Plug-in electronic normally closed solid state relay with LED indication

Abstract

The application discloses a plug-in electronic normally closed solid-state relay with LED indication and relates to the technical field of solid-state relays, which comprises a protection assembly for protecting the plug-in electronic normally closed solid-state relay; and a first movable plate located at one end of the protection assembly and movably connected with the protection assembly. The application has the beneficial effect that since the second clamping tooth on the dialing shaft is in meshing connection with the third clamping tooth on the left side of the first movable hole in the first linkage disc, a counterclockwise dialing force can be generated on the first linkage disc, the linkage disc is rotated clockwise under the action of the rotating rod, the first linkage disc, the first sleeve, the first sleeve rod and the first movable plate are upwardly deviated, the first movable plate is rotated clockwise with the rotating column as the base point, the gap covered by the bottom of the first movable plate is directly exposed, some slight open-circuit or poor contact conditions can be manually adjusted, and simple maintenance can be realized without completely disassembling the solid-state relay.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of solid-state relays, and particularly relates to a plug-in electronic normally closed solid-state relay with LED indication. BACKGROUND

[0002] A relay is an electric control device, is when the input (excitation) changes to meet the specified requirements, in the electrical output circuit makes the controlled quantity occurs predetermined step change of an electric appliance, it has the interaction between the control system (also called input circuit) and the controlled system (also called output circuit), usually applied to the control circuit of automation, it actually is used to control the large current operation of small current, so it plays the role of automatic regulation, safety protection, conversion circuit in the circuit.

[0003] In order to display the working state, a plug-in electronic normally closed solid-state relay with LED indication (for details, see patent number: CN202020342530.5) is provided, which comprises a T-shaped fixing seat, a positioning knob and a power control end socket, the outer sides of the T-shaped fixing seat are provided with positioning fixing holes, and the inside of the T-shaped fixing seat is connected with a fixed shaft, the outer side of the T-shaped fixing seat is provided with a positioning knob, the upper end of the fixed shaft is fixed with a plug-in needle seat, and the outer sides of the plug-in needle seat are provided with sliding rails, the other side of the sliding rail is connected with a sliding block, and the other side of the sliding block is fixed with a transparent protective shell, the outer sides of the upper end of the plug-in needle seat are provided with terminal posts, one side of the inside of the upper end of the plug-in needle seat is provided with an input socket, the other side of the inside of the plug-in needle seat is provided with a power control end socket, the inner sides of the input socket are fixed with conductive clamps, one side of the outer side of the conductive clamp is provided with an insulating layer, and the other side of the insulating layer is fixed with a spring.

[0004] However, the existing plug-in electronic normally closed solid-state relay with LED indication needs to be repaired, generally a new solid-state relay is directly replaced, the original solid-state relay will be scrapped, thereby increasing the cost to a certain extent, if the internal contact of the solid-state relay is poor, the solid-state relay cannot be continuously used, the service life of the solid-state relay is reduced, and the use rate is reduced. SUMMARY

[0005] The present application aims to solve the problem that the existing plug-in electronic normally closed solid-state relay with LED indication needs to be repaired, generally a new solid-state relay is directly replaced, the original solid-state relay will be scrapped, thereby increasing the cost to a certain extent, if the internal contact of the solid-state relay is poor, the solid-state relay cannot be continuously used, the service life of the solid-state relay is reduced, and the use rate is reduced, and provides a plug-in electronic normally closed solid-state relay with LED indication.

[0006] To achieve the above object, the application provides the following technical scheme: a plug-in electronic normally closed solid-state relay with LED indication, comprising:

[0007] A protection assembly is arranged for protecting the plug-in electronic normally closed solid-state relay.

[0008] A first movable plate is arranged at one end of the protection assembly and movably connected with the protection assembly.

[0009] A second movable plate is arranged below the first movable plate and movably connected with the protection assembly.

[0010] A dialing assembly is arranged at one end of the protection assembly and rotatably connected with the protection assembly.

[0011] A first linkage assembly is arranged outside the dialing assembly and rotatably connected with one end of the protection assembly.

[0012] A second linkage assembly is arranged outside the dialing assembly and at one end of the first linkage assembly away from the protection assembly.

[0013] The dialing assembly comprises a dialing shaft, a plurality of groups of first clamping teeth are uniformly arranged at one side of the dialing shaft away from one end of the protection assembly, a plurality of groups of second clamping teeth are uniformly arranged at one side of the dialing shaft away from one end close to the protection assembly, the dialing shaft is rotatably connected with the protection assembly through a bearing seat, a cross recess is arranged at one end of the dialing shaft away from the protection assembly, the first linkage assembly comprises a first linkage disc, a first movable hole extending to the other end of the first linkage disc is arranged at one side of one end of the first linkage disc, a first sleeve is arranged at one side of the first linkage disc close to the first movable plate, a first sleeve rod is arranged at one side of the first sleeve away from the first linkage disc, and third clamping teeth matched with the second clamping teeth are arranged at both sides inside the first movable hole.

[0014] As a further scheme of the application, the protection assembly comprises a protection cover, plug-in ports are arranged at the top and bottom of both sides of the protection cover, a notch is arranged at one end of the protection cover, an LED lamp bead is mounted at the top of the protection cover, and a rotating rod is rotatably connected with one side of one end of the protection cover close to the dialing shaft.

[0015] As a further scheme of the application, the second linkage assembly comprises a second linkage disc, a second movable hole is arranged at one side of one end of the second linkage disc, a plurality of groups of fourth clamping teeth matched with the first clamping teeth are uniformly arranged at both sides inside the second movable hole, a second sleeve is arranged at one side of the second linkage disc, and a second sleeve rod extending to one side inside the second sleeve is arranged at one side of the second sleeve.

[0016] As a further further scheme of the present application: the first linkage disc and the second linkage disc are provided with a butt joint hole at the middle position of one end, and the first linkage disc and the second linkage disc are rotatably connected with the rotating rod through the butt joint hole.

[0017] As a further further scheme of the present application: the first sleeve rod and the second sleeve rod are provided with a rotating shaft at one end away from the first linkage disc, and the first sleeve rod and the second sleeve rod are rotatably connected with one end of the first movable plate and the second movable plate through the rotating shaft respectively.

[0018] As a further further scheme of the present application: the first sleeve and the second sleeve are provided with an elastic member inside.

[0019] As a further further scheme of the present application: the top and the bottom of one end of the protective cover are provided with a rotating column, and the first movable plate and the second movable plate are rotatably connected with the protective cover through the rotating column.

[0020] Compared with the prior art, the present application has the following beneficial effects:

[0021] 1. By setting the protection assembly, the first movable plate, the second movable plate, the rotating column, the pushing assembly, the first linkage assembly and the second linkage assembly, when in use, the cross screwdriver and the cross groove can be directly connected, and then the cross screwdriver is counterclockwise rotated, so that the pushing shaft is counterclockwise rotated with the cross screwdriver, and because the first tooth on the outside of the pushing shaft is engaged with the fourth tooth inside the second movable hole on the second linkage disc, the second linkage disc is counterclockwise rotated with the rotating rod as the base point, and a downward pushing force is generated on the second sleeve, the second sleeve rod and the second movable plate, so that the second movable plate is clockwise rotated with the rotating column as the base point, and the gap covered by the second movable plate is slowly exposed, and because the second tooth on the pushing shaft is engaged with the third tooth inside the first movable hole on the first linkage disc, a counterclockwise pushing force is generated on the first linkage disc, so that the first linkage disc is clockwise rotated with the rotating rod, and the first sleeve, the first sleeve rod and the first movable plate are upwardly deviated, until the first movable plate is clockwise rotated with the rotating column as the base point, and the gap covered by the bottom of the first movable plate is directly exposed, so that the internal parts of the solid state relay are directly exposed to the air, some slight open circuit or poor contact conditions can be manually adjusted, the solid state relay can be simply repaired without being completely disassembled, the cost is reduced to a certain extent, the service life of the solid state relay is prolonged, and the utilization rate is improved.

[0022] 2、through the setting of the first tooth, the second tooth, the third tooth and the fourth tooth, when the first tooth outside the dialing shaft and the fourth tooth inside the second movable hole of the second linkage plate on the right side are engaged and connected, or the second tooth outside the dialing shaft and the third tooth inside the first movable hole of the first linkage plate on the right side are engaged and connected, the rotating direction of the second linkage plate and the first linkage plate under stress is consistent with the rotating direction of the dialing shaft, on the contrary, if the first tooth outside the dialing shaft and the fourth tooth inside the second movable hole of the second linkage plate on the left side are engaged and connected, or the second tooth outside the dialing shaft and the third tooth inside the first movable hole of the first linkage plate on the left side are engaged and connected, the rotating direction of the second linkage plate and the first linkage plate under stress is opposite to the rotating direction of the dialing shaft, so that the dialing shaft can be rotated in the same direction, that is, the second linkage plate and the first linkage plate can be dialled downward or upward at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the application;

[0024] Figure 2 It is a structural schematic diagram of the application;

[0025] Figure 3 It is a partial perspective view of the application;

[0026] Figure 4 It is a structural schematic diagram of the dialing assembly of the application;

[0027] Figure 5 It is an enlarged view of A in the application. Figure 1

[0028] In the figure: 1, protection assembly; 101, protection cover; 102, LED lamp bead; 103, notch; 104, plug-in port; 105, rotating rod; 2, first movable plate; 3, second movable plate; 4, rotating column; 5, dialing assembly; 501, dialing shaft; 502, first tooth; 503, second tooth; 504, bearing seat; 505, cross recess; 6, first linkage assembly; 601, first linkage plate; 602, first movable hole; 603, third tooth; 604, first sleeve; 605, first sleeve rod; 7, second linkage assembly; 701, second linkage plate; 702, second movable hole; 703, fourth tooth; 704, second sleeve; 705, second sleeve rod. DETAILED DESCRIPTION

[0029] ​With reference to the drawings and embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0030] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply 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 on the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; 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 communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The embodiments of the present application will be described below according to the overall structure of the present application.

[0031] Please refer to Figures 1 to 5 In the embodiments of the present application, a plug-in electronic normally closed solid-state relay with LED indication comprises:

[0032] The protection assembly 1 is used for protecting the plug-in electronic normally closed solid-state relay;

[0033] The first movable plate 2 is located at one end of the protection assembly 1 and movably connected thereto;

[0034] The second movable plate 3 is located below the first movable plate 2 and movably connected to the protection assembly 1;

[0035] The dialing assembly 5 is located at one end of the protection assembly 1 and rotatably connected thereto;

[0036] The first linkage assembly 6 is located outside the dialing assembly 5 and rotatably connected to one end of the protection assembly 1;

[0037] The second linkage assembly 7 is located outside the dialing assembly 5 and located at the end of the first linkage assembly 6 away from the protection assembly 1;

[0038] The toggle assembly 5 comprises a toggle shaft 501, a plurality of first clamping teeth 502 are uniformly arranged on one side of the toggle shaft 501 away from one end of the protection assembly 1, a plurality of second clamping teeth 503 are uniformly arranged on one side of the toggle shaft 501 away from the other end close to the protection assembly 1, the toggle shaft 501 is rotationally connected with the protection assembly 1 through a bearing seat 504, a cross recess 505 is arranged on one end of the toggle shaft 501 away from the protection assembly 1, the first linkage assembly 6 comprises a first linkage disc 601, a first movable hole 602 extending to the other end is arranged on one side of one end of the first linkage disc 601, a first sleeve 604 is arranged on one side of the first linkage disc 601 close to the first movable plate 2, a first sleeve rod 605 is arranged on one side of the first sleeve 604 away from the first linkage disc 601, and the two sides inside the first movable hole 602 are provided with third clamping teeth 603 matched with the second clamping teeth 503.

[0039] When the first clamping teeth 502 on the outer side of the toggle shaft 501 are engaged with the fourth clamping teeth 703 on the right side inside the second movable hole 702 of the second linkage disc 701, or the second clamping teeth 503 on the outer side of the toggle shaft 501 are engaged with the third clamping teeth 603 on the right side inside the first movable hole 602 of the first linkage disc 601, the rotation directions of the second linkage disc 701 and the first linkage disc 601 under stress are consistent with the rotation direction of the toggle shaft 501, otherwise, when the first clamping teeth 502 on the outer side of the toggle shaft 501 are engaged with the fourth clamping teeth 703 on the left side inside the second movable hole 702 of the second linkage disc 701, or the second clamping teeth 503 on the outer side of the toggle shaft 501 are engaged with the third clamping teeth 603 on the left side inside the first movable hole 602 of the first linkage disc 601, the rotation directions of the second linkage disc 701 and the first linkage disc 601 under stress are opposite to the rotation direction of the toggle shaft 501, so that the toggle shaft 501 can be rotated in the same direction, and the second linkage disc 701 and the first linkage disc 601 can be simultaneously toggled downward or upward.

[0040] Please refer to Figure 1 and 5 , the protection assembly 1 comprises a protection cover 101, plug-in ports 104 are arranged on the top and the bottom of both sides of the protection cover 101, a notch 103 is arranged on one end of the protection cover 101, LED lamp beads 102 are mounted on the top of the protection cover 101, and a rotating rod 105 is rotationally connected on one side of one end of the protection cover 101 close to the toggle shaft 501.

[0041] Please refer to Figure 1 、 3And 5, the second linkage assembly 7 comprises a second linkage disc 701, one side of one end of the second linkage disc 701 is provided with a second movable hole 702, both sides of the inside of the second movable hole 702 are uniformly provided with a plurality of fourth clamping teeth 703 matched with the first clamping teeth 502, one side of the second linkage disc 701 is provided with a second sleeve 704, one side of the second sleeve 704 is provided with a second sleeve rod 705 extending to one side of the inside thereof.

[0042] Please refer to Figure 1 、 2 , 3 and 5, the middle positions of one end of the first linkage disc 601 and the second linkage disc 701 are provided with butt joint holes, and the first linkage disc 601 and the second linkage disc 701 are rotatably connected with the rotating rod 105 through the butt joint holes.

[0043] Please refer to Figure 1 、 2 and 3, one side of one end of the first sleeve rod 605 and the second sleeve rod 705 away from the first linkage disc 601 is provided with a rotating shaft, and the first sleeve rod 605 and the second sleeve rod 705 are rotatably connected with one end of the first movable plate 2 and the second movable plate 3 respectively through the rotating shaft.

[0044] Please refer to Figure 1 、 2 and 3, the inside of the first sleeve 604 and the second sleeve 704 is provided with an elastic member, when the first movable plate 2 and the second movable plate 3 are forced to rotate, the first sleeve 604, the first sleeve rod 605, the second sleeve 704 and the second sleeve rod 705 can be freely expanded and contracted according to the movement of the first movable plate 2 and the second movable plate 3, so that when the first sleeve 604, the first sleeve rod 605, the second sleeve 704 and the second sleeve rod 705 are forced to move, they will always be connected between the first movable plate 2 and the second movable plate 3.

[0045] Please refer to Figure 1 , the top and bottom of one end of the protective cover 101 are provided with rotating columns 4, the first movable plate 2 and the second movable plate 3 are rotatably connected with the protective cover 101 through the rotating columns 4, and the rotating columns 4 are used to better rotatably connect the first movable plate 2 and the second movable plate 3 with the protective cover 101.

[0046] The working principle of the present application is that: when in use, the cross screwdriver can be directly connected with the cross groove 505, and then the cross screwdriver is rotated counterclockwise, so that the cross screwdriver carries the driving shaft 501 to rotate counterclockwise. Since the first clamping tooth 502 on the outside of the driving shaft 501 is engaged with the fourth clamping tooth 703 on the right side of the second movable hole 702 in the second linkage disc 701, the driving shaft 501 in rotation carries the second linkage disc 701 to rotate counterclockwise with the rotating rod 105 as the base point, and generates a downward driving force on the second sleeve 704, the second sleeve rod 705 and the second movable plate 3, so that the second movable plate 3 rotates clockwise with the rotating column 4 as the base point, and the gap 103 covered by the second movable plate 3 is slowly exposed. At the same time, since the second clamping tooth 503 on the driving shaft 501 is engaged with the third clamping tooth 603 on the left side of the first movable hole 602 in the first linkage disc 601, the first linkage disc 601 generates a counterclockwise driving force, so that the linkage disc rotates clockwise under the action of the rotating rod 105, thereby the first linkage disc 601 carries the first sleeve 604, the first sleeve rod 605 and the first movable plate 2 to upwardly deviate, until the first movable plate 2 rotates clockwise with the rotating column 4 as the base point, directly exposing the gap 103 covered by the bottom of the first movable plate 2, so that the internal parts of the solid-state relay are directly exposed to the air, thereby manually adjusting some slight open circuit or poor contact conditions, reducing the cost to a certain extent, prolonging the service life of the solid-state relay, improving the utilization rate, and when the first clamping tooth 502 on the outside of the driving shaft 501 is engaged with the fourth clamping tooth 703 on the right side of the second movable hole 702 in the second linkage disc 701, or the second clamping tooth 503 on the outside of the driving shaft 501 is engaged with the third clamping tooth 603 on the right side of the first movable hole 602 in the first linkage disc 601, the rotating direction of the second linkage disc 701 and the first linkage disc 601 under stress is consistent with the rotating direction of the driving shaft 501, otherwise, if the first clamping tooth 502 on the outside of the driving shaft 501 is engaged with the fourth clamping tooth 703 on the left side of the second movable hole 702 in the second linkage disc 701, or the second clamping tooth 503 on the outside of the driving shaft 501 is engaged with the third clamping tooth 603 on the left side of the first movable hole 602 in the first linkage disc 601, the rotating direction of the second linkage disc 701 and the first linkage disc 601 under stress is opposite to the rotating direction of the driving shaft 501, so that the driving shaft 501 is rotated in the same direction, and the second linkage disc 701 and the first linkage disc 601 are simultaneously downwardly or upwardly driven.

[0047] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical solution and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A plug-in electronic normally closed solid state relay with LED indication, comprising: a protection assembly (1) for protecting the plug-in electronic normally closed solid state relay; a first movable plate (2) located at one end of the protection assembly (1) and movably connected therewith; a second movable plate (3) located below the first movable plate (2) and movably connected with the protection assembly (1); a dial assembly (5) located at one end of the protection assembly (1) and rotatably connected therewith; a first linkage assembly (6) located outside the dial assembly (5) and rotatably connected with one end of the protection assembly (1); a second linkage assembly (7) located outside the dial assembly (5) and located at one end of the first linkage assembly (6) away from the protection assembly (1); characterized in that the dial assembly (5) comprises a dial shaft (501), a plurality of first clamping teeth (502) are uniformly arranged on one side of the dial shaft (501) away from one end of the protection assembly (1), a plurality of second clamping teeth (503) are uniformly arranged on one side of the dial shaft (501) away from one end close to the protection assembly (1), the dial shaft (501) is rotatably connected with the protection assembly (1) through a bearing seat (504), a cross recess (505) is arranged on one end of the dial shaft (501) away from the protection assembly (1), the first linkage assembly (6) comprises a first linkage disc (601), a first movable hole (602) extending to the other end thereof is arranged on one side of one end of the first linkage disc (601), a first sleeve (604) is arranged on one side of the first linkage disc (601) close to the first movable plate (2), a first sleeve rod (605) is arranged on one side of the first sleeve (604) away from the first linkage disc (601), third clamping teeth (603) matched with the second clamping teeth (503) are arranged on both sides inside the first movable hole (602), the second linkage assembly (7) comprises a second linkage disc (701), a second movable hole (702) is arranged on one side of one end of the second linkage disc (701), a plurality of fourth clamping teeth (703) matched with the first clamping teeth (502) are uniformly arranged on both sides inside the second movable hole (702), a second sleeve (704) is arranged on one side of the second linkage disc (701), a second sleeve rod (705) extending to one side inside thereof is arranged on one side of the second sleeve (704), a rotating shaft is arranged on one end of one side of the first sleeve rod (605) and the second sleeve rod (705) away from the first linkage disc (601), and the first sleeve rod (605) and the second sleeve rod (705) are rotatably connected with one end of the first movable plate (2) and the second movable plate (3) respectively through the rotating shaft.

2. A plug-in electronic normally closed solid state relay with LED indication as claimed in claim 1, wherein, The protection assembly (1) comprises a protection cover (101), both sides of the protection cover (101) are provided with plug-in ports (104) at the top and the bottom, one end of the protection cover (101) is provided with a notch (103), the top of the protection cover (101) is provided with LED lamp beads (102), and one end of the protection cover (101) is rotationally connected with a rotating rod (105) near one side of a rotating shaft (501).

3. A plug-in, normally closed, solid state relay with LED indication as defined in claim 1, wherein, The first linkage disc (601) and the second linkage disc (701) are rotationally connected with the rotating rod (105) through the butt joint holes in the middle positions of one end of the first linkage disc (601) and the second linkage disc (701).

4. A plug-in, normally closed, solid state relay with LED indication as defined in claim 1, wherein, The first sleeve (604) and the second sleeve (704) are internally provided with elastic members.

5. A plug-in, normally closed, solid state relay with LED indication as defined in claim 2, wherein, The top and the bottom of one end of the protection cover (101) are provided with rotating columns (4), and the first movable plate (2) and the second movable plate (3) are rotationally connected with the protection cover (101) through the rotating columns (4).

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