Connection structure for control and protection switch
By combining the conductive column with the rotating mechanism and the electromagnet design, the wear problem of the control and protection switch connection structure during the opening and closing process is solved, realizing rapid power-off protection and improving service life and contact stability.
Patent Information
- Application Number
- CN202422597673.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-10-28
AI Technical Summary
The connection structure of the existing control and protection switch is easily worn during the opening and closing process, resulting in a shortened service life and unstable contact, which affects the use effect of the device.
The design combines a conductive column with a rotating mechanism and an electromagnet. The electromagnet restricts the position of the conductive column, ensuring that the conductive column rotates quickly in reverse under short circuit or abnormal conditions. Combined with a torsion spring, the electromagnet and the spring are separated to achieve rapid power-off protection.
It improves the service life and contact stability of the device, reduces component wear, and enhances the safety and reliability of the circuit.
Smart Images
Figure CN223450809U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to control and protection switch technical field especially relates to a connection structure for control and protection switch. BACKGROUND
[0002] Control and protection switch is the device commonly used in electrical equipment, mainly used for controlling and protecting circuit, control and protection switch can realize the on-off control to circuit, can be used for starting and stopping motor, lighting lamps and lanterns and other equipment, these switches usually have overload protection, short circuit protection and leakage protection and other functions, when the circuit appears abnormal condition, the switch can automatically cut off the power supply, prevents the equipment damage and personal injury, through reasonable selection and use control and protection switch, can effectively improve the safety and reliability of electrical system.
[0003] But some control and protection switch inside setting connection structure, in the opening and closing process rubs easily, after long time use, can cause the wear and tear to the metal surface to the life, will influence use, at the same time, also can cause in the use process to be not stable enough contact, further can reduce the use effect of the device, therefore needs to solve above problem. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in prior art, and proposes a connection structure for control and protection switch.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A connection structure for control and protection switch, including the shell, the shell bottom is installed with the base, both ends of the base are provided with the bush, the shell surface one side is provided with the cavity, the cavity inside is installed with first connecting box and second connecting box, first connecting box and second connecting box are electrically connected with the bush of both ends of base respectively, the cavity inside is rotatably connected with the electrically conductive column, the cavity inside is equipped with the rotation mechanism of rotation electrically conductive column, the electrically conductive column and first connecting box and second connecting box are connected with each other, the electrically conductive column surface is equipped with the connecting mechanism of connecting first connecting box and second connecting box, the shell surface is installed with the side plate, through the setting of electromagnet, can limit the position of second turntable and electrically conductive column when using, to facilitate the electric conduction in the device when using, when triggering short circuit or other conditions, make second turntable and electrically conductive column reverse rotation fast, to play the protection effect of the device.
[0007] As a further solution of the present invention, the rotating mechanism includes a turntable, a circular groove is provided inside the cavity, the circular groove is provided between the first connecting box and the second connecting box, the top of the circular groove is connected to the outside of the shell, the turntable is rotatably connected to the inside of the circular groove, the turntable surface is fixedly connected to a lever, the top of the shell is fixedly connected to the connecting box, the lever is inserted into the inside of the connecting box, the lever is rotatably connected to the outer surface of the shell, one side of the circular groove is fixedly connected to the first fixing post, the turntable is sleeved on the outer surface of the first fixing post, the turntable surface is provided with an arc groove, a plurality of first gear blocks are fixedly connected inside the arc groove, the second turntable is rotatably connected inside the cavity, the second turntable is provided at the bottom of the turntable, the second turntable surface is fixedly connected to a plurality of second gear blocks, the plurality of second gear blocks are meshed with the plurality of first gear blocks, the conductive post is fixedly connected to the surface of the second turntable for limiting the rotation of the lever, and at the same time, under the connection between the turntable and the second turntable, the conductive post will rotate.
[0008] As a further solution of the present invention, the connecting mechanism includes a torsion spring, a second fixed column is fixedly connected to one side of the interior of the cavity, the second turntable is sleeved on the surface of the second fixed column, and both sides of the surface of the second turntable are rotatably connected to limit rings, and the two limit rings are sleeved on the surface of the second fixed column, the torsion spring is sleeved on the surface of the second fixed column, one end of the torsion spring is fixedly connected to one side of the interior of the cavity, and the other end of the torsion spring is fixedly connected to one side of the second turntable surface, the surface of the second connecting box is fixedly connected with a wire, the wire is electrically fused with the interior of the second connecting box, one end of the wire is fixedly connected to the surface of the conductive column, the surface of the first connecting box is fixedly connected with an electromagnet and a connecting column, one end of the connecting column is installed with a spring clip, the electromagnet and the spring clip are both in contact with the surface of the conductive column, and the electromagnet and the spring clip are both electrically connected to the interior of the first connecting box, and are used to connect the first connecting box and the second connecting box through the conductive column.
[0009] The beneficial effects of the utility model are:
[0010] 1. When in use, the position of the second turntable and the conductive column can be restricted by the setting of the electromagnet, so as to facilitate the conduction of electricity inside the device during use. At the same time, when a short circuit or other situation is triggered, the second turntable and the conductive column can be rotated in the opposite direction quickly, thereby protecting the device.
[0011] 2. When a short circuit occurs in an electrical appliance, the power will be cut off through the protective function inside the first connection box, and the power supply to the electromagnet will also be stopped. Under the action of the torsion spring, the conductive column is separated from the electromagnet and the shrapnel, thereby playing a protective role. This method will reduce the friction of the parts inside the device and increase the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 A front view of a connection structure for controlling and protecting a switch is provided in the utility model;
[0013] Figure 2 A shell internal structure schematic view of a connection structure for controlling and protecting a switch is provided in the utility model;
[0014] Figure 3 An internal structure schematic view of a connection structure for controlling and protecting a switch is provided in the utility model;
[0015] Figure 4 A partial structure schematic view of a connection structure for controlling and protecting a switch is provided in the utility model.
[0016] In the drawing: 1, base; 11, jack; 2, shell; 21, side plate; 22, connecting box; 23, round groove; 24, first fixed column; 25, second fixed column; 26, limiting ring; 3, lever; 31, rotating disc; 32, first tooth block; 4, first connecting box; 41, electromagnet; 42, connecting column; 43, elastic sheet; 5, second connecting box; 6, torsional spring; 7, second rotating disc; 71, conductive column; 72, second tooth block; 73, wire. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0018] Referring to Figures 1-4 A connection structure for controlling and protecting a switch, comprising a shell 2, the shell 2 bottom is provided with a base 1, the base 1 both ends are provided with jack 11, the shell 2 surface one side is provided with cavity, the cavity inside is provided with first connecting box 4 and second connecting box 5, first connecting box 4 and second connecting box 5 are electrically connected with the jack 11 of base 1 both ends respectively, the cavity inside is rotatably connected with conductive column 71, the cavity inside is provided with rotating mechanism of conductive column 71, and the conductive column 71 is connected with first connecting box 4 and second connecting box 5, the surface of conductive column 71 is provided with connecting mechanism of first connecting box 4 and second connecting box 5, the surface of shell 2 is provided with side plate 21, through the setting of electromagnet 41, the position of second rotating disc 7 and conductive column 71 can be limited when using, so that the inside of the device is facilitated to conduct electricity when using, and the second rotating disc 7 and conductive column 71 are made to reverse rotation quickly when triggering short circuit or other conditions, so that the device plays a protective role.
[0019] Referring to Figure 2 、 Figure 3 and Figure 4In one preferred embodiment, the rotating mechanism comprises a rotating disc 31, a circular groove 23 is arranged inside the cavity, the circular groove 23 is arranged between the first connecting box 4 and the second connecting box 5, the top of the circular groove 23 is in communication with the outside of the shell 2, the rotating disc 31 is rotatably connected inside the circular groove 23, the surface of the rotating disc 31 is fixedly connected with a lever 3, the top of the shell 2 is fixedly connected with a connecting box 22, the lever 3 penetrates into the connecting box 22, the lever 3 is rotatably connected to the outer surface of the shell 2, the lever 3 is rotatably connected to the outer surface of the shell 2, a first fixed column 24 is fixedly connected to one side inside the circular groove 23, the rotating disc 31 is sleeved on the outer surface of the first fixed column 24, an arc-shaped groove is formed on the surface of the rotating disc 31, a plurality of first tooth blocks 32 are fixedly connected inside the arc-shaped groove, a second rotating disc 7 is rotatably connected inside the cavity, the second rotating disc 7 is arranged at the bottom of the rotating disc 31, a plurality of second tooth blocks 72 are fixedly connected to the surface of the second rotating disc 7, the plurality of second tooth blocks 72 are engaged with the plurality of first tooth blocks 32, and a conductive column 71 is fixedly connected to the surface of the second rotating disc 7, for limiting the rotation of the lever 3, and at the same time, under the connection of the rotating disc 31 and the second rotating disc 7, the conductive column 71 is rotated.
[0020] With reference to Figure 2 and Figure 3 In one preferred embodiment, the connecting mechanism comprises a torsional spring 6, a second fixed column 25 is fixedly connected to one side inside the cavity, the second rotating disc 7 is sleeved on the surface of the second fixed column 25, limiting rings 26 are rotatably connected to the two sides of the surface of the second rotating disc 7, the two limiting rings 26 are sleeved on the surface of the second fixed column 25, the torsional spring 6 is sleeved on the surface of the second fixed column 25, one end of the torsional spring 6 is fixedly connected to one side inside the cavity, the other end of the torsional spring 6 is fixedly connected to one side of the surface of the second rotating disc 7, a wire 73 is fixedly connected to the surface of the second connecting box 5, the wire 73 is electrically connected with the inside of the second connecting box 5, one end of the wire 73 is fixedly connected to the surface of the conductive column 71, an electromagnet 41 and a connecting column 42 are fixedly connected to the surface of the first connecting box 4, a spring sheet 43 is mounted at one end of the connecting column 42, the electromagnet 41 and the spring sheet 43 are in close contact with the surface of the conductive column 71, the electromagnet 41 and the spring sheet 43 are electrically connected with the inside of the first connecting box 4, for connecting the first connecting box 4 and the second connecting box 5 through the conductive column 71.
[0021] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects: in actual use, the setting of the electromagnet 41 can limit the position of the second turntable 7 and the conductive column 71 during use, thereby facilitating the conduction of the inside of the device during use, and the second turntable 7 and the conductive column 71 are quickly reversed during triggering of short circuit or other conditions, thereby playing a protective role on the device, when in use, the jacks 11 at both ends of the base 1 are respectively connected to the main circuit and the electric appliance, during use, the dial lever 3 is pushed upward, which will drive the turntable 31 to rotate, under the mutual meshing of the plurality of first tooth blocks 32 and the second tooth blocks 72, the second turntable 7 will rotate, and the conductive column 71 will also rotate, so that the conductive column 71 is in contact with the electromagnet 41 and the elastic sheet 43, at this time, the elastic sheet 43 will make the internal circuit of the first connecting box 4 and the electric appliance connected to one end of the connecting base 1 conduct electricity, and the internal circuit of the first connecting box 4 will also drive the electromagnet 41 to work, so that the electromagnet 41 adsorbs the adsorbable metal arranged on the surface of the conductive column 71, thereby limiting the position of the conductive column 71, when the electric appliance produces short circuit, the protection function of the internal circuit of the first connecting box 4 will cut off the power supply, and the electromagnet 41 will also stop power supply, under the action of the torsional spring 6, the conductive column 71 is separated from the electromagnet 41 and the elastic sheet 43, thereby playing a protective role, and further improving the use effect of the device.
[0022] For the convenience of description, spatial relative terms such as "above", "upper", "top", "up", etc. can be used herein to describe the spatial relationship between one device or feature and other devices or features as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawings. For example, if the device in the drawing is inverted, the device described as "above" or "on" other devices or structures will be positioned "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below" orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein are interpreted accordingly.
[0023] It should be noted that the terms used herein are only for the purpose of describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should also be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.
[0024] It should be noted that the terms "first", "second", and the like, used in the description and in the claims of the present application as well as above-mentioned figures are intended to distinguish similar objects and not to imply a special order or sequence. It is to be understood that data thus designated can be interchanged, where appropriate, so that the embodiments of the present application described herein can be carried out in other than the order shown or described herein. Furthermore, the terms "comprising", "having", and any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product, or apparatus that comprises a list of steps or units not necessarily limited to those explicitly listed, but can include other steps or units not expressly listed or inherent to such process, method, product, or apparatus.
[0025] The preferred embodiments of the present application are described above only, and are not intended to limit the present application. The present application can be variously changed and modified by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of the present application.
Claims
1. A connection structure for controlling and protecting a switch, comprising a housing (2), characterized in that: A base (1) is installed at the bottom of the shell (2), and sockets (11) are provided at both ends of the base (1). A cavity is provided on one side of the surface of the shell (2), and a first connection box (4) and a second connection box (5) are installed inside the cavity. The first connection box (4) and the second connection box (5) are electrically connected to the sockets (11) at both ends of the base (1), respectively. A conductive column (71) is rotatably connected inside the cavity, and a rotating mechanism for rotating the conductive column (71) is provided inside the cavity. The conductive column (71) is connected to the first connection box (4) and the second connection box (5) with each other. A connecting mechanism for connecting the first connection box (4) and the second connection box (5) is provided on the surface of the conductive column (71). A side plate (21) is installed on the surface of the shell (2).
2. The connection structure for controlling and protecting a switch according to claim 1, characterized in that: The rotating mechanism comprises a rotating disk (31), a circular groove (23) is provided inside the cavity, the circular groove (23) is provided between the first connecting box (4) and the second connecting box (5), the top of the circular groove (23) is communicated with the outside of the shell (2), the rotating disk (31) is rotatably connected to the inside of the circular groove (23), a shifting rod (3) is fixedly connected to the surface of the rotating disk (31), a connecting box (22) is fixedly connected to the top of the shell (2), the shifting rod (3) is inserted into the inside of the connecting box (22), and the shifting rod (3) is rotatably connected to the outer surface of the shell (2).
3. The connection structure for controlling and protecting a switch according to claim 2, characterized in that: A first fixed column (24) is fixedly connected to one side of the inner portion of the circular groove (23); the rotating disk (31) is sleeved on the outer surface of the first fixed column (24); an arc-shaped groove is formed on the surface of the rotating disk (31); and a plurality of first tooth blocks (32) are fixedly connected to the inner portion of the arc-shaped groove.
4. The connection structure for controlling and protecting a switch according to claim 3, characterized in that: A second turntable (7) is rotatably connected inside the cavity. The second turntable (7) is arranged at the bottom of the turntable (31). A plurality of second tooth blocks (72) are fixedly connected to the surface of the second turntable (7). The plurality of second tooth blocks (72) are meshed with the plurality of first tooth blocks (32). The conductive column (71) is fixedly connected to the surface of the second turntable (7).
5. The connection structure for controlling and protecting a switch according to claim 4, characterized in that: The connecting mechanism includes a torsion spring (6), a second fixed column (25) is fixedly connected to one side of the interior of the cavity, the second turntable (7) is sleeved on the surface of the second fixed column (25), both sides of the surface of the second turntable (7) are rotatably connected to limit rings (26), the two limit rings (26) are sleeved on the surface of the second fixed column (25), the torsion spring (6) is sleeved on the surface of the second fixed column (25), one end of the torsion spring (6) is fixedly connected to one side of the interior of the cavity, and the other end of the torsion spring (6) is fixedly connected to one side of the surface of the second turntable (7).
6. The connection structure for controlling and protecting a switch according to claim 5, characterized in that: A wire (73) is fixedly connected to the surface of the second connection box (5), and the wire (73) is electrically connected to the interior of the second connection box (5). One end of the wire (73) is fixedly connected to the surface of the conductive column (71). An electromagnet (41) and a connection column (42) are fixedly connected to the surface of the first connection box (4). A spring (43) is installed at one end of the connection column (42). The electromagnet (41) and the spring (43) are both in contact with the surface of the conductive column (71), and the electromagnet (41) and the spring (43) are both electrically connected to the interior of the first connection box (4).