Switching mechanism and electronic equipment

Abstract

The invention discloses a switching mechanism and electronic equipment, and belongs to the field of electronic devices. The switching mechanism comprises a shell, a static contact piece assembly, a sliding piece and a movable contact piece assembly. The static contact piece assembly is located in the shell and comprises a first static contact piece and a second static contact piece, and the first static contact piece and the second static contact piece are spaced from each other; the sliding piece is located outside the shell and can move relative to the shell. The movable contact piece assembly comprises a swing piece and an elastic piece, the matching end of the swing piece abuts against the shell to serve as a swing foundation of the swing piece, the power connection end of the swing piece is located between the first static contact piece and the second static contact piece, the first end of the elastic piece is connected with the part, close to the matching end, of the swing piece, and the second end of the elastic piece is connected with the sliding piece. According to the invention, the problem of arc ablation can be effectively avoided.

Description

Technical Field

[0001] This disclosure pertains to the field of electronic devices, and particularly relates to a switching mechanism and an electronic device. Background Technology

[0002] A switching mechanism is an electronic device used to control the on / off state of a circuit, and it is commonly found in various electronic devices.

[0003] In related technologies, a switching mechanism includes an operating element, a moving contact, and a stationary contact. The mounting end of the moving contact is connected to the operating element, and the energized end of the moving contact is opposite to the stationary contact. By driving the moving contact to swing through the operating element, the energized end of the moving contact comes into contact with or separates from the stationary contact, thereby connecting or disconnecting the circuit.

[0004] However, during the contact and separation process between the moving and stationary contacts, arcing may occur between them, leading to arc erosion and severely affecting the service life of the switching mechanism. Summary of the Invention

[0005] This disclosure provides a switching mechanism and electronic device that can effectively avoid the problem of arc erosion. The technical solution is as follows:

[0006] In a first aspect, embodiments of this disclosure provide a switching mechanism, including a housing, a stationary contact assembly, a slider, and a moving contact assembly;

[0007] The stationary contact assembly is located inside the housing, and the stationary contact assembly includes a first stationary contact and a second stationary contact, which are spaced apart from each other.

[0008] The slider is located outside the housing and is movable relative to the housing;

[0009] The moving contact assembly includes a swing plate and an elastic element. The mating end of the swing plate abuts against the housing to serve as the basis for the swing of the swing plate. The electrical terminal of the swing plate is located between the first stationary contact plate and the second stationary contact plate. The first end of the elastic element is connected to the portion of the swing plate near the mating end, and the second end of the elastic element is connected to the sliding element.

[0010] The moving contact assembly is configured such that, driven by the slider, the elastic element accumulates elastic potential energy, and when the slider moves to a critical position, the elastic element releases the elastic potential energy and drives the electrical terminal of the pendulum to move from one of the first and second stationary contacts to the other of the first and second stationary contacts. The critical position is the intersection of the moving trajectory of the slider and the length direction of the pendulum.

[0011] In one implementation of this disclosure, the movement trajectory of the slider is a straight line and perpendicular to the swing axis of the pendulum.

[0012] The line connecting the midpoint of the sliding member's movement trajectory and the mating end of the swing plate is the central axis, and the first stationary contact plate and the second stationary contact plate are located on both sides of the central axis.

[0013] In another implementation of this disclosure, the outer wall of the housing has a groove, the length direction of which is consistent with the moving direction of the sliding member;

[0014] The sliding member includes a slider and a transition member, the slider being connected to the transition member, and the transition member being slidably located within the groove.

[0015] In another implementation of this disclosure, the bottom of the chute has a receiving groove, and a roller is provided inside the receiving groove;

[0016] The transition piece is in rolling engagement with the roller shaft.

[0017] In another implementation of this disclosure, the transition member has a through hole, and a hanging rod is provided in the through hole, the hanging rod being connected to the wall of the through hole;

[0018] The second end of the elastic element is located outside the housing and is connected to the hanging rod.

[0019] In another implementation of this disclosure, the inner wall of the housing has a positioning structure, and the side of the positioning structure facing the swing plate has a slot;

[0020] The mating end of the pendulum can be movably inserted into the slot.

[0021] In another implementation of this disclosure, the energized terminal of the pendulum includes a first movable contact and a second movable contact, which are electrically connected to each other.

[0022] The number of the first stationary contact pieces is two, the two first stationary contact pieces are spaced apart from each other, and correspond to the first moving contact piece and the second moving contact piece respectively;

[0023] There are two second stationary contact pieces, which are spaced apart from each other and correspond to the first moving contact piece and the second moving contact piece, respectively.

[0024] In another implementation of this disclosure, the moving contact assembly further includes a cable;

[0025] The cable is connected to the first movable contact and the second movable contact, respectively.

[0026] In another implementation of this disclosure, one side of the swing plate has a fixing member, which is located between the first movable contact plate and the second movable contact plate;

[0027] The middle portion of the cable is detachably connected to the fixing member.

[0028] In another implementation of this disclosure, one of the two first stationary contacts is electrically connected to one of the two second stationary contacts.

[0029] In another implementation of this disclosure, the switching mechanism further includes a magnetic blow-out component;

[0030] The magnetic blower is a magnetic structural component. It is located between the first stationary contact piece and the second stationary contact piece and is adjacent to the energized end of the pendulum piece. The magnetic field lines formed by the magnetic blower intersect the plane where the oscillation trajectory of the energized end of the pendulum piece is located.

[0031] In another implementation of this disclosure, the inner wall of the housing has a mounting structure, and the side of the mounting structure facing the magnetic blow-out component has a mounting groove;

[0032] The magnetic blower is inserted into the mounting slot.

[0033] Secondly, embodiments of this disclosure provide an electronic device including the switching mechanism described in the first aspect.

[0034] The beneficial effects of the technical solutions provided in this disclosure include at least the following:

[0035] The sliding member can move relative to the housing, thereby driving the elastic member to move. The moving elastic member can drive the energized end of the swing plate to abut against the first stationary contact or the second stationary contact, thereby switching the switching mechanism between the on and off states.

[0036] When the energized end of the driving pendulum abuts against the first stationary contact (or the second stationary contact), the elastic element tightens. Under the action of the elastic element, the energized end of the driving pendulum is in close contact with the first stationary contact, keeping the switching mechanism in the on or off state. As the sliding member moves towards the critical position, it drives the second end of the elastic element to move. The first end of the elastic element remains stationary because it is connected to the pendulum, so the elastic element is gradually stretched and accumulates elastic potential energy. When the elastic element moves to the critical position, it instantly releases its elastic potential energy, thereby driving the energized end of the pendulum to swing from the first stationary contact (or the second stationary contact) to the second stationary contact (or the first stationary contact) at an extremely fast speed, thus switching the state of the switching mechanism. Because the separation time between the energized end of the pendulum and the first stationary contact (or the second stationary contact), as well as the engagement time with the second stationary contact (or the first stationary contact), are very short, the arcing time is greatly reduced, effectively avoiding the problem of arc erosion.

[0037] In other words, the switching mechanism can greatly improve the engagement and disengagement speeds between the moving contact assembly and the stationary contact assembly, thereby reducing the arcing time and effectively avoiding the problem of arc erosion. Attached Figure Description

[0038] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0039] Figure 1 This is a schematic diagram of the switching mechanism provided in an embodiment of this disclosure;

[0040] Figure 2 This is a cross-sectional view of the switching mechanism provided in an embodiment of this disclosure;

[0041] Figure 3 This is a schematic diagram of the switching principle of the switching mechanism provided in the embodiments of this disclosure;

[0042] Figure 4 This is an assembly diagram of the slider provided in an embodiment of this disclosure;

[0043] Figure 5 This is a schematic diagram of the assembly of the oscillating pieces provided in the embodiments of this disclosure;

[0044] Figure 6 This is a schematic diagram illustrating the cooperation between the moving contact assembly and the stationary contact assembly provided in the embodiments of this disclosure;

[0045] Figure 7 This is an assembly diagram of the magnetic blow-out component provided in an embodiment of this disclosure.

[0046] The symbols in the diagram represent the following meanings:

[0047] 10. Shell;

[0048] 110. Slide groove; 120. Receiving groove; 130. Roller; 140. Positioning structure; 150. Slot; 160. Mounting structure; 170. Mounting groove;

[0049] 20. Static contact plate assembly;

[0050] 210. First stationary contact piece; 220. Second stationary contact piece; 231. First terminal block; 232. Second terminal block; 233. Third terminal block;

[0051] 30. Sliding components;

[0052] 310. Slide button; 311. Connecting pin; 320. Transition piece; 321. Through hole; 322. Hanging rod;

[0053] 40. Moving contact assembly;

[0054] 410. Swing plate; 411. First moving contact plate; 412. Second moving contact plate; 413. Fixing element; 420. Elastic element; 430. Cable;

[0055] 50. Magnetic blown parts. Detailed Implementation

[0056] To make the objectives, technical solutions, and advantages of this disclosure clearer, the embodiments of this disclosure will be described in further detail below with reference to the accompanying drawings.

[0057] This disclosure provides a switching mechanism. Figure 1 See the schematic diagram of the switching mechanism. Figure 1 The switching mechanism includes a housing 10, a stationary contact assembly 20, a slider 30, and a moving contact assembly 40.

[0058] Figure 2 This is a sectional view of the switching mechanism, combined with... Figure 2In this embodiment, the stationary contact assembly 20 is located inside the housing 10. The stationary contact assembly 20 includes a first stationary contact 210 and a second stationary contact 220, which are spaced apart from each other. The slider 30 is located outside the housing 10 and is movable relative to the housing 10. The moving contact assembly 40 includes a swing plate 410 and an elastic member 420. The mating end of the swing plate 410 abuts against the housing 10 to serve as the basis for the swing of the swing plate 410. The electrical terminal of the swing plate 410 is located between the first stationary contact 210 and the second stationary contact 220. The first end of the elastic member 420 is connected to the portion of the swing plate 410 near the mating end, and the second end of the elastic member 420 is connected to the slider 30.

[0059] The movable contact assembly 40 is configured such that, driven by the slider 30, the elastic element 420 accumulates elastic potential energy. When the slider 30 moves to a critical position, the elastic element 420 releases the elastic potential energy and drives the electrical terminal of the swing piece 410 to move from one of the first stationary contact piece 210 and the second stationary contact piece 220 to the other of the first stationary contact piece 210 and the second stationary contact piece 220. The critical position is the intersection of the moving trajectory of the slider 30 and the length direction of the swing piece 410.

[0060] The sliding member 30 can move relative to the housing 10, thereby driving the elastic member 420 to move. The moving elastic member 420 can drive the energized end of the swing plate 410 to abut against the first stationary contact 210 or the second stationary contact 220, thereby causing the switching mechanism to switch between the on and off states.

[0061] When the energized end of the driving pendulum 410 abuts against the first stationary contact 210 (or the second stationary contact 220), the elastic element 420 tightens. Under the action of the elastic element 420, the energized end of the driving pendulum 410 is in close contact with the first stationary contact 210, keeping the switching mechanism in the on or off state. As the sliding member 30 moves toward the critical position, the sliding member 30 drives the second end of the elastic element 420 to move. The first end of the elastic element 420 remains stationary because it is connected to the pendulum 410, so the elastic element 420 is gradually stretched and accumulates elastic potential energy. When the elastic element 420 moves to the critical position, the elastic element 420 instantly releases its own elastic potential energy, thereby driving the energized end of the pendulum 410 to swing from the first stationary contact 210 (or the second stationary contact 220) to the second stationary contact 220 (or the first stationary contact 210) at an extremely fast speed, thereby switching the state of the switching mechanism. Because the separation time between the energized end of the oscillating plate 410 and the first stationary contact 210 (or the second stationary contact 220), as well as the engagement time with the second stationary contact 220 (or the first stationary contact 210), are very short, the arcing time is greatly reduced, effectively avoiding the problem of arc erosion.

[0062] In other words, the switching mechanism can greatly improve the engagement and disengagement speeds between the moving contact assembly 40 and the stationary contact assembly 20, thereby reducing the arcing time and effectively avoiding the problem of arc erosion.

[0063] In this embodiment, the movement trajectory of the slider 30 is a straight line and perpendicular to the swing axis of the swing plate 410. The line connecting the midpoint of the movement trajectory of the slider 30 and the mating end of the swing plate 410 is the central axis. The first stationary contact plate 210 and the second stationary contact plate 220 are located on both sides of the central axis.

[0064] Figure 3 This is a schematic diagram of the switching principle of the switching mechanism, combined with... Figure 3 Taking the swing of the pendulum 410 from the first stationary contact 210 to the second stationary contact 220 as an example, the principle of the switching mechanism will be further explained.

[0065] See Figure 3 In the first part, the elastic element 420 is in a stretched state, so that the electrical terminal of the swing plate 410 is tightly abutted against the first stationary contact plate 210.

[0066] See Figure 3 In the second part, the slider 30 moves toward the critical position along its own direction of movement, thereby causing the second end of the elastic member 420 to move. Since the first end of the elastic member 420 remains stationary due to its connection with the swing plate 410, the elastic member 420 is gradually stretched and accumulates elastic potential energy.

[0067] See Figure 3 In the third part, the slider 30 reaches the critical position. At this time, the length direction of the elastic element 420 coincides with the length direction of the swing arm. The elastic potential energy of the elastic element 420 is accumulated to the maximum and is ready to be released.

[0068] See Figure 3 In the fourth part, the slider 30 moves past the critical position, and the elastic element 420 instantly releases its own elastic potential energy, thereby driving the energized end of the pendulum 410 to swing from the first stationary contact 210 to the second stationary contact 220 at an extremely fast speed, thereby causing the state of the switching mechanism to switch.

[0069] Figure 4 This is an assembly diagram of the sliding component 30, combined with... Figure 4 In this embodiment, the outer wall of the housing 10 has a groove 110, the length direction of which is consistent with the moving direction of the slider 30. The slider 30 includes a button 310 and a transition member 320, the button 310 is connected to the transition member 320, and the transition member 320 is slidably located in the groove 110.

[0070] In the above implementation, the slider 310 is operated by the user to move the transition piece 320 within the slide groove 110. The slide groove 110 provides accommodating space for the transition piece 320 and also serves as a guide. In addition, the groove wall of the slide groove 110 can also limit the transition piece 320, preventing it from sliding out.

[0071] For example, the side of the slider 310 facing the transition member 320 has a connecting pin 311, which is inserted into the transition member 320.

[0072] For example, the bottom of the chute 110 has a receiving groove 120, and a roller 130 is provided in the receiving groove 120. The transition member 320 rolls with the roller 130.

[0073] The roller 130 is rotatably located in the receiving groove 120. When the transition member 320 moves, it can drive the roller 130 to move together, thereby changing the sliding friction experienced by the transition member 320 during movement into rolling friction. This effectively reduces the frictional force experienced by the transition member 320 during movement, making it easier for the user to operate the sliding member 30.

[0074] For example, the roller 130 is perpendicular to the direction of movement of the slider 30, thereby ensuring the rolling fit between the roller 130 and the slider 30.

[0075] For example, the bottom of the chute 110 has two receiving grooves 120, which are spaced apart from each other. Each of the two receiving grooves 120 has a roller 130, which are parallel to each other. The transition piece 320 and the two rollers 130 are in rolling engagement.

[0076] In the above implementation, the transition member 320 is supported by two rollers 130 together, which can effectively improve the support stability of the transition member 320.

[0077] See also Figure 4 In this embodiment, the transition member 320 has a through hole 321, and a hanging rod 322 is provided in the through hole 321. The hanging rod 322 is connected to the hole wall of the through hole 321. The second end of the elastic member 420 is located outside the housing 10 and is connected to the hanging rod 322.

[0078] In the above implementation, the through hole 321 is used to accommodate the hanging rod 322, allowing the second end of the elastic member 420 to pass through the through hole 321 and be hung on the hanging rod 322, thereby connecting the elastic member 420 and the hanging rod 322. The transition member 320, through the action of the elastic member 420, can be tightly pressed into the slide groove 110, preventing it from coming out of the slide groove 110.

[0079] For example, the elastic element 420 is a helical spring, and both ends of the elastic element 420 have hooks. The hook at the first end of the elastic element 420 is hung on the swing plate 410, and the hook at the second end of the elastic element 420 is hung on the hanging rod 322.

[0080] In this embodiment, the mating end of the swing piece 410 has a notch, and the elastic element 420 is movably located within the notch, thereby avoiding the problem of interference between the elastic element 420 and the swing piece 410 when they move relative to each other.

[0081] Figure 5 This is a schematic diagram of the assembly of the rocker plate. Figure 5 for Figure 1 A-direction perspective, combined Figure 5 In this embodiment, the inner wall of the housing 10 has a positioning structure 140, and the side of the positioning structure 140 facing the swing piece 410 has a slot 150, and the mating end of the swing piece 410 is movably inserted into the slot 150.

[0082] In the above implementation, the mating end of the swing piece 410 is inserted into the slot 150, and the outer edge of the mating end of the swing piece 410 abuts against the bottom of the slot 150. The slot 150 is a V-shaped groove, which not only provides accommodating space for the mating end of the swing piece 410, but also provides room for movement of the mating end of the swing piece 410, thus avoiding interference between the mating end of the swing piece 410 and the positioning structure 140.

[0083] Figure 6 This is a schematic diagram showing the fit between the moving contact assembly 40 and the stationary contact assembly 20. Figure 6 In this embodiment, the energized terminals of the oscillating plate 410 include a first moving contact 411 and a second moving contact 412, which are electrically connected to each other. There are two first stationary contacts 210, spaced apart from each other and corresponding to the first moving contact 411 and the second moving contact 412, respectively. There are also two second stationary contacts 220, spaced apart from each other and corresponding to the first moving contact 411 and the second moving contact 412, respectively.

[0084] In the above implementation, the first moving contact 411 and the second moving contact 412 together abut against the two first stationary contacts 210, or the first moving contact 411 and the second moving contact 412 together abut against the two second stationary contacts 220. In this way, an electric arc will be generated simultaneously between the two pairs of moving and stationary contacts, but the energy generated by each arc is half of the original, making the arc easier to extinguish and shortening the arc ablation time.

[0085] To avoid situations where only one of the first movable contact piece 411 and the second movable contact piece 412 achieves tight contact while the other cannot achieve tight contact or even makes no contact due to assembly or manufacturing tolerances, in this embodiment, the first movable contact piece 411 and the second movable contact piece 412 are elastic elements 420, which allows the first movable contact piece 411 and the second movable contact piece 412 to generate a certain elastic deformation, thereby allowing the swing piece 410 to make a sufficient swing stroke, so as to ensure that both the first movable contact piece 411 and the second movable contact piece 412 can tightly contact the first stationary contact piece 210 or the second stationary contact piece 220.

[0086] Because the sway plate 410 is relatively thin, its resistance is relatively high, which is not conducive to achieving an electrical connection between the first moving contact plate 411 and the second moving contact plate 412. In order to achieve a good electrical connection between the first moving contact plate 411 and the second moving contact plate 412, in this embodiment, the moving contact plate assembly 40 further includes a cable 430, which is connected to the first moving contact plate 411 and the second moving contact plate 412 respectively.

[0087] In the above implementation, the first moving contact 411 and the second moving contact 412 are electrically connected through a cable 430, and are not affected by the resistance of the swing plate 410.

[0088] For example, the cable 430 is a flexible cable 430, thereby avoiding the cable 430 from affecting the elastic deformation of the first movable contact 411 and the second movable contact 412.

[0089] In this embodiment, one side of the swing plate 410 has a fixing member 413, which is located between the first movable contact plate 411 and the second movable contact plate 412. The middle part of the cable 430 is detachably connected to the fixing member 413.

[0090] In the above implementation, the cable 430 can be fixed to one side of the swing plate 410 by the fastener 413, which avoids the cable 430 from shaking due to the swing plate 410 swinging, and thus avoids the cable 430 from detaching from the first moving contact plate 411 and the second moving contact plate 412.

[0091] In one example, fastener 413 is a snap hook (see...). Figure 6 The middle part of the cable 430 is snapped into the fixing member 413. In this way, the fixing member 413 can fix the cable 430 through a simple structure.

[0092] In another example, the fastener 413 is a strap, and the middle of the cable 430 is secured within the fastener 413. This provides a more secure hold for the cable 430.

[0093] In this embodiment, one of the two first stationary contacts 210 is electrically connected to one of the two second stationary contacts 220.

[0094] The switching mechanism includes three terminals: the first terminal 231 is connected to a first stationary contact 210, the second terminal 232 is connected to another first stationary contact 210, and the third terminal 233 is connected to a second stationary contact 220.

[0095] The switching mechanism can be used as a single-pole switch or a double-pole switch, which will be introduced separately below.

[0096] When used as a single-pole switch, the first terminal 231 is connected to the incoming cable, and either the second terminal 232 or the third terminal 233 is connected to the outgoing cable. If the second terminal 232 is connected to the outgoing cable, then when the terminal of the swing plate 410 abuts against the first stationary contact 210, the incoming and outgoing cables are connected, and the switch mechanism is in the closed state. When the terminal of the swing plate 410 abuts against the second stationary contact 220, the incoming and outgoing cables are disconnected, and the switch mechanism is in the closed state. If the third terminal 233 is connected to the outgoing cable, then when the terminal of the swing plate 410 abuts against the first stationary contact 210, the incoming and outgoing cables are disconnected, and the switch mechanism is in the closed state. When the terminal of the swing plate 410 abuts against the second stationary contact 220, the incoming and outgoing cables are connected, and the switch mechanism is in the closed state.

[0097] When used as one of two control switches, for one switch mechanism, the first terminal 231 is connected to the incoming cable, the second terminal 232 is connected to the first outgoing cable, and the third terminal 233 is connected to the second outgoing cable. For the other switch mechanism, the second terminal 232 is connected to the first outgoing cable, the third terminal 233 is connected to the second outgoing cable, and the first terminal 231 is connected to the third outgoing cable.

[0098] See also Figure 6 In this embodiment, the switching mechanism further includes a magnetic blower 50, which is a magnetic structural component. The magnetic blower 50 is located between the first stationary contact piece 210 and the second stationary contact piece 220, and is adjacent to the power-connected end of the swing piece 410. The magnetic field lines formed by the magnetic blower 50 intersect the plane where the swing trajectory of the power-connected end of the swing piece 410 is located.

[0099] According to the left-hand rule of Lorentz, the arc generated between the moving contact assembly 40 and the stationary contact assembly 20 will be lengthened under the action of Lorentz force, thereby achieving the purpose of extinguishing the arc by changing the length of the arc.

[0100] For example, the magnetic field lines formed by the magnetic blower 50 are perpendicular to the plane where the oscillation trajectory of the energized end of the pendulum 410 is located.

[0101] In this positional relationship, the magnetic blow-out component 50 can extend the electric arc to the maximum extent, further improving the magnetic blow-out effect.

[0102] Figure 7 This is an assembly diagram of the magnetic blower component. Figure 7 for Figure 1 The B-direction perspective, combined with Figure 7 In this embodiment, the inner wall of the housing 10 has a mounting structure 160, and the side of the mounting structure 160 facing the magnetic blower 50 has a mounting groove 170, in which the magnetic blower 50 is inserted.

[0103] In the above implementation, the mounting structure 160 provides a stable mounting base for the magnetic blow-out component 50, while the mounting groove 170 provides mounting space for the magnetic blow-out component 50.

[0104] For example, the plane in which the mounting groove 170 is located is parallel to the plane in which the oscillation trajectory of the energized end of the pendulum 410 is located. In this way, it can be ensured that the magnetic field lines formed by the magnetic blower 50 located in the mounting groove 170 are perpendicular to the plane in which the oscillation trajectory of the energized end of the pendulum 410 is located.

[0105] This disclosure provides an electronic device, which includes... Figures 1 to 7 The switch mechanism shown.

[0106] Because the electronic device includes Figures 1 to 7 The switch mechanism shown indicates that the electronic device has... Figures 1 to 7 The full benefits of the switching mechanism shown will not be elaborated here.

[0107] For example, electronic devices are switches, sockets, or other electronic devices that require control of the on / off state of a circuit, and this disclosure does not limit this.

[0108] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning understood by one of ordinary skill in the art to which this disclosure pertains. The terms “first,” “second,” “third,” and similar terms used in this patent application specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, the terms “an” or “a” and similar terms do not indicate a quantity limitation, but rather indicate the presence of at least one. The terms “comprising” or “including” and similar terms mean that the elements or objects preceding “comprising” or “including” encompass the elements or objects listed following “comprising” or “including” and their equivalents, and do not exclude other elements or objects. The terms “connected” or “linked” and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms “upper,” “lower,” “left,” “right,” etc., are used only to indicate relative positional relationships; when the absolute position of the described objects changes, the relative positional relationship may also change accordingly.

[0109] The above description is merely an optional embodiment of this disclosure and is not intended to limit this disclosure. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this disclosure should be included within the protection scope of this disclosure.

Claims

1. A switching mechanism, characterized in that, It includes a housing (10), a stationary contact assembly (20), a slider (30), and a moving contact assembly (40); The stationary contact assembly (20) is located inside the housing (10). The stationary contact assembly (20) includes a first stationary contact (210) and a second stationary contact (220), which are spaced apart from each other. The slider (30) is located outside the housing (10) and is movable relative to the housing (10); The moving contact assembly (40) includes a swing plate (410) and an elastic member (420). The mating end of the swing plate (410) abuts against the housing (10) to serve as the swing basis of the swing plate (410). The electrical terminal of the swing plate (410) is located between the first stationary contact plate (210) and the second stationary contact plate (220). The first end of the elastic member (420) is connected to the portion of the swing plate (410) near the mating end, and the second end of the elastic member (420) is connected to the sliding member (30). The moving contact assembly (40) is configured such that, driven by the sliding member (30), the elastic member (420) accumulates elastic potential energy. When the sliding member (30) moves to a critical position, the elastic member (420) releases the elastic potential energy and drives the electrical terminal of the pendulum (410) to move from one of the first stationary contact (210) and the second stationary contact (220) to the other of the first stationary contact (210) and the second stationary contact (220). The critical position is the intersection of the moving trajectory of the sliding member (30) and the length direction of the pendulum (410).

2. The switching mechanism according to claim 1, characterized in that, The movement trajectory of the slider (30) is a straight line and is perpendicular to the swing axis of the pendulum (410); The line connecting the midpoint of the moving trajectory of the slider (30) and the mating end of the swing plate (410) is the central axis, and the first stationary contact plate (210) and the second stationary contact plate (220) are located on both sides of the central axis.

3. The switching mechanism according to claim 1 or 2, characterized in that, The outer wall of the housing (10) has a groove (110), the length direction of which is consistent with the moving direction of the sliding member (30); The slider (30) includes a slider (310) and a transition member (320), the slider (310) being connected to the transition member (320), and the transition member (320) being slidably located within the groove (110).

4. The switching mechanism according to claim 3, characterized in that, The bottom of the chute (110) has a receiving groove (120), and a roller (130) is provided in the receiving groove (120); The transition piece (320) rolls in conjunction with the roller (130).

5. The switching mechanism according to claim 3, characterized in that, The transition piece (320) has a through hole (321), and a hanging rod (322) is provided in the through hole (321). The hanging rod (322) is connected to the hole wall of the through hole (321). The second end of the elastic element (420) is located outside the housing (10) and is connected to the hanging rod (322).

6. The switching mechanism according to claim 1 or 2, characterized in that, The inner wall of the housing (10) has a positioning structure (140), and the side of the positioning structure (140) facing the swing plate (410) has a slot (150); The mating end of the swing plate (410) is movably inserted into the slot (150).

7. The switching mechanism according to claim 1 or 2, characterized in that, The energized terminals of the swing plate (410) include a first movable contact (411) and a second movable contact (412), and the first movable contact (411) and the second movable contact (412) are electrically connected to each other; There are two first stationary contact pieces (210), the two first stationary contact pieces (210) are spaced apart from each other, and correspond to the first moving contact piece (411) and the second moving contact piece (412) respectively; There are two second stationary contact pieces (220), which are spaced apart from each other and correspond to the first moving contact piece (411) and the second moving contact piece (412) respectively.

8. The switching mechanism according to claim 7, characterized in that, The movable contact assembly (40) also includes a cable (430); The cable (430) is connected to the first movable contact (411) and the second movable contact (412) respectively.

9. The switching mechanism according to claim 8, characterized in that, One side of the swing plate (410) has a fixing member (413), which is located between the first movable contact plate (411) and the second movable contact plate (412); The middle part of the cable (430) is detachably connected to the fastener (413).

10. The switching mechanism according to claim 7, characterized in that, One of the two first stationary contacts (210) is electrically connected to one of the two second stationary contacts (220).

11. The switching mechanism according to claim 1 or 2, characterized in that, The switching mechanism also includes a magnetic blow-out component (50); The magnetic blower (50) is a magnetic structural component. The magnetic blower (50) is located between the first stationary contact piece (210) and the second stationary contact piece (220) and is adjacent to the power-connected end of the pendulum piece (410). The magnetic field lines formed by the magnetic blower (50) intersect the plane where the swing trajectory of the power-connected end of the pendulum piece (410) is located.

12. The switching mechanism according to claim 11, characterized in that, The inner wall of the housing (10) has a mounting structure (160), and the mounting structure (160) has a mounting groove (170) on the side facing the magnetic blower (50); The magnetic blower (50) is inserted into the mounting slot (170).

13. An electronic device, characterized in that, Includes the switching mechanism as described in any one of claims 1 to 12.

Images