CN219497633U - Magnetic control switch assembly - Google Patents

Abstract

The utility model relates to the technical field of control switches and discloses a magnetic control switch assembly, which comprises a shell, wherein the shell comprises a base and an upper cover which is detachably connected to the base, the base comprises a first base body and a second base body, and the first base body and the second base body are integrally formed; the magnetic control switch assembly also comprises an electromagnet arranged on the shell and two switch devices respectively arranged on two sides of the electromagnet, wherein the switch devices comprise a switch rod, an elastic reset device and a static contact piece, the switch rod is connected with a movable contact, the elastic reset device is connected with the switch rod, the static contact piece is positioned under the corresponding position of the movable contact, and when the switch rod is pressed down, the switch rod can drive the movable contact to contact with the static contact piece; the upper side of the shell is also provided with a pressing structure, the pressing structure comprises a pressing seat, the pressing seat is connected with a magnetic attraction piece for pressing the switch rod in a sliding manner, and the pressing seat is also provided with a third elastic reset device connected with the magnetic attraction piece. The beneficial effects are that: the manufacturing efficiency of the magnetic control switch assembly is improved, and the manufacturing cost is reduced.

Description

Magnetic control switch assembly

Technical Field

The utility model relates to the technical field of control switches, in particular to a magnetic control switch assembly.

Background

The existing magnetic control switch assembly generally comprises a shell, an electromagnet and a switch device. The housing generally comprises a base and an upper cover, and the base comprises a first base and a second base. When the shell is manufactured, the first seat body and the second seat body are manufactured by stamping through different dies, then the first seat body and the second seat body are combined in a press riveting mode, then the upper cover is manufactured by stamping through another die, and finally the upper cover is assembled on the base. The process for manufacturing the shell has more steps and is easy to make mistakes, and at least three kinds of dies are needed, so that the manufacturing process of the magnetic control switch assembly has lower efficiency and higher cost.

Disclosure of Invention

The utility model mainly aims to provide a magnetic control switch assembly, and aims to solve the technical problems of lower manufacturing efficiency and higher cost of a shell in the prior art.

In order to achieve the above objective, the present utility model provides a magnetic control switch assembly, comprising a housing, wherein the housing comprises a base and an upper cover detachably connected to the base, the base comprises a first base and a second base, and the first base and the second base are integrally formed; the magnetic control switch assembly further comprises an electromagnet arranged on the shell and two switch devices respectively arranged on two sides of the electromagnet, the switch devices comprise switch rods, elastic reset devices and static contact pieces, the switch rods are arranged on the upper cover in a vertical sliding mode, the upper ends of the switch rods are flush and higher than the electromagnet, the switch rods are connected with movable contacts, the elastic reset devices are arranged in the shell and connected with the switch rods, the static contact pieces are arranged in the shell and are positioned below the corresponding positions of the movable contacts, and when the switch rods are pressed down, the switch rods can drive the movable contacts to be in contact with the static contact pieces; the upper side of the shell is also provided with a pressing structure, the pressing structure comprises a pressing seat which is relatively fixed with the shell, the pressing seat is connected with a magnetic attraction piece for pressing the switch rod in a sliding manner, and the pressing seat is also provided with a third elastic reset device which is connected with the magnetic attraction piece.

The beneficial effects of the utility model are as follows: the first seat body and the second seat body are integrally formed, only one die is needed when the base is manufactured, the procedure of riveting and fixing the first seat body and the second seat body is omitted, and finally the upper cover is arranged on the base, so that the manufacturing of the shell is completed, the manufacturing steps and time of the shell are reduced, the manufacturing efficiency of the magnetic control switch assembly is improved, and the manufacturing cost is reduced.

Preferably, two buckling pieces are arranged on the base and distributed along the length direction of the base, two buckling pieces are arranged on the upper cover and are respectively matched with the two buckling pieces, the buckling pieces are buckled on the corresponding buckling pieces, and the buckling pieces are used for limiting the upper cover to move upwards. The upper cover is fixed on the base through the fastener and the fastener.

Preferably, the two switching devices are a first switching device and a second switching device, respectively; the second switch device comprises a second switch rod, a second elastic reset device and a second static contact piece, the second switch rod is arranged on the upper cover in a vertical sliding way, the second elastic reset device is arranged in the shell and is connected with the second switch rod, and the second static contact piece is arranged in the shell; the second switch device further comprises a second elastic contact piece, the fixed end of the second elastic contact piece is fixedly connected with the base, a second movable contact is arranged on the movable end of the second elastic contact piece, the second movable contact is located above the second static contact piece, the second switch rod is fixedly connected with the second elastic contact piece, and when the second switch rod is pressed down, the second switch rod can drive the second movable contact on the second elastic contact piece to contact with the second static contact piece. The second elastic contact piece is arranged, and the on-off of the second switching device can be controlled only by one second switching rod, so that the cost is saved.

Preferably, the first switch device comprises a first switch rod, a first elastic reset device and a first static contact piece, the first switch rod is arranged on the upper cover in a vertical sliding way, the first elastic reset device is arranged in the shell and connected with the first switch rod, and the first static contact piece is arranged in the shell; the first switch device further comprises a first elastic contact piece, the fixed end of the first elastic contact piece is fixedly connected with the base, a first movable contact is arranged on the movable end of the first elastic contact piece, the first movable contact is located above the first static contact piece, the first switch rod is fixedly connected with the first elastic contact piece, and when the first switch rod is pressed down, the first switch rod can drive the first movable contact on the first elastic contact piece to contact with the first static contact piece. The first elastic contact piece is arranged, and the on-off of the first switching device can be controlled only by one first switch rod, so that the cost is saved.

Preferably, the first switch device comprises two first switch rods and two first static contact pieces, the first switch rods are arranged on the shell in a vertically sliding manner, a first elastic reset device connected with the first switch rods is further arranged in the shell, the two first switch rods are provided with first movable contacts, the two first movable contacts are electrically connected, the two first static contact pieces are arranged in the shell and are respectively positioned below the corresponding two first movable contacts, and when the first switch rods are pressed down, the first switch rods can drive the first movable contacts to contact with the corresponding first static contact pieces; the projections of the second switch rod and the two first switch rods on the horizontal plane are arranged in a non-collinear way. When the pressing structure is pressed down, the magnetic attraction piece moves downwards, and the first switch rod and the second switch rod are pressed down, so that the magnetic control switch assembly is in a power-on state. Because the plurality of switch rods which are not arranged in a collinear way are arranged in the utility model, after the switch rod is electrified, the magnetic attraction piece is supported by the switch rods, so that the magnetic attraction piece is not easy to generate the side deflection condition that one side of the magnetic attraction piece is tilted upwards, and basically the magnetic attraction piece is in a horizontally placed state, then the electromagnet can stably attract the magnetic attraction piece, so that the magnetic attraction piece can continuously press the switch rods, the magnetic control switch assembly can be better maintained in a continuously electrified state within a set time, the working effect of the magnetic control switch assembly is better ensured, and the user experience is improved.

Preferably, the first switch device further comprises a movable contact piece, the movable contact piece is arranged in the shell, the movable contact piece is connected with the first elastic reset device, the two first movable contact points are arranged at two ends of the movable contact piece, and the two first switch rods are arranged on the movable contact piece and are respectively close to the two first movable contact points. The two first movable contacts are arranged on the movable contact piece to realize electric connection.

Preferably, the first elastic resetting device comprises a first supporting spring, wherein the upper end of the first supporting spring is connected to the middle position of the movable contact piece, and the lower end of the first supporting spring is connected to the base. The upper end of the first supporting spring is connected to the middle position of the movable contact, the elastic force born by the two first movable contacts is basically consistent, the force of the two first fixed contacts corresponding to the downward press connection of the two first switch levers is basically consistent, and the stability of the first switch device is improved.

Preferably, the base is provided with a guide seat, and the guide seat is provided with a guide groove extending along the up-down direction; the first switch device further comprises a sliding seat, the movable contact piece penetrates through the sliding seat, the two first switch rods are arranged on the sliding seat, and the first elastic reset device is connected to the lower side of the sliding seat; the slide seat is provided with a guide strip which penetrates through the guide groove and can slide along the extending direction of the guide groove. The guide groove and the guide strip are used for guiding the up-and-down movement of the movable contact piece, so that the stability of the first switching device is further improved.

Preferably, the two first switch rods are distributed along the length direction of the shell, the distance from the second switch rod to any one of the first switch rods is equal, the magnetic attraction piece is further stably supported, and the situation that the magnetic attraction piece is laterally deviated is further avoided.

Preferably, the electromagnet comprises a bracket, a framework is arranged on the bracket, a coil is wound on the framework, and the bracket is formed by stacking nine or ten silicon steel sheets.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a magnetic control switch assembly (pressing structure is not shown) when two first switch levers are provided in embodiment 1 of the present utility model;

fig. 2 is a schematic structural diagram of a base, a first switching device, a second switching device and an electromagnet in embodiment 1 of the present utility model;

FIG. 3 is a schematic view of another angle structure of the base, the first switching device, the second switching device and the electromagnet according to embodiment 1 of the present utility model;

FIG. 4 is a schematic structural diagram of a magnetic control switch assembly in embodiment 1 of the present utility model;

FIG. 5 is a schematic view of a base structure according to an embodiment of the present utility model;

FIG. 6 is a schematic view of the structure of the upper cover according to the embodiment of the utility model;

fig. 7 is a schematic structural diagram of a first switching device and a base in embodiment 1 of the present utility model;

fig. 8 is a schematic structural diagram of the magnetic switch assembly (pressing structure is not shown) when a first switch lever is provided in embodiment 2 of the present utility model;

fig. 9 is a schematic diagram of the positional relationship among the first switch lever, the second switch lever and the electromagnet in embodiment 1 of the present utility model;

fig. 10 is a schematic diagram showing the positional relationship among the first switch lever, the second switch lever and the electromagnet in embodiment 2 of the present utility model;

fig. 11 and 12 are two arrangements of the second switch lever aligned with one of the first switch levers in embodiment 2 of the present utility model, respectively.

In the accompanying drawings: 1-shell, 11-upper cover, 111-fastener, 112-fixed plate, 1121-second screw hole, 12-base, 121-first pedestal, 122-second pedestal, 123-fastener, 124-guide holder, 1241-guide groove, 125-first screw hole, 2-electromagnet, 3-first switching device, 31-first switch lever, 32-first static contact, 321-first static contact, 33-movable contact, 331-first movable contact, 34-first elastic reset device, 35-slide, 36-first elastic contact, 4-second switching device, 41-second switch lever, 42-second static contact, 43-second elastic contact, 431-second movable contact, 44-second elastic reset device, 5-pressing structure, 51-pressing seat, 52-magnetic attraction piece, 53-third elastic reset device, 6-bracket, 61-skeleton.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In addition, if a directional instruction such as up, down, left, right, front, rear, etc. is referred to in the embodiment of the present utility model, the directional instruction is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional instruction is changed accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1 to 12, a magnetic control switch assembly comprises a housing 1, wherein the housing 1 comprises a base 12 and an upper cover 11 detachably connected to the base 12, the base 12 comprises a first base 121 and a second base 122, and the first base 121 and the second base 122 are integrally formed; the magnetic control switch assembly further comprises an electromagnet 2 arranged on the shell 1 and two switch devices respectively arranged on two sides of the electromagnet 2, wherein each switch device comprises a switch rod, an elastic reset device and a static contact piece, the switch rods are arranged on the upper cover 11 in a vertical sliding mode, the upper ends of the switch rods are flush and higher than the electromagnet 2, the switch rods are connected with movable contacts, the elastic reset device is arranged in the shell 1 and connected with the switch rods, the static contact pieces are arranged in the shell 1 and are positioned below the corresponding positions of the movable contacts, and when the switch rods are pressed down, the switch rods can drive the movable contacts to contact with the static contact pieces; the upper side of the shell 1 is also provided with a pressing structure 5, the pressing structure 5 comprises a pressing seat 51 which is relatively fixed with the shell 1, a magnetic attraction piece 52 for pressing the switch rod is connected onto the pressing seat 51 in a sliding manner, and a third elastic reset device 53 which is connected with the magnetic attraction piece 52 is further arranged on the pressing seat 51.

The first seat body 121 and the second seat body 122 are integrally formed, only one mold is needed when the base 12 is manufactured, the process of riveting and fixing the first seat body 121 and the second seat body 122 is omitted, and finally the upper cover 11 is arranged on the base 12, so that the manufacturing of the shell is completed, the manufacturing steps and time of the shell are reduced, the manufacturing efficiency of the magnetic control switch assembly is improved, and the manufacturing cost is reduced.

In the use, insert two switching device respectively with live wire and zero line to the break-make of control live wire and zero line. Specifically, taking a live wire as an example, an input end of the live wire is electrically connected with a movable contact in a corresponding switching device, an output end of the live wire is electrically connected with a static contact in the corresponding switching device, when the magnetic attraction piece 52 is pressed down, the magnetic attraction piece 52 presses down a switch rod to drive the movable contact to be in contact with the static contact, so that the output end and the input end of the live wire are communicated, and the communication of the live wire is realized. When the magnetic attraction piece 52 moves upwards under the action of the third elastic reset device 53, the switch rod moves upwards under the action of the elastic reset device, so that the movable contact is separated from the static contact piece, and the live wire is disconnected.

The on-off principle of the zero line is the same as that of the fire wire.

Referring to fig. 5, two fastening members 123 are disposed on the base 12, the two fastening members 123 are arranged along the length direction of the base 12, two fastening members 111 are disposed on the upper cover 11, the two fastening members 111 are respectively matched with the two fastening members 123, the fastening members 111 are fastened on the corresponding fastening members 123, and the fastening members 123 and the fastening members 111 are used for limiting the upper cover 11 to move upwards. The upper cover 11 is fixed to the base 12 by the snap 123 and the snap 111.

Specifically, two first screw holes 125 are further formed in the base 12, fixing plates are extended from two sides of the upper cover 11, second screw holes 1121 corresponding to the first screw holes 125 are formed in the fixing plates, and screws are screwed into the first screw holes 125 and the second screw holes 1121 correspondingly formed, so that the upper cover 11 and the base 12 are further fixed.

The two switching devices are a first switching device 3 and a second switching device 4 respectively; referring to fig. 3, the second switching device 4 includes a second switching lever 41, a second elastic reset device 44, and a second static contact piece 42, where the second switching lever 41 is slidably disposed on the upper cover 11 up and down, the second elastic reset device 44 is disposed in the housing 1 and connected to the second switching lever 41, and the second static contact piece 42 is disposed in the housing 1; the second switch device 4 further includes a second elastic contact 43, a fixed end of the second elastic contact 43 is fixedly connected with the base 12, a second movable contact 431 is disposed on a movable end of the second elastic contact 43, the second movable contact 431 is located above the second static contact 42, the second switch lever 41 is fixedly connected with the second elastic contact 43, and when the second switch lever 41 is pressed down, the second switch lever 41 can drive the second movable contact 431 on the second elastic contact 43 to contact with the second static contact 42. The second elastic contact piece 43 is arranged, and only one second switch rod 41 is needed to control the on-off of the second switch device 4, so that the cost is saved.

Specifically, the second elastic restoring means 44 includes a second supporting spring, the upper end of which is connected to the second switch lever 41 and the lower end of which is connected to the housing 1.

The electromagnet 2 comprises a bracket 6, a framework 61 is arranged on the bracket 6, a coil is wound on the framework 61, and the bracket 6 is formed by stacking nine or ten silicon steel sheets.

Specifically, the bracket 6 in the present embodiment is laminated from nine or ten silicon steel sheets. In the prior art, however, the bracket 6 is typically laminated from thirteen pieces of silicon steel. Compared with the bracket 6 in the prior art, the resistance of the bracket 6 in the embodiment is 120-150Ω, and compared with the bracket 6 with the resistance of 240 Ω in the prior art, the resistance of the bracket 6 in the embodiment is smaller, so that the suction force of the electromagnet 2 can be improved by more than or equal to 30N, the remanence can be reduced, the waste of enameled wires can be reduced, and the cost can be saved.

For the specific arrangement of the first switching device 3, there are embodiment 1 and embodiment 2:

example 1:

referring to fig. 1 to 7, 9, 11 and 12, the first switching device 3 includes two first switch rods 31 and two first stationary contacts 32, the first switch rods 31 are slidably disposed on the housing 1 up and down, a first elastic reset device 34 connected with the first switch rods 31 is further disposed in the housing 1, the two first switch rods 31 are each provided with a first movable contact 331, the two first movable contacts 331 are electrically connected, the two first stationary contacts 32 are disposed in the housing 1 and are respectively located below the two first movable contacts 331, and when the first switch rods 31 are pressed down, the first switch rods 31 can drive the first movable contacts 331 to contact with the corresponding first stationary contacts 32; the projections of the second switch lever 41 and the two first switch levers 31 on the horizontal plane are arranged in a non-collinear manner.

When the pressing structure 5 is pressed down, the magnetic sheet 52 moves downward, and presses down the first and second switch levers 31 and 41, so that the magnetic switch assembly is in an energized state. Because the plurality of switch rods which are not arranged in a collinear way are arranged in the utility model, after the switch rods are electrified, the magnetic attraction piece 52 is supported, so that the magnetic attraction piece 52 is not easy to be laterally inclined, and the magnetic attraction piece 52 is basically in a horizontally placed state, then the electromagnet 2 can stably attract the magnetic attraction piece 52, so that the magnetic attraction piece 52 can continuously press the plurality of switch rods, the magnetic control switch assembly can be better maintained in a continuously electrified state within a set time, the working effect of the magnetic control switch assembly is better ensured, and the user experience is improved.

Referring to fig. 2, the first switching device 3 further includes a movable contact 33, the movable contact 33 is disposed in the housing 1, the movable contact 33 is connected with the first elastic reset device 34, two first movable contacts 331 are disposed at two ends of the movable contact 33, and two first switch rods 31 are disposed on the movable contact 33 and respectively close to the two first movable contacts 331. The two first movable contacts 331 are disposed on the movable contact 33, so as to realize electrical connection.

Specifically, the first stationary contact 321 corresponding to the first movable contact 331 is disposed on the first stationary contact 32, and when the first movable contact 331 contacts with the first stationary contact 321, the movable contact 33 and the first stationary contact 32 can be electrically connected.

In other embodiments, the two first movable contacts 331 may be electrically connected by wires.

Referring to fig. 2, the first elastic restoring device 34 includes a first supporting spring, an upper end of which is connected to a middle position of the movable contact 33, and a lower end of which is connected to the base 12. The upper ends of the first supporting springs are connected to the middle position of the movable contact 33, so that the elastic forces received by the two first movable contacts 331 are kept basically consistent, the forces of the corresponding first static contact 32 pressed down by the two first switch rods 31 are also basically consistent, and the stability of the first switch device 3 is improved.

When the user presses the pressing device, if the pressed position is not right, only one first movable contact 331 can contact the corresponding first stationary contact 32, and the magnetic switch assembly is not in a communicating state. Only if the pressing position is correct, both the first switch levers 31 are pressed to enable both the first movable contacts 331 to be in contact with the corresponding first stationary contact 32, and then the second switch lever 41 is pressed down to enable the second movable contact 431 to be in contact with the second stationary contact 42, so that the magnetic switch assembly can be turned on.

In another embodiment, the first elastic restoring means 34 comprises a first supporting spring, the upper end of which is connected to the first switch lever 31 and the lower end of which is connected to the housing 1. In this embodiment, two first supporting springs are provided, which are respectively provided under the corresponding lower portions of the two first switch levers 31, respectively, to provide supporting and rebound resetting actions for the two first switch levers 31.

In other embodiments, the lower ends of the two first switch rods are connected with a first supporting spring, the upper ends of the first supporting springs are connected to the lower ends of the first switch rods, and the other ends of the first supporting springs are connected to the base.

Referring to fig. 5 and 7, a guide seat 124 is provided on the base 12, and a guide groove 1241 extending in the up-down direction is provided on the guide seat 124; the first switch device 3 further comprises a slide seat 35, the movable contact piece 33 is arranged in the slide seat 35 in a penetrating manner, the two first switch rods 31 are arranged on the slide seat 35, and the first elastic reset device 34 is connected to the lower side of the slide seat 35; the slide 35 is provided with a guide bar 351, and the guide bar 351 is inserted into the guide groove 1241 and can slide along the extending direction of the guide groove 1241. The guide groove 1241 and the guide bar 351 are used to guide the up-and-down movement of the movable contact 33, further improving the stability of the first switching device 3.

Referring to fig. 1, the two first switch levers 31 are arranged along the length direction of the housing 1, and the distance from the second switch lever 41 to any one of the first switch levers 31 is equal, so that the magnetic sheet 52 is further stably supported, and the situation that the magnetic sheet 52 is laterally biased is further avoided.

Specifically, referring to fig. 9, the projections of the second switch lever 41 and the two first switch levers 31 on the horizontal plane are arranged in an isosceles triangle, and the distances of the projections of the second switch lever 41 on the horizontal plane to the projections of the two first switch levers 31 on the horizontal plane are equal.

In still other embodiments, referring to fig. 11 and 12, the second switch lever 41 is aligned with one of the first switch levers 31.

In this magnetic switch assembly, it is necessary to adjust parameters such as the dimensions of the first support spring and the second support spring so that the total upward pushing force from the two first switch levers 31 received by the magnetic attraction sheet 52 is equal to the upward pushing force from the second switch lever 41, so that the magnetic attraction sheet 52 does not laterally deviate.

In practice, the live wire is typically connected to the first switching means 3 and the neutral wire is connected to the second switching means 4. But the live wire is connected to the second switching means 4 and the neutral wire is connected to the first switching means 3, the magnetic switching assembly being energizable.

Example 2:

referring to fig. 8 and 10, the first switching device 3 includes a first switching lever 31, a first elastic reset device 34, and a first stationary contact 32, the first switching lever 31 is slidably disposed on the upper cover 11 up and down, the first elastic reset device 34 is disposed in the housing 1 and connected to the first switching lever 31, and the first stationary contact 32 is disposed in the housing 1; the first switch device 3 further includes a first elastic contact 36, a fixed end of the first elastic contact 36 is fixedly connected with the base 12, a first movable contact 331 is disposed on a movable end of the first elastic contact 36, the first movable contact 331 is located above the first static contact 32, the first switch rod 31 is fixedly connected with the first elastic contact 36, and when the first switch rod 31 is pressed down, the first switch rod 31 can drive the first movable contact 331 on the first elastic contact 36 to contact with the first static contact 32. The first elastic contact 36 is arranged, and only one first switch rod 31 is needed to control the on-off of the first switch device 3, so that the cost is saved.

Specifically, the first elastic restoring means 34 includes a first supporting spring having an upper end connected to the first switch lever 31 and a lower end connected to the housing 1.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. A magnetically controlled switch assembly, characterized by: the novel portable electronic device comprises a shell (1), wherein the shell (1) comprises a base (12) and an upper cover (11) detachably connected to the base (12), the base (12) comprises a first base body (121) and a second base body (122), and the first base body (121) and the second base body (122) are integrally formed;

the magnetic control switch assembly further comprises an electromagnet (2) arranged on the shell (1) and two switch devices respectively arranged on two sides of the electromagnet (2), wherein each switch device comprises a switch rod, an elastic reset device and a static contact piece, the switch rods are arranged on the upper cover (11) in a vertical sliding mode, the upper ends of the switch rods are flush and higher than the electromagnet (2), movable contacts are connected to the switch rods, the elastic reset device is arranged in the shell (1) and connected with the switch rods, the static contact pieces are arranged in the shell (1) and are positioned below the corresponding positions of the movable contacts, and when the switch rods are pressed down, the switch rods can drive the movable contacts to contact with the static contact pieces;

the upper side of casing (1) still is equipped with pressing structure (5), pressing structure (5) include with casing (1) relatively fixed press seat (51), press sliding connection on seat (51) have be used for pushing down magnetic piece (52) of inhaling of switch lever, press still be equipped with on seat (51) with magnetic piece (52) are inhaled third elastic reset device (53) of being connected.

2. The magnetically controlled switch assembly of claim 1, wherein: be equipped with two buckle spare (123) on base (12), two buckle spare (123) are followed the length direction of base (12) is arranged, be equipped with two buckling parts (111) on upper cover (11), two buckling parts (111) respectively with two buckle spare (123) match and set up, buckling parts (111) lock in correspondence on buckle spare (123), buckle spare (123) with buckling parts (111) are used for the restriction upper cover (11) upward movement.

3. The magnetically controlled switch assembly of claim 1, wherein: the two switching devices are a first switching device (3) and a second switching device (4) respectively;

the second switch device (4) comprises a second switch rod (41), a second elastic reset device (44) and a second static contact piece (42), the second switch rod (41) is arranged on the upper cover (11) in a vertically sliding mode, the second elastic reset device (44) is arranged in the shell (1) and is connected with the second switch rod (41), and the second static contact piece (42) is arranged in the shell (1);

the second switch device (4) further comprises a second elastic contact piece (43), the fixed end of the second elastic contact piece (43) is fixedly connected with the base (12), a second movable contact (431) is arranged on the movable end of the second elastic contact piece (43), the second movable contact (431) is located above the second static contact piece (42), the second switch rod (41) is fixedly connected with the second elastic contact piece (43), and when the second switch rod (41) is pressed down, the second switch rod (41) can drive the second movable contact (431) on the second elastic contact piece (43) to be in contact with the second static contact piece (42).

4. A magnetically controlled switch assembly according to claim 3, wherein: the first switch device (3) comprises a first switch rod (31), a first elastic reset device (34) and a first static contact piece (32), wherein the first switch rod (31) is arranged on the upper cover (11) in a vertically sliding manner, the first elastic reset device (34) is arranged in the shell (1) and is connected with the first switch rod (31), and the first static contact piece (32) is arranged in the shell (1);

the first switch device (3) further comprises a first elastic contact piece (36), the fixed end of the first elastic contact piece (36) is fixedly connected with the base (12), a first movable contact (331) is arranged on the movable end of the first elastic contact piece (36), the first movable contact (331) is located above the first static contact piece (32), the first switch rod (31) is fixedly connected with the first elastic contact piece (36), and when the first switch rod (31) is pressed down, the first switch rod (31) can drive the first movable contact (331) on the first elastic contact piece (36) to be in contact with the first static contact piece (32).

5. A magnetically controlled switch assembly according to claim 3, wherein: the first switch device (3) comprises two first switch rods (31) and two first static contact pieces (32), the first switch rods (31) are arranged on the shell (1) in a vertically sliding mode, a first elastic reset device (34) connected with the first switch rods (31) is further arranged in the shell (1), first movable contacts (331) are arranged on the two first switch rods (31), the two first movable contacts (331) are electrically connected, the two first static contact pieces (32) are arranged in the shell (1) and are respectively located below the corresponding positions of the two first movable contact pieces (331), and when the first switch rods (31) are pressed down, the first switch rods (31) can drive the first movable contact pieces (331) to be in contact with the corresponding first static contact pieces (32); the projections of the second switch rod (41) and the two first switch rods (31) on the horizontal plane are arranged in a non-collinear mode.

6. The magnetically controlled switch assembly according to claim 5, wherein: the first switch device (3) further comprises a movable contact piece (33), the movable contact piece (33) is arranged in the shell (1), the movable contact piece (33) is connected with the first elastic reset device (34), the two first movable contact points (331) are arranged at two ends of the movable contact piece (33), and the two first switch rods (31) are arranged on the movable contact piece (33) and are respectively close to the two first movable contact points (331).

7. The magnetically controlled switch assembly according to claim 6, wherein: the first elastic reset device (34) comprises a first supporting spring, the upper end of the first supporting spring is connected to the middle position of the movable contact piece (33), and the lower end of the first supporting spring is connected to the base (12).

8. The magnetically controlled switch assembly according to claim 6 or 7, wherein: a guide seat (124) is arranged on the base (12), and a guide groove (1241) extending along the up-down direction is arranged on the guide seat (124);

the first switch device (3) further comprises a sliding seat (35), the movable contact piece (33) is arranged in the sliding seat (35) in a penetrating mode, the two first switch rods (31) are arranged on the sliding seat (35), and the first elastic reset device (34) is connected to the lower side of the sliding seat (35);

the sliding seat (35) is provided with a guide strip (351), and the guide strip (351) is arranged in the guide groove (1241) in a penetrating manner and can slide along the extending direction of the guide groove (1241).

9. The magnetically controlled switch assembly according to claim 5, wherein: the two first switch rods (31) are arranged along the length direction of the shell (1), and the distance from the second switch rod (41) to any one of the first switch rods (31) is equal.

10. The magnetically controlled switch assembly of claim 1, wherein: the electromagnet (2) comprises a bracket (6), a framework (61) is arranged on the bracket (6), a coil is wound on the framework (61), and the bracket (6) is formed by laminating nine or ten silicon steel sheets.