WO2024092990A1

WO2024092990A1 - Press plate structure for toaster switch and toaster switch thereof

Info

Publication number: WO2024092990A1
Application number: PCT/CN2022/141830
Authority: WO
Inventors: 李卫东; 吴柏纯; 李晓东
Original assignee: 东莞市凝锐开关有限公司
Priority date: 2022-10-31
Filing date: 2022-12-26
Publication date: 2024-05-10
Also published as: CN218585823U

Abstract

A press plate structure for a toaster switch and a toaster switch. The press plate structure for the toaster switch comprises a press plate frame (1), an armature piece (2), a hinge part (3), and a hook (4); the hook (4) is arranged on an upper surface of the press plate frame (1); the hinge part (3) is protrudingly arranged at the rear end of the press plate frame (1); an accommodating cavity (5) passing through the press plate frame (1) is formed at the middle of the press plate frame (1); and the armature piece (2) is arranged in the accommodating cavity (5). The press plate structure for the toaster switch is simple and compact, occupies little space, and facilitates miniaturized design of toaster switches.

Description

Pressure plate structure for toaster switch and toaster switch thereof

Technical Field

The utility model relates to the technical field of switches, in particular to a pressure plate structure for a toaster switch and the toaster switch.

Background technique

Usually, a toaster includes a safety switch, which includes a switch contact piece arranged on a switch housing, an electromagnet arranged on the switch housing, the electromagnet corresponding to a magnetic sheet arranged on the toaster body, the magnetic sheet connected to a sliding reset mechanism arranged on the toaster, and a switch rod corresponding to the magnetic sheet arranged on the switch housing, one end of the switch rod abuts against the switch contact piece. The sliding reset mechanism includes a sliding bracket arranged on the toaster body, a slide rail for sliding the switch rod is arranged on the toaster body; the magnetic sheet is arranged on the sliding bracket, and the sliding bracket is connected to a spring. A slide groove or slideway for sliding the switch rod is arranged on the switch housing to ensure that the switch rod moves smoothly and reliably, and a stop protrusion arranged at the end of the switch rod prevents the switch rod from being separated from the slide groove or slideway due to the elastic force of the elastic switch contact piece, thereby ensuring its reliable positioning. When the magnetic sheet is attracted to the electromagnet, the circuit is connected. When the circuit needs to be disconnected, the contacts are opened by the power-off holding mechanism, thereby realizing the circuit breaking. In the existing toaster switch, the magnetic sheet is fixed on the sliding bracket, and the slide rail and the sliding bracket cooperate to realize the guided movement of the magnetic sheet, thereby completing the guided movement of the switch action. However, the use of such a linear moving structure to assemble the magnetic sheet has a complex structure and occupies a large space, which is not conducive to the miniaturization development of the toaster switch.

technical problem

In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the utility model is to provide a pressure plate structure for a toaster switch. The pressure plate structure for the toaster switch has a simple and compact structure, occupies a small space, and is conducive to the miniaturization design of the toaster switch.

Technical Solutions

The purpose of the utility model is achieved through the following technical solutions: a pressure plate structure for a toaster switch, comprising a pressure plate frame, an armature sheet, a hinge and a hook, wherein the hook is arranged on the upper surface of the pressure plate frame, the hinge is extended at the rear end of the pressure plate frame, and a receiving cavity penetrating the pressure plate frame is arranged in the middle part of the pressure plate frame, and the armature sheet is arranged in the receiving cavity.

The pressure plate frame is provided with two clamping holes, and clamping protrusions are protruded from both sides of the armature sheet, and the clamping protrusions are clamped into the clamping holes.

Wherein, a closed alignment portion is extended from the front end of the pressure plate frame, and an alignment hole is arranged on the lower end surface of the closed alignment portion.

A toaster switch comprises the pressure plate structure for a toaster switch as described above, and also comprises a base, a box body arranged on the base, an electromagnet arranged in the box body, and a conductive component arranged in front of the electromagnet, wherein the conductive component comprises an input terminal and an output terminal, the input terminal is fixed to the base, the input terminal is provided with an input contact, the output terminal is provided with an elastic part that can be elastically deformed, and the end of the elastic part is provided with an output contact, the pressure plate frame is located above the electromagnet, the hinge part is hinged to the base so that the pressure plate frame can swing upward or downward relative to the base, when the pressure plate frame swings downward, the front end of the pressure plate frame squeezes the elastic part of the output terminal, the elastic part is pressed and drives the output contact to move toward the side close to the input contact, and the output contact is closed with the input contact.

The elastic part is further provided with an elastic sheet, which includes an inclined section and an arcuate section arranged in an arc shape, one end of the inclined section is fixedly connected to the elastic part, and the other end is connected to one end of the arcuate section.

Wherein, the output terminal is further provided with a mounting portion, the mounting portion is connected to the elastic portion, the base is provided with a mounting column, and the mounting portion is arranged on the mounting column.

Wherein, the installation column is provided with an assembly groove, the assembly groove is opened along the vertical direction, and the installation part is inserted into the assembly groove from top to bottom.

Wherein, the free end of the mounting portion is connected with a riveting portion.

Wherein, the output terminal is arranged in an inverted V-shaped structure.

Wherein, the base is provided with an alignment column matched with the alignment hole.

Wherein, a buckle is arranged at the bottom of the box body, and a snap-in port cooperating with the buckle is arranged at the base.

Beneficial Effects

The beneficial effects of the utility model are:

The pressure plate structure for a toaster switch of the utility model has a simple and compact structure and occupies a small space, which is conducive to the miniaturization design of the toaster switch. When used for the toaster switch, the hinged part can be hinged with the other parts of the toaster switch, and the hook can be connected with the switch rod of the toaster switch. When the switch rod is pressed down, the pressure plate frame can be driven to swing downward to realize the closing and powering action of the switch. Compared with the existing guide structure for fixing the magnetic suction sheet, that is, the magnetic suction sheet is fixed to the sliding bracket, under the drive of the switch rod, the slide rail and the sliding bracket cooperate to realize the guided movement of the magnetic suction sheet, thereby completing the guided movement of the switch action, the pressure plate frame, the armature sheet and the hinged part of the pressure plate structure for the toaster switch of the present application are combined to form a planar structure. When the switch rod is pressed down, the pressure plate frame can be driven to swing downward to realize the closing and powering action of the switch. It occupies less space along the height direction, which is conducive to the miniaturization design of the toaster switch.

The toaster switch of the utility model cooperates with the switch rod during actual use, the switch rod moves downward to press the pressure plate frame, thereby driving the pressure plate frame to swing downward to squeeze the elastic part of the output terminal, the elastic part is pressed to drive the output contact to move toward the side close to the input contact, the output contact and the input contact are closed, power is turned on, and the electromagnet is energized to generate magnetic attraction to adsorb the armature piece, so that the pressure plate frame maintains an extrusion state of continuously squeezing the elastic part, and the output contact and the input contact maintain a continuously closed state, when the power is turned off, the electromagnet is powered off, the magnetic attraction disappears, and the elastic part rebounds toward the position before deformation under the action of the deformation force, thereby bouncing the front end of the pressure plate frame upward, the pressure plate frame swings upward, the output contact is separated from the input contact, and the power-off state is continuously maintained. The toaster switch of the utility model is provided with an elastic part at the output terminal, and the input contact is driven to separate from the output contact by the resilience of the elastic part, and the pressure plate frame is driven to swing upward and return to the initial position, so that the movable part is reset. The structure is simple, the elastic power part and the output terminal are located in the same part, and no other elastic parts need to be additionally provided, so the number of parts is effectively reduced, the volume of the toaster switch is reduced, and the miniaturization design of the toaster switch is beneficial.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a perspective view of a pressure plate structure for a toaster switch according to the present invention.

FIG. 2 is a perspective view of a toaster switch of the present invention.

FIG. 3 is a schematic diagram of the internal structure of the utility model.

FIG. 4 is another schematic diagram of the internal structure of the present invention.

FIG. 5 is a perspective view of an output terminal of the present invention.

FIG. 6 is another perspective view of the pressure plate structure for a toaster switch of the present invention.

FIG. 7 is a perspective view of a box body of the present invention.

The accompanying drawings are marked as: pressure plate frame 1, armature piece 2, hinged part 3, hook 4, accommodating cavity 5, snap-in hole 6, snap-in protrusion 7, closed alignment part 8, alignment hole 9, base 10, box body 11, electromagnet 12, input terminal 13, input contact 14, output terminal 15, elastic part 16, output contact 17, elastic sheet 18, inclined section 19, arc section 20, mounting part 21, mounting column 22, assembly groove 23, riveted part 24, alignment column 25, buckle 26, bayonet 27.

Best Mode for Carrying Out the Invention

In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with the embodiments and Figures 1 to 7. The contents mentioned in the implementation modes are not intended to limit the present invention.

See Figures 1 to 7, the pressure plate structure for the toaster switch includes a pressure plate frame 1, an armature piece 2, a hinge portion 3 and a hook 4, the hook 4 is arranged on the upper surface of the pressure plate frame 1, the hinge portion 3 is extended to the rear end of the pressure plate frame 1, and the middle part of the pressure plate frame 1 is provided with a accommodating cavity 5 that penetrates itself, and the armature piece 2 is arranged in the accommodating cavity 5.

The pressure plate frame 1 is provided with two clamping holes 6 , and clamping protrusions 7 are protruded from both sides of the armature plate 2 , and the clamping protrusions 7 are clamped into the clamping holes 6 .

A closed alignment portion 8 is extended from the front end of the pressure plate frame 1 , and an alignment hole 9 is provided on the lower end surface of the closed alignment portion 8 .

A toaster switch comprises the pressure plate structure for a toaster switch as described above, and also comprises a base 10, a box body 11 arranged on the base 10, an electromagnet 12 arranged in the box body 11, and a conductive component arranged in front of the electromagnet 12, wherein the conductive component comprises an input terminal 13 and an output terminal 15, the input terminal 13 is fixed to the base 10, the input terminal 13 is provided with an input contact 14, the output terminal 15 is provided with an elastic part 16 that can be elastically deformed, and the end of the elastic part 16 is provided with an output contact 17, the pressure plate frame 1 is located above the electromagnet 12, the hinge part 3 is hinged to the base 10 so that the pressure plate frame 1 can swing upward or downward relative to the base 10, when the pressure plate frame 1 swings downward, the front end of the pressure plate frame 1 squeezes the elastic part 16 of the output terminal 15, the elastic part 16 is pressed and drives the output contact 17 to move toward the side close to the input contact 14, and the output contact 17 is closed with the input contact 14.

The elastic part 16 is further provided with an elastic sheet 18 , which includes an inclined section 19 and an arcuate section 20 arranged in an arc shape. One end of the inclined section 19 is fixedly connected to the elastic part 16 , and the other end is connected to one end of the arcuate section 20 .

Specifically, during the downward swinging of the platen frame 1, the front end of the platen frame 1 squeezes the inclined section 19, and as the platen frame 1 swings downward, the front end of the platen frame 1 gradually moves toward the arc section 20 and squeezes the arc section 20. The arrangement of the elastic sheet 18 enables both the elastic sheet 18 and the elastic portion 16 to generate elastic deformation force, while effectively reducing the deformation of the elastic sheet 18 and the elastic portion 16, thereby preventing the elastic sheet 18 and the elastic portion 16 from generating elastic fatigue.

More specifically, one end of the elastic piece 18 is fixedly connected to the elastic portion 16 , and the elastic piece 18 is tilted toward one side of the electromagnet 12 .

The output terminal 15 is further provided with a mounting portion 21 , which is connected to the elastic portion 16 . The base 10 is provided with a mounting column 22 , and the mounting portion 21 is arranged on the mounting column 22 .

The mounting column 22 is provided with a mounting groove 23 , and the mounting groove 23 is opened in a vertical direction. The mounting portion 21 is inserted into the mounting groove 23 from top to bottom.

The free end of the mounting portion 21 is connected with a riveting portion 24. The riveting portion 24 enables the wire to be connected to the output terminal 15 by riveting, and the connection is tight and firm.

The output terminal 15 is arranged in an inverted V-shaped structure. Specifically, the output terminal 15 is arranged in an inverted V-shaped structure, the mounting portion 21 and the riveted portion 24 form one side of the inverted V-shaped structure, and the elastic portion 16 and the elastic sheet 18 form the other side of the inverted V-shaped structure. The inverted V-shaped structure design enables the elastic portion 16 to have excellent elastic deformation resilience.

The base 10 is provided with an alignment post 25 that cooperates with the alignment hole 9. When the pressure plate frame 1 is lowered into place, the upper end of the alignment post 25 is inserted into the alignment hole 9 of the alignment portion 8 connected to the pressure plate frame 1, effectively improving the closing accuracy of the input contact 14 and the output contact 17.

The bottom of the box body 11 is provided with a buckle 26 , and the base 10 is provided with a bayonet 27 matched with the buckle 26 .

The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present invention is within the protection scope of the present invention.

Claims

The pressure plate structure for a toaster switch is characterized in that it includes a pressure plate frame, an armature piece, a hinge part and a hook, wherein the hook is arranged on the upper surface of the pressure plate frame, the hinge part is extended at the rear end of the pressure plate frame, and the middle part of the pressure plate frame is provided with a receiving cavity penetrating the pressure plate frame, and the armature piece is arranged in the receiving cavity.
The pressure plate structure for a toaster switch according to claim 1 is characterized in that: the pressure plate frame is provided with two clamping holes, and clamping protrusions are protruding from both sides of the armature plate, and the clamping protrusions are clamped into the clamping holes.
The pressure plate structure for a toaster switch according to claim 1 is characterized in that a closed alignment portion is extended from the front end of the pressure plate frame, and an alignment hole is provided on the lower end surface of the closed alignment portion.
A toaster switch, characterized in that it includes the pressure plate structure for a toaster switch according to any one of claims 1 to 3, and also includes a base, a box body arranged on the base, an electromagnet arranged in the box body, and a conductive component arranged in front of the electromagnet, wherein the conductive component includes an input terminal and an output terminal, the input terminal is fixed to the base, the input terminal is provided with an input contact, the output terminal is provided with an elastic part that can be elastically deformed, and the end of the elastic part is provided with an output contact, the pressure plate frame is located above the electromagnet, the hinge part is hinged to the base so that the pressure plate frame can swing upward or downward relative to the base, when the pressure plate frame swings downward, the front end of the pressure plate frame squeezes the elastic part of the output terminal, the elastic part is pressed to drive the output contact to move toward the side close to the input contact, and the output contact is closed with the input contact.
The toaster switch according to claim 4 is characterized in that: the elastic part is also provided with an elastic sheet, the elastic sheet includes an inclined section and an arcuate section arranged in an arc shape, one end of the inclined section is fixedly connected to the elastic part, and the other end is connected to one end of the arcuate section.
The toaster switch according to claim 4 is characterized in that: the output terminal is also provided with a mounting portion, the mounting portion is connected to the elastic portion, the base is provided with a mounting column, and the mounting portion is arranged on the mounting column.
The toaster switch according to claim 6 is characterized in that: the mounting column is provided with an assembly groove, the assembly groove is opened in a vertical direction, and the mounting portion is inserted into the assembly groove from top to bottom.
The toaster switch according to claim 6, wherein the free end of the mounting portion is connected to a riveted portion.
The toaster switch according to claim 6, wherein the output terminal is arranged in an inverted V-shaped structure.
The toaster switch according to claim 4 is characterized in that: the base is provided with an alignment column matched with the alignment hole, the bottom of the box body is provided with a buckle, and the base is provided with a bayonet matched with the buckle.