CN111599625A - Thin type switch with stroke amplification function - Google Patents

Abstract

The invention provides a thin switch with a stroke amplification function, and belongs to the technical field of electrical accessories. The switch includes switch plate and end box, be connected for rotating between switch plate one end and the end box, the other end is the free end, be equipped with the pressing means who is used for pressing the control switch break-make in the end box, be equipped with the pinch bar between switch plate and the end box, the pinch bar is including pressing end and butt end and being located the axis between pressing end and the butt end that is located the pinch bar both ends respectively, be connected for rotating between axis and the switch plate, the axis links to each other with the switch plate and forms first fulcrum, the butt end forms the second fulcrum with end box contact, press end and pressing means contact, the free end is pressed and is driven first fulcrum and is followed the motion of pressing, press the end and rotate along the second fulcrum and press pressing means with the control switch break-make. The invention has the advantages that the switch is more beautiful by adopting the structure, and the invention is used for controlling the on-off of the circuit.

Description

A Slim Switch With Stroke Amplification

【Technical field】

The invention relates to a slim switch with a stroke amplification function, belonging to the technical field of electrical accessories.

【Background technique】

At present, wall switches have been widely used in people's daily life. The existing wall switches often adopt a rocker switch structure. The rocker switch includes a rocker and a panel. Users can turn on or off the rocker switch by pressing the rocker. , but after the rocker switch is turned on or off, one of the two ends of the rocker will be raised and protruded, and the raised end will have a tilted angle relative to the panel. When the size of the rocker switch needs to be increased, due to the tilt The tilting angle of the board remains unchanged, so that the size of the two ends of the rocker also needs to be increased, which leads to an increase in the overall thickness of the rocker switch, which makes the size of the rocker switch relative to the protruding part of the wall larger, which affects the appearance of the rocker switch. .

[Content of the invention]

The technical problem to be solved by the present invention is to provide a slim switch with a stroke amplification function, which makes the switch more beautiful.

In order to solve the above technical problems, the slim switch with stroke amplification function of the present invention includes a switch plate and a bottom box, one end of the switch plate and the bottom box are rotatably connected, and the other end is a free end. There is a pressing mechanism for pressing the switch on and off, a pry bar is arranged between the switch plate and the bottom box, and the pry bar includes a pressing end and abutting end respectively located at both ends of the pry bar, and a pressing end and abutting end respectively. The central axis between the central axis and the switch plate is a rotational connection, the central axis is connected with the switch plate to form a first fulcrum, the abutting end contacts with the bottom box to form a second fulcrum, the The pressing end is in contact with the pressing mechanism, the free end presses and drives the first fulcrum to move in the pressing direction, and the pressing end rotates along the second fulcrum to press the pressing mechanism to control the switch on and off.

After adopting the above structure, firstly, the switch includes a switch board and a bottom box. One end of the switch board is connected with the bottom box for rotation, and the other end is a free end, so that the free end of the switch board can rotate relative to the bottom box. The bottom box is provided with a pressing mechanism for pressing and controlling the on-off of the switch. The pressing mechanism is a device easily thought of by those skilled in the art, such as a button switch, etc., so that the user can control the on-off of the switch by pressing. A pry bar is arranged between the switch plate and the bottom box, and the pry bar includes a pressing end and abutting end respectively located at both ends of the pry bar, and a central shaft located between the pressing end and the abutting end, and the central shaft is connected to the abutting end. The switch plates are connected in rotation, so that the pressing end and the abutting end can rotate relative to the switch plate through the central axis, and the central axis is connected with the switch plate to form a first fulcrum, and the abutting end Contact with the bottom box to form a second fulcrum, the first fulcrum refers to the rotation center of the central axis relative to the switch board, the second fulcrum refers to the point where the abutting end contacts the bottom box, the pressing end and the pressing mechanism contact, the free end presses and drives the first fulcrum to move in the pressing direction, the pressing end rotates the pressing and pressing mechanism along the second fulcrum to control the switch on and off, that is, the pressing end can rotate relative to the abutting end and press the pressing mechanism, so that The pry bar can exert a force on the pressing mechanism, so that the pressing end can rotate the pressing and pressing mechanism relative to the abutting end to realize stroke enlargement.

Secondly, in the prior art, when the size of the rocker switch needs to be increased, the sizes of both ends of the rocker switch also need to be increased, so that the size of the protruding part of the rocker switch relative to the wall is larger, which affects the performance of the rocker switch. Beautiful, with the above structure, the user controls the on-off of the switch by pressing the free end of the switch plate. When the size of the switch needs to be increased, because the pry bar can realize the stroke enlargement, it is not necessary to increase the size of the switch plate, and at the same time When the size of the pry bar is increased to increase the magnification of the stroke, since the pry bar is located between the bottom box and the switch board, it is only necessary to bury the bottom box deeper in the wall without increasing the thickness of the switch board, making the switch relatively The size of the protruding part on the wall does not need to be changed, so that the switch is more beautiful, and the switch board can be used as the outer shielding shell of the switch to cover the internal structure of the switch, making the switch more beautiful.

Based on the above structure, one end of the switch plate and the bottom box are connected in rotation. When the user presses the free end of the other end of the switch plate, the switch plate rotates around the end connected to the bottom box and drives the first fulcrum of the crowbar relative to the bottom box. The end of the switch plate connected to the bottom box moves, and the pry bar drives the pressing end to move and press the pressing mechanism, so that the pressing end can be displaced under the pressing action of the switch plate, and the abutting end contacts with the bottom box to form a second fulcrum, and the pressing end Rotate the pressing and pressing mechanism along the second fulcrum, that is, the bottom box prevents the pry bar from driving the abutting end to move, the pressing end can rotate relative to the abutting end and the pressing and pressing mechanism is displaced, so that the pressing end can be displaced again, so as to realize The stroke is enlarged, so that the switch board can control the on-off of the switch without a large displacement, so that the switch can realize micro-motion control, and the size of the protruding part of the switch relative to the wall can be smaller, so that the switch can be thin switch.

Based on the above structure, the on-off of the switch can be smoothly controlled by the switch plate without a large displacement by the stroke enlargement of the crowbar. In order to increase the multiple of the switch stroke enlargement, the length and/or contact of the pressing end can be changed. Change the length of the end and/or change the position of the central shaft to change the distance between the pressing end and the abutting end and the central shaft and/or change the position where the central shaft is connected to the switch plate, so that the pry bar can realize the stroke enlargement to adapt to different environments , so that the applicable range of the switch can be increased. At the same time, the overall thickness of the switch increases when the size of the crowbar increases. By changing the depth of the bottom box embedded in the wall, the thickness of the protruding part of the switch relative to the wall remains unchanged, thereby optimizing the switch. The structure enables the switch to maintain a beautiful appearance and at the same time have a larger scope of application.

Preferably, the pry bar includes a first rod member and a second rod member, the first rod member and the second rod member intersect and the intersection point is located between the end of the switch plate connected to the bottom box and the free end .

Preferably, the pressing mechanism includes a pressing member, a rocker arm for rotating under the pressure of the pressing member, a moving contact piece and a moving contact, the bottom box is provided with a static contact, and the pressing end is connected to the pressing end. The movable contact piece is in rotational connection with the bottom box, both ends of the movable contact piece are provided with movable contacts, one end of the rocker arm is rotatably connected with the bottom box, and the other end is connected with the bottom box. The movable contact pieces are in contact, and when the rocker arm rotates, it drives the movable contact piece to rotate relative to the bottom box, and when the movable contact piece rotates, it drives the movable contacts at both ends to contact or move away from the stationary contact.

Preferably, the pressing member is provided with a first guiding inclined surface, the rocker arm is provided with a second guiding inclined surface parallel to the first guiding inclined surface, and the pressing member contacts and presses the second guiding inclined surface through the first guiding inclined surface when moving. The guiding slope drives the rocker arm to rotate.

Preferably, both ends of the pressing member perpendicular to the pressing direction are provided with first guiding inclined surfaces, and both ends of the rocker arm perpendicular to the pressing direction are provided with second guiding inclined surfaces.

Preferably, one end of the first guide slope is connected to the pressing member, the other end is the free end of the first slope, one end of the second guide slope is connected to the rocker arm, and the other end is the free end of the second slope. The distance between the first inclined free ends of the ends is equal to the distance between the second inclined free ends of the two ends of the rocker arm.

Preferably, the bottom box is provided with a return spring for restoring the pressing member, and the direction of elastic deformation of the returning spring is the same as the direction of the pressure exerted by the pressing end on the pressing member.

Preferably, the pressing member includes a pressing plate and a sliding block, the pressing plate is in contact with the pressing end, the sliding block is in contact with the rocker arm, and the sliding block is perpendicular to the pressing end to the pressing member. The direction of the applied pressure slides relative to the pressing plate, and the bottom box is provided with a sliding spring for returning the sliding block.

Preferably, the pressing mechanism is a button switch.

Preferably, the bottom box includes a mounting bracket, the switch plate is provided with a buckle, the mounting bracket is provided with a cylindrical protrusion for engaging with the buckle, and the switch plate passes through the buckle. The buckle rotates relative to the cylindrical protrusion and realizes the relative rotation between the bottom box.

These features and advantages of the present invention will be disclosed in detail in the following detailed description and accompanying drawings.

【Description of drawings】

The present invention will be described in further detail below in conjunction with the accompanying drawings, wherein:

FIG. 1 is a schematic diagram of a switch in the first embodiment;

Fig. 2 is the schematic diagram of the crowbar in the switch of embodiment one;

3 is a schematic diagram of a switch according to Embodiment 1 when the first guide slope is in contact with the second guide slope;

4 is a schematic diagram of a switch in the first embodiment when the movable contact contacts the stationary contact after the rocker arm rotates;

Fig. 5 is a partial enlarged view of Fig. 4;

Fig. 6 is the schematic diagram of the mounting frame in the switch of embodiment one;

FIG. 7 is a schematic diagram of a switch board in the switch of the first embodiment.

【Detailed ways】

The technical solutions of the embodiments of the present invention will be explained and described below with reference to the accompanying drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the examples in the implementation manner, other examples obtained by those skilled in the art without creative work shall fall within the protection scope of the present invention.

In the following description, the appearance of terms such as "inner", "outer", "upper", "lower", "left", "right" etc. to indicate orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, It is only for the convenience of describing the embodiments and simplifying the description, rather than indicating or implying that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present invention.

Example 1:

As shown in FIG. 1 to FIG. 7 , the preferred structure of the slim switch with the stroke amplification function in this embodiment includes a switch plate 1 and a bottom box 2 . One end of the switch plate 1 is connected with the bottom box 2 in rotation, and the other One end is a free end, the bottom box 2 is provided with a pressing mechanism for pressing the on-off of the control switch, a pry bar 3 is arranged between the switch plate 1 and the bottom box 2, and the pry bar 3 includes a pry bar located at a 3. The pressing end 4 and the abutting end 5 at both ends and the central shaft 6 located between the pressing end 4 and the abutting end 5. The central shaft 6 and the switch board 1 are connected in rotation, and the central shaft 6 It is connected with the switch board 1 to form a first fulcrum, the abutting end 5 is in contact with the bottom box 2 to form a second fulcrum, the pressing end 4 is in contact with the pressing mechanism, and the free end presses and drives the first fulcrum to move along the pressing direction, The pressing end 4 rotates the pressing and pressing mechanism along the second fulcrum to control the on-off of the switch.

After adopting the above structure, firstly, the switch includes a switch board 1 and a bottom box 2. One end of the switch board 1 and the bottom box 2 are rotatably connected, and the other end is a free end, so that the free end of the switch board 1 can be relative to the bottom box 2. The box 2 rotates, and the bottom box 2 is provided with a pressing mechanism for pressing the on-off of the control switch. The pressing mechanism is a device easily thought of by those skilled in the art, such as a button switch, etc., so that the user can control the switch by pressing On/off of the switch, a pry bar 3 is arranged between the switch plate 1 and the bottom box 2, and the pry bar 3 includes a pressing end 4 and abutting end 5 respectively located at both ends of the pry bar 3 and a pressing end 4 and abutting end 5 respectively. The central axis 6 between the terminals 5, the central axis 6 and the switch board 1 are connected in rotation, so that the pressing end 4 and the abutting end 5 can be rotated relative to each other through the central axis 6 and are relatively opposite to each other through the central axis 6. When the switch board 1 rotates, the central shaft 6 is connected with the switch board 1 to form a first fulcrum, the abutting end 5 contacts with the bottom box 2 to form a second fulcrum, and the first fulcrum refers to the relative relationship between the central shaft 6 and the switch The rotation center of the plate 1, the second fulcrum refers to the point where the abutting end 5 contacts the bottom box 2, the pressing end 4 is in contact with the pressing mechanism, and the pressing of the free end drives the first fulcrum to move in the pressing direction, so The pressing end 4 rotates the pressing and pressing mechanism along the second fulcrum to control the switch on and off, that is, the pressing end 4 can rotate relative to the abutting end 5 and press the pressing mechanism, so that the pry bar 3 can exert a force on the pressing mechanism, so that the pressing end 4. The pressing and pressing mechanism can be rotated relative to the abutting end 5 to realize stroke enlargement.

Secondly, in the prior art, when the size of the rocker switch needs to be increased, the sizes of both ends of the rocker switch also need to be increased, so that the size of the protruding part of the rocker switch relative to the wall is larger, which affects the performance of the rocker switch. Beautiful, with the above structure, the user controls the on-off of the switch by pressing the free end of the switch plate 1. When the size of the switch needs to be increased, because the pry bar 3 can realize the stroke enlargement, there is no need to increase the switch plate 1. At the same time, when the size of the pry bar 3 is increased to increase the magnification of the stroke, since the pry bar 3 is located between the bottom box 2 and the switch board 1, it is only necessary to bury the bottom box 2 deeper in the wall, no need to increase The thickness of the switch board 1 makes it unnecessary to change the size of the protruding part of the switch relative to the wall, so that the switch is more beautiful. At the same time, the switch board 1 can be used as the outer shielding shell of the switch to cover the internal structure of the switch, making the switch more beautiful. beautiful.

Based on the above structure, one end of the switch plate 1 and the bottom box 2 are connected in rotation. When the user presses the free end of the other end of the switch plate 1, the switch plate 1 rotates around the end connected to the bottom box 2 and drives the pry bar 3 The first fulcrum of the switch plate 1 moves relative to the end connected with the bottom box 2, and the pry bar 3 drives the pressing end 4 to move and press the pressing mechanism, so that the pressing end 4 can be displaced under the pressing action of the switch plate 1. The end 5 is in contact with the bottom box 2 to form a second fulcrum, and the pressing end 4 rotates along the second fulcrum to press the pressing mechanism, that is, the bottom box 2 hinders the pry bar 3 from driving the abutting end 5 to move, and the pressing end 4 can occur relative to the abutting end 5 Rotate and press the pressing mechanism to cause displacement, so that the pressing end 4 can be displaced again, thereby realizing stroke amplification, so that the switch plate 1 can control the on-off of the switch without a large displacement, so that the switch can realize micro-motion control, At the same time, the size of the protruding part of the switch relative to the wall surface can be small, so that the switch can be a slim switch.

Based on the above structure, the on-off of the switch can be smoothly controlled by the switch board 1 without a large displacement by the stroke enlargement of the crowbar 3. In order to increase the multiple of the switch stroke enlargement, the length and the length of the pressing end 4 can be changed. / or change the length of the abutting end 5 and / or change the position of the central shaft 6 to change the distance between the pressing end 4 and the abutting end 5 and the central shaft 6 and / or change the position where the central shaft 6 is connected to the switch board 1 , The pry bar 3 can realize stroke enlargement to adapt to different environments, thereby increasing the applicable scope of the switch. At the same time, when the size of the pry bar 3 increases, the overall thickness of the switch increases, and the switch can be made by changing the depth of the bottom box 2 embedded in the wall. The thickness of the protruding part relative to the wall remains unchanged, thereby optimizing the switch structure, so that the switch can maintain a beautiful appearance and have a larger application range.

The contact between the pressing end 4 and the pressing mechanism means that the pressing end 4 is always in contact with the pressing mechanism, that is, when pressing or not, the pressing end 4 is in contact with the pressing mechanism.

In addition, when pressing, the pressing end 4 rotates the pressing and pressing mechanism relative to the abutting end 5, and the abutting end 5 slides on the surface in contact with the bottom box 2, and the surface of the abutting end 5 in contact with the bottom box 2 can be contacted with the bottom box 2. The switch plate 1 may be parallel or not, as long as the pressing end 4 can rotate along the second fulcrum to press the pressing mechanism.

In order to enable the pressing end 4 to rotate the pressing and pressing mechanism relative to the abutting end 5, in this embodiment, preferably, the pry bar 3 includes a first bar and a second bar, and the first bar intersects with the second bar and The point of intersection is located between the end of the switch plate 1 connected to the bottom box 2 and the free end, that is, the angle between the first rod and the second rod can be an acute angle, a right angle or an obtuse angle, and only the pressing end needs to be ensured. 4. The pressing and pressing mechanism can be rotated along the second fulcrum. The first rod and the second rod are connected by the central axis 6, and the central axis 6 is located at the intersection of the first rod and the second rod.

In order to enable the pressing mechanism to control the on-off of the switch, in this embodiment, preferably, the pressing mechanism includes a pressing member, a rocker arm 10 for rotating under the pressure of the pressing member, a movable contact piece 11 and a movable contact 12 . The bottom box is provided with a static contact 9, the pressing end 4 is in contact with the pressing piece, the movable contact piece 11 and the bottom box are connected in rotation, and both ends of the movable contact piece 11 are provided with moving contacts Point 9, one end of the rocker arm 10 is connected with the bottom box 2 for rotation, and the other end is in contact with the movable contact piece 11. When the rocker arm 10 rotates, it drives the movable contact piece 11 to rotate relative to the bottom box 2, and the said rocker arm 10 rotates. When the movable contact piece 11 rotates, it drives the movable contacts 12 at both ends to contact or move away from the stationary contact 9. With this structure, the rocker arm 10 rotates relative to the bottom box 2 under the pressing force of the pressing member, and passes through the Pressing the moving contact piece 11 drives the moving contact piece 11 to rotate, and when the moving contact piece 11 rotates, it drives the moving contacts 12 at both ends of the moving contact piece 11 to contact or move away from the stationary contact 9 to realize the on-off of the switch.

In order to enable the pressing member to press and control the rotation of the rocker arm 10, in this embodiment, preferably, the pressing member is provided with a first guiding inclined surface, and the rocker arm 10 is provided with a second guiding inclined surface parallel to the first guiding inclined surface. When the pressing piece moves, the first guiding inclined surface contacts and presses the second guiding inclined surface to drive the rocker arm 10 to rotate. The pressure exerted by the two guide slopes can be decomposed into a force along the pressing direction and a force perpendicular to the pressing direction. Under the force of the guiding inclined surface, the pressing member can move along the direction perpendicular to the pressing direction under the reaction force of the second guiding inclined surface.

In order to enable the pressing member to control the opening and closing of the switch, in this embodiment, preferably, both ends of the pressing member perpendicular to the pressing direction are provided with first guiding inclined planes, and both ends of the rocker arm 10 are perpendicular to the pressing direction. A second guide slope is provided, and the pressing member contacts the second guide slope at one end of the rocker arm 10 through the first guide slope at one end to control the rocker arm 10 to rotate in the forward direction, and the control switch is turned on. The guide slope contacts the second guide slope on the other end of the rocker arm 10 to control the rocker arm 10 to rotate in the reverse direction, and the control switch is turned off. When the rocker arm 10 is rotated in this direction, the switch can be controlled to be closed, so that the pressing member can control the opening and closing of the switch.

In order to prevent the second guide slopes at both ends of the rocker arm 10 from limiting the position of the first guide slopes at both ends of the pressing member and the first guide slopes at both ends of the pressing member can contact the second guide slopes at both ends of the rocker arm 10 to control the rotation of the rocker arm 10, In this embodiment, preferably, one end of the first guide slope is connected to the pressing member, the other end is the free end of the first slope, one end of the second guide slope is connected to the rocker arm 10, and the other end is the free end of the second slope. The distance between the free ends of the first inclined planes at both ends of the piece is equal to the distance between the free ends of the second inclined planes at both ends of the rocker arm 10, so that when the first guide slope at one end of the pressing piece contacts the second guide slope at one end of the rocker arm 10, due to The reaction of the second guide slope to the first guide slope causes the pressing member to move along this end. At this time, the pressing member is displaced in the pressing direction, the rocker arm 10 does not move, and the first guiding slope at the other end of the pressing member moves along with the pressing member. move and move into the grooves between the second guide slopes at both ends of the rocker arm 10, so as to prevent the second guide slopes at both ends of the arm from restricting the movement of the pressing member to the first guide slopes at both ends of the pressing member. , the pressing member is reset under the action of the sliding spring 14, and the distance between the free ends of the first inclined plane at both ends of the pressing member is equal to the distance between the free ends of the second inclined plane at both ends of the rocker arm 10, so that the other end of the pressing member is reset Afterwards, it can also contact the second guide slope at the other end of the rocker arm 10 to control the reverse rotation of the rocker arm 10, so as to prevent the second guide slopes at both ends of the rocker arm 10 from being limited by the first guide slopes at both ends of the pressing member and the two sides of the pressing member. Both the first guide slopes at the ends can be in contact with the second guide slopes at both ends of the rocker arm 10 to control the rocker arm 10 to rotate.

In order to enable the pressing member to be reset after being pressed, in this embodiment, preferably, the bottom box 2 is provided with a return spring 13 for restoring the pressing member. The direction of the applied pressure is the same, and the pressing member can be reset in the pressing direction through the return spring 13, so that the pressing member can be repeatedly pressed to control the on-off of the switch, thereby optimizing the structure and making the switch work better.

In order to optimize the structure of the pressing member, as shown in FIG. 5 , in this embodiment, preferably, the pressing member includes a pressing plate 7 and a sliding block 8 , the pressing plate 7 is in contact with the pressing end 4 , and the sliding block 8 is in contact with the sliding block 8 . The rocker arm 10 is in contact, and the slider 8 slides relative to the pressing plate 7 along the direction perpendicular to the pressure exerted by the pressing end 4 on the pressing member. The sliding spring 14, the sliding block 8 is reset by the sliding spring 14, so that the pressing member can contact the second guiding slope at both ends of the rocker arm 10 through the first guide slope at both ends to control the rotation of the rocker arm 10 and then control the on-off of the switch, thereby Optimize the mechanism of the pressing piece, so that the switch can work better.

In order to optimize the structure of the switch, as shown in FIG. 6 and FIG. 7 , in this embodiment, preferably, the bottom box 2 includes a mounting bracket 15 , the switch plate 1 is provided with a buckle 16 , and the mounting bracket 15 is provided with a mounting bracket 15 for The cylindrical protrusion 17 engaged with the buckle 16, the switch board 1 rotates relative to the cylindrical protrusion 17 through the buckle 16 to achieve relative rotation with the bottom box 2, and is packaged by the mounting frame 15 Bottom box 2, so that the internal structure of the bottom box 2 can be covered by the mounting frame 15, so that the switch is more beautiful, and the switch board 1 can be realized relative to the bottom box 2 by the way of engaging the buckle 16 and the cylindrical protrusion 17. The rotary connection is also detachable relative to the bottom box 2. When the switch plate 1 is damaged, only the switch plate 1 needs to be replaced, thereby optimizing the structure of the switch.

Embodiment 2:

The difference between this embodiment and the first embodiment is that in this embodiment, the pressing mechanism is a button switch, and the pressing end presses the button switch to realize the on-off of the switch. The switch that connects or disconnects the contact and the static contact and realizes circuit switching adopts this structure, the structure is simple, and the processing is convenient. This embodiment can also achieve the technical effect of the first embodiment.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Those skilled in the art should understand that the present invention includes but is not limited to the drawings and the descriptions in the above specific embodiments. content. Any modifications that do not depart from the functional and structural principles of the present invention are intended to be included within the scope of the claims.

Claims (10)

1. A slim switch with a stroke amplification function, comprising a switch plate and a bottom box, characterized in that: one end of the switch plate and the bottom box are rotatably connected, and the other end is a free end, and the bottom box is inside. There is a pressing mechanism for pressing the switch on and off, and a pry bar is arranged between the switch plate and the bottom box. The central axis between the ends, the central axis and the switch plate are connected in rotation, the central axis is connected with the switch plate to form a first fulcrum, the abutting end is in contact with the bottom box to form a second fulcrum, so The pressing end is in contact with the pressing mechanism, the free end presses and drives the first fulcrum to move along the pressing direction, and the pressing end rotates along the second fulcrum to press the pressing mechanism to control the switch on and off. 2 . The slim switch with stroke amplification function according to claim 1 , wherein the pry bar comprises a first rod and a second rod, the first rod and the second rod The pieces intersect and the intersection is located between the end of the switch plate connected to the bottom box and the free end. 3 . The slim switch with stroke amplification function according to claim 1 , wherein the pressing mechanism comprises a pressing member, a rocker arm for rotating under the pressure of the pressing member, and a movable contact piece. 4 . and movable contact, the bottom box is provided with a static contact, the pressing end is in contact with the pressing piece, the movable contact piece and the bottom box are connected in rotation, and both ends of the movable contact piece are provided with There is a moving contact, one end of the rocker arm is connected with the bottom box for rotation, and the other end is in contact with the moving contact piece. When the rocker arm rotates, it drives the moving contact piece to rotate relative to the bottom box, and the moving contact piece rotates At the same time, it drives the moving contacts at both ends to contact or move away from the static contacts. 4 . The slim switch with a stroke amplification function according to claim 3 , wherein the pressing member is provided with a first guiding inclined surface, and the rocker arm is provided with a first guiding inclined surface parallel to the first guiding inclined surface. 5 . The second guiding inclined surface of the pressing member drives the rocker arm to rotate through the first guiding inclined surface contacting and pressing the second guiding inclined surface when the pressing piece moves. 5 . The slim switch with stroke amplification function according to claim 4 , wherein both ends of the pressing member perpendicular to the pressing direction are provided with first guiding slopes, and the rocker arm is arranged along the direction 5 . Both ends perpendicular to the pressing direction are provided with second guide slopes. 6 . The slim switch with stroke amplification function according to claim 5 , wherein one end of the first guiding slope is connected to the pressing member, the other end is the free end of the first slope, and the second One end of the guiding inclined surface is connected to the rocker arm, and the other end is the free end of the second inclined surface. 7. A slim switch with a stroke amplification function according to claim 3, wherein the bottom box is provided with a return spring for restoring the pressing member, and the direction of elastic deformation of the return spring is The direction of the pressure applied by the pressing end to the pressing member is the same. 8 . The slim switch with stroke amplification function according to claim 3 , wherein the pressing member comprises a pressing plate and a slider, the pressing plate is in contact with the pressing end, and the sliding The block is in contact with the rocker arm, the sliding block slides relative to the pressing plate in a direction perpendicular to the pressure exerted by the pressing end on the pressing member, and a sliding spring for restoring the sliding block is provided in the bottom box . 9 . The slim switch with stroke amplification function according to claim 1 , wherein the pressing mechanism is a push button switch. 10 . 10 . The slim switch with stroke amplification function according to claim 1 , wherein the bottom box comprises a mounting bracket, the switch plate is provided with a buckle, and the mounting bracket is provided with a clasp. 11 . With respect to the cylindrical protrusion that is engaged with the buckle, the switch plate is rotated relative to the cylindrical protrusion through the buckle to achieve relative rotation between the bottom box and the bottom box.

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