Trigger electric switch of circuit board

Abstract

The utility model relates to the technical field of electric switches, and discloses a trigger electric switch of a circuit board, which comprises a shell, a movable rod movably penetrates through the middle part of the top wall of the shell, and a slide rail is fixedly arranged on one side of the upper surface of the shell; a touch opening is formed in the middle of the bottom wall of the shell, a trigger diaphragm is fixedly installed on the side, close to the touch opening, in the shell, and a tension spring a sleeves the outer side of the bottom of the movable rod. Through the arrangement of the pressing blocks, the flanges and the limiting blocks, the top of the movable rod can be pinched through the finger part, the finger part can extrude the pressing blocks on the two sides, the pressing blocks can drive the movable plate to move inwards and the limiting blocks to move synchronously, then force is applied to press the movable rod downwards, the pressing plates extrude the triggering diaphragm, and otherwise, the movable rod is moved upwards, and the pressing blocks are loosened. The limiting block is clamped on the upper side of the shell through the acting force of the tension spring b, the flange is clamped on the lower side of the top wall of the shell, temporary locking is achieved, and compared with an existing mode, an independent anti-maloperation limiting procedure is not needed, and adjustment is easy.

Description

Technical Field

[0001] The utility model relates to the technical field of electric switches, in particular to a trigger electric switch for a circuit board. Background Art

[0002] Trigger switches, as a closed-type electronic device, have been widely used in circuit board equipment. However, since some circuit boards are located without corresponding protection devices, it is very easy to cause accidental touches, resulting in accidental circuit activation.

[0003] After searching (application number: 202322456299.9), it can be learned that a trigger electric switch for a circuit board includes a switch housing, each side wall of the switch housing is provided with a mounting terminal, a cavity is opened in the switch housing, a trigger opening is opened on the bottom surface of the switch housing, a trigger diaphragm is installed at the bottom of the cavity, a trigger mechanism is provided in the cavity, and the vertical position of the trigger diaphragm corresponds to the trigger opening and the trigger mechanism.

[0004] In the process of realizing the present utility model, the inventors found that the following problems existed in the prior art and were not solved: although the device has good anti-maloperation measures, it requires independent adjustment of the limit assembly process before and after use, which is inconvenient to use; and if it needs to be pressed for a long time, it relies on the hand to always limit the position to maintain the position of the movable rod, which is a burden to use and urgently needs to be improved. Therefore, we propose a trigger electric switch for a circuit board. Utility Model Content

[0005] The purpose of the utility model is to provide a trigger electric switch for a circuit board, which solves the problems raised in the background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a trigger electric switch for a circuit board, comprising a housing, a movable rod movably penetrating the middle of the top wall of the housing, and a slide rail fixedly mounted on one side of the upper surface of the housing;

[0007] A trigger opening is provided in the middle of the bottom wall of the housing, a trigger diaphragm is fixedly installed on one side of the housing near the trigger opening, a tension spring a is sleeved on the outer side of the bottom of the movable rod, and the two ends of the tension spring a are fixedly connected to the top inner wall of the housing and the pressure plate respectively;

[0008] A flange is fixedly mounted on one side of the front wall of the movable rod close to the top wall of the shell, and a slot is opened on one side of the movable rod;

[0009] An inner cavity is formed in the top of the movable rod, and pressure blocks are movably passed through both sides of the top of the movable rod, and limit blocks are movably passed through both sides of the middle of the movable rod, and the pressure blocks are fixedly connected to the limit blocks through movable plates;

[0010] When the cam is released, the limit switch is turned on and the cam is in a state of being moved along the cam surface, and the limit switch is turned on and the cam is in a state of being moved along the cam surface, and the limit switch is turned on and the cam is in a state of being moved along the cam surface, and the limit switch is turned on and the cam is in a state of being moved along the cam surface, and the limit switch is turned on and the cam is in a state of being moved along the cam surface, and the limit switch is turned on and the cam is in a state of being moved along the cam surface, and the limit switch is turned on and the cam is in a state of being moved along the cam surface, and the limit switch is turned on and the cam is in a state of being moved along the cam surface, and the limit switch is turned on and the cam is in a state of being moved along the cam surface, and the limit switch is turned on and the cam is in a state of being moved along the cam surface, and the limit switch is turned on and the cam is in a state of being moved along the cam surface, and the limit switch is turned on and the cam is in a state of being moved along the cam surface, and the limit switch is turned on and the cam is in a state of being moved along the cam surface, and the limit switch is turned on and the cam

[0011] As an optional solution of the technical solution of the present application, a slider is provided on one side of the slide rail for movable positioning, an insertion rod is fixedly installed on one side of the slider, and an anti-slip pad is fixedly installed on the top of the slider, which can be used in conjunction with components such as the insertion rod and the slider. When a single press needs to be maintained for a certain period of time, after the movable rod moves down sufficiently, the slider is moved synchronously, and the slider drives the insertion rod to move so that the insertion rod is positioned in the slot, thereby realizing temporary positioning of the movable rod. Compared with always limiting the position by hand, the switch is more user-friendly.

[0012] As an optional solution of the technical solution of the present application, mounting terminals are fixedly installed at the four corners of the shell, and the mounting terminals are "L"-shaped structures. The shell can be connected and fixed on the circuit board through the mounting terminals to ensure the stability of the limit.

[0013] As an optional solution to the technical solution of the present application, an indicator sticker is glued to the side of the upper surface of the shell away from the slide rail, and guiding text is printed on the indicator sticker. Before use, personnel can learn the corresponding operation method from the text on the indicator sticker, and then make full use of the advantages of the switch.

[0014] As an optional solution of the technical solution of the present application, anti-skid pads are fixedly installed on both sides of the movable rod close to the pressure block, and the anti-skid pads can increase friction to prevent slipping during finger pinching.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] 1. The utility model provides a triggering electric switch for a circuit board, which is provided with a pressure block, a flange and a limit block. During the use of the triggering electric switch for the circuit board, the top of the movable rod can be pinched by the fingers, and the fingers can squeeze the pressure blocks on both sides. The pressure block can drive the movable plate to move inward, and the limit blocks move synchronously. Then, force is applied to press the movable rod downward, and the diaphragm is triggered by the pressure plate. The movable rod is moved upward, and the pressure block is released. The force of the tension spring B causes the limit block to be stuck on the upper side of the shell, and the flange to be stuck on the lower side of the top wall of the shell, thereby achieving temporary locking. Compared with the existing method, no independent anti-misoperation limit process is required, and it is easy to adjust.

[0017] 2. The utility model is a trigger electric switch for a circuit board. By providing an insertion rod and a slider, if a single press needs to be maintained for a certain period of time, after the movable rod moves down sufficiently, the slider is moved synchronously. The slider drives the insertion rod to move so that the insertion rod is stuck in the slot, which can realize temporary limiting of the movable rod. Compared with the constant limiting maintenance by hand, the switch is more user-friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Other features, objects and advantages of the present invention will become more apparent from the detailed description of the non-limiting embodiments with reference to the following drawings:

[0019] Figure 1 This is a schematic diagram of the overall main cross-sectional structure of a trigger electric switch of a circuit board of the present invention;

[0020] Figure 2 This is a schematic cross-sectional view of a movable rod portion of a triggering electric switch of a circuit board according to the present invention;

[0021] Figure 3 The utility model is a schematic structural diagram of the slide rail portion of a circuit board triggering an electric switch.

[0022] In the figure: 1. Housing; 11. Trigger opening; 12. Trigger diaphragm; 13. Mounting terminal; 14. Indicator sticker; 2. Movable rod; 21. Flange; 22. Tension spring a; 23. Pressure plate; 24. Slot; 3. Pressure block; 31. Inner cavity; 32. Movable plate; 33. Limit block; 4. Slide rail; 41. Slider; 42. Anti-slip pad; 43. Insert rod; 5. Cross bar; 51. Tension spring b. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] See also Figure 1-3The utility model provides a technical solution: a trigger electric switch for a circuit board, comprising a shell 1, with mounting terminals 13 fixedly installed at the four corners of the shell 1, and the mounting terminals 13 are of an "L"-shaped structure, and the shell 1 can be connected and fixed to the circuit board through the mounting terminals 13 to ensure the stability of the limit, and a movable rod 2 is movably penetrated through the middle of the top wall of the shell 1, and a slide rail 4 is fixedly installed on one side of the upper surface of the shell 1, and an indicator sticker 14 is glued to the side of the upper surface of the shell 1 away from the slide rail 4 by glue, and guiding text is printed on the indicator sticker 14. Before use, the personnel can know the corresponding operation method through the text on the indicator sticker 14, and can make full use of the advantages of the switch; a touch opening 11 is opened in the middle of the bottom wall of the shell 1, and a trigger diaphragm 12 is fixedly installed on the side of the shell 1 near the touch opening 11, and a pull sleeve is provided on the outer side of the bottom of the movable rod 2 Spring a22, and the two ends of the tension spring a22 are fixedly connected to the top inner wall of the shell 1 and the pressure plate 23 respectively; a flange 21 is fixedly installed on the side of the front wall of the movable rod 2 close to the top wall of the shell 1, and a slot 24 is opened on one side of the movable rod 2; an inner cavity 31 is opened at the top of the movable rod 2, and pressure blocks 3 are movably penetrated on both sides of the top of the movable rod 2, and anti-slip pads are fixedly installed on both sides of the movable rod 2 close to the pressure block 3, which can increase friction by the anti-slip pads to prevent slipping during finger pinching. The limit blocks 33 are movably penetrated on both sides of the middle part of the movable rod 2, and the pressure block 3 is fixedly connected to the limit block 33 through the movable plate 32; a cross bar 5 is movably penetrated on both sides of the middle part of the movable plate 32, and the cross bar 5 is fixedly connected to the inner wall of the movable rod 2, and a tension spring b51 is sleeved on the outside of both ends of the cross bar 5, and the two ends of the tension spring b51 are fixedly connected to the movable plate 32 and the inner wall of the movable rod 2 respectively.

[0025] In this technical solution, the pressure block 3, flange 21 and limit block 33 and other components can be used in combination. During the use of the trigger electric switch of the circuit board, the top of the movable rod 2 can be pinched by the fingers, and the fingers can squeeze the pressure blocks 3 on both sides. The pressure block 3 can drive the movable plate 32 to move inward, and the limit block 33 moves synchronously. Then, force is applied to press the movable rod 2 downward, and the trigger diaphragm is squeezed through the pressure plate 23. The movable rod 2 is moved upward, and the pressure block 3 is released. The force of the tension spring b51 causes the limit block 33 to be positioned on the upper side of the shell 1, and the flange 21 to be positioned on the lower side of the top wall of the shell 1, to achieve temporary locking. Compared with the existing method, no independent anti-misoperation limit process is required, and it is easy to adjust.

[0026] In some technical solutions, a slider 41 is movably positioned on one side of the slide rail 4 , an insertion rod 43 is fixedly installed on one side of the slider 41 , and an anti-slip pad 42 is fixedly installed on the top of the slider 41 .

[0027] In this technical solution, the rod 43 and the slider 41 and other components can be used together. If a single press needs to be maintained for a certain period of time, after the movable rod 2 moves down sufficiently, the slider 41 is moved synchronously. The slider 41 drives the rod 43 to move, so that the rod 43 is stuck in the slot 24, which can achieve temporary limitation of the movable rod 2. Compared with the constant limit maintenance by hand, the switch is more user-friendly.

[0028] Working principle: It should be noted that the present invention is a trigger electric switch for a circuit board. The components are all universal standard parts or components known to those skilled in the art. The structure and principle thereof can be known to those skilled in the art through technical manuals or conventional test methods.

[0029] When a trigger electric switch for a circuit board is used, the switch housing 1 is mounted through the mounting terminal 13 and the mounting terminal 13 is connected to the circuit board by welding. After the switch is welded to the circuit board, the trigger diaphragm 12 can be brought into contact with the two ends of the circuit board through the pressing plate 23, thereby connecting the circuit. When the hand is released, the circuit is disconnected.

[0030] By providing the pressing block 3, the flange 21 and the limit block 33, during the use of the trigger electric switch of the circuit board, the top of the movable rod 2 can be pinched by the fingers, and the pressing blocks 3 on both sides can be squeezed by the fingers. The pressing block 3 can drive the movable plate 32 to move inward, and the limit block 33 moves synchronously. Then, force is applied to press the movable rod 2 downward, and the trigger diaphragm is squeezed through the pressure plate 23. In turn, the movable rod 2 is moved upward, and the pressing block 3 is released. The force of the tension spring b51 causes the limit block 33 to be stuck on the upper side of the shell 1, and the flange 21 It is located on the lower side of the top wall of the shell 1 to achieve temporary locking. Compared with the existing method, it does not require an independent anti-misoperation limit process and is easy to adjust. By providing an insertion rod 43 and a slider 41, if a single press needs to be maintained for a certain period of time, after the movable rod 2 moves down sufficiently, the slider 41 is moved synchronously, and the slider 41 drives the insertion rod 43 to move, so that the insertion rod 43 is located in the slot 24, which can achieve temporary limitation of the movable rod 2. Compared with the constant limit maintenance by hand, the switch is more user-friendly.

Claims

1. A trigger electric switch for a circuit board, characterized in that: It comprises a shell (1), a movable rod (2) movably penetrates the middle of the top wall of the shell (1), and a slide rail (4) is fixedly mounted on one side of the upper surface of the shell (1); A trigger opening (11) is provided in the middle of the bottom wall of the shell (1), a trigger diaphragm (12) is fixedly installed on one side of the shell (1) close to the trigger opening (11), a tension spring a (22) is sleeved on the outer side of the bottom of the movable rod (2), and the two ends of the tension spring a (22) are respectively fixedly connected to the top inner wall of the shell (1) and the pressure plate (23); A flange (21) is fixedly mounted on one side of the front wall of the movable rod (2) close to the top wall of the shell (1), and a slot (24) is provided on one side of the movable rod (2); An inner cavity (31) is provided at the top of the movable rod (2), pressure blocks (3) are movably penetrated on both sides of the top of the movable rod (2), and limiting blocks (33) are movably penetrated on both sides of the middle of the movable rod (2), and the pressure blocks (3) are fixedly connected to the limiting blocks (33) via a movable plate (32); A cross bar (5) is movably passed through both sides of the middle of the movable plate (32), and the cross bar (5) is fixedly connected to the inner wall of the movable rod (2). Tension springs b (51) are sleeved on the outer sides of both ends of the cross bar (5), and the two ends of the tension spring b (51) are respectively fixedly connected to the movable plate (32) and the inner wall of the movable rod (2).

2. A trigger electric switch for a circuit board according to claim 1, characterized in that: A sliding block (41) is movably positioned in one side of the slide rail (4), an insert rod (43) is fixedly mounted on one side of the sliding block (41), and an anti-slip pad (42) is fixedly mounted on the top of the sliding block (41).

3. A trigger electric switch for a circuit board according to claim 1, characterized in that: The four corners of the housing (1) are all fixedly mounted with mounting terminals (13), and the mounting terminals (13) are of an "L"-shaped structure.

4. A trigger electric switch for a circuit board according to claim 1, characterized in that: An indicator sticker (14) is glued to a side of the upper surface of the housing (1) away from the slide rail (4), and guiding text is printed on the indicator sticker (14).

5. The trigger electric switch of a circuit board according to claim 1, characterized in that: Anti-slip pads are fixedly mounted on both sides of the movable rod (2) close to the pressing block (3).

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