Switch apparatus and making and usage method thereof
The technology of a switch device and a switch box is applied in the direction of cleaning methods using liquids, chemical instruments and methods, and electric switches. The effect of increasing sensitivity
Active Publication Date: 2011-10-05
香港尚德-富佑捷有限公司 +1
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- Abstract
- Description
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- Application Information
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Problems solved by technology
However, due to frequent use of the micro switch, it is easy to be damaged due to frequent use or oxidation, and the contact reset force of a single micro switch is small, and sometimes the use effect is not ideal
Method used
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Embodiment Construction
[0045] The following describes the embodiments of the present invention in further detail in conjunction with the accompanying drawings;
[0046] figure 1 It is a perspective view of the switch device of the present invention and its manufacturing and use method when the switch knob is in the closed state, such as figure 1 As shown, a switch device includes a switch knob 1, a lever 2, a micro switch 3, an overflow valve 4, a pump head 5, a micro switch box 6, and a housing 7, wherein the micro switch 3 is fixed in On the inner wall of the bottom of the micro switch box 6; one end of the overflow valve 4 is connected with the pump head 5, and the other end has an overflow valve rod 41; the switch knob 1 is connected with a connecting rod on the inner side of the housing 7; One end of the shift lever 2 extends out of the micro switch box 6 and is located at the lower part of the connecting rod of the switch knob 1, and the other end is located on the upper side of the contact of the...
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Provided is a switch apparatus and a making and usage method thereof. The switch apparatus comprises a switch turn button, a pulling rod, a microswitch, an overflow valve, a pump head, a microswitch box and a housing, wherein the microswitch is fixed on the bottom inner wall of the microswitch box, one end of the overflow valve is connected to the pump head, the other end of the overflow valve isprovided with an overflow valve rod, the switch turn button is connected to a connecting rod at one side in the housing, one end of the pulling rod extends out of the microswitch box and is located at the lower part of the connecting rod of the switch turn button, the other end of the pulling rod is located at the upper side of the contact of the microswitch and the lower side of the overflow valve rod. The invention includes two non-interfering microswitches which are arranged side by side, which can increase the sensitivity of the switch apparatus and improve the reset force of the contact of the microswitch. Besides, the whole switch apparatus can still work if one of the microswitches is broken. Moreover, the switch apparatus is characterized by simple operation and convenient usage.
Description
Technical field [0001] The present invention relates to a switch device, in particular to a switch device applied to a high-pressure cleaning machine and a manufacturing and using method thereof. Background technique [0002] A micro switch is a quick switch actuated by pressure, and is also called a sensitive switch. Its working principle is: the external mechanical force acts on the action reed through the transmission element (push pin, button, lever, roller, etc.), and after accumulating the energy to the critical point, it produces instantaneous action, making the moving contact at the end of the action reed Quickly connect or disconnect with fixed contacts. When the force on the transmission element is removed, the action reed produces a reverse action force. When the reverse stroke of the transmission element reaches the critical point of the action of the reed, the reverse action is instantaneously completed. The speed of the moving contact has nothing to do with the sp...
Claims
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IPC IPC(8): H01H3/08H01H11/00B08B3/02
Inventor 艾伦·桑德
Owner 香港尚德-富佑捷有限公司