Guide sleeve spring-type pressure switch
A pressure switch and spring-type technology, applied in the field of guide sleeve spring-type pressure switches, can solve problems such as misjudgment, complexity, and undetectable rubber tires, and achieve the effect of not being easily damaged and having good stability
Inactive Publication Date: 2018-03-06
JIANGSU JIAOTONG COLLEGE
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Problems solved by technology
Road construction and maintenance machinery is generally 5-10 tons. For metal wheels such as road rollers, electromagnetic sensors can be used, but for rubber tires such as loaders, it is difficult to use electromagnetic and photoelectric sensors.
If conventional weighing sensors, electromagnetic sensors, photoelectric sensors, etc. are used in pressure switches, there will be the following difficulties: First, the weighing sensor is mainly used for large-tonnage weighing such as trucks, and it must be equipped with related control circuits, which is relatively complicated. 1. The price is high, and the on / off state conversion is not easy to realize directly; the second is that the electromagnetic sensor is easy to implement for metal wheels, but it cannot detect rubber tires;
Method used
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Embodiment Construction
[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0016] Such as figure 1 , a guide sleeve spring-type pressure switch, including a movable lift shaft 2, a movable lift button 5 is fixedly connected to the lower part of the movable lift shaft 2, and the movable lift shaft 2 is slidably arranged inside the fixed guide sleeve 3, The inside of the fixed guide sleeve 3 is also provided with a fixed plate 8, on which a self-reset button 7 is fixed, and the self-reset button 7 is separated from the movable flip button 5 by a spring 6, and the self-reset button The bottom of 7 is also provided with switch contact 9.
[0017] The switch contact 9 is also coated with a waterproof adhesive layer 10 .
[0018] The self-resetting button 7 is a waterproof button.
[0019] A pressing plate 1 is also arranged above the movable tilting shaft 2 .
[0020] The switch contact 9 is connected with a double core wire 4 . ...
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The invention belongs to the technical field of mechanical equipment, and particularly relates to a switch, and more particularly relates to a guide sleeve spring-type pressure switch. The guide sleeve spring-type pressure switch comprises a moveable lifting shaft. A moveable lifting button is fixedly connected below the moveable lifting shaft. The moveable lifting shaft is slidably installed in afixing guide sleeve. The interior of the fixing guide sleeve is further provided with a fixing plate. A self-reset button is fixed on the fixing plate. The self-reset button is separated from the moveable lifting button by a spring. A switch contact is further installed below the self-reset button. The switch is suitable for various situations, such as metal and rubber hubs. In addition, the stability is good, and the switch is capable of bearing the great pressure and is not easily damaged.
Description
technical field [0001] The invention belongs to the field of mechanical equipment, in particular to a switch, and more specifically to a guide sleeve spring type pressure switch. Background technique [0002] In recent years, a pressure switch is needed in the field of road construction and maintenance machinery, which requires the switching of the on / off state when the construction machinery is pressed on the switch. Road construction and maintenance machinery is generally 5-10 tons. For metal wheels such as road rollers, electromagnetic sensors can be used to realize it, but for rubber tires such as loaders, it is difficult to use electromagnetic and photoelectric sensors. If conventional weighing sensors, electromagnetic sensors, photoelectric sensors, etc. are used in pressure switches, there will be the following difficulties: First, the weighing sensor is mainly used for large-tonnage weighing such as trucks, and it must be equipped with related control circuits, which...
Claims
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Patent Timeline
Login to View More IPC IPC(8): H01H13/30H01H13/52
CPCH01H13/30H01H13/52H01H2235/01
Inventor 李鹏飞黄成磊毕胜强
Owner JIANGSU JIAOTONG COLLEGE