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Electromagnetic valve and sphygmomanometer with same

A solenoid valve and air passing technology, which is applied in the direction of the valve operation/release device, valve lift, valve device, etc., can solve the problems of high gas flow rate and large noise of the solenoid valve, and achieve noise reduction, impact noise reduction, and reliable connection Effect

Active Publication Date: 2021-09-03
深圳市桑泰达科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the small gap between the magnetic rod and the pentagonal inner hole, the flow rate of the gas is large, so that the solenoid valve is prone to generate a large noise during the deflation process

Method used

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  • Electromagnetic valve and sphygmomanometer with same
  • Electromagnetic valve and sphygmomanometer with same
  • Electromagnetic valve and sphygmomanometer with same

Examples

Experimental program
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Embodiment Construction

[0043] The following is attached Figure 1-7 , to further describe this application in detail.

[0044] The embodiment of the present application discloses a solenoid valve, which is mainly used in equipment such as a sphygmomanometer that requires gas pressure maintenance and release control, so that the gas storage part of the equipment can be switched between a pressure maintenance state and a gas release state.

[0045] refer to figure 1 and figure 2 , the solenoid valve includes a housing 1 , an air passage 7 , a skeleton 2 , a coil 3 , an inner core 4 , a reset elastic member 5 and a sealing member 6 .

[0046] The casing 1 includes a casing 11 and an end cover 12 fixed to the casing 11 by pressing riveting or the like. The casing 11 is generally arranged in the shape of "凵" to have an end face 111 and two side portions 112 parallel to each other. 11 corresponding to the side portion 112 connected. The casing 11 and the end cover 12 enclose to form an installation ...

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Abstract

The invention relates to an electromagnetic valve and a sphygmomanometer with the same, and relates to the technical field of valves. The electromagnetic valve comprises a shell, a framework and a coil, wherein the shell is provided with an air passing cavity, an inner hole communicated with the air passing cavity is formed in the framework, and an inner core pushed by electromagnetic force of the coil to open and close an opening of the air passing cavity and a reset elastic part driving the inner core to reset are installed in the inner hole; the inner core is provided with a sealing part used for being in sealing fit with the opening of the air passing cavity; and a first air passing gap is formed between the inner core and the inner wall of the inner hole, and the framework is provided with a first exhaust cavity and a second exhaust cavity which are used for exhausting air simultaneously. The first exhaust cavity and the second exhaust cavity are arranged, so that the flowing of air in the inner hole has two air paths. The air in an air storage part enters the inner hole through the air passing cavity, one part of the air is discharged from the first air path, and the other part of the air is discharged from the second air path, so that the electromagnetic valve can reduce the generation of noise by reducing the air flow rate on each air path.

Description

technical field [0001] The present application relates to the technical field of valves, in particular to an electromagnetic valve and a sphygmomanometer having the same. Background technique [0002] Solenoid valve is an industrial device controlled by electromagnetic. It is an automatic basic component used to control gas circulation and belongs to actuator. Solenoid valves are often used in conjunction with sphygmomanometer air bags and other air storage parts that need to maintain pressure. [0003] A new type of normally open solenoid valve is disclosed with reference to the patent with the authorized notification number CN212960115U. The solenoid valve also includes a fixed cover, a plastic frame and a U-shaped iron. The upper end of the plastic frame is sleeved on the through hole in the middle of the fixed cover, and the lower end is installed. At the bottom of the U-shaped iron, a pentagonal inner hole is provided inside the plastic skeleton, and a magnetic rod, a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K1/00F16K31/06F16K27/02F16K1/36F16F15/067A61B5/0235
CPCF16K1/00F16K31/0655F16K31/0696F16K27/029F16K1/36A61B5/0235
Inventor 江沛杰李辉赵仲康
Owner 深圳市桑泰达科技有限公司
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