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Electromagnetic valve with hand operating device

A manual operation and solenoid valve technology, applied in the field of solenoid valves, can solve problems such as poor sealing

Inactive Publication Date: 2008-04-16
SMC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] Moreover, the solenoid valve 205 with a manual operating device in the above-mentioned known prior art moves the movable iron core 233 due to the tapered portion 251a or the cam portion 251b arranged at the front end of the operating member 251, so that on the operating member 251 Causes an eccentric load that is at right angles to its axial direction, and thus is prone to poor sealing during the operation of the operating part 251

Method used

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  • Electromagnetic valve with hand operating device
  • Electromagnetic valve with hand operating device

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Embodiment Construction

[0034] Figure 1 ~ Figure 4 It is a diagram showing the first embodiment of the solenoid valve with manual operation device according to the present invention. Such as figure 1 As shown, the solenoid valve 1 has a main valve part 2 and an electromagnetic operating part 3, wherein the main valve part 2 is provided with a valve member 20 that switches the flow path by contacting or leaving the valve seats 15 and 16 inside the valve housing 10, and the solenoid valve The operation part 3 drives the valve member 20 in a direction of contacting or separating from the valve seats 15 and 16 . In addition, in order to energize the above-mentioned electromagnetic operation part 3, a terminal box 4 is provided along the outer sides of the range from the electromagnetic operation part 3 to the main valve part 2.

[0035] The manual operation device 5 used in the above solenoid valve 1, such as figure 1 , Figure 4As shown, there is an operating rod 51 and an operating member 52, wh...

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Abstract

It is an object of the invention to provide a solenoid valve having a manually-operated device capable of disposing the manually-operated device in the solenoid valve while avoiding a portion thereof constituted by a substrate or the like on which an electronic component such as a connector for electrical connection and a lamp is mounted. A solenoid valve comprises a main valve 2 having a valve member 20 which switches over flow paths by contacting with and separating from valve seats 15 and 16 in a valve casing 10, and a solenoid operating portion 3 for driving the valve member 20. The solenoid valve having the manually-operated device comprises an operation rod 51 which is air-tightly and slidably accommodated in a rod-insertion hole 102 provided in the valve casing 10 and which abuts against an end surface of the movable iron core 33 to push the moving core in its axial direction, and an operating member 52 movably mounted to a mounting surface of the valve casing 10 for driving the operation rod 51.

Description

technical field [0001] The present invention relates to a solenoid valve with a manual operation device. When a valve member is blocked by a valve seat due to an accident such as a power failure, the valve member is operated manually. Background technique [0002] In the case that the valve seat is blocked by the valve part due to an accident such as a power failure, a solenoid valve with a manual operation device is used to open the valve seat by manual operation, such as Figure 11 ~ Figure 12 Shown, is known prior art. [0003] which is, Figure 11 The solenoid valve with manual operation device shown in has a main valve part 202 and a solenoid operation part 203, and the main valve part 202 has a valve for switching the flow path by contacting or leaving the valve seats 215 and 216 in the valve housing 210 Parts 220, 221, the electromagnetic operation part 203 drives the above-mentioned valve parts 220, 221 in the direction of contacting or leaving the above-mentioned v...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K31/11F16K31/06
CPCF16K31/0627F16K31/05
Inventor 松本拓实石川诚
Owner SMC CORP
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