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Assembly method of fire hydrant valve rod assembly

An assembly method and valve stem bolting technology, which are applied to valve devices, lift valves, engine components, etc., can solve the problems of low production efficiency, complicated assembly process, and large number of parts, and achieve low installation difficulty, short time-consuming, The effect of reducing production costs

Pending Publication Date: 2022-05-31
广东永丰利消防工程有限公司
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Problems solved by technology

The traditional fire hydrant valve stem assembly is usually assembled by one worker. Due to the large number of parts and complicated assembly process, the production efficiency is low

Method used

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  • Assembly method of fire hydrant valve rod assembly

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] Such as figure 1 Shown, a kind of assembling method of fire hydrant stem assembly comprises the following steps:

[0022] (1) Assemble the pressure sensor 1: Screw the pressure sensor 1 into the threaded hole 21 of the lower disc 2;

[0023] (2) Assemble the valve seat sealing plate 3: install the valve seat sealing plate 3 on the lower disc 2;

[0024] (3) Assemble the upper disc 4: Connect the upper disc 4 with the lower disc 2 and fasten it, the ca...

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PUM

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Abstract

The invention discloses an assembling method of a fire hydrant valve rod assembly, which comprises the following steps: (1) assembling a pressure sensor, (2) assembling a valve seat sealing plate, (3) assembling an upper valve clack, (4) assembling a lower valve rod inner sleeve, (5) assembling a lower valve rod outer sleeve, and (6) assembling an upper valve rod. All the components can be assembled on an assembly line to form the fire hydrant valve rod assembly.

Description

technical field [0001] The invention relates to the technical field of fire-fighting appliances, in particular to an assembly method of a valve stem assembly of a fire hydrant. Background technique [0002] A fire hydrant usually includes a handwheel, a valve stem, a valve disc, a valve cover and a valve body. The valve body is provided with a water inlet and outlet, and a sealing ring is provided under the valve disc. The valve disc is fixed at the end of the valve stem, and the valve stem It is usually assembled with a valve disc to form a valve stem assembly. The traditional fire hydrant valve stem assembly is usually assembled by one worker. Due to the large number of parts and complicated assembly process, the production efficiency is low. Contents of the invention [0003] In order to overcome the shortcomings of the existing technical solutions, the present invention provides a method for assembling the fire hydrant stem assembly, which can effectively solve the ...

Claims

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Application Information

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IPC IPC(8): F16K1/48F16K37/00
CPCF16K1/48F16K37/005
Inventor 何友清
Owner 广东永丰利消防工程有限公司