Small-caliber integrated butterfly valve structure and assembling method thereof
An integrated, small-caliber technology, which is applied in the direction of valve devices, lift valves, engine components, etc., can solve the problems of high risk of valve damage, high assembly precision, and large number of parts, so as to reduce assembly workload and simplify assembly Difficulty, the effect of improving processing efficiency
Pending Publication Date: 2020-08-07
HUIZHONG INSTR
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Problems solved by technology
[0003] The above-mentioned valve structure has disadvantages such as high processing difficulty, high processing cost, large number of parts, high precision assembly requirements, and high risk of valve damage during use during production, assembly, and use.
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[0029] The present invention will be further described below through embodiments in conjunction with the accompanying drawings.
[0030] A small-diameter integrated butterfly valve structure includes an integrated valve body 1, a butterfly valve plate 2, a sealing structure 3 and a valve stem 7. The integrated valve body 1 is provided with an overflow channel 5 and a valve stem installation. The hole 13 is an integral processing part; the butterfly valve plate 2 is located in the sealing structure 3 and is placed in the flow passage 5 of the integral valve body 1 together. The integral valve body 1, the butterfly valve plate 2 and the sealing structure 3 are mutually Combined together, the valve stem 7 positions the butterfly valve plate 2 and the sealing structure 3 in the overflow channel 5 through the valve stem mounting hole 13 .
[0031] The integral valve body 1 has an integral structure, and the integral valve body 1 itself has no other assembly components. The valve s...
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The invention relates to a small-caliber integrated butterfly valve structure and an assembling method thereof, and belongs to the field of valves. According to the technical scheme, a flow passing channel (5) and a valve rod mounting hole (13) are formed in an integral valve body (1) and are integrally machined parts; a butterfly valve plate (2) is positioned in a sealing structure (3) to be arranged in the flow passing channel (5) of the integral valve body (1) together, the integral valve body (1), the butterfly valve plate (2) and the sealing structure (3) are mutually combined together, and the butterfly valve plate and the sealing structure are positioned in the flow passing channel by a valve rod (7) through the valve rod mounting hole (13). The small-caliber integrated butterfly valve structure has the beneficial effects that the integrated valve body is integrally machined and manufactured, most machining procedures can be completed under the working condition of one-time machining equipment clamping, the consistency of products is improved, and the precision of all sizes is guaranteed; the valve body is not provided with other installation parts, assembly is convenient, the assembly workload is reduced, the assembly difficulty is simplified, the assembly efficiency is improved, and the cost of the parts is reduced.
Description
technical field [0001] The invention relates to a small-diameter integrated butterfly valve structure and an assembling method thereof, which are used for controlling the flow of a flowing medium, especially the flow control of liquid or gas, and belong to the technical field of valve structure. Background technique [0002] At present, the existing valve structure, especially the small-diameter valve, adopts the valve body split structure, and the butterfly valve is not applied to the small-diameter valve field. Common implementation methods are: 1. The valve body and the valve end cover are in the form of threaded two-piece connection, such as a pressure measuring ball valve with Chinese patent number CN201420719224; 2. The valve body, sealing element and end cover are in the form of three-piece connection. For example, Chinese patent number CN201920722816.3 is an all-welded steel ball valve. [0003] The above valve structure has disadvantages such as high processing dif...
Claims
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Login to View More IPC IPC(8): F16K1/22F16K1/226
CPCF16K1/22F16K1/224F16K1/226
Inventor 张力新李德海严学智冯宪奎张勇
Owner HUIZHONG INSTR