Throttling stop valve with throttling and cut-off dual function

A throttling cut-off valve and dual-function technology, which is applied in the field of throttling stop valves, can solve the problems of affecting air-conditioning performance, large vibration and noise of the throttle, and leakage, so as to reduce material consumption, solve high noise and reduce costs. Effect

Inactive Publication Date: 2009-05-13
GUANGDONG HANGJI METAL PRODUCT INDUSTRIES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The system with this structure has many connected components and many solder joints, which is prone to leakage during use; the process is complex, the material consumption is large, the processing cost is relatively high, and the vibration of the air conditioner generates large noise when the air conditioner is running, and the assembly process is complicated , seriously affecting the performance of the air conditioner

Method used

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  • Throttling stop valve with throttling and cut-off dual function
  • Throttling stop valve with throttling and cut-off dual function
  • Throttling stop valve with throttling and cut-off dual function

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Embodiment Construction

[0018] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0019] Such as figure 1 , 2, 3, 4, 5, 6, a throttling shut-off valve with dual functions of throttling and shut-off, including a valve body 1, a connecting pipe 4, a shut-off spool 6, and a throttling spool 3, The throttle spool 3 is arranged on the valve body 1 .

[0020] Such as figure 1 , 2, the throttle spool 3 is embedded, the spool 3 is embedded in one end of the connecting pipe 4, and is installed on the inlet port 5 of the stop valve together with the connecting pipe 4, the throttle spool 3 is a boss type, Closely matched with the connecting pipe 4 and the inlet port 5 of the stop valve, a throttle hole is arranged in the axial direction of the throttle valve core.

[0021] As shown in Figures 3 and 4, the throttle spool 3 is integrated, the spool 3 is integrated with the valve body 1, and is arranged on the inlet port 5 of the flow...

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PUM

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Abstract

The invention provides a two-way throttle stop valve which integrates a restricting element and a stop valve into a whole, comprising a valve body, a connecting pipe, a stop valve plug, a fluorine injection nozzle, a cross head nut and a throttle valve plug. An ostiole is arranged on each of the valve plugs along the axial direction and is used for throttling. The throttle valve plug and the connecting pipe are embedded into an input end of the valve body, and the throttle valve plug is known as an embedded valve plug; if the ostiole used for throttling is directly formed at the inlet end and the outlet end of a flow passage of the valve body, the throttle valve plug is known as an integral throttle valve plug. The two-way throttle stop valve has compact structure, high reliability, low cost and little noise, and increases no welding spot; the restricting element of the two-way throttle stop valve does not additionally occupy space; therefore, the two-way throttle stop valve can replace the existing stop valve and the capillaceous component in an air conditioner.

Description

Technical field: [0001] The invention relates to a throttling cut-off valve, which has dual functions of throttling and cut-off, and is used in a cold-only air-conditioning system. Background technique: [0002] The composition of the air conditioning system mainly includes four parts: compressor, condenser, throttling device and evaporator, as well as auxiliary components such as stop valve. In existing systems, capillary tubes are mostly used as throttling elements to adjust the flow of refrigerant in the pipeline. Restrictors and stop valves are independently designed and used components in the pipeline, and are connected by welding. The system with this structure has many connected components and many solder joints, which is prone to leakage during use; the process is complex, the consumption of materials is large, the processing cost is relatively high, and the vibration of the air conditioner generates large noise when the air conditioner is running, and the assembly ...

Claims

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Application Information

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IPC IPC(8): F16K1/00F16K47/00F16K51/00F25B41/06
Inventor 夏大彬王青萼熊代力綦尤训
Owner GUANGDONG HANGJI METAL PRODUCT INDUSTRIES CO LTD
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