Space-saving pressure-proof throttling valve

A space-saving and throttling valve technology, which is applied to the parts in contact between the valve element and the valve seat, the lifting valve, the valve details, etc., can solve the problems of large valve body and high hand wheel height, and achieve volume reduction and reduction Highly portable effect

Inactive Publication Date: 2017-02-08
GUANGXI OUXUN TECH SERVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The object of the present invention is to provide a space-saving and pressure-resistant throttle valve, so as to solve the

Method used

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  • Space-saving pressure-proof throttling valve
  • Space-saving pressure-proof throttling valve

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Example Embodiment

[0015] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0016] The present invention provides figure 1 with figure 2 A space-saving and pressure-resistant throttle valve shown includes a throttle body 1, an upper valve cover 2, a lower valve cover 3, an overflow passage 31, a shunt passage 32, a valve core 4, a valve stem 5, and a rack 51. Gear 6, connecting shaft 7, hand wheel 8, washer 9, spring 10, stud 11 and nut 12. The throttle body 1 is mainly composed of an upper valve cover 2 and a...

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Abstract

The invention discloses a space-saving pressure-proof throttling valve. The space-saving pressure-proof throttling valve comprises a throttling valve body, an upper valve deck, a lower valve deck, an overflowing channel, a shunt channel, a valve element, a valve rod, a rack, a gear, a connecting shaft, a hand wheel, a gasket, a spring, stud bolts and nuts. The throttling valve body is mainly composed of the upper valve deck and the lower valve deck. The upper valve deck and the lower valve deck are connected through the stud bolts and fastened through the nuts. The valve element is arranged in the position where the overflowing channel communicates with the shunt channel. The upper end of the valve element is fixedly connected with the lower end of the valve rod. The rack is arranged on the side face of the valve rod. The valve rod is connected with the gear through the rack. The gear and the hand wheel are fixedly connected through the connecting shaft. The gear is fixed to the upper valve deck. The gasket and the spring are arranged between the upper valve deck and the valve element. The space-saving pressure-proof throttling valve has the beneficial effects that the size of the throttling valve body is reduced, the throttling valve is more convenient to use, and the needed mounting space is greatly reduced. The valve element is prepared from the following components: 20-30% of aluminum oxide, 5-15% of silicon dioxide, 3-4% of titanium dioxide, and the balance impurities and iron, wherein the impurities include iron oxide and potassium oxide, and the content of the impurities does not exceed 3%.

Description

technical field [0001] The invention belongs to the technical field of mechanical equipment, and in particular relates to a space-saving and pressure-resistant throttle valve. Background technique [0002] A throttle valve is a valve that controls fluid flow by changing the throttle section or throttle length. A one-way throttle valve can be combined by connecting the throttle valve and the one-way valve in parallel. Throttle valve and one-way throttle valve are simple flow control valves. In the quantitative pump hydraulic system, the throttle valve and the overflow valve cooperate to form three kinds of throttling speed regulation systems, that is, throttling and speed regulation of the oil inlet circuit. system, oil return throttling speed regulating system and bypass throttling speed regulating system. The throttle valve has no flow negative feedback function and cannot compensate the speed instability caused by the load change. It is generally only used in occasions w...

Claims

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Application Information

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IPC IPC(8): F16K1/00F16K25/00F16K31/54C22C38/14
CPCF16K1/00C22C38/14F16K25/005F16K31/54
Inventor 王静
Owner GUANGXI OUXUN TECH SERVICE CO LTD
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