CN108692044B - Valve for reducing pressure impact - Google Patents
Valve for reducing pressure impact Download PDFInfo
- Publication number
- CN108692044B CN108692044B CN201810560428.XA CN201810560428A CN108692044B CN 108692044 B CN108692044 B CN 108692044B CN 201810560428 A CN201810560428 A CN 201810560428A CN 108692044 B CN108692044 B CN 108692044B
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- China
- Prior art keywords
- valve
- sealing plate
- plate
- fixedly connected
- upper sealing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/44—Details of seats or valve members of double-seat valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
- F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
- Safety Valves (AREA)
Abstract
The invention relates to a valve for reducing pressure impact, which comprises a valve shell, wherein the bottom of the valve shell is respectively provided with a water inlet and a water outlet, a valve block is arranged in the valve shell, the bottom opening end of the valve block is movably connected with a compensation plate, and the bottom surface of the compensation plate is fixedly connected with two plugging blocks; a pre-pressing spring is fixedly connected between the surface of the compensation plate and the closed end of the valve block; a driving spring is distributed on the surface of the valve block and is fixedly connected with a pressurizing device through a connecting rod; the pressurizing device comprises a one-way exhaust valve arranged on a support plate, the bottom of the support plate is fixedly connected with a valve shell through a connecting support, the bottom of the one-way exhaust valve is provided with an upper sealing plate, the pressurizing device also comprises a lower sealing plate arranged below the upper sealing plate and forming a gap with the upper sealing plate, the bottom surface of the lower sealing plate is fixedly connected with a connecting rod, and two ends of the upper sealing plate are respectively provided with a heat conducting rod; the invention realizes the control of the flow rate of the valve and simultaneously weakens the pressure impact on the valve.
Description
Technical Field
The invention relates to a valve capable of reducing pressure impact, and belongs to the field of valves.
Background
Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like.
The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems.
The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valves are further classified into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316, etc.), chrome molybdenum steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves, etc. according to the material.
The application number is 201720881917.6, the invention discloses a gas cylinder valve with pressure maintaining function, which comprises a hand wheel, a valve body, a valve rod, a pressure cap, a valve core and a safety relief device, wherein the valve body is provided with an air inlet for connecting a gas cylinder and an air outlet interface for external use, the air inlet interface of the valve body is provided with the pressure maintaining device, the pressure maintaining device comprises a valve, a spring and a spring seat, the spring seat is in threaded connection with the valve body and is sealed by a sealing ring, the valve is located in a movable cavity in the air inlet interface of the valve body, the valve is designed into a large piston and a small piston, the outer side of the large piston is provided with the sealing ring, a long and thin ejector rod at one end of the valve penetrates through a ventilation channel, the. When the gas cylinder is deflated to a set pressure, the valve can be automatically closed, so that air in the gas cylinder is prevented from entering the gas cylinder after the gas in the gas cylinder is completely used up, the purity of the gas in the gas cylinder is ensured, the gas cylinder is not required to be vacuumized during inflation, and the production cost is saved; however, the above-mentioned valve structure has a problem that the structure is complicated and the pressure shock generated to the valve when the flow rate is too large cannot be weakened.
Disclosure of Invention
The invention provides a valve for reducing pressure impact, which realizes the control of the flow rate of the valve by changing the pressure between sealing plates and simultaneously weakens the pressure impact on the valve.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a valve for reducing pressure impact comprises a valve shell, wherein the bottom of the valve shell is respectively provided with a water inlet and a water outlet, a valve block is arranged in the valve shell, the bottom opening end of the valve block is movably connected with a compensation plate, the bottom surface of the compensation plate is fixedly connected with two blocking blocks, and the two blocking blocks respectively correspond to the water inlet and the water outlet;
a pre-pressing spring is fixedly connected between the surface of the compensation plate and the closed end of the valve block;
a driving spring is distributed on the surface of the valve block and is fixedly connected with a pressurizing device through a connecting rod; the pressurizing device comprises a one-way exhaust valve arranged on a support plate, the bottom of the support plate is fixedly connected with a valve shell through a connecting support, the bottom of the one-way exhaust valve is provided with an upper sealing plate, the pressurizing device also comprises a lower sealing plate arranged below the upper sealing plate and forming a gap with the upper sealing plate, the bottom surface of the lower sealing plate is fixedly connected with a connecting rod, and two ends of the upper sealing plate are respectively provided with a heat conducting rod;
as a further preferred aspect of the present invention, both sides of the valve block are movably connected to the inside of the valve housing through slide rail assemblies, respectively;
as a further preferred aspect of the present invention, an upper seal ring is fitted around the periphery of the upper seal plate, and a lower seal ring is fitted around the periphery of the lower seal plate;
as a further preferred aspect of the present invention, the two connecting rods include two connecting rods, and the connecting rods are sleeved with the limiting plates;
as a further preferred aspect of the present invention, a through groove is formed between the support plates, the one-way exhaust valve extends into the through groove, and the bottom end of the one-way exhaust valve contacts the upper sealing plate.
Through the technical scheme, compared with the prior art, the invention has the following beneficial effects:
the invention realizes the closing and opening of the valve by changing the pressure between the upper sealing plate and the lower sealing plate, and realizes the absorption of pressure impact by the arrangement of the compensation structure.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of the overall structure of the preferred embodiment of the present invention.
In the figure: 1 is the valve shell, 2 is the water inlet, 3 is the delivery port, 4 is the valve piece, 5 is the compensating plate, 6 is slide rail set spare, 7 is pre-compaction spring, 8 is the limiting plate, 9 is driving spring, 10 is linking bridge, 11 is the connecting rod, 12 is the backup pad, 13 is one-way discharge valve, 14 is lower seal plate, 15 is upper seal plate, 16 is the upper seal circle, 17 is the lower seal circle, 18 is the heat conduction stick, 19 is the jam piece.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, the present invention includes the following features: 1 is the valve shell, 2 is the water inlet, 3 is the delivery port, 4 is the valve piece, 5 is the compensating plate, 6 is slide rail set spare, 7 is pre-compaction spring, 8 is the limiting plate, 9 is driving spring, 10 is linking bridge, 11 is the connecting rod, 12 is the backup pad, 13 is one-way discharge valve, 14 is lower seal plate, 15 is upper seal plate, 16 is the upper seal circle, 17 is the lower seal circle, 18 is the heat conduction stick, 19 is the jam piece.
The valve for reducing pressure impact comprises a valve shell, wherein the bottom of the valve shell is respectively provided with a water inlet and a water outlet, a valve block is arranged in the valve shell, the bottom opening end of the valve block is movably connected with a compensation plate, the bottom surface of the compensation plate is fixedly connected with two blocking blocks, and the two blocking blocks respectively correspond to the water inlet and the water outlet;
a pre-pressing spring is fixedly connected between the surface of the compensation plate and the closed end of the valve block;
a driving spring is distributed on the surface of the valve block and is fixedly connected with a pressurizing device through a connecting rod; the pressurizing device comprises a one-way exhaust valve arranged on a support plate, the bottom of the support plate is fixedly connected with a valve shell through a connecting support, the bottom of the one-way exhaust valve is provided with an upper sealing plate, the pressurizing device also comprises a lower sealing plate arranged below the upper sealing plate and forming a gap with the upper sealing plate, the bottom surface of the lower sealing plate is fixedly connected with a connecting rod, and two ends of the upper sealing plate are respectively provided with a heat conducting rod;
as a further preferred aspect of the present invention, both sides of the valve block are movably connected to the inside of the valve housing through slide rail assemblies, respectively;
as a further preferred aspect of the present invention, an upper seal ring is fitted around the periphery of the upper seal plate, and a lower seal ring is fitted around the periphery of the lower seal plate;
as a further preferred aspect of the present invention, the two connecting rods include two connecting rods, and the connecting rods are sleeved with the limiting plates;
as a further preferred aspect of the present invention, a through groove is formed between the support plates, the one-way exhaust valve extends into the through groove, and the bottom end of the one-way exhaust valve contacts the upper sealing plate.
The upper sealing plate and the lower sealing plate deform through heating the heat conducting rod, negative pressure between the upper sealing plate and the lower sealing plate fails, the lower sealing plate drives the connecting rod to move at the moment, the driving spring drives the valve block to move downwards at the same time, and the blocking block respectively seals the water inlet and the water outlet;
the setting of compensating plate, it produces certain floating interval through pre-compaction spring, has realized the absorption to pressure impact, avoids when water inlet pressure is too big, the sealing that arouses is inefficacy.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The meaning of "and/or" as used herein is intended to include both the individual components or both.
The term "connected" as used herein may mean either a direct connection between components or an indirect connection between components via other components.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. A reduce pressure impact's valve, includes the valve shell, its characterized in that: the bottom of the valve is respectively provided with a water inlet and a water outlet, a valve block is arranged in the valve shell, the bottom opening end of the valve block is movably connected with a compensation plate, the bottom surface of the compensation plate is fixedly connected with two blocking blocks, and the two blocking blocks respectively correspond to the water inlet and the water outlet;
a pre-pressing spring is fixedly connected between the surface of the compensation plate and the closed end of the valve block;
a driving spring is distributed on the surface of the valve block and is fixedly connected with a pressurizing device through a connecting rod; the pressurizing device comprises a one-way exhaust valve which is arranged on a supporting plate, the bottom of the supporting plate is fixedly connected with a valve shell through a connecting support, an upper sealing plate is arranged at the bottom of the one-way exhaust valve, the pressurizing device further comprises a lower sealing plate which is arranged below the upper sealing plate and forms a gap with the upper sealing plate, the bottom surface of the lower sealing plate is fixedly connected with a connecting rod, and heat conducting rods are respectively arranged at two ends of the upper sealing plate.
2. The pressure shock reducing valve of claim 1, wherein: the two sides of the valve block are movably connected in the valve shell through sliding rail components respectively.
3. The pressure shock reducing valve of claim 1, wherein: an upper sealing ring is sleeved on the periphery of the upper sealing plate, and a lower sealing ring is sleeved on the periphery of the lower sealing plate.
4. The pressure shock reducing valve of claim 1, wherein: the connecting rods comprise two connecting rods, and the limiting plates are sleeved on the connecting rods.
5. The pressure shock reducing valve of claim 1, wherein: a through groove is formed in the position between the supporting plates, the one-way exhaust valve extends into the through groove, and the bottom end of the one-way exhaust valve is in contact with the upper sealing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810560428.XA CN108692044B (en) | 2018-06-04 | 2018-06-04 | Valve for reducing pressure impact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810560428.XA CN108692044B (en) | 2018-06-04 | 2018-06-04 | Valve for reducing pressure impact |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108692044A CN108692044A (en) | 2018-10-23 |
| CN108692044B true CN108692044B (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810560428.XA Active CN108692044B (en) | 2018-06-04 | 2018-06-04 | Valve for reducing pressure impact |
Country Status (1)
| Country | Link |
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| CN (1) | CN108692044B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100716544B1 (en) * | 2006-03-14 | 2007-05-10 | (주)수도프리미엄엔지니어링 | Anti-freezing burst device |
| CN201021727Y (en) * | 2007-03-26 | 2008-02-13 | 杨克庆 | A flow compensation valve |
| DE102012211921B4 (en) * | 2012-07-09 | 2016-05-19 | Joma-Polytec Gmbh | Temperature-dependent switching valve and temperature-layering system for storing liquids of different temperatures |
| CN203880174U (en) * | 2014-06-10 | 2014-10-15 | 北京中凯安泰防伪科技有限公司 | Switch valve device for ink taking |
| CN104390045A (en) * | 2014-11-17 | 2015-03-04 | 天津意安消防设备有限公司 | Automatic resetting selection valve for straight-through gas extinguishing system |
| CN205244528U (en) * | 2015-12-01 | 2016-05-18 | 成都易态科技有限公司 | By -pass valve |
| CN106051214B (en) * | 2016-07-12 | 2018-05-08 | 江门市君顺实业有限公司 | A kind of water mixing valve of automatic water temperature regulation |
| CN207145676U (en) * | 2017-07-10 | 2018-03-27 | 谢洪川 | Cavity space can compensate for the upper valve body of regulation and the pneumatic operated valve with the upper valve body |
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2018
- 2018-06-04 CN CN201810560428.XA patent/CN108692044B/en active Active
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| CN108692044A (en) | 2018-10-23 |
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Effective date of registration: 20200528 Address after: 226600 Haian Town Industrial Park, Haian City, Nantong City, Jiangsu Province Applicant after: Nantong Yonghong Casting Co., Ltd Address before: 224400 88 Development Zone Avenue, Funing County, Yancheng City, Jiangsu Applicant before: JIANGSU TRUST VALVE Co.,Ltd. |
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