CN106195368B - The visual pressure release of pressure controls to adjust valve - Google Patents

The visual pressure release of pressure controls to adjust valve Download PDF

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Publication number
CN106195368B
CN106195368B CN201610768804.5A CN201610768804A CN106195368B CN 106195368 B CN106195368 B CN 106195368B CN 201610768804 A CN201610768804 A CN 201610768804A CN 106195368 B CN106195368 B CN 106195368B
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CN
China
Prior art keywords
spool
valve body
pressure
interface
interior adjusting
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Active
Application number
CN201610768804.5A
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Chinese (zh)
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CN106195368A (en
Inventor
田洪卫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUZHOU KEDI FLUID CONTROL EQUIPMENT CO Ltd
Original Assignee
SUZHOU KEDI FLUID CONTROL EQUIPMENT CO Ltd
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Priority to CN201610768804.5A priority Critical patent/CN106195368B/en
Publication of CN106195368A publication Critical patent/CN106195368A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/044Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with more than one spring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/0446Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with an obturating member having at least a component of their opening and closing motion not perpendicular to the closing faces
    • F16K17/046Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with an obturating member having at least a component of their opening and closing motion not perpendicular to the closing faces the valve being of the gate valve type or the sliding valve type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0008Mechanical means
    • F16K37/0016Mechanical means having a graduated scale
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075For recording or indicating the functioning of a valve in combination with test equipment
    • F16K37/0091For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters

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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 present invention provides a kind of visual pressure release control and regulation valve of pressure, it includes the upper valve body being fixedly connected, lower valve body, partition is machined among the lower valve body, the partition is by left interface, the cavity portion of right interface connection is separated into two individual cavities, partition position below the upper interface of the lower valve body is horizontal structure, the horizontal position design of the partition has the limbers of interface in face, the external pressure spool that can be slided up and down is equipped in the upper valve body pilot hole, the middle slip sealing of the external pressure spool is equipped with interior adjusting spool, the limbers is cylindrical hole, the lower part and the limbers of the interior adjusting spool are slidingly sealed assembly;The interior adjusting spool is threadedly coupled with the screwed pipe.The valve is in use, people can facilitate the observation intracorporal hydraulic pressure of lower valve by the lower scale of external pressure spool.Pressure release size is adjusted by adjusting the interior adjusting spool height.

Description

The visual pressure release of pressure controls to adjust valve
Technical field
The present invention relates to valve technology fields, and in particular to a kind of visual pressure release control and regulation valve of pressure.
Background technique
Valve can be used to control the on-off of working fluid, and according to control structure and the difference of control purpose, valve can To be specifically divided into numerous species.Relief valve also known as safety valve therein, can according to the operating pressure energy automatic open close of system, It is generally mounted to protection system safety in the equipment or pipeline of closed system.When equipment or manifold pressure are set more than relief valve When pressure, i.e. automatic opening pressure release guarantees that equipment and pipeline internal medium pressure under setting pressure, protect equipment and pipeline, Prevent accident.In many systems, the size of pressure in pipeline can be timely observed, while can assemble special Pressure gauge, since the end of probe of pressure gauge needs to be deep into pipeline, in this way need connectivity structure is specifically added into pipeline, The complexity for increasing circuit design also increases the probability of pipeline leakage.Relief valve traditional simultaneously finishes once assembling, Water pressure determines when its pressure release, but in reality, the pressure release numerical value that people need is usually different.Traditional Valve can not replace pressure release numerical value, it is therefore desirable to replace different size valve, operate more comparatively laborious.
Summary of the invention
In view of the above problems, the present invention provides a kind of easy to use, valve can be easily checked on the shell of valve The visual pressure release of the pressure of interior pressure size controls to adjust valve.
The technical solution adopted by the present invention to solve the technical problems is: it includes solid that the visual pressure release of the pressure, which controls to adjust valve, Surely the upper valve body that connects, lower valve body, the lower valve body design have three left interface, right interface, upper interface connectors, the lower valve Partition is machined among body, the cavity portion that left interface, right interface connect is separated into two individual cavities by the partition, described Partition position below upper interface is horizontal structure, and the horizontal position design of the partition has the limbers of interface in face, institute Stating design on upper valve body has vertical pilot hole, and vertical sliding eye, the pilot hole and institute are machined among the upper interface It states sliding eye to penetrate through vertically, is equipped with the external pressure spool that can be slided up and down in the pilot hole, outside the external pressure spool Wall is slidably and sealingly connected with sliding eye, and the top fixing assembling of the external pressure spool has horizontal connecting plate, the connecting plate Lower part is connect by spring with the upper valve body;The centre of the external pressure spool is machined with the mounting hole penetrated through vertically, described It is slidingly sealed in mounting hole and is equipped with interior adjusting spool, the limbers is cylindrical hole, the lower part of the interior adjusting spool and institute It states limbers and is slidingly sealed assembly;The top fixing assembling of the connecting plate has screwed pipe, and the screwed pipe interior design has position Internal thread hole above mounting hole is machined with external screw thread, the interior adjusting spool in the external wall of upper portion of the interior adjusting spool It is threadedly coupled with the screwed pipe;It portrays vertically to the lower scale divided equally, the interior adjusting outside of the external pressure spool The external screw thread position of spool is machined with vertical streak-like planar, is portrayed on the streak-like planar along vertically to the upper quarter divided equally Degree.
Preferably, the right interface, upper interface are connected to the left side cavity of lower valve body, the left interface connection water inlet Pipe, the right interface connect outlet pipe.
Preferably, fixing assembling has sliding block on the outer ring of the connecting plate, the top fixing assembling of the upper valve body has Vertical litter, the litter and the sliding block are vertically to slidably assembling.
Preferably, the number of the connecting plate lower springs is two or more, the relatively described external pressure valve of the spring Core annular is uniformly distributed.
Preferably, being respectively designed with connecting flange on the left interface of the lower valve body, right interface, upper interface.
Preferably, the top of the interior adjusting spool is detachably equipped with rotation hand wheel.
Preferably, the upper valve body is circular plate shape, the top of the upper valve body is machined with upward cylinder step, institute Pilot hole is stated through cylinder step.
Control to adjust valve the beneficial effects of the present invention are the visual pressure release of: this pressure in use, the external pressure spool with The interior adjusting spool is automatically locked connection, when valve is in close state, the lower part of the interior adjusting spool by screw thread It is slidingly sealed assembly with the limbers, the lower part of the partition is connect with inlet pipeline, and connection water route in this way can be by the pressure of water Power acts on the lower part of the interior adjusting spool, so that the interior adjusting spool and the external pressure spool are jacked up upwards, by It is at this moment described outer in pulling downward on so that interior adjusting spool and the external pressure spool are vertically to keeping balancing for the spring The variation that the relatively described upper valve body of lower scale on the outer wall of pressure valve core occurs, due to spring pulling force at a distance from elongation at Direct ratio variation, so that the lower scale variation of external pressure spool can accurately reflect the hydraulic pressure being subject to inside lower valve body, multiplied by ratio Coefficient can accurately obtain pressure value.People can be by observing the lower scale of the external pressure spool come convenient in this way The intracorporal hydraulic pressure of the judgement lower valve.
When the hydraulic pressure of lower valve body is sufficiently large, and the interior adjusting spool is ejected limbers, which is connected, and may be implemented Decompression function, and pressure size when pressure release depends on the size that the interior adjusting spool gos deep into limbers lower part distance, due to Interior adjusting spool is connected through a screw thread with the external pressure spool, in this way can be by rotating the interior adjusting spool to control It states interior adjusting spool lower part and gos deep into the distance of the limbers, to reach pressure size when control pressure release.Equally opposite When the external pressure spool is rotated up and down the mobile interior adjusting spool, the relatively described screw thread of the high scale of the interior adjusting spool For pipe upper edge along variation is generated, the variation of the high scale is directly proportional to pressure when pressure release, thus can be by observation To judge pressure size when pressure release, the pressure value for adjusting pressure release is more convenient for the variation of the high scale.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure when the visual pressure release of pressure controls to adjust valve closing.
Fig. 2 is the schematic diagram of the section structure when the visual pressure release of pressure controls to adjust valve unlatching.
Specific embodiment
Below with reference to embodiment, the present invention is further described:
In as shown in Figure 1, Figure 2 shown in embodiment, the visual pressure release of the pressure control to adjust valve include the upper valve body 1 being fixedly connected, Lower valve body 2, the design of lower valve body 2 have 21 3 left interface, right interface, upper interface connectors, process among the lower valve body 2 There is partition 22, the cavity portion that left interface, right interface connect is separated into two individual cavities, the upper interface by the partition 22 22 position of partition of 21 lower sections is horizontal structure, and the horizontal position design of the partition 22 has the limbers of interface 21 in face 23;It is characterized by: design has vertical pilot hole 11 on the upper valve body 1, it is vertical to be machined among the upper interface 21 Sliding eye 24, the pilot hole 11 penetrate through vertically with the sliding eye 24, are equipped with and can slide up and down in the pilot hole 11 External pressure spool 3,3 outer wall of external pressure spool is slidably and sealingly connected with sliding eye 24, the top of the external pressure spool 3 Fixing assembling has horizontal connecting plate 31, and 31 lower part of connecting plate is connect by spring 4 with the upper valve body 1;The external pressure The centre of power spool 3 is machined with the mounting hole 32 penetrated through vertically, is slidingly sealed in the mounting hole 32 and is equipped with interior adjusting spool 5, the limbers 23 is cylindrical hole, and the lower part and the limbers 23 of the interior adjusting spool 5 are slidingly sealed assembly;The company The top fixing assembling of fishplate bar 31 has screwed pipe 33, and 33 interior design of screwed pipe has the internal screw thread above mounting hole 32 Hole is machined with external screw thread, the interior adjusting spool 5 and 33 screw thread of screwed pipe in the external wall of upper portion of the interior adjusting spool 5 Connection;It portrays vertically to the lower scale 34 divided equally, the external screw thread of the interior adjusting spool 5 outside of the external pressure spool 3 Position is machined with vertical streak-like planar, is portrayed on the streak-like planar along vertically to the high scale 51 divided equally.
The visual pressure release of pressure controls to adjust valve in use, the external pressure spool 3 and the interior adjusting spool 5 pass through screw thread Be automatically locked connection, when valve is in close state, as shown in Figure 1, the lower part of the interior adjusting spool 5 and the limbers 23 are slidingly sealed assembly, and the lower part of the partition 22 is connect with inlet pipeline, and connection water route in this way can act on the pressure of water The lower part of the interior adjusting spool 5, to the interior adjusting spool 5 and the external pressure spool 3 be jacked up upwards, due to described Spring 4 pulls downward on so that interior adjusting spool 5 and the external pressure spool 3 are vertically to keeping balancing, at this moment the external pressure The upper edge of the relatively described upper valve body 1 of lower scale 34 on the outer wall of power spool 3 is along the variation occurred, due to the pulling force of spring 4 With variation directly proportional at a distance from elongation so that external pressure spool 3 lower scale 34 variation can accurately reflect inside lower valve body 2 by The variation numerical value of the hydraulic pressure arrived, lower scale 34 can accurately obtain pressure value multiplied by proportionality coefficient.People in this way The hydraulic pressure in the lower valve body 2 is easily judged by observing the lower scale 34 of the external pressure spool 3.
When the hydraulic pressure of lower valve body is sufficiently large, and the interior adjusting spool is ejected limbers, as shown in Fig. 2, the valve at this time It connects, decompression function may be implemented.And pressure size when pressure release depends on the interior adjusting spool 5 and gos deep into 23 lower part of limbers The size of distance in this way can be by described in rotation since interior adjusting spool 5 and the external pressure spool 3 are connected through a screw thread Interior adjusting spool 5 controls the distance that 23 lower part of limbers is goed deep into 5 lower part of interior adjusting spool, lets out to reach control Pressure size when pressure.It is described interior equally when being rotated up and down the mobile interior adjusting spool 5 relative to the external pressure spool 3 Relatively described 33 upper edge of screwed pipe of the high scale 51 of adjusting spool 5 is along generation variation, the variation and pressure release of the high scale 51 When pressure it is directly proportional, thus can judge pressure size when pressure release by observing the variation of the upper high scale 51, The pressure value for adjusting pressure release is more convenient.
In specific design, as depicted in figs. 1 and 2, the left side cavity of the right interface, upper interface 21 and lower valve body 2 connects Logical, left interface described in this structure is used to connect water inlet pipe, and the right interface is used to connect outlet pipe.Water inlet pipe enters lower valve Liquid in body 2 provides it upward motive force from interior 5 lower part of adjusting spool.
In specific design, as depicted in figs. 1 and 2, fixing assembling has sliding block 35 on the outer ring of the connecting plate 31, described The top fixing assembling of upper valve body 1 has a vertical litter 12, and the litter 12 and the sliding block 35 are vertically to slidably assembling.This Litter 12 described in sample can carry out circumferential limit to the external pressure spool, prevent its quilt when rotating the interior adjusting spool Drive rotation.12 numbers of the litter are two or more, are evenly arranged on the top of the upper valve body 1.
The number of 31 lower springs 4 of connecting plate is two or more, relatively described 3 ring of external pressure spool of the spring 4 Shape is uniformly distributed.When multiple connections of spring 4 can make external pressure spool 3 be pulled upwardly, stress is more balanced.
As depicted in figs. 1 and 2, connection method is respectively designed on the left interface, right interface, upper interface 21 of the lower valve body 2 It is blue.It in this way can be more convenient with other parts and piping connection.The top of the interior adjusting spool 5 is detachably equipped with Rotation hand wheel 52.The interior adjusting spool 5 is rotated by what rotation hand wheel 52 can be convenient, valve regulated is let out in completion The adjusting of pressure value.The upper valve body 1 is circular plate shape, and the top of the upper valve body 1 is machined with upward cylinder step, the dress Distribution 11 runs through cylinder step.The design of the cylinder step is so that materials'use is more saved, while can be convenient described The installation of spring 4.
The foregoing is merely preferred modes of the invention, are not intended to limit the invention, all in spirit and original of the invention Within then, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (7)

1. a kind of visual pressure release of pressure controls to adjust valve, it includes the upper valve body (1) being fixedly connected, lower valve body (2), the lower valve Body (2) design has (21) three left interface, right interface, upper interface connectors, is machined with partition among the lower valve body (2) (22), the cavity portion that left interface, right interface connect is separated into two individual cavities, the upper interface by the partition (22) (21) partition (22) position below is horizontal structure, and the horizontal position design of the partition (22) has interface in face (21) Limbers (23);It is characterized by: there is vertical pilot hole (11) design on the upper valve body (1), in the upper interface (21) Between be machined with vertical sliding eye (24), the pilot hole (11) and the sliding eye (24) penetrate through vertically, the pilot hole (11) the external pressure spool (3) that can be slided up and down is equipped in, external pressure spool (3) outer wall and sliding eye (24) are slided It is tightly connected, the top fixing assembling of the external pressure spool (3) has horizontal connecting plate (31), connecting plate (31) lower part It is connect by spring (4) with the upper valve body (1);The centre of the external pressure spool (3) is machined with the mounting hole penetrated through vertically (32), it is slidingly sealed and is equipped with interior adjusting spool (5) in the mounting hole (32), the limbers (23) is cylindrical hole, described The lower part and the limbers (23) of interior adjusting spool (5) are slidingly sealed assembly;The top fixing assembling of the connecting plate (31) Have screwed pipe (33), screwed pipe (33) interior design has the internal thread hole above mounting hole (32), the interior adjusting External screw thread is machined in the external wall of upper portion of spool (5), the interior adjusting spool (5) is threadedly coupled with the screwed pipe (33);Institute It portrays vertically to the lower scale (34) divided equally, the external screw thread position of the interior adjusting spool (5) outside for stating external pressure spool (3) It sets and is machined with vertical streak-like planar, portrayed on the streak-like planar along vertically to the high scale (51) divided equally.
2. the visual pressure release of pressure according to claim 1 controls to adjust valve, it is characterised in that: the right interface, upper interface (21) it is connected to the left side cavity of lower valve body (2), the left interface connects water inlet pipe, and the right interface connects outlet pipe.
3. the visual pressure release of pressure according to claim 1 controls to adjust valve, it is characterised in that: outside the connecting plate (31) There is sliding block (35) fixing assembling on circle, the top fixing assembling of the upper valve body (1) has vertical litter (12), the litter (12) with the sliding block (35) vertically to slidably assembling.
4. the visual pressure release of pressure according to claim 1 controls to adjust valve, it is characterised in that: connecting plate (31) lower part The number of spring (4) is two or more, and relatively described external pressure spool (3) annular of the spring (4) is uniformly distributed.
5. the visual pressure release of pressure according to claim 1 controls to adjust valve, it is characterised in that: a left side for the lower valve body (2) Interface, right interface, upper interface are respectively designed with connecting flange on (21).
6. the visual pressure release of pressure according to claim 1 controls to adjust valve, it is characterised in that: the interior adjusting spool (5) Top be detachably equipped with rotation hand wheel (52).
7. the visual pressure release of pressure according to claim 1 controls to adjust valve, it is characterised in that: the upper valve body (1) is circle Plate shape, the top of the upper valve body (1) are machined with upward cylinder step, and the pilot hole (11) runs through cylinder step.
CN201610768804.5A 2016-08-30 2016-08-30 The visual pressure release of pressure controls to adjust valve Active CN106195368B (en)

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CN201610768804.5A CN106195368B (en) 2016-08-30 2016-08-30 The visual pressure release of pressure controls to adjust valve

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Application Number Priority Date Filing Date Title
CN201610768804.5A CN106195368B (en) 2016-08-30 2016-08-30 The visual pressure release of pressure controls to adjust valve

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CN106195368B true CN106195368B (en) 2019-01-04

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111750161A (en) * 2020-07-22 2020-10-09 南安市溪美林英花建筑物清洁服务中心 Regulating valve opened by liquid pressure control
CN112855964A (en) * 2021-01-04 2021-05-28 山东安益矿用设备股份有限公司 Coal mine working face gas extraction pressure limiting valve

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3811403A (en) * 1971-09-21 1974-05-21 H Braukmann Indicator device for rotary elements
CN203146991U (en) * 2013-03-19 2013-08-21 上海华尔德电站阀门有限公司 Valve device having buffer function and closing force display function
CN204828910U (en) * 2015-08-18 2015-12-02 绥中泰德尔自控设备有限公司 Digital display pressure differential setting value and valve cut off dynamic pressure differential balanced valve of function
CN206054848U (en) * 2016-08-30 2017-03-29 苏州科迪流体控制设备有限公司 The visual pressure release of pressure controls to adjust valve

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3811403A (en) * 1971-09-21 1974-05-21 H Braukmann Indicator device for rotary elements
CN203146991U (en) * 2013-03-19 2013-08-21 上海华尔德电站阀门有限公司 Valve device having buffer function and closing force display function
CN204828910U (en) * 2015-08-18 2015-12-02 绥中泰德尔自控设备有限公司 Digital display pressure differential setting value and valve cut off dynamic pressure differential balanced valve of function
CN206054848U (en) * 2016-08-30 2017-03-29 苏州科迪流体控制设备有限公司 The visual pressure release of pressure controls to adjust valve

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