CN107387778B - A kind of flow valve - Google Patents
A kind of flow valve Download PDFInfo
- Publication number
- CN107387778B CN107387778B CN201710824884.6A CN201710824884A CN107387778B CN 107387778 B CN107387778 B CN 107387778B CN 201710824884 A CN201710824884 A CN 201710824884A CN 107387778 B CN107387778 B CN 107387778B
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- China
- Prior art keywords
- valve
- power
- pot cover
- assisted
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
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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
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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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
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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
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a kind of flow valves, the configuration of the present invention is simple, when big air pressure enters from air inlet, the pressure of air inlet port regions can increase rapidly, pressure is applied to all faces in air inlet port regions, and jam pot cover component and power-assisted ring assemblies all receive pressure, since valve is in close valve state, the power-assisted cavity of valve body and gas outlet region do not have gas, so without pressure.Power-assisted ring is by thrust up, if at this moment valve opening, the pressure of jam pot cover component is equal to the pressure that upper bracket surface is subtracted power-assisted surface by pressure, then the pressure of jam pot cover component will be much less, the resistance of valve opening can be also much less, and such valve opening is just easier.In the case where pressure is big, the time of valve opening and power consumption are but many without increasing.Rear air inlet port regions are equal with the pressure of the power-assisted cavity of valve body and gas outlet region in place for valve opening, so closing valve will not be by pressure influence.
Description
Technical field
The present invention relates to valve body structure technical field, specially a kind of flow valve.
Background technique
Flow valve is mainly used for belonging to one kind of shut-off valve among natural gas line, and flow valve is usually to be carried out using screw rod
Valve opening or closing are driven, traditional flow valve valve, opening is to carry out band movable valve valve opening by motor and the power of deceleration, this
Open and be easier when sample low-pressure, but open when pressure is big it is just relatively difficult so that flow is obstructed, it is difficult to reach flow valve
Control purpose.
Summary of the invention
The purpose of the present invention is to provide a kind of flow valves, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of flow valve, including valve body, it is located at valve body bottom
Air inlet on the left of portion, the gas outlet on the right side of body base, the valve seat positioned at body top, the power-assisted positioned at valve inner
Group, it is characterised in that:
Valve bush is provided in the gas outlet, the valve bush is provided with jam pot cover, the jam pot cover and valve far from gas outlet side
Lining is that inclined-plane seals, and the jam pot cover is located at valve bush side and is fixedly installed jam pot cover pressing plate;Jam pot cover component and valve bush are inclined-plane sealing,
Rear valve air inlet and gas outlet are opened into linear type, such air-flow is not obstructed, unlike previous valve air inlet and outlet are at right angle, air-flow meeting
It is obstructed;
The jam pot cover fixed sleeves are equipped with upper bracket, and the upper bracket is far from valve bush side integrally formed with a protrusion, institute
It states protrusion and is wrapped with left support seat and right support seat, be provided with semicircle on vertical direction between the left support and right support
Perforation is worn in the left support and right support horizontal direction so that forming cylindrical bore after left support and right support merging are fixed
Equipped with jam pot cover locating shaft;
The locating rack that the power-assisted group includes assister bar, is arranged on valve seat, the power-assisted cavity bottom of the valve body are fixed
There is positioning ring, the assister bar is threaded through positioning ring center, is equipped with power-assisted ring on the assister bar, and the assister bar is outer, position
It is arranged with spring between body top and power-assisted ring, is welded with the transmission worn in fixed horizontal direction at the top of the assister bar
Bar, described drive rod one end is threaded through in the hollow hole on locating rack, integrally formed with bearing one on the other end;
It is welded with tooth rest, motor and lifter on the valve seat, is arranged with transition gear outside the motor output shaft,
Ratchet is provided on the tooth rest.Lifter is made of on upper surface helical form, and has bearing one above drive rod,
In valve opening, the bearing one of drive rod and helicoid are line contacts in this way, and bearing one rolls on helicoid when drive rod rises,
The transmission of this mode, frictional force can very littles.It also can be more reliable.
Preferably, sealing joint circle and valve bush O type circle are disposed between the valve bush and valve body from outside to inside.
Preferably, the chamber and convex shape formed between the left support seat and right support seat is in the same size, and left branch
Stand is fixedly connected with right support seat by bolt and nut.
Preferably, it is fluted that the integrated molding of jam pot cover locating shaft two sides is located in the valve body, and the setting of jam pot cover locating shaft exists
Between two grooves, for positioning jam pot cover.
Preferably, power-assisted ring sealing ring, the positioning are provided between the power-assisted ring and the power-assisted cavity inner wall of valve body
Ring center is fixed with copper sheathing, and the copper sheathing overall diameter is consistent with positioning ring interior diameter.
Preferably, the drive rod and hollow hole contact position are provided with bearing two, and the assister bar is located at below valve seat
It is arranged with linear bearing outside, is provided with shaft pressuring plate below the linear bearing.
Preferably, the transition gear and ratchet are ratcheting, the lifter bottom be tooth form, the ratchet with
Lifter bottom is ratcheting, and the lifter upper surface is screw type, and the bearing one is rolled with lifter upper surface to be connected.
Compared with prior art, the beneficial effects of the present invention are: the configuration of the present invention is simple, when big air pressure from air inlet into
Enter, the pressure of air inlet port regions can increase rapidly, and pressure is applied to all faces in air inlet port regions, jam pot cover component and power-assisted ring assemblies
Pressure is all received, since valve is in close valve state, the power-assisted cavity of valve body and gas outlet region do not have gas, so not having
There is pressure.Power-assisted ring is by thrust up, if at this moment valve opening, the pressure of jam pot cover component is pressurized equal to upper bracket surface
Power subtracts the pressure on power-assisted surface, then the pressure of jam pot cover component will be much less, the resistance of valve opening can be also much less, this
Sample valve opening is just easier.In the case where pressure is big, the time of valve opening and power consumption are but many without increasing.Valve opening is laggard in place
Port region is equal with the pressure of the power-assisted cavity of valve body and gas outlet region, so closing valve will not be by pressure influence.
Detailed description of the invention
Fig. 1 is internal structure perspective view of the present invention;
Fig. 2 is schematic diagram of internal structure of the present invention;
Fig. 3 is power-assisted group schematic perspective view;
Fig. 4 is left and right bracket fixed valve seal structure schematic diagram;
Fig. 5 is jam pot cover structural perspective.
In figure: 1- valve body;2- air inlet;The gas outlet 3-;4- valve seat;5- power-assisted group;6- valve bush;7- jam pot cover;8- jam pot cover pressure
Plate;9- upper bracket;10- protrusion;11- left support seat;12- right support seat;13- cylindrical bore;14- jam pot cover locating shaft;15- is helped
Power bar;16- locating rack;17- power-assisted cavity;18- positioning ring;19- power-assisted ring;20- spring;21- drive rod;22- hollow hole;
23- bearing one;24- tooth rest;25- motor;26- lifter;27- transition gear;28- ratchet;29- sealing joint circle;
30- valve bush O-ring;31- groove;32- power-assisted ring sealing ring;33- copper sheathing;34- bearing two;35- linear bearing;36- axis pressure
Plate;The air inlet port regions a-;The power-assisted cavity of b- valve body and gas outlet region.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to shown in attached drawing, the present invention provides a kind of technical solution: a kind of flow valve, including valve body 1, be located at valve body 1
The air inlet 2 of bottom left, the valve seat 4 positioned at 1 top of valve body, is located at valve body 1 at the gas outlet 3 positioned at 1 bottom right of valve body
Internal power-assisted group 5, it is characterised in that:
Valve bush 6 is provided in the gas outlet 2, the valve bush 6 is provided with jam pot cover 7, the jam pot cover far from 2 side of gas outlet
7 and valve bush 6 be inclined-plane sealing, the jam pot cover 7 is located at 6 side of valve bush and is fixedly installed jam pot cover pressing plate 8;Jam pot cover component and valve bush 6
For inclined-plane sealing, open rear valve air inlet and gas outlet into linear type, such air-flow is not obstructed, unlike previous valve air inlet and outlet at
Right angle, air-flow can be obstructed;
7 fixed sleeves of jam pot cover are equipped with upper bracket 9, and the upper bracket 9 is far from 6 side of valve bush integrally formed with a protrusion
10, described raised 10 are wrapped with left support seat 11 and right support seat 12, vertical side between the left support 11 and right support 12
It is provided with semicircle perforation 13 upwards, so that forming cylindrical bore 13, the left side after left support 11 and the merging of right support 12 are fixed
Jam pot cover locating shaft 14 is equipped in 12 horizontal direction of bracket 11 and right support;
The power-assisted group 5 includes assister bar, the locating rack being arranged on valve seat, and 17 bottom of power-assisted cavity of the valve body is solid
Surely there is positioning ring 18, the assister bar 15 is threaded through positioning ring center, and power-assisted ring 19 is equipped on the assister bar 15, described
It is arranged with spring 20 outside assister bar, between 1 top of valve body and power-assisted ring 19, fixes horizontal direction at the top of the assister bar 15
On be welded with the drive rod 21 worn, described 21 one end of drive rod is threaded through in the hollow hole 22 on locating rack 16, on the other end
Integrally formed with bearing 1;
It is welded with tooth rest 24, motor 25 and lifter 26 on the valve seat 4, was arranged with outside the motor output shaft
Gear 27 is crossed, is provided with ratchet 28 on the tooth rest 24.Lifter is made of on 26 upper surface helical form, and drive rod
15 have bearing 1 again above, and in valve opening, the bearing 1 of drive rod 15 and helicoid are that line contacts in this way, on drive rod 15
Bearing 1 rolls on helicoid when rising, the transmission of this mode, and frictional force can very little.It also can be more reliable.
Further, it is disposed with sealing joint circle 29 from outside to inside between the valve bush 6 and valve body 1 and valve bush is O-shaped
Circle 30, the chamber formed between the left support seat 11 and right support seat 12 is consistent with raised 10 shape sizes, and left support seat
11 are fixedly connected with right support 12 by bolt and nut, and it is fluted that the integrated molding of jam pot cover locating shaft two sides is located in the valve body
31, and jam pot cover locating shaft 14 is arranged between two grooves 31, for positioning jam pot cover 7, the power-assisted of the power-assisted ring 19 and valve body 1
It is provided with power-assisted ring sealing ring 32 between 17 inner wall of cavity, 18 center of positioning ring is fixed with copper sheathing 33, outside the copper sheathing 33
Diameter is consistent with 18 interior diameter of positioning ring, and the drive rod 15 is provided with bearing 2 34 with 22 contact position of hollow hole, described to help
Power bar 15, which is located at outside 4 lower section of valve seat, is arranged with linear bearing 35, and shaft pressuring plate 36, the mistake are provided with below the linear bearing 35
It crosses gear 27 and ratchet 28 is ratcheting, 26 bottom of lifter is tooth form, the ratchet 28 and 26 bottom of lifter
Ratcheting, 26 upper surface of lifter is screw type, and the bearing 1 is rolled with 26 upper surface of lifter to be connected.
When the present invention comes into operation: when powering to motor 25, after ratchet 28 is engaged with the gear of lifter,
The gear of lifter 26 with the drive rod 21 in power-assisted group 5 toward up moving clockwise, due to power-assisted group 5 and jam pot cover component
It is connected, jam pot cover component, which also can be moved up, realizes valve opening, and gas can flow to gas outlet 3 from air inlet 2.
When valve is in valve opening, since spring 20 compresses, while energy storage.When motor 25 rotates counterclockwise, unidirectional tooth
It takes turns the 28 past gears with lifter to be separated from, due to spring-compressed, counter can push away power-assisted group 5, power-assisted group 5 can be past rapidly with jam pot cover 7
Under fall, realize close valve.
The principle of the present invention are as follows: when big air pressure enters from air inlet 2, the pressure of air inlet port regions a can be increased rapidly, and press
Power is applied to all faces air inlet port regions a, and jam pot cover component and power-assisted ring 19 all receive pressure, closes valve shape since valve is in
State, the power-assisted cavity and gas outlet region b of valve body do not have gas, so without pressure.Power-assisted ring 19 by thrust up,
If at this moment valve opening, the pressure of jam pot cover component is equal to the pressure that 9 surface of upper bracket is subtracted power-assisted surface by pressure, then valve
The pressure of sealing assembly will be much less, and the resistance of valve opening can be also much less, and such valve opening is just easier.Big in pressure
In the case of valve opening time and power consumption it is but many without increasing.Valve opening in place after air inlet port regions and valve body power-assisted cavity and
The pressure of gas outlet region b is equal, so closing valve will not be by pressure influence.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of flow valve, including valve body, the air inlet on the left of body base, the gas outlet on the right side of body base,
Valve seat positioned at body top, the power-assisted group positioned at valve inner, it is characterised in that:
Valve bush is provided in the gas outlet, the valve bush is provided with jam pot cover far from gas outlet side, and the jam pot cover and valve bush are
Inclined-plane sealing, the jam pot cover are located at valve bush side and are fixedly installed jam pot cover pressing plate;
The jam pot cover fixed sleeves are equipped with upper bracket, and the upper bracket is raised integrally formed with one far from valve bush side, described convex
It rises and is wrapped with left support seat and right support seat, be provided with semicircle on vertical direction between the left support and right support and wear
Hole is worn in the left support and right support horizontal direction so that forming cylindrical bore after left support and right support merging are fixed
There is jam pot cover locating shaft;
The locating rack that the power-assisted group includes assister bar, is arranged on valve seat, the power-assisted cavity bottom of the valve body are fixed with fixed
Position ring, the assister bar are threaded through positioning ring center, and power-assisted ring is equipped on the assister bar, and the assister bar is outer, is located at valve
Spring is arranged at the top of body between power-assisted ring, is welded with the drive rod worn in fixed horizontal direction at the top of the assister bar,
Described drive rod one end is threaded through in the hollow hole on locating rack, integrally formed with bearing one on the other end;
It is welded with tooth rest, motor and lifter on the valve seat, is arranged with transition gear outside the motor output shaft, it is described
Ratchet is provided on tooth rest.
2. a kind of flow valve according to claim 1, it is characterised in that: between the valve bush and valve body from outside to inside successively
It is provided with sealing joint circle and valve bush O-ring.
3. a kind of flow valve according to claim 1, it is characterised in that: formed between the left support seat and right support seat
Chamber and convex shape it is in the same size, and left support seat is fixedly connected with right support seat by bolt and nut.
4. a kind of flow valve according to claim 1, it is characterised in that: be located at jam pot cover locating shaft two sides one in the valve body
It is body formed fluted, and jam pot cover locating shaft is arranged between two grooves, for positioning jam pot cover.
5. a kind of flow valve according to claim 1, it is characterised in that: the power-assisted cavity inner wall of the power-assisted ring and valve body
Between be provided with power-assisted ring sealing ring, the positioning ring center is fixed with copper sheathing, the copper sheathing overall diameter and positioning ring interior diameter
Unanimously.
6. a kind of flow valve according to claim 1, it is characterised in that: the drive rod and hollow hole contact position are arranged
There is bearing two, the assister bar, which is located at outside valve seat lower section, is arranged with linear bearing, is provided with shaft pressuring plate below the linear bearing.
7. a kind of flow valve according to claim 1, it is characterised in that: the transition gear and ratchet are ratcheting, institute
Stating lifter bottom is tooth form, and the ratchet and lifter bottom are ratcheting, and the lifter upper surface is screw type, described
Bearing one and lifter upper surface, which roll, to be connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710824884.6A CN107387778B (en) | 2017-09-14 | 2017-09-14 | A kind of flow valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710824884.6A CN107387778B (en) | 2017-09-14 | 2017-09-14 | A kind of flow valve |
Publications (2)
Publication Number | Publication Date |
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CN107387778A CN107387778A (en) | 2017-11-24 |
CN107387778B true CN107387778B (en) | 2019-04-26 |
Family
ID=60351503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710824884.6A Active CN107387778B (en) | 2017-09-14 | 2017-09-14 | A kind of flow valve |
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CN (1) | CN107387778B (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997030616A1 (en) * | 1996-02-24 | 1997-08-28 | Ban Sung Co., Ltd. | Device for automatically controlling the steam valve in electric pressure cookers |
CN2510677Y (en) * | 2001-10-23 | 2002-09-11 | 朱建 | Blocking-free, low-power-consumption, high-reliable, IC card gas meter motor-driving valve |
JP2003166661A (en) * | 2001-12-03 | 2003-06-13 | Aichi Tokei Denki Co Ltd | Opening/closing valve for gas meter |
CN102313067A (en) * | 2010-06-30 | 2012-01-11 | 株式会社电装 | Valve control equipment |
CN103511716A (en) * | 2012-06-20 | 2014-01-15 | 常州乐士雷利电机有限公司 | Drain valve |
CN103629017A (en) * | 2012-08-22 | 2014-03-12 | 株式会社电装 | Exhaust control valve device for internal combustion engine |
CN104455672A (en) * | 2013-09-18 | 2015-03-25 | 博格华纳公司 | Actuator and valve arrangement |
CN206347123U (en) * | 2016-12-27 | 2017-07-21 | 金卡智能集团股份有限公司 | A kind of gas meter, flow meter controls valve arrangement |
-
2017
- 2017-09-14 CN CN201710824884.6A patent/CN107387778B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997030616A1 (en) * | 1996-02-24 | 1997-08-28 | Ban Sung Co., Ltd. | Device for automatically controlling the steam valve in electric pressure cookers |
CN2510677Y (en) * | 2001-10-23 | 2002-09-11 | 朱建 | Blocking-free, low-power-consumption, high-reliable, IC card gas meter motor-driving valve |
JP2003166661A (en) * | 2001-12-03 | 2003-06-13 | Aichi Tokei Denki Co Ltd | Opening/closing valve for gas meter |
CN102313067A (en) * | 2010-06-30 | 2012-01-11 | 株式会社电装 | Valve control equipment |
CN103511716A (en) * | 2012-06-20 | 2014-01-15 | 常州乐士雷利电机有限公司 | Drain valve |
CN103629017A (en) * | 2012-08-22 | 2014-03-12 | 株式会社电装 | Exhaust control valve device for internal combustion engine |
CN104455672A (en) * | 2013-09-18 | 2015-03-25 | 博格华纳公司 | Actuator and valve arrangement |
CN206347123U (en) * | 2016-12-27 | 2017-07-21 | 金卡智能集团股份有限公司 | A kind of gas meter, flow meter controls valve arrangement |
Also Published As
Publication number | Publication date |
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CN107387778A (en) | 2017-11-24 |
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