CN2168131Y - Automatic flow-regulating control valve of piston type pump-pressure - Google Patents
Automatic flow-regulating control valve of piston type pump-pressure Download PDFInfo
- Publication number
- CN2168131Y CN2168131Y CN 93217617 CN93217617U CN2168131Y CN 2168131 Y CN2168131 Y CN 2168131Y CN 93217617 CN93217617 CN 93217617 CN 93217617 U CN93217617 U CN 93217617U CN 2168131 Y CN2168131 Y CN 2168131Y
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- China
- Prior art keywords
- piston
- diaphragm
- valve
- pump pressure
- valve gap
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- Expired - Fee Related
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Abstract
The utility model discloses an automatic flow regulating control valve of piston type pump pressure. The utility model changes the main flow control mode of a traditional valve. A piston is used for separating the interior of a valve body into three cavity bodies which are a filling cavity, a counter pressure cavity and a flow discharging cavity. The utility model utilizes the pressure difference of the counter pressure cavity and the filling cavity to open and close the valve. An electromagnetic pump on the upper part of a valve body is mutually matched with a flow regulating electromagnet for controlling the opening, closing and flow regulation of the utility model. The utility model which has the advantages of cost reduction, no internal and external leakage, convenient maintenance and short overhauling time can realize the automated centralized control on a pipeline network.
Description
The utility model relates to a kind of valve, transfers the current control valve automatically in particular for a kind of piston type pump pressure that fields such as water supply, air feed, chemical industry, system wine, oil provide.
The valve that uses in fields such as water supply, air feed, chemical industry, system wine, oil mostly adopts the directly valve of control main flow medium at present, is called for short the main flow control valve, and this class valve exists long-term unsolved technical problem:
1, the main flow control valve adopts spiral degree of tightness switch gear usually, and straight handwheel increases with the increase of valve volume, and the torque of handwheel is big, and switch is wasted time and energy, for the unlatching of the valve of old rust or close and feel difficulty especially.
2, the structure of main flow control valve causes mechanical wear easily, produces internal and outernal leakage therefrom, problems such as change easily damaged parts, the repair time is long, repair expenses is big.
3, the torque of spiral degree of tightness opening and closing device is big, and the open and close of large-scale valve must drive by transmission device by motor.The valve mechanism complexity of driven by motor, valve involves great expense.The valve of translator is often opened or the normally closed dead phenomenon of rust that is prone to, and motor is if starting by force makes the mechanical parts breakage easily.
4, the main flow control valve is difficult for realizing the automation centralized control in piping network.
The purpose of this utility model will provide a kind of exactly can prevent internal and outernal leakage, shorten the repair time, reduce the cost cost, can realize that again automatic central controlled piston type pump pressure transfers the current control valve automatically.
The utility model be achieved in that the piston type pump pressure transfer automatically the current control valve by valve body part, annotate and press automatic control section and water conservancy diversion to transfer the stream part to form automatically.Valve body partly is made up of main flow valve body, valve gap, diaphragm gland, backing plate.There is a valve gap that cooperates with it the top of main flow valve body.Be equipped with between valve gap and the main flow valve body and prevent the seal washer that leaks.The cavity that forms between main flow valve body and the valve gap is separated into three cavitys by piston, promptly injects chamber, drainage lumens and back pressure chamber.Piston top and valve gap are movable to be cooperated, and the piston bottom is the rounding cone table shape, cooperates with circular cone cut face on the main flow valve body.Inject the medium in chamber and press hole and pump pressure hole to enter back pressure chamber, the pressure of back pressure chamber is set up through annotating.Piston makes the piston conical surface cooperate with the circular cone cut face of main flow valve body under the pressure of back pressure chamber.Block the passage that injects chamber and discharge chamber.If will open the passage of main flow valve body, the pressure of back pressure chamber is descended, so just must open and transfer the stream electromagnet, the medium that makes back pressure chamber enters drainage lumens along pod apertures under piston makes progress roof pressure, and the main flow medium simultaneously backs down piston, and one side flows to drainage lumens.When transferring stream, can medium be pumped into back pressure chamber by electromagnetic pump, it is a certain amount of that the medium of back pressure chamber is charged into, and what of the amount of charging into are inversely proportional to height that piston lifts, and the height that piston lifts is directly proportional with the flow of main flow medium.It is a certain amount of also can to utilize the medium of transferring the stream electromagnet will be full of back pressure chamber to discharge along pod apertures, closes then and transfers the stream electromagnet, makes piston lift certain altitude, then plays the purpose of limited flow rate.
The utility model has prevented valve internal and outernal leakage problem effectively under back pressure chamber and the effect of injecting the cavity pressure difference, because structure and conventional valves structure have essential distinction, mechanical wear reduces greatly, and mechanical wear and internal and outernal leakage do not have and contact directly; The maintenance maintenance is very convenient, and the used time is short.Owing to be not that the main flow medium is directly controlled, the utility model has been cancelled spiral degree of tightness opening and closing device, and the open and close required drive is very little, does not need driven by motor to greatly reduce cost, controls this difficult problem automatically thereby solved concentrating of pipeline network system.
Below in conjunction with accompanying drawing the utility model is described in further details.
Fig. 1 is the structural representation under the utility model closed condition.
With reference to Fig. 1.The piston type pump pressure is transferred the current control valve automatically, is made up of main flow valve body (33), valve gap (30), diaphragm gland (5), (23), backing plate (6).
In the top of main flow valve body (33) valve gap (30) that cooperates is with it arranged, between valve gap (30) and main flow valve body (33), seal washer (14) is housed.Cavity between main flow valve body (33) and the valve gap (30) is separated into by piston (19) and injects chamber (11), drainage lumens (31) and back pressure chamber (18).
Back pressure chamber (18) is between valve gap (30) and the piston (19), and piston (19) both sides are respectively injects chamber and drainage lumens.
Between the top circumference of piston (19) and valve gap (30) inner peripheral wall piston ring (16) is arranged, piston ring (16) inner ring is installed in the draw-in groove (17) of piston, the outer ring of piston ring relies on the tension force of piston ring self to cooperate with valve gap (30) inwall cylndrical surface is movable, one circle gap is arranged between the inside and outside circle of piston ring, after piston ring is installed, gap is squeezed, and tension force is mainly in this generation.The elastic abrasion-proof material that piston ring is selected to have certain intensity is manufactured.When making piston be in closed condition, close tight, do not produce internal leakage, the frustum-conical surface in piston (19) bottom is equipped with the film bowl (15) that coincide with truncated cone shape, size, and film bowl (15) cooperates with the piston connection by the muscle band (35) of self.Film bowl material selects elastic flexible material to manufacture, as rubber or carbon fiber rubber.The diameter of the circular cone of piston is up big and down small, is the rounding cone table shape.The conical bottom plane cooperates with the plane contact of pairing main flow valve inner, and conical surface cooperates with the circular cone cut face of main flow valve body.
By annotating the automatic control section of pump pressure of pressing hole (13), (10), notes to press piston (9), pump pressure hole (24), pump pressure piston (25), backing plate (6), diaphragm (26), diaphragm pressing plate (5), electromagnetic pump (2) to constitute, it injects chamber (11) and presses hole (13), (10), pump pressure hole (24) to be communicated with back pressure chamber (18) by notes.Press hole and place, pump pressure hole that one-way valve (9), (25) that the medium that only allows the injection chamber enters back pressure chamber (18) are housed respectively at notes.A spring is equipped with at cavity position between diaphragm and the backing plate (6), is convenient to diaphragm (26) and lifts, and seal washer (7) is housed between backing plate and valve gap, and the diaphragm of withholding between diaphragm pressing plate and the valve gap plays fixedly diaphragm and sealing.
Backing plate (6) places the top of valve gap (30), and diaphragm gland (5) places the top of backing plate, and the top in the pump pressure hole (24) on backing plate is withheld at the edge of diaphragm (26) by diaphragm gland (5).Have one to make the up and down cavity of diaphragm (26) between diaphragm gland (5) and the backing plate.
The lower end roof pressure contact diaphragm (26) of the armature (1) in the electromagnetic pump (2) is with a pressure spring (4) electromagnetic pump in off-position on the armature shaft between diaphragm one gland (5) and the armature shaft shoulder, armature (1) then is in the enable possition.Electromagnetic pump, diaphragm gland, backing plate, valve gap are connected in the lump by screw.
Water conservancy diversion transfers the stream part to be made up of pod apertures (28), (29), (34), diaphragm (27), diaphragm gland (23), accent stream electromagnet (22) automatically.Drainage lumens (31) is communicated with back pressure chamber (18) by pod apertures (34), (29), (28).Diaphragm gland (23) places to be transferred between stream electromagnet and the valve gap (30), and is associated in together by screw.The top of the pod apertures (28) on valve gap (30) is withheld by diaphragm gland (23) in the edge of diaphragm (27), has not only fixed diaphragm, also plays seal action simultaneously.Diaphragm has a space movable up and down, blocks up downwards and presses pod apertures (28), upwards promptly opens the passage of back pressure chamber and drainage lumens.Transfer the lower end of the armature (20) in the stream electromagnet (22) to contact, between armature (20) the top shaft shoulder and accent stream electromagnet housing inwall, a pressure spring (21) that is enclosed within on the armature is arranged with diaphragm (27) roof pressure.
Transfer stream electromagnet (22) to be connected by screw with the diaphragm gland (23) and the valve gap (30) of bottom, electromagnetic pump (2) links together by screw with diaphragm gland (5), backing plate (6) and the valve gap (30) of bottom.
The piston type pump pressure transfers the flow control valve door to be connected with pipeline by the standard flange at two ends automatically.Behind the logical medium of pipeline, medium along annotate press hole (13), (10) through one-way valve (9) enter diaphragm (26) movable cavity.Start electromagnetic pump (2), the medium of diaphragm (26) bottom is pressed into one-way valve (25), enter back pressure chamber thereupon.At this moment transferring the stream electromagnet is normally off.After electromagnetic pump was full of the medium of back pressure chamber, piston (19) cut off the passage that injects chamber and drainage lumens under the pressure of back pressure chamber medium, and valve promptly is in closed condition.If there is not medium in the pipeline, valve does not promptly have work meaning.When wanting Open valve, must will transfer the stream electromagnet armature upwards to lift, main flow medium roof pressure piston (19), make the upwards extruding of medium of back pressure chamber, diaphragm (27) also lifts under the extruding that back pressure chamber matter is situated between thereupon, and the medium of back pressure chamber enters drainage lumens along pod apertures (28), (29), (34).Piston (19) upwards lifts with the minimizing of back pressure chamber pressure, has promptly opened the passage that injects chamber and drainage lumens.
Transfer stream that dual mode is arranged, the one, close and transfer the stream electromagnet, this moment, the back pressure chamber planted agent did not have medium, and medium is pumped into back pressure chamber by electromagnetic pump (2), pump into the medium amount the more, the piston raising height is littler, and main flow MEDIA FLOW flux is also little, otherwise, discharge value is bigger, the 2nd, when the medium of back pressure chamber charges into when a certain amount of, need the amplification medium amount of flow, can open and transfer the stream electromagnet, make the medium of back pressure chamber discharge a part through pod apertures, this has just strengthened the raising height of piston, and the main flow medium that injects the chamber can enter drainage lumens, plays the purpose of transferring stream.
Claims (1)
1, a kind of piston type pump pressure is transferred the current control valve automatically, transfers the stream part to form automatically by valve body part, the automatic control section of pump pressure and water conservancy diversion, it is characterized in that:
A. the piston type pump pressure transfers the valve body of current control valve partly to be made up of main flow valve body (33), valve gap (30), diaphragm gland (5), (23), backing plate (6) automatically,
In the top of main flow valve body (33) valve gap (30) that cooperates is with it arranged, between valve gap (30) and main flow valve body (33), a seal washer (14) is housed,
Cavity between main flow valve body (33) and the valve gap (30) is separated into by piston (19) and injects chamber (11), drainage lumens (31) and back pressure chamber (18),
Back pressure chamber (18) is between valve gap (30) and the piston (19), and piston (19) both sides are respectively injects chamber and drainage lumens,
Between the top circumference of piston (19) and valve gap (30) inner peripheral wall piston ring (16) is arranged, piston ring (16) inner ring is installed in the draw-in groove (17) of piston, the outer ring of piston ring relies on the tension force of piston ring self to cooperate with valve gap (30) inwall cylndrical surface is movable, the elastic abrasion-proof material that piston ring is selected to have certain intensity is manufactured
The bottom of piston (19) is circular cone shape, and its diameter is up big and down small, and frustum-conical surface is equipped with the film bowl (15) that coincide with truncated cone shape, size,
The conical bottom plane of piston (19) cooperates with the plane contact of pairing main flow valve inner, and conical surface cooperates with the circular cone cut face of main flow valve body,
B. the piston type pump pressure transfers the automatic control section of pump pressure of current control valve to press hole (13), (10), notes to press one-way valve (9), pump pressure hole (24), pump pressure one-way valve (25), backing plate (6), diaphragm (26), diaphragm pressing plate (5), electromagnetic pump (2) to form by annotating automatically
Inject chamber (11) and press hole (13), (10), pump pressure hole (24) to be communicated with, press hole and place, pump pressure hole that one-way valve (9), (25) that the medium in permission injection chamber only enters back pressure chamber (18) are housed respectively annotating with back pressure chamber (18) by annotating,
Backing plate (6) places the top of valve gap (30), diaphragm gland (5) places the top of backing plate, the edge of diaphragm (26) is withheld in the top in backing plate pump pressure hole (24) by diaphragm gland (5), has one to make the up and down cavity of diaphragm (26) between diaphragm gland and the backing plate
The lower end roof pressure contact diaphragm (26) of the armature (1) in the electromagnetic pump (2) is with a pressure spring (4) on the armature shaft between the diaphragm gland (5) and the armature shaft shoulder,
C. the piston type pump pressure transfers the water conservancy diversion of current control valve to transfer the stream part to be made up of pod apertures (28), (29), (34), diaphragm (27), diaphragm gland (23), accent stream electromagnet (22) automatically automatically,
Drainage lumens (31) is communicated with back pressure chamber (18) by pod apertures (34), (29), (28),
The top of the pod apertures (28) on valve gap (30) is withheld by diaphragm gland (23) in the edge of diaphragm (27),
Transfer the lower end of the armature (20) in the stream electromagnet (22) to contact, between armature (20) the top shaft shoulder and accent stream electromagnet housing inwall, a pressure spring (21) that is enclosed within on the armature arranged with diaphragm (27) roof pressure,
D. the piston type pump pressure transfers the accent stream electromagnet (22) of current control valve to be connected by screw with the diaphragm gland (23) and the valve gap (30) of bottom automatically, and electromagnetic pump (2) connects by screw with diaphragm gland (5), backing plate (6) and the valve gap (30) of bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93217617 CN2168131Y (en) | 1993-07-07 | 1993-07-07 | Automatic flow-regulating control valve of piston type pump-pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93217617 CN2168131Y (en) | 1993-07-07 | 1993-07-07 | Automatic flow-regulating control valve of piston type pump-pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2168131Y true CN2168131Y (en) | 1994-06-08 |
Family
ID=33797497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93217617 Expired - Fee Related CN2168131Y (en) | 1993-07-07 | 1993-07-07 | Automatic flow-regulating control valve of piston type pump-pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2168131Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100416106C (en) * | 2005-08-09 | 2008-09-03 | 上海凯泉泵业（集团）有限公司 | Automatic flush valve for pollution discharge pump |
-
1993
- 1993-07-07 CN CN 93217617 patent/CN2168131Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100416106C (en) * | 2005-08-09 | 2008-09-03 | 上海凯泉泵业（集团）有限公司 | Automatic flush valve for pollution discharge pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |