CN106402463A - Water supplementing device utilizing remote-control floating ball valve - Google Patents
Water supplementing device utilizing remote-control floating ball valve Download PDFInfo
- Publication number
- CN106402463A CN106402463A CN201610993040.XA CN201610993040A CN106402463A CN 106402463 A CN106402463 A CN 106402463A CN 201610993040 A CN201610993040 A CN 201610993040A CN 106402463 A CN106402463 A CN 106402463A
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- China
- Prior art keywords
- water tank
- valve
- water
- remote control
- water inlet
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- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
- F16K31/20—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve
- F16K31/22—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve with the float rigidly connected to the valve
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Float Valves (AREA)
Abstract
The invention relates to a water supplementing device utilizing a remote-control floating ball valve. The device comprises a water inlet tube, a large water tank which communicates with the water inlet tube, a water outlet tube which communicates with the large water tank, a small water tank which is arranged inside the large water tank and communicates with the large water tank, and the remote-control floating ball valve, wherein the remote-control floating ball valve comprises a main valve arranged on the water inlet tube, a pilot valve head for controlling the main valve to connect and disconnect as well as a floating ball which is arranged inside the small water tank and is in transmission connection with the pilot valve head; and the floating ball moves up and down to control a water supplementing process of supplementing water into the large water tank from the water inlet pipe. Compared with the prior art, the water supplementing device has the advantages that: the small water tank is arranged in the large water tank to limit up-down moving amplitude of the floating ball; a balance hole in the small water tank can achieve the buffer effect, so that water level in the small water tank and the floating ball are prevented from fluctuating greatly and fluctuating quickly and frequently when water level in the large water tank fiercely changes, and connection-disconnection times of the main valve are reduced, and therefore, the fault rate of the device is greatly reduced, the reliability of the device is improved and the service life of the device is prolonged.
Description
Technical field
The invention belongs to water tank water supplement technology field, it is related to a kind of remote control float valve water replanishing device.
Background technology
In existing water tank water replanishing device, generally using remote control float valve, the water level in water tank is regulated and controled.Remote control
The ball float of ball-cock assembly is placed directly in water tank, and ball float is linked with the pilot valve head of remote control float valve, is controlled by the height of ball float
The position of pilot valve head, and then so that the main valve of remote control float valve is turned on and off.When the liquid level in water tank changes, ball float
Position also accordingly changes, if ball float is located at low level, pilot valve head is located at a high position, and main valve is opened, and main valve both sides connect, and water inlet pipe is opened
Begin to moisturizing in water tank；If ball float is located at a high position, pilot valve head is located at low level, and main valve is closed, and main valve both sides separate, and water inlet pipe stops
Only to moisturizing in water tank.
There are many problems in traditional water tank water replanishing device in application process, for example：Due in water inlet pipe and outlet pipe
Flow is often larger, and during the user's water to moisturizing in water tank or water tank downstream, the water-level fluctuation in water tank is very fast,
Lead to ball float often to occur sharp to rise or fall, and the amplitude fluctuating is excessive, be easily damaged ball float and be associated
Dynamic component；Because the user in water tank downstream is more frequent with water, lead to water level frequent fluctuation in water tank so that ball float and correlation
The fault rate of linkage part is high, needs often to change, wastes time and energy, and increased cost；Sensitivity due to remote control float valve
Height, when water level frequent fluctuation, even small SEA LEVEL VARIATION will also result in main valve and is frequently turned on and off so that in main valve
The part in portion such as main film, valve element etc. are also easily damaged, and lead to the poor reliability of traditional water tank water replanishing device, service life is relatively
Short.
Content of the invention
The purpose of the present invention provides a kind of long service life to overcome the defect that above-mentioned prior art exists
Remote control float valve water replanishing device.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of remote control float valve water replanishing device, this device includes large water tank and the flood that water inlet pipe is connected with water inlet pipe
Outlet pipe that case is connected, it is arranged on that large water tank is internal and the little water tank that is connected with large water tank and remote control float valve, this is distant
Main valve that control ball-cock assembly includes being arranged on water inlet pipe, the pilot valve head of control bound break-make and be arranged on little water tank internal and with
The ball float that pilot valve head is in transmission connection, described ball float moves up and down, and controls water inlet pipe to the moisturizing process in large water tank.Described
The upper opening of little water tank, this little water tank limits the amplitude that ball float moves up and down, and can be prevented effectively from what ball float moved up and down
Amplitude is excessive and damage ball float and related linkage part.
As preferred technical scheme, described ball float is stainless steel or copper hollow ball, the material of described little water tank
Matter is stainless steel.
One end of described water inlet pipe is provided with water inlet, and this water inlet is located at the inside of large water tank, and described water inlet pipe leads to
Cross water inlet to be connected with large water tank.Water in water inlet pipe is flowed directly in large water tank by water inlet, prevents water in large water tank
Quickly fluctuating widely of position and lead to steeply rising or declining of ball float.
The side of described little water tank offers balance pipe, and described little water tank is connected with large water tank by balance pipe.
Balance pipe can play the effect connecting little water tank and large water tank, and so that level is quietly flowed between little water tank and large water tank,
So that ball float steadily rises or falls, stable operation, it is to avoid the adverse effect to remote control float valve for the water level rapid fluctuation.?
Under poised state, little water tank is flushed with the water surface in large water tank；When the water surface in little water tank with large water tank has difference in height, put down
Flow rate between large water tank and little water tank for the water can be slowed down in weighing apparatus hole.When in large water tank, liquid level is too high, balance pipe makes greatly
Water in water tank slowly flows into little water tank；When in large water tank, liquid level is too low, balance pipe makes the water in little water tank lentamente flow
Enter large water tank.Therefore, when the water level acute variation in large water tank, balance pipe can play the effect of buffering, is prevented effectively from little
The rapid fluctuations of the water surface and frequent fluctuation in water tank, and decrease the number of times of main valve break-make, reduce ball float and related linkage portion
Part and the fault rate of main valve internal part, improve reliability and the service life of device.
As preferred technical scheme, described balance pipe is provided with multiple altogether, and is vertically uniformly opened in little water
The side of case.
Described main valve includes the valve body being arranged on water inlet pipe and the upper spacer being arranged on valve inner and lower clapboard,
It is provided with valve port, described pilot valve head passes through the break-make of valve port control bound between described upper spacer and lower clapboard.Described is upper
Dividing plate is connected with the upper half of valve body, and described lower clapboard is connected with the lower half of valve body, the described bottom of upper spacer, under every
The top of plate is respectively equipped with the first sealing plate, the second sealing plate, the first described sealing plate and the second sealing plate be respectively positioned on every
Between the bottom of plate and the top of lower clapboard, described valve port is arranged between the first sealing plate and the second sealing plate.Work as pilot valve
When valve port is blocked by head, main valve both sides separate；When pilot valve head departs from valve port, main valve both sides connect.
Described pilot valve head includes the flap being arranged on valve port and is arranged on flap and stretches out the valve outside valve body
Bar, this valve rod and ball float are in transmission connection.When flap is pressed simultaneously against on the first sealing plate and the second sealing plate, valve port is plugged,
Main valve both sides separate；When pilot valve head departs from the first sealing plate and the second sealing plate, valve port is released, and main valve both sides connect.
The bottom of described flap is provided with sealing ring.Described sealing ring can strengthen flap and the first sealing plate, second
Seal between sealing plate, valve port is tightly blocked.
It is provided with conduit, the two ends of this conduit valve hinged with valve rod, ball float, described respectively between described valve rod and ball float
Body is provided with the bearing hinged with conduit, and described valve rod is in transmission connection with ball float by conduit.Using lever principle, work as ball float
Positioned at low level when, valve rod be located at a high position；When ball float is located at high-order, valve rod is located at low level.
As preferred technical scheme, one end of described conduit is provided with articulated joint, described ball float pass through articulated joint with
Conduit is hinged, and described ball float can rotate around articulated joint in perpendicular.
It is additionally provided with butterfly valve on described water inlet pipe.In normal operation, butterfly valve is opened；When need overhaul remote control ball float
When valve or other part, close butterfly valve, make to stop into water in-pipe flow, you can carry out service work.
As preferred technical scheme, described butterfly valve is provided with two altogether, and is located at the both sides of main valve respectively.
The side of described large water tank is provided with overflow pipe.When the water surface in large water tank exceedes peak, by overflow pipe
Excessive water is released.
Described large water tank is provided with liquid level gauge.This liquid level gauge can water level in real-time monitoring large water tank, be easy in time
Find fault.
As preferred technical scheme, described liquid level gauge is arranged on the lateral surface of large water tank, and the inside with large water tank
Connection.
Described water inlet pipe external municipal tap water pipe network or central water supply station pipeline, the use in described outlet pipe and downstream
Family end is connected.
The operation principle of the present invention is：In the state of the equilibrium, little water tank is flushed with the water surface in large water tank, and is respectively positioned on height
Position, main valve is closed, and main valve both sides separate；When the water surface rapid decrease in large water tank, the water in little water tank is slowly through flat
Weighing apparatus hole flows into large water tank, and ball float slowly declines, main valve open, and main valve both sides gradually connect, and water inlet pipe is to moisturizing in large water tank；When
Water surface rapid increase in large water tank during higher than the water surface in little water tank, the water in large water tank flows into slowly through balance pipe
Little water tank, ball float slowly rises, and the discharge in water inlet pipe is gradually lowered；When the water surface in large water tank continues to raise, and simultaneously
When flooding multiple balance pipe, because multiple balance pipes connect little water tank with large water tank so that the water surface in little water tank rises simultaneously
Speed is gradually accelerated, and until ball float returns to a high position, main valve is closed, and the water level that effectively prevent in large water tank is too high.
Compared with prior art, the invention has the characteristics that：
1) pass through to arrange little water tank in large water tank, limit the amplitude that ball float moves up and down, ball float can be prevented effectively from
The amplitude moving up and down is excessive and damage ball float and related linkage part, reduce the fault rate of device, it is to avoid multiple maintenance,
Thus reduce maintenance cost, improve reliability and the service life of device；
2) balance pipe on little water tank can play the effect of buffering, effectively prevent the water level acute variation in large water tank
When, the rapid fluctuations of the water surface and ball float and frequent fluctuation in little water tank, and decrease the number of times of main valve break-make, reduce as much as possible
The adverse effect to device for the SEA LEVEL VARIATION of large water tank, reduce further the fault rate of device, improves the reliability of device
And service life.
Brief description
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the structural representation of main valve in the present invention；
In figure description of symbols：
1 water inlet pipe, 2 butterfly valves, 3 water inlets, 4 pilot valve heads, 5 main valves, 51 valve bodies, 52 upper spacers,
53 lower clapboards, 54 valve ports, 55 flaps, 56 valve rods, 57 bearings, 6 conduits, 7 overflow pipes, 8 ball floats, 9
Little water tank, 10 balance pipes, 11 liquid level gauges, 12 large water tanks, 13 outlet pipes.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention be not limited to
Following embodiments.
Embodiment：
A kind of remote control float valve water replanishing device as shown in Figure 1, this device includes what water inlet pipe 1 was connected with water inlet pipe 1
Outlet pipe 13 that large water tank 12 is connected with large water tank 12, to be arranged on large water tank 12 internal and little with what large water tank 12 was connected
Water tank 9 and remote control float valve, main valve 5 that this remote control float valve includes being arranged on water inlet pipe 1, the leading of control bound 5 break-make
Valve head 4 and be arranged on the ball float 8 that little water tank 9 is internal and is in transmission connection with pilot valve head 4, ball float 8 moves up and down, and controls water inlet pipe
1 to the moisturizing process in large water tank 12.
Wherein, one end of water inlet pipe 1 is provided with water inlet 3, and this water inlet 3 is located at the inside of large water tank 12, and water inlet pipe 1 passes through
Water inlet 3 is connected with large water tank 12.The side of little water tank 9 offers balance pipe 10, and little water tank 9 passes through balance pipe 10 and flood
Case 12 is connected, and balance pipe 10 is provided with multiple altogether, and is vertically uniformly opened in the side of little water tank 9.
As shown in Fig. 2 main valve 5 include the valve body 51 being arranged on water inlet pipe 1 and be arranged within valve body 51 on every
Plate 52 and lower clapboard 53, are provided with valve port 54 between upper spacer 52 and lower clapboard 53, pilot valve head 4 passes through valve port 54 control bound 5
Break-make.
Pilot valve head 4 includes the flap 55 being arranged on valve port 54 and is arranged on flap 55 and stretches out outside valve body 51
Valve rod 56, this valve rod 56 and ball float 8 are in transmission connection.The bottom of flap 55 is provided with sealing ring.It is provided between valve rod 56 and ball float 8 and lead
Pipe 6, the two ends of this conduit 6 are hinged with valve rod 56, ball float 8 respectively, and valve body 51 is provided with the bearing 57 hinged with conduit 6, valve rod
56 are in transmission connection with ball float 8 by conduit 6.
Butterfly valve 2 is additionally provided with water inlet pipe 1.The side of large water tank 12 is provided with overflow pipe 7.Large water tank 12 is provided with liquid level gauge
11.
The operation principle of this device is：In the state of the equilibrium, little water tank 9 is flushed with the water surface in large water tank 12, and equal position
In a high position, main valve 5 is closed, and main valve 5 both sides separate；When the water surface rapid decrease in large water tank 12, the water in little water tank 9 is slow
Ground flows into large water tank 12 by balance pipe 10, and ball float 8 slowly declines, and main valve 5 is opened, and main valve 5 both sides gradually connect, water inlet pipe 1
The moisturizing into large water tank 12；During when the water surface rapid increase in large water tank 12 and higher than the water surface in little water tank 9, in large water tank 12
Water flow into little water tank 9 slowly through balance pipe 10, ball float 8 slowly rises, and the discharge in water inlet pipe 1 is gradually lowered；When
The water surface in large water tank 12 continues to raise, and when flooding multiple balance pipe 10 simultaneously, due to multiple balance pipes 10 connect simultaneously little
Water tank 9 with large water tank 12 so that the water surface rising velocity in little water tank 9 is gradually accelerated, until ball float 8 returns to a high position, by main valve 5
Close, the water level that effectively prevent in large water tank 12 is too high.
The above-mentioned description to embodiment is to be understood that and use invention for ease of those skilled in the art.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiment without through performing creative labour.Therefore, the invention is not restricted to above-described embodiment, ability
, according to the announcement of the present invention, the improvement made without departing from scope and modification all should be the present invention's for field technique personnel
Within protection domain.
Claims (10)
1. a kind of remote control float valve water replanishing device is it is characterised in that this device includes water inlet pipe (1) is connected with water inlet pipe (1)
Large water tank (12) be connected with large water tank (12) outlet pipe (13), be arranged on that large water tank (12) is internal and and large water tank
(12) the little water tank (9) being connected and remote control float valve, this remote control float valve includes the main valve being arranged on water inlet pipe (1)
(5), the pilot valve head (4) of control bound (5) break-make and to be arranged on little water tank (9) internal and be in transmission connection with pilot valve head (4)
Ball float (8), described ball float (8) moves up and down, and controls water inlet pipe (1) to the moisturizing process in large water tank (12).
2. a kind of remote control float valve water replanishing device according to claim 1 is it is characterised in that described water inlet pipe (1)
One end is provided with water inlet (3), and this water inlet (3) is located at the inside of large water tank (12), and described water inlet pipe (1) passes through water inlet
(3) it is connected with large water tank (12).
3. a kind of remote control float valve water replanishing device according to claim 1 is it is characterised in that described little water tank (9)
Side offers balance pipe (10), and described little water tank (9) is connected with large water tank (12) by balance pipe (10).
4. a kind of remote control float valve water replanishing device according to claim 1 is it is characterised in that described main valve (5) includes
The valve body (51) being arranged on water inlet pipe (1) and the upper spacer (52) being arranged on valve body (51) inside and lower clapboard (53), institute
It is provided with valve port (54), described pilot valve head (4) passes through valve port (54) and controls master between the upper spacer (52) stated and lower clapboard (53)
The break-make of valve (5).
5. a kind of remote control float valve water replanishing device according to claim 4 is it is characterised in that described pilot valve head (4) wraps
Include the flap (55) being arranged on valve port (54) and be arranged on flap (55) above and stretch out the outside valve rod (56) of valve body (51),
This valve rod (56) is in transmission connection with ball float (8).
6. a kind of remote control float valve water replanishing device according to claim 5 is it is characterised in that the bottom of described flap (55)
Portion is provided with sealing ring.
7. a kind of remote control float valve water replanishing device according to claim 5 it is characterised in that described valve rod (56) with floating
It is provided with conduit (6), the two ends of this conduit (6) valve body (51) hinged with valve rod (56), ball float (8), described respectively between ball (8)
It is provided with and the hinged bearing (57) of conduit (6), described valve rod (56) is in transmission connection with ball float (8) by conduit (6).
8. a kind of remote control float valve water replanishing device according to any one of claim 1 to 7 is it is characterised in that described enters
Butterfly valve (2) is additionally provided with water pipe (1).
9. a kind of remote control float valve water replanishing device according to any one of claim 1 to 7 is it is characterised in that described is big
The side of water tank (12) is provided with overflow pipe (7).
10. a kind of remote control float valve water replanishing device according to any one of claim 1 to 7 is it is characterised in that described is big
Water tank (12) is provided with liquid level gauge (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610993040.XA CN106402463A (en) | 2016-11-11 | 2016-11-11 | Water supplementing device utilizing remote-control floating ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610993040.XA CN106402463A (en) | 2016-11-11 | 2016-11-11 | Water supplementing device utilizing remote-control floating ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106402463A true CN106402463A (en) | 2017-02-15 |
Family
ID=59230111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610993040.XA Pending CN106402463A (en) | 2016-11-11 | 2016-11-11 | Water supplementing device utilizing remote-control floating ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106402463A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766903A (en) * | 2020-07-21 | 2020-10-13 | 重庆中沛园林工程有限公司 | Simple flow control device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005099895A (en) * | 2003-09-22 | 2005-04-14 | Daiwa Tekkosho:Kk | Automatic water level control apparatus for water storage tank, and water storage tank |
| CN2715207Y (en) * | 2004-05-19 | 2005-08-03 | 李和平 | Water power upper and lower liquid level control ball float valve |
| CN202101567U (en) * | 2011-05-10 | 2012-01-04 | 杭州华碧能源科技有限公司 | Anti-freezing water supply device for air energy concentrating tower |
| CN202401524U (en) * | 2011-12-30 | 2012-08-29 | 孙海玲 | Water supply tank provided with safe water feeding protector capable of accurately controlling liquid level |
| CN202790837U (en) * | 2012-08-24 | 2013-03-13 | 周云山 | Automatic water supplementing valve |
| CN103967077A (en) * | 2014-04-08 | 2014-08-06 | 合肥上为供水设备科技有限公司 | Anti-flooding device of secondary water supply pump house |
| CN204226818U (en) * | 2014-10-28 | 2015-03-25 | 中国神华能源股份有限公司 | Float valve mounting structure and automatic water replenishing system |
| CN105370967A (en) * | 2015-12-11 | 2016-03-02 | 天津市国威给排水设备制造有限公司 | Floating ball valve device capable of realizing control of any water level |
| CN205424049U (en) * | 2016-04-06 | 2016-08-03 | 国电大渡河枕头坝水电建设有限公司 | Floater liquid level valve |
| CN206175786U (en) * | 2016-11-11 | 2017-05-17 | 上海大众祥源动力供应有限公司 | Remote control ball -cock assembly moisturizing device |
-
2016
- 2016-11-11 CN CN201610993040.XA patent/CN106402463A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005099895A (en) * | 2003-09-22 | 2005-04-14 | Daiwa Tekkosho:Kk | Automatic water level control apparatus for water storage tank, and water storage tank |
| CN2715207Y (en) * | 2004-05-19 | 2005-08-03 | 李和平 | Water power upper and lower liquid level control ball float valve |
| CN202101567U (en) * | 2011-05-10 | 2012-01-04 | 杭州华碧能源科技有限公司 | Anti-freezing water supply device for air energy concentrating tower |
| CN202401524U (en) * | 2011-12-30 | 2012-08-29 | 孙海玲 | Water supply tank provided with safe water feeding protector capable of accurately controlling liquid level |
| CN202790837U (en) * | 2012-08-24 | 2013-03-13 | 周云山 | Automatic water supplementing valve |
| CN103967077A (en) * | 2014-04-08 | 2014-08-06 | 合肥上为供水设备科技有限公司 | Anti-flooding device of secondary water supply pump house |
| CN204226818U (en) * | 2014-10-28 | 2015-03-25 | 中国神华能源股份有限公司 | Float valve mounting structure and automatic water replenishing system |
| CN105370967A (en) * | 2015-12-11 | 2016-03-02 | 天津市国威给排水设备制造有限公司 | Floating ball valve device capable of realizing control of any water level |
| CN205424049U (en) * | 2016-04-06 | 2016-08-03 | 国电大渡河枕头坝水电建设有限公司 | Floater liquid level valve |
| CN206175786U (en) * | 2016-11-11 | 2017-05-17 | 上海大众祥源动力供应有限公司 | Remote control ball -cock assembly moisturizing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766903A (en) * | 2020-07-21 | 2020-10-13 | 重庆中沛园林工程有限公司 | Simple flow control device |
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| PB01 | Publication | ||
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Application publication date: 20170215 |