CN100337053C - Low pressure timing valve - Google Patents
Low pressure timing valve Download PDFInfo
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- CN100337053C CN100337053C CNB200310115180XA CN200310115180A CN100337053C CN 100337053 C CN100337053 C CN 100337053C CN B200310115180X A CNB200310115180X A CN B200310115180XA CN 200310115180 A CN200310115180 A CN 200310115180A CN 100337053 C CN100337053 C CN 100337053C
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- motion bar
- valve cover
- low pressure
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 230000033001 locomotion Effects 0.000 claims description 67
- 238000009434 installation Methods 0.000 claims description 25
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 239000000806 elastomer Substances 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract 1
- 238000003973 irrigation Methods 0.000 description 21
- 230000002262 irrigation Effects 0.000 description 18
- 230000000694 effects Effects 0.000 description 11
- 230000005484 gravity Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 244000037666 field crops Species 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
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Abstract
本发明公开了一种低压定时阀门，其阀体上设有至少一进水口及一出水口，所述进水口和出水口之间构成阀门控制腔，其中：所述控制腔一侧设有一定时器，该控制腔内设有一阀门控制杆，该阀门控制杆枢接于所述控制腔的内侧壁，其第一端与一活动杆第一端活动连接，所述活动杆贯穿控制腔侧壁，其第二端抵顶于所述定时器，所述阀门盖可转动地设置在所述出水口处，在阀门打开状态下，阀门控制杆的第二端与该阀门盖搭接，阻挡所述阀门盖向阀门关闭位置转动。本发明克服了公知的定时阀门需要压力水头在2m以上时方可正常工作的缺陷，特别适用于低压条件下的供水定时控制，其过水流量大，水头损失小，操作简捷，稳定性好，成本低。
The invention discloses a low-pressure timing valve. At least one water inlet and one water outlet are arranged on the valve body, and a valve control chamber is formed between the water inlet and the water outlet, wherein: one side of the control chamber is provided with a A timer, the control chamber is provided with a valve control rod, the valve control rod is pivotally connected to the inner wall of the control chamber, and its first end is movably connected to the first end of a movable rod, and the movable rod runs through the side of the control chamber wall, the second end of which is against the timer, and the valve cover is rotatably arranged at the water outlet. When the valve is open, the second end of the valve control rod overlaps with the valve cover to prevent The valve cover rotates toward the valve closed position. The invention overcomes the defect that the known timing valve can work normally only when the pressure head is above 2m, and is especially suitable for timing control of water supply under low pressure conditions. low cost.
Description
Technical field
The present invention relates to a kind of Timed valve, especially a kind of low pressure Timed valve that is used for low-pressure irrigation system, low pressure water supply (liquid) system control timing irrigation and Timing water supply (liquid).
Background technique
In recent years, the low pressure irrigation system (gravity drip-irrigation, gravity microspray irrigation) at industrialized agriculture, Rainwater Harvesting Agriculture and land for growing field crops vegetable growing utilized position head as operation pressure, had the low and simple operation and other advantages of energy consumption, developed very fast.
The operation pressure head of low pressure irrigation system is generally below 5m, the operation pressure head of most of sunlight green house gravity drip-irrigation system even below 2m, adopt Timed valve to control irrigation volume by the control irrigation time, and then the semi-automation that realizes the low pressure irrigation system is controlled, to the development of low pressure micro irrigation technology, significant.
Present common mechanical timer valve and electronic timing valve, working principle is similar with water control valve to solenoid valve, when pressure head could proper functioning when 3m is above, and the pressure head loss is big, water flow is smaller, even adopt the principle of state-of-the-art in the world pair of chamber barrier film water control valve, also need the pressure head could proper functioning when 2m is above.
Therefore, in the low pressure irrigation system, present known Timed valve can't be satisfied the demand, and needs artificial timing closing valve, and time-consuming taking a lot of work influences the automatic management of low pressure irrigation system.
In view of this, it is engaged in association area knowledge of hydraulics and experience for many years the design people's mat, has considered the characteristics of low-pressure irrigation systems such as gravity drip-irrigation, has developed low pressure Timed valve of the present invention.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of Timed valve of using under the low pressure condition of being suitable for is provided, especially a kind of motion bar control of passing through valve controling rod, being connected with timer, timing controlled water supply time as required, and water flow is big, loss of head is little, low pressure Timed valve simple to operate.
For this reason, the present invention proposes a kind of low pressure Timed valve, its valve body is provided with an at least one water intake and a water outlet, constitute the valve control chamber between described water intake and the water outlet, wherein, described control chamber one side is provided with a timer, be provided with a valve controling rod in this control chamber, one valve controling rod support is arranged on the madial wall of described control chamber, described valve controling rod is articulated in described controlling rod support, and first end of valve controling rod and a motion bar first end flexibly connect, described motion bar can run through the control chamber sidewall with moving horizontally, be equipped with a Returnning spring on the described motion bar, second end of this motion bar is resisted against described timer, and a valve cover is arranged on described water outlet place rotationally, under the valve open state, second end of valve controling rod and this valve cover overlap joint stop that described valve cover is to the valve closing rotated position.
Further, first end of described motion bar is provided with a coupling shaft; The bottom of described controlling rod support is provided with valve cover reclined position control gear, and described valve cover is articulated in the bottom of this control chamber near the water outlet place, and its pivot-connecting position is positioned at above-mentioned valve controling rod support and valve cover reclined position control gear homonymy.One valve cover is provoked handle and is pivoted with described valve cover is coaxial, and is positioned at the bottom of valve cover.Described valve, valve cover are provoked the rocking handle that handle pivot and is arranged on this valve body outside and are connected.
Aforesaid low pressure Timed valve, described valve cover reclined position control gear is convexly set in described valve control chamber madial wall, and its length is less than the valve controling rod support, and this valve cover reclined position control gear is provided with an elastomer.
Aforesaid low pressure Timed valve, described valve controling rod is articulated in above-mentioned valve controling rod support, its first end has a fluting, this fluting is matched with the coupling shaft of above-mentioned motion bar first end, under the valve open state, the valve cover that the hypsokinesis of second end of described controlling rod overlap joint is provided with, and with the opposite flank of valve cover surface of contact be a plane of inclination.
Low pressure Timed valve of the present invention, its control chamber outer side wall connects a timer installation room, and described timer and this timer installation room fixedly install; And described motion bar and control chamber, timer and timer installation room and valve cover are provoked the pivot of handle, valve cover and the joint of control chamber is equipped with the sealing Sealing.Described timer is a mechanical timer, and its timing controlled dish is provided with a groove, can be under the valve closing state, and second end of described motion bar is resisted against described control panel, and embeds in this groove.Described timer installation room inboard is provided with a motion bar leading truck, and described motion bar wears and is arranged in this leading truck.
Described timer also can be an electronic timer, its valve opening controlling rod is provided with a groove, one end of one Electromagnetic Control lock pin connects timer control device, and the other end can embed this groove, and second end of above-mentioned motion bar is resisted against the end of described valve opening controlling rod.
Low pressure Timed valve of the present invention has overcome known Timed valve needs the defective that pressure head can proper functioning when 2m is above, is specially adapted to the water supply timing controlled under the low pressure condition, and its water flow is big, loss of head is little, simple to operation, good stability, cost is low.The present invention can control throttle down automatically by mechanical timer or electronic timer, has saved manpower, can guarantee the accuracy of water supply time.
Description of drawings
Fig. 1 is low pressure Timed valve embodiment's one an of the present invention three-dimensional appearance schematic representation, and this embodiment is a kind of mechanical timer valve;
Fig. 2 is the embodiment of the invention one a valve open state vertical profile schematic representation;
Fig. 3 is the embodiment of the invention one a valve closing state vertical profile schematic representation;
Fig. 4 be among Fig. 2 along the generalized section of I-I line, the state of timer groove during the expression valve open;
Fig. 5 be among Fig. 2 along another generalized section of I-I line, expression timer valve timing is covered the rear groove state;
Fig. 6 is along the cross-sectional schematic of II-II line among Fig. 2;
Fig. 7 is that the cross-section illustration along the III-III line is intended among Fig. 2;
Fig. 8 is the shape schematic representation of the timer groove of the embodiment of the invention one;
Fig. 9 is low pressure Timed valve embodiment's two an of the present invention three-dimensional appearance schematic representation, and this embodiment is a kind of electronic timing valve;
Figure 10 is the longitudinal section schematic representation of embodiment's two valve open states;
Figure 11 is the longitudinal section schematic representation of embodiment's two valve closing states;
Figure 12 is along the cross-sectional schematic of V-V line among Figure 10.
Embodiment
For making feature of the present invention, effect and characteristics more cheer and bright, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
As shown in Figure 1, 2, the low pressure Timed valve that the present invention proposes, comprise valve body 2, valve cover 25; parts such as rocking handle 3 and mechanical timer 1; wherein; the water intake 21 and the water outlet 22 that are positioned on the valve body 2 are connected on the water transport pipeline; constitute valve control chamber 23 between water intake 21 and the water outlet 22; control chamber 23 of Timed valve of the present invention is flow channel simultaneously; control chamber 23 1 sides are provided with mechanical timer installation room 4, specifically is the outside that this timer installation room 4 is arranged on described control chamber one sidewall 231, be connected and fixed by retaining screw 42 and valve body; This mechanical timer 1 fixedly installs with this timer installation room 4, as can by retaining screw 12 with as described in installation room 4 fixedly connected; One valve cover 25 is arranged on described water outlet 22 places rotationally, and can be covered on the valve port 24 at water outlet 22 places.
Be provided with a valve controling rod 5 in the described control chamber 23, this valve controling rod 5 articulates by pivot 51 with the described control chamber sidewall 231 inboard valve controling rod supports 233 that are provided with, and this valve controling rod support 233 is positioned at a side of timer installation room 4; First end 53 of described valve controling rod 5 and first end of a motion bar 6 flexibly connect, second end 54 of controlling rod 5 stretches to water outlet 22, the sidewall 231 that described motion bar 6 runs through control chamber 23 stretches into timer installation room 4, and is resisted against the timing controlled dish 14 of described mechanical timer 1.
Be installed with a Returnning spring 61 on the described motion bar 6, one end of this spring is resisted against the outside of control chamber sidewall 231, the other end is resisted against the spring fitting device 62 that is fixedly installed on the motion bar 6, this spring is in compressive state to a certain degree, this fixing device 62 can be a boss, also can be any known structures such as a fixed block, and first end of this motion bar 6 be provided with one with the perpendicular coupling shaft 64 of its axis.The madial wall of above-mentioned timer installation room 4 protrudes out a motion bar leading truck 41, second end of motion bar 6 passes these leading truck 41 its heads and is resisted against timer 1, this support 41 is arranged on spring fitting device 61 front ends on the motion bar, to guide this motion bar 6 translational motions.
The timing controlled dish 14 of described mechanical timer 1 is provided with a groove 15, and second end of described motion bar 6 is a tapered end, can be resisted against described control panel 14, and can embed in this groove 15.
Described valve controling rod 5 is articulated in above-mentioned valve controling rod support 233, its first end has a fluting 52, this fluting 52 is matched with the coupling shaft 64 of above-mentioned motion bar first end, second end of described controlling rod 5 and the valve 25 of hypsokinesis setting can overlap setting, and with the opposite flank of valve contact surface be a plane of inclination.
The bottom of above-mentioned controlling rod support 233 is provided with valve cover reclined position control gear 232, these valve cover reclined position control gear 232 1 ends are fixed in sidewall 231 inboards, described valve cover reclined position control gear 232 is provided with an elastomer (not shown), and this controlling rod support 233 is from the extrusion of sidewall 231 length greater than above-mentioned valve cover reclined position control gear 232; Described valve cover 25 is articulated in the bottom of this control chamber 23 near the water outlet place, and its pivot-connecting position is positioned at above-mentioned valve controling rod support 233 and valve cover reclined position control gear 232 homonymies.In the present embodiment, valve cover pivotal mounting support 250 1 ends are fixed in the inboard of sidewall 231, and described valve cover 25 articulates by pivot 251 and this support 250.
One valve cover is provoked handle 252 and described valve cover 25 coaxial being pivoted, and be positioned at the bottom of valve cover 25, the pivot 251 that described valve cover 25, valve cover are provoked handle 252 passes control chamber 23 walls fixedlys connected with the rocking handle 3 that is arranged on these valve body 2 outsides, as shown in Figure 7.
Above-mentioned motion bar 6 provokes the pivot 251 of handle 252 with control chamber 23, timer 1 and timer installation room 4 and valve cover and the joint of control chamber 23 is provided with sealing Sealing 63,13,2501 respectively, and is above-mentioned water-tight everywhere to guarantee.
Principle of the present invention and operating process are: low pressure Timed valve of the present invention is vertically mounted on the water transport pipeline by valve water intake 21 and water outlet 22.
To shown in Figure 8, the knob 10 that mechanical timer 1 is provided with start time can only rotate to a direction, as only is set at and can counterclockwise rotates, and can not turn clockwise as Fig. 2, and mechanical timer 1 is installed on the timer installation room 4, and is fixing with retaining screw 12.Be provided with watertight rubber pad 13 between mechanical timer 1 and the Timed valve installation room 4, prevent that this timer and installation room sidewall junction point from leaking, and plays seal action.Described motion bar guide bar support 41 is provided with through hole, and motion bar 6 passes from this hole, just in time can enter timer groove 15 with the tapered end of guiding motion bar motion bar second end after timing is covered.The structure of this groove 15 as shown in Figure 8, its cross section is a ratchet form of gear tooth structure, promptly a side of this groove is a slip surface 152, the tapered end of described motion bar can slip in this groove 15 smoothly by this face, the opposite side of this groove is a stop surface 151, after the tapered end of motion bar enters this groove, under the backstop of stop surface 151, be limited in this groove 15.Valve cover 25 bottoms are provided with a rubber ring with the position that the valve port 24 of water outlet end contacts, and the upper end of valve port 24 is a cutting edge shape, and rubber ring contacts with blade, guarantee that valve cover 25 falls late gate and seals water-tight.The bottom of valve port 24 is the gradual change shape, the hydraulics phenomenon that produces build-up of pressure loss of head such as vortex when avoiding current to flow through takes place, guarantee that simultaneously inner air can upwards be discharged in the control chamber 23, avoid wrapping gas influences valve with therefore water hammering taking place discharge capacity.The part of valve control chamber 23 from timer one side to water intake 21 is the gradual change shape, the hydraulics phenomenon that produces build-up of pressure loss of head such as vortex when avoiding current to flow through takes place, the air of valve control chamber 23 inside can upwards be discharged, avoid because of wrapping gas and therefore the discharge capacity that water hammering influences valve taking place.Valve controling rod 5 second ends 54 have a plane of inclination, make that valve cover 25 is in contact with it after, valve cover 25 can easily be stirred controlling rod 5 and clockwise rotate backward around controlling rod pivot 51.Fluting 52 long enoughs on controlling rod first end 53, in the time of can guaranteeing that controlling rod 5 rotates around controlling rod pivot 51, drive motion bar 6 levels and travel forward, when guaranteeing that motion bar 6 moves backward, drive controlling rod 5 and rotate to counter clockwise direction around controlling rod pivot 51.
When needing irrigation or needing water supply, to regularly knob 10 to being rotated counterclockwise with hand, make the position of the time that to be provided with on the pointed time scale panel 11 on the knob, with hand rotation crank 3 upwards counterclockwise; rocking handle 3 actuating valve door closure pivots 251 rotate; be arranged on valve cover on the valve cover pivot 251 and provoke handle 252 and provoke upwards motion counterclockwise of valve cover 25; touch the inclined-plane of controlling rod 5 second ends 54 when valve cover 25 after; valve cover is stirred controlling rod 5 and clockwise rotated around controlling rod pivot 51; drive motion bar 6 and travel forward; spring 61 is compressed and shortens; simultaneously the fluting 52 that is provided with of first end of controlling rod 5 along coupling shaft 64 to top offset; after valve cover 25 turns to certain position; valve cover 25 is " Ka Ta just " one the outside from controlling rod 5 enters the inboard, disengage with controlling rod 5, at this moment, motion bar 6 is motion backward under the effect of spring 61, drive controlling bar 5 is got back to valve cover 25 and is contacted former position, after valve cover 25 runs into valve cover reclined position control gear 232, spring on the valve cover 25 compression valve door closure reclined position control gear 232, rocking handle 3 goes back to original position clockwise then, valve cover is provoked the handle 252 original position that also falls go back to, valve cover 25 is under the effect of the spring on gravity and the valve cover reclined position control gear 232, clockwise rotate, touching the controlled bar 5 in controlling rod 5 backs blocks, valve just is shown in an open position, as shown in Figure 2, the position of timer groove 15 and motion bar tapered end as shown in Figure 4 at this moment, water flows in valve body from top to bottom, the beginning of irrigating or supply water.
After the time that is provided with on the mechanical timer 1 covers, groove 15 on the mechanical timer 1 just in time forwards the position of motion bar 6 wedge shaped end to, the tapered end of motion bar 6 enters in the groove 15 under the effect of spring 61, as shown in Figure 5,6 motions backward of motion bar, drive controlling bar 5 rotates counterclockwise certain position, second end of controlling rod 5 is to top offset, because valve controling rod 5 is shorter than the bottom with the top of controlling rod support 233 pivot-connecting positions, therefore, when these controlling rod 5 first ends 53 have a less displacement, 54 at its second end produces a relatively large displacement, make second end of controlling rod 5 certain distance that moves up, throw off with valve cover 25, then valve cover 25 under the effect of the impact force of gravity and water along with controlling rod 5 clockwise rotates, the final controlling rod that breaks away from falls, cover on valve port 24, with valve closing, timing irrigation or water supply process finish.Repeat above-mentioned step when irrigation next time or water supply.
Embodiment 2
Shown in Fig. 9,10, described timer is an electronic timer 7, wherein, one side of above-mentioned valve control chamber 23 is provided with electronic timer installation room 8, this timer installation room 8 is arranged on the outside of described control chamber one sidewall 231, be connected and fixed by retaining screw 81 and valve body, this electronic timer 7 fixedly installs with this timer installation room 8.Described timer has electronic timer control panel 73, display screen 72, valve opening button 71, be provided with valve opening button spindle 711 in the described valve opening button 71, this unlatching controlling rod 711 is provided with a groove 7111, and this electronic timer 7 can be fixedlyed connected with electronic timer installation room 8 by retaining screw 74.The end that one side of described valve opening button spindle 711 is provided with timer control device 75, one electromagnetic lock pins 751 connects this timer control device 75, and the other end can embed the groove 7111 of above-mentioned valve opening controlling rod 711.First end of motion bar 6 ' and embodiment 1 are identical to be connected with controlling rod 5, and second end is resisted against the end of described valve opening controlling rod 711.
The principle and the operating process of present embodiment are: low pressure Timed valve of the present invention is vertically mounted on the water transport pipeline by valve water intake 21 and water outlet 22.
Electronic timer 7 is set the valve open time by electronic timer control panel 73, and set time shows on display screen 72, starts valve open after valve opening button 71 is pressed the time is set.Identical with embodiment 1, valve cover 25 is opened by rocking handle 3 and is finished.Electronic timer 7 is installed on the timer installation room 8, and is fixing with retaining screw 74.Between the rear board 77 of electronic timer 7 and the timer fixed dam 78 the watertight rubber pad is arranged, prevent that this timer and installation room sidewall junction point from leaking, and plays seal action.Electronic timer rear board 77 is provided with through hole, and motion bar 6 ' passes to replace with timing button bar 711 from this hole and contacts, and between this through hole and motion bar 6 ' sealing part is arranged, and water flows in the electronic timer when preventing to leak.Electromagnetic lock pin 751 falls after valve opening button 71 is pressed, embed in the groove 7111, press at valve opening button 71 and to promote motion bar 6 ' in the process simultaneously and travel forward, drive controlling bar 5 clockwise rotates, the controlling rod lower end moves to the position that can block valve cover, and spring 61 is compressed simultaneously.After the time of setting covers, timer control device 75 is mentioned electromagnetic lock pin, motion bar 6 ' is motion backward under the effect of spring 61, valve opening button spindle 711 is released, electromagnetic lock pin 751 drops on the valve opening button spindle 711, and motion bar 6 ' drives controlling rod 5 and rotates counterclockwise the position that the lower end can be separated with valve cover 25, and valve cover 25 falls under the effect of the impact force of gravity and water, valve port 24 is covered valve closing.Other parts are identical with embodiment 1, repeat no more.
When needing irrigation or water supply, earlier valve opening time is set by electronic timer control panel 73, set parameter shows on display screen 72, press valve opening button 71, electromagnetic lock pin 751 falls in the groove 7111 that embeds valve opening button spindle 711, and timing begins to walk about, when valve opening button 71 is pressed, promote motion bar 6 ' and travel forward, drive controlling bar 5 clockwise rotates the position that valve cover 25 can be blocked in the lower end, and spring 61 is compressed simultaneously.With hand rotation crank 3 upwards counterclockwise; rocking handle 3 actuating valve door closure pivots 251 rotate; valve cover is provoked handle 252 and provoked valve cover 25 and move upward; touch the inclined-plane of controlling rod 5 bottoms when valve cover 25 after; valve cover is stirred controlling rod 5; controlling rod 5 clockwise rotates around controlling rod pivot 51; drive motion bar 6 ' and travel forward; spring 61 is further compressed; the lower end of controlling rod 5 is to top offset simultaneously; after valve cover 25 turns to certain position; valve cover 25 is " Ka Ta just " outer survey from controlling rod 5 enters the inboard, disengage with controlling rod, motion bar 6 ' is motion backward under the effect of spring 61, drive controlling bar 5 is got back to valve cover 25 and is contacted former position, after valve cover 25 runs into valve cover reclined position control gear 232, spring on the valve cover 25 compression valve door closure reclined position control gear 232, then rocking handle 3 is gone back to original position clockwise, valve cover is provoked the handle 252 original position that also falls go back to, valve cover 25 is under the effect of the spring on gravity and the valve cover reclined position control gear 232, clockwise rotate, touching the controlled bar 5 in controlling rod 5 backs blocks, valve is shown in an open position, water flows in valve body from top to bottom, the beginning of irrigating or supply water.
After the time that is provided with on the electronic timer 7 covers, timer control device 75 is mentioned electromagnetic lock pin 751, motion bar 6 ' is motion backward under the effect of spring 61, valve opening button spindle 711 is released, electromagnetic lock pin 751 drops on the valve opening button spindle 711, motion bar 6 ' drives controlling rod 5 and rotates counterclockwise the position that separate with valve cover 25 lower end, valve cover 25 under the effect of the impact force of gravity and water along with controlling rod clockwise rotates, the final controlling rod that breaks away from falls, cover on valve port 24, with valve closing, timing irrigation or water supply process finish.Repeat above-mentioned step when irrigation next time or water supply.
Other concrete structure of present embodiment and beneficial effect are all identical with embodiment 1, do not repeat them here.
The above only is specific embodiments of the invention, and only structure characteristics of the present invention is not limited thereto, and allly anyly is familiar with this skill person in field of the present invention, and equivalent variations of being done and modification should all covered in following the application's the scope of patent protection.
Claims (11)
1, a kind of low pressure Timed valve, its valve body is provided with an at least one water intake and a water outlet, constitute the valve control chamber between described water intake and the water outlet, it is characterized in that: described control chamber one side is provided with a timer, be provided with a valve controling rod in this control chamber, one valve controling rod support is arranged on the madial wall of described control chamber, described valve controling rod is articulated in described controlling rod support, and first end of valve controling rod and a motion bar first end flexibly connect, described motion bar can run through the control chamber sidewall with moving horizontally, be equipped with a Returnning spring on the described motion bar, second end of this motion bar is resisted against described timer, and a valve cover is arranged on described water outlet place rotationally, under the valve open state, second end of valve controling rod and this valve cover overlap joint stop that described valve cover is to the valve closing rotated position.
2, low pressure Timed valve as claimed in claim 1 is characterized in that: first end of described motion bar is provided with a coupling shaft.
3, low pressure Timed valve as claimed in claim 1, it is characterized in that: the bottom of described controlling rod support is provided with valve cover reclined position control gear, described valve cover is articulated in the bottom of this control chamber near the water outlet place, and its pivot-connecting position is positioned at above-mentioned valve controling rod support and valve cover reclined position control gear homonymy.
4, low pressure Timed valve as claimed in claim 3 is characterized in that: a valve cover is provoked handle and is pivoted with described valve cover is coaxial, and is positioned at the bottom of valve cover.
5, low pressure Timed valve as claimed in claim 4 is characterized in that: described valve, valve cover are provoked the rocking handle that handle pivot and is arranged on this valve body outside and are connected.
6, low pressure Timed valve as claimed in claim 3, it is characterized in that: described valve cover reclined position control gear is convexly set in described valve control chamber madial wall, its length is less than the valve controling rod support, and this valve cover reclined position control gear is provided with an elastomer.
7, as claim 2 or 3 described low pressure Timed valves, it is characterized in that: described valve controling rod is articulated in above-mentioned valve controling rod support, its first end has a fluting, this fluting is matched with the coupling shaft of above-mentioned motion bar first end, under the valve open state, the valve cover that the hypsokinesis of second end of described controlling rod overlap joint is provided with, and with the opposite flank of valve cover surface of contact be a plane of inclination.
8, as each described low pressure Timed valve of claim 1 to 6, it is characterized in that: described control chamber outer side wall connects a timer installation room, and described timer and this timer installation room fixedly install; And described motion bar and control chamber, timer and timer installation room and valve cover are provoked the pivot of handle, valve cover and the joint of control chamber is equipped with the sealing Sealing.
9, low pressure Timed valve as claimed in claim 8, it is characterized in that: described timer is a mechanical timer, and its timing controlled dish is provided with a groove, under the valve closing state, second end of described motion bar is resisted against described control panel, and embeds in this groove.
10, low pressure Timed valve as claimed in claim 9 is characterized in that: described timer installation room inboard is provided with a motion bar leading truck, and described motion bar wears and is arranged in this leading truck.
11, low pressure Timed valve as claimed in claim 8, it is characterized in that: described timer is an electronic timer, its valve opening controlling rod is provided with a groove, one end of one Electromagnetic Control lock pin connects timer control device, the other end embeds this groove, and second end of above-mentioned motion bar is resisted against the end of described valve opening controlling rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200310115180XA CN100337053C (en) | 2003-11-25 | 2003-11-25 | Low pressure timing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200310115180XA CN100337053C (en) | 2003-11-25 | 2003-11-25 | Low pressure timing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1621719A CN1621719A (en) | 2005-06-01 |
| CN100337053C true CN100337053C (en) | 2007-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200310115180XA Expired - Fee Related CN100337053C (en) | 2003-11-25 | 2003-11-25 | Low pressure timing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100337053C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2091382A (en) * | 1980-11-28 | 1982-07-28 | Sabco Ltd | Time controlled fluid pressure valve |
| CN2078830U (en) * | 1990-09-03 | 1991-06-12 | 蔡诚献 | water controller |
| US6398185B1 (en) * | 2000-12-04 | 2002-06-04 | Hsin-Fa Wang | Water flow timer |
-
2003
- 2003-11-25 CN CNB200310115180XA patent/CN100337053C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2091382A (en) * | 1980-11-28 | 1982-07-28 | Sabco Ltd | Time controlled fluid pressure valve |
| CN2078830U (en) * | 1990-09-03 | 1991-06-12 | 蔡诚献 | water controller |
| US6398185B1 (en) * | 2000-12-04 | 2002-06-04 | Hsin-Fa Wang | Water flow timer |
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| CN1621719A (en) | 2005-06-01 |
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