CN102337753A - Water storage tank - Google Patents
Water storage tank Download PDFInfo
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- CN102337753A CN102337753A CN2011102161095A CN201110216109A CN102337753A CN 102337753 A CN102337753 A CN 102337753A CN 2011102161095 A CN2011102161095 A CN 2011102161095A CN 201110216109 A CN201110216109 A CN 201110216109A CN 102337753 A CN102337753 A CN 102337753A
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Abstract
The invention discloses a water storage tank, which comprises a tank body. A combined control valve is arranged in the tank body and comprises a main valve and a pilot reversing valve, the main valve comprises a main valve body and a fluid channel on the main valve body, the water inlet of the fluid channel is communicated with an external high-pressure water source, the water outlet of the fluid channel is communicated with the tank body, a valve seat is arranged in the fluid channel, a valve core is arranged in the main valve body in a sliding way and is matched with the valve seat in a sealing way to close the fluid channel, a piston cylinder is arranged above the valve core, a piston is arranged in the piston cylinder, is fixedly connected with the valve core through a connecting rod and is used for driving the valve core to move synchronously, the cavity of the piston cylinder is divided into an upper cavity and a lower cavity by the piston, the wall of the piston cylinder is provided with an upper circulating port communicated with the upper cavity and a lower circulating port communicated with the lower cavity, the two-position pilot reversing valve is provided with a liquid inlet, a liquid outlet and two working ports, the two working ports are respectively and correspondingly communicated with the upper circulating port and the lower circulating port, and high-pressure water is injected into the upper cavity or the lower cavity of the piston cylinder through the liquid inlet so as to drive the piston to move.
Description
Technical field
The invention belongs to the water storage equipment technical field, be specifically related to a kind of water-storing tank.
Background technology
The normal instrument that adopts water tank as temporary transient water storage in mine; Water under high pressure is imported in the water tank; Again from water tank to watering equipment output low-pressure water, can avoid so directly water under high pressure being imported watering equipment and impacting to watering equipment, influence watering equipment application life.Retaining in water tank earlier when above-mentioned water tank uses, treat that water level reaches certain requirement after, stop retaining, use then, when the water of water tank runs low, moisturizing in water tank again, refilling.
When but above-mentioned water tank uses, dried case accident often occurs, find just when promptly lack of water appears in watering equipment that the water in the water tank uses up, influence the operate as normal and the application life of watering equipment.And because will satisfy the instructions for use in the certain hour, so the standing meter of water tank is bigger, carrying is moved extremely inconvenient, and also the maintenance of leaking of feed tank makes troubles simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of water-storing tank that can moisturizing in the trend water tank, to solve the technical problem that occurs dried case accident when the prior art water tank uses.
For realizing above-mentioned purpose, the present invention adopts following technical scheme: a kind of water-storing tank comprises casing; Be provided with combined control valve in the described casing, this combined control valve comprises the main valve of moisturizing passage break-make in the control casing and according to the liquid level information Control main valve open in the casing or the pilot reversing valve of closing, main valve comprises main valve body and is arranged on the fluid passage on the main valve body; The water inlet of fluid passage is used for being communicated with extraneous high-pressure water, its delivery port is communicated with casing, in the fluid passage, is provided with valve seat, and slidable fit is useful on valve base sealing and cooperates to close the spool of fluid passage in main valve body; The glide direction of spool is defined as above-below direction, above spool, is provided with the piston rod that extends along the vertical direction, be provided with piston in the piston rod; Piston is fixedly connected and drives the spool synchronization action through a connecting rod with spool; Piston is divided into epicoele and cavity of resorption with the piston rod inner chamber, be provided with on the piston rod casing wall be communicated with epicoele on communication port and the following communication port that is communicated with cavity of resorption, said pilot reversing valve is a two-position valve; Two pilot reversing valves have an inlet, a liquid outlet and two working holes at least; Two working holes are first working hole and second working hole, and first working hole is communicated with said epicoele through last communication port, and communication port was communicated with said cavity of resorption under second working hole passed through; Two pilot reversing valves have first station and second station; When guide's reversal valve moved first station, inlet was communicated with first working hole, and liquid outlet is communicated with second working hole; And when guide's reversal valve moves second station; Inlet is communicated with second working hole, and liquid outlet is communicated with first working hole, moves through the epicoele or the cavity of resorption injection water under high pressure driven plunger of inlet to piston rod.
The inlet of described pilot reversing valve is connected with the water inlet pipe of the water under high pressure that is used for equating with the water under high pressure homology and the pressure of water inlet, said fluid passage to inlet input.
The relative both sides of described casing walk abreast and are provided with two supports; Casing rotates and is assemblied on the said support; The two sides towards support of casing are two installation sides that laterally arrange, and on two installation sides, are respectively equipped with one perpendicular to the turning cylinder that plane, place, side is installed, the coaxial setting of two turning cylinders; The axis of turning cylinder is positioned at the top of casing center of gravity, support be provided with casing on two bearings that turning cylinder is rotatably assorted.
Described main valve body is provided with the valve pocket that extends along the vertical direction; Said connecting rod drives spool and is slidedly assemblied in the said valve pocket; Said fluid passage is made up of the delivery port that is communicated with valve pocket that is arranged on the water inlet that is connected with valve pocket, the valve pocket on the main valve body and is arranged on spool below, and the valve seat in the described fluid passage is arranged on said delivery port position.
Said pilot reversing valve comprises the switching-over valve body that extends along the vertical direction; Said inlet, liquid outlet and first, second working hole all are arranged on the switching-over valve body; On the switching-over valve body, be provided with the switching-over valve pocket that is used to be communicated with inlet, liquid outlet and first, second working hole that extends along the vertical direction; In the switching-over valve pocket, be provided with the reversing valve core that is used to control the pilot reversing valve station; Reversing valve core is by the lever actuated action that is hinged on the switching-over valve body, and an end that is positioned at the switching-over valve body of said lever is connected on the reversing valve core, and the external end of reversal valve that is positioned at of lever is provided with the ball float that activation lever is moved.
Described piston rod and switching-over are provided with between the valve body and are used for pilot reversing valve is fixed on the rebound on the piston rod, rebound be provided be communicated with said go up the last interface channel of communication port and first working hole and be communicated with said under the following interface channel of communication port and second working hole.
Described piston rod comprises cylinder body; The cylinder body top is installed with cylinder cap, and the bottom of cylinder body is installed with cylinder bottom, on cylinder bottom, is provided with the via hole that supplies connecting rod to pass; The said communication port that goes up is arranged on the top casing wall of cylinder body, and described communication port down is arranged on the bottom casing wall of cylinder body.
Described piston is composed of a fixed connection through connecting bolt by upper piston plate, middle piston plate and the lower piston plate arranged successively from top to bottom; The upper, middle and lower piston plate is provided with the installing hole that matches with connecting rod, between middle piston plate and upper and lower piston plate, is respectively arranged with the sealing ring that is used for packed-piston and cylinder body gap.
The head of described connecting bolt protrudes in the downside of lower piston plate, when the head roof pressure of connecting bolt leaves the following water inlet gap that is communicated with following communication port between downside and the cylinder bottom of piston plate at present at cylinder bottom; Described piston is provided with the convexity of the upper side that protrudes in the upper piston plate, when the protruding roof pressure of piston is on cylinder cap, leaves the enterprising water space that is communicated with last communication port between the upper side of upper piston plate and the cylinder cap.
Described main valve body comprises peripheral envelope; The cylinder body of said piston rod is through being bolted on the peripheral envelope; The fixedly holding plate of the cylinder bottom of piston rod for being provided with at the crossover position place of peripheral envelope and cylinder body; The stepped hole that supplies via hole that connecting rod passes to be provided with on the said cylinder bottom for fixing holding plate downside; On the step surface of stepped hole in fixedly being provided with hermetically-sealed construction between holding plate and the connecting rod, in the stepped hole of fixing holding plate, below hermetically-sealed construction, be provided with the packing plate that is used for fixing hermetically-sealed construction, said connecting rod passes said packing plate.
The invention has the beneficial effects as follows: water-storing tank provided by the present invention is provided with the combined control valve of control casing moisturizing passage break-make in casing, when needs in casing during moisturizing, the main valve open of combined control valve; Normal moisturizing, when no longer needing moisturizing, main valve is closed; Moisturizing stops, and opening or closing by pilot reversing valve of main valve controlled according to liquid level information in the casing, and the inlet through pilot reversing valve injects the water under high pressure driven plunger and moves along the vertical direction in the epicoele of piston rod or cavity of resorption; Piston drives the spool synchronization action, and when spool moved to the position with the corresponding cooperation of valve seat, spool cooperated with valve base sealing to close main valve; Moisturizing stops; When spool drives down and valve seat when being separated at piston, main valve open begins casing is carried out normal moisturizing.Because pilot reversing valve is controlled the opportunity of the opening and closing of main valve according to the liquid level in the casing; Therefore, water-storing tank provided by the present invention can be opened main valve under the lower situation of casing liquid level; Real-time carries out moisturizing to casing; And when liquid level is higher in the casing, close main valve, moisturizing stops.Avoided casing dried case accident to occur through in the trend casing, carrying out moisturizing like this; Simultaneously because in casing, carry out moisturizing in real time according to liquid level in the casing; It is smaller that the volume of casing just can be done; Save cost of production like this, reduced the sealing cost of overhaul of casing again, also make things convenient for mobile box simultaneously.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the present invention;
Fig. 2 is the lateral view of Fig. 1;
Fig. 3 is the structural representation that the combined control valve in the casing is in closed condition among Fig. 1;
Fig. 4 is a C place enlarged drawing among Fig. 3;
Fig. 5 is the structural representation that the combined control valve among Fig. 3 is in open mode;
Fig. 6 is the operating principle structural representation of the combined control valve among Fig. 3.
The specific embodiment
Like Fig. 1, shown in Figure 2, a kind of water-storing tank comprises underframe and is arranged on the casing that is used for water storage 61 on the underframe; Casing 61 is a rectangular structure, and the bottom of casing 61 is the circular arc of evagination, and the arc section of the circular arc-shaped bottom portion in the present embodiment is a minor arc; Casing 61 extends along the bearing of trend on the long limit of cuboid; Two sides on the bearing of trend of casing 61 respectively are equipped with 65, two turning cylinders 65 of a turning cylinder and all extend and coaxial setting along the casing bearing of trend for side 63 is installed on the installation side 63 of two correspondences; For guaranteeing safety; The axis of turning cylinder 65 is positioned at the center of gravity top of casing 61, and the axis of turning cylinder is positioned at the top of casing center of gravity, and casing capsizing case can not occur when water filling in casing.Described underframe comprises that base 70 and one are installed in two supports 60 on the base; Two supports 60 lay respectively at the both sides of casing 61; Support 60 be provided with casing two installation sides on turning cylinder rotate the portion that is rotatably assorted join; In the present embodiment, the portion of being rotatably assorted on the support 60 is a bearing 64, constitutes the rotation assembling that the structure that is rotatably assorted realizes casing and support at the bearing of installing between side and the support 64 with turning cylinder 65; Be provided with bearing support 72 at the top of support 60; Bearing 64 is installed in the bearing support 72, and also spiral-lock is useful on the bearing gland 71 of protecting rigid bearing above bearing 64, and bearing gland 71 is through being bolted on the bearing support 72.
Also be provided with the top cover 3 that is used for capping whole box body inner chamber at the top of casing 61 in the present embodiment.In that being set on the casing, top cover can effectively avoid dust or other floating things under the complex working condition condition to fall into casing.
Rotation section on the support in the foregoing description is a bearing, also can be employed in the corresponding bearing shell structure that is rotatably assorted with turning cylinder in other embodiments.
As the utensil of temporary transient water storage, the water inlet of casing is arranged on and turning cylinder 65 corresponding positions, and turning cylinder 65 is provided with the water inlet pipe 66 that is communicated with water inlet.Towards another side is installed from one of them installation side in the bottom of casing 61 and is extended with step, described delivery port 69 is arranged on the step surface of step.From water tank on the whole, like this can the better protection delivery port.When the water in the casing is had higher requirements, can also in the inner chamber of casing, be arranged at the filter 68 that is used for of delivery port 69 serial connections to the water filtration processing of casing.Water in the casing 61 is getting into process filter 68 filtrations earlier between the delivery port, thereby satisfies instructions for use.
Casing in use for some time; Refuses such as dregs are left in the be everlasting bottom of casing, need often cleaning, and lowest part is provided with slag-drip opening 67 in the bottom of casing 61 in the present embodiment; Slag-drip opening 67 be communicated with casing 61 inner chambers, 67 places are provided with the plug that is used for the shutoff slag-drip opening at slag-drip opening.During normal the use, plug blocks slag-drip opening, the water tank operate as normal.When the needs deslagging, the plug of outwarding winding, the refuse in the casing is discharged from slag-drip opening with current, accomplishes cleaning.
During use, the underframe of water tank is fixedly mounted on the transport vehicle carrier, when moving on the work plane that the transport vehicle carrier is tilting; Underframe tilts, at this moment, and under action of gravity; To the rotate axial rotation of moving axis of casing, thus guarantee that the liquid level in the casing does not change basically.Because down-hole or underground work plane are comparatively complicated, in the whole process that the transport vehicle carrier moves, casing will rotate moving axis in the swing of certain angle scope, with realize at any time, leveling rapidly.
Like Fig. 1, Fig. 3, shown in Figure 4; On the inwall of casing 61, be installed with combined control valve 80; It comprises the main valve of moisturizing passage break-make in the control casing and according to the liquid level information Control main valve open in the casing or the pilot reversing valve 5 of closing, main valve comprises main valve body 1, and main valve body 1 is provided with the fluid passage that supplies fluid to pass through; The water inlet of fluid passage is communicated with high-pressure water through the water inlet pipe in the turning cylinder of casing; The delivery port of fluid passage is connected with casing, in the fluid passage, is provided with valve seat 13, and slidable fit is useful on be sealed and matched with the spool 12 of closing fluid passage corresponding with valve seat in main valve body 1; The glide direction of spool is defined as above-below direction; Above spool 12, be provided with the piston rod 2 that extends along the vertical direction, slidable fit has piston 3 in piston rod 2, and piston 3 is fixedly connected and drives spool 12 synchronization actions through connecting rod 15 with spool 12; Piston 3 in the piston rod 2 is divided into epicoele 100 and cavity of resorption 200 with piston cavity, piston rod 2 casing walls be provided be connected with epicoele 100 on communication port 231 and the following communication port 232 that is connected with cavity of resorption 200; The described pilot reversing valve 5 of controlling the main valve break-make according to the casing liquid level is two-position five-way valve; Two stations of two-position five-way valve are respectively first station and second station; Two-position five-way valve comprises inlet 55, first liquid outlet 54, second liquid outlet 56 and first working hole 58, second working hole 57; First working hole 58 is connected with the epicoele 100 of piston rod 2 through last communication port 231; Second working hole 57 then is connected with the cavity of resorption 200 of piston rod 2 through following communication port 232, and the inlet 55 of two-position five-way valve is normal opening, when guide's reversal valve is in first station; Inlet is connected with first working hole; Second working hole is connected with second liquid outlet, and water under high pressure passes through inlet, first working hole, goes up the epicoele that connected entrance gets into piston rod, and the water in the piston rod cavity of resorption is through connected entrance, second working hole, second liquid outlet are drained down; When pilot valve is in second station; Inlet is connected with second working hole; First working hole then is communicated with in first liquid outlet; Water under high pressure gets into the cavity of resorption of piston rod through inlet, second working hole, following connected entrance; Water in the piston rod epicoele is drained through last connected entrance, first working hole, first liquid outlet, and the inlet 55 of described pilot reversing valve is connected with the water inlet pipe of the water under high pressure that is used for equating with the water under high pressure homology and the pressure of water inlet, said fluid passage to inlet input, the water under high pressure homology at water inlet 17 places of fluid passage on the water under high pressure at inlet 55 places and the main valve body 1 like this; And the pressure of the water under high pressure at two places equates, moves along the vertical direction to drive spool 12 slips through the epicoele 100 or the cavity of resorption 200 injection water under high pressure driven plunger 3 of inlet 55 to piston rod 2.
Pilot reversing valve in the present embodiment is a two-position five-way valve; Also can adopt other reversal valve structure among other embodiment; This reversal valve will possess an inlet, a delivery port and two working holes at least and get final product; For example can adopt structures such as two-position four-way valve, as long as can satisfy when pilot reversing valve is in different station, the liquid communication in the upper and lower chamber of piston rod is in the opposite direction; And make that the liquid in the cavity that flows into piston rod is the water under high pressure that flows into through inlet, and the liquid that from the cavity of piston rod, flows out is discharged through liquid outlet.
In the present embodiment, the water under high pressure homology of the water inlet of fluid passage on the water under high pressure at the inlet place of above-mentioned two-position five-way valve and the main valve body, and the hydraulic pressure of two place's water under high pressures equates.In other embodiments, the hydraulic pressure of the water under high pressure at the inlet place of two position three-way valve can be greater than the hydraulic pressure of the water inlet of fluid passage, to improve the action sensitivity of whole combined control valve.
Like Fig. 1, Fig. 3, Fig. 4, shown in Figure 5; In the present embodiment; Serve as reasons as the two-position five-way valve of pilot reversing valve 5 and to go deep into the reversal valve that the ball float 7 vasculum body fluid face elevation informations in the casing are controlled; Comprise the switching-over valve body 51 that extends along the vertical direction; On switching-over valve body 51, be provided with the switching-over valve pocket 53 that extends along the vertical direction; The side towards piston rod of switching-over valve body 51 is provided with first working hole 58 and second working hole 57; On the side that deviates from piston rod of switching-over valve body 51, be furnished with first liquid outlet 54, inlet 55 and second liquid outlet 56 from top to bottom successively, described first working hole, second working hole, first liquid outlet, inlet and second liquid outlet all are connected with the switching-over valve pocket, and slidable fit is useful on the reversing valve core 52 of controlling the two-position five-way valve station in the valve pocket that commutates; Whether first working hole, second working hole, first liquid outlet, inlet and second liquid outlet on the reversing valve core 52 control switching-over valve bodies are communicated with the switching-over valve pocket when different station; Described reversing valve core 52 is by lever 6 drive actions that are hinged on the switching-over valve body, and an end that is positioned at the switching-over valve body of lever 6 is connected on the reversing valve core, and the external end of reversal valve that is positioned at of lever 6 is provided with the ball float 7 that activation lever is moved.Switching-over valve body 51 is fixedly installed on the piston rod through the rebound 4 that is arranged between piston rod and the switching-over valve body; Be provided with on the rebound 4 be used to be communicated with piston rod on communication port and two-position five-way valve first working hole on interface channel 41 and be communicated with the following interface channel 42 of second working hole of following communication port and the two-position five-way valve of piston rod; All extend along the vertical direction at the upper and lower interface channel of present embodiment; When two-position five-way valve is fixed on the piston rod by rebound; Last interface channel is communicated with the last communication port of piston rod and first working hole of two-position five-way valve, and interface channel is communicated with the following communication port of piston rod and second working hole of two-position five-way valve down.
Because two-position five-way valve and piston rod are separate whole parts; Upper and lower communication port on the piston rod is corresponding with regard to the position last, second working hole that not necessarily just is being better than two-position five-way valve like this; At this moment; Upper and lower interface channel is set on rebound can effectively remedies this defective, improve efficiency of assembling.
The reversing valve core 52 of the two-position five-way valve in the present embodiment is gathered liquid level information and is fed back to pilot reversing valve through lever by ball float by ball float 7 controls, during use, is swung around the lever pin joint by the water-driven ball float in the casing.When the liquid level in the casing rose, water promoted the ball float come-up, through with the lever actuated two-position five-way valve of ball float interlock in reversing valve core move down.And when the liquid level of water in the casing descended, ball float descended, through with the lever actuated two-position five-way valve of ball float interlock in reversing valve core on move.Like this according to liquid level in the casing just be reflected on the ball float control reversing valve core on move or move down, realize the conversion of the station of two-position five-way valve.
When combined control valve was opened, water injected casing from the delivery port of fluid passage, and the liquid level of water rises to a certain position in the casing; When the liquid level of the water in the casing continues to rise, water will drive the ball float come-up, and ball float moves down through the lever actuated reversing valve core; When two-position five-way valve is in station; The inlet of two-position five-way valve is communicated with first working hole, and water under high pressure gets in the epicoele of piston rod through inlet, first working hole, and water under high pressure will promote piston and move down; And because this moment, second working hole was connected with second liquid outlet; Water in the cavity of resorption of piston rod is drained through second liquid outlet, can not stop the downward action of piston, piston will move down always until valve seat with close combined control valve after valve base sealing cooperates.When the water in the casing reduced because of use gradually, the liquid level of water descended in the casing, and ball float descends; Ball float is through moving on the lever actuated reversing valve core, and when two-position five-way valve was in station, the inlet of two-position five-way valve was communicated with second working hole; Water under high pressure gets in the cavity of resorption of piston rod through inlet, second working hole; Water under high pressure will promote piston and move up, and because first working hole is connected with first liquid outlet at this moment, the water in the epicoele of piston rod is drained through first liquid outlet; Can not stop the upwards action of piston, piston will move down always after valve seat and valve seat disengaging and open combined control valve.
Adopt the mechanical of floating ball lever formula to gather the conversion that liquid level information is controlled the two-position five-way valve station in the present embodiment; Also can adopt other non-mechanical means such as electromagnetism to control the conversion of two-position five-way valve station in other embodiments; Control signal can require in the input two-position five-way valve according to reality; For example: two level sensors that can be provided with two highly unequal positions in the casing; Whether the liquid level information of gathering in the casing through level sensor decides the reversing valve core of two-position five-way valve to move, thus the conversion of the station of control two-position five-way valve.
Certainly as preferred scheme, adopt the ball float control mode of Purely mechanical in this enforcement, there is not the defective of error signal, its control is accurately effectively.
As shown in Figure 3; The main valve of the combined control valve that present embodiment provided comprises the main valve body 1 of bottom and the piston rod 2 on top; Main valve body 1 comprises the peripheral envelope 14 of extending along the vertical direction; On peripheral envelope 14 top end faces, cylinder body 23 is arranged, be installed with cylinder cap 21, be provided with cylinder bottom in the bottom of cylinder body 21 at the top of cylinder body 23 through bolt; Described piston rod 2 is made up of cylinder cap 21, cylinder body 23 and cylinder bottom; Surround the piston rod inner chamber by cylinder body, cylinder cap, cylinder bottom, surround epicoele, surround cavity of resorption by piston, cylinder bottom and cylinder body by cylinder cap, piston and cylinder body; The casing wall place is provided with communication port 231 at the top of cylinder body; At casing wall place, the bottom of cylinder body communication port 232 down is set, the piston 3 in the piston rod 2 is composed of a fixed connection through connecting bolt by upper piston plate, middle piston plate and the lower piston plate arranged successively from top to bottom, and the upper, middle and lower piston plate is provided with the pilot hole that matches with connecting rod; Pilot hole on the upper piston plate is a screwed hole in the present embodiment; And in, the pilot hole on the lower piston plate is unthreaded hole, between middle piston plate and upper and lower piston plate, is respectively arranged with the sealing ring that is used for packed-piston and cylinder body gap, sealing ring adopts lip-type packing to adapt to the slipper seal of piston and cylinder body in the present embodiment; The head of the connecting bolt on the said piston protrudes in the downside of lower piston plate; When the head roof pressure of connecting bolt leaves the following water inlet gap that is communicated with following communication port between downside and the cylinder bottom of piston plate at present at cylinder bottom, described piston is provided with the convexity of the upper side that protrudes in the upper piston plate, when the protruding roof pressure of piston is on cylinder cap, leaves the enterprising water space that is communicated with last communication port between the upper side of upper piston plate and the cylinder cap.
Upper and lower water inlet gap is set in piston rod can effectively avoids driving the dead point, guarantee being active in one's movements of piston in the whole combined control valve.
As shown in Figure 3; The cylinder bottom of piston rod is the fixedly holding plate 10 that is arranged on peripheral envelope and cylinder body crossover position place in the present embodiment; Fixedly holding plate 10 is provided with the via hole that supplies connecting rod to pass; This via hole is upwardly extending stepped hole on the fixing holding plate downside; The step surface of stepped hole down, on the step surface of stepped hole in fixedly being provided with hermetically-sealed construction between holding plate and the connecting rod, the hermetically-sealed construction here comprises lip-type packing and the O type circle that is sleeved on successively from top to bottom on the connecting rod; In the stepped hole of fixing holding plate, below hermetically-sealed construction, be provided with the packing plate that is used for fixing hermetically-sealed construction, on the packing plate, offer the via hole that supplies connecting rod to pass.
As shown in Figure 3; In the peripheral envelope 14 of main valve body 1, be provided with the valve pocket 300 that extends along the vertical direction in the present embodiment; Described spool 12 drives lower slider at connecting rod and is assemblied in the valve pocket 300; Be provided with the sealing-plug of the corresponding valve seat that is sealed and matched 13 with spool of conduct in the bottom of the valve pocket 300 of peripheral envelope, the sealing plug is fixed on the peripheral envelope 14 through silk pressing 11, and sealing-plug is provided with the delivery port 18 that extends along the vertical direction; Above sealing-plug, be provided with the water inlet that is communicated with valve pocket on the peripheral envelope; In the present embodiment, spool is up big and down small pyramidal structure, and the spool of pyramidal structure is through being bolted to the lower end of connecting rod; Described as cooperating with spool is corresponding on the sealing-plug of valve seat, described sealing-plug as valve seat is similarly the up big and down small corresponding pyramidal structure that is sealed and matched with spool.
Be sealed and matched with after closing combined control valve when spool is corresponding with valve seat because water inlet is positioned at the top of spool, like this through water under high pressure that water inlet gets into valve pocket with spool on, forms self-styled, the stability of raising combined control valve.And when needs are opened, because the pressure-bearing surface of piston will be much larger than the pressure-bearing surface of spool, so can open very easily.
Described water inlet 17, valve pocket 300 and delivery port 18 are formed the fluid passage that supplies fluids to flow through.In the present embodiment, the fluid passage is a bent passage, also can be straight channel in other embodiments, and this moment, the valve seat in the fluid passage was arranged on straight channel and the corresponding position of spool, and the water inlet and the delivery port of straight channel are coaxial.
Each ingredient of whole combined control valve can be taken apart respectively in the present embodiment, when maintain and replace, can change a certain parts separately, and the combined control valve efficiency of assembling of this structure is high, and is easy to maintenance.
Like Fig. 1, Fig. 3, Fig. 5, Fig. 6; Its operating principle was described below when the combined control valve in the water-storing tank was worked: shown in Figure 3; This moment, combined control valve was in closed condition, and two-position five-way valve action this moment is positioned at station down, and the inlet 55 of two-position five-way valve is communicated with first working hole 58; Water under high pressure injects the epicoele 100 of piston rods through inlet 55, avoids the spool misoperation and causes the Combination Control opening of valves.When combined control valve need be opened, promptly by state shown in Figure 3 when the state-transition shown in Figure 5, moving on through the lever actuated reversing valve core under the ball float effect; When two-position five-way valve is in station; The inlet 55 of two-position five-way valve is communicated with second working hole 57, and water under high pressure gets in the cavity of resorption 200 of piston rod through inlet 55, second working hole 5, and water under high pressure will promote piston 3 and move up; And because this moment, first working hole 58 was connected with first liquid outlet 54; Water in the epicoele of piston rod is drained through first liquid outlet 54, can not stop the upwards action of piston, and piston will move down always after valve seat and valve seat disengaging and open combined control valve; It is state shown in Figure 5; When combined control valve was in open mode, water under high pressure injected the cavity of resorption of piston rod through inlet, avoided the spool misoperation and caused combined control valve to be closed.When combined control valve need be closed, promptly by state shown in Figure 5 when the state-transition shown in Figure 3, under the ball float effect, move down through the lever actuated reversing valve core; When two-position five-way valve was positioned at station, the inlet of two-position five-way valve was communicated with first working hole, and water under high pressure gets in the epicoele of piston rod through inlet, first working hole; Water under high pressure will promote piston and move down; And because this moment, second working hole was connected with second liquid outlet, the water in the cavity of resorption of piston rod is drained through second liquid outlet, can not stop the downward action of piston; Piston will move down always until valve seat with close combined control valve, state promptly shown in Figure 3 after valve base sealing cooperates.
Claims (10)
1. a water-storing tank comprises casing, it is characterized in that: be provided with combined control valve in the described casing; This combined control valve comprises the main valve of moisturizing passage break-make in the control casing and according to the liquid level information Control main valve open in the casing or the pilot reversing valve of closing, main valve comprises main valve body and be arranged on the fluid passage on the main valve body that the water inlet of fluid passage is used for being communicated with extraneous high-pressure water, its delivery port is communicated with casing; In the fluid passage, be provided with valve seat, slidable fit is useful on and cooperates with valve base sealing closing the spool of fluid passage in main valve body, and the glide direction of spool is defined as above-below direction; Above spool, be provided with the piston rod that extends along the vertical direction; Be provided with piston in the piston rod, piston is fixedly connected and drives the spool synchronization action through a connecting rod with spool, and piston is divided into epicoele and cavity of resorption with the piston rod inner chamber; Be provided with on the piston rod casing wall be communicated with epicoele on communication port and the following communication port that is communicated with cavity of resorption; Said pilot reversing valve is a two-position valve, and two pilot reversing valves have an inlet, a liquid outlet and two working holes at least, and two working holes are first working hole and second working hole; First working hole is communicated with said epicoele through last communication port; Communication port was communicated with said cavity of resorption under second working hole passed through, and two pilot reversing valves have first station and second station, when guide's reversal valve moves first station; Inlet is communicated with first working hole; Liquid outlet is communicated with second working hole, and when guide's reversal valve moved second station, inlet was communicated with second working hole; Liquid outlet is communicated with first working hole, moves through the epicoele or the cavity of resorption injection water under high pressure driven plunger of inlet to piston rod.
2. water-storing tank according to claim 1 is characterized in that: the inlet of described pilot reversing valve is connected with the water inlet pipe of the water under high pressure that is used for equating with the water under high pressure homology and the pressure of water inlet, said fluid passage to inlet input.
3. water-storing tank according to claim 1; It is characterized in that: the relative both sides of described casing walk abreast and are provided with two supports; Casing rotates and is assemblied on the said support; The two sides towards support of casing are two installation sides that laterally arrange, and on two installation sides, are respectively equipped with one perpendicular to the turning cylinder that plane, place, side is installed, the coaxial setting of two turning cylinders; The axis of turning cylinder is positioned at the top of casing center of gravity, support be provided with casing on two bearings that turning cylinder is rotatably assorted.
4. water-storing tank according to claim 1; It is characterized in that: described main valve body is provided with the valve pocket that extends along the vertical direction; Said connecting rod drives spool and is slidedly assemblied in the said valve pocket; Said fluid passage is made up of the delivery port that is communicated with valve pocket that is arranged on the water inlet that is connected with valve pocket, the valve pocket on the main valve body and is arranged on spool below, and the valve seat in the described fluid passage is arranged on said delivery port position.
5. water-storing tank according to claim 1; It is characterized in that: said pilot reversing valve comprises the switching-over valve body that extends along the vertical direction; Said inlet, liquid outlet and first, second working hole all are arranged on the switching-over valve body; On the switching-over valve body, be provided with the switching-over valve pocket that is used to be communicated with inlet, liquid outlet and first, second working hole that extends along the vertical direction; In the switching-over valve pocket, be provided with the reversing valve core that is used to control the pilot reversing valve station; Reversing valve core is by the lever actuated action that is hinged on the switching-over valve body, and an end that is positioned at the switching-over valve body of said lever is connected on the reversing valve core, and the external end of reversal valve that is positioned at of lever is provided with the ball float that activation lever is moved.
6. water-storing tank according to claim 5; It is characterized in that: described piston rod and switching-over are provided with between the valve body and are used for pilot reversing valve is fixed on the rebound on the piston rod, rebound be provided be communicated with said go up the last interface channel of communication port and first working hole and be communicated with said under the following interface channel of communication port and second working hole.
7. according to any described water-storing tank in the claim 1 to 6; It is characterized in that: described piston rod comprises cylinder body; The cylinder body top is installed with cylinder cap, and the bottom of cylinder body is installed with cylinder bottom, on cylinder bottom, is provided with the via hole that supplies connecting rod to pass; The said communication port that goes up is arranged on the top casing wall of cylinder body, and described communication port down is arranged on the bottom casing wall of cylinder body.
8. water-storing tank according to claim 7; It is characterized in that: described piston is composed of a fixed connection through connecting bolt by upper piston plate, middle piston plate and the lower piston plate arranged successively from top to bottom; The upper, middle and lower piston plate is provided with the installing hole that matches with connecting rod, between middle piston plate and upper and lower piston plate, is respectively arranged with the sealing ring that is used for packed-piston and cylinder body gap.
9. water-storing tank according to claim 8; It is characterized in that: the head of described connecting bolt protrudes in the downside of lower piston plate, when the head roof pressure of connecting bolt leaves the following water inlet gap that is communicated with following communication port between downside and the cylinder bottom of piston plate at present at cylinder bottom; Described piston is provided with the convexity of the upper side that protrudes in the upper piston plate, when the protruding roof pressure of piston is on cylinder cap, leaves the enterprising water space that is communicated with last communication port between the upper side of upper piston plate and the cylinder cap.
10. water-storing tank according to claim 7; It is characterized in that: described main valve body comprises peripheral envelope; The cylinder body of said piston rod is through being bolted on the peripheral envelope; The cylinder bottom of piston rod is the fixedly holding plate that is provided with at the crossover position place of peripheral envelope and cylinder body, and the via hole that supplies connecting rod to pass on the said cylinder bottom is the fixing stepped hole that is provided with of holding plate downside, on the step surface of stepped hole in fixedly being provided with hermetically-sealed construction between holding plate and the connecting rod; In the stepped hole of fixing holding plate, below hermetically-sealed construction, be provided with the packing plate that is used for fixing hermetically-sealed construction, said connecting rod passes said packing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110216109 CN102337753B (en) | 2011-07-30 | 2011-07-30 | Water storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110216109 CN102337753B (en) | 2011-07-30 | 2011-07-30 | Water storage tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102337753A true CN102337753A (en) | 2012-02-01 |
| CN102337753B CN102337753B (en) | 2013-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110216109 Active CN102337753B (en) | 2011-07-30 | 2011-07-30 | Water storage tank |
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| CN (1) | CN102337753B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089096A (en) * | 2015-09-01 | 2015-11-25 | 中国恩菲工程技术有限公司 | Underground reduced pressure water supply system |
| CN110371914A (en) * | 2019-07-24 | 2019-10-25 | 青岛金黄海集装箱有限公司 | A kind of tank oiling oil overfill protection system and its working method |
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| JP2005099895A (en) * | 2003-09-22 | 2005-04-14 | Daiwa Tekkosho:Kk | Automatic water level control apparatus for water storage tank, and water storage tank |
| CN101021075A (en) * | 2007-03-19 | 2007-08-22 | 涂志荣 | Automatic controller for pressure differential water storage tank water level |
| CN101046255A (en) * | 2006-03-29 | 2007-10-03 | 宝山钢铁股份有限公司 | Great flow rate proportional water valve |
| CN201908883U (en) * | 2010-12-29 | 2011-07-27 | 上海美钻设备成套有限公司 | Two-position three-way pilot reversing valve |
| CN202181577U (en) * | 2011-07-30 | 2012-04-04 | 郑州光力科技股份有限公司 | Water-storing water tank |
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2011
- 2011-07-30 CN CN 201110216109 patent/CN102337753B/en active Active
Patent Citations (5)
| 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 |
| CN101046255A (en) * | 2006-03-29 | 2007-10-03 | 宝山钢铁股份有限公司 | Great flow rate proportional water valve |
| CN101021075A (en) * | 2007-03-19 | 2007-08-22 | 涂志荣 | Automatic controller for pressure differential water storage tank water level |
| CN201908883U (en) * | 2010-12-29 | 2011-07-27 | 上海美钻设备成套有限公司 | Two-position three-way pilot reversing valve |
| CN202181577U (en) * | 2011-07-30 | 2012-04-04 | 郑州光力科技股份有限公司 | Water-storing water tank |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089096A (en) * | 2015-09-01 | 2015-11-25 | 中国恩菲工程技术有限公司 | Underground reduced pressure water supply system |
| CN110371914A (en) * | 2019-07-24 | 2019-10-25 | 青岛金黄海集装箱有限公司 | A kind of tank oiling oil overfill protection system and its working method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102337753B (en) | 2013-05-29 |
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Address after: 450001 Henan city of Zhengzhou province high tech Industrial Development Zone Long Chun Road No. 10 Patentee after: Power Polytron Technologies Inc Address before: 450001, No. 10, Chun Yang Road, hi tech, Henan, Zhengzhou Patentee before: Zhengzhou GL Tech Company |
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