CN2499803Y

CN2499803Y - Reset type digital display two-way self control liquid volume controller

Info

Publication number: CN2499803Y
Application number: CN 01245470
Authority: CN
Inventors: 陆建中; 张万民
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-08-20
Filing date: 2001-08-20
Publication date: 2002-07-10
Anticipated expiration: 2011-08-20

Abstract

The utility model discloses a homing position type digisplay two-way auto-control reset controller for liquid capacity, which is composed of a shell, an one-way inlet valve, an inlet angle valve, an angle valve positioning device, an impeller, a counter, a counter driving device, a counter reset device, and a capacity regulating device, wherein the shell is provided with a cold water inlet, a hot water outlet, and a water tank port; the one-way inlet valve is provided at the cold water inlet with one end connected with the inlet angle valve; the impeller is provided inside the cavity in the middle of the shell; one end of the counter driving device is arranged on the revolving shaft of the impeller, the other end is connected with the counter; one end of the counter reset device is in contact with the counter, the other end is contacted with the driving device; the capacity regulating device is connected with the counter in one way, and in contact with the handle of the angle valve in another way. The utility model can display real-time liquid capacity in two-way dynamically, realize in and out regulating and auto-control for any capacity of liquid, and prevent inlet and outlet liquid from backflow.

Description

The homing position type numeral shows two-way automatically controlling liquid capacity control

Technical field

The utility model relates to a kind of water level display controller, and particularly a kind of homing position type numeral applicable to solar water heater shows two-way automatically controlling liquid capacity control.

Technical background

Solar water heater has energy-efficient because of it, sanitation and hygiene, the advantage of environmental protection and being widely used, but when reality is used, also have such problem: the water-level and water-temperature that solar water heater adopted show control instrument ubiquity can't control arbitrarily the last water water yield of water tank, can not the instant playback water tank in what defective of the real surplus water yield in water tank when institute's inflow or water.

Summary of the invention

The technical problems to be solved in the utility model be exactly the existing water level display controller last water water yield that can't control water tank arbitrarily, can not the instant playback water tank in the defective of the real surplus water yield in water tank when institute's inflow or water.

For addressing the above problem, the utility model adopts following technical scheme:

The utility model is made of housing, unidirectional water intaking valve, water inlet angle valve, angle valve locating device, impeller, counter, counter gearing, counter reset device, capacity regulating device, and housing is provided with into cold water outlet, hot-water outlet and connects three openings of tank port; Unidirectional water intaking valve is located at into cold water outlet, and the one end links with the water inlet angle valve; Impeller is located in the cavity of housing central authorities, and an end of counter gearing is contained in the rotating shaft of impeller, and the other end and counter link; Counter reset device one end contacts with counter, and the other end contacts with gear train, can make the gear train associated components break away from engagement; Capacity regulating device links with counter and by its drive, contacts with the angle valve handle on the other hand on the one hand; Water inlet angle valve handle is provided with a torsion spring, and the one end is fixed on the angle valve handle, and the other end is fixed on the housing.

The utility model will unite two into one into and out of the demonstration of water yield control with the actual water amount of water tank, and actual inflow and synchronous demonstration inflow what control automatically, stop into water when inflow arrives any set amount automatically; When water, then can dynamically show the water amount in the water tank, and the refluence of water in the water tank can prevent that hydraulic pressure is not enough the time.The utility model volume is small and exquisite, and dependable performance does not exist special temperature, pressure and electric wiring.Need not when being used for solar water heater to destroy itself structure, so need not special maintenance at ordinary times, do not have any potential safety hazard, use cost is cheap, long service life, and be installed in indoorly, do not need main room, the risk of no work high above the ground.The water level that not only can be used for solar water heater is controlled automatically, and can save run-down pipe, also can be used for the occasion that other need limited flow rate or require automatic switch fluid, restriction liquid flat (water level).

Description of drawings

Fig. 1 is a front view of the present utility model.

Fig. 2 is the left view of Fig. 1.

Fig. 3 is the A-A cut-open view of Fig. 1.

Fig. 4 is the synoptic diagram of the utility model gearing.

Resetting means synoptic diagram when Fig. 5 is in open mode for the utility model angle valve.

Resetting means synoptic diagram when Fig. 6 is in closed condition for the utility model angle valve.

Embodiment

The utility model is made of housing 1,2, unidirectional water intaking valve 11, water inlet angle valve 12, angle valve locating device, impeller 5, counter 4, counter gearing, counter reset device, capacity regulating device, housing 1,2 is divided into upper shell 1 and lower house two parts about in the of 2, which is provided with into cold water outlet, hot-water outlet and connects three openings of tank port.Impeller 5 is located in the cavity of housing central authorities, is provided with water spray muzzle 8 in the impeller cavity.Unidirectional water intaking valve 11 is located at into cold water outlet, and the one end links with water inlet angle valve 12.One end of counter gearing is contained in the rotating shaft of impeller 5, and the other end and counter 4 link; Counter reset device one end contacts with counter 4, and the other end contacts with gear train, can make the gear train associated components break away from engagement.Capacity regulating device links with counter 4 and by its drive, contacts with angle valve handle 9 on the other hand on the one hand; Water inlet angle valve handle 9 is provided with a torsion spring 13, and the one end is fixed on the angle valve handle 9, and the other end is fixed on the housing 1,2.

The counter gearing is made of gear 14,15,16,17, worm gear 19, worm screw 20, gear 14,16 is meshed with gear 15,17 respectively, gear 15 and gear 16 are fixed in the same rotating shaft, gear 17 is meshed with worm screw 20, and the worm gear 19 that is meshed with worm screw 20 is fixed in the rotating shaft of units character wheel of counter 4.

The counter reset device is made of hook 25, stage clip 26, shift fork 27, extension spring 28 and push rod 31, stage clip 26 1 ends are fixed on the housing 1,2, the other end withstands hook 25, extension spring 28 1 ends are fixed on the housing 1,2, the other end is held shift fork 27, under normal circumstances, stage clip 26 and extension spring 28 are in compression and extended state respectively, link up with 25 shift fork 27 hooked; Push rod 31 1 ends contact with the angle valve handle, and the other end contacts with shift fork 27; Match with the counter reset device, be fixed with a cam 18 on the hundred figure place character wheels of counter 4, can promote hook 25 by this cam 18 when needing, make it to be separated, otherwise also can make hook 25 hook shift fork 27 by rotating angle valve handle 9 with shift fork 27

Capacity regulating device is made of worm screw 21, worm gear 22,24 groups on ratchet, adjusting knob 7, switch pin 29 and stage clip 30.Ratchet group (24) is fixed on and worm screw (2)) in the rotating shaft of the worm gear (22) that is meshed, worm gear 21 is driven by counter 4; Ratchet group 24 is provided with cam (23), and is corresponding with it, and a protrusion is also arranged on the switch pin 29; The angle valve handle 9 of water inlet angle valve 12 is provided with a projection, and switch pin 29 1 ends link to each other with stage clip 39 on being fixed on housing 1,2, and the other end withstands angle valve handle 9 by the projection on the angle valve handle 9.Adjusting knob (7) is fixed on the external tooth of ratchet group (24), which is provided with scale.

Specifically describe the course of work of the present utility model below:

Torsion spring 13 on the water inletshank makes angle valve be in closed condition all the time under normal condition.When anhydrous in the water tank and angle valve were closed, the gear 14 and 15 in the counter gearing was in released state, and being shown as of this hour counter is zero.When regulating inflow, only need outwards to promote regulating water level knob 7, the external tooth of ratchet group 24 and internal tooth are separated, can rotate adjusting knob 7 so easily and set inflow.After inflow configures, downwards by regulating water level knob 7, the interior external tooth of ratchet group 24 is meshed again again.Then, rotate angle valve handle 9, make it place horizontal level, this moment, angle valve 12 was opened, and current enter the housing inner chamber by water inlet through unidirectional water intaking valve 11, mistake water inlet angle valve 12.Simultaneously, switch pin 29 moves under the pressure effect of stage clip 30, block angle valve handle 9, keep angle valve to be in opening, because the effect of angle valve handle 9 is moved push rod 31 and is promoted shift fork 27, driven gear 15 resets and gear 14 engagements, links up with 15 simultaneously and moves under the effect of stage clip 26, hooks shift fork 27.The water that enters the housing inner chamber promotes impeller 5 and is rotated in the forward by the effect of water spray muzzle 8, and driven gear 14,15,16, worm screw 20, worm gear should be 19, display 4 and drive worm screw 21, worm gear 22,24 runnings of ratchet group.The water that enters impeller cavity enters water tank by going out cold water outlet, when reach setting inflow the time, the cam 23 pull switch pins 29 on the impeller, make its displacement, break away from angle valve handle 9, like this, angle valve handle 9 can be closed angle valve 12 under the effect of torsion spring 13, reaches the purpose of automatic water stopping.So far, the work of water is finished on the water tank.Institute's inflow obtains visual and clear numeral demonstration at any time in the whole water inlet process on counter 4, required inflow also can very conveniently be realized the free adjustment setting by water inlet adjusting knob 7 reliably, switch pin 29 is the starting point that begins to go up water, be again the terminal point that stops to go up water automatically, to guarantee that into the rotation amplitude of water adjusting knob 7 is spent less than 360.

When people opened hot-water outlet's switch, the water in the water tank just warp made its reverse rotation with water spray muzzle 8 reverse impact impeller 5 and blades in the mouth of a river down, still drives each moving component counter motion by gear 14 simultaneously.When 24 groups on ratchet fell back on the inflow of former setting, display was classified as zero.Because water has the phenomenon of expanded by heating, the volume of heating back water increases to some extent, this moment, water tank still had a small amount of hot water to continue to flow to water delivering orifice by end opening, for the inflow of constant setting is constant, eliminate the surplus error, the utility model has disposed the method for making zero, the cam 18 promotion hooks 25 that are 4 up to a hundred wheels of this hour counter move, make shift fork 27 under the effect of extension spring 28, break away from hook 25, and driven gear 15 moves, thereby make gear 15 and gear 14 break away from engagements.Remove impeller 5, gear 14 motions place this moment in the controller, miscellaneous part stop motion, thereby the zero starting point when guaranteeing the next time water inlet.

The utility model links to each other with water tank etc. by loose joint nut 10.

When the water inlet retaining valve that the utility model angle is provided with can prevent effectively that hydraulic pressure is not enough, the refluence phenomenon of water was protected solar water heater user's basic interests in the water tank.During water outlet, indicated reading successively decreases gradually on original water inlet end hour counter and the adjusting knob.Therefore, can be at any time in water utilizing process what of actual water amount in indicated reading is learnt on counter and the adjusting knob, but and precise quantification express.Fundamentally having changed existing water-temperature water-level display can only be with the fuzzy representation of high, medium and low third gear prompting, prompting " distortion " phenomenon when more having stopped water level and being between two kinds of gears.

The utility model is not only applicable to solar water heater, and is applicable to that the metering of the two-way adjustable auto-controlled check of any liquid shows and control.

Claims

1, a kind of homing position type numeral shows two-way automatically controlling liquid capacity control, it is characterized in that it is made of housing (1,2), unidirectional water intaking valve (11), water inlet angle valve (12), angle valve locating device, impeller (5), counter (4), counter gearing, counter reset device, capacity regulating device, housing (1,2) is provided with into cold water outlet, hot-water outlet and connects three openings of tank port; Unidirectional water intaking valve (11) is located at into cold water outlet, and the one end links with water inlet angle valve (12); Impeller (5) is located in the cavity of housing (1,2) central authorities, and an end of counter gearing is contained in the rotating shaft of impeller (5), and the other end and counter (4) link; Counter reset device one end contacts with counter (4), and the other end contacts with gear train, can make the gear train associated components break away from engagement; Capacity regulating device links with counter (4) on the one hand and by its drive, on the other hand with (9) contact mutually of angle valve handle; Angle valve handle (9) is provided with a torsion spring (13), and the one end is fixed on the angle valve handle (9), and the other end is fixed on the housing (1,2).

2, show two-way automatically controlling liquid capacity control according to claims 1 described homing position type numeral, it is characterized in that described counter gearing is made of gear (14,15,16,17), worm gear (19), worm screw (20), gear (14,16) is meshed with gear (15,17) respectively, gear (15) and (gear) 16 are fixed in the same rotating shaft, gear (17) is meshed with worm screw (20), and the worm gear (19) that is meshed with worm screw (20) is fixed in the rotating shaft of units character wheel of counter (4).

3, show two-way automatically controlling liquid capacity control according to claims 1 described homing position type numeral, it is characterized in that described counter reset device is made of hook (25), stage clip (26), shift fork (27), extension spring (28) and push rod (31), stage clip (26) one ends are fixed on (1,2) on the housing, the other end withstands hook (25), extension spring (28) one ends are fixed on the housing (1,2), the other end is held shift fork (27), under normal circumstances, stage clip (26) and extension spring (28) are in compression and extended state respectively, and hook (25) then hooks shift fork (27); Push rod (31) one ends contact with angle valve handle (9), and the other end contacts with shift fork (27); Match with the counter reset device, be fixed with a cam (18) on the hundred figure place character wheels of counter (4), can promote hook (25) by this cam (18) when needing, make it to be separated with shift fork (27), otherwise also can make hook (25) hook shift fork (27) by rotating angle valve handle (9).

4, show two-way automatically controlling liquid capacity control according to claims 1 described homing position type numeral, it is characterized in that described capacity regulating device is made of worm screw (21), worm gear (22), ratchet group (24), adjusting knob (7), switch pin (29) and stage clip (30), ratchet group (24) is fixed on and worm screw (2)) in the rotating shaft of the worm gear that is meshed (22), worm gear (21) is driven by counter (4); Ratchet group (24) is provided with cam (23), and is corresponding with it, and a protrusion is also arranged on the switch pin (29); The angle valve handle (on 9) of water inlet angle valve (12) is provided with a projection, and switch pin (29) one ends link to each other with stage clip (30) on being fixed on housing (1,2), and the other end withstands angle valve handle (9) by the projection on the angle valve handle (9); Adjusting knob (7) is fixed on the external tooth of ratchet group (24).

5, show two-way automatically controlling liquid capacity control according to the described homing position type numeral of claims 1, it is characterized in that housing (1,2) is divided into upper shell (1) and lower house (2) two parts up and down, is provided with the muzzle (8) of spraying water in the impeller cavity.