CN2221118Y - Automatic breaker for pumping motor in short of water - Google Patents

Abstract

The utility model relates to an automatic breaker for pumping motor in short of water which can automatically cut off a motor power supply during cut off the water supply, belonging to a pipeline. An outer casing and a clamping seat are arranged, the center of the clamping seat is provided with a pipe joint, the inner edge of the pipe joint is orderly provided with a diaphragm and a base seat, the inner side of the base seat is provided with a stop lever on the diaphragm, and a fixed seat is arranged on the base seat; one side of the fixed seat is provided with a hole, a follower lever is sleeved and inserted in the hole, and the other side is fixed with joint reeds in a screw way; springs and repositioning pressing blocks are arranged on the stop lever, repositioning pressing blocks are connected with coupled lever groups, and the diaphragm is pushed by hydraulic pressure and stars the motor; driven elements are pushed to the normal position to cut off motor power supply by the springs during water shortage, and the aim of preventing motor burning is reached.

Description

Water-pumping motor lack of water automatic cutout

The utility model relates to an a kind of operation equipment or releasing device that is different from push rod or drag link mechanism that has between fluid-power motor and closure member, especially adopt fluid to act on device on the barrier film.

In some occasion, for example at the end of tap water pipeline, perhaps tall building often causes water inconvenience because of hydraulic pressure is not enough.For this reason, what have installs a compression motor additional to improve hydraulic pressure in end of line, and Water-pumping motor and water tower perhaps directly are installed, water is stored in water tower after, used again.

For the compression motor mode, should pressure switch be set at outlet pipe, this pressure switch after sensing water pipe hydraulic pressure in order to control compression motor running with stop, its key is that the preset pressure of adjusting pressure switch should be set between static hydraulic pressure and flow hydraulic, can reach above-mentioned effect.Yet if when cutting off the water, this pressure also is lower than preset pressure, causes the motor continuous running, finally burns.

For Water-pumping motor and water tower mode are installed, its Water-pumping motor is controlled by a ball float that is suspended in the water tower, when water level arrives predeterminated position, then motor shuts down, if water tower level is when being lower than preset height, motor is entry into service then, and if this moment is when running into aforementioned situation of cutting off the water, then water tower level can not rise, so motor also can continuous running and burnt.

Taiwan No.229739 number (notification number) patent application discloses a kind of improved fluid pressure switch, it is provided with under the pipe joint at spiral shell, end is provided with diaphragm, actuating strut, elastic element, screw thread projection in regular turn, goes up holder and fixed by spiral pin on the holder, and locate a sensitive switch on last holder top, make when implementing action, its hydrodynamic pressure reaches setup pressure value, then can come the upwards feeler lever of roof pressure sensitive switch by the pushing tow actuating strut on diaphragm, so that make sensitive switch do the control of ON/OFF.Extend pallet in last holder upper end portion, the screw thread projection is the cylinder that is provided with perforation in.Other establishes runner, and its periphery is lobe ring limit, and Jiong shape elastic rod is to be mounted on two hole places of holder and just to abut against the lobe ring limit of runner and suitable clip location runner.This fluid pressure switch is to promote a film and feeler lever with hydrodynamic pressure, and drives sensitive switch, reaches the purpose of control motor.

Taiwan NO.176963 number (notification number) patent application discloses a kind of lack of water cut off the power supply a motor, pumping and pressure switch protector; mainly form by plastic cement loam cake, circuit board and base; stretch out extremely rod with thread part in base inside; below base, have the plastic cement thread, be used for locking water pipe.Circuit board is in order to survey water power resistance in the water pipe.This device mainly reaches the control of lack of water outage by the variation of resistance value in the water sensing.

The purpose of this utility model aims to provide a kind of improved Water-pumping motor lack of water automatic cutout that motor power burns to prevent motor that can cut off automatically when pipeline is cut off the water.

The utility model comprises frame, holder, diaphragm, base, stop rod, fixed base, continuous motion stem group and fastener.

Holder central authorities establish the pipe joint that can be connected with water pipe line, then dispose a diaphragm and base in regular turn at this pipe joint inner edge, and base compresses diaphragm on holder; The base inboard has a space in order to put a stop rod on diaphragm; Configuration one fixed base in base top is offered a penetration hole in a side of fixed base, and cover is plugged in a follower lever moving up and down in the hole; And below the opposite side of fixed base affixed reed and the conducting plate selected of spiral shell.Above stop rod, establish flange, at the free end of stop rod configuration spring, spring bracket be subjected to the spring pushing and pressing and the briquetting that resets that presses down.Resetting block connects the continuous motion stem group.The continuous motion stem group by the interlock plate, lift up the straight sheet of sheet, reseting leaf and pincers and form, the reseting leaf two ends are connected in the interlock plate and lift up the free end of sheet, interlock plate and to lift up sheet be the center swing to clamp straight sheet clamps straight sheet and is fixed on the fixed base.Frame, fixed base, base and holder are fastening by fastener.

In order to adjust the spring pressure of stop rod, can establish the elastic force controlling device on the spring bracket top.

Because the utility model is installed at Water-pumping motor water outlet place, for sensing inner pipe water pressure power is moved.In pipe during lack of water, then its contact is open circuit (OFF) state, if when in the pipe water-filling being arranged (comprising flowing liquid), then be closed circuit (ON) state, so when controlling the running of motor as if this is connected with the aforementioned pressure switch, in the time that lack of water can being reached, the automatic cut-out of motor power prevented the purpose that motor burns.Simultaneously, because the utility model all is closed circuit (ON) state when in the pipe water being arranged, so do not influence the action of controlling motor ON/OFF with water tap.If be equipped with replacements (Reset) press button, lack of water and after the motor stall, when there is water at the place, water source, can be used for restarting motor in managing then.

Fig. 1 is a stereo appearance figure of the present utility model.

Fig. 2 is a sectional view of the present utility model.

Fig. 3 shows the partial sectional view of the contact side status and the situation of joint for the utility model.

Fig. 4 is an action schematic representation of the present utility model.

Fig. 5～7 are circuit layout of the present utility model and action schematic representation.

Fig. 8 is for adopting the elasticity adjusting lever structural scheme of mechanism.

Below in conjunction with accompanying drawing the utility model is described further.

Shown in Fig. 1～3, all elements of the present utility model are coated by frame (1) and holder (2), holder central authorities establish a pipe joint (20) that can be connected with water pipe line, dispose diaphragm (3) and base (4) in regular turn at pipe joint (20) inner edge, wherein base is in order to compress diaphragm (3) on holder.The base inboard has a space in order to putting stop rod (5), locates to flow into and during the ejection diaphragm, linkage stop rod (5) moves up from pipe joint (20) with convenient liquid.

Dispose fixed base (6) above base, a penetration hole (60) is offered on the right side of this fixed base (6), can move up and down in it for follower lever (61); Solid 2 contact reeds (62 of spiral shell below the left side of fixed base, 62 ', referring to Fig. 3) and conductive copper sheet (63), the position that conductive copper sheet set firmly is lower than contact contact (62,62 ') free end so that make its normality be positioned at open circuit (OFF) state (referring to the solid line part of Fig. 3) of not conducting.And when follower lever (61) when moving down, just this contact reed (62,62 ') can be closed circuit (ON) state, and when moving on the follower lever (61), this contact reed can be subjected to the base epirelief salient point (42) influence and to recoiling to former open-circuit condition.

In addition, the top tool flange (51) of stop rod (5), this flange is in order to the interlock plate (70) of ejection continuous motion stem group (7), the interlock plate is after being subjected to ejection, the straight sheet of pincers (73) that just can be fixedly arranged on fixed base (6) is swung for the center, to clamp straight sheet (7) with this equally be that the center is swung and lifted up sheet (71) and the straight sheet of these pincers also disposes one, and settle a reseting leaf (72) at this interlock plate (70) and the free end of lifting up sheet (71), so that make when interlock plate (70) is subjected to said flange (51) ejection and upwards swings, but the elastic force of mat reseting leaf (72) and will lift up sheet (71) free end and press down moves down to promote aforementioned follower lever (61).And at interlock plate (70) during as yet not by ejection, lift up sheet (71) then to be in the normal state and to go up bit position, do not push against follower lever (61) (this action of lifting up the sheet bottom is referring to Fig. 4).

Be subjected to spring (53), spring bracket (54) and pushed against by spring (53) and the briquetting that resets (52) that presses down one of the free end of aforementioned stop rod (5) configuration, when this briquetting (52) is lower than spring (53) thrust in order to go up pendulum and its external force when interlock plate (70), interlock plate (70) is pushed back the normality position, and lift up sheet (71) and also reset in the normality position this moment.Aforementioned contact reed (62,62 ') is not promoted by catch bar (61) yet and replys normality (OFF) state simultaneously.

Therefore, when pipe joint (20) is accepted hydraulic pressure that pipeline transmits greater than spring (53) thrust, then diaphragm (3) will go up the top and in regular turn interlock stop rod (5), connect transport plate (70), reseting leaf (72), lift up sheet (71), follower lever (61), and then with contact reed ((62,62 ') promote and make it conducting (ON), this state can be seen in Fig. 3 imaginary line and Fig. 4.And when fluid pressure was lower than spring (53) thrust or no liquid pressure, spring (53) then pushed back the normality position by the briquetting that resets (52) with all elements, and made contact reed (62) reply normality open circuit (OFF) state.(8) are external power supply wire among the figure.

Frame (1) is fixed in fixed base (6) with screw (10) upward and between fixed base (6), base (4) and holder (2) then to be fixed with vertical screw (11,11 '), so can effectively fix all elements.

Except the structure of above-mentioned circuit breaker, when distribution, can install a replacement press button (9 additional, referring to Fig. 5～7), by seeing among the figure that the utility model mainly is to become the configuration of series connection circuit mode with pressure switch (90) and Water-pumping motor (91), replacement press button (9) then with the contact (62 of this circuit breaker, 62 ') do configuration in parallel, wherein pressure switch (90) is to be the aforementioned ON state that is when the flow of fluid, and be the pressure switch of OFF state when static, so if as described above under the situation with water tap unlatchings, owing to the thrust of spring (53) is to be set between atmospheric pressure and flow pressure, so contact reed (62,62 ') conducting.Because water flows, so also conducting of pressure switch (90), this moment, motor promptly connected commentaries on classics (referring to Fig. 5) simultaneously.Close and work as water tap, then because of being full of water in managing, so still be the ON state, pressure switch (90) is the OFF state because of the static hydraulic pressure of sensing, and stops the running of motor (91), and this is the shown state of Fig. 6.In addition, when in the pipeline during lack of water, though pressure switch is the ON state, this moment because of spring (53) thrust greater than atmospheric pressure, so be the OFF state, motor is shut down, then be ON state if the water at place, water source pours into pipeline when interior again this moment.And but repetitiousness carries out above-mentioned action.If but the water non-tap water at place, water source (when being well water, river, wet pit, pond water), be that liquid can't flow in the pipeline automatically, then depress replacement press button (9) and can order about motor and begin to draw water (shown in Fig. 7 arrow), and reply aforesaid state, so reach the purpose of automatic outage.

Pipeline configuration mode of the present utility model, can adopt with Water-pumping motor and dispose with serial fashion, so that the hydraulic pressure at perception Water-pumping motor water outlet place and moving, and this Water-pumping motor is made up of motor, pumping, nitrogen pressure bucket and aforementioned pressure switch, and in the pumping pipeline, be provided with safety check, so that make pressure switch be able to certain action.

For the ease of adjusting spring pressure, as Fig. 8, establish penetration hole on spring bracket (54) top, cover inserts elasticity adjusting lever (55), is inserted in adjustment sheet (56) in the elasticity adjusting lever, and adjustment sheet is positioned at the top of spring (53).

Claims (3)

1. Water-pumping motor lack of water automatic cutout, comprise frame, holder, diaphragm, base, moving bar and fastener, it is characterized in that also being provided with stop rod, fixed base and continuous motion stem group, holder central authorities establish the pipe joint that can be connected with water pipe line, dispose diaphragm and base in regular turn at this pipe joint inner edge, base compresses diaphragm on holder; Have a space in the base inboard, and put a stop rod on diaphragm, base top configuration fixed base; Side at fixed base is offered a penetration hole, and cover is plugged in a follower lever moving up and down in the hole, and below the opposite side of fixed base affixed reed and the conducting plate selected of spiral shell; Above stop rod, establish flange, at the free end of stop rod configuration spring, spring bracket be subjected to the spring pushing and pressing and the briquetting that resets that presses down; The briquetting that resets connects the continuous motion stem group, the continuous motion stem group by the interlock plate, lift up the straight sheet of sheet, reseting leaf and pincers and form, the reseting leaf two ends are connected in the interlock plate and lift up the free end of sheet, and the interlock plate is the center swing with lifting up sheet to clamp straight sheet, clamps straight sheet and is fixed on the fixed base; Frame, fixed base, base and holder are fastening by fastener.

2. Water-pumping motor lack of water automatic cutout as claimed in claim 1 is characterized in that establishing elasticity adjusting device on the spring bracket top.

3. Water-pumping motor lack of water automatic cutout as claimed in claim 2 is characterized in that establishing penetration hole on the spring bracket top, and cover inserts elasticity adjusting lever, is inserted in adjustment sheet in the elasticity adjusting lever, and adjustment sheet is positioned at the top of spring.

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