CN104455674B - Mechanical valve door automatic control device, valve system and water purifier - Google Patents

Abstract

The present invention relates to a kind of mechanical valve door automatic control device, valve system and water purifier, wherein, mechanical valve door automatic control device includes trigger mechanism, machine power output mechanism, mechanical transmission mechanism and driving mechanism for switches, described trigger mechanism is for limiting the power output of described machine power output mechanism, mechanical transmission mechanism described in described machine power output mechanism drive connection, driving mechanism for switches described in described mechanical transmission mechanism drive connection, in use, described driving mechanism for switches drive connection valve；Described trigger mechanism triggers, release the restriction to described machine power output mechanism, described machine power output mechanism output power, impart power to described driving mechanism for switches by described mechanical transmission mechanism, described driving mechanism for switches action, by described valve closing.The present invention is purely mechanic structure, it is not necessary to electricity consumption, controls safe and reliable, it is possible to realizes being automatically switched off of valve, plays protective effect of leaking.

Description

Mechanical valve door automatic control device, valve system and water purifier

Technical field

The present invention relates to engineering machinery field, particularly relate to a kind of mechanical valve and automatically control dress Put, valve system and water purifier.

Background technology

At present, major part water purifier does not leak defencive function, causes many subscriber household properties to damage Lose, the problem such as legal redress and after-sales service, simultaneously and cause a lot of manufacturer to leak because of product Problem perplexs and pays serious economic cost, and some little producer is not because having solvency margin, only Go away, cause the harmful effect to water purifier product market.

The more existing water purifier with the defencive function that leaks all is controlled by circuit, is specially The two bottom sides of water purifier respectively arranges a fritter circuit board, circuit when sensing has water above control panel Conducting i.e. short circuit, i.e. closes entering water electromagnetic valve, cuts off the water supply, to play the effect of protection of leaking, But this control mode also brings along a lot of negative issue, such as: control to lose efficacy (under powering-off state) And the accident defect such as misoperation (imprudence splash water above control panel, cause cutting off the water supply).

Summary of the invention

The purpose of the present invention is to propose to a kind of mechanical valve door automatic control device, valve system and clean Water machine, its can the closedown of autocontrol valve, play protective effect of leaking, it is not necessary to electricity consumption, Safe and reliable.

For achieving the above object, the invention provides a kind of mechanical valve door automatic control device, It includes trigger mechanism, machine power output mechanism, mechanical transmission mechanism and driving mechanism for switches, Described trigger mechanism is for limiting the power output of described machine power output mechanism, described machinery Mechanical transmission mechanism described in power take-off mechanism drive connection, described mechanical transmission mechanism drives even Connect described driving mechanism for switches, in use, described driving mechanism for switches drive connection valve； Described trigger mechanism triggers, and releases the restriction to described machine power output mechanism, described machinery Power take-off mechanism output power, by described mechanical transmission mechanism impart power to described in open Closing drive mechanism, described driving mechanism for switches action, by described valve closing.

One, preferably or in alternative embodiment, described trigger mechanism includes storage tank, rope and gear Bar, described pin is positioned at above described storage tank, and described storage tank connects institute by described rope Stating pin, described pin is overlapped on described machine power output mechanism, limits described machinery and moves The power output of power output mechanism, one end that described storage tank is connected with described rope is upturned, When described storage tank is by Action of Gravity Field, described rope, described rope is pulled to pull described pin One end bottom, the other end of described pin upwarps, release to described machine power output mechanism Restriction.

One preferably or in alternative embodiment, by arranging bullet between described rope and described pin Spring movable device is attached, and can be made one end of described pin by described spring movable device The bottom other end upwarps or resets.

One, preferably or in alternative embodiment, described spring movable device is torsion spring.

One, preferably or in alternative embodiment, being provided above for limiting of described pin is described The gag lever post that pin excessively upwarps.

One, preferably or in alternative embodiment, described trigger mechanism includes storage tank, pull bar and gear Bar, described pin is positioned at above described storage tank, arranges float in described storage tank, and float leads to Crossing described pull bar and connect described pin, described pin is overlapped on described machine power output mechanism, Limiting the power output of described machine power output mechanism, the water in described storage tank reaches certain Buoyancy, the most described pull bar, described pull bar promotes one end of described pin to upwarp, described The other end bottom of pin, releases the restriction to described machine power output mechanism.

One preferably or in alternative embodiment, by arranging bullet between described pull bar and described pin Spring movable device is attached, and can be made one end of described pin by described spring movable device Upwarp the other end bottom or reset.

One, preferably or in alternative embodiment, described spring movable device is torsion spring.

One, preferably or in alternative embodiment, the lower section of described pin is provided with for limiting described The gag lever post of the excessive bottom of pin.

One, preferably or in alternative embodiment, described machine power output mechanism is clockwork spring.

One, preferably or in alternative embodiment, described mechanical transmission mechanism includes several engaging each other Travelling gear, at least one described travelling gear and described clockwork spring drive connection.

One, preferably or in alternative embodiment, described driving mechanism for switches includes gear wheel and bearing, Described gear wheel engages with travelling gear at least one described, and described bearing is located in described canine tooth In wheel, described bearing connects the spool of described valve, and described gear wheel drives described bearing to rotate, And then drive described valve closing.

One, preferably or in alternative embodiment, described driving mechanism for switches also includes turn, institute Stating turn and be set in bottom described bearing, one end of described turn connects the valve of described valve Body, the other end of described turn connects described bearing, and described bearing drives the rotation of described turn Turn, when described turn rotates to extreme position, described valve closing.

One, preferably or in alternative embodiment, described machine power output mechanism, described machinery pass Motivation structure and described driving mechanism for switches are integrally disposed for integral mechanical controlling organization.

For achieving the above object, present invention also offers a kind of valve system, it includes valve, And the mechanical valve door automatic control device in any of the above-described embodiment, described mechanical valve from Valve described in described driving mechanism for switches drive connection in dynamic control device, described switch drive Mechanism action, by described valve closing.

For achieving the above object, present invention also offers a kind of water purifier, it includes any of the above-described Valve system in embodiment.

Based on technique scheme, the present invention at least has the advantages that

The mechanical valve door automatic control device that the present invention provides, it trigger mechanism included, machinery Power take-off mechanism, mechanical transmission mechanism and driving mechanism for switches are purely mechanic structure, it is not necessary to Electricity consumption, controls safe and reliable, it is possible to realizes being automatically switched off of valve, plays protective effect of leaking.

Accompanying drawing explanation

Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the application A part, the schematic description and description of the present invention is used for explaining the present invention, not structure Become inappropriate limitation of the present invention.In the accompanying drawings:

The structured flowchart of the mechanical valve door automatic control device that Fig. 1 provides for the present invention；

Fig. 2 is used in for the first embodiment of the mechanical valve door automatic control device that the present invention provides only Principle schematic on water machine；

Fig. 3 is used in for the second embodiment of the mechanical valve door automatic control device that the present invention provides only Principle schematic on water machine.

In accompanying drawing:

1-trigger mechanism；11-storage tank；12-rope；13-pin；14-spring movable device； 15-gag lever post；16-pull bar；

2-machine power output mechanism；21-clockwork spring；

3-mechanical transmission mechanism；31-travelling gear；

4-driving mechanism for switches；41-gear wheel；42-bearing；

5-valve；6-Mechanical course main body；7-water inlet pipe；8-outlet pipe；9-water purifier water inlet Joint.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiment is carried out clearly Chu, it is fully described by.Obviously, described embodiment is only a part of embodiment of the present invention, Rather than whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art are not having Have and make the every other embodiment obtained under creative work premise, broadly fall into present invention protection Scope.

In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " Deng instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be only for It is easy to describe the present invention and simplifying describe rather than instruction or the device of hint indication or element Must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right The restriction of scope.

When leaking based on water purifier, unprotected function and charged leak stop have many uncontrollable The problem such as defect, the invention provides mechanical valve door automatic control device, solve water purifier leakage The potential safety hazard that water exists.

As it is shown in figure 1, the schematic reality of the mechanical valve door automatic control device provided for the present invention Executing example, in this illustrative examples, mechanical valve door automatic control device may be used for control valve Being automatically switched off of door 5, mechanical valve door automatic control device can include trigger mechanism 1, machinery Power take-off mechanism 2, mechanical transmission mechanism 3 and driving mechanism for switches 4, trigger mechanism 1 is used for The power output of limit mechanical power take-off mechanism 2, machine power output mechanism 2 drive connection Mechanical transmission mechanism 3, mechanical transmission mechanism 3 drive connection driving mechanism for switches 4, in use, Driving mechanism for switches 4 drive connection valve 5；Trigger mechanism 1 is under the effect of gravity or buoyancy Triggering, release the restriction to machine power output mechanism 2, machine power output mechanism 2 exports Power, imparts power to driving mechanism for switches 4, switch drive by mechanical transmission mechanism 3 Mechanism 4 action, closes valve 5.

The mechanical valve door automatic control device that the present invention provides, trigger mechanism 1 that it includes, machine Tool power take-off mechanism 2, mechanical transmission mechanism 3 and driving mechanism for switches 4 are purely mechanic knot Structure, it is not necessary to electricity consumption, controls safe and reliable, it is possible to realizes being automatically switched off of valve 5, has operation Simply, conveniently, dependable performance, it is not necessary to the advantage such as maintenance after sale.Mechanical valve automatically controls dress Put the closedown controlling valve 5, it is possible to substitute the entering water electromagnetic valve of water purifier, pressure-reducing valve, switch valve The devices such as door and intelligent controller.

In above-mentioned illustrative examples, machine power output mechanism 2, mechanical transmission mechanism 3 and Driving mechanism for switches 4 can have compact conformation with integrally disposed integral formula mechanical control mechanism, Take up room little advantage.

As in figure 2 it is shown, the schematic reality of the mechanical valve door automatic control device provided in the present invention Executing in example, trigger mechanism 1 can be triggered by the gravity being subject to, and trigger mechanism 1 can include Storage tank 11, rope 12 and pin 13, pin 13 is arranged on above storage tank 11, pin The middle part of 13 can be provided with support, and storage tank 11 connects the one of pin 13 by rope 12 End, the other end of pin 13 is overlapped on machine power output mechanism 2, and limit mechanical power is defeated Going out the power output of mechanism 2, one end that storage tank 11 is connected with rope 12 is upturned, when Collecting when leaking in storage tank 11, storage tank 11, by Action of Gravity Field, pulls rope 12, Rope 12 pulls one end bottom of pin 13, and the other end of pin 13 upwarps, and releases machinery The restriction of power take-off mechanism 2.

In the illustrative examples of the mechanical valve door automatic control device of present invention offer, rope Can be attached by arranging spring movable device 14 between 12 and pin 13, spring is movable One end of mechanism 14 connects rope 12, and the other end of spring movable device 14 connects pin 13, Rope 12 pulls spring movable device 14 can make one end bottom of pin 13, pin 13 The other end upwarps, when the pulling force on rope 12 disappears or is reduced to certain value, and spring moving machine The structure 14 restoring force by self, it is possible to drive pin 13 to reset.

In above-mentioned illustrative examples, spring movable device 14 can be provided with and be similar to torsion spring Parts.When storage tank 11 water is full, and rope 12 pulls torsion spring to operate, while torsion spring operates, One end bottom of pin 13, the other end is tilted upward, so that machine power output mechanism 2 is broken away from The restriction of pin 13, starts to export power；The power of machine power output mechanism 2 output passes through Mechanical transmission mechanism 3 passes to driving mechanism for switches 4, driving mechanism for switches 4 drive connection valve Door 5, controls valve 5 and closes.

In the illustrative examples of the mechanical valve door automatic control device of present invention offer, pin The top of 13 is also provided with gag lever post 15, is used for limiting pin 13 by gag lever post 15 Excessively upwarp.

As it is shown on figure 3, the schematic reality of the mechanical valve door automatic control device provided in the present invention Executing in example, trigger mechanism 1 can be triggered by the buoyancy being subject to, and trigger mechanism 1 can include Storage tank 11, pull bar 16 and pin 13, pin 13 is arranged on above storage tank 11, pin The middle part of 13 can be provided with support, can be provided with float in storage tank 11, and float connects One end of pull bar 16, the other end of pull bar 16 connects one end of pin 13, pin 13 another One end is overlapped on machine power output mechanism 2, the power of limit mechanical power take-off mechanism 2 Output, after the water of storage tank 11 reaches certain buoyancy, float upwardly pull bar 16, pull bar One end of 16 upwards jack-up pins 13, the other end of pin 13, to having a downwarp, releases and moves machinery The restriction of power output mechanism 2.

In the illustrative examples of the mechanical valve door automatic control device of present invention offer, pull bar Can be attached by arranging spring movable device 14 between 16 and pin 13, spring is movable One end cylinder lever connecting rod 16 of mechanism 14, the other end of spring movable device 14 connects pin 13, Pull bar 16 pushes spring movable device 14 can make one end of pin 13 upwarp, pin 13 The other end has a downwarp, and when the motive force on pull bar 16 disappears or is reduced to certain value, spring is movable The mechanism 14 restoring force by self, it is possible to drive pin 13 to reset.

In above-mentioned illustrative examples, spring movable device 14 can be provided with and be similar to torsion spring Parts.When storage tank 11 water is full, and pull bar 16 upwardly torsion spring operates, in torsion spring operating Meanwhile, one end of pin 13 upwarps, and lever 13 other end is to the bottom, so that machine power is defeated Go out mechanism 2 and break away from the restriction of pin 13, start to export power；Machine power output mechanism 2 is defeated The power gone out passes to driving mechanism for switches 4, driving mechanism for switches 4 by mechanical transmission mechanism 3 Drive connection valve 5, controls valve 5 and closes.

In the illustrative examples of the mechanical valve door automatic control device of present invention offer, pin The lower section of 13 is also provided with gag lever post 15, is used for limiting pin 13 by gag lever post 15 The excessive bottom.

In the illustrative examples of the mechanical valve door automatic control device of present invention offer, machinery Power take-off mechanism 2 can use clockwork spring 21 or other store the parts of elastic potential energy.Machine Tool transmission mechanism 3 can include several intermeshing travelling gear 31, or chain passes Motivation structure, the Purely mechanical drive mechanism that rod member transmission mechanism etc. is similar to.Driving mechanism for switches 4 Gear wheel 41 and bearing 42 can be included.The power of machine power output mechanism 2 output passes through Mechanical transmission mechanism 3 passes to gear wheel 41.

When machine power output mechanism 2 uses clockwork spring 21, mechanical transmission mechanism 3 to include several phase The travelling gear 31 of engagement mutually, when driving mechanism for switches 4 includes gear wheel 41 and bearing 42, Clockwork spring 21 at least with travelling gear 31 drive connection, several travelling gears 31 engage each other Transmission, gear wheel 41 engages with at least one travelling gear 31, and bearing 42 is located in gear wheel In 41, the spool of bearing 42 connecting valve 5, gear wheel 41 band dynamic bearing 42 rotates, and enters And drive valve 5 to close.

In the illustrative examples of the mechanical valve door automatic control device of present invention offer, switch Drive mechanism 4 can also include turn, and turn is set in bottom bearing 42, turn The valve body of one end connecting valve 5, the other end of turn connects bearing 42, and bearing 42 drives Turn rotates, and when turn rotates to extreme position, valve 5 is closed.For example, it is possible to by bullet The rotation dynamics of spring coil controls when 90-degree rotation, is just to close water valve state, and dynamics is just Controlling valve 5 to stop the rotation, if not being controlled by turn, bearing 42 then can 360 degree of rotations Turn.

In above-mentioned illustrative examples, valve 5 includes valve body and spool, and spool is positioned at valve body. Spool is rounded bulbous, and hole is opened in centre, is connected with bearing 42.Clockwork spring 21, several driving cog Wheel 31 and gear wheel 41 can combine and form the structure being similar to mechanical timer, and clockwork spring 21 provides Power promote spool, to reach valve by several travelling gears 31, gear wheel 41, bearing 42 The purpose of door 5 Guan Bi.

Further, valve body, spool, bearing 42 and above-mentioned mechanical timer construction can collect Become to be arranged in a control housing.Pin 13, spring movable device 14 and gag lever post 15 are also provided with In this control housing, form Mechanical course main body 6.The mechanical valve that the present invention provides is automatic Control device, the driving principle of employing mechanical timer, gear phase interconnected rod effect during motion (the After one gear starts to operate clockwise, thus following gear is driven to operate one by one), to promote Bearing 42 rotates, and spool rotates with bearing 42, reaches the purpose of autocontrol valve 5 Guan Bi, Having simple in construction, service life is long, low cost of manufacture, and reliability is high, it is not necessary to the advantages such as electricity consumption. Can in being integrated with the control housing of valve body, spool, bearing 42 and above-mentioned mechanical timer construction Using as one entirely through fast-connecting type joint, be directly mounted at the water inlet of water purifier.

Use the control principle of mechanical timer construction, when producing gravity or buoyancy due to misoperation Time, pin 13 can release the restriction to clockwork spring 21, but the transmission of gear has time delay, valve Door 5 slowly begins to shut off, when misoperation disappears, and gravity or buoyancy in storage tank 11 are not enough to draw When dynamic pin 13 tilts or push pin 13 bottom, pin 13 falls or upwarps again to clockwork spring 21 Limiting, valve 5 is still within open mode, thus it is possible to avoid in prior art automatically controlled The accident defects such as earth leakage protective misoperation.

In above-mentioned illustrative examples, mechanical valve door automatic control device can side manually Formula resets, and is specially and is cleaned out by the water of storage tank 11, more manually rotates (counterclockwise) Bearing 42, makes the blockage of the protrusion pre-set on gear wheel 41 to initial position, namely makes The turn of compression is discharged into nature.

The mechanical valve door automatic control device that the present invention provides can be applied has dissimilar valve On the valve system of door 5.

In the illustrative examples of the valve system of present invention offer, valve system includes valve 5 With the mechanical valve door automatic control device in any of the above-described embodiment.

The valve system that the present invention provides and traditional valve differ primarily in that employing mechanical type timing Device mechanism substitutes traditional valve handle, is combined into mechanical valve door automatic control device.

The valve system that the present invention provides can be applied on water purifier or other supply equipments.

In the illustrative examples of the water purifier of present invention offer, water purifier includes any of the above-described reality Execute the valve system in example.

As shown in Figure 2 and Figure 3, a specific embodiment of water purifier is set forth below, at this water purification In the specific embodiment of machine, water purifier water inlet connection 9 one end connects water inlet pipe 7, and the other end is even Connected water outlet pipe 8, outlet pipe 8 connects filter core at different levels.Running water is entered by water inlet pipe 7, water purifier Water outlet connector 9, outlet pipe 8 enter filter core at different levels and filter.At water purifier water inlet connection 9 Being provided with the Mechanical course main body 6 including valve 5, the mechanical valve that the present invention provides is controlled automatically Device processed is for controlling the closedown of the valve 5 at water purifier water inlet connection 9.

As shown in Figure 2 and Figure 3, the storage tank 11 in mechanical valve door automatic control device is installed In the bottom of water purifier, rope 12 or pull bar 16 connect one end of pin 13, pin 13 another One end is used for pinning clockwork spring 21, and clockwork spring 21 connects at least one in several travelling gear 31, passes Moving gear 31 engages each other transmission, final engagement one gear wheel 41, is provided with in the middle of gear wheel 41 Bearing 42, bearing 42 lower end is cased with turn, bearing 42 connecting valve 5, the rotation of bearing 42 Can be pind down by turn, such as, bearing 42 rotational band spring coil of moving rotates simultaneously, but turn When rotating to a certain degree, when i.e. arriving the limit, when namely control valve 5 is closed.

The automatic control process of the water purifier with mechanical valve door automatic control device is as follows:

When the interfaces such as water purifier pipeline have leakage, water can be dropped in storage tank 11.

When the water yield of storage tank 11 reaches constant weight or reaches certain buoyancy, by rope 12 Pull downward on spring movable device 14 or by pull bar 16 upwards jack-up spring movable device 14, this Time, tilting upward or swung downward in one end that pin 13 contacts with clockwork spring 21, releases clockwork spring 21 Limiting, now clockwork spring 21 exports power, drives several travelling gear 31 to engage each other, and drives big Gear 41 rotates, to promote bearing 42 to rotate, when bearing 42 turns to 90 degree, with bearing The hot strength of the turn coordinated bottom 42 just reaches to stop the dynamics that gear runs, now valve Core is closed, and cuts off feed source；Water purifier with electric control i.e. occurs that excessive low water level protection is reminded, and does not has Excessive low water level protection function or uncharged water purifier then can not water processed, finally, water purifier enters maintenance State.

The valve reset process of the water purifier with mechanical valve door automatic control device is as follows:

First the water of storage tank 11 is cleaned out, more manually rotates (counterclockwise) bearing 42, Make 4 blockages that gear wheel 41 protrudes above to initial position, the "ON" that gear wheel 41 is arranged Protruding point on word alignment pin 13, mainly manually makes the turn of compression be discharged into nature State, valve 5 i.e. resets original state.

In sum, the mechanical valve door automatic control device that the present invention provides, solve and do not leak The water purifier seepy question of water conservation function；The control of the leak stop solving band electric control is lost Many failure problems such as effect and misoperation；Solve and control the fault such as aging, corrosion of components and parts and ask Topic；The problems such as potential safety hazard, economic compensation and the after-sales service cost that solving leaks exists.

Finally should be noted that: above example only in order to technical scheme to be described and Non-to its restriction；Although the present invention being described in detail with reference to preferred embodiment, affiliated The those of ordinary skill in field is it is understood that still can enter the detailed description of the invention of the present invention Row is revised or portion of techniques feature is carried out equivalent；Without deviating from technical solution of the present invention Spirit, it all should be contained in the middle of the technical scheme scope that the present invention is claimed.

Claims (15)

1. a mechanical valve door automatic control device, it is characterised in that: include trigger mechanism (1), Machine power output mechanism (2), mechanical transmission mechanism (3) and driving mechanism for switches (4), Described trigger mechanism (1) is used for limiting the power output of described machine power output mechanism (2), Mechanical transmission mechanism (3) described in described machine power output mechanism (2) drive connection, described Driving mechanism for switches (4) described in mechanical transmission mechanism (3) drive connection, in use, institute State driving mechanism for switches (4) drive connection valve (5)；Described trigger mechanism (1) triggers, Release the restriction to described machine power output mechanism (2), described machine power output mechanism (2) Output power, imparts power to described switch drive machine by described mechanical transmission mechanism (3) Structure (4), described driving mechanism for switches (4) action, described valve (5) is closed；

Described trigger mechanism (1) includes storage tank (11), rope (12) and pin (13), Described pin (13) is positioned at described storage tank (11) top, and described storage tank (11) passes through Described rope (12) connects described pin (13), and described pin (13) is overlapped on described machine On tool power take-off mechanism (2), the power limiting described machine power output mechanism (2) is defeated Going out, one end that described storage tank (11) is connected with described rope (12) is upturned, and works as institute State storage tank (11) by Action of Gravity Field, pull described rope (12), described rope (12) Pull one end bottom of described pin (13), the other end of described pin (13) to upwarp, solve Except the restriction to described machine power output mechanism (2).

2. mechanical valve door automatic control device as claimed in claim 1, it is characterised in that: By arranging spring movable device (14) between described rope (12) and described pin (13) It is attached, the one of described pin (13) can be made by described spring movable device (14) The end bottom other end upwarps or resets.

3. mechanical valve door automatic control device as claimed in claim 2, it is characterised in that: Described spring movable device (14) is torsion spring.

4. mechanical valve door automatic control device as claimed in claim 1, it is characterised in that: Being provided above for limiting the limit that described pin (13) excessively upwarps of described pin (13) Position bar (15).

5. a mechanical valve door automatic control device, it is characterised in that: include trigger mechanism (1), Machine power output mechanism (2), mechanical transmission mechanism (3) and driving mechanism for switches (4), Described trigger mechanism (1) is used for limiting the power output of described machine power output mechanism (2), Mechanical transmission mechanism (3) described in described machine power output mechanism (2) drive connection, described Driving mechanism for switches (4) described in mechanical transmission mechanism (3) drive connection, in use, institute State driving mechanism for switches (4) drive connection valve (5)；Described trigger mechanism (1) triggers, Release the restriction to described machine power output mechanism (2), described machine power output mechanism (2) Output power, imparts power to described switch drive machine by described mechanical transmission mechanism (3) Structure (4), described driving mechanism for switches (4) action, described valve (5) is closed；

Described trigger mechanism (1) includes storage tank (11), pull bar (16) and pin (13), Described pin (13) is positioned at described storage tank (11) top, and described storage tank sets in (11) Putting float, float connects described pin (13), described pin (13) by described pull bar (16) It is overlapped on described machine power output mechanism (2), limits described machine power output mechanism (2) Power output, the water in described storage tank (11) reaches certain buoyancy, upwardly described Pull bar (16), described pull bar (16) promotes one end of described pin (13) to upwarp, described The other end bottom of pin (13), releases the restriction to described machine power output mechanism (2).

6. mechanical valve door automatic control device as claimed in claim 5, it is characterised in that: By arranging spring movable device (14) between described pull bar (16) and described pin (13) It is attached, the one of described pin (13) can be made by described spring movable device (14) End upwarps the other end bottom or reset.

7. mechanical valve door automatic control device as claimed in claim 6, it is characterised in that: Described spring movable device (14) is torsion spring.

8. mechanical valve door automatic control device as claimed in claim 5, it is characterised in that: The lower section of described pin (13) is provided with the limit for limiting described pin (13) the excessively bottom Position bar (15).

9. the mechanical valve door automatic control device as described in any one of claim 1-8, it is special Levy and be: described machine power output mechanism (2) is clockwork spring (21).

10. mechanical valve door automatic control device as claimed in claim 9, it is characterised in that: Described mechanical transmission mechanism (3) includes several intermeshing travelling gear (31), at least one Individual described travelling gear (31) and described clockwork spring (21) drive connection.

11. mechanical valve door automatic control devices as claimed in claim 10, it is characterised in that: Described driving mechanism for switches (4) includes gear wheel (41) and bearing (42), described gear wheel (41) engaging with travelling gear at least one described (31), described bearing (42) is located in In described gear wheel (41), described bearing (42) connects the spool of described valve (5), institute Stating gear wheel (41) drives described bearing (42) to rotate, and then drives described valve (5) to close Close.

12. mechanical valve door automatic control devices as claimed in claim 11, it is characterised in that: Described driving mechanism for switches (4) also includes that turn, described turn are set in described bearing (42) Bottom, one end of described turn connects the valve body of described valve (5), described turn another One end connects described bearing (42), and described bearing (42) drives described turn to rotate, Under the state that described turn rotates to extreme position, described valve (5) is closed.

The 13. mechanical valve door automatic control devices as described in claim 1 or 5, its feature It is: described machine power output mechanism (2), described mechanical transmission mechanism (3) and described Driving mechanism for switches (4) is integrally disposed for integral mechanical controlling organization.

14. 1 kinds of valve systems, it is characterised in that: include valve (5), and as right is wanted Seeking the mechanical valve door automatic control device described in any one of 1-13, described mechanical valve is controlled automatically Valve (5) described in described driving mechanism for switches (4) drive connection in device processed, described in open Close drive mechanism (4) action, described valve (5) is closed.

15. 1 kinds of water purifiers, it is characterised in that: include valve system as claimed in claim 14.