CN208000840U - A kind of control mechanism and air purifier - Google Patents

Abstract

A kind of control mechanism of the utility model offer and air purifier, are related to electrical equipment control field.A kind of control mechanism, the acting characteristic for adjusting microswitch.Including:Mounting bracket.Wraping plate, wraping plate are rotatablely connected by rotation axis and mounting bracket.Wraping plate includes opposite first end and second end.First end is more than second end at a distance from rotation axis at a distance from rotation axis.The both ends of elastic component, elastic component are contacted with mounting bracket, wraping plate respectively, and elastic component is in compressive state.Second end changes at a distance from microswitch with the change of elastic component compression distance, so that microswitch disconnects or conducting.The actuating length of microswitch is amplified by the leverage of wraping plate, the adjustable range of microswitch is made to increase, the control for microswitch of being more convenient for meets user's difference demand for control.The utility model also provides a kind of air purifier, and the adjusting using control mechanism to clarifier inside microswitch makes the more convenient to use of air purifier.

Description

A kind of control mechanism and air purifier

Technical field

The utility model is related to electrical equipment control fields, in particular to a kind of control mechanism and air purifier.

Background technology

Microswitch is widely used in the industrial circles such as household electrical appliance, electronic equipment, instrument and meter, because of its cheap valence Lattice and reliable performance still have irreplaceability at present.Microswitch fast implements electricity by small contact and snap-action mechanism The break-make on road is to realize key components automatically control and detection.Because its switch contact spacing it is smaller, so by It is still very sensitive under the action of to the power of very little, it is called sensitive switch.Caused by microswitch feature itself, applied field Existing larger limitation.

Utility model content

The purpose of this utility model is to provide a kind of control mechanisms, can adjust the acting characteristic of microswitch, make Microswitch is more convenient for controlling, and is conducive to the application range for expanding microswitch.

The another object of the utility model is to provide a kind of air purifier, can more accurately detect filter screen Whether install, air purifier is enable preferably to be protected, use is also more convenient.

The another object of the utility model is to provide another air purifier, can preferably avoid ozone super Mark, provides the air of high quality to the user.

What the embodiments of the present invention were realized in:

A kind of control mechanism, the acting characteristic for adjusting microswitch, including:

Mounting bracket.

Wraping plate, wraping plate are rotatablely connected by rotation axis and mounting bracket.Wraping plate includes opposite first end and second end.The One end is more than second end at a distance from rotation axis at a distance from rotation axis.

The both ends of elastic component, elastic component are contacted with mounting bracket, wraping plate respectively, and elastic component is in compressive state.Second end Change with the change of elastic component compression distance at a distance from microswitch, so that microswitch disconnects or conducting.

In a kind of embodiment of the utility model, fixation kit is arranged in mounting bracket.Fixation kit is limited for accommodating The card slot of microswitch.

In a kind of embodiment of the utility model, fixation kit includes the first buckle, the second buckle and third buckle. First buckle, the second buckle, third buckle are for preventing microswitch from falling off naturally from card slot.

In a kind of embodiment of the utility model, flexible first hook portion is arranged in the free end of the first buckle.The Flexible second hook portion is arranged in the free end of two buckles.Flexible third hook portion is arranged in the free end of third buckle. First hook portion, the second hook portion and third hook portion are used to prevent microswitch from falling off naturally from card slot.

In a kind of embodiment of the utility model, wraping plate includes retainer.Retainer be located at first end and rotation axis it Between.When retainer and mounting bracket contact, it can prevent first end from continuing the side far from retainer in mounting bracket and carry out Rotation.

In a kind of embodiment of the utility model, first end is D1 at a distance from rotation axis, second end and rotation axis Distance is D2, D1:D2=7.5-8.5.

In a kind of embodiment of the utility model, second end includes arc sections.It is micro- when arc sections are contacted with microswitch Dynamic switch conduction, when arc sections leave microswitch, microswitch disconnects.

In a kind of embodiment of the utility model, second end includes inclined plane part.It is micro- when inclined plane part is contacted with microswitch Dynamic switch conduction, when inclined plane part leaves microswitch, microswitch disconnects.

A kind of air purifier, including filter screen, microswitch and above-mentioned control mechanism.Microswitch and mounting bracket It is connected.Filter screen is installed on mounting bracket.In filter screen installation process first end can rotate to close to the direction of mounting bracket, So that microswitch reaches conducting state.Air purifier could be connected and optionally work after microswitch conducting.

A kind of air purifier, including catalysis net, microswitch and above-mentioned control mechanism.Catalysis net is for urging ozone Change is reduced to oxygen.Microswitch is connected with mounting bracket.Catalysis net is installed on mounting bracket.It can make in catalysis net installation process First end is rotated to close to the direction of mounting bracket, so that microswitch reaches conducting state.Air is net after microswitch conducting Changing device could be connected and optionally work.

The utility model embodiment at least has the following advantages that or advantageous effect:

The utility model embodiment provides a kind of control mechanism, is primarily useful for adjusting the acting characteristic of microswitch, with The adjustability for improving microswitch, keeps the use scope of microswitch wider.Control mechanism mainly include mounting bracket, wraping plate with And elastic component.Wraping plate is rotatablely connected by rotation axis and mounting bracket.Wraping plate includes opposite first end and second end.First end With at a distance from rotation axis be more than second end at a distance from rotation axis.The combination of rotation axis, wraping plate and mounting bracket so that wraping plate It can work as lever, it is different at a distance from rotation axis using wraping plate both ends, amplify the adjustable range of microswitch, So that the operable range of adjusting microswitch is increased, is more advantageous to the control of microswitch.The both ends of elastic component respectively with installation Holder, wraping plate contact, elastic component are in compressive state.Second end changing with elastic component compression distance at a distance from microswitch Become and change, so that microswitch disconnects or conducting.When applying external force to first end, elastic component is gradually further compressed, So that second end is gradually reduced at a distance from microswitch, and makes microswitch gradually be compressed, finally fine motion is made to open Close conducting;After cancelling the external force of first end, elastic component makes second end leave microswitch by own resilient, to make fine motion Switch disconnects.The effective travel of microswitch itself is smaller so that microswitch is not easy to control, and the utility model passes through wraping plate Leverage the actuating length of microswitch is amplified, so that the adjustable range of microswitch is increased, fine motion of being more convenient for is opened The control of pass.

The utility model embodiment also provides a kind of air purifier, micro- to clarifier inside using above-mentioned control mechanism The adjusting of dynamic switch, enables filter screen and/or catalysis net in air purifier more accurately to be detected whether to install, makes Obtain more convenient to use, the safety of air purifier.

Description of the drawings

It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the structural schematic diagram for the control mechanism that the utility model embodiment 1 provides;

Fig. 2 is the control mechanism and the relative position of microswitch in the first state that the utility model embodiment 1 provides Relation schematic diagram;

Fig. 3 be the utility model embodiment 1 provide when there is external force F to be applied near first end, first end start by The status diagram that the initial position of Fig. 1 gradually moves right;

Fig. 4 is the control mechanism and the relative position of microswitch in the second condition that the utility model embodiment 1 provides Relation schematic diagram;

Fig. 5 is the structural schematic diagram when fixation kit that the utility model embodiment 1 provides is detached with microswitch;

Fig. 6 is the enlarged diagram at the positions VI in Fig. 5;

Fig. 7 is the structural schematic diagram when fixation kit that the utility model embodiment 1 provides is connect with microswitch;

Fig. 8 is the attachment structure schematic diagram of filter screen and control mechanism that the utility model embodiment 2 provides.

Icon:100- control mechanisms;110- mounting brackets;112- rotation axis;130- wraping plates;132- first ends;134- Two ends;136- arc sections;The pre- spleniums of 138-;140- retainers;150- elastic components;170- fixation kits;172- card slots;174- One buckle;176- second is buckled;178- thirds buckle;The first hook portions of 180-;The second hook portions of 182-;184- third hook portions;200- Microswitch;202- buttons;300- filter screens.

Specific implementation mode

It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all Belong to the range of the utility model protection.

It should be noted that:Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.

In the description of the utility model embodiment, it should be noted that if there is term "upper", "lower", "left", "right" The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings or the utility model product uses When the orientation or positional relationship usually put, be merely for convenience of describing the present invention and simplifying the description, rather than indicate or It implies that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as Limitations of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and should not be understood as Instruction implies relative importance.

In the description of the utility model embodiment, it is also necessary to which explanation is unless specifically defined or limited otherwise, if Appearance term " setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, can also be It is detachably connected, or is integrally connected;It can be mechanical connection, can also be electrical connection;It can be directly connected, can also lead to It crosses intermediary to be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be with Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

Embodiment 1

Fig. 1 is please referred to, Fig. 1 show the structural schematic diagram of control mechanism 100.The present embodiment provides a kind of control mechanisms 100, it is mainly used for adjusting the acting characteristic of traditional microswitch, keeps the control of traditional microswitch more convenient, increases and pass The application range of system microswitch.

The relative position relation with microswitch 200 in use of control mechanism 100 for ease of description, please refers to figure 2, Fig. 2 show control mechanism 100 and the relative position relation schematic diagram of microswitch 200 in the first state.

Control mechanism 100 includes mainly mounting bracket 110, wraping plate 130 and elastic component 150.Wraping plate 130 passes through rotation Axis 112 is rotatablely connected with mounting bracket 110.It is fulcrum with rotation axis 112, using lever principle, fine motion is opened using wraping plate 130 The actuating length of pass 200 is amplified, and the conducting of microswitch 200 and disconnection is made to be easier to control.

The both ends of elastic component 150 are contacted with mounting bracket 110, wraping plate 130 respectively, mounting bracket 110 and wraping plate 130 it Between the confined space so that elastic component 150 is in compressive state.State shown in Fig. 2, can be used as in the present embodiment control mechanism 100 with The original state of microswitch 200, under the state, wraping plate 130 is not driven by other external force, is only made in the elastic force of elastic component 150 Make button 202 of the wraping plate 130 far from microswitch 200 under, microswitch 200 is made to be off.The present embodiment is hit by a bullet Property part 150 be spring, the preferable materials of other elasticity can also be selected to replace spring, such as rubber in other embodiment.In order to Preferably fixed elastic component 150, the present embodiment connect at the both ends of elastic component 150 with mounting bracket 110, wraping plate 130 respectively It connects and (fixes or be detachably connected), elastic component 150 is avoided to be slid in telescopic process.Certainly, in other embodiment, also may be used Simply elastic component 150 to be placed directly between mounting bracket 110 and wraping plate 130.

Wraping plate 130 includes opposite first end 132 and second end 134.First end 132 is more than at a distance from rotation axis 112 For second end 134 at a distance from rotation axis 112, above-mentioned two distance refers both to the distance along 130 length direction of wraping plate.Second end 134 Close to microswitch 200, second end 134 changes at a distance from microswitch 200 with the change of 150 compression distance of elastic component Become, so that microswitch 200 disconnects or conducting.According to lever principle it is found that first end 132 move under external force it is larger Apart from when, second end 134 only needs mobile smaller distance, presses distance to achieve the effect that amplify microswitch 200, makes micro- Dynamic switch 200 is more easy to control.Power is generally directly acted on the button of microswitch 200 by microswitch 200 in tradition is applied On 202, and the effective travel (i.e. effectively pressing distance) shorter (such as 0.5-1 millimeters etc.) of button 202, forced area also compared with It is small, button 202 can not be accurately pressed under many application scenarios, to limit the use scope of microswitch 200.This practicality In new embodiment, using the amplification of wraping plate 130, power need to only be acted on the either first end 132 of first end 132 with Any position between rotation axis 112, you can rotation second end 134 makes microswitch to complete the pressing to button 202 200 are more easily controlled.

Further, first end 132 is D1 at a distance from rotation axis 112, and second end 134 is at a distance from rotation axis 112 D2, D1:D2=7.5-8.5.The present embodiment D1:D2≈8.In the present embodiment, the effective travel of microswitch 200 is 0.8 millimeter, After the amplification of wraping plate 130, its effective travel can be improved to about 18 millimeters.That is, when first end 132 by from a left side to When the power of right (referring to the left and right in Fig. 2), first end 132 move right 18 millimeters when, button 202 presses 0.8 millimeter effective Stroke, within the scope of the pressing, microswitch 200 is connected.In general, it is equipped with idle running in microswitch 200, presses in idle running In range, microswitch 200 is off-state;Idle running enters effective travel after pressing, fine motion in the pressing of effective travel Switch 200 is in the conduction state.

In other embodiment, it can also be required according to specific control, the amplification effect of wraping plate 130 is adjusted.Example Such as, the angle of the ratio of adjustment D1 and D2, wraping plate 130 and mounting bracket 110, between first end 132 and the starting of mounting bracket 110 Every height etc..

Second end 134 may further include arc sections 136.In the present embodiment, arc sections 136 are mainly used in wraping plate Button 202 is squeezed or is unloaded under 130 rotation the extruding to button 202.It is micro- when arc sections 136 are contacted with button 202 Dynamic switch 200 is connected, and when arc sections 136 leave button 202, microswitch 200 disconnects.Thus, it can be understood that working as circular arc When portion 136 presses button 202, button 202 comes into the effective travel in microswitch 200.Therefore, in circular arc The adjacent position in portion 136 is additionally provided with pre- splenium 138, and pre- splenium 138 is continuous setting with arc sections 136.It needs that fine motion is connected When switch 200, pre- splenium 138 presses button 202, and button 202 moves in the idle running in microswitch 200, when pre- After splenium 138 leaves button 202, idle running walking finishes, and the continuation of arc sections 136 is contacted with button 202, and so that button 202 is entered has It imitates in stroke, to make microswitch 200 be connected.

The edge of arc sections 136 is the circular arc line for the center of circle with rotation axis 112, which can be such that button 202 presses Distance obtains more precise control.The setting of circular arc line can make 202 stress of button gentler, avoid microswitch 200 because Stress is unstable to cause reduced service life.Certainly, in other embodiment, arc sections 136 can also be replaced with other shapes, only It wants to ensure that button 202 is continuously pressed, such as continuous waveform.In other embodiment, if microswitch 200 effective travel itself is larger, such as 1 millimeter, the actuating length of microswitch 200 need not also be put to it is very big when, can To simplify arc sections 136, directly replaced with inclined plane part (not shown).When inclined plane part is contacted with button 202, microswitch 200 conductings, when inclined plane part leaves button 202, microswitch 200 disconnects.The edge of inclined plane part is inclined straight line.

Retainer 140 is additionally provided on wraping plate 130.Retainer 140 is between first end 132 and rotation axis 112.

Fig. 3 is please referred to, Fig. 3 is shown when there is external force F to be applied near first end 132, and first end 132 starts by Fig. 1 The status diagram that gradually moves right of initial position.External force F is shown referring again to Fig. 4, Fig. 4 to continue to press first end Near 132, until schematic diagram of the edge of wraping plate 130 with mounting bracket 110 when substantially flush, i.e. position shown in Fig. 4.Fig. 4 institutes Show under position, button 202 cannot be observed in Fig. 4, and button 202 is pressed completely at this time, effective row of microswitch 200 Journey walking finishes, and microswitch 200 is in the conduction state.(it is regarded as control mechanism 100 and fine motion under state shown in Fig. 4 Second state of switch 200), if after the external force F near first end 132 is cancelled, elastic component 150 will utilize elastic force make first The direction (i.e. to the left) of end 132 to close mounting bracket 110 is mobile, until returning back to state shown in FIG. 1.State shown in Fig. 1 Under, retainer 140 is contacted with mounting bracket 110, and the first end 132 that retainer 140 can prevent continues remote in mounting bracket 110 Side from retainer 140 is rotated.Retainer 140 can make elastic component 150 be maintained at compressive state, make second end 134 It is positively maintained with the initial position (position shown in Fig. 1) of button 202, to ensure 202 subsequent actuating length of button.

Fig. 5 is please referred to, Fig. 5 show structural schematic diagram when fixation kit 170 is detached with microswitch 200.In order to more Fixed microswitch 200 well, control mechanism 100 further includes fixation kit 170.Fixation kit 170 is installed on mounting bracket 110 On.

Fig. 6 is please referred to, Fig. 6 show the enlarged diagram at the positions VI in Fig. 5.It is equipped in fixation kit 170 for accommodating The card slot 172 of microswitch 200.

Further, fixation kit 170 includes first the 174, second buckle 176 of buckle and third buckle 178.First card The 174, second buckle 176 of button, third buckle 178 limit card slot 172 jointly, to prevent microswitch 200 natural from card slot 172 It falls off.After microswitch 200 is caught in card slot 172, microswitch 200 can be pulled out by manual operation, but in control mechanism During 100 movements, adjustment, if not limited to microswitch 200, microswitch 200 is easily under self gravitation effect It falls off naturally from card slot 172.The setting of first buckle the 174, second buckle 176 and third buckle 178, you can this to prevent Naturally the case where falling off.

In order to be more easily attached to microswitch 200 and fixation kit 170, while ensureing that fixation kit 170 is right The limit of microswitch 200 acts on, and flexible first hook portion 180 is arranged in the free end of the first buckle 174.Second buckle Flexible second hook portion 182 is arranged in 176 free end.Flexible third hook is arranged in the free end of third buckle 178 Portion 184.As shown in fig. 6, three hook portions are bent into card slot 172, while there is three hook portions elasticity, the setting to facilitate fine motion Switch 200 is caught in.After microswitch 200 is caught in card slot 172, three hook portions restore shape, to the formation of microswitch 200 Restriction effect prevents it from falling off naturally from card slot 172.Fig. 7 is please referred to, Fig. 7 show fixation kit 170 and microswitch Structural schematic diagram when 200 connection.

The operation principle of control mechanism 100 is:

The utility model embodiment provides a kind of control mechanism 100, and the action for being mainly used for adjusting microswitch 200 is special Property, to improve the application range of microswitch 200.When external force F is applied near first end 132, first end 132 start by The initial position of Fig. 1 starts gradually to move right.External force F continue press first end 132 near, until wraping plate 130 edge with Mounting bracket 110 is substantially flush, reaches state shown in Fig. 4.Under position shown in Fig. 4, button 202 is pressed completely, and fine motion is opened The effective travel walking of pass 200 finishes, and microswitch 200 is in the conduction state.If the external force F revocations near first end 132 Afterwards, elastic component 150 will keep first end 132 mobile to the direction (i.e. to the left) of close mounting bracket 110 using elastic force, until returning Extremely state shown in FIG. 1 is answered, microswitch 200 restores off-state again at this time.

Microswitch 200 generally directly acts on power on the button 202 of microswitch 200 in tradition is applied, and presses The effective travel (i.e. effectively pressing distance) shorter (such as 0.5-1 millimeters etc.) of button 202, forced area is also smaller, many to apply Button 202 can not be accurately pressed under occasion, to limit the use scope of microswitch 200.Under certain occasions, fine motion is opened Closing 200, excessively sensitively disconnection and closure cause to perplex to user instead.In the utility model embodiment, wraping plate 130 is utilized Power need to only be acted on any position of the first end 132 either between first end 132 and rotation axis 112, i.e., by amplification Rotatable second end 134, to complete the pressing to button 202, the effective travel of microswitch 200 is amplified, and fine motion is made Switch 200 is more easily controlled, while also disclosure satisfy that the use demand of more users.

Embodiment 2

Fig. 8 is please referred to, Fig. 8 show the attachment structure schematic diagram of filter screen 300 and control mechanism 100.

The present embodiment provides a kind of air purifiers, include mainly filter screen 300, microswitch 200 and control machine Structure 100.As shown in figure 8, filter screen 300 is installed in mounting bracket 110, and presses wraping plate 130, make first end 132 It rotates gradually downward, after filter screen 300 installs, the position of wraping plate 130 reaches state shown in Fig. 8.It is micro- under the state Dynamic switch 200 is in the conduction state.Air purifier could be connected and optionally work after microswitch 200 is connected.It removes After filter screen 300, the state shown in Fig. 2 that control mechanism 100 will return back in embodiment 1 makes microswitch 200 disconnect, User is avoided to start air purifier.

Air purifier using filtering network technology is that motor drives flabellum driving air to flow through high efficiency particulate air, to air In contaminant particle be filtered and intercept, to achieve the purpose that air purification.If air purifier was not put into Strainer 300, air purifier windage substantially reduce, and motor load " driving " occurs less than predetermined load, and motor temperature is made to increase And shut down, or burn out.In consideration of it, in product circuit design, closed loop is formed between the control and the windage of filter screen 300 of motor Control system, if detected, air purifier is not put into strainer or strainer installation is not in place, and clarifier will not start.

Filter screen 300 is usually to do frame bonding with paper after being folded using the melt-blown soft materials such as cotton or glass fabric Get up.Because of the scale error of product, the bending of the fold of trimming frame, trimming frame, it is difficult to make filter screen 300 during the installation process Directly precisely touch the button 202 (please referring to Fig. 2) of microswitch 200.Filter screen 300 is caused to install, but conventional air Clarifier can't detect, the problem of still cannot be started up.Air purifier provided in this embodiment can accurately detect filter screen Whether 300 installed, and still cannot be started up after solving the problems, such as user installation filter screen 300.

Embodiment 3

The present embodiment provides a kind of air purifiers, including catalysis net, microswitch 200 and control mechanism 100.Catalysis The connection type of net and control mechanism 100 is referred to the connection type of filter screen 300 and control mechanism 100 in embodiment 2.

Catalysis net is used to ozone catalytic being reduced to oxygen.Microswitch 200 is connected with mounting bracket 110.Catalysis net is pacified Loaded on mounting bracket 110.In catalysis net installation process first end 132 can rotate to close to the direction of mounting bracket 110, so that Microswitch 200 reaches conducting state.Air purifier could be connected and optionally work after microswitch 200 is connected.

Using electrostatic precipitation as the air purifier of technical background, technical principle, which generally comprises release high-voltage air ionizing, to be made This process of charge on air band, but high-voltage air ionizing will produce ozone simultaneously, to make indoor ozone concentration reach national peace Full standard, industry is interior by placing efficient catalytic net in clarifier air outlet, and ozone catalytic is reduced into oxygen and is discharged again. If consumer is not loaded into efficient catalytic net and air purifier is opened work, there can be the hidden of indoor ozone concentration over-standard Suffer from.In consideration of it, the pressure of efficient catalytic net can be fixed in machine by the air purifier of electrostatic precipitation technology in product design Portion eliminates this hidden danger.But will produce simultaneously efficient catalytic net because dust stratification, aging, can not replace, can not clean due to fail Problem.Air purifier provided in this embodiment, due to can accurately detect whether catalysis net is installed, and according to catalysis net Installation situation determine air purifier whether can successfully start up, therefore, can by catalysis net and air purifier progress can Dismantling connection, replacement, cleaning convenient for user, advantageously ensures that the safety of air after purification.

The preferred embodiment that these are only the utility model, is not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of control mechanism, the acting characteristic for adjusting microswitch, which is characterized in that including:

Mounting bracket;

Wraping plate, the wraping plate are rotatablely connected by rotation axis and the mounting bracket, the wraping plate include opposite first end and Second end, the first end are more than the second end at a distance from the rotation axis at a distance from the rotation axis;

The both ends of elastic component, the elastic component are contacted with the mounting bracket, the wraping plate respectively, and the elastic component is in compression State, the second end changes at a distance from the microswitch with the change of the elastic component compression distance, so that institute Microswitch is stated to disconnect or be connected.

2. control mechanism according to claim 1, which is characterized in that fixation kit is arranged in the mounting bracket, described solid Determine card slot of the component restriction for accommodating the microswitch.

3. control mechanism according to claim 2, which is characterized in that the fixation kit includes the first buckle, the second card Button and third buckle, first buckle, second buckle, third buckle are for preventing the microswitch from institute It states in card slot and falls off naturally.

4. control mechanism according to claim 3, which is characterized in that the free end setting of first buckle has elasticity The first hook portion, flexible second hook portion is arranged in the free end of second buckle, and the free end of the third buckle is set Flexible third hook portion is set, first hook portion, second hook portion and the third hook portion are used to prevent described Microswitch falls off naturally from the slot.

5. control mechanism according to claim 1, which is characterized in that the wraping plate includes retainer, the stop position Between the first end and the rotation axis, when the retainer is contacted with the mounting bracket, described first can be prevented Continue the side far from the retainer in mounting bracket and rotated in end.

6. control mechanism according to claim 1, which is characterized in that the first end is at a distance from the rotation axis D1, the second end are D2, D1 at a distance from the rotation axis:D2=7.5-8.5.

7. according to claim 1-6 any one of them control mechanisms, which is characterized in that the second end includes arc sections, institute When stating arc sections and the microswitch and contacting, the microswitch conducting, when the arc sections leave the microswitch, institute State microswitch disconnection.

8. according to claim 1-6 any one of them control mechanisms, which is characterized in that the second end includes inclined plane part, institute When stating inclined plane part and the microswitch and contacting, the microswitch conducting, when the inclined plane part leaves the microswitch, institute State microswitch disconnection.

9. a kind of air purifier, which is characterized in that including filter screen, microswitch and control according to claims 1-8 Mechanism processed, the microswitch are connected with the mounting bracket, and the filter screen is installed on the mounting bracket, the filter screen In installation process the first end can rotate to close to the direction of the mounting bracket, so that the microswitch reaches conducting State, the air purifier could be connected and optionally work after the microswitch conducting.

10. a kind of air purifier, which is characterized in that including catalysis net, microswitch and control according to claims 1-8 Mechanism processed, the catalysis net are used to ozone catalytic being reduced to oxygen, and the microswitch is connected with the mounting bracket, described Catalysis net is installed on the mounting bracket, can make the first end to close to the mounting bracket in the catalysis net installation process Direction rotation so that the microswitch reaches conducting state, the air purifier ability after the microswitch conducting It is connected and optionally works.