CN209018615U - A kind of safety device of scrubbing brush, scrubbing brush and dust catcher - Google Patents

Abstract

The utility model provides a kind of safety device of scrubbing brush, the safety device includes mounting base and swivel mount, the mounting base includes mounting groove, the swivel mount is at least partially housed in the mounting groove, the swivel mount includes bracket, trigger member, return unit and idler wheel, on the bracket, the idler wheel is mounted on the side of the bracket for the trigger member and return unit setting；The idler wheel is rotated around the other side of the bracket under the effect of external force, drives the trigger member rotation to connect the driving motor of the scrubbing brush；The return unit resets the idler wheel after external force releasing, and drives the trigger member rotation to disconnect the driving motor of the scrubbing brush.It includes the scrubbing brush for being mounted with safety device described above that the utility model, which additionally provides a kind of scrubbing brush and dust catcher, the dust catcher,.The electricity that dust catcher can be not only saved using the utility model, can also effectively avoid contingency.

Description

A kind of safety device of scrubbing brush, scrubbing brush and dust catcher

Technical field

The utility model relates to cleaning appliance fields, particularly relate to the safety device, scrubbing brush and dust catcher of a kind of scrubbing brush.

Background technique

Dust catcher on the market usually can all configure an electric floor brush in order to which cleaning efficiency is higher at present.Electric floor brush It is connect with fuselage or connecting tube, when work, dust collector host supplies electricity to the motor on electric floor brush, and motor drives electric floor brush On round brush pat ground on dust cleaned.

Under normal circumstances, dust catcher can only be arranged a switch, and switch is generally arranged on fuselage, when round brush be raised from When opening ground, if being not related to swap switch, round brush will work always, will lead to dust catcher in this way and compare power consumption, and be easy Cause accidental injury accident.

Utility model content

In view of this, the main purpose of the utility model is to provide a kind of safety device of scrubbing brush, scrubbing brush and dust catcher, To solve the problems, such as that electric floor brush in the prior art compares power consumption and there are security risks.

In order to achieve the above objectives, the technical solution of the utility model is achieved in that

The first aspect of the utility model provides a kind of safety device of scrubbing brush, which includes mounting base and rotation Pivoted frame, the mounting base include mounting groove, and the swivel mount is at least partially housed in the mounting groove, and the swivel mount includes On the bracket, the idler wheel is installed for bracket, trigger member, return unit and idler wheel, the trigger member and return unit setting In the side of the bracket；

The idler wheel is rotated around the other side of the bracket under the effect of external force, drives the trigger member rotation to connect The driving motor of the scrubbing brush；The return unit resets the idler wheel after external force releasing, and the trigger member is driven to rotate To disconnect the driving motor of the scrubbing brush.

The effect of return unit is after guaranteeing that external force releases, and idler wheel can reset rapidly, and the idler wheel after reset also can not be light The easy position returned to before resetting.

Preferably, the swivel mount further includes shaft, and the trigger member and the shaft are arranged far from the idler wheel The other side of the bracket, the return unit are torsional spring, and the torsional spring is set in the shaft, one end of the torsional spring against In the trigger member, the other end of the torsional spring is resisted against on the body of the scrubbing brush.

Preferably, the safety device further includes position-limit mechanism；The position-limit mechanism is arranged on the bracket, when described When scrubbing brush is inverted, the position-limit mechanism limits the idler wheel and rotates under the effect of external force around the other side of the bracket.

The effect of position-limit mechanism is after scrubbing brush is inverted, even if there is external force on idler wheel, idler wheel can not also rotate, from And can be to avoid causing driving motor to be switched on because of artificial touching the case where.

Preferably, the mounting base further includes U-board, and the position-limit mechanism includes steel ball and the U-shaped block equipped with limiting slot, The other side of the bracket is arranged in the lower end of the U-shaped block, and the U-shaped block is contained in the U-board, the steel ball setting Between the U-shaped block and the U-board；

The idler wheel is rotated around the other side of the bracket under the effect of external force, drive U-shaped block rotation with institute State U-board closure；The return unit resets the idler wheel after external force releasing, and drives the U-shaped block rotation so that described The upper end of U-shaped block and the U-board are opened, and the limited block on the body of the limiting slot and the scrubbing brush cooperates, to limit State the opening size of U-shaped block；

When the scrubbing brush be inverted when, the steel ball be stuck under the effect of gravity the U-shaped block upper end and the U-board Between, to prevent the idler wheel from rotating under the effect of external force around the other side of the bracket.

Preferably, the position-limit mechanism and the trigger member are separately positioned on the two sides of the mounting groove.

Preferably, the mounting base further includes several card bases with the card slot clamping installation on the body of the scrubbing brush, if It does the space that the card base surrounds and forms the mounting groove.

The second aspect of the utility model provides a kind of scrubbing brush, which includes body, driving motor, round brush and above-mentioned The safety device, the driving motor, the round brush and the safety device are arranged on the body, the driving Motor and the round brush are drivingly connected.

Preferably, the scrubbing brush further includes electron plate and trigger switch, and the electron plate is arranged in the mounting base, institute It states trigger switch to be arranged on the electron plate, the trigger switch is electrically connected with the driving motor；

The idler wheel is rotated around the other side of the bracket under the effect of external force, drives the trigger member rotation to connect The trigger switch；The return unit resets the idler wheel after external force releasing, and drives the trigger member rotation to disconnect The trigger switch.

Preferably, which is characterized in that the trigger switch includes elastic plectrum and switch element, and the elastic plectrum can revolve It is mounted on the switch element with turning, the switch element is electrically connected the driving motor, and the trigger member triggers the bullet Property plectrum is to be switched on or switched off the switch element.

The third aspect of the utility model provides a kind of dust catcher, which includes scrubbing brush described above.

The utility model provides the safety device, scrubbing brush and dust catcher of a kind of scrubbing brush, since idler wheel and trigger member are distinguished The two sides of bracket are set, during using dust catcher, when idler wheel and ground full contact, gravity of the idler wheel in scrubbing brush And rotated under the action of the external force such as applied force of operator around the other side of bracket, trigger member rotation is driven to connect the drive of scrubbing brush Dynamic motor, scrubbing brush work normally；When operator lifts scrubbing brush, idler wheel leaves ground, and return unit resets idler wheel, and drives triggering Part is rotated to disconnect the driving motor of scrubbing brush, and scrubbing brush stops working, thus can not only save the electricity of dust catcher, can also have Effect avoids contingency.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram for the fool proof scrubbing brush of band that the utility model embodiment one provides；

Fig. 2 is a kind of safety apparatus structure schematic diagram that the utility model embodiment two provides, wherein is set on safety device It is equipped with electron plate and trigger switch；

Fig. 3 a is cross-sectional view when brushing in running order as shown in Figure 1, wherein slice location is at bracket；

Fig. 3 b is that trigger member compresses the signal that elastic plectrum connects trigger switch when brushing in running order as shown in Figure 1 Figure；

Fig. 3 c is cross-sectional view when brushing in running order as shown in Figure 1, wherein slice location is at position-limit mechanism；

Fig. 4 a be brush as shown in Figure 1 it is liftoff after cross-sectional view, wherein slice location is at bracket；

Fig. 4 b is the schematic diagram brushed liftoff rear trigger member as shown in Figure 1 and disconnect trigger switch far from elastic plectrum；

Fig. 4 c be brush as shown in Figure 1 it is liftoff after cross-sectional view, wherein slice location is at position-limit mechanism；

Fig. 5 a is the cross-sectional view after brush inversion as shown in Figure 1, wherein slice location is at bracket；And

Fig. 5 b is the cross-sectional view after brush inversion as shown in Figure 1, wherein slice location is at position-limit mechanism.

Specific embodiment

With reference to the accompanying drawing and specific embodiment is further described in more detail the utility model.

The orientation or positional relationship of the instructions such as term " on ", "lower", "front", "rear" is in the description of the present invention, Based on attached orientation or positional relationship shown in Fig. 2, " side, the other side of bracket " is rear, the front direction that corresponding diagram 2 indicates, is needed It is to be understood that these directional terminologies are merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this The limitation of utility model.

The utility model embodiment one provides a kind of fool proof scrubbing brush of band, and as shown in Figs. 1-2, which includes Body 1, round brush 2, safety device 3, driving motor 6, electron plate 4 and trigger switch 5, wherein driving motor 6, round brush 2 and safety Device 3 is arranged on body 1, and electron plate 4 is arranged on safety device 3, and trigger switch 5 is arranged on electron plate 4, and triggering is opened It closes 5 to be electrically connected with driving motor 6, driving motor 6 and round brush 2 are drivingly connected.Further, trigger switch 5 includes elastic plectrum 51 and switch element 52, switch element 52 is arranged on electron plate 4, and elastic plectrum 51 is rotatably and under switch element 52 End is connected, and switch element 52 is electrically connected driving motor 6.It should be noted that being arranged electron plate 4 in mounting base 31, will touch Hair switch 5, which is arranged on electron plate 4, so that the mounting structure of scrubbing brush is more compact, to be saved for the ease of installing trigger switch 5 Trigger switch 5 can not also be set in fact, the installation site of electron plate 4 can be adjusted as needed by saving installation space It sets in electron plate 4, as long as trigger switch 5 is able to achieve Trigger Function.

The utility model embodiment two provides a kind of safety device of scrubbing brush, as shown in Fig. 2, the safety device 3 includes Mounting base 31, swivel mount 32 and position-limit mechanism 33, electron plate 4 are arranged in mounting base 31.Mounting base 31 includes the machine with scrubbing brush Several card bases 311 of card slot clamping installation (not shown) on body 1, the space that several card bases 311 surround form mounting groove 312, The effect that card base 311 is arranged is easy for for safety device 3 being mounted on body 1.

Swivel mount 32 is at least partially housed in mounting groove 312, and swivel mount 32 includes bracket 322, trigger member 323, resets Part 324, idler wheel 321 and shaft 325, idler wheel 321 are mounted on the side of bracket 322, and the another of bracket 322 is arranged in trigger member 323 Side, return unit 324 are arranged on bracket 322.It should be noted that trigger member 323 can be fixedly installed, for example it is welded on branch It on frame 322, can also be integrally formed with bracket 322, in the present embodiment, trigger member 323 and bracket 322 are integrally formed.

As shown in Figure 3 a-3b, when using scrubbing brush, idler wheel 321 is in the external force such as the gravity of scrubbing brush and the applied force of operator Under the action of rotated around the other side of bracket 322, drive the rotation of trigger member 323 to compress elastic plectrum 51, elastic plectrum is connected Switch element 52, so that the driving motor 6 of scrubbing brush be made to be powered on；As shown in Fig. 4 a-4b, when lifting scrubbing brush, it is applied to rolling The external force of wheel 321 releases, and return unit 324 resets idler wheel 321, and drives the rotation of trigger member 323 with far from elastic plectrum 51, Elastic plectrum 51 is far from switch element 52 under own resilient effect, and switch element 52 is not engaged, to make the driving of scrubbing brush Motor 6 powers off.Since elastic plectrum 51 is arranged, when needing to connect driving motor 6, elastic plectrum 51 is compressed by trigger member 323, To guarantee that trigger switch 5 is constantly in triggering state；And when needing to disconnect driving motor 6, trigger member 323 is far from elastic dialing Piece 51, elastic plectrum 51 can be flicked timely again, to guarantee that trigger switch 5 will not be triggered.

In the present embodiment, return unit 324 is torsional spring, and after torsional spring can both guarantee that external force released, idler wheel can reset rapidly, Also it can guarantee the position that the idler wheel after resetting can not be returned to easily before resetting.

Specifically, shaft 325 is arranged far from the other side of the bracket 322 of idler wheel 321, and torsional spring is set in shaft 325, One end of torsional spring is resisted against in trigger member 323, and the other end of torsional spring is resisted against on the body 1 of scrubbing brush.It should be noted that shaft 325 can be fixedly installed, for example be welded on bracket 322, perhaps with 322 transition fit of bracket or interference fit or with insert Pin is fixed on bracket 322, can also be integrally formed with bracket 322, in the present embodiment, shaft 325 and bracket 322 it is integrated at Type.Shaft 325 is also not particularly limited in the left, center, right setting position of the other side of the bracket 322 far from idler wheel 321, only It wants that installation torsional spring can be played and torsional spring is made to play reset response.

Position-limit mechanism 33 is arranged on bracket 322, and when scrubbing brush is inverted, position-limit mechanism 33 limits idler wheel 321 in external force It is rotated under effect around the other side of bracket 322.In the present embodiment, position-limit mechanism 33 and trigger member 323 are separately positioned on installation The left and right sides of slot 312 can make the arrangement between each components on safety device 3 more compact in this way, save peace Fill space.

Specifically, position-limit mechanism 33 includes steel ball 331 and the U-shaped block 332 equipped with limiting slot 333, corresponding, mounting base 31 On further include U-board 313, the other side of bracket 322 is arranged in the lower end of U-shaped block 332, and U-shaped block 332 is contained in U-board 313 Interior, the opening of U-shaped block 332 is facing forward, the opening of U-board 313 backwards, the setting of steel ball 331 U-shaped block 332 and U-board 313 it Between.It should be noted that U-shaped block 332 can be fixedly installed, for example be welded on bracket 322, or it is screwed onto bracket 322 On, it can also be integrally formed with bracket 322, in the present embodiment, U-shaped block 332 and bracket 322 are integrally formed.

As shown in Figure 3c, when normal use scrubbing brush, idler wheel 321 is rotated around the other side of bracket 322 under the effect of external force, The rotation of U-shaped block 332 is driven to be closed with U-board 313；As illustrated in fig. 4 c, when lifting scrubbing brush, external force is released, and torsional spring makes idler wheel 321 reset, and drive U-shaped block 332 to rotate so that the upper end of U-shaped block 332 and the opening of U-board 313, limiting slot 333 and scrubbing brush Limited block 11 on body 1 cooperates, to limit the opening size of U-shaped block 332.

As shown in Fig. 5 a-5b, when scrubbing brush is inverted, steel ball 331 is stuck in upper end and the U of U-shaped block 332 under the effect of gravity Between shape plate 313, rotated under the effect of external force around the other side of bracket 322 with limiting idler wheel 321.Such limit method compares Simply, it is easily installed.

It should be noted that position-limit mechanism 33 is not limited to the form with steel ball 331 plus U-shaped block 332, it can also be using buckle The form of mechanism limit, i.e., snap device is arranged are as follows: when normal use scrubbing brush, snap device separation, and when scrubbing brush is inverted, Snap device is fastened to prevent idler wheel 321 from rotating around the other side of bracket 322.Limiting slot 33 is also not necessarily limited to be arranged in U-shaped block 332, it can be and limited block is set in U-shaped block 332, it is corresponding, limiting slot is set on the body 1 of scrubbing brush；It can also be not provided with Limiting slot is directly limited using the limited block on the body 1 that U-shaped block 332 or scrubbing brush is arranged in, can also be other any one Kind can play the limitation mode of the opening size of limitation U-shaped block 332.As long as in short, U-shaped block 332, U-board 313, steel ball 331 and the mutual cooperation of any limit method can play limitation idler wheel described above 321 under the effect of external force around bracket The effect of 322 other side rotation.

As shown in figs 3 a-3 c, after idler wheel 321 and ground completely attach to, idler wheel 321 rotates under the effect of external force, Bracket 322 is driven to rotate to after an extreme position, 322 stop motion of bracket, at this point, the trigger member 323 on bracket 322 is supported Firmly elastic plectrum 51, elastic plectrum 51 connect the driving motor 6 (referring to Fig. 1) of scrubbing brush by switch element 52, and driving motor 6 drives Dynamic round brush 2 moves.Under entire working condition, because idler wheel 321 is always with ground face contact, the position of bracket 322 will not It changes, and then can guarantee that driving motor 6 is in the conductive state always.At the same time, steel ball 331, U-shaped block 332 and U Shape plate 313 remain stationary state and does not generate position-limiting action.

As depicted in figure 4 a-4 c, after lifting scrubbing brush, idler wheel 321 leaves ground, and return unit 324 makes to roll after external force releasing Wheel 321 resets, and idler wheel 321 drives bracket 322 to rotate, and trigger member 323 is contacted with the disconnection of elastic plectrum 51, and elastic plectrum 51 exists Own resilient effect is lower to be resetted, and switch element 52 powers off, to disconnect the power of the driving motor 6 of scrubbing brush, round brush 2 stops fortune It is dynamic.At the same time, U-shaped block 332 also has rotated certain angle, the upper end of U-shaped block 332 and U-board under the drive of bracket 322 The distance between 313 gradually magnify, and steel ball 331 is fallen under self gravity in U-shaped block 332, and position-limit mechanism 3 is not to idler wheel at this time 321 generate position-limiting action.

As shown in Fig. 5 a-5b, after scrubbing brush inversion, the limited block 11 on the body 1 of limiting slot 333 and scrubbing brush cooperates, Magnified with limiting 332 upper end of U-shaped block to extreme position, at this point, steel ball 331 be stuck under the effect of gravity the upper end of U-shaped block 332 with Between U-board 313, bracket 322 is driven to rotate to limit idler wheel 321 in the effect of external force, to avoid the driving motor 6 of scrubbing brush It is switched on, effectively prevent applying external force to idler wheel 321 because touching idler wheel 321 or the intentional pressing roller 321 of child etc. unintentionally Caused by negative consequence.

In the utility model embodiment, when the idler wheel 321 and ground that locality paints completely attach to, idler wheel 321 is in external force Effect around bracket 322 the other side rotate, drive trigger member 323 connect scrubbing brush driving motor 6 power, the normal work of round brush Make；When lifting scrubbing brush, idler wheel 321 leaves ground, and return unit 324 resets idler wheel 321, and trigger member 323 disconnects the driving of scrubbing brush The power of motor 6, round brush stop working；After scrubbing brush inversion, position-limit mechanism 33 further limits the rotation of idler wheel 321, by This can not only save the electricity of scrubbing brush, can also effectively avoid contingency.

In other embodiments, connect driving motor 6 mode can there are many, for example connect with driving motor 6 Switch can be used instead close to switch, inductive switch, optoelectronic switch etc., and trigger member is according to the property of switch using corresponding triggering Mode connects driving motor 6；Return unit is also not necessarily limited to using torsional spring, for example can use tension spring；Position-limit mechanism, mounting groove and touching The installation site of outbox can according to need adjustment, for example, the same of mounting groove can be arranged in position-limit mechanism and trigger member Side position-limit mechanism and trigger member can also be arranged in mounting groove, correspondingly, the size and form of mounting groove can be according to need It is adjusted, for example opens up through-hole on mounting groove, when trigger member is mounted in mounting groove, trigger member passes through through-hole and outside Trigger switch be switched on or switched off；Position-limit mechanism is also not necessarily limited to a kind of this limit method of embodiment, such as can be directly in bracket One limited block of upper setting, mounting base one limit plate of corresponding setting, after scrubbing brush is inverted, limited block is directly connected to limit On plate, it can also be not provided with limit plate, a protrusion is arranged in the suitable position directly on scrubbing brush body, after scrubbing brush is inverted, Limited block is connected in protrusion.In short, position-limit mechanism can use various position limiting structures, limit method, as long as can rise till now The effect of roller motion.

The utility model embodiment three provides a kind of dust catcher, which includes the safety dress with above-described embodiment The scrubbing brush set.

In the above-described embodiments, dust catcher controls the movement of round brush by painting one safety device of setting on ground, when When idler wheel and ground completely attach to, driving motor 6 is connected, round brush movement；After idler wheel leaves ground, driving motor 6, which disconnects, to be connected It connects, round brush stop motion；After scrubbing brush inversion, position-limit mechanism further limits idler wheel rotation, thus can not only save The electricity of dust catcher can also effectively avoid contingency.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model and different limit In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power Subject to the protection scope that benefit requires.

Claims (10)

1. a kind of safety device of scrubbing brush, which is characterized in that the safety device includes mounting base and swivel mount, the mounting base Including mounting groove, the swivel mount is at least partially housed in the mounting groove, and the swivel mount includes bracket, trigger member, answers On the bracket, the idler wheel is mounted on the one of the bracket for position part and idler wheel, the trigger member and return unit setting Side；

The idler wheel is rotated around the other side of the bracket under the effect of external force, drives the trigger member rotation described to connect The driving motor of scrubbing brush；The return unit resets the idler wheel after external force releasing, and drives the trigger member rotation with disconnected Open the driving motor of the scrubbing brush.

2. safety device according to claim 1, which is characterized in that the swivel mount further includes shaft, the trigger member The other side of the bracket of the idler wheel is arranged far from the shaft, the return unit is torsional spring, and the torsional spring is arranged In the shaft, one end of the torsional spring is resisted against in the trigger member, and the other end of the torsional spring is resisted against the scrubbing brush Body on.

3. safety device according to claim 1, which is characterized in that the safety device further includes position-limit mechanism；It is described Position-limit mechanism is arranged on the bracket, and when the scrubbing brush is inverted, the position-limit mechanism limits the idler wheel in the work of external force It is rotated under around the other side of the bracket.

4. safety device according to claim 3, which is characterized in that the mounting base further includes U-board, the position restrainer Structure includes steel ball and the U-shaped block equipped with limiting slot, and the other side of the bracket, the U-shaped block is arranged in the lower end of the U-shaped block It is contained in the U-board, the steel ball is arranged between the U-shaped block and the U-board；

The idler wheel is rotated around the other side of the bracket under the effect of external force, drive U-shaped block rotation with the U-shaped Plate closing；The return unit resets the idler wheel after external force releasing, and drives the U-shaped block rotation so that the U-shaped block Upper end and the U-board open, the limited block on the body of the limiting slot and the scrubbing brush cooperates, to limit the U-shaped The opening size of block；

When the scrubbing brush is inverted, the steel ball is stuck under the effect of gravity between the upper end and the U-board of the U-shaped block, To prevent the idler wheel from rotating under the effect of external force around the other side of the bracket.

5. safety device according to claim 3, which is characterized in that the position-limit mechanism is respectively set with the trigger member In the two sides of the mounting groove.

6. safety device according to claim 1, which is characterized in that the mounting base further includes the body with the scrubbing brush On card slot clamping installation several card bases, the space that several card bases surround forms the mounting groove.

7. a kind of scrubbing brush, which is characterized in that the scrubbing brush includes that body, driving motor, round brush and claim 1~6 are any one Safety device described in, the driving motor, the round brush and the safety device are arranged on the body, the drive Dynamic motor and the round brush are drivingly connected.

8. scrubbing brush according to claim 7, which is characterized in that the scrubbing brush further includes electron plate and trigger switch, described Electron plate is arranged in the mounting base, and the trigger switch is arranged on the electron plate, the trigger switch and the drive Dynamic motor electrical connection；

The idler wheel is rotated around the other side of the bracket under the effect of external force, drives the trigger member rotation described to connect Trigger switch；The return unit resets the idler wheel after external force releasing, and drives the trigger member rotation described to disconnect Trigger switch.

9. scrubbing brush according to claim 8, which is characterized in that the trigger switch includes elastic plectrum and switch element, The elastic plectrum is rotatably installed on the switch element, and the switch element is electrically connected the driving motor, described Trigger member triggers the elastic plectrum to be switched on or switched off the switch element.

10. a kind of dust catcher, which is characterized in that the dust catcher includes scrubbing brush described in claim 7-9 any one.