CN217696416U - Anti-lock rolling brush and sweeper - Google Patents
Anti-lock rolling brush and sweeper Download PDFInfo
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- CN217696416U CN217696416U CN202221421709.5U CN202221421709U CN217696416U CN 217696416 U CN217696416 U CN 217696416U CN 202221421709 U CN202221421709 U CN 202221421709U CN 217696416 U CN217696416 U CN 217696416U
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Abstract
The utility model provides a pair of anti-lock round brush, including round brush body and anti-lock device, anti-lock device includes the axle sleeve, sets up first meshing portion on the axle sleeve, this internal second meshing portion that is provided with of round brush, first meshing portion second meshing portion relatively rotates, the second end and the drive arrangement of axle sleeve are connected, when not taking place locking, under drive arrangement's actuating action, first meshing portion and second meshing portion rotate in step, when taking place locking, the short-term separation of first meshing portion and second meshing portion, anti-lock device can rotate the round brush body relatively, consequently, can not lead to the operating current of motor when the round brush locking increasingly big, can effectively avoid leading to the problem that the motor load is too big burnt out because of the round brush locking.
Description
Technical Field
The utility model relates to an intelligence cleaning device field, concretely relates to anti-lock round brush and machine of sweeping floor.
Background
People's life is optimized increasingly, and housework such as cleaning and sweeping has been replaced by machines and common household cleaners include hand-held dust collectors and floor sweepers. When the sweeper performs cleaning, dust and other garbage are cleaned into an internal dust box of the sweeper by means of suction generated by a fan arranged inside the sweeper and rotation of a rolling brush positioned on the lower side of the sweeper to finish cleaning;
however, in a household environment, linear garbage (such as hair, silk threads and the like) is often wound on the rolling brush, the rolling brush is easily locked if being tightly wound by the linear garbage, but when the rolling brush is locked, the motor still works, so that the working current of the motor is increased, and the motor is possibly burnt.
SUMMERY OF THE UTILITY MODEL
The utility model provides an anti-lock round brush and machine of sweeping floor aims at solving among the prior art on the threadiness rubbish twines the round brush easily, if the round brush twines tightly by the threadiness rubbish, is locked easily, nevertheless takes place when the round brush locking, and the motor is still working, so, the operating current of motor can the grow, probably leads to the problem of burning out.
In order to solve the above technical problem, in a first aspect, the present invention provides an anti-lock roll brush, including: the utility model provides a rolling brush, including rolling brush body and anti-lock device, anti-lock device sets up the tip of rolling brush body, anti-lock device includes the axle sleeve, the axle sleeve sets up first meshing portion towards the first end of rolling brush body, this internal being provided with of rolling brush with the second meshing portion that first meshing portion matches, first meshing portion with second meshing portion discontinuity is connected, first meshing portion can be relative second meshing portion rotates, the second end and the drive arrangement of axle sleeve are connected, when not taking place to embrace when dying under drive arrangement's the drive action, anti-lock device with the synchronous rotation of rolling brush body, when taking place to embrace when dying, anti-lock device can be relative the rolling brush body rotates.
Preferably, the anti-lock device further comprises a fixed end cover pressure spring and a rotating shaft;
the fixed end cover is connected with the rolling brush body; the first end of pivot with this body coupling of round brush, the second pot head of pivot is established in the first end of axle sleeve, the axle sleeve can be relative pivot, round brush body rotate, the pressure spring cover is established on the axle sleeve, the first end of pressure spring is supported and is held the first meshing portion of axle sleeve, the second end of pressure spring is supported and is held on the stiff end lid, the second end of axle sleeve pass behind the stiff end lid with drive arrangement connects.
Preferably, the shaft sleeve further comprises a connecting shaft, the first meshing portion is connected with a first end of the connecting shaft, a mounting hole is formed in the connecting shaft, a first end of the rotating shaft is fixedly connected with the rolling brush body, a second end of the rotating shaft is arranged in the mounting hole, the rotating shaft can rotate in the mounting hole, the pressure spring is sleeved on the connecting shaft, a first end of the pressure spring abuts against the first meshing portion, a second end of the pressure spring abuts against the fixed end cover, and a second end of the connecting shaft penetrates through the fixed end cover and then is connected with the driving device;
when the locking does not occur, the first meshing part is tightly meshed with the second meshing part under the action of the pressure spring, and the first meshing part and the second meshing part synchronously rotate under the action of the driving device;
when locking occurs, the first meshing portion and the second meshing portion are separated discontinuously, the pressure spring is compressed discontinuously, and the first meshing portion rotates discontinuously relative to the second meshing portion.
Preferably, a clutch groove is formed in one end, in contact with the second meshing part, of the first meshing part, and clutch teeth matched with the clutch groove are formed in one end, in contact with the first meshing part, of the second meshing part;
when locking does not occur, under the action of the pressure spring, the pressure spring generates extrusion force on the first meshing part, so that friction force is generated between the clutch groove and the clutch tooth, the clutch groove is tightly connected with the clutch tooth, and under the action of the driving device, the first meshing part and the second meshing part synchronously rotate;
when the locking occurs, friction force is generated between the clutch groove and the clutch teeth to overcome extrusion force generated by the pressure spring on the first meshing portion, so that the clutch teeth and the clutch groove are separated discontinuously, the pressure spring is compressed discontinuously, and the first meshing portion rotates discontinuously relative to the second meshing portion.
Preferably, at least one of the engaging grooves is provided, at least one of the engaging teeth is provided, and a depth of the engaging groove is gradually reduced along a rotation direction of the first engaging portion.
Preferably, the first engaging portion is provided with at least one first guide surface, at least one second guide surface and at least one cross section, the second guide surface is an inclined plane, the inclination of the first guide surface is smaller than that of the second guide surface, the inclination of the cross section is larger than that of the second guide surface, a first end of the second guide surface is connected with a first end of the first guide surface, a second end of the second guide surface is connected with a lower edge of the cross section, an upper edge of the cross section is connected with a second end of the first guide surface, and the second guide surface and the cross section cooperate to form the engaging and disengaging groove.
Preferably, the connecting shaft is a polygonal prism, a polygonal prism groove matched with the connecting shaft is formed in an output shaft of the driving device, and the polygonal prism is embedded into the polygonal prism groove when the connecting shaft is connected with the driving device.
Preferably, one of the rolling brush body or the fixed end cover is provided with a limiting groove, the other of the rolling brush body or the fixed end cover is provided with a limiting bulge matched with the limiting groove, and the limiting groove is matched with the limiting bulge to enable the rolling brush body to be connected with the fixed end cover.
Preferably, the limiting groove is L-shaped.
In a second aspect, the present application further provides a sweeper, wherein the sweeper is provided with an anti-lock roll brush as described above.
The utility model provides a pair of anti-lock round brush, including round brush body and anti-lock device, anti-lock device includes the axle sleeve, sets up first meshing portion on the axle sleeve, this internal second meshing portion that is provided with of round brush, first meshing portion second meshing portion relatively rotates, the second end and the drive arrangement of axle sleeve are connected, when not taking place locking, under drive arrangement's actuating action, first meshing portion and second meshing portion rotate in step, when taking place locking, the short-term separation of first meshing portion and second meshing portion, anti-lock device can rotate the round brush body relatively, consequently, can not lead to the operating current of motor when the round brush locking increasingly big, can effectively avoid leading to the problem that the motor load is too big burnt out because of the round brush locking.
Drawings
Fig. 1 is an exploded view of an anti-lock roll brush according to an embodiment of the present invention;
fig. 2 is a partial sectional view of an anti-lock roll brush according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a shaft sleeve according to an embodiment of the present invention;
wherein, 1, rolling brush body; 11. clutch teeth; 21. fixing the end cover; 22. a shaft sleeve; 221. a clutch groove; 222. a first guide surface; 223. a second guide surface; 224. cutting the surface; 23. a pressure spring; 24. a rotating shaft.
The realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and 2, the present invention provides an anti-lock roll brush, including: round brush body 1 and anti-lock braking device, anti-lock braking device sets up the tip of round brush body 1, anti-lock braking device includes axle sleeve 22, axle sleeve 22 sets up first meshing portion towards the first end of round brush body, this internal being provided with of round brush with the second meshing portion that first meshing portion matches, first meshing portion with second meshing portion discontinuity is connected, first meshing portion can be relative second meshing portion rotates, the second end and the drive arrangement of axle sleeve 22 are connected, when not taking place to embrace and die under drive arrangement's the drive action, anti-lock braking device with round brush body 1 synchronous rotation, when taking place to embrace and die, anti-lock braking device can be relative round brush body 1 rotates.
As described above, the roll brush provided in the present embodiment includes: a roller brush body 1 and an anti-lock device, wherein the roller brush body 1 is preferably configured to have a circular bar shape, brushes for cleaning the ground are uniformly provided on the outer surface of the roller brush body 1, the anti-lock device may be provided at any one end portion of the roller brush body 1, the anti-lock device includes a first engagement portion, a second meshing part matched with the first meshing part is arranged in the rolling brush body 1, the first meshing part is discontinuously connected with the second meshing part, the first engaging portion is rotatable with respect to the second engaging portion, and the second end of the sleeve 22 is connected to a driving device, preferably a motor, for providing rolling power to the roll brush, wherein the second end of the shaft sleeve 22 can be connected with the driving device in a nested manner (one of the joints between the shaft sleeve 22 and the driving device is of a convex structure, the other one is of a groove body which is sunken to form a fit with the convex structure, the two are matched with the groove body through the convex structure to realize transmission), the two can also adopt gear transmission or belt transmission, there is no particular limitation on the form of connection of the sleeve 22 to the drive means, and, when no locking occurs, under the driving action of the driving device, the first meshing part and the second meshing part are tightly connected and synchronously rotate, when the locking happens, under the structural action of the shaft housing 22 itself, the first engagement portion of the shaft housing 22 is relatively separated from the second engagement portion of the roll brush body 1, so that the anti-lock brake device can be rotated relative to the roll brush body 1, and therefore, when the rolling brush body 1 is locked, the anti-lock device can idle along with the driving device, and the driving device cannot be burnt due to overlarge current of the driving device caused by locking of the rolling brush.
In one embodiment, the anti-lock device further comprises a fixed end cover 21, a pressure spring 23 and a rotating shaft 24;
the fixed end cover 21 is connected with the roller brush body 1; the first end of the rotating shaft 24 is connected with the rolling brush body 1, the second end of the rotating shaft 24 is sleeved in the first end of the shaft sleeve 22, the shaft sleeve 22 can rotate relative to the rotating shaft 24 and the rolling brush body 1, the pressure spring 23 is sleeved on the shaft sleeve 22, the first end of the pressure spring 23 abuts against the first meshing portion of the shaft sleeve 22, the second end of the pressure spring 23 abuts against the fixed end cover 21, and the second end of the shaft sleeve 22 penetrates through the fixed end cover 21 and then is connected with the driving device.
As described above, the anti-lock device includes the fixed end cap 21, the compressed spring 23, and the rotating shaft 24, the fixed end cap 21 is connected to the roller brush body 1, and the two can be connected through the limiting structure (the limiting groove and the limiting protrusion), and can also be connected through the screw thread, and it should be noted that, no matter whether the two are connected through the limiting structure or the screw thread, it is required to ensure that the loosening direction of the fixed end cap 21 and the roller brush body 1 is opposite to the rotation direction of the roller brush, when the roller brush rotates, the two will not loosen, after the fixed end cap 21 is connected to the roller brush body 1, a mounting groove is formed inside the two, the shaft sleeve 22, the compressed spring 23, and the rotating shaft 24 are all disposed in the mounting groove, wherein, the first end of the rotating shaft 24 is fixedly connected to the roller brush body 1 to ensure that the rotating shaft 24 and the roller brush body 1 rotate synchronously at any time, and the second end of the rotating shaft 24 is connected to the shaft sleeve 22, when the rolling brush is locked, the rotating shaft 24 can rotate relative to the shaft sleeve 22, the pressure spring 23 is sleeved on the shaft sleeve 22, the first end of the pressure spring 23 abuts against the first meshing part of the shaft sleeve 22, the second end abuts against the fixed end cover 21, a through hole is arranged at the circle center of the fixed end cover 21, the second end of the shaft sleeve 22 passes through the through hole on the fixed end cover 21 and then is connected with the driving device, when the rolling brush normally rotates to be locked, the first end of the shaft sleeve 22 can be tightly contacted with the rolling brush body 1 under the action of the pressure spring 23, mutual friction force is formed between the first end and the rolling brush body 1, the shaft sleeve 22 can drive the rolling brush body 1 to synchronously rotate through the friction force between the first end and the second end, when the rolling brush is locked, the shaft sleeve 22 can rotate by overcoming the mutual friction force between the first end and the second end, namely, when the rolling brush body 1 is in a locked state, the torque force generated when the driving device drives the shaft sleeve 22 to rotate is larger than the mutual friction force between the first end and the second end, therefore, the shaft sleeve 22 can rotate relative to the roller brush body 1, and the motor can be prevented from being burnt.
In one embodiment, the shaft sleeve 22 further includes a connecting shaft, the first engaging portion is connected to a first end of the connecting shaft, a mounting hole is provided in the connecting shaft, a first end of the rotating shaft 24 is fixedly connected to the roller brush body 1, a second end of the rotating shaft 24 is disposed in the mounting hole, the rotating shaft 24 is rotatable in the mounting hole, the pressure spring 23 is sleeved on the connecting shaft, a first end of the pressure spring 23 abuts against the first engaging portion, a second end of the pressure spring 23 abuts against the fixed end cap 21, and a second end of the connecting shaft passes through the fixed end cap 21 and then is connected to the driving device;
when the locking does not occur, under the action of the pressure spring 23, the first meshing part is tightly meshed with the second meshing part, and under the action of the driving device, the first meshing part and the second meshing part synchronously rotate;
when the locking occurs, the first meshing portion and the second meshing portion are intermittently separated, the pressure spring 23 is intermittently compressed, and the first meshing portion intermittently rotates relative to the second meshing portion.
As mentioned above, the shaft sleeve 22 includes the first engaging portion and the connecting shaft, the pressure spring 23 is sleeved on the connecting shaft, the first end of the pressure spring 23 abuts against the end of the first engaging portion not contacting with the second engaging portion, the second end of the pressure spring 23 abuts against the fixed end cover 21, the first engaging portion of the shaft sleeve 22 contacts with the second engaging portion of the rolling brush body 1, a mounting hole is provided in the connecting shaft, the first end of the rotating shaft 24 is fixedly connected with the rolling brush body 1 to ensure that the two can rotate synchronously, the second end of the rotating shaft 24 extends into the mounting hole, wherein the diameter of the mounting hole is the same as the diameter of the rotating shaft 24, when the rolling brush normally rotates, the first engaging portion and the second engaging portion tightly contact to generate a mutual friction force under the action of the pressure spring 23, and the rotating shaft 24 does not rotate relative to the connecting shaft; when the locking occurs, the first engaging portion can overcome the friction between the first engaging portion and the rotating shaft 24 of the second engaging portion to rotate and generate intermittent separation (i.e. the first engaging portion can overcome the friction between the first engaging portion and the rotating shaft 24 of the second engaging portion to rotate relatively, at this moment, the first engaging portion and the second engaging portion can generate short separation, and under the action of the pressure spring 23, the first engaging portion can be engaged with the second engaging portion again, so that the repeated action forms intermittent action), the rotating shaft 24 can rotate in the mounting hole, so that the rotating shaft 24 can rotate intermittently relative to the connecting shaft, and therefore, the shaft sleeve 22 can idle along with the driving motor without burning the motor.
Referring to fig. 2, in one embodiment, a clutch groove 221 is provided at one end of the first engaging portion contacting the second engaging portion, and a clutch tooth 11 matching with the clutch groove 221 is provided at one end of the second engaging portion contacting the first engaging portion;
when the locking does not occur, under the action of the pressure spring 23, the pressure spring 23 generates extrusion force on the first meshing part, so that friction force is generated between the clutch groove 221 and the clutch teeth 11, the clutch groove 221 is tightly connected with the clutch teeth 11, and under the action of the driving device, the first meshing part and the second meshing part synchronously rotate;
when the locking occurs, friction force is generated between the clutch groove 221 and the clutch tooth 11 to overcome the extrusion force of the compression spring 23 on the first meshing part, so that the clutch tooth 11 and the clutch groove 221 are separated intermittently, the compression spring 23 is compressed intermittently, and the first meshing part rotates intermittently relative to the second meshing part.
In one embodiment, at least one of the engaging and disengaging grooves 221 and at least one of the engaging and disengaging teeth 11 are provided, and a depth of the engaging and disengaging groove 221 is gradually reduced along a rotation direction of the first engaging portion.
As described above, the first engaging portion and the second engaging portion may be provided with the engaging and disengaging groove 221 at the end contacting the first engaging portion and the second engaging portion, the engaging and disengaging tooth 11 matching with the engaging and disengaging groove 221 at the end contacting the second engaging portion and the second engaging portion, and further, the engaging and disengaging tooth 11 may be provided at the first engaging portion and the engaging and disengaging groove 221 may be provided at the second engaging portion, wherein one set of engaging and disengaging groove 221 and engaging tooth 11 may be provided at the contacting portion between the first engaging portion and the second engaging portion, a plurality of groups can be arranged, wherein the contact position between the clutch groove 221 and the clutch tooth 11 is an inclined plane, that is, the depth of the clutch groove 221 gradually decreases along the rotation direction of the first meshing part, the height of the clutch tooth 11 also gradually increases along the rotation direction of the second meshing part, when locking does not occur, under the action of the pressure spring 23, the clutch groove 221 and the clutch tooth 11 are tightly attached, and the inclined plane can provide mutual friction force for the first meshing part and the second meshing part, so that the first meshing part and the second meshing part can synchronously rotate; when locking occurs, the clutch groove 221 and the clutch tooth 11 are separated transiently under the action of angular guiding of the clutch groove and the clutch tooth, the pressure spring 23 is compressed, and the first meshing part can overcome the friction force with the second meshing part to realize relative rotation.
Referring to fig. 3, in one embodiment, the first engaging portion is provided with at least one first guide surface 222, at least one second guide surface 223, and at least one cross-section 224, the second guide surface 223 is an inclined plane, the inclination of the first guide surface 222 is smaller than that of the second guide surface 223, the inclination of the cross-section is greater than that of the second guide surface 223, a first end of the second guide surface 223 is connected with a first end of the first guide surface 222, a second end of the second guide surface 223 is connected with a lower edge of the cross-section 224, an upper edge of the cross-section 224 is connected with a second end of the first guide surface 222, and the second guide surface 223 and the cross-section 224 cooperate to form the engaging groove 221.
As described above, the first engaging part is provided with at least one first guide surface 222, at least one second guide surface 223 and at least one cross section 224, wherein the first guide surface 222 is parallel to the rotating direction of the first engaging part or forms a smaller included angle with the rotating direction of the first engaging part or forms a substantially parallel shape with both, the second guide surface 223 is an inclined plane, the inclination of the first guide surface 222 is smaller than the inclination of the second guide surface 223, and the inclination of the cross section 224 is larger than the inclination of the second guide surface 223, as a preferred embodiment, the cross section 224 is parallel to the rotating axis of the first engaging part, that is, the connection between the cross section 224 and the first guide surface 222 is a right angle, when there is only one first guide surface 222, one second guide surface 223 and one cross section 224 in the first engaging part, the first guide surface 222, the second guide surface 223 and the cross section 224 are connected end to end in the first engaging part, and if there are a plurality of first guide surfaces 222, the second guide surfaces 223 and the cross section 224, the first guide surface 222, the second guide surface 223 and the cross section 224 are connected end to end, and the first engaging part are combined with the guide surface 221, and the second guide surface 221, and the first engaging part is separated from the second engaging part.
In one embodiment, the connecting shaft is a polygonal prism, a polygonal prism groove matched with the connecting shaft is arranged on an output shaft of the driving device, and the polygonal prism is embedded into the polygonal prism groove when the connecting shaft is connected with the driving device.
As mentioned above, the portion of the connecting shaft extending out of the shaft sleeve 22 and connected with the driving device may be a polygonal prism, and the output shaft of the driving device is provided with a polygonal prism groove matching with the extending portion of the connecting shaft, so that during transmission, the polygonal prism is embedded into the polygonal prism groove to realize connection between the shaft sleeve 22 and the driving device, and the polygonal prism groove are mutually matched to enable the shaft sleeve 22 and the output shaft of the driving device to synchronously rotate.
In one embodiment, one of the rolling brush body 1 or the fixing end cover 21 is provided with a limiting groove, the other of the rolling brush body 1 or the fixing end cover 21 is provided with a limiting protrusion matched with the limiting groove, and the limiting groove and the limiting protrusion are matched to connect the rolling brush body 1 and the fixing end cover 21.
In one embodiment, the retaining groove is L-shaped.
As described above, the rolling brush body 1 and the fixing end cap 21 may be connected by a screw, and as a preferred embodiment, the rolling brush body 1 and the fixing end cap 21 may be connected by a limiting structure, wherein the limiting structure includes a limiting groove and a limiting protrusion, the limiting groove is disposed on one of the rolling brush body 1 or the fixing end cap 21, and the limiting protrusion is disposed on the other, when the two are connected, the fixing end cap 21 covers an end of the rolling brush body 1, and the limiting protrusion is disposed in the limiting groove, so that the limiting groove and the limiting protrusion can limit and fix therebetween, as a preferred embodiment, the limiting groove is disposed in an L shape, wherein the limiting groove includes a horizontal groove and a circumferential groove, the horizontal groove is parallel to an axis of the rolling brush, the circumferential groove is circumferentially disposed at an end of the rolling brush body 1 in contact with the fixing end cap 21, and an opening is disposed at an end of the horizontal groove in contact with the fixing end cap 21, when the two are connected, the limiting protrusion is first aligned with an opening of the horizontal groove, and then the fixing end cap 21 is pushed to make the limiting protrusion reach the circumferential groove, when the fixing end cap 21 is rotated, the rolling brush body 1 and the fixing end cap 21 may be connected, and when the two are rotated, no matter the rolling brush body is loosened, no matter the fixing end cap body 1 and the fixing end cap is rotated, the rolling brush body is rotated, and the rolling brush body is prevented from rotating in a direction opposite direction.
In a second aspect, the application further provides a sweeper, wherein the sweeper is provided with the anti-lock rolling brush in any one of the above aspects.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), if the specific posture is changed, the directional indicator is also changed accordingly, and the connection may be a direct connection or an indirect connection.
Furthermore, descriptions in the present application as to "first," "second," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (10)
1. An anti-lock roll brush, comprising: the utility model provides a rolling brush, including rolling brush body and anti-lock device, anti-lock device sets up the tip of rolling brush body, anti-lock device includes the axle sleeve, the axle sleeve sets up first meshing portion towards the first end of rolling brush body, this internal being provided with of rolling brush with the second meshing portion that first meshing portion matches, first meshing portion with second meshing portion discontinuity is connected, first meshing portion can be relative second meshing portion rotates, the second end and the drive arrangement of axle sleeve are connected, when not taking place to embrace when dying under drive arrangement's the drive action, anti-lock device with the synchronous rotation of rolling brush body, when taking place to embrace when dying, anti-lock device can be relative the rolling brush body rotates.
2. The anti-lock roll brush according to claim 1, wherein the anti-lock device further comprises a fixed end cap, a compression spring, a rotation shaft;
the fixed end cover is connected with the rolling brush body; the first end of pivot with this body coupling of round brush, the second pot head of pivot is established in the first end of axle sleeve, the axle sleeve can be relative pivot, round brush body rotate, the pressure spring cover is established on the axle sleeve, the first end of pressure spring is supported and is held the first meshing portion of axle sleeve, the second end of pressure spring is supported and is held on the stiff end lid, the second end of axle sleeve pass behind the stiff end lid with drive arrangement connects.
3. The anti-lock round brush according to claim 2, wherein said shaft sleeve further comprises a connecting shaft, said first engaging portion is connected to a first end of said connecting shaft, said connecting shaft is provided with a mounting hole therein, a first end of said rotating shaft is fixedly connected to said round brush body, a second end of said rotating shaft is provided in said mounting hole, said rotating shaft is rotatable in said mounting hole, said compression spring is sleeved on said connecting shaft, a first end of said compression spring abuts against said first engaging portion, a second end of said compression spring abuts against said fixed end cap, and a second end of said connecting shaft passes through said fixed end cap and is connected to said driving device;
when the locking does not occur, the first meshing part is tightly meshed with the second meshing part under the action of the pressure spring, and the first meshing part and the second meshing part synchronously rotate under the action of the driving device;
when locking occurs, the first meshing portion and the second meshing portion are separated discontinuously, the pressure spring is compressed discontinuously, and the first meshing portion rotates discontinuously relative to the second meshing portion.
4. The anti-lock roll brush according to claim 3, wherein an end of the first engaging part contacting the second engaging part is provided with a clutch groove, and an end of the second engaging part contacting the first engaging part is provided with a clutch tooth matching the clutch groove;
when locking does not occur, under the action of the pressure spring, the pressure spring generates extrusion force on the first meshing part, so that friction force is generated between the clutch groove and the clutch tooth, the clutch groove is tightly connected with the clutch tooth, and under the action of the driving device, the first meshing part and the second meshing part synchronously rotate;
when the locking occurs, the friction force generated between the clutch groove and the clutch tooth overcomes the extrusion force of the pressure spring on the first meshing part, so that the clutch tooth and the clutch groove are separated discontinuously, the pressure spring is compressed discontinuously, and the first meshing part rotates discontinuously relative to the second meshing part.
5. The anti-lock roll brush according to claim 4, wherein at least one of the clutch grooves is provided, and at least one of the clutch teeth is provided, and a depth of the clutch groove is gradually reduced along a rotation direction of the first engaging part.
6. An anti-lock roll brush according to claim 5, wherein the first engaging portion is provided with a cam member including at least one first guide surface, at least one second guide surface and at least one cross section, the second guide surface is an inclined plane, the first guide surface has an inclination smaller than that of the second guide surface, the cross section has an inclination larger than that of the second guide surface, a first end of the second guide surface is connected to a first end of the first guide surface, a second end of the second guide surface is connected to a lower edge of the cross section, an upper edge of the cross section is connected to a second end of the first guide surface, and the second guide surface and the cross section cooperate to form the engaging groove.
7. The anti-lock roll brush according to claim 3, wherein the coupling shaft is a polygonal prism, and a polygonal groove matching the coupling shaft is provided on the output shaft of the driving unit, and the polygonal prism is fitted into the polygonal groove when the coupling shaft is coupled to the driving unit.
8. The anti-lock round brush according to claim 2, wherein one of the round brush body or the stationary cover is provided with a stopper groove, and the other of the round brush body or the stationary cover is provided with a stopper protrusion matching with the stopper groove, and the stopper groove and the stopper protrusion cooperate to connect the round brush body and the stationary cover.
9. The anti-lock roll brush according to claim 8, wherein the limiting groove is L-shaped.
10. A sweeper, characterized in that the sweeper is provided with an anti-lock roll brush as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221421709.5U CN217696416U (en) | 2022-06-08 | 2022-06-08 | Anti-lock rolling brush and sweeper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221421709.5U CN217696416U (en) | 2022-06-08 | 2022-06-08 | Anti-lock rolling brush and sweeper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217696416U true CN217696416U (en) | 2022-11-01 |
Family
ID=83800828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221421709.5U Active CN217696416U (en) | 2022-06-08 | 2022-06-08 | Anti-lock rolling brush and sweeper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217696416U (en) |
-
2022
- 2022-06-08 CN CN202221421709.5U patent/CN217696416U/en active Active
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