CN218165157U - Surface cleaning device - Google Patents

Abstract

The present disclosure provides a surface cleaning device, comprising a machine body and a cleaning roller, wherein the cleaning roller comprises a first cleaning roller and a second cleaning roller which are parallel, and the first cleaning roller and the second cleaning roller are respectively detachably arranged on the machine body along the self axial direction; the surface cleaning device also comprises an end cover which is detachably connected with the machine body, and the end cover is also respectively connected with the first cleaning roller and the second cleaning roller, so that the end cover can carry the first cleaning roller and the second cleaning roller to be simultaneously detached from the machine body. This surface cleaning device that openly has above-mentioned structure has avoided first cleaning roller and second cleaning roller loaded down with trivial details operation when being dismantled one by one, has promoted user's use and has experienced.

Description

Surface cleaning device

Technical Field

The disclosure belongs to the field of cleaning electric appliances, and particularly provides a surface cleaning device.

Background

A surface cleaning apparatus is a device that is capable of cleaning a floor to be cleaned and includes a hand-held cleaning device and a self-moving cleaning device. The hand-held cleaning device and the self-moving cleaning device each include a roller-type cleaning device including a single roller-type cleaning device and a multi-roller-type cleaning device, and a rotating disk-type cleaning device.

In general, a plurality of cleaning rollers of the multi-roller type cleaning apparatus are detached from the machine body one by one, which is cumbersome to operate. Moreover, for some cleaning devices, the cleaning roller cannot provide a good force point for users during the detachment process, so that the cleaning roller is easily broken laterally, and further the fixing structure of the cleaning roller on the machine body is easily damaged.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems in the prior art, that is, to solve the problem that the detaching operation of the cleaning roller of the conventional multi-roller cleaning device is complicated, the present disclosure provides a surface cleaning device, comprising a machine body and cleaning rollers, wherein the cleaning rollers comprise a first cleaning roller and a second cleaning roller which are parallel to each other, and the first cleaning roller and the second cleaning roller are respectively detachably mounted on the machine body along the self axial direction; the surface cleaning device further comprises an end cover detachably connected with the machine body, and the end cover is further connected with the first cleaning roller and the second cleaning roller respectively, so that the end cover can carry the first cleaning roller and the second cleaning roller to be detached from the machine body simultaneously.

Alternatively, the end cap and the first and second cleaning rollers may be detachably coupled to each other, respectively, so that the first and second cleaning rollers separated from the body can be detached from the end cap.

Optionally, a clamping structure is arranged on the end cover, an installation cavity is respectively arranged at one end of the first cleaning roller and one end of the second cleaning roller opposite to the end cover, a clamped structure is arranged in the installation cavity, and the clamping structure and the clamped structure are separated from each other to allow the cleaning rollers to freely rotate; the engaging structure and the engaged structure can interfere with each other in the axial direction of the cleaning roller, so that the end cover can be detached from the machine body simultaneously with the first cleaning roller and the second cleaning roller by the interfering engaging structure and the engaged structure.

Optionally, the engaged structure is a circular ring arranged on the circumferential wall of the mounting cavity.

Optionally, a sliding locking structure is arranged on the end cover, a locked structure is arranged on the machine body, and the locking structure is matched with the locked structure so as to lock the end cover to the machine body; the locking structure is also configured to drive the engaging structure so that the engaging structure and the engaged structure are separated from interference or interfere with each other in the axial direction of the cleaning roller.

Optionally, an outer shifting fork is arranged at one end of the locking structure close to the cleaning roller, and the locking structure in a locking position separates the outer shifting fork from the clamping structure, so that the clamping structure and the clamped structure interfere with each other in the axial direction of the cleaning roller; the locking structure at the unlocking position enables the outer shifting fork to abut against the clamping structure, so that the clamping structure and the clamped structure are forced to be separated from interference in the axial direction of the cleaning roller.

Optionally, an inner shifting fork is arranged at one end of the locking structure close to the cleaning roller, and the locking structure in a locking position separates the inner shifting fork from the clamping structure, so that the clamping structure and the clamped structure are separated from interference in the axial direction of the cleaning roller; the locking structure at the unlocking position enables the inner shifting fork to abut against the clamping structure, so that the clamping structure and the clamped structure are forced to interfere with each other in the axial direction of the cleaning roller.

Optionally, a return spring is further disposed on the end cap, and the return spring is used for keeping the locking structure at the locking position.

Optionally, an operating portion for a user to operate is disposed on a side of the locking structure away from the cleaning roller.

Optionally, a roller brush cavity is formed at each of the front end and the rear end of the machine body, one of the two roller brush cavities is used for placing the first cleaning roller, and the other of the two roller brush cavities is used for placing the second cleaning roller; each of the roller brush cavities has a circumferential opening allowing a portion of the circumferential surface of the cleaning roller therein to pass therethrough for cleaning a surface to be cleaned and an end opening capable of being covered by the end cap and allowing the first cleaning roller and the second cleaning roller to be withdrawn from the respective roller brush cavity.

Based on the foregoing description, it can be understood by those skilled in the art that, in the foregoing technical solution of the present disclosure, by detachably mounting the first cleaning roller and the second cleaning roller, which are parallel to each other, on the machine body along the axial direction thereof, and connecting the first cleaning roller and the second cleaning roller with the detachable end cover, respectively, the end cover can carry the first cleaning roller and the second cleaning roller to be detached from the machine body at the same time, so that the cumbersome operation of detaching the first cleaning roller and the second cleaning roller one by one is avoided, and the use experience of the user is improved. And because the first cleaning roller and the second cleaning roller are respectively detachably mounted on the machine body along the axial direction, the first cleaning roller and the second cleaning roller can be limited in the radial direction in the dismounting process, and the situation that the first cleaning roller and the second cleaning roller are laterally broken in the opposite direction can be at least avoided, so that the probability that the cleaning rollers and the machine body are damaged is reduced. As can also be understood by those skilled in the art, the operation of detaching the first cleaning roller and the second cleaning roller from the body by means of the end caps prevents the user from touching the cleaning rollers and getting dirty on both hands; further avoiding the situation that the sewage on the cleaning roller is squeezed out of the ground and the ground is polluted because the two hands of the user contact the cleaning roller.

Further, the end cover is detachably connected with the first cleaning roller and the second cleaning roller respectively, so that the first cleaning roller and the second cleaning roller which are separated from the machine body can be detached from the end cover, and a user can clean the first cleaning roller and the second cleaning roller respectively.

Further, by providing the engaging structure on the end cap, providing the engaged structure on the cleaning roller, and separating the engaging structure and the engaged structure from each other and interfering with each other in the axial direction, the cleaning roller can not only rotate freely but also be detached along with the end cap by the engaging structure and the engaged structure interfering with each other.

Further, by arranging a sliding locking structure on the end cover and arranging a locked structure on the machine body, the end cover can be fixed on the machine body through the locking structure and the locked structure; meanwhile, the locking structure is configured into a form capable of driving the clamping structure, so that a user can detach the end cover from the machine body only by operating the locking structure on the end cover, and the clamping structure is separated from the clamped structure to interfere with the end cover, so that the cleaning roller and the end cover are separated from each other, and the operation of the user is facilitated.

Drawings

Some embodiments of the disclosure are described below with reference to the accompanying drawings, in which:

FIG. 1 is an exploded view of a cleaning device according to a first embodiment of the present disclosure;

FIG. 2 is an exploded view (first isometric view) of the end cap of the cleaning device of FIG. 1;

FIG. 3 is an exploded view (second isometric view) of the end cap of the cleaning device of FIG. 1;

FIG. 4 is an isometric view of a cleaning device according to a first embodiment of the disclosure;

FIG. 5 is a partial cross-sectional view of the cleaning device of FIG. 4;

FIG. 6 isbase:Sub>A cross-sectional view of the cleaning device of FIG. 4 taken along the line A-A;

FIG. 7 is an exploded view of the end cap according to a second embodiment of the disclosure;

FIG. 8 is an exploded view of the end cap according to a third embodiment of the disclosure;

FIG. 9 is a side view of the end cap of FIG. 8 taken in direction B (with the locking structure in a locked position);

FIG. 10 is a side view of the end cap of FIG. 8 taken in the direction B (with the lock in an unlocked position);

FIG. 11 is an exploded view of the end cap according to a fourth embodiment of the disclosure;

FIG. 12 is a side view of the end cap of FIG. 11 taken along direction C (with the locking structure in the locked position);

figure 13 is a side view of the end cap of figure 11 taken along direction C (with the locking structure in an unlocked position).

Description of reference numerals:

1. a body; 11. a roller brush cavity; 12. a lock hole;

2. a motor;

3. a cleaning roller; 31. a motor accommodating cavity; 32. a mounting cavity; 33. a bearing seat; 34. a bearing; 35. a circular ring;

4. an end cap; 41. an outer cover; 411. a first operation hole; 412. a second operation hole; 42. an inner cover; 421. a first through hole; 422. a second through hole; 423. a limiting plate; 424. a bearing housing; 43. a locking structure; 431. a latch hook; 432. an operation section; 433. an outer shifting fork; 434. an inner shifting fork; 44. a return spring; 45. a hook is clamped;

5. a handle bar.

Detailed Description

It should be understood by those skilled in the art that the embodiments described below are only a part of the embodiments of the present disclosure, not all of the embodiments of the present disclosure, and the part of the embodiments are intended to explain the technical principles of the present disclosure and not to limit the scope of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments provided in the present disclosure without inventive step, shall fall within the scope of protection of the present disclosure.

It should be noted that in the description of the present disclosure, the terms "center", "upper", "lower", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present disclosure, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meaning of the above terms in the present disclosure can be understood by those skilled in the art as appropriate.

The surface cleaning device comprises a machine body and cleaning rollers, wherein the cleaning rollers comprise a first cleaning roller and a second cleaning roller which are parallel, and the first cleaning roller and the second cleaning roller are detachably arranged on the machine body along the axial direction of the first cleaning roller and the second cleaning roller respectively; the surface cleaning apparatus further includes an end cap removably coupled to the body, the end cap further coupled to the first cleaning roller and the second cleaning roller, respectively, such that the end cap can carry the first cleaning roller and the second cleaning roller while being removed from the body.

As can be understood by those skilled in the art, the surface cleaning device of the present disclosure enables the first cleaning roller and the second cleaning roller, which are parallel to each other, to be detachably mounted to the machine body along the axial direction of the first cleaning roller and the second cleaning roller, respectively, and enables the first cleaning roller and the second cleaning roller to be detachably connected to the detachable end cover, so that the end cover can carry the first cleaning roller and the second cleaning roller to be simultaneously detached from the machine body, thereby avoiding the tedious operation when the first cleaning roller and the second cleaning roller are detached one by one, and improving the user experience. And because the first cleaning roller and the second cleaning roller are respectively detachably mounted on the machine body along the axial direction, the first cleaning roller and the second cleaning roller can be limited in the radial direction in the dismounting process, and the situation that the first cleaning roller and the second cleaning roller are laterally broken in the opposite direction can be at least avoided, so that the probability that the cleaning rollers and the machine body are damaged is reduced. As can also be understood by those skilled in the art, the operation of detaching the first cleaning roller and the second cleaning roller from the body by means of the end caps prevents the user from touching the cleaning rollers and getting dirty on both hands; and further avoid the situation that the sewage on the cleaning roller is extruded to the ground and the ground is polluted because the two hands of the user contact the cleaning roller.

Further, it should be noted that the cleaning device of the present disclosure may be a hand-held scrub roller device, such as a hand-held scrubber, or the like, with a wand and manually operated by a user. The cleaning device of the present disclosure may also be a cleaning robot having driving wheels, which can control the driving wheels to travel according to a program stored in the cleaning robot and control the cleaning roller to clean the floor.

The surface cleaning apparatus of the present disclosure will now be described in detail with reference to fig. 1 to 13, taking a hand-held surface cleaning roller apparatus as an example.

In a first embodiment of the present disclosure:

as shown in fig. 1, the surface cleaning apparatus of the present embodiment includes a body 1, a motor 2, a cleaning roller 3, an end cap 4, and a handle 5. Wherein, the number of the motors 2 is two, and the two motors 2 are respectively arranged at the front side and the rear side of the machine body 1. Each motor 2 is sleeved with a cleaning roller 3, so that the motor 2 can drive the cleaning roller 3 to rotate, and the surface to be cleaned is cleaned. Each of the scrub rollers 3 is also connected to an end cap 4, respectively, which allows each of the scrub rollers 3 to rotate freely about its own axis, and which also fixedly connects each of the scrub rollers 3 to the end cap 4 in its own axial direction. The end cover 4 is positioned on one side of the machine body 1 far away from the motor 2 and is detachably connected with the machine body 1. A lever 5 is pivotally connected to the body 1, the lever 5 being adapted to be held by a user and to allow the user to change the inclined position of the lever 5 during operation of the surface cleaning apparatus.

As can be understood by those skilled in the art, the cleaning rollers 3 are detachably connected with the motor 2, are rotatably connected with the end covers 4 in the circumferential direction, and are fixedly connected with the end covers 4 in the axial direction, so that the two cleaning rollers 3 can be detached from the machine body 1 along with the end covers 4, the tedious operation of detaching the two cleaning rollers 3 one by a user is avoided, and the use experience of the user is improved.

As shown in fig. 1, a roller brush chamber 1111 is formed at front and rear ends of the machine body 1, and each roller brush chamber 11 accommodates a motor 2 and a cleaning roller 3. In other words, one of the two brush cavities 11 is used for placing a first cleaning roller, and the other of the two brush cavities 11 is used for placing a second cleaning roller. Further, each of the roller brush chambers 11 has a circumferential opening (not labeled in the drawings) that allows a portion of the circumferential surface of the cleaning roller 3 therein to pass therethrough for cleaning a surface to be cleaned (e.g., floor, carpet, sofa, etc.), and an end opening (not labeled in the drawings) that can be covered by the end cap 4 and allows the first cleaning roller and the second cleaning roller to be withdrawn from the respective roller brush chambers 11.

With continued reference to fig. 1, the end of the machine body 1 away from the motor 2 (the end close to the end opening) is provided with a lock hole 12 as a locked structure, and the lock hole 12 matches with a locked structure 43 (shown in fig. 2 and 3) on the cover body 4, so that the end cover 4 is fixed to the machine body 1 through the lock hole 12 and the locked structure 43 which are matched together.

Continuing to refer to fig. 1, one end of the casing of the motor 2 away from the rotating shaft is fixedly connected with the machine body 1, and optionally, a motor mounting seat is arranged on the machine body 1, and the motor 2 is fixedly connected with the motor mounting seat. Further, a cross-shaped clamping piece (not marked in the figure) matched with the cleaning roller 2 is arranged on the rotating shaft of the motor 2, and the rotating shaft of the motor 2 is circumferentially fixed with the cleaning roller 2 through the cross-shaped clamping piece. In addition, the cross-shaped clamping member can be set to any other feasible clamping structure by those skilled in the art, such as a triangular clamping structure, a Y-shaped clamping structure, a rectangular clamping structure, etc., as required.

Further, although not shown in the drawings, an end of the cleaning roller 3 remote from the cover 4 is rotatably inserted into a housing or a motor mount of the motor 2 by means of a bearing.

With reference to fig. 1, the cleaning roller 3 is provided with a motor accommodating cavity 31 for accommodating the motor 2, an installation cavity 32 opposite to the motor accommodating cavity 31, a bearing seat 33 arranged in the installation cavity 32, a bearing 34 sleeved on the bearing seat 33, and a ring 35 abutting against a side wall of the installation cavity 32. The scrub roller 3 is rotatably connected to the end cap 4 by a bearing 34. Further, the ring 35 is used as a clamped structure of the cleaning roller 3 and is hooked with a hook 45 (shown in fig. 2) which is used as a clamping structure on the end cover 4; in short, the cleaning roller 3 is fixed together with the end cap 4 in the axial direction by the ring 35 and the hook 45. It should be noted that the fixed connection in the axial direction may allow the ring 35 and the hook 45 to float in the axial direction.

Furthermore, the ring 35 can be provided in any other feasible structure, such as a plurality of protrusions distributed on the side wall of the mounting cavity 32 at equal intervals along the circumferential direction of the scrub roller 3, as required by those skilled in the art, provided that the scrub roller 3 can be fixed together with the end cap 4 along the axial direction.

As shown in fig. 2 and 3, the end cap 4 mainly includes an outer side cap 41, an inner side cap 42, a locking structure 43, a return spring 44, and a hook 45. Wherein the outer cover 41 and the inner cover 42 sandwich the latch 43 and the return spring 44, and the hook 45 is provided on the outer cover 41 and passes through the inner cover 42. The end cap 4 is locked to the body 1 by a locking structure 43, the locking structure 43 is held in the locking position by a return spring 44, and is fixedly connected with the ring 35 and the cleaning roller 3 in the axial direction by a hook 45.

With continued reference to fig. 2 and 3, the outer cover 41 is provided with a first operation hole 411 corresponding to the locking structure 43 and a second operation hole 412 corresponding to the hook 45. So that the user can press the two locking structures 43 towards the middle through the two first operation holes 411 to unlock the locking structures 43 from the machine body 1; and the user can press the two hooks 45 inwards through the second operation hole 412, so that the radial size of the hooks 45 is reduced, the outer diameter of the hooks 45 is smaller than the inner diameter of the circular ring 35, and the hooks 45 can be pulled out of the circular ring 35.

The operation of pressing the two hooks 45 inward through the second operation hole 412 may be performed by a user with or without a tool. If the user needs to use a tool to perform the operation, the user may insert a screwdriver or the like into the second operation hole 412 to force the two hooks 45 to be inwardly gathered. If the user can do this without the aid of tools, the second operation hole 412 needs to be made large enough so that the second operation hole 412 can allow the user's finger to pass through, pressing the two hooks 45 inward.

With reference to fig. 2 and 3, the inner cover 42 is provided with a first through hole 421, a second through hole 422, a limiting plate 423 and a bearing housing 424. Wherein the first through hole 421 allows the latch hook 431 of the locking structure 43 to pass through; the second through hole 422 allows the hook 45 to pass through; the stopper plate 423 serves to guide the sliding of the lock structure 43 and prevent the lock structure 43 from moving in a direction perpendicular to the sliding thereof. After the end cap 4 is fixed with the machine body 1, the bearing housing 424 is fitted over the outside of the bearing 34, thereby supporting the cleaning roller 3 in the radial direction.

With continued reference to fig. 2 and 3, the two latches 43 are provided, and the two latches 43 are oppositely disposed between the outer cover 41 and the inner cover 42. The two ends of the return spring 44 respectively abut against the two latches 43, so that the return spring 44 provides a force to move the two latches 43 away from each other. Further, each of the latch structures 43 includes a latch hook 431 and an operating portion 432. The locking hook 431 is matched with the locking hole 12 on the machine body 1 and used for locking the end cover 4 to the machine body 1; the operating part 432 is aligned with the first operating hole 411 of the outer cover 41 so that the user can put a finger through the first operating hole 411 and into the operating part 432 to approach the two latch structures 43 against the elastic force of the return spring 4 so that the two latch hooks 431 can be withdrawn from the latch hole 12.

As shown in fig. 3, the hooks 45 have two pairs in total, the hooks of each pair of hooks 45 are located on the outer side, and each pair of hooks 45 is oppositely disposed on the outer side of the bearing housing 424.

As shown in fig. 4 to 6, in the assembled state of the surface cleaning apparatus, the locking hook 432 on the end cap 4 passes through the locking hole 12 and hooks the machine body 1, thereby fixing the end cap 4 and the machine body 1 together. The cleaning roller 3 is plugged into the motor 2 via the motor receiving chamber 31 and is sleeved with the bearing sleeve 424 on the end cover 4 via the bearing 34, so that the cleaning roller 3 is supported by the motor 2 and the end cover 4 in the radial direction. The hook 45 is not in contact with the side wall of the mounting cavity 32, the bearing seat 33 and the circular ring 35, so that resistance is prevented from being brought to the cleaning roller 3 when the cleaning roller 3 rotates by the hook 45. Further, in the axial direction of the cleaning roller 3, an end of the hook 45 away from the outer cover 41 (i.e., a hook or a lateral portion of the hook 45) is located between the bearing housing 33 and the ring 35, and interferes with the ring 35. So that in the process of detaching the end cover 4 from the machine body 1, the end cover 4 hooks the circular ring 35 on the cleaning roller 3 through the clamping hook 45, and the cleaning roller 3 is detached from the machine body 1 together.

The following describes in detail the removal and mounting process of the cleaning roller 3 with reference to fig. 3, 5 and 6.

In the process of detaching the cleaning roller 3, a user first inserts a finger into the first operation hole 411 of the end cover 4 and inserts the finger into the operation portion 432 of the locking structure 43, and then presses the two locking structures 43 inward to move the locking structures 43 from the locking position shown in fig. 6 to the unlocking position toward the middle, so that the locking hooks 431 of the locking structures 43 are separated from the machine body 1 in the axial direction of the cleaning roller 3. The end cap 4 is now unlocked from the body 1. The user then separates the end cap 4 from the body 1 in the axial direction of the scrub roller 1. In the process that the end cover 4 is far away from the machine body 1, the end cover 4 can hook the end surface of the circular ring 35 through the clamping hook 45, so that the two cleaning rollers 3 are driven to be detached from the machine body 1 together.

Then, the user presses the hook 45 again to cause the hook 45 to disengage from the annular ring 35 in the axial direction of the cleaning roller 3, thereby extracting the hook 45 from the cleaning roller 3. The cleaning roller 3 is now completely detached from the end cap 4.

In the process of installing the cleaning roller 3 and the end cover 4, a user firstly plugs the cleaning roller 3 and the motor 2 together, and then installs the end cover 4 on the machine body 1. When the end cover 4 is installed on the machine body 1, the bearing sleeve 424 on the end cover 4 is sleeved with the bearing 34 on the cleaning roller 3; the hook of the hook 45 on the end cap 4 will be inserted into the side of the ring 35 adjacent the bearing seat 33 as shown in figure 5.

Based on the foregoing description, as can be understood by those skilled in the art, in this embodiment, through the cooperation of the hook 45 and the circular ring 35, the cleaning roller 3 can both rotate freely relative to the end cover 4 and be detached from the machine body 1 along with the end cover 4, so that the tedious operation of detaching the cleaning roller 3 from the machine body 1 one by a user is avoided, and the use experience of the user is optimized.

Further, by making the side wall of the roller brush chamber 11 half-surround the cleaning roller 3 as shown in fig. 1, the degree of freedom of the cleaning roller 3 in the up-down direction of the machine body 1 is restricted; meanwhile, because both ends of each cleaning roller 3 are respectively connected with the motor 2 and the end cover 4, the freedom of the cleaning roller 3 in the left and right directions of the machine body 1 is limited under the action of the motor 2 and the end cover 4. Therefore, the surface cleaning apparatus of the present embodiment can also avoid the situation where the cleaning roller 3 is laterally broken by the user during the process of being detached, thereby avoiding the situation where the motor 2 is damaged due to the cleaning roller 3 being laterally broken.

In a second embodiment of the disclosure:

as shown in fig. 7, the hook 45 of the present embodiment is provided on the inner cover 42, as compared with the first embodiment. Since the present embodiment has the same technical effects as the first embodiment, it will not be described herein too much.

In a third embodiment of the present disclosure:

as shown in fig. 8 to 10, compared with the first embodiment, the end of the locking structure 43 of the end cap 4 of the present embodiment close to the hook 45 is further provided with an outer shift fork 433, and the locking structure 43 of the present embodiment can force the hook 45 to deform inward along the radial direction of the bearing sleeve 424 through the outer shift fork 433, so that the outer diameter of the hook 45 is smaller than the inner diameter of the ring 35 on the cleaning roller 3, and the hook 45 can be pulled out from the cleaning roller 3. In other words, before the hook 45 is acted upon by the outer fork 433, the outer diameter of the hook 45 is larger than the inner diameter of the ring 35 on the cleaning roller 3; after the hook 45 is acted on by the outer fork 433, the outer diameter of the hook 45 is smaller than the inner diameter of the ring 35 on the cleaning roller 3.

As shown in fig. 9 and 10, in a state where the cover 4 is assembled, the hook 45 is positioned inside the outer fork 433.

Note that the inner cover 42 is not shown in fig. 9 and 10, and the double-dashed circle on the left side is used to indicate the ring 35 in the cleaning roller 3. Also, the lock 43 shown in fig. 9 is in the locked position and the lock 43 shown in fig. 10 is in the unlocked position.

The following describes in detail the process of detaching the end cap 4 and the cleaning roller 3 according to the present embodiment with reference to fig. 5, 6, 9 and 10.

First, the user presses the two locking structures 43 to disengage the locking hooks 431 of the locking structures 43 from the locking holes 12 of the housing 1. The end cap 4 is then pulled slightly outwardly and the latch 43 is released, allowing the latch 43 to return to the locked position under the influence of the return spring 44. Then, the user continues to pull the end cap 4 outward to make the hook 45 on the end cap 4 hook the ring 35 on the cleaning roller 3, and the cleaning roller 3 is pulled out from the machine body 1. Finally, the user presses the lock 43 again to change the lock 43 from the posture shown in fig. 9 to the posture shown in fig. 10. At this time, the hook 45 is disengaged from the ring 35, and the user can easily remove the cleaning roller 3 from the end cap 4.

It should be noted that, in order to implement the above-described process. The distance between the hook and the ring of the hook 45 shown in fig. 5 is greater than the depth of the hook 431 shown in fig. 6 inserted into the body 1.

In a fourth embodiment of the disclosure:

as shown in fig. 11 to 13, compared with the first embodiment, the end of the locking structure 43 of the end cap 4 of the embodiment close to the hook 45 is further provided with an inner shifting fork 434, the locking structure 43 of the embodiment can force the hook 45 to deform outwards along the radial direction of the bearing sleeve 424 through the inner shifting fork 434, so that the outer diameter of the hook 45 is larger than the inner diameter of the ring 35 on the cleaning roller 3, and the hook 45 hooks the ring 35 on the cleaning roller 3, so that the cleaning roller 3 can be detached from the machine body 1 along with the end cap 4. In other words, before the hook 45 is acted upon by the inner fork 434, the outer diameter of the hook 45 is smaller than the inner diameter of the ring 35 on the cleaning roller 3; after the hook 45 is acted upon by the inner fork 434, the outer diameter of the hook 45 is larger than the inner diameter of the ring 35 on the cleaning roller 3.

As shown in fig. 12 and 13, in a state where the cover 4 is assembled, the hook 45 is positioned inside the inner fork 434.

Note that the inner cover 42 is not shown in fig. 12 and 13, and the double-dashed circle on the left side is used to indicate the ring 35 in the cleaning roller 3. Also, the lock 43 shown in fig. 12 is in the locked position, and the lock 43 shown in fig. 13 is in the unlocked position.

The process of detaching the end cap 4 and the cleaning roller 3 according to the present embodiment will be described in detail with reference to fig. 5, 6, 12, and 13.

Firstly, a user presses the two locking structures 43 to make the locking hooks 431 of the locking structures 43 disengaged from the locking holes 12 on the machine body 1; meanwhile, the inner fork 434 forces the hook 45 to deform outward, so that the outer diameter of the hook 45 is larger than the inner diameter of the ring 35. The user then pulls the end cap 4 outwardly. In the process, the outer diameter of the hook 45 is larger than the inner diameter of the ring 35, so that the hook 45 hooks the ring 35, and the cleaning roller 3 can be detached from the machine body 1 along with the end cover 4. After the scrub roller 3 and the end cap 4 are removed from the body 1, the user releases the latch 43, allowing the latch 43 to return to the locked position under the action of the return spring 44. At this time, the user can easily remove the cleaning roller 3 from the end cap 4.

In a fifth embodiment of the present disclosure:

unlike any of the foregoing first to fourth embodiments, the number of the cleaning rollers 3 of the present embodiment may be at least three.

In a sixth embodiment of the present disclosure:

although not shown in the drawings, the motor 2 is one, unlike any of the first to fourth embodiments described above. Specifically, a rotatable mounting seat is respectively arranged at the front end and the rear end of the machine body 1, and the mounting seat is used for mounting and fixing one end of the cleaning roller 3 far away from the end cover 4. The motor 2 is fixedly connected with the machine body 1 and is in driving connection with the two mounting seats through a power transmission device. The power transmission device includes at least one of a belt, a chain, and a gear.

So far, the technical solutions of the present disclosure have been described in connection with the foregoing embodiments, but it is easily understood by those skilled in the art that the scope of the present disclosure is not limited to only these specific embodiments. The technical solutions in the above embodiments can be split and combined, and equivalent changes or substitutions can be made on related technical features by those skilled in the art without departing from the technical principles of the present disclosure, and any changes, equivalents, improvements, and the like made within the technical concept and/or technical principles of the present disclosure will fall within the protection scope of the present disclosure.

Claims (10)

1. A surface cleaning device comprises a machine body and a cleaning roller, wherein the cleaning roller comprises a first cleaning roller and a second cleaning roller which are parallel, and the surface cleaning device is characterized in that the first cleaning roller and the second cleaning roller are respectively and detachably arranged on the machine body along the axial direction of the first cleaning roller and the second cleaning roller;

the surface cleaning device also comprises an end cover which is detachably connected with the machine body, and the end cover is also respectively connected with the first cleaning roller and the second cleaning roller, so that the end cover can carry the first cleaning roller and the second cleaning roller to be simultaneously detached from the machine body.

2. The surface cleaning apparatus of claim 1 wherein the end cap is removably connected to each of the first and second cleaning rollers to enable the first and second cleaning rollers to be removed from the end cap.

3. A surface cleaning apparatus as claimed in claim 2, characterised in that the end cap is provided with a snap-fit formation,

the ends of the first cleaning roller and the second cleaning roller opposite to the end covers are respectively provided with an installation cavity, an engaged structure is arranged in the installation cavity,

the clamping structure and the clamped structure are separated from each other so as to allow the cleaning roller to rotate freely;

the clamping structure and the clamped structure can also interfere with each other in the axial direction of the cleaning roller, so that the end cover is simultaneously detached from the machine body by the interference clamping structure and the clamped structure carrying the first cleaning roller and the second cleaning roller.

4. A surface cleaning apparatus as claimed in claim 3, characterised in that the structure to be snapped in is an annular ring provided on the circumferential wall of the mounting chamber.

5. A surface cleaning apparatus as claimed in claim 3, characterised in that a sliding lock is provided on the end cap and a locked structure is provided on the body, the lock mating with the locked structure to lock the end cap to the body;

the locking structure is also configured to drive the engaging structure so that the engaging structure and the engaged structure are out of interference or interfere with each other in the axial direction of the cleaning roller.

6. A surface cleaning apparatus as claimed in claim 5, characterised in that the end of the locking formation adjacent the cleaning roller is provided with an external fork,

the locking structure at the locking position enables the outer shifting fork to be separated from the clamping structure, so that the clamping structure and the clamped structure are interfered with each other in the axial direction of the cleaning roller;

the locking structure at the unlocking position enables the outer shifting fork to be abutted to the clamping structure so as to force the clamping structure to be separated from the clamped structure in the axial direction of the cleaning roller.

7. A surface cleaning apparatus as claimed in claim 5, characterised in that the end of the locking formation adjacent the cleaning roller is provided with an internal shift fork,

the locking structure at the locking position enables the inner shifting fork to be separated from the clamping structure, so that the clamping structure and the clamped structure are separated from interference in the axial direction of the cleaning roller;

the locking structure at the unlocking position enables the inner shifting fork to abut against the clamping structure, so that the clamping structure and the clamped structure are forced to interfere with each other in the axial direction of the cleaning roller.

8. A surface cleaning apparatus as claimed in claim 6 or claim 7, characterised in that a return spring is provided on the end cap for retaining the latch in the locked position.

9. A surface cleaning apparatus as claimed in any one of claims 5 to 7, characterised in that a side of the locking formation remote from the cleaning roller is provided with an operating portion for user operation.

10. The surface cleaning apparatus according to any one of claims 1 to 7, wherein a roller brush chamber is formed at each of front and rear ends of the body, one of the two roller brush chambers being for receiving the first cleaning roller and the other of the two roller brush chambers being for receiving the second cleaning roller;

each of the brush chambers has a circumferential opening allowing a portion of the circumferential surface of the cleaning roller therein to pass therethrough for cleaning a surface to be cleaned and an end opening capable of being covered by the end cap and allowing the first and second cleaning rollers to be withdrawn from the respective brush chambers.

Images