CN220309087U - Annular cleaning belt for surface cleaning device and surface cleaning device - Google Patents

Abstract

The utility model discloses an annular cleaning belt for a surface cleaning device and the surface cleaning device, and belongs to the technical field of cleaning equipment. The first sewing thread is utilized to fix the splicing edge of the mop, so that the situation that the splicing edge of the mop is loose and even turned up due to stress is avoided, and further, the situation that the splicing edge of the mop is loose or turned up due to scraping of the scraping strip and friction of a surface to be cleaned, which causes the splicing seam to be enlarged, is avoided, the cleaning effect of the mop is ensured, and the use experience of a user is improved. The first sewing thread is prevented from rubbing between the annular cleaning belt and the roller body when the annular cleaning belt moves relative to the roller body, so that the situation that the first sewing thread is broken is avoided, and the structural stability that the splicing edges of the mop are sewn together through the first sewing thread is ensured.

Description

Annular cleaning belt for surface cleaning device and surface cleaning device

Technical Field

The utility model relates to the technical field of cleaning equipment, in particular to an annular cleaning belt for a surface cleaning device, and also provides the surface cleaning device adopting the annular cleaning belt.

Background

In recent years, some cleaning devices are widely applied to daily life of people, and various cleaning devices bring great convenience to the life of people, so that living experience of people is improved. The existing surface cleaning machine generally comprises a machine body, a floor brush, a water supply assembly and a dirt collecting assembly, wherein a cleaning piece driven by a motor is arranged in the floor brush, the cleaning piece generally comprises a support, a roll shaft arranged on the support, and an annular cleaning belt sleeved on the periphery of the roll shaft, and the motor drives the roll shaft to rotate so as to drive the cleaning belt to rotate to wipe the ground. Referring to fig. 1, a conventional endless cleaning belt generally comprises a supporting base material 11 and a mop cloth 12 wound around the outer periphery of the base material, wherein the mop cloth 12 is generally formed by integrally spreading cloth and connecting the cloth end to end through an adhesive member, and a long gap is formed at the connecting position. In the working process of the handheld surface cleaning machine, the scraping strip is required to be propped against the mop to scrape dirt on the mop, and the mop is required to wipe the surface to be cleaned, so that the edge of the mop, which is close to the gap, is easy to turn up and even tear, the gap is enlarged, and the dirt easily enters the gap, so that the cleaning effect is not guaranteed.

Disclosure of Invention

In order to solve the defects and shortcomings in the prior art, the utility model provides the annular cleaning belt for the surface cleaning device, wherein the first sewing thread is arranged at the splicing seam of the mop, and the situation that the edge of the mop is turned up is avoided through the first sewing thread, so that the expansion of the splicing seam is avoided, and a good cleaning effect is ensured.

In order to achieve the technical purpose, the annular cleaning belt for the surface cleaning device is provided with the mop which is spliced on the outer surface of the base material to form the annular mop, and the splicing seam of the mop is provided with the first sewing thread which is positioned on the outer side of the base material.

Preferably, the first seam line is located on the swab.

Preferably, the annular cleaning belt further comprises a connecting piece arranged between the base material and the mop cloth, and the connecting piece is arranged corresponding to the splicing seam.

Preferably, the first seam line is located on the attachment member and the mop swab.

Preferably, the periphery of the connecting piece is provided with a second seam.

Preferably, the stitch length of the first suture is greater than the stitch length of the second suture.

Preferably, the first seam line includes a first wiring line and a second wiring line, the first wiring line is disposed along a length direction of the splice seam, one end of the second wiring line is connected to the first wiring line, and the other end extends toward both sides of the first wiring line.

Preferably, the extending directions of the adjacent two second wirings are opposite.

Preferably, the splicing seams of the mop are arranged along the axial direction of the annular cleaning belt; alternatively, the mop cloth is spirally arranged on the outer surface of the base material.

The utility model also provides a surface cleaning device, which comprises a ground brush provided with a cleaning piece and a scraping strip, wherein the cleaning piece comprises a supporting frame, a driving roller, a driven roller and the annular cleaning belt, the driving roller and the driven roller are arranged at intervals front and back through the supporting frame, the annular cleaning belt is sleeved outside the driving roller and the driven roller, and the front end of the scraping strip is in interference collision with a mop of the annular cleaning belt.

After the technical scheme is adopted, the utility model has the following advantages:

1. according to the annular cleaning belt provided by the utility model, the mop is wound on the outer surface of the base material in a splicing manner, the first sewing thread is arranged at the splicing seam of the mop, the splicing edge of the mop is stressed and fixed by utilizing the first sewing thread, the situation that the splicing edge of the mop is loose or even turned up due to stress is avoided, the situation that the splicing edge of the mop is loose or turned up due to scraping of the scraping strip and friction of the surface to be cleaned, and the splicing seam is enlarged is avoided, the cleaning effect of the mop is ensured, and the use experience of a user is improved. In addition, because the first sewing thread is located the outside of substrate, the first sewing thread does not pass the substrate, and when the outside of roll body is located to annular cleaning belt cover and can be for the roll body motion, first sewing thread does not directly contact with the roll body under the isolation effect of substrate, can avoid first sewing thread to take place the friction when annular cleaning belt moves for the roll body with the roll body between to avoid first sewing thread to be worn out the condition because of frequent and roll body contact friction, guarantee the concatenation edge of mop and stitch together through first sewing thread structural stability.

2. The first sewing thread is positioned on the mop, so that the first sewing thread can directly fix the splicing edge of the mop, and the fixed connection strength of the splicing edge of the mop can be enhanced, thereby avoiding the situation that the splicing edge of the mop is loosened and turned over due to the scraping of the scraping strip and the friction of the surface to be cleaned, and ensuring the structural stability of the mop.

3. The connecting piece is arranged between the base material and the mop, and the fixed connection strength between the splicing edges of the mop can be further enhanced through the connecting piece, so that the splicing edges of the mop are prevented from loosening and flanging due to scraping of the scraping strip and friction of the surface to be cleaned. Furthermore, as the connecting piece corresponds to the splicing seam, the connecting piece plays a role in blocking dirt entering the splicing seam, so that the dirt can be prevented from entering between the base material and the inner surface of the mop, and the annular cleaning belt can be kept clean.

4. The first sewing thread is positioned on the connecting piece and the mop, and the fixed connection strength between the splicing edges of the mop can be further increased through the matching of the connecting piece and the first sewing thread, so that the structural stability of the mop is further improved, and the splicing edges of the mop are prevented from loosening or flanging due to the scraping of the scraping strip and the friction of the surface to be cleaned.

5. The second seam is set up along the week of connecting piece, can improve the structural stability of connecting piece circumference border department through the second seam, avoids the yarn of connecting piece circumference border department to produce the condition of sliding because of the atress, makes the connecting piece can keep structural integrity to make first seam can keep structural stability, guarantee the joint strength between the concatenation edge at mop both ends.

6. The stitch length of the first thread is larger than that of the second thread, the stitch length of the second thread is denser, the second thread with denser stitch length can feel finer tearing of the mop, when the mop is scratched by the scraping strip and rubs on a surface to be cleaned, the second thread is firstly subjected to tearing tension force and the tension force is larger than that of the first thread, the tension force to which the first thread is subjected is smaller, deformation of the first thread is smaller, and as the first thread is used for fixing two ends of the mop and the middle part of the connecting piece, deformation of the two ends of the mop and the center part of the connecting piece is smaller, and connection strength between the connecting piece and the spliced edge of the mop can be guaranteed.

7. The first wiring sets up along splice seam direction, and second wiring one end is connected with first wiring, and the other end extends towards the both sides of first wiring for partly second wiring passes the concatenation edge of mop one side, and the concatenation edge of mop opposite side is passed to another part second wiring, utilizes two parts second wiring and first wiring that the orientation is different to stitch together the concatenation edge of mop, guarantees the concatenation stability of mop.

8. The extending directions of the two adjacent second wiring lines are opposite, the splicing edges of the mop can be uniformly and fixedly connected along the axial direction by the aid of the second wiring lines, the mop is balanced and uniform in stress, partial splicing seams are prevented from being enlarged due to uneven stress of the splicing edges of the mop, and the structural stability of the mop is further improved.

9. The splice seam can be arranged along the axial direction of the annular cleaning belt, which is beneficial to reducing the difficulty of the structure of the mop wound on the base material. Furthermore, the length of the splice seam can be shortest and be in a straight line through the axial arrangement of the splice seam along the annular cleaning belt, and the difficulty of fixing and splicing two ends of the mop through the first sewing line can be reduced.

The mop also can be in the surface spiral setting of substrate, at this moment, and the splice also is the heliciform, because scrape the strip for substrate axial parallel arrangement, when scraping the mop, scrape the strip and only contradict with a certain position of splice, can reduce the area of contact between strip and the splice greatly to reduce the effort that the concatenation edge department of mop received greatly, and then avoid the concatenation edge of mop because scrape the strip scrape with wait that the friction of clean face produces pine takes off or turn-ups leads to the condition that the splice grow, guarantee the clean effect of mop.

10. The utility model also provides a surface cleaning device, the cleaning piece of the surface cleaning device adopts the annular cleaning belt, and as the first sewing line for fixedly sewing the mop is positioned at the outer side of the base material, the situation that the splicing edge of the mop is loose and even turned up due to stress can be avoided, the situation that the first sewing line is ground off due to frequent contact friction with a driving roller or a driven roller can also be avoided, the structural stability of the mop is ensured, the cleaning effect of the mop is ensured, and the use experience of a user is improved.

Drawings

FIG. 1 is a schematic view of a prior art substrate and mop at a splice;

FIG. 2 is a block diagram of an endless cleaning belt according to an embodiment I;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a partial cross-sectional view of an endless cleaning belt of an embodiment taken perpendicular to the axial direction;

FIG. 5 is a mating view of the mop swab, the attachment member, the first seam line and the second seam line in the endless cleaning belt according to the embodiment;

FIG. 6 is an enlarged view at B in FIG. 5

FIG. 7 is a complete view of a surface cleaning apparatus according to the first embodiment;

FIG. 8 is a front-rear sectional view of a cleaning member, a floor brush, and a front cover assembly of a surface cleaning apparatus according to an embodiment;

FIG. 9 is an exploded view of a cleaning element, brush, and front cover assembly of a surface cleaning apparatus according to an embodiment;

FIG. 10 is a partial cross-sectional view of the endless cleaning belt of the embodiment two, taken perpendicular to the axial direction;

FIG. 11 is a schematic diagram of another embodiment;

fig. 12 is a structural view of an endless cleaning belt in the three-surface cleaning apparatus of the embodiment.

In the figure, 100-cleaning elements, 10-endless cleaning belt, 110-substrate, 120-mop, 121-splice, 130-first seam, 131-first wiring, 132-second wiring, 140-connector, 150-second seam, 160-driving roller, 170-driven roller, 180-support frame, 200-floor brush, 211-upper housing, 212-lower housing, 220-scraper bar, 230-dirt inlet, 240-floor scraper, 250-drive head, 300-front cover assembly, 400-fuselage, 500-handle.

Detailed Description

The utility model will be further described with reference to the drawings and the specific examples. It is to be understood that the terms "upper," "lower," "left," "right," "longitudinal," "transverse," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like, as used herein, are merely based on the orientation or positional relationship shown in the drawings and are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the devices/elements referred to must have or be configured and operated in a particular orientation and therefore should not be construed as limiting the utility model.

It should be noted that, the surface cleaning apparatus in the embodiment of the present utility model may be a hand-held cleaner with a handle and manually operated by a user, such as a hand-held floor scrubber, a hand-held floor cleaner, a hand-held cleaner, etc.; there may be a cleaning robot having a driving wheel capable of controlling the driving wheel to travel according to a program stored in itself and controlling the cleaning roller to clean the floor. The utility model will be further described with reference to the accompanying drawings and specific embodiments using a hand-held surface cleaning apparatus as an example.

Example 1

Referring to fig. 2 to 6, an endless cleaning belt 10 for a surface cleaning apparatus according to a first embodiment of the present utility model includes a base 110 and a mop 120, the mop 120 is spliced on an outer surface of the base 110 to form the endless mop 120, and a first sewing thread 130 is disposed at a splicing seam 121 of the mop 120, and the first sewing thread 130 is located on an outer side of the base 110.

The first sewing line 130 is arranged at the splicing seam 121 of the mop 120, the splicing edge of the mop 120 is fixed by the first sewing line 130, the situation that the splicing edge of the mop 120 is loose and even turned up due to stress is avoided, and further the situation that the splicing edge of the mop 120 is loose or turned up due to scraping of the scraping strip and friction of a surface to be cleaned, which causes the splicing seam to be enlarged, is avoided, the cleaning effect of the mop 120 is ensured, and the use experience of a user is improved. Because the first sewing thread 130 is located at the outer side of the base material 10, the first sewing thread 130 does not pass through the base material 110, when the annular cleaning belt 10 is sleeved outside the roller body and can move relative to the roller body, the first sewing thread 130 is not in direct contact with the roller body under the isolation action of the base material 110, and friction between the first sewing thread 130 and the roller body when the annular cleaning belt 10 moves relative to the roller body can be avoided, so that the situation that the first sewing thread 130 is worn off due to frequent contact friction with the roller body is avoided, and the structural stability of the mop 120 sewn together through the first sewing thread is ensured.

In this embodiment, the mop 120 before being spliced is rectangular and block-shaped, the front end and the rear end of the mop 120 are fixedly sewn through the first sewing thread 130, the splice seam 121 is long-strip-shaped and extends along the axial direction of the annular cleaning belt 10, which is favorable for reducing the structural difficulty of the mop 120 around the base material 110, and furthermore, the splice seam 121 extends along the axial direction of the annular cleaning belt 10, so that the length of the splice seam 121 is shortest and is in a straight line, and the difficulty of fixing the two ends of the spliced mop 120 through the first sewing thread 130 can be reduced. Specifically, the mops 120 are glued to the outer surface of the substrate 110 after the splice is completed to form the endless cleaning belt 10.

Referring to figures 3, 4, 5 and 6, the endless cleaning belt 10 further comprises a connecting member 140 arranged between the base 110 and the mop cloth 120 and corresponding to the splice joint 121. The fixing connection strength between the splicing edges of the front end and the rear end of the mop cloth 120 can be further enhanced through the connecting piece 140, so that the splicing edges of the mop cloth 120 are prevented from loosening and flanging due to scraping of the scraping strip and friction of the surface to be cleaned. Furthermore, since the connecting member 140 corresponds to the splice joint 121, the connecting member 140 serves as a barrier to dirt entering the splice joint 121, so that dirt is prevented from entering between the base material 110 and the inner surface of the mop cloth 120, and the endless cleaning belt 10 is kept clean. In this embodiment, the connecting member 140 has a strip shape, a part of the connecting member 140 is located between the front edge of the mop cloth 120 and the base material 110, another part of the connecting member 140 is located between the rear edge of the mop cloth 120 and the base material 110, and the first sewing thread 130 is located between the connecting member 140 and the mop cloth 120. It should be noted that the non-attachment between the base material 110 and the mop cloth 120 and/or the attachment member 140 in fig. 4 is merely to illustrate the positions of the stitching lines, and as described above, the adhesive attachment between the endless cleaning belt 10 and the base material 110, between the endless cleaning belt 10 and the attachment member 140, and between the attachment member 140 and the base material 110 is performed.

Referring to fig. 5, in the present embodiment, the first seam line 130 includes a first wiring line 131 and a second wiring line 132, the first wiring line 131 is disposed along the length direction of the splice joint 121, one end of the second wiring line 132 is connected to the first wiring line 131, and the other end extends toward both sides of the first wiring line 131. Specifically, the first wiring 131 is sewn to the connecting member 140, and a part of the second wiring 132 extends toward the leading edge of the mop 120 and is sewn to the leading edge of the mop 120, and another part of the second wiring 132 extends toward the trailing edge of the mop 120 and is sewn to the trailing edge of the mop 120. The splicing edges at the two ends of the mop cloth 120 are stitched together by the cooperation of the second wiring 132 and the first wiring 131 which are oriented in different directions, so that the splicing stability of the mop cloth 120 is ensured.

In order to make the splicing edges at the front end and the rear end of the mop 120 be uniformly and fixedly connected along the axial direction so as to ensure that the stress at the two ends of the mop 120 is balanced and uniform, in this embodiment, the extending direction of the second wires 132 is preferably perpendicular to the extending direction of the first wires 131, and the extending directions of two adjacent second wires 132 are opposite, that is, the second wires passing through the front end edge of the mop 120 and the second wires passing through the rear end edge of the mop 120 are arranged at intervals along the length direction of the splicing seam 121.

In connection with fig. 6, in order to ensure the structural stability of the connecting member 140, the second seam line 150 is disposed at the circumferential edge of the connecting member 140, so that the structural stability of the circumferential edge of the connecting member 140 can be improved by the second seam line 150, and the situation that yarns at the circumferential edge of the connecting member 140 slide due to stress is avoided, so that the connecting member 140 can keep the structure intact, the first seam line 130 can keep the structure stable, and the connection strength between the spliced edges at two ends of the mop 120 is ensured. In this embodiment, the stitch length of the second stitch line 150 is smaller than that of the first stitch line 130, that is, the second stitch line 150 is more compact than the first stitch line 130, the second stitch line 150 with a denser stitch length can feel finer tearing of the mop cloth 120, and the tearing force born by the first stitch line 130 can be reduced, which is beneficial to improving the connection strength between the connecting piece 140 and the splicing edges at two ends of the mop cloth 120. It will be appreciated that the second stitch 150 may be provided in a reasonable number of one, two, three, etc. turns circumferentially about the connector 140.

Referring to fig. 7, 8 and 9, in this embodiment, a surface cleaning apparatus is further provided, where the surface cleaning apparatus includes a cleaning member 100, a floor brush 200, a front cover assembly 300, a main body 400, and a handle 500, the bottom end of the main body 400 is hinged to the rear side of the floor brush 200, the handle 500 is disposed at the top end of the main body 400, the width direction of the floor brush 200 is set along the left-right direction, and the front cover assembly 300 is detachably fastened to the top side of the front portion of the floor brush 200. When the front cover assembly 300 is buckled and installed on the floor brush 200, the front cover assembly 300 and the floor brush 200 are matched to form a roller brush cavity for installing the cleaning member 100, and the cleaning member 100 is detachably installed at the roller brush cavity.

In this embodiment, the cleaning member 100 adopts a crawler-type mop structure, the cleaning member 100 includes the endless cleaning belt 10, the driving roller 160, the driven roller 170 and the supporting frame 180 described above, the driving roller 160 and the driven roller 170 are disposed at intervals parallel to each other through the supporting frame 180, the supporting frame 180 may adopt a retractable structure, and the endless cleaning belt 10 is detachably sleeved outside the driving roller 160 and the driven roller 170. The floor brush 200 is internally provided with a driving device for driving the cleaning member 100, the driving device comprises a motor, a reduction gearbox and a driving head 250, the motor is in transmission connection with an input shaft of the reduction gearbox, the driving head 250 is in transmission connection with an output shaft of the reduction gearbox, a driving roller 160 of the cleaning member 100 is provided with a transmission hole for the driving head 250 to be inserted, the motor drives the driving roller 160 to rotate through the reduction gearbox, the driving head 250 and the transmission Kong Qudong, and the driving roller 160 drives the annular cleaning belt 10 to move and drives the driven roller 170 to rotate in a following manner through the annular cleaning belt 10. It should be understood that the supporting frame 180 may be a fixed structure, and the specific structure of the cleaning member 100 is not limited to the crawler-type mop structure, but may be a single-roll brush structure or a double-roll brush structure, and the endless cleaning belt 10 is directly fixed to the outside of the roll body.

Referring to fig. 9, in this embodiment, the floor brush 200 includes an upper housing 211, a lower housing 212, a scraping bar 220, a dirt inlet 230, and a floor scraper 240, wherein the upper housing 211 and the lower housing 212 are fixed together and form a dirt inlet 230, and the dirt inlet 230 is disposed at the rear of the roller brush cavity and is communicated with the roller brush cavity. The scraping strip 220 is arranged on the front side of the floor brush 200 and above the dirt inlet 230, the front end of the scraping strip 220 stretches into the roller brush cavity and is in interference with the mop 120 of the cleaning piece 100 to scrape the mop 120, and the floor scraper 140 is arranged below the dirt inlet 230 and is in interference with the surface to be cleaned. The surface cleaning apparatus further comprises a liquid supply assembly and a dirt collecting assembly, wherein the liquid supply assembly is used for supplying liquid to the mop 120 so that the mop 120 can absorb liquid and wet, the dirt collecting assembly is used for collecting dirt at the bottom of the floor brush 200 and dirt scraped off by the scraping strip 220 of the mop 120 into a dirt collecting barrel, and the specific structure of the liquid supply assembly and the dirt collecting assembly is referred to the prior art and is not repeated herein.

In operation of the surface cleaning apparatus, the drive assembly drives the endless cleaning belt 10 via the drive roller 160 and the driven roller 170, the mop 120 absorbs liquid and wets and wipes the surface to be cleaned when the endless cleaning belt 10 moves, the scraping strip 220 scrapes the mop 120 of the endless cleaning belt 10 without affecting the normal movement of the endless cleaning belt 10, and the scraping strip 220 can scrape and clean the surface of the mop 120 and scrape dirt adsorbed on the mop 120. Because the front end and the rear end of the mop 120 are fixedly sewn together through the matching of the first sewing thread 130 and the connecting piece 140, the situation that the splicing edge of the mop 120 is loosened or turned up due to scraping of the scraping strip 220 and friction of the surface to be cleaned to cause the splicing seam to be enlarged can be avoided, and the structural stability of the mop 120 is ensured, so that the cleaning effect of the mop 120 is ensured, and the use experience of a user is improved.

It is understood that the substrate 110 may be a silicone layer or other material layer that meets the structural requirements.

Example two

In this embodiment, in conjunction with fig. 10, the setting of the connecting piece may be omitted, and the first sewing line 130 is directly disposed on the mop 120, that is, the front end and the rear end of the mop 120 are linearly fixed and sewn through the first sewing line 130, so that the strip-shaped mop 120 is wound around the outer surface of the base material 110 to form a ring-shaped mop. It will be appreciated that in order to increase the strength of the stitching of the swab 120, the edges of the swab 120 at the front and rear ends may be overlapped internally and externally, the first stitching 130 being preferably stitched to the overlapped portion.

As shown in fig. 11, in order to further increase the seaming strength of the mop swab 120, the front and rear ends of the mop swab 120 are fixedly seamed by the first seaming line 130 in a straight line, and then the connection member 140 is glued at the splice point, and then fixedly glued to the outer circumference of the base material 110.

Other structures of the second embodiment are the same as those of the first embodiment, and will not be described in detail here.

Example III

In connection with fig. 12, in this embodiment, the mop cloth 120 is spirally arranged on the outer surface of the base material 110, and correspondingly, the splice joint 121, the attachment member and the first wiring of the first sewing thread are also spirally arranged along the outer surface of the base material 110. Because the splice joint 121 is spiral, when the scraping strip scrapes the mop 120, the scraping strip only collides with a certain position of the splice joint 121, and the contact area between the scraping strip and the splice joint 121 can be greatly reduced, so that the acting force born by the splice edge of the mop 120 is greatly reduced, and further the situation that the splice joint is enlarged due to loosening or flanging caused by scraping of the scraping strip and friction of a surface to be cleaned is avoided, and the cleaning effect of the mop is ensured.

Other structures of the third embodiment are the same as those of the first embodiment, and will not be described in detail here.

It will be appreciated that the third embodiment may be combined with the second embodiment.

In addition to the above preferred embodiments, the present utility model has other embodiments, and various changes and modifications may be made by those skilled in the art without departing from the spirit of the utility model, which shall fall within the scope of the utility model as defined in the appended claims.

Claims (9)

1. An endless cleaning belt for a surface cleaning device, comprising a substrate and a mop, wherein the mop is spliced on the outer surface of the substrate to form an endless mop, and the endless cleaning belt is characterized in that a first sewing thread is arranged at a splicing seam of the mop, and the first sewing thread is positioned on the outer side of the substrate; the annular cleaning belt also comprises a connecting piece arranged between the base material and the mop cloth, and the connecting piece is arranged corresponding to the splice seam.

2. An endless cleaning belt for a surface cleaning apparatus as claimed in claim 1, wherein said first stitching is located on the mop swab.

3. An endless cleaning belt for a surface cleaning apparatus as claimed in claim 1 wherein the first stitching is located on the attachment member and mop swab.

4. An endless cleaning belt for a surface cleaning apparatus as claimed in claim 1, wherein the peripheral edge of said attachment member is provided with a second seam.

5. An endless cleaning belt for a surface cleaning apparatus as recited in claim 4 wherein the stitch length of said first stitch is greater than the stitch length of said second stitch.

6. An endless cleaning belt for a surface cleaning apparatus as claimed in claim 1, wherein said first sewing thread includes a first wiring and a second wiring, the first wiring being provided along a length direction of the splice, one end of the second wiring being connected to the first wiring, and the other end extending toward both sides of the first wiring.

7. An endless cleaning belt for a surface cleaning apparatus as claimed in claim 6, wherein the extending directions of adjacent two of said second wirings are opposite.

8. An endless cleaning belt for a surface cleaning apparatus as claimed in claim 1, wherein the splice seam of the mop is arranged in the axial direction of the endless cleaning belt; alternatively, the mop cloth is spirally arranged on the outer surface of the base material.

9. The surface cleaning device comprises a ground brush provided with a cleaning piece and a scraping strip, and is characterized in that the cleaning piece comprises a supporting frame, a driving roller, a driven roller and an annular cleaning belt for the surface cleaning device according to any one of claims 1-8, the driving roller and the driven roller are arranged at intervals in the front-back direction through the supporting frame, the annular cleaning belt is sleeved outside the driving roller and the driven roller, and the front end of the scraping strip is in interference with a mop of the annular cleaning belt.