CN217744264U - Ground brush bottom shell and floor washing machine - Google Patents

Abstract

A floor brush bottom shell and a floor washing machine relate to the technical field of cleaning equipment. The bottom shell of the floor brush comprises a shell, a scraping strip arranged at the bottom of the shell and a rear roller arranged at the rear end of the shell and used for supporting the shell, wherein an auxiliary component used for adjusting the ground clearance of the bottom surface of the shell to enable the scraping strip to contact or leave the ground is arranged on the shell. Above-mentioned scrubbing brush drain pan is through setting up the ground clearance that auxiliary component adjusted the casing bottom surface, lets the scraping strip can contact or leave ground along with the change of ground clearance for the scraping strip not only can contact ground when the floor cleaning machine antedisplacement, plays the cleaning performance, can leave ground when the floor cleaning machine moves backward moreover, avoids scraping ground sewage backward and arouses ground secondary pollution.

Description

Floor brush bottom shell and floor washing machine

Technical Field

The utility model belongs to the technical field of the cleaning device technique and specifically relates to indicate a scrubbing brush drain pan and floor cleaning machine.

Background

The floor washing machine is a cleaning device which is suitable for cleaning hard ground and simultaneously sucking up sewage and taking the sewage away from the site, and the current working principle of the floor washing machine is that the ground is cleaned through a wet rolling brush, and the sewage is sucked into a sewage tank in the floor washing machine during cleaning, so that the cleaning process is completed.

The existing floor washing machine has the situation of repeated movement back and forth in the process of cleaning the ground, which is difficult to avoid. Wherein, when scrubber antedisplacement, the scraping strip on the scrubbing brush drain pan can be scraped subaerial sewage forward, makes it inhale the sewage case by scrubber, but, when scrubber moves backward, because the scraping strip contacts with ground all the time, leads to subaerial sewage to be scraped backward by the scraping strip and cause sewage can't be inhaled the sewage case to arouse ground secondary pollution, influence the cleaning performance.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the utility model is to provide a floor brush drain pan adjusts the ground clearance of casing bottom surface through setting up auxiliary component, lets the scraping strip can contact or leave ground along with the change of ground clearance for the scraping strip not only can contact ground when the floor cleaning machine antedisplacement, plays cleaning action, can leave ground when the floor cleaning machine antedisplacement moreover, avoids scraping ground sewage backward and arouses ground secondary pollution.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a floor brush drain pan, includes the casing and establishes the strip of scraping in the casing bottom to and establish the back gyro wheel that is used for supporting the casing at the casing rear end, be provided with on the casing and be used for adjusting casing bottom surface ground clearance in order to let the auxiliary component who scrapes the strip contact or leave ground.

Further, the auxiliary component comprises an auxiliary wheel for supporting the shell and an adjusting structure which can change the position of the auxiliary wheel when the shell is subjected to pushing force or pulling force so as to reduce or increase the ground clearance of the bottom surface of the shell and enable the scraping strip to contact or leave the ground, and the auxiliary wheel is installed on the shell through the adjusting structure.

Further, adjust the structure including installing on the casing and being located the first mount pad of scraping strip rear, the auxiliary wheel includes first auxiliary wheel, be provided with the high slope slide in low back in front on the first mount pad, first auxiliary wheel passes through the axostylus axostyle and installs on the slope slide and the axostylus axostyle can slide on the slope slide, the axostylus axostyle can be when the casing receives thrust or pulling force by the low position of slope slide to eminence direction removal or by the high position of slope slide to the low position of moving in order to heighten or lower first auxiliary wheel to reduce or increase the ground clearance of casing bottom surface, let the scraping strip contact or leave ground.

Furthermore, an elastic blocking piece which can be pressed by the first auxiliary wheel when the shaft rod moves from the lower position of the inclined slideway to the higher position is arranged at the position, close to the highest position of the inclined slideway, of the first mounting seat.

Furthermore, a rough guide part parallel to the inclined slide way is arranged on the first mounting seat, and a rough surface of the rough guide part is in contact with the top end of the first auxiliary wheel.

Further, the adjusting structure comprises a second mounting seat mounted on the housing and located behind the wiper strip, the auxiliary wheel comprises a second auxiliary wheel, a swing seat capable of swinging back and forth is arranged on the second mounting seat, the second auxiliary wheel is rotatably mounted on the swing seat through a rotating shaft, a front limiting part and a rear limiting part for limiting the swing angle of the swing seat are arranged on the second mounting seat and are respectively arranged on the front side and the rear side of the swing seat, the bottom end position of the front limiting part is lower than that of the rear limiting part, and the swing seat can swing back and abut against the bottom end of the rear limiting part or swing front and abut against the bottom end of the front limiting part to increase or decrease the position of the second auxiliary wheel when the housing is subjected to thrust or pulling force, so that the ground clearance of the bottom surface of the housing is reduced or increased, and the wiper strip is allowed to contact with or leave the ground.

Furthermore, a torsion spring is arranged between the swinging seat and the second connecting seat, and two ends of the torsion spring are respectively fixed on the swinging seat and the second connecting seat.

The second purpose of the utility model is to provide a floor washing machine, which comprises a machine body and the floor brush bottom shell arranged at the bottom of the machine body.

The floor brush bottom shell enables the ground clearance of the bottom surface of the shell to be adjustable by arranging the auxiliary component, so that the scraping strip can contact or leave the ground along with the change of the ground clearance. After the bottom shell of the floor brush is arranged on the floor washing machine, in the actual use process, when the floor washing machine moves forward, under the action of the auxiliary component, the ground clearance of the bottom surface of the shell is reduced, the scraping strip is contacted with the ground, so that the sewage on the ground can be scraped forwards, and the sewage is sucked into the sewage tank by the floor washing machine to play a role in cleaning; and when the scrubber moves backward, under the effect of auxiliary component, the ground clearance grow of casing bottom surface scrapes the strip and leaves ground thereupon, and unsettled in ground just can't scrape ground sewage and sweep, can avoid scraping ground sewage backward because of scraping the strip and scraping the ground secondary pollution that causes from this to promote the cleaning performance. Wherein, the back gyro wheel can let casing rear end unsettled in ground, reduces the friction between casing and the ground, is convenient for remove the casing more easily, also can play the mating reaction to auxiliary component simultaneously.

Drawings

FIG. 1 is a perspective view of a bottom case of a floor brush in accordance with embodiment 1;

FIG. 2 is a first perspective view of the first mounting base of the embodiment 1, in which a first auxiliary wheel is mounted;

fig. 3 is a sectional view of a first mount in embodiment 1;

FIG. 4 is a second perspective view of the first mount of embodiment 1, in which the first auxiliary wheel is not mounted;

FIG. 5 is a schematic view showing the forward movement of the bottom case of the floor brush in embodiment 1;

FIG. 6 is a schematic view showing the backward movement of the bottom case of the floor brush in the embodiment 1;

FIG. 7 is a perspective view of a bottom case of the floor brush in the embodiment 2;

FIG. 8 is a first perspective view of a second mount in accordance with embodiment 2, in which a second auxiliary wheel is mounted;

FIG. 9 is a sectional view of a second mount in embodiment 2;

FIG. 10 is a second perspective view of the second mount of embodiment 2, in which the second auxiliary wheel is not mounted;

FIG. 11 is a perspective view of a swing seat in accordance with embodiment 2;

fig. 12 is a perspective view of a torsion spring in embodiment 2;

FIG. 13 is a schematic view showing the bottom case of the floor brush of embodiment 2 moving forward;

FIG. 14 is a schematic view showing the floor brush of embodiment 2 with the bottom shell moved backward;

fig. 15 is a perspective view of a floor scrubber.

In the figure:

1-shell 2-scraping strip 3-rear roller

4-first mounting seat 4 a-inclined slideway 5-first auxiliary wheel

6-shaft lever 7-elastic baffle 8-rough guide part

9-second mounting seat 10-second auxiliary wheel 11-swinging seat

11 a-mounting hole 11 b-connecting hole 11 c-U-shaped movable groove

12-rotating shaft 13-front limit part 14-rear limit part

15-torsion spring 15 a-upper end of torsion spring

15b lower end of torsion spring 16 body 17 mounting rod

18-clamping plate 19-stop block.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

Example 1

As shown in fig. 1 to 6, a bottom casing of a floor brush comprises a casing 1, a scraping strip 2 arranged at the bottom of the casing 1, and a rear roller 3 arranged at the rear end of the casing 1 for supporting the casing 1, wherein an auxiliary component for adjusting the ground clearance of the bottom surface of the casing 1 to allow the scraping strip 2 to contact or leave the ground is arranged on the casing 1. The bottom shell of the floor brush is provided with the auxiliary component to adjust the ground clearance of the bottom surface of the shell 1, so that the scraping strip 2 can contact or leave the ground along with the change of the ground clearance. Wherein, back gyro wheel 3 can let 1 rear end of casing unsettled in ground, reduces the friction between casing 1 and the ground, is convenient for remove casing 1 more easily, also can play the mating reaction to auxiliary component simultaneously.

Specifically, the auxiliary component includes an auxiliary wheel for supporting the housing 1 and an adjusting structure capable of changing the position of the auxiliary wheel when the housing 1 is subjected to a pushing force or a pulling force to reduce or increase the ground clearance of the bottom surface of the housing 1 and to make the wiper strip 2 contact or leave the ground, and the auxiliary wheel is mounted on the housing 1 through the adjusting structure. It should be noted that when the floor cleaning machine moves forward, thrust is generated on the shell 1, and at the moment, the auxiliary wheel moves upwards under the action of the adjusting structure, so that the ground clearance of the bottom surface of the shell 1 is reduced, and the scraping strip 2 is in contact with the ground; when the floor cleaning machine moves backwards, tension can be generated on the shell 1, the auxiliary wheel moves downwards under the action of the adjusting structure, the gap between the bottom surface of the shell 1 and the ground is increased, and the scraping strip 2 leaves the ground.

As shown in fig. 2 to 4, the adjusting structure includes a first mounting seat 4 mounted on the housing 1 and located behind the wiper strip 2, the auxiliary wheel includes a first auxiliary wheel 5, an inclined slideway 4a with a lower front and a higher rear is provided on the first mounting seat 4, the first auxiliary wheel 5 is mounted on the inclined slideway 4a through a shaft rod 6, the shaft rod 6 can slide on the inclined slideway 4a, and the shaft rod 6 can move from the lower position of the inclined slideway 4a to the higher position or from the higher position of the inclined slideway 4a to the lower position when the housing 1 is subjected to a pushing force or a pulling force, so as to increase or decrease the position of the first auxiliary wheel 5, thereby reducing or increasing the ground clearance at the bottom of the housing 1, and allowing the wiper strip 2 to contact with or leave the ground.

The first auxiliary wheel 5 and the rear roller 3 can support the shell 1 together, so that the bottom surface of the shell 1 is suspended on the ground, friction caused by direct contact between the bottom surface of the shell 1 and the ground is avoided, and the shell 1 can be moved better. It should be noted that the inclined slideway 4a is similar to a slope, when the washing machine moves backwards, the shaft lever 6 moves forwards to the bottom of the slope, so that the position of the first auxiliary wheel 5 moves downwards, the ground clearance of the bottom surface of the shell 1 is increased, and the scraping strip 2 moves upwards together with the upward movement of the bottom surface of the shell 1, thereby leaving the ground, see fig. 6; when the floor washing machine moves forward, the shaft lever 6 moves backward to the top of the slope, so that the position of the first auxiliary wheel 5 moves upward, the ground clearance of the bottom surface of the shell 1 is reduced, and the scraping strip 2 moves downward along with the downward movement of the bottom surface of the shell 1, so as to contact the ground, as shown in fig. 5. In addition, in order to increase the friction between the first auxiliary wheel 5 and the ground, a rough surface having a certain roughness may be provided on the outer wall of the first auxiliary wheel 5. Also, the bottom of the housing 1 may be provided with a first mounting groove for mounting the first mounting seat 4, and the first mounting seat 4 may be insert-mounted in the first mounting groove.

In order to facilitate the first auxiliary wheel 5 to move forward more easily when the floor washing machine moves backward, an elastic blocking piece 7 which can be pressed by the first auxiliary wheel 5 when the shaft lever 6 moves from the lower part of the inclined slideway 4a to the higher part can be arranged at the position, close to the highest part of the inclined slideway 4a, of the first mounting seat 4, and the elastic blocking piece 7 can abut against one end, close to the highest part of the inclined slideway 4a, of the first auxiliary wheel 5, see fig. 3.

Furthermore, since the floor washing machine generally moves slowly during the process of washing the floor, the first auxiliary wheel 5 does not need to move too fast, and a rough guide portion 8 can be provided on the first mounting seat 4 to apply a certain resistance to the rotation of the first auxiliary wheel 5, wherein the rough guide portion 8 needs to be parallel to the inclined slideway 4a, and the rough surface of the rough guide portion 8 contacts with the top end of the first auxiliary wheel 5, as shown in fig. 3 and 4.

Example 2

This example differs from example 1 in that: as shown in fig. 7 to 14, the adjusting structure includes a second mounting seat 9 mounted on the housing 1 and located behind the wiper strip 2, the auxiliary wheel includes a second auxiliary wheel 10, a swing seat 11 capable of swinging back and forth is provided on the second mounting seat 9, the second auxiliary wheel 10 is rotatably mounted on the swing seat 11 through a rotating shaft 12, a front limit portion 13 and a rear limit portion 14 for limiting a swing angle of the swing seat 11 are provided on the second mounting seat 9, and the front limit portion 13 and the rear limit portion 14 are respectively provided on front and rear sides of the swing seat 11, a bottom end position of the front limit portion 13 is lower than a bottom end position of the rear limit portion 14, the swing seat 11 can swing back against a bottom end of the rear limit portion 14 or swing forward against a bottom end of the front limit portion 13 when the housing 1 is subjected to a pushing force or a pulling force to adjust a position of the second auxiliary wheel 10 up or down, thereby reducing or increasing a ground clearance of the bottom surface of the housing 1 and allowing the wiper strip 2 to contact with or leave the ground.

The second auxiliary wheel 10 can support the shell 1 together with the rear roller 3, so that the bottom surface of the shell 1 is suspended on the ground, friction caused by direct contact between the bottom surface of the shell 1 and the ground is avoided, and the shell 1 can be moved better. When the floor cleaning machine moves forward, the swing seat 11 can swing backward and abut against the bottom end of the rear limiting part 14, at this time, the second auxiliary wheel 10 moves upward, the ground clearance of the bottom surface of the shell 1 becomes smaller, and the scraping strip 2 can contact the ground, as shown in fig. 13; when the floor cleaning machine moves backwards, the swing seat 11 can swing forwards and abut against the bottom end of the front limiting part 13, and because the bottom end position of the front limiting part 13 is lower than the bottom end position of the rear limiting part 14, when the swing seat 11 abuts against the front limiting part 13, the position of the second auxiliary wheel 10 moves downwards, the ground clearance of the bottom surface of the shell 1 is increased, and the scraping strip 2 also leaves the ground, as shown in fig. 14.

As shown in fig. 11, the swing seat 11 may be a U-shaped seat, the top of the swing seat 11 is provided with a mounting hole 11a, a mounting rod 17 is installed in the mounting hole 11a with a gap, two ends of the mounting rod 17 are installed on the second mounting seat 9, so that the swing seat 11 can swing with the axis of the mounting rod 17 as an axis, two sides of the bottom of the swing seat 11 are provided with connecting holes 11b, the rotating shaft 12 is installed in the connecting holes 11b with a gap, and the second auxiliary wheel 10 is located in a U-shaped movable groove 11c between two sides of the bottom of the swing seat 11, so that the second auxiliary wheel 10 can rotate with the axis of the rotating shaft 12 as an axis. In addition, in order to increase the friction force between the second auxiliary wheel 10 and the ground, a rough surface having a certain roughness may be provided on the outer wall of the second auxiliary wheel 10. Also, the bottom of the housing 1 may be provided with a second mounting groove for mounting the second mounting seat 9, and the second mounting seat 9 may be insert-mounted in the second mounting groove.

In order to make the swing seat 11 swing forward more easily when the floor cleaning machine moves backward, a torsion spring 15 can be arranged between the swing seat 11 and the second connecting seat to generate resilience force to the swing seat 11, so as to play a role in assisting pushing. Wherein, can set up two splint 18 on the second connecting seat, be formed with the draw-in groove between two splint 18, torsion spring's upper end 15a alright in the draw-in groove between two splint 18, and torsion spring 15's lower extreme 15b then can be fixed on swing seat 11, can set up dog 19 or jack on swing seat 11 and be used for supporting or fixed torsion spring 15's lower extreme 15b. In this embodiment, two torsion springs 15 are respectively disposed on two sides of the swing seat 11, upper ends 15a of the two torsion springs are connected as a whole and clamped in the clamping groove between the two clamping plates 18 on the second connecting seat, and lower ends 15b of the two torsion springs 15 respectively abut against the stoppers 19 on two sides of the swing seat 11, so that the swing seat 11 can be better rebounded by disposing the two torsion springs 15, as shown in fig. 9, 10 and 12. Here, the stoppers 19 on both sides of the swing seat 11 may be annular protrusions provided on the outer periphery of the mounting hole 11 a.

The rest of the present example is consistent with example 1.

In addition, the utility model discloses still provide a floor scrubber, as shown in fig. 15, it includes fuselage 16 and installs the scrubbing brush drain pan in embodiment 1 or 2 in the fuselage 16 bottom. Wherein, the front end of casing 1 is installed the round brush, and the scraping strip 2 is located the round brush rear. When the floor cleaning machine moves forwards, the rolling brush cleans the ground, the scraping strip 2 can contact the ground under the action of the auxiliary component, the sewage on the ground left after cleaning is scraped forwards, and the sewage is sucked into the sewage tank to play a cleaning role. And when the scrubber moves backward, the round brush still washs ground, scrape 2 this moment and leave ground under auxiliary component's effect, unsettled in ground, no longer scrape the sewage of sweeping ground backward, but these sewage can be inhaled in the sewage case when the scrubber moves backward, reach clean effect, consequently, the scrubber of installing the scrubbing brush drain pan that embodiment 1 or 2 provided can play better ground cleaning performance, make it can move around repeatedly and carry out ground washing and can not cause the secondary pollution on ground, realize the high-efficient quick washing on ground.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed for the preferred embodiment, the present invention is not limited to the product form and the pattern, and any person skilled in the art can make some modifications or modifications to the equivalent embodiment of the equivalent variations without departing from the technical scope of the present invention, but all the contents of the technical solution of the present invention do not depart from the scope of the patent of the technical solution of the present invention.

Claims (8)

1. A floor brush bottom shell is characterized in that: including casing (1) and establish scraping strip (2) in casing (1) bottom to and establish back gyro wheel (3) that are used for supporting casing (1) in casing (1) rear end, be provided with on casing (1) and be used for adjusting casing (1) bottom surface ground clearance in order to let scraping strip (2) contact or leave the auxiliary component on ground.

2. A floor brush bottom shell according to claim 1, wherein: the auxiliary component comprises an auxiliary wheel for supporting the shell (1) and an adjusting structure which can change the position of the auxiliary wheel when the shell (1) is subjected to pushing force or pulling force so as to reduce or increase the ground clearance of the bottom surface of the shell (1) and enable the scraping strip (2) to contact or leave the ground, and the auxiliary wheel is arranged on the shell (1) through the adjusting structure.

3. A floor brush bottom shell according to claim 2, wherein: the adjusting structure comprises a first mounting seat (4) which is mounted on a shell (1) and located behind a scraping strip (2), the auxiliary wheel comprises a first auxiliary wheel (5), an inclined slide way (4 a) with a low front part and a high rear part is arranged on the first mounting seat (4), the first auxiliary wheel (5) is mounted on the inclined slide way (4 a) through a shaft rod (6), the shaft rod (6) can slide on the inclined slide way (4 a), and the shaft rod (6) can move from the low part of the inclined slide way (4 a) to the high part or from the high part of the inclined slide way (4 a) to the low part when the shell (1) is subjected to thrust or tension so as to increase or decrease the position of the first auxiliary wheel (5), so that the ground clearance of the bottom surface of the shell (1) is reduced or increased, and the scraping strip (2) is in contact with or leaves the ground.

4. A floor brush bottom shell according to claim 3, wherein: an elastic blocking piece (7) which can be pressed by the first auxiliary wheel (5) when the shaft rod (6) moves from the lower position of the inclined slideway (4 a) to the higher position is arranged at the position, close to the highest position of the inclined slideway (4 a), on the first mounting seat (4).

5. A floor brush bottom shell according to claim 3, wherein: the first mounting seat (4) is provided with a rough guide part (8) parallel to the inclined slide way (4 a), and the rough surface of the rough guide part (8) is in contact with the top end of the first auxiliary wheel (5).

6. A floor brush bottom shell according to claim 2, wherein: the adjusting structure comprises a second mounting seat (9) which is mounted on the shell (1) and located behind the scraping strip (2), the auxiliary wheel comprises a second auxiliary wheel (10), a swinging seat (11) capable of swinging back and forth is arranged on the second mounting seat (9), the second auxiliary wheel (10) is rotatably mounted on the swinging seat (11), a front limiting part (13) and a rear limiting part (14) which are used for limiting the swinging angle of the swinging seat (11) are arranged on the second mounting seat (9) and are respectively arranged on the front side and the rear side of the swinging seat (11), the bottom end position of the front limiting part (13) is lower than that of the rear limiting part (14), the swinging seat (11) can swing back when the shell (1) is subjected to pushing force or pulling force and abut against the bottom end of the rear limiting part (14) or swing forward and abut against the bottom end of the front limiting part (13) to adjust the position of the second auxiliary wheel (10) high or low, so that the gap between the shell (1) and the ground is reduced or increased, and the ground is contacted with the scraping strip (2) or leaves the ground.

7. The floor brush pan of claim 6, wherein: a torsion spring (15) is arranged between the swinging seat (11) and the second connecting seat, and two ends of the torsion spring (15) are respectively fixed on the swinging seat (11) and the second connecting seat.

8. A floor cleaning machine is characterized in that: comprising a body (16) and a floor brush bottom shell according to any one of claims 1 to 7 mounted on the bottom of the body (16).

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