CN108402980B

CN108402980B - Surface scrubbing device

Info

Publication number: CN108402980B
Application number: CN201810190296.6A
Authority: CN
Inventors: 李娟�; 雍志华; 饶大庆; 邹旭敏; 王维果; 穆万军; 李伟; 梁小冲; 何原; 胡再国
Original assignee: Sichuan University
Current assignee: Sichuan University
Priority date: 2018-03-08
Filing date: 2018-03-08
Publication date: 2020-05-05
Anticipated expiration: 2038-03-08
Also published as: CN108402980A

Abstract

One end of the towel is fixed on the winding shaft, the towel is wound outside the winding shaft, another end of the towel is fixed outside the motor shaft, the shaft axis of the motor shaft and the shaft axis of the winding shaft are parallel to each other, the motor shaft of the motor rotates to drive the towel to move and wind on the motor shaft; the towel between the motor shaft and the winding shaft is contacted with the surface of the scrubbing object, namely the lower end edge of the motor shaft, the lower end edge of the winding shaft and the towel between the two shafts are in one plane. Has the advantages that: the motor shaft rotates to drive the towel to move, and part of the towel contacting the surface of the object is replaced, so that the surface of the object is more clean more quickly; the movement of the supporting rod can increase the contact range of the towel, and can conveniently scrub the glass on the inner side and the outer side of the window; motor shaft and winding axle are favorable to accomodating of towel, and the hand pressure effect of the rotation strength of motor shaft and branch transmission is favorable to the towel to contact the object surface to a large extent.

Description

Surface scrubbing device

Technical Field

The invention relates to the field of cleaning of object surfaces, in particular to cleaning of the outer side of window glass of a high-rise building.

Background

In the process of wiping a tabletop, a wood floor or a ceramic tile floor, particularly the outer side of window glass, the outer side of the window glass of a high-rise building is generally cleaned rarely and is generally dirty, a common wiping device is fixed with a contact surface of the window glass, the area of the contact surface is small relative to the area of the window glass, the contact surface is dirty very fast, the material needs to be cleaned or contacted in a sliding mode, and the efficiency is low and tedious.

Disclosure of Invention

In order to enable the surface to be wiped clean more easily, mainly more quickly, namely, the frequency of replacing wiping materials is reduced, the invention designs the surface wiping device.

The technical scheme adopted by the invention for realizing the purpose is that the surface scrubbing device comprises a (wet) towel, two shafts and a motor, wherein one of the two shafts is a motor shaft (namely a rotating shaft capable of automatically rotating at a low speed, the rotating speed is 1-5 weeks per minute, the low-speed motor can rotate at a speed of 1 week per minute and above, and also can be an escapement structure which is a timing structure of a clock and converts the curling energy of a spring into uniform rotation through gear transmission), the other shaft has the function of winding the towel, and for convenience of description, the two shafts are respectively called as a motor shaft and a winding shaft, and the surface scrubbing device is characterized in that: one end of the towel is fixed on the winding shaft, the towel is wound on the outer side of the winding shaft, the other end of the towel is fixed on the outer side of the motor shaft, the axis of the motor shaft is parallel to the axis of the winding shaft, and the motor shaft of the motor rotates to drive the towel to move and wind on the motor shaft; the towel between the motor shaft and the winding shaft contacts the surface of the scrubbing object, namely the lower end edge of the motor shaft, the towel between the lower end edge of the winding shaft and the two shafts is in a plane (namely, the towel is in a tightened state, in order to achieve the purpose, the inner cylinder of the winding shaft is meshed with the support rod with the axis positioned, the gear of the support rod is fixed, the gear of the inner cylinder of the winding shaft rotates under the pulling of the motor shaft, one of the gear of the support rod and the gear of the inner cylinder of the winding shaft is hard and the other one of the gear of the support rod is elastic, the elasticity has certain strength and can also deform, when the elastic gear is extruded to cause the elastic gear to be shortened or bent, the hard gear passes over the elastic gear, and then next extrusion deformation is carried out, the elastic gear can be an elastic rubber rod or an elastic plastic rod or a wrapped spring, the elastic gear can be one tooth or a plurality of teeth, and one tooth is equivalent to a deformable bolt).

After the motor shaft rotates to enable the towel to be moved, the rotating torque of the motor shaft acts on the winding shaft to enable the winding shaft to translate and close a power supply of the motor, namely the winding shaft is placed on the outer side of the spring, the towel is wound on the outer side of the winding shaft, the force required by rotation of the winding shaft is small, and after the towel is moved, the spring is compressed (the spring is shortened) due to translation of the winding shaft through tensile force to trigger a power supply switch of the motor to enable the motor to be powered off; the power switch is a key switch. After the motor is powered off, the towel is pulled back to a certain extent under the action of the elastic force of the spring, and the motor shaft rotates reversely by a certain amount, namely the extension of the spring.

The winding shaft is sleeved outside the bottom of a small U-shaped frame, namely the bottom of the small U-shaped frame is the axis of the winding shaft, and balls are arranged between the axis and the inner side of the outer cylinder of the winding shaft in the common prior art, or the winding shaft is divided into an inner cylinder and an outer cylinder, the balls are arranged between the outer side of the inner cylinder and the inner side of the outer cylinder, and the inner side of the inner cylinder of the winding shaft is fixed outside the bottom of the small U-shaped frame; the motor shaft is sleeved outside the bottom of a large U-shaped frame, namely the bottom of the large U-shaped frame is the axis of the motor shaft, and balls are arranged between the axis and the inner side of the outer cylinder of the motor shaft in the common prior art; the openings at the two ends of the large U-shaped frame are reduced, the two ends of the small U-shaped frame are expanded, the diameter of the expanded parts at the two ends of the small U-shaped frame is larger than that of the openings at the two ends of the large U-shaped frame, and the two ends of the small U-shaped frame are sleeved inside the openings at the two ends of the large U-shaped frame, so that the small U-shaped frame and the large U-shaped frame can move horizontally relative to each other; the outer sides of two ends of the small U-shaped frame are respectively sleeved with a spring, and two ends of each spring are respectively contacted with the bottom of the small U-shaped frame and the outer side of the end face of the large U-shaped frame; a key switch is fixed in one side of the large U-shaped frame, and when the spring is compressed, the end face of one side of the small U-shaped frame contacts with the key switch and cuts off the power supply of the motor.

The small U-shaped frame and the large U-shaped frame are sleeved to form a rectangle, the upper end and the lower end of the rectangle are respectively provided with a winding shaft and a motor shaft, and a supporting rod is fixed on the left side or the right side of the rectangle and enables the rectangle to move, so that the surface of an object at a distance can be touched and scrubbed.

The outer sides of the winding shaft and the motor shaft are provided with a part parallel to the axis and can be detached, a groove parallel to the axis is formed in the outer sides of the winding shaft and the motor shaft after the detachment, two ends of the towel are respectively placed in the groove of the winding shaft and the groove of the motor shaft, and then the part of the winding shaft and the part of the motor shaft are fixed to enable two ends of the towel to be respectively fixed on the winding shaft and the motor shaft.

The invention has the beneficial effects that: the motor shaft rotates to drive the towel to move from the winding shaft to the motor shaft, and part of the towel contacting the surface of the object is gradually changed, so that the surface of the object is more clean more quickly; the movement of the supporting rod can increase the contact range of the towel, and can conveniently scrub the glass on the inner side and the outer side of the window; motor shaft and winding axle are favorable to accomodating of towel, and the hand pressure effect of the rotation strength of motor shaft and branch transmission simultaneously is favorable to the towel to contact the object surface to a large extent.

Drawings

FIG. 1 is a schematic view of a surface scrubbing apparatus; FIG. 2 is a schematic view of a small U-shaped frame;

wherein, 1, a motor shaft; 2. a winding shaft; 3. a motor; 4. a spring; 5. a power switch; 6. a small U-shaped frame; 7. a large U-shaped frame; 8. a support rod.

Detailed Description

A surface scrubbing device, the surface being a relatively flat surface: such as window glass, a table top or a floor, etc., the scrubbing device comprises a towel (for the sake of clarity of the drawing, the schematic drawing of the towel is not depicted in fig. 1 and 2, wet towel is generally used for scrubbing), two shafts and a motor 3, wherein one shaft is a motor shaft 1, the other shaft is used for winding the towel, for convenience of description, the two shafts are respectively called a motor shaft 1 and a winding shaft 2, one end of the towel is fixed on the winding shaft 2, then the redundant towel is wound on the outer side of the winding shaft 2, the other end of the towel is fixed on (the outer side of) the motor shaft 1, the axes of the motor shaft 1 and the winding shaft 2 are parallel to each other, and the motor shaft 1 of the motor 3 rotates to drive the winding shaft 2 to rotate, so that the towel moves; the towel between the motor shaft 1 and the winding shaft 2 contacts the surface of the scrubbing object, i.e., the lower end edge of the motor shaft 1, the lower end edge of the winding shaft 2 and the towel between the two shafts are in one plane.

After the motor shaft 1 rotates to move the towel, the rotating torque of the motor shaft 1 acts on the winding shaft 2 to make the winding shaft 2 translate and turn off the power supply of the motor, namely, the winding shaft 2 is arranged at the outer side of the spring 4, the towel is wound at the outer side of the winding shaft 2, the force required by the rotation of the winding shaft 2 is relatively small (the spring is not deformed, namely the deformation of the spring can be ignored), after the towel is moved, the rotating torque of the motor shaft 1 acts on the tensile force generated by the towel to lead the winding shaft 2 to translate, so that the spring 4 is compressed (the spring is shortened) to trigger the power switch 5 of the motor 3 to cut off the power of the motor, after the motor is cut off, the elastic force of the spring 4 acts to lead the towel to have certain pullback, that is, the motor shaft 1 rotates reversely (i.e. the extension of the spring 4) by a certain amount, and after the motor is powered off, the magnetic field disappears, the force acting on the motor shaft 1 disappears, and the motor shaft 1 can rotate reversely (reverse rotation for short); the power switch 5 is a key switch.

The winding shaft 2 is sleeved outside the bottom of a small U-shaped frame 6, namely the bottom (the upper horizontal bar in fig. 2) of the small U-shaped frame 6 is the axis of the winding shaft 2, balls are arranged between the axis and the inner side of the outer cylinder of the winding shaft 2 in the common prior art, or the winding shaft 2 is divided into the inner cylinder and the outer cylinder, balls are arranged between the outer side of the inner cylinder and the inner side of the outer cylinder in the common prior art (such as fixed pulleys or movable pulleys), and the inner side of the inner cylinder of the winding shaft 2 is fixed outside the bottom of the small U-shaped frame 6 (sleeved outside and fixed, namely the inner cylinder is kept not rotating); the motor shaft 1 is sleeved outside the bottom (the lower end in figure 1) of a large U-shaped frame 7, namely the bottom of the large U-shaped frame 7 is the axis of the motor shaft 1, and balls are arranged between the axis and the inner side of the outer cylinder of the motor shaft 1 in the prior art, or the motor shaft 1 is divided into an inner cylinder and an outer cylinder, and balls are arranged between the outer side of the inner cylinder and the inner side of the outer cylinder in the prior art, and the inner side of the inner cylinder of the motor shaft 1 is fixed outside the bottom of the large U-shaped frame 7 (sleeved outside and fixed, namely the inner cylinder is kept; the openings at the two ends of the large U-shaped frame 7 are reduced, the two ends of the small U-shaped frame 6 are expanded, the diameters of the expanded parts at the two ends of the small U-shaped frame 6 are larger than the diameters of the openings at the two ends of the large U-shaped frame 7, so that the two ends of the small U-shaped frame 6 are nested in the inner parts of the two ends of the large U-shaped frame 7 and cannot be separated, and the two ends of the small U-shaped frame 6 are sleeved in the inner parts of the openings at the two ends of the large U-shaped frame 7, so that the small U-shaped frame 6 and the large U; two sides (outer sides of two ends) of the small U-shaped frame 6 are respectively sleeved with a spring 4, and two ends of each spring 4 are respectively contacted with the bottom of the small U-shaped frame 6 and the outer side of the end surface of the large U-shaped frame 7; a key switch is fixed inside one side of a large U-shaped frame 7, and one side end face of a small U-shaped frame 6 touches the key switch when the spring 4 is compressed and cuts off the power supply of the motor.

The small U-shaped frame 6 and the large U-shaped frame 7 are sleeved to form a rectangle, the upper end and the lower end of the rectangle are respectively provided with the winding shaft 2 and the motor shaft 1, and the left side or the right side of the rectangle is provided with a fixing support rod 8 (the right side fixing support rod 8 is shown in figure 1), and the support rod 8 enables the rectangle to move, so that the surface of an object (such as the upper end or the far end of window glass) at a far position can be touched and scrubbed.

The outer sides of the winding shaft 2 and the motor shaft 1 are provided with a part parallel to the axis and can be detached, a groove parallel to the axis is formed in the outer sides of the winding shaft 2 and the motor shaft 1 after detachment, two ends of a towel are respectively placed in the groove of the winding shaft 2 and the groove of the motor shaft 1, and then the part of the winding shaft 2 and the part of the motor shaft 1 are respectively fixed, so that two ends of the towel are respectively fixed on the winding shaft 2 and the motor shaft 1.

The motor 3 is a slow motor, and the time for transferring the towel with the length of 1 meter from the winding shaft 2 to the motor shaft 1 is preferably 5-10 minutes; the motor can also be replaced by an escapement of the timepiece, which causes the motor shaft 1 to rotate slowly.

The conventional method for wiping the surface is followed during the use process of the towel, and the towel is generally cleaned firstly, most of water in the towel is squeezed off, and the towel is kept wet to prevent water from dripping.

Claims

1. A surface scrubbing device comprises a towel, two shafts and a motor, wherein one of the two shafts is a motor shaft (1), the other shaft has the function of winding the towel, the two shafts are respectively called as the motor shaft (1) and a winding shaft (2), one end of the towel is fixed on the winding shaft (2), the towel is wound on the outer side of the winding shaft (2), the other end of the towel is fixed on the outer side of the motor shaft (1), the axis of the motor shaft (1) is parallel to the axis of the winding shaft (2), and the motor shaft (1) of the motor (3) rotates to drive the towel to move and wind on the motor shaft (1); the towel between the motor shaft (1) and the winding shaft (2) is contacted with the surface of a scrubbing object, namely the lower end edge of the motor shaft (1), the lower end edge of the winding shaft (2) and the towel between the two shafts are positioned in one plane, and the towel scrubbing device is characterized in that: after the motor shaft (1) rotates to enable the towel to move, the rotating torque of the motor shaft (1) acts on the winding shaft (2) to enable the winding shaft (2) to translate and close the power supply of the motor, namely the winding shaft (2) is placed on the outer side of the spring (4), the towel is wound on the outer side of the winding shaft (2), the force required by rotation of the winding shaft (2) is small, and after the towel is moved, the winding shaft (2) is translated by tensile force to enable the spring (4) to compress and touch the power switch (5) of the motor (3) to enable the motor to be powered off; the power switch (5) is a key switch; after the motor is powered off, the towel is pulled back to a certain extent under the action of the elastic force of the spring (4), and the motor shaft (1) rotates reversely by a certain amount, namely the extension of the spring (4).

2. A surface scrubbing device as defined in claim 1, further comprising: the winding shaft (2) is sleeved on the outer side of the bottom of a small U-shaped frame (6), namely the bottom of the small U-shaped frame (6) is the axis of the winding shaft (2), a ball is arranged between the axis and the inner side of the outer cylinder of the winding shaft (2), or the winding shaft (2) is divided into an inner cylinder and an outer cylinder, the ball is arranged between the outer side of the inner cylinder and the inner side of the outer cylinder, and the inner side of the inner cylinder of the winding shaft (2) is fixed on the outer side of the bottom of the small U-shaped frame (; the motor shaft (1) is sleeved on the outer side of the bottom of a large U-shaped frame (7), namely the bottom of the large U-shaped frame (7) is the axis of the motor shaft (1), balls are arranged between the axis and the inner side of the outer cylinder of the motor shaft (1), or the motor shaft (1) is divided into an inner cylinder and an outer cylinder, the balls are arranged between the outer side of the inner cylinder and the inner side of the outer cylinder, and the inner side of the inner cylinder of the motor shaft (1) is fixed on the outer side of the bottom of the large U; openings at two ends of the large U-shaped frame (7) are reduced, two ends of the small U-shaped frame (6) are expanded, the diameter of the expanded parts at two ends of the small U-shaped frame (6) is larger than that of the openings at two ends of the large U-shaped frame (7), and two ends of the small U-shaped frame (6) are sleeved inside the openings at two ends of the large U-shaped frame (7), so that the small U-shaped frame (6) and the large U-shaped frame (7) can be translated relatively; the outer sides of two ends of the small U-shaped frame (6) are respectively sleeved with a spring (4), and two ends of each spring (4) are respectively contacted with the bottom of the small U-shaped frame (6) and the outer side of the end face of the large U-shaped frame (7); a key switch is fixed in the interior of one side of the large U-shaped frame (7), and the end face of one side of the small U-shaped frame (6) touches the key switch when the spring (4) is compressed and cuts off the power supply of the motor.

3. A surface scrubbing device as defined in claim 2, wherein: the small U-shaped frame (6) and the large U-shaped frame (7) are sleeved to form a rectangle, the upper end and the lower end of the rectangle are respectively provided with the winding shaft (2) and the motor shaft (1), the left side or the right side of the rectangle is provided with the supporting rod (8), and the supporting rod (8) enables the rectangle to move, so that the surface of an object at a distance can be touched and scrubbed.

4. A surface scrubbing device as defined in claim 2, wherein: the outer sides of the winding shaft (2) and the motor shaft (1) are provided with a part parallel to the axis and can be detached, a groove parallel to the axis is formed in the outer sides of the winding shaft (2) and the motor shaft (1) after detachment, two ends of a towel are respectively placed in the groove of the winding shaft (2) and the groove of the motor shaft (1), and then the part of the winding shaft (2) and the part of the motor shaft (1) are fixed to enable two ends of the towel to be respectively fixed on the winding shaft (2) and the motor shaft (1).