CN112220392A

CN112220392A - Window wiper

Info

Publication number: CN112220392A
Application number: CN202011046439.XA
Authority: CN
Inventors: 史鹏涛; 乔通; 马立俊; 王于源; 武智磊; 雷跃随
Original assignee: Shaanxi University of Science and Technology
Current assignee: Shaanxi University of Science and Technology
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-01-15
Anticipated expiration: 2040-09-29
Also published as: CN112220392B

Abstract

The invention discloses a window cleaner, which consists of an up-and-down driving mechanism and a driven mechanism on two sides of glass, wherein a motor drives a roller at a driving end to rotate so as to realize the up-and-down movement of the whole device, the driving end of the motor is connected with a driving wheel and a lead screw transmission mechanism through a central plate, and the lead screw transmission mechanism realizes the left-and-right movement of a cleaning plate. The driving end and the driven end are connected through a matched telescopic plate and fixed through lengthened bolts, and the telescopic plates are respectively connected with the central plates at the two ends. The window cleaner disclosed by the invention is simple to operate, strong in adaptability and safe to use.

Description

Window wiper

Technical Field

The invention relates to a cleaning device for a glass window, in particular to a window cleaner.

Background

The high-rise buildings are more and more common, the problem of cleaning the high-rise glass windows is very troublesome, the manual cleaning efficiency is low, the cleaning is not clean, two sides cannot be cleaned simultaneously, and the potential safety hazard is large. The conventional magnet type window cleaner is not in place for cleaning corners, and meanwhile, the friction resistance on glass is large, so that the operation is very strenuous, and the glass brush is difficult to move and turn easily and fall off along the window surface. From the practicability, the invention designs the window cleaner, and the glass window is cleaned by the superposition of up-and-down movement and left-and-right movement. The glass cleaner is designed for common families and offices, can clean glass inside and outside simultaneously, is simple in structure and easy to operate, greatly reduces the glass cleaning cost of high-rise buildings, improves the labor environment of workers, greatly improves the efficiency, and has considerable social and economic benefits.

In summary, most of the existing window cleaners are complex in operation and high in cost, and are not suitable for families and offices.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a window wiper. The window cleaner realizes the up-and-down movement of the wiping plate by driving the driving wheel through the motor, realizes the left-and-right movement of the wiping plate through the transmission of the lead screw, can realize the wiping of all corners of a window, and has simple and compact structure and stable operation. The invention has higher adjustability and adaptability and is suitable for windows of different types.

In order to achieve the purpose, the invention adopts the technical scheme that:

a window cleaner comprises a telescopic clamping mechanism, a lead screw transmission mechanism, a cleaning plate, an up-down driving mechanism, a driven device and an anti-tilting mechanism, wherein the telescopic clamping mechanism comprises a telescopic part, a first telescopic end and a second telescopic end, and the first telescopic end and the second telescopic end are connected through the telescopic part to enable the first telescopic end and the second telescopic end to be relatively telescopic; the first telescopic end and the second telescopic end are respectively provided with an anti-tilting mechanism, the anti-tilting mechanism is provided with a small wheel, and when the telescopic part is contracted to enable the first telescopic end and the second telescopic end to be close, the anti-tilting mechanism surrounds the window frame to enable the movement of the window frame to be limited by the window frame so as to prevent the window wiper from tilting in the operation process;

the first telescopic end and the second telescopic end are respectively provided with a lead screw transmission mechanism, and the lead screw transmission mechanism comprises a lead screw transmission mechanism fixing part, a transverse wiping motor, a lead screw, a guide rail and a slide block; the transverse wiping motor is fixedly connected with the fixed part of the lead screw transmission mechanism, and an output shaft of the transverse wiping motor is connected with the lead screw to enable the lead screw and the fixed part of the lead screw transmission mechanism to form a revolute pair; the guide rail is parallel to the lead screw, the sliding block is arranged on the guide rail to form a moving pair, the sliding block and the lead screw form a lead screw pair, and the sliding block is connected with the wiping plate to enable the wiping plate to move along with the sliding block;

the first telescopic end is fixedly connected with an upper driving mechanism and a lower driving mechanism, and the upper driving mechanism and the lower driving mechanism comprise an upper driving mechanism fixing part, a mounting plate, a rubber roller, a worm gear speed reducing motor, a vertical bearing seat, a wedge block and a tightness bolt; the worm gear speed reducing motor is arranged on the mounting plate, and the mounting plate is connected with the fixing part of the upper and lower driving mechanism; an output shaft of the worm gear speed reducing motor is connected with a rubber roller, and the rubber roller is also connected with a vertical bearing seat to form a revolute pair; the vertical bearing seat is provided with an inclined plane; the wedge-shaped block is connected with the fixing part of the upper and lower driving mechanisms through a tightening bolt and is matched with the inclined surface of the vertical bearing seat, and when the tightening bolt rotates, the wedge-shaped block moves linearly relative to the upper and lower driving mechanisms and presses the vertical bearing seat to adjust the relative position of the rubber roller in the upper and lower driving mechanisms;

the second telescopic end is fixedly connected with a driven device, the driven device is opposite to the upper and lower driving mechanisms, and when the telescopic clamping mechanism clamps the window frame, the position of the wedge-shaped block can be adjusted through the tightening bolt, so that the driven device and the upper and lower driving mechanisms clamp the glass from two sides; the driven device and the upper and lower driving mechanisms move in the same direction, and the driven device and the upper and lower driving mechanisms move in the direction parallel to the window frame clamped by the telescopic clamping mechanism.

Furthermore, the telescopic clamping mechanism comprises a concave plate and a convex plate, and one end of the convex plate is inserted into the groove of the concave plate to form a sliding pair; the concave plate is provided with an extension bolt, the extension bolt and the convex plate form a spiral pair, and when the extension bolt rotates, the convex plate is close to or far away from the concave plate.

Furthermore, the concave plate and the convex plate are respectively provided with a support rod, the support rods are provided with small wheels, when the concave plate and the convex plate are close to each other from two sides of the window frame, the support rods clamp the window frame, and the small wheels provide support from the side surface to prevent the window cleaner from inclining in the operation process.

Further, the screw transmission mechanism fixing part comprises a central plate, a ribbed plate, a motor mounting plate and a bearing seat mounting plate, wherein the central plate is of an L-shaped structure, the ribbed plate is fixedly connected with the central plate to improve the stability of the L-shaped structure, and the motor mounting plate and the bearing seat mounting plate are fixedly connected with the central plate respectively; the transverse wiping motor is fixedly arranged on the motor mounting plate, a motor coupling is arranged between the bearing seat mounting plate and the motor mounting plate, and the bearing seat mounting plate is fixedly connected with a horizontal bearing seat; the lead screw forms a revolute pair with a fixed part of the lead screw transmission mechanism through a horizontal bearing seat, an output shaft of the transverse wiping motor is connected with the lead screw through a motor coupler, and the lead screw is connected with the sliding block through a circular flange nut to form a lead screw pair; and the bearing seat mounting plate is fixedly connected with a cylindrical guide rail, the cylindrical guide rail is parallel to the lead screw, and the cylindrical guide rail and the sliding block are connected through a linear bearing to form a moving pair.

Compared with the prior art, the invention has the following beneficial technical effects:

compared with the common window wiper, the window wiper provided by the invention has the following advantages that:

(1) the inner structure and the outer structure are connected on the side faces by the lengthened bolts, so that the glass window is stable, the distance between the two sides can be adjusted conveniently, and the glass window can adapt to glass windows with different thicknesses.

(2) The left and right movement of the wiping plate is realized by utilizing the screw transmission mechanism, the moving range is large, and the wiping plate can be guaranteed to wipe all corners of the glass.

(3) The motor is utilized to drive the driving wheel to move up and down, and meanwhile, the side wheels ensure that the mechanism cannot be inclined in the operation process.

(4) The wedge-shaped block is connected with a bolt, and the distance between the driving wheel and the glass and the pressure can be adjusted by adjusting the screwing depth of the bolt.

(5) The bracket connected with the wiping plate is connected with the sliding block through a bolt, and the distance between the wiping plate and the glass can be adjusted through adjusting the bolt.

(6) The connection position between the central plate and the convex plate can be adjusted, and the window frame can adapt to window edges with different thicknesses.

(7) The machine has compact structure, simple operation and strong adaptability.

Drawings

FIG. 1 is a schematic view of the overall structure

FIG. 2 is a right side partial schematic view

FIG. 3 is a left side partial schematic view

FIG. 4 is a schematic view of a telescopic clamping mechanism

FIG. 5 is a schematic view of a lead screw drive mechanism

FIG. 6 is a schematic view of a wiper

FIG. 7 is a rear view of the up-down driving apparatus

FIG. 8 is a front view of the up-down driving apparatus

FIG. 9 is a schematic view of a driven device

FIG. 10 is a schematic view of a support rod

FIG. 11 is a schematic view of a vertical bearing seat

In the figure: 1-concave plate, 2-lengthened bolt, 3-anti-tilting screw, 4-support rod, 5-small wheel, 6-convex plate, 7-transverse wiping motor, 8-motor mounting plate, 9-motor coupler, 10-bearing seat mounting plate, 11-horizontal bearing seat, 12-ribbed plate, 13-cylindrical guide rail, 14-linear bearing, 15-central plate, 16-circular flange nut, 17-sliding block, 18-lead screw, 19-scrubbing, 20-vertical rod, 21-cross rod, 22-connecting rod, 23-tightness bolt, 24-wedge block, 25-side plate, 26-vertical bearing seat, 27-rubber roller, 28-mounting plate, 29-worm gear reducing motor, 30-lower plate, 30-convex plate, and the like, 31-upper plate, 32-connecting shaft, 33-bearing seat mounting side plate, 34-shaft and 35-driven wheel bearing seat.

Detailed Description

The invention will be further elucidated with reference to the drawings and embodiments, but is not limited to the embodiments described below.

A window cleaner comprises a telescopic clamping mechanism (I), a lead screw transmission mechanism (II), a cleaning plate (III), an upper and lower driving mechanism (IV), a driven device (V) and an anti-tilting mechanism (VI), wherein the mechanisms are matched with each other for operation.

The telescopic clamping mechanism (I) is positioned at the side edge of the machine and connected with an inner symmetrical part and an outer symmetrical part, the upper and lower driving mechanisms (IV), the central plate 15 and the lead screw transmission mechanism (II) are sequentially arranged in the vertical direction of a window and positioned between the upper wiping plate and the lower wiping plate, and the upper wiping plate and the lower wiping plate are connected with an upper sliding block of the lead screw transmission mechanism through a connecting frame rod.

Specifically, referring to fig. 4, the telescopic clamping mechanism (i) comprises a concave plate 1, a convex plate 6, an elongated bolt 2, a support rod 5 and a small wheel 5, wherein a convex part of the convex plate 6 is inserted into a groove of the concave plate 1 to form a sliding pair, the elongated bolt 2 penetrates through the concave plate 1 and is connected with the convex plate 6 to form a spiral pair, and when the elongated bolt 2 rotates, the relative positions of the convex plate 6 and the concave plate 1 are close to or far away from each other; the convex plate 6 and the concave plate 1 are respectively provided with a support rod 4 through an anti-tilt screw 3, and the support rod 4 is provided with a small wheel 5; when the convex plate 6 and the concave plate 1 are close to each other from two sides of the window frame, the support rod 4 provides support from two sides to prevent the window wiper from inclining in the operation process, and the small wheel 5 provides support from the other two sides with the convex plate 6 and the concave plate 1 to prevent the window wiper from inclining in the operation process;

the concave plate 1 and the convex plate 6 are respectively fixedly connected with a screw rod transmission mechanism (II) to enable the two screw rod transmission mechanisms (II) to be opposite in position, and referring to FIG. 5, the screw rod transmission mechanism comprises a central plate 15, a ribbed plate 12, a motor mounting plate 8, a bearing seat mounting plate 10, a transverse wiping motor 7, a screw rod 18, a guide rail 13 and a slide block 17; the central plate 15 has an L-shaped structure, and the rib plates 12 are fixedly connected with two sides of the L-shaped structure; one side of the L-shaped structure is fixedly connected with the telescopic clamping mechanism (I), and the other side of the L-shaped structure is fixedly connected with a motor mounting plate 8 and a bearing seat mounting plate 10; the transverse wiping motor 7 is fixedly arranged on the motor mounting plate 8, a motor coupling 9 is arranged between the bearing seat mounting plate 10 and the motor mounting plate 8, and a horizontal bearing seat 11 is fixedly connected on the bearing seat mounting plate 10; the lead screw 18 forms a revolute pair with the bearing seat mounting plate 10 through the horizontal bearing seat 11, an output shaft of the transverse wiping motor 7 is connected with the lead screw 18 through the motor coupler 9, and the lead screw 18 is connected with the sliding block 17 through the circular flange nut 16 to form a lead screw pair; the bearing seat mounting plate 10 is further fixedly connected with a cylindrical guide rail 13, the cylindrical guide rail 13 is parallel to the lead screw 18, and the cylindrical guide rail 13 and the sliding block 17 are connected through a linear bearing 14 to form a moving pair;

referring to fig. 6, the eraser plate (iii) includes an eraser 19, a vertical rod 20, a horizontal rod 21 and a connecting rod 22, the vertical rod 20, the horizontal rod 21 and the connecting rod 22 are sequentially connected, the connecting rod 22 is fixedly connected with the slider 17, and the horizontal rod 21 is fixedly connected with the eraser 19;

referring to fig. 7 and 8, the up-down driving mechanism (iv) includes an up-down driving mechanism fixing portion, a mounting plate 28, a rubber roller 27, a worm gear speed reduction motor 29, a vertical bearing seat 26, a wedge block 24 and a tightening bolt 23; the upper and lower driving mechanism fixing part is composed of a lower plate 30, an upper plate 31 and a side plate 25, and has a limiting function on each part installed on the upper and lower driving mechanism fixing part; the worm gear speed reducing motor 29 is arranged on the mounting plate 28, the mounting plate 28 is connected with the upper and lower driving mechanism fixing part, and the upper and lower driving mechanism fixing part plays a limiting role in the mounting plate 28; an output shaft of the worm gear speed reducing motor 29 is connected with a rubber roller 27, and the rubber roller 27 is also connected with a vertical bearing seat 26 to form a rotating pair; the vertical bearing seat 26 is provided with an inclined plane; the wedge block 24 is connected with the upper plate 31 through the tightening bolt 23, the wedge block 24 is matched with the inclined surface of the vertical bearing seat 26, and when the tightening bolt 23 rotates, the wedge block 24 moves linearly relative to the upper plate 31 and presses the vertical bearing seat 26 to adjust the relative position of the rubber roller 27 in the upper and lower driving mechanism (IV);

the upper and lower driving mechanisms (IV) are fixedly connected with one of the two lead screw transmission mechanisms (II) which are opposite in position, the other lead screw transmission mechanism (II) is fixedly connected with a driven device (V), and the driven device (V) is opposite to the upper and lower driving mechanisms (IV); when the telescopic clamping mechanism (I) clamps a window frame, the position of a wedge-shaped block 24 can be adjusted through a tightness bolt 23, so that the driven device (V) and the upper and lower driving mechanism (IV) clamp glass from two sides; referring to fig. 9, the driven device (v) comprises a bearing mounting side plate 33, a driven wheel bearing seat 35 and a rubber roller 27, wherein the rubber roller 27 is mounted on the bearing mounting side plate 33 through a driven wheel bearing 35 to form a revolute pair;

the driven device (V) and the upper and lower driving mechanisms (IV) have the same moving direction, and the driven device (V) and the upper and lower driving mechanisms (IV) run along the direction parallel to the window frame clamped by the telescopic clamping mechanism (I).

The concave plate 1 is provided with a mounting groove, and the concave plate 1 is mounted with the central plate 15 through the mounting groove, so that the position of the central plate 15 on the concave plate 1 can be adjusted.

In detail, fig. 4 shows a telescopic clamping mechanism (i), in which a concave plate 1 with a threaded hole and a convex plate 6 with a threaded hole are connected by a lengthening bolt 2, so as to achieve the purpose of adjusting the distance; the end of the support rod 4 is provided with a small wheel 5 with a bearing, and the support rod 4 is connected with the concave-convex plates 1 and 6 by the anti-tilt screw 3.

Fig. 5 shows a screw drive mechanism (ii), in which a motor mounting plate 8 and a bearing seat mounting plate 10 are connected to a central plate 15 by screws, a traverse wiping motor 7 is mounted on the motor mounting plate 8, a horizontal bearing seat 11 is mounted on the bearing seat mounting plate 10, the motor coupling 9 connects the traverse wiping motor 7 to a screw 18, the horizontal bearing seat 11 supports the screw 18, a circular flange nut 16 and a linear bearing 14 are mounted on a slider 17, a cylindrical rail 13 is fixed to the bearing mounting plate 10 by a set screw, and a rib plate 12 is connected to the upper and lower parts of the central plate 15 by screws.

The attached figure 6 shows a blackboard eraser (III), the blackboard eraser 19 is connected with vertical rods 20 through a cross rod 21, a connecting rod 22 is positioned between the vertical rods 20 and is connected with a sliding block 17 through a bolt (see figure 1), and the blackboard eraser is vertically symmetrical, uniform in stress and stable in structure.

Fig. 7 and 8 show an up-and-down driving mechanism (iv), a worm gear speed reducing motor 29 is installed on a mounting plate 28 and connected with a rubber roller 27 through a connecting shaft 32, a vertical bearing seat 26 is attached to a side plate 25 to prevent the bearing from falling, and a wedge block 24 is supported downwards by a tightening bolt 23 through a threaded hole of an upper plate 31, so that the vertical bearing seat 26 drives the rubber roller 27 to lean against glass, and a lower plate 30 plays a supporting role. The side plate 25 may be mounted on the center plate 15 on one side by bolts.

Fig. 9 shows a follower mechanism (v), a bearing seat mounting side plate 33 can be mounted on the center plate 15 on the other side by bolts, a bearing seat 36 can be mounted on the bearing seat mounting side plate 33 by bolts, and two rubber rollers 24 are connected by a shaft 34.

The part of the concave plate 6 close to the connecting support rod 4 is hollow and is matched with the protruding part of the convex plate 1, so that the relative sliding between the two plates can be realized.

A groove is formed in one side, where the convex plate 1 is installed on the central plate, and the installation position of the central plate can be adjusted.

The side of the support rod 4, which is provided with the wheels, is partially cut off along the edge, so that the support rod is prevented from being contacted with the glass window edge during the movement process to increase the movement resistance.

One side surface of the vertical bearing seat 26 is an inclined surface, and the inclination is the same as that of the wedge block, so that the up-and-down movement of the wedge block is converted into the front-and-back movement of the vertical bearing seat 26.

The support plate 30 is formed with a slot in which a motor can move forward and backward.

The working principle of the invention is as follows:

firstly, the distance between the concave plate 1 and the convex plate 6 is adjusted through the lengthened bolt 2 according to the thickness of different window edges, so that the anti-tilting mechanism (VI) can just clamp the window edges, and the whole device cannot tilt in the operation process; the transverse wiping motor 7 rotates to drive the screw rod 18 to rotate, so that the sliding block 17 connected with the circular flange nut 16 can move left and right, and the wiping plate is integrally connected with the sliding block 17 through the bolt, so that the sliding block 17 drives the wiping plate to move left and right when moving left and right, and the purpose of wiping the window back and forth left and right is achieved.

The distance between the whole wiping plate and the window can be adjusted through the bolts, so that the wiping plate and the window can have a proper fit distance and pressure. Specifically, as shown in fig. 2 and 4, four slots on the concave plate 1 can adjust the distance between the central plate 15 and the window through bolts and nuts, so that the whole device can clamp the window to prevent falling.

The worm gear speed reducing motor 29 drives the rubber roller 27 to rotate, the whole device is driven to move up and down on the glass, the purpose of wiping the window up and down back and forth is achieved, the wedge block 24 is driven to move up and down by adjusting the screwing-in depth of the tightness bolt 23, and therefore the vertical bearing seat 26 drives the rubber roller to move forwards to move the whole body slightly to clamp the window, and the purpose of fine adjustment is achieved. Ensure that the whole device can not fall off or be clamped.

The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.

Claims

1. The utility model provides a window cleaner, includes flexible clamping mechanism, lead screw drive mechanism, wipes board, upper and lower actuating mechanism, slave unit and prevents tilt mechanism, its characterized in that:

the telescopic clamping mechanism comprises a telescopic part, a first telescopic end and a second telescopic end, and the first telescopic end and the second telescopic end are connected through the telescopic part to enable the first telescopic end and the second telescopic end to be relatively telescopic; the first telescopic end and the second telescopic end are respectively provided with an anti-tilting mechanism, the anti-tilting mechanism is provided with a small wheel, and when the telescopic part is contracted to enable the first telescopic end and the second telescopic end to be close, the anti-tilting mechanism surrounds the window frame to enable the movement of the window frame to be limited by the window frame so as to prevent the window wiper from tilting in the operation process;

the first telescopic end is fixedly connected with an upper driving mechanism and a lower driving mechanism, and the upper driving mechanism and the lower driving mechanism comprise an upper driving mechanism fixing part, a mounting plate, a rubber roller, a worm gear speed reducing motor, a vertical bearing seat, a wedge block and a tightness bolt; the worm gear speed reducing motor is arranged on the mounting plate, and the mounting plate is connected with the fixing part of the upper and lower driving mechanism; an output shaft of the worm gear speed reducing motor is connected with a rubber roller, and the rubber roller is also connected with a vertical bearing seat to form a revolute pair; the vertical bearing seat is provided with an inclined plane; the wedge-shaped block is connected with the upper and lower driving mechanism fixing part through a tightening bolt and matched with the inclined surface of the vertical bearing seat, and when the tightening bolt rotates, the wedge-shaped block moves linearly relative to the upper and lower driving mechanism fixing part and presses the vertical bearing seat to adjust the relative position of the rubber roller in the upper and lower driving mechanism;

2. A window wiper as defined in claim 1, wherein the telescopic clamping mechanism comprises a concave plate and a convex plate, one end of the convex plate being inserted into a groove of the concave plate to form a sliding pair; the concave plate is provided with an extension bolt, the extension bolt and the convex plate form a spiral pair, and when the extension bolt rotates, the convex plate is close to or far away from the concave plate.

3. A window wiper as defined in claim 2, wherein the concave and convex plates are provided with support rods, respectively, and the support rods are provided with small wheels, the support rods gripping the window frame when the concave and convex plates are brought close to each other from both sides of the window frame, while the small wheels provide support from the side to prevent the window wiper from tilting during operation.

4. The window wiper of claim 1, wherein the lead screw mechanism fixing portion comprises a central plate, a rib plate, a motor mounting plate and a bearing seat mounting plate, the central plate has an L-shaped structure, the rib plate is fixedly connected with the central plate to improve the stability of the L-shaped structure, and the motor mounting plate and the bearing seat mounting plate are respectively fixedly connected with the central plate; the transverse wiping motor is fixedly arranged on the motor mounting plate, a motor coupling is arranged between the bearing seat mounting plate and the motor mounting plate, and the bearing seat mounting plate is fixedly connected with a horizontal bearing seat; the lead screw forms a revolute pair with a fixed part of the lead screw transmission mechanism through a horizontal bearing seat, an output shaft of the transverse wiping motor is connected with the lead screw through a motor coupler, and the lead screw is connected with the sliding block through a circular flange nut to form a lead screw pair; and the bearing seat mounting plate is fixedly connected with a cylindrical guide rail, the cylindrical guide rail is parallel to the lead screw, and the cylindrical guide rail and the sliding block are connected through a linear bearing to form a moving pair.