CN110565277B - Mop wheel - Google Patents

Abstract

The invention provides a mop wheel, which belongs to the technical field of sewing machine mop wheel devices and comprises: the rack is fixedly arranged; a motor assembly disposed on the frame; the fixed idler wheels are rotatably arranged on the frame; the movable roller is rotatably arranged on the rack and is in abutting connection with the fixed roller so as to clamp cloth; and the linkage assembly is connected with the motor assembly and the movable roller, and the motor assembly drives the movable roller to lift through the linkage assembly, so that the movable roller is separated from the fixed roller. The beneficial effects of the invention are as follows: adopt electronic mode to drive the gyro wheel lifting, can labour saving and time saving to work efficiency can also be improved.

Description

Mop wheel

Technical Field

The invention belongs to the technical field of sewing machine mop wheel devices, and relates to a mop wheel.

Background

The sewing machine is in the sewing process because of the special reasons of surface fabric and sewing thread and sewing machine structural specificity, and in order to guarantee the planarization of sewing material in the sewing process to the cloth, the sewing machine adopts in the market can drag the cloth backward and can drive the back device that drags the wheel upward movement to guarantee the planarization of sewing material.

In order to enable cloth to move while sewing, a cloth dragging wheel is arranged on many sewing machines at present, for example, a Chinese patent with the application number 201810726573.0 discloses a cloth dragging wheel device, which comprises a bracket, a main shaft arranged on the bracket, a driven wheel connected with one end of the main shaft, a connecting rod arranged at the other end of the main shaft and fixedly connected with the main shaft at the top end of the main shaft, a connecting sleeve rotatably connected with the bottom end of the connecting rod, a one-way bearing arranged on the connecting sleeve and a roller supported on the one-way bearing, wherein the top end of the connecting rod is eccentrically connected with the main shaft, and the driven wheel is connected with a driving wheel on the sewing machine through a transmission piece.

The mop wheel can drive cloth to move, but in the actual working process, the rollers need to be lifted, so that the cloth can be loaded under the rollers, and the cloth is driven to move.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a mop wheel.

The aim of the invention can be achieved by the following technical scheme: a mop wheel comprising:

the rack is fixedly arranged;

a motor assembly disposed on the frame;

the fixed idler wheels are rotatably arranged on the frame;

The movable roller is rotatably arranged on the rack and is in abutting connection with the fixed roller so as to clamp cloth;

And the linkage assembly is connected with the motor assembly and the movable roller, and the motor assembly drives the movable roller to lift through the linkage assembly, so that the movable roller is separated from the fixed roller.

Preferably, the mop wheel further comprises a transmission assembly, the transmission assembly is in linkage connection with the fixed roller and the movable roller, and the transmission assembly is used for driving the fixed roller and the movable roller to rotate in opposite directions so as to drag cloth to move.

Preferably, the frame comprises a base, a first mounting seat, a first transmission shaft and a second transmission shaft, wherein the first mounting seat is vertically arranged on the base, a strip-shaped hole is formed in the first mounting seat, the first transmission shaft is movably arranged in the strip-shaped hole, the movable roller is connected with the first transmission shaft, and the second transmission shaft is arranged on the base and is connected with the fixed roller.

Preferably, a guide assembly for guiding the movable roller to move is arranged on the frame, the guide assembly comprises a guide rail, a guide block and a bearing block, the guide rail is vertically fixed on the first mounting seat, the guide block is slidably arranged on the guide rail, the bearing block is fixedly connected with the guide block, and the first transmission shaft penetrates through the bearing block.

Preferably, the linkage assembly comprises a rotating wheel, an eccentric shaft, a connecting rod, a rocking handle, a mounting shaft and a pull rod, wherein the rotating wheel is connected with the motor assembly, the eccentric shaft is arranged on the rotating wheel, the connecting rod is connected with the eccentric shaft, the mounting shaft is arranged on the first mounting seat, the rocking handle is rotatably arranged on the mounting shaft, two ends of the rocking handle are respectively hinged with the connecting rod and the pull rod, the pull rod is connected with the first transmission shaft in a linkage manner, and the first transmission shaft is driven to ascend through the pull rod after the rotating wheel rotates.

Preferably, the rocking handle comprises an inclined strip part, a first hinge part and a second hinge part, wherein the first hinge part and the second hinge part are formed by bending two ends of the inclined strip part, the lower end of the inclined strip part is connected with the installation shaft so that the rocking handle rotates on the installation shaft, the first hinge part is hinged with the lower end of the connecting rod, and the second hinge part is hinged with the upper end of the pull rod.

Preferably, the bearing block is provided with a linkage plate, the linkage plate is connected with the lower end of the pull rod, the pull rod is provided with a pressure spring, and the pressure spring is abutted to the linkage plate so as to apply downward pressure to the linkage plate, so that the movable roller is pressed on the fixed roller through the pressure spring.

Preferably, the motor assembly comprises a driving motor, a switch and a pedal, wherein the driving motor is fixed on the first mounting seat and is connected with the rotating wheel, the pedal is connected with the switch in a linkage manner, the switch is electrically connected with the driving motor, the driving motor is started through the switch when the pedal is stepped on, the driving motor drives the movable roller to move upwards, the driving motor is started through the switch when the pedal is released, and the driving motor drives the movable roller to move downwards and abut against the fixed roller.

Preferably, the base is provided with a second mounting seat, the transmission assembly is arranged on the second mounting seat, the first transmission shaft and the second transmission shaft are all arranged on the second mounting seat in a penetrating mode, and the transmission assembly is in linkage connection with the first transmission shaft and the second transmission shaft so as to drive the first transmission shaft and the second transmission shaft to rotate.

Preferably, the transmission assembly comprises a transmission motor, a driving gear, a first transmission gear, a second transmission gear and a transmission belt, wherein the first transmission gear is connected with the first transmission shaft, the second transmission gear is connected with the second transmission shaft, the transmission motor is fixed on the second mounting seat and connected with the driving gear, two ends of the transmission belt are sleeved on the driving gear and the second transmission gear, and the first transmission gear is meshed with the outer surface of the transmission belt.

Compared with the prior art, the invention has the beneficial effects that:

1. Adopt electronic mode to drive the gyro wheel lifting, can labour saving and time saving to work efficiency can also be improved.

2. The linkage assembly adopts the lever structure, so that moment can be amplified, the heavier movable roller is lifted by the low-power motor, and the lifting speed is high and the linkage assembly is sensitive because the rocking handle adopts the lever principle to realize linkage, and the movable roller can be lifted to a higher height by the action of the motor.

3. When the pull rod is motionless, the movable roller can also move upwards for a certain distance, when the movable roller moves upwards, the linkage plate extrudes the pressure spring to compress the pressure spring, and the movable roller can move in a certain range at the moment, so that the buffer effect is achieved, the damage of the linkage assembly is avoided, and the mop wheel can also have the double effects of manual lifting and electric lifting.

Drawings

Fig. 1 is a schematic structural view of a mop wheel of the present invention.

Fig. 2 is a schematic view showing a state in which a movable roller of the cloth dragging wheel of the present invention is lifted.

Fig. 3 is a schematic view of the state of the movable roller of the cloth dragging wheel of the present invention when being pressed.

Fig. 4 is a schematic diagram of a first transmission shaft and a second transmission shaft according to the present invention.

Fig. 5 is a schematic structural view of the transmission assembly of the present invention.

Fig. 6 is a schematic structural view of the linkage assembly of the present invention.

Fig. 7 is a schematic diagram of the connection relationship between the driving motor and the rotating wheel of the present invention.

110, A base; 120. a first mount; 121. a bar-shaped hole; 130. a first drive shaft; 140. a second drive shaft; 150. a second mounting base; 210. a driving motor; 300. a fixed roller; 400. a movable roller; 510. a rotating wheel; 520. an eccentric shaft; 530. a connecting rod; 540. a rocking handle; 541. an inclined strip part; 542. a first hinge part; 543. a second hinge part; 550. a mounting shaft; 560. a pull rod; 570. a pressure spring; 610. a drive motor; 620. a drive gear; 630. a first transmission gear; 640. a second transmission gear; 650. a transmission belt; 710. a guide rail; 720. a guide block; 721. a linkage plate; 730. and a bearing block.

Detailed Description

The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2, 3, 4, 5, 6 and 7, a mop wheel comprises: the cloth dragging device comprises a frame, a motor assembly, a fixed roller 300, a movable roller 400 and a linkage assembly, wherein a mop wheel clamps cloth through the movable roller 400 and the fixed roller 300 and drives the cloth to move, so that automatic sewing is realized, the auxiliary device is generally installed near a sewing machine, the existing cloth dragging wheel is required to lift the movable roller 400 in the operation process, so that the cloth is pulled out or a new cloth is loaded, the movable roller 400 is required to be lifted by hands, so that the lifting is troublesome, the movable roller 400 is required to be lifted with great force, and although some mechanisms and the arrangement are convenient for lifting the movable roller 400, the actual effect is often poor, and the movable roller 400 can be lifted by the operation of hands in general no matter what structure is required.

In the present embodiment, the frame is fixedly arranged; specifically, the frame can be clamped on a table of the sewing machine through the clamp, and cloth is dragged to move forwards or backwards according to different installation positions of the frame.

The motor component is arranged on the frame; preferably, the motor assembly is actually a mechanism formed by a motor and a series of accessories, and mainly provides power for lifting the movable roller 400, that is, the motor assembly can drive the movable roller 400 to lift or put down the movable roller 400, so that a user does not need to manually operate the cloth dragging wheel, and the lifting of the movable roller 400 can be completed directly by controlling the motor assembly.

The fixed roller 300 is rotatably provided on the frame; preferably, the fixed roller 300 is actually a roller located below, which is fixedly provided to be rotatable only, and the cloth is placed on the fixed roller 300, and the movable roller 400 is pressed over the cloth, thereby clamping the cloth.

A movable roller 400 rotatably provided on the frame, and the movable roller 400 is in abutting connection with the fixed roller 300 to clamp cloth; preferably, the movable roller 400 and the fixed roller 300 are arranged up and down, when the movable roller 400 is lifted, cloth can be drawn out or put in, when the movable roller 400 is lowered, the movable roller 400 can be matched with the fixed roller 300 and clamp the cloth, and when the movable roller 400 and the fixed roller 300 rotate, the cloth can be driven to move.

And the linkage assembly is connected with the motor assembly and the movable roller 400, and the motor assembly drives the movable roller 400 to lift through the linkage assembly, so that the movable roller 400 is separated from the fixed roller 300.

Preferably, the linkage assembly is actually a component for connecting the motor assembly and the movable roller 400, and because the output end of the motor assembly is of an output shaft structure, the torque of the motor assembly is converted into acting force in the vertical direction for driving the movable roller 400 to lift through the linkage assembly, so that the purpose of driving the movable roller 400 to lift through the linkage assembly can be realized, time and labor are saved during operation, and meanwhile, the working efficiency is improved.

As shown in fig. 1, 4 and 5, on the basis of the above embodiment, the mop wheel further includes a transmission assembly, the transmission assembly is connected with the fixed roller 300 and the movable roller 400 in a linkage manner, and the transmission assembly is used for driving the fixed roller 300 and the movable roller 400 to rotate in opposite directions so as to drag the cloth to move.

Preferably, in the working process of the cloth dragging wheel, after the movable roller 400 and the fixed roller 300 clamp the cloth, the movable roller 400 and the fixed roller 300 need to rotate in opposite directions to drive the cloth to move, and a component for driving the movable roller 400 and the fixed roller 300 to rotate is a transmission component, and the transmission component is in linkage connection with the fixed roller 300 and the movable roller 400 and can enable the movable roller 400 and the fixed roller 400 to rotate in different directions, for example, the movable roller 400 rotates clockwise, and the fixed roller 300 needs to rotate anticlockwise, so that the aim of transferring the cloth is fulfilled.

As shown in fig. 1,2,3,4 and 5, on the basis of the above embodiment, the frame includes a base 110, a first mounting seat 120, a first transmission shaft 130 and a second transmission shaft 140, where the first mounting seat 120 is vertically disposed on the base 110, a strip-shaped hole 121 is formed in the first mounting seat 120, the first transmission shaft 130 is movably disposed in the strip-shaped hole 121, the movable roller 400 is connected with the first transmission shaft 130, the second transmission shaft 140 is disposed on the base 110, and the fixed roller 300 is connected with the second transmission shaft 140.

Preferably, the base 110 is in a horizontal plate structure, the first mounting base 120 is in a vertical plate structure, the first transmission shaft 130 is in a multi-section shaft structure because the first transmission shaft 130 needs to be connected with the movable roller 400, each section of shaft is connected through a universal coupling, and the second transmission shaft 140 is in a common shaft structure.

Preferably, the first mounting seat 120 has a bar hole 121, and since the first transmission shaft 130 needs to move up and down, the bar hole 121 needs to be formed so as to be convenient for the bar hole 121 to pass through and move up and down, and the second transmission shaft 140 is arranged on the base 110 and is fixedly arranged and can rotate, so as to drive the fixed roller 300 to rotate, and the movable roller 400 can also be lifted up and down through the first transmission shaft 130 while rotating through the first transmission shaft 130.

As shown in fig. 1,2 and 3, on the basis of the above embodiment, a guiding assembly for guiding the movement of the movable roller 400 is disposed on the frame, the guiding assembly includes a guide rail 710, a guiding block 720 and a bearing block 730, the guide rail 710 is vertically fixed on the first mounting seat 120, the guiding block 720 is slidably disposed on the guide rail 710, the bearing block 730 is fixedly connected with the guiding block 720, and the first transmission shaft 130 is penetratingly disposed on the bearing block 730.

Preferably, the movable roller 400 is lifted by a motor driving manner, so that the moving direction of the movable roller is required to be guided, specifically, a guiding assembly is provided to guide the moving track of the first transmission shaft 130, wherein the first transmission shaft 130 passes through the bar-shaped hole 121 and then passes through the bearing block 730, then the end of the first transmission shaft is connected with the movable roller 400, and the bearing block 730 is fixed with the guiding block 720, so that the bearing block 730 and the first transmission shaft 130 can only move along the direction of the guide rail 710, and the final effect is to ensure that the movable roller 400 is lifted along the direction in which the guide rail 710 is provided.

As shown in fig. 1,2, 3, 4, 6, and 7, on the basis of the above embodiments, the linkage assembly includes a rotating wheel 510, an eccentric shaft 520, a connecting rod 530, a rocking handle 540, a mounting shaft 550, and a pull rod 560, where the rotating wheel 510 is connected with the motor assembly, the eccentric shaft 520 is disposed on the rotating wheel 510, the connecting rod 530 is connected with the eccentric shaft 520, the mounting shaft 550 is disposed on the first mounting seat 120, the rocking handle 540 is rotatably disposed on the mounting shaft 550, two ends of the rocking handle 540 are respectively hinged with the connecting rod 530 and the pull rod 560, and the pull rod 560 is connected with the first transmission shaft 130 in a linkage manner, and when the rotating wheel 510 rotates, the first transmission shaft 130 is driven to rise by the pull rod 560.

In the existing cloth dragging wheel, although the linkage part or the driving part is also used for driving the roller to lift, a simple cam structure is often adopted for driving the roller to lift, and the linkage part is not suitable for the motor-driven cloth dragging wheel, because the lifting force generated by the linkage part of the cam structure is insufficient, the movable roller 400 with larger dead weight cannot be lifted by a motor, the lifting speed is slower, the structure is also not compact enough, the linkage part also has no self-locking effect, after the motor drives the cam to lift the roller, the motor is in a state of stopping rotation in practice, the cam structure is easy to enable the roller to automatically fall, so that a linkage assembly capable of providing enough lifting force and enabling the movable roller 400 not to automatically fall is needed.

Preferably, the linkage assembly includes the rotating wheel 510, the eccentric shaft 520, the link 530, the rocking handle 540, the mounting shaft 550, and the pull rod 560, and the mounting shaft 550 is actually located at the right side of the rotating wheel 510, and the rocking handle 540 is actually similar to a lever structure in terms of technical principle, the movable roller 400 is mainly lifted up through the pull rod 560, and the pull rod 560 is hinged with the rocking handle 540, and when the rocking handle 540 is rocked, one end hinged with the pull rod 560 is tilted up to pull the pull rod 560, or when one end hinged with the rocking handle 540 is sunk down, the pull rod 560 can push the movable roller 400 to move downward.

From the force-bearing angle analysis, the lever linkage mechanism formed by the complex connecting rod 530 and the rocking handle 540 is mainly linked through the rocking handle 540 with the lever function, when the eccentric shaft 520 rotates, the connecting rod 530 is driven to lift or press the left end of the rocking handle 540, when the left end of the rocking handle 540 is lifted, the right end of the rocking handle 540 descends, so that the movable roller 400 is pressed by the pull rod 560, and a sufficient pressing force is provided, when the left end of the rocking handle 540 descends, the right end of the rocking handle 540 is lifted, and at the moment, the pull rod 560 pulls up the movable roller 400.

Because the lever structure is adopted, the moment can be amplified, the heavier movable roller 400 is lifted by a low-power motor, and the lifting speed is high and the lever structure is sensitive because the rocking handle 540 adopts the lever principle to realize linkage, and the movable roller 400 can be lifted to a relatively high height by the action of the motor.

Preferably, the linkage assembly also has a certain self-locking effect, since the rocking handle 540 drives the pull rod 560 by the lever principle, when the right end of the rocking handle 540 is lifted, the left end of the rocking handle 540 is sunk, and even if the motor stops rotating, the right end of the rocking handle 540 is lifted if the motor is to be lowered, and if the left end of the rocking handle 540 is lifted, the connecting rod 530 is forced to reversely push the rotating wheel 510, and in the structure of the linkage assembly, the connecting rod 530 cannot push the rotating wheel 510 by a certain angle, so that a certain self-locking effect can be achieved.

The link 530 cannot push the rotating wheel 510 to rotate back to the original position because the link 530 cannot apply a horizontal force to the eccentric shaft 520, specifically, the link 530 is hinged to the eccentric shaft 520, and the eccentric shaft 520 is disposed on the rotating wheel 510, when the link 530 pushes the rotating wheel 510, the rotating wheel 510 can rotate a certain angle, and finally the eccentric shaft 520 is located above the rotating wheel, at this time, only a horizontal force is applied to the eccentric shaft 520 to rotate the eccentric shaft 520, and only an upward force is applied to the link 530, so that a horizontal force cannot be generated, that is, when the movable roller 400 pulls the pull rod 560 downward, the link 530 pushes the eccentric shaft 520 upward, and at this time, a self-locking effect is achieved because the rotating wheel 510 cannot rotate, thereby ensuring the reliability of the operation of the linkage assembly.

As shown in fig. 1,2,3,4, 6, and 7, in the above embodiment, the rocking handle 540 includes a diagonal portion 541, a first hinge portion 542 and a second hinge portion 543 formed by bending both ends of the diagonal portion 541, the lower end of the diagonal portion 541 is connected to the mounting shaft 550 so that the rocking handle 540 rotates on the mounting shaft 550, the first hinge portion 542 is hinged to the lower end of the link 530, and the second hinge portion 543 is hinged to the upper end of the pull rod 560.

Preferably, the rocking handle 540 is actually in a root-shaped structure, which can effectively amplify the moment, specifically, a certain included angle is formed between the diagonal strip portion 541 and the first hinge portion 542 and the second hinge portion 543, wherein the distance between the first hinge portion 542 and the mounting shaft 550 is shorter, and the distance between the second hinge portion 543 and the mounting shaft 550 is longer, so that the leverage effect is more obvious, that is, the first hinge portion 542 is shorter, and small-amplitude swing can be amplified by the second hinge portion 543 and then transmitted to the pull rod 560, so that the second hinge portion 543 swings greatly.

Preferably, in operation, the upper end position of the link 530 is actually changed to a certain extent by the eccentric shaft 520, so that the lower end of the link 530 is changed to a small extent, the first hinge portion 542 is driven to lift by the change of the lower end of the link 530, and the lever structure can just amplify the small-extent lift by the second hinge portion 543, and then the pull rod is moved up and down to a large extent.

Specifically, when the movable roller 400 needs to be lifted, the rotating wheel 510 rotates to a position where the eccentric shaft 520 is located at the right side, the connecting rod 530 drives the first hinge portion 542 to descend, and when the first hinge portion 542 descends, the second hinge portion 543 can be lifted up, so that the pull rod 560 is pulled up, at this time, the second hinge portion 543 receives a downward force, and the first hinge portion 542 receives an upward force, so that it pushes the connecting rod 530 upward, and the connecting rod 530 is hinged to the eccentric shaft 520, so that the rotating wheel 510 may rotate by a small extent, and finally, when the eccentric shaft 520 is located at the top end of the rotating wheel 510, only the horizontal force can rotate, and only the upward force can be applied by the connecting rod 530, so that the rotating wheel 510 cannot rotate, and the second hinge portion 543 cannot lift up.

When the movable roller 400 and the fixed roller 300 need to be pressed, the linkage assembly can also fix the roller, so that the roller cannot move upwards, and the pressing force between the movable roller 400 and the cloth is ensured, specifically, the second hinge portion 543 presses the pull rod 560 downwards, so that the pull rod 560 transmits the pressure to the movable roller 400, at this time, the eccentric shaft 520 is located at the left side of the rotating wheel 510, and the height of the lower end of the connecting rod 530 is actually slightly increased compared with the height of the eccentric shaft 520 located at the right side of the rotating wheel 510, so that the first hinge portion 542 can be pulled to move upwards, and the reliable abutting action between the movable roller 400 and the fixed roller 300 is ensured.

As shown in fig. 1, 2, 3 and 4, on the basis of the above embodiment, a linkage plate 721 is provided on the bearing block, the linkage plate 721 is connected to the lower end of the pull rod 560, a pressure spring 570 is provided on the pull rod 560, and the pressure spring 570 abuts against the linkage plate 721 to apply downward pressure to the linkage plate 721, so that the movable roller 400 is pressed against the fixed roller 300 by the pressure spring 570.

Preferably, the bearing block is mainly connected with the pull rod 560 through the linkage plate 721, and in a practical structure, the linkage plate can be fixedly connected with the bearing block and the guide block at the same time, the lower end of the pull rod 560 passes through the linkage plate 721 and is locked through a nut, the linkage plate 721 can move on the pull rod 560, when the pull rod 560 is pulled up, the guide block 720 can be driven by the nut to move upwards, the pull rod 560 is provided with a pressure spring 570, the linkage plate 721 is in abutting connection with the pressure spring 570, and the pressure spring 570 presses the linkage plate 721 on the nut at the bottom end of the pull rod 560 through elasticity, so that the pull rod 560 pushes the linkage plate 721 downwards, and the movable roller 400 is abutted on the fixed roller 300.

Preferably, when the pull rod 560 is not moved, the movable roller 400 can also move upwards for a certain distance, when the movable roller 400 moves upwards, the linkage plate 721 presses the pressure spring 570 to compress the pressure spring 570, and at this time, the movable roller 400 can move within a certain range, so that the buffer effect is achieved, the damage of the linkage assembly is avoided, and the mop wheel can also have the dual effects of manual lifting and electric lifting.

As shown in fig. 1, 2, 3, 6, and 7, the motor assembly includes a driving motor 210, a switch (not shown) and a pedal (not shown), wherein the driving motor 210 is fixed on the first mounting seat 120, the driving motor 210 is connected with the rotating wheel 510, the pedal is connected with the switch in a linkage manner, the switch is electrically connected with the driving motor 210, when the pedal is pressed, the driving motor 210 is started by the switch, and the driving motor 210 drives the movable roller 400 to move upwards, and when the pedal is released, the driving motor 210 drives the movable roller 400 to move downwards and to abut against the fixed roller 300.

Preferably, the motor assembly includes a driving motor 210, a switch and a pedal, wherein the driving motor 210 may further include a decelerator, and the driving motor 210 may be fixed to the first mounting seat 120, may be directly connected to the rotating wheel 510, or may be connected to the rotating wheel 510 through the decelerator, and when the driving motor 210 is operated, it rotates for a certain number of turns and then stops, so that the eccentric shaft 520 on the rotating wheel 510 is located above or below, thereby adjusting the movable roller 400.

Preferably, the driving motor 210 is mainly connected with the pedal through a switch, the pedal is arranged on a table body of the sewing machine, when the pedal is stepped on, the switch can be triggered, the switch controls the driving motor 210 to rotate until the eccentric shaft 520 is positioned below the rotating wheel 510 and stops, at the moment, manual control is not needed, the movable roller 400 can be lifted to a set position only by stepping on the pedal, after the pedal is released, the switch is triggered, so that the motor is controlled to rotate, the eccentric shaft 520 is positioned above the rotating wheel 510, at the moment, the movable roller 400 is put down, the whole process is very simple and labor-saving, the working efficiency can be greatly improved, and the operation is controlled completely without hands.

As shown in fig. 1, 4, and 5, based on the above embodiment, the base 110 is provided with a second mounting seat 150, the transmission assembly is disposed on the second mounting seat 150, the first transmission shaft 130 and the second transmission shaft 140 are all disposed on the second mounting seat 150 in a penetrating manner, and the transmission assembly is connected with the first transmission shaft 130 and the second transmission shaft 140 in a linkage manner, so as to drive the first transmission shaft 130 and the second transmission shaft 140 to rotate.

Preferably, the base 110 further has a vertical second mounting seat 150, the second mounting seat 150 and the first mounting seat 120 are arranged side by side, a certain distance exists between the two, two ends of the first transmission shaft 130 and the second transmission shaft 140 are respectively arranged on the first mounting seat 120 and the second mounting seat 150, and the transmission assembly is arranged on the second mounting seat 150 and used for driving the first transmission shaft 130 and the second transmission shaft 140 to rotate towards opposite directions, so that cloth can be reliably driven to move.

As shown in fig. 4 and 5, on the basis of the above embodiment, the transmission assembly includes a transmission motor 610, a driving gear 620, a first transmission gear 630, a second transmission gear 640, and a transmission belt 650, where the first transmission gear 630 is connected to the first transmission shaft 130, the second transmission gear 640 is connected to the second transmission shaft 140, the transmission motor 610 is fixed on the second mounting seat 150 and connected to the driving gear 620, two ends of the transmission belt 650 are sleeved on the driving gear 620 and the second transmission gear 640, and the first transmission gear 630 is meshed with the outer surface of the transmission belt 650.

Preferably, the driving motor 610 is required to drive the first driving shaft 130 and the second driving shaft 140 to rotate in opposite directions, so that the driving gear 620 is connected with the driving motor 610, and the driving belt 650 has racks thereon, the second driving gear 640 is connected with the driving gear 620 through the driving belt 650, so that the second driving shaft 140 rotates, and the racks on the outer surface of the driving belt 650 drive the first driving gear 630 to rotate, so that the rotation direction of the first driving gear 630 is opposite to the rotation direction of the second driving gear 640, thus improving the driving efficiency and making the torque of the first driving shaft 130 and the second driving shaft 140 larger.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (7)

1. A mop wheel comprising:

A frame;

a motor assembly disposed on the frame;

the fixed idler wheels are rotatably arranged on the frame;

the movable roller is rotatably arranged on the rack and has a pressing state and a separating state, the movable roller is in abutting connection with the fixed roller when in the pressing state, and the movable roller is separated from the fixed roller when in the separating state;

the linkage assembly is connected with the motor assembly and the movable roller; when the movable roller is changed from the pressing state to the separating state, the motor assembly drives the movable roller to lift through the linkage assembly, so that the movable roller is separated from the fixed roller; when the movable roller is changed from the separation state to the compression state, the motor assembly drives the movable roller to descend through the linkage assembly, so that the movable roller is in abutting connection with the fixed roller;

the rack comprises a base, a first mounting seat, a first transmission shaft and a second transmission shaft, wherein the first mounting seat is vertically arranged on the base, a strip-shaped hole is formed in the first mounting seat, the first transmission shaft is movably arranged in the strip-shaped hole, the movable roller is connected with the first transmission shaft, the second transmission shaft is arranged on the base, and the fixed roller is connected with the second transmission shaft;

The machine frame is provided with a guide assembly for guiding the movable roller to move, the guide assembly comprises a guide rail, a guide block and a bearing block, the guide rail is vertically fixed on the first mounting seat, the guide block is slidably arranged on the guide rail, the bearing block is fixedly connected with the guide block, and the first transmission shaft is arranged on the bearing block in a penetrating manner;

The linkage assembly comprises a rotating wheel, an eccentric shaft, a connecting rod, a rocking handle, an installation shaft and a pull rod, wherein the rotating wheel is connected with the motor assembly, the eccentric shaft is arranged on the rotating wheel, the connecting rod is connected with the eccentric shaft, the installation shaft is arranged on the first installation seat, the rocking handle is rotatably arranged on the installation shaft, two ends of the rocking handle are respectively hinged with the connecting rod and the pull rod, the pull rod is connected with the first transmission shaft in a linkage manner, and the angle position of the rotating wheel determines that the movable roller is in a compression state or a separation state.

2. A mop wheel as claimed in claim 1, characterized in that: the mop wheel also comprises a transmission assembly, wherein the transmission assembly is in linkage connection with the fixed roller and the movable roller, and the transmission assembly is used for driving the fixed roller and the movable roller to rotate in opposite directions.

3. A mop wheel as claimed in claim 1, characterized in that: the rocking handle includes oblique strip portion and first articulated portion and the second articulated portion that oblique strip portion both ends were buckled and are formed, oblique strip portion lower extreme with thereby the installation axle is connected make the rocking handle is in the epaxial rotation of installation, first articulated portion with the lower extreme of connecting rod articulates, second articulated portion with the upper end of pull rod articulates.

4. A mop wheel as claimed in claim 3, characterized in that: the movable roller is characterized in that a linkage plate is arranged on the bearing block, the linkage plate is connected with the lower end of the pull rod, a pressure spring is arranged on the pull rod, and the pressure spring is abutted to the linkage plate so as to apply downward pressure to the linkage plate, so that the movable roller is pressed on the fixed roller through the pressure spring.

5. A mop wheel as claimed in claim 1, characterized in that: the motor assembly comprises a driving motor, a switch and a pedal, wherein the driving motor is fixed on the first mounting seat and is connected with the rotating wheel, the pedal is connected with the switch in a linkage manner, the switch is electrically connected with the driving motor, the driving motor is started through the switch when the pedal is stepped down, the driving motor drives the movable roller to move upwards, and the driving motor is started through the switch when the pedal is released, and drives the movable roller to move downwards and abut against the fixed roller.

6. A mop wheel as claimed in claim 2, characterized in that: the base is provided with a second mounting seat, the transmission assembly is arranged on the second mounting seat, the first transmission shaft and the second transmission shaft are all arranged on the second mounting seat in a penetrating mode, and the transmission assembly is in linkage connection with the first transmission shaft and the second transmission shaft, so that the first transmission shaft and the second transmission shaft are driven to rotate.

7. A mop wheel as in claim 6 wherein: the transmission assembly comprises a transmission motor, a driving gear, a first transmission gear, a second transmission gear and a transmission belt, wherein the first transmission gear is connected with the first transmission shaft, the second transmission gear is connected with the second transmission shaft, the transmission motor is fixed on the second mounting seat and connected with the driving gear, two ends of the transmission belt are sleeved on the driving gear and the second transmission gear, and the first transmission gear is meshed with the outer surface of the transmission belt.