KR100586608B1 - Traveling system of cleaner - Google Patents

Abstract

The present invention relates to a cleaner running system, and pushes the handle of the cleaner downward, pulled upward, and pushed left and right to adjust the rotational direction of the motor, so that the user can perform the forward, backward, left turn and right turn driving of the cleaner. The effect of diversifying the functions that can be selected and carrying out the cleaning conveniently occurs.

Vacuum cleaner, drive, motor, handle, terminal, rotation

Description

Traveling system of cleaner

1 is a perspective view of a general upright vacuum cleaner

Figure 2 is a perspective view showing a schematic configuration of the head of the upright vacuum cleaner as shown in Figure 1

3 is a view for explaining a driving operation to advance the upright vacuum cleaner according to the prior art

FIG. 4 schematically illustrates a concept in which the rotational force of the drive shaft is transmitted to the left driving wheel through the gears in FIG. 3.

5 is a view for explaining a driving operation in which the upright vacuum cleaner reverses according to the prior art;

FIG. 6 is a view schematically illustrating a concept in which the rotational force of the drive shaft is transmitted to the right driving wheel through gears in FIG. 5.

7A to 7D are schematic perspective views showing a state in which driving wheels move forward, backward, left and right in a cleaner driving system according to the present invention.

8 is a diagram illustrating a configuration of a cleaner driving system according to a first embodiment of the present invention.

9A to 9D are views for explaining an operation in which the traveling wheel moves forward, backward, left turn and right in the cleaner driving system according to the first embodiment of the present invention.

10 is a diagram illustrating a configuration of a cleaner driving system according to a second embodiment of the present invention.

11A to 11D are diagrams for explaining an operation of driving wheels forward, backward, left turn and right turn with a cleaner driving system according to a second embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

101: left driving wheel 102: right driving wheel

110,120: Motor 200: Handle

210: connection rod 211: square ring

231,232,233,234,251,252,253,254: electrode terminal

221,222,223,261,262,263: Conductor 300: DC power

The present invention relates to a cleaner driving system, and more particularly, by pushing the handle of the cleaner downward, pulling upward, and pushed left and right to adjust the rotational direction of the motor, it is possible to perform the forward, backward, left and right driving of the cleaner. The present invention relates to a cleaner driving system capable of diversifying functions that can be selected by a user and performing cleaning.

In general, the upright vacuum cleaner, as shown in Figure 1, the body 10 and the head 20 is integral, the handle 30 is formed almost perpendicular to the ground, so that the user is upright It has a structure that can be conveniently used in a state.

FIG. 2 is a perspective view showing a schematic configuration of a head of an upright vacuum cleaner as shown in FIG. 1, wherein the cleaner head includes a motor 22; First and second belts 25a and 25b connected to the motor shaft 23 of the motor 22 to transmit rotational force; A brush 21 for cleaning by receiving rotational force from the first belt 25a; It is composed of a driving wheel 24 which is driven by receiving the rotational force from the second belt (25b).

In this type of upright cleaner, when the handle 30 is pushed downward to move the cleaner forward, the motor 22 is rotated forward. Accordingly, the brush 21 and the driving wheel 24 are also rotated forward so that the cleaner is moved forward. While moving to the suction of dust and rubbish on the floor wiped by the brush (1).

On the other hand, in order to move the cleaner to the rear, when the user pulls the handle 30 upward, the motor 22 is reversed.

Therefore, the brush 21 and the driving wheel 24 also rotate in the same direction as the rotation direction of the motor 22, so that the cleaner moves to the rear and sucks foreign matters.

Here, in the prior art, the driving wheel is rotated forward and backward by using the power transmission method of the friction clutch to move forward and backward.

3 is a view for explaining a traveling operation of the upright vacuum cleaner according to the prior art, to move forward, as shown in Figure 3, the user pushes the handle 30 downward, The first connecting rod 51 connected to the handle is pushed downward, and the second connecting rod 52 hinged to the first connecting rod 51 connects the first friction clutch 61 to the first friction disc 65. In close contact with the clutch, the second friction clutch 62 is separated from the second friction disc 66 and turned off.

In this state, the rotational force of the motor 22 is transmitted to the drive shaft 71 by the belt 25, and the rotational force of the drive shaft 71 is transmitted to the first friction disc 65 through the first friction clutch 61. Is transmitted to the left driving wheel 24a through a plurality of gears connected to the first friction disc 65 ('68' in FIG. 3 has a plurality of gears built into the first gearbox). do.

FIG. 4 is a view schematically illustrating a concept in which the rotational force of the drive shaft is transmitted to the left driving wheel 24a through the gears in FIG. 3, and the rotational force of the drive shaft 71 is turned on when the first friction clutch is on. The friction force is transmitted to the first gear 81 and the rotational force of the first gear 81 is rotated in the forward direction by rotating the left wheel 24a by the second and third gears 82 and 83 in one axis. The left and right driving wheels 24a and 24b connected are driven forward.

FIG. 5 is a view for explaining a driving operation in which an upright vacuum cleaner performs a reverse driving operation according to the related art. As shown in FIG. 5, when a user pulls the handle 30 upward, the handle may be moved to the handle. The connected first connecting rod 51 is pulled upward, and the second connecting rod 52 hinged to the first connecting rod 51 closely adheres the second friction clutch 62 to the second friction disc 66. The clutch is turned on, and the first friction clutch 61 is separated from the first friction disc 65 to be off.

FIG. 6 is a view schematically illustrating a concept in which the rotational force of the drive shaft is transmitted to the right driving wheel 24b through the gears in FIG. 5, and the rotational force of the drive shaft 71 is turned on by the on of the second friction clutch. The rotational force of the fourth gear 84 is transmitted to the gear 84, and when the right driving wheel 24b is rotated in the reverse direction by the fifth to seventh gears 85, 86 and 87, the left and the right connected in one axis The driving wheels 24a and 24b are driven backward.

As described above, the conventional vacuum cleaners perform only forward and backward driving, and thus there is a problem in that the method of operating the vacuum cleaner provides a inconvenience for the user to clean with the vacuum cleaner.

The present invention to solve the problems described above, by pushing the handle of the cleaner downward, pulled upward, and pushed left and right to adjust the rotation direction of the motor, it is possible to carry out the forward, backward, left and right driving of the cleaner The purpose of the present invention is to provide a cleaner driving system that can diversify functions that can be selected by the user and perform cleaning in a convenient manner.

A preferred aspect for achieving the above object of the present invention is a handle connected to the body of the cleaner;

A connecting rod connected to the lower end of the handle;

First to third conductors each having a central portion fixed to the connecting rods, and protruding from both ends of the connecting rods, and sequentially spaced apart from each other;

A direct current power supply for supplying voltages of opposite polarities to the first and third conductors positioned at the upper and lower ends and the second conductor positioned at the middle thereof;                         

First and second electrode terminals respectively positioned between the left ends of the first to third conductors protruding from the connecting rods;

Third and fourth electrode terminals respectively positioned between right ends of the first to third conductors protruding from the connecting rods;

A first motor connected to each of the first and second electrode terminals and operated by receiving power;

A left driving wheel that rotates by receiving the rotational force of the first motor;

A second motor connected to each of the third and fourth electrode terminals and operated by receiving power;

Provided is a cleaner driving system including a right driving wheel that rotates by receiving a rotational force of the second motor.

Another preferred aspect for achieving the above object of the present invention is a handle connected to the main body of the cleaner;

A square ring connected to an end of the handle;

First and second electrode terminals penetrating through one surface of the quadrangular ring and protruding into the quadrangular ring, and spaced at regular intervals and fixed to the quadrangular ring in parallel to each other;

Third and fourth electrode terminals protruding into the rectangular ring through the other surface of the square ring in parallel with the first and second electrode terminals;

A first conductor positioned above the first and third electrode terminals in the quadrangular ring;                         

A second conductor positioned between the first and second electrode terminals and the third and fourth electrode terminals in the quadrangular ring;

A third conductor positioned below the second and fourth electrode terminals in the quadrangular ring;

A direct current power supply for supplying voltages of opposite polarities to the first and third conductors and the second conductor;

A first motor connected to the first and second electrode terminals and operated by receiving power;

A left driving wheel that rotates by receiving the rotational force of the first motor;

A second motor connected to the third and fourth electrode terminals and operated by receiving power;

Provided is a cleaner driving system including a right driving wheel that rotates by receiving a rotational force of the second motor.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

7A to 7D are schematic perspective views showing driving wheels moving forward, backward, leftward and rightward in a cleaner driving system according to the present invention. The cleaner driving system of the present invention may be provided on left and right driving wheels 101 and 102. The shafts of the first and second motors 110 and 120 are inserted, respectively, and the left and right driving wheels 101 and 102 are rotated by the rotational force of the first and second motors 110 and 120 to rotate forward (FIG. 7A), backward (FIG. 7B), and turn left. (FIG. 7C) and before the detour (FIG. 7D) travel is performed.

At this time, in the forward direction (FIG. 7A), − voltage is applied to the first and third contacts 111 and 121 of the first and second motors 110 and 120, and + voltage is applied to the second and fourth contacts 112 and 122. Thus, the first and second motors 110 and 120 rotate forward.

And, if the reverse of (Fig. 7b), the first and second euron first and third contacts (111 121) of the motor (110, 120) + voltage is applied, first the second and fourth contacts (112 122) is applied with a voltage The first and second motors 110 and 120 rotate in reverse.

In addition, in the left rotation (FIG. 7C), a −voltage is applied to the first contact point 111 of the first motor 110 and the fourth contact point 122 of the second motor 120. A positive voltage is applied to the second contact 112 and the third contact 121 of the second motor 120 so that the first motor 110 rotates in reverse and the second motor 120 rotates forward.

In addition, in the right turn (FIG. 7D), a + voltage is applied to the first contact point 111 of the first motor 110 and the fourth contact point 122 of the second motor 120. A negative voltage is applied to the second contact 112 and the third contact 121 of the second motor 120 so that the first motor 110 rotates forward and the second motor 120 rotates backward.

8 is a diagram illustrating a configuration of a cleaner driving system according to a first embodiment of the present invention, comprising: a handle 200 connected to a body of a cleaner; A connection rod 210 connected to the lower end of the handle 200; First to third conductors 221, 222, and 223 having central portions fixed to the connecting rods 210, both ends protruding from the connecting rods 210, and spaced apart from each other sequentially; A direct current power supply (300) for supplying voltages of opposite polarities to the first and third conductors (221, 223) and the second conductor (222) located in the middle; A first electrode terminal 231 positioned between the left ends of the first and second conductors 221 and 222 protruding from the connecting rod 210; A second electrode terminal 232 positioned between the left ends of the second and third conductors 222 and 223 protruding from the connecting rod 210; A third electrode terminal 233 located between right ends of the first and second conductors 221 and 222 protruding from the connecting rod 210; A fourth electrode terminal 234 positioned between right ends of the second and third conductors 222 and 223 protruding from the connecting rod 210; A first motor 110 connected to the first and second electrode terminals 231 and 232, respectively, and operated by receiving power; A left driving wheel 101 which rotates by receiving the rotational force of the first motor 110; A second motor 120 connected to the third and fourth electrode terminals 233 and 234, respectively, and operated by receiving power; The right driving wheel 102 rotates by receiving the rotational force of the second motor 120.

Here, the DC power supply 300 preferably provides a negative voltage (-V) to the first and third conductors 221 and 223 and a constant voltage (+ V) to the second conductor 222. .

The first to fourth electrode terminals 231, 232, 233, and 234 are fixed, and the electrode terminals may be fixed in various ways in the cleaner.

9A to 9D are diagrams for describing an operation in which the driving wheels move forward, backward, left turn and right turn in the cleaner driving system according to FIG. 8, which is a first embodiment of the present invention. First, FIG. 9A illustrates a state in which the cleaner moves forward. As illustrated, when the user pushes the handle 200 downward, the first conductor 221 connected to the connecting rod 210 in the state of FIG. 8 is in contact with the first and third electrode terminals 231 and 233. The second conductor 222 is in contact with the second and fourth electrode terminals 232 and 234.

Therefore, the negative voltage of the first conductor 221 is provided to the top contact of the first and second motors 110 and 120 through the first and third electrode terminals 231 and 232, and the constant voltage of the second conductor 222 is set to the first voltage. Since the second and fourth electrode terminals 233 and 234 are provided as the lower contact points of the first and second motors 110 and 120, the first and second motors 110 and 120 rotate forward and the cleaner moves forward.

And, in order for the cleaner to reverse, when the user pulls the handle 200 upward, as shown in FIG. 9B, the second conductor 222 connected to the connecting rod 210 is connected to the first and third electrode terminals 231 and 233. The third conductor 223 is in contact with the second and fourth electrode terminals 232 and 234.

Therefore, the constant voltage of the second conductor 222 is provided to the upper contact point of the first and second motors 110 and 120 through the first and third electrode terminals 231 and 233, and the negative voltage of the third conductor 223 is set to the first voltage. Since the second and fourth electrode terminals 233 and 234 are provided as the lower contact points of the first and second motors 110 and 120, the first and second motors 110 and 120 reversely rotate to reverse the cleaner.

In addition, when the user pushes the handle 200 to the left in order for the cleaner to turn left, as shown in FIG. 9C, the first conductor 221 connected to the connecting rod 210 is connected to the first motor 110. The second electrode terminal 232 is in contact with the first electrode terminal 231, and the second conductor 222 is connected to the first motor 110, and the third electrode terminal 233 is connected to the second motor 120. Contact with

The third conductor 223 is in contact with the third electrode terminal 234 connected to the second motor 120.

As a result, the first motor 110 is rotated forward, the second motor 120 is rotated reversely and the cleaner is rotated left.

In addition, when the user pushes the handle 200 to the right in order to turn the cleaner right, as shown in FIG. 9D, the first conductor 221 connected to the connection rod 210 may have a third electrode connected to the second motor 120. The second conductor 222 is in contact with the first electrode terminal 231 connected with the first motor 110 and the fourth electrode terminal 234 connected with the second motor 120. .

The third conductor 223 is in contact with the second electrode terminal 232 connected to the first motor 110.

Therefore, the first motor 110 rotates in reverse, the second motor 120 rotates forward, and the cleaner rotates right.

10 is a view illustrating a configuration of a cleaner driving system according to a second embodiment of the present invention, comprising: a handle 200 connected to a main body of a cleaner; A square ring 211 connected to an end of the handle 200; First and second electrode terminals 251 and 252 which penetrate one surface of the square ring 211 and protrude into the square ring 211 and are spaced at a predetermined interval and are fixed to the square ring 211 in a vertically parallel manner. ; Third and fourth electrode terminals 253 and 254 protruding into the square ring 211 through the other surface of the square ring 211 in parallel with the first and second electrode terminals 251 and 252; A first conductor 261 disposed on the first and third electrode terminals 251 and 253 in the quadrangular ring 211; A second conductor 262 positioned between the first and second electrode terminals 251 and 252 and the third and fourth electrode terminals 253 and 254 in the quadrangular ring 211; A third conductor 263 positioned below the second and fourth electrode terminals 252 and 254 in the square ring 211; A direct current power supply (300) for supplying voltages of opposite polarities to the first and third conductors (261, 263) and the second conductor (262); A first motor 110 connected to the first and second electrode terminals 251 and 252 and operated by receiving power; A left driving wheel 101 which rotates by receiving the rotational force of the first motor 110; A second motor 120 connected to the third and fourth electrode terminals 233 and 234, respectively, and operated by receiving power; The right driving wheel 102 rotates by receiving the rotational force of the second motor 120.

Here, the first to third conductors 261, 262 and 263 are fixed, and the conductors may be fixed in various ways in the cleaner.

In addition, the DC power supply 300 may provide a constant voltage (+ V) to the first and third conductors 261 and 263 and a negative voltage (-V) to the second conductor 262.

11A to 11D are diagrams for explaining an operation in which the driving wheel moves forward, backward, left turn and right turn in the cleaner driving system according to the second embodiment of the present invention, wherein the cleaner moves forward according to the second embodiment of the present invention. 11A, when the user pushes the handle 200 downward, the square ring 211 connected to the handle 200 is pushed downward so that the second conductor 262 is connected to the first and third electrode terminals 251 and 253. The third conductor 263 is in contact with the second and fourth electrode terminals 252 and 254.

That is, the negative voltage of the second conductor 262 is provided to the first and second motors 110 and 120 through the first and third electrode terminals 251 and 253, respectively, and the constant voltage of the third conductor 263 is Since the first and second motors 110 and 120 are provided through the four electrode terminals 252 and 254, respectively, the first and second motors 110 and 120 rotate forward and the cleaner moves forward.

And, in order for the cleaner to reverse, when the user pulls the handle 200 upward, as shown in Figure 11b, the square ring 211 is pulled upward, the first conductor 261 is the first and third electrode terminals ( 251 and 253, and the second conductor 262 is in contact with the second and fourth electrode terminals 252 and 254.

Therefore, the constant voltage of the first conductor 261 is provided to the first and second motors 110 and 120 through the first and third electrode terminals 251 and 253, respectively, and the negative voltage of the second conductor 262 is Since the first and second motors 110 and 120 are provided through the four electrode terminals 252 and 254, respectively, the first and second motors 110 and 120 rotate in reverse, and the cleaner is reversed.

In addition, when the user pushes the handle 200 to the left in order for the cleaner to turn left, as shown in FIG. 11C, the square ring 211 is pushed to the left, and the first conductor 261 is connected to the third electrode terminal ( 253, and the second conductor 262 is in contact with the first and fourth electrode terminals 251 and 254.

The third conductor 263 is in contact with the second electrode terminal 252.

Accordingly, the first motor 110 rotates forward, the second motor 120 rotates reversely, and the cleaner rotates left.

In addition, if the user pushes the handle 200 to the right in order to turn the cleaner right, as shown in FIG. 11D, the square ring 211 is pushed to the right, and the first conductor 261 is connected to the first electrode terminal 251. The second conductor 262 is in contact with the second electrode terminal 252 and the third electrode terminal 253.

The third conductor 263 is in contact with the fourth electrode terminal 254.

Therefore, the first motor 110 rotates in reverse, the second motor 120 rotates forward, and the cleaner rotates right.

As described above, according to the present invention, by pushing the handle of the cleaner downward, pulling upward, and pushing left and right to adjust the rotational direction of the motor, the user can select the cleaner to move forward, backward, left turn and right turn. There is an effect that can be diversified and convenient cleaning can be performed.

Although the invention has been described in detail only with respect to specific examples, it will be apparent to those skilled in the art that various modifications and variations are possible within the spirit of the invention, and such modifications and variations belong to the appended claims.

Claims (4)

A handle connected to the body of the cleaner; A connecting rod connected to the lower end of the handle; First to third conductors each having a central portion fixed to the connecting rods, and protruding from both ends of the connecting rods, and sequentially spaced apart from each other; A direct current power supply for supplying voltages having polarities opposite to each other to the first and third conductors and the second conductor positioned in between; A first electrode terminal positioned between the left ends of the first and second conductors protruding from the connecting rod; A second electrode terminal positioned between the left ends of the second and third conductors protruding from the connecting rod; A third electrode terminal positioned between right ends of the first and second conductors protruding from the connecting rod; A fourth electrode terminal positioned between the right ends of the second and third conductors protruding from the connecting rod; A first motor connected to each of the first and second electrode terminals and operated by receiving power; A left driving wheel that rotates by receiving the rotational force of the first motor; A second motor connected to each of the third and fourth electrode terminals and operated by receiving power; Cleaner driving system consisting of a right driving wheel that rotates to receive the rotational force of the second motor. The method of claim 1, The DC power supply, And a negative voltage (-V) to the first and third conductors, and a constant voltage (+ V) to the second conductor. A handle connected to the body of the cleaner; A square ring connected to an end of the handle; First and second electrode terminals penetrating through one surface of the quadrangular ring and protruding into the quadrangular ring, and spaced at regular intervals and fixed to the quadrangular ring in parallel to each other; Third and fourth electrode terminals protruding into the rectangular ring through the other surface of the square ring in parallel with the first and second electrode terminals; A first conductor positioned above the first and third electrode terminals in the quadrangular ring; A second conductor positioned between the first and second electrode terminals and the third and fourth electrode terminals in the quadrangular ring; A third conductor positioned below the second and fourth electrode terminals in the quadrangular ring; A direct current power supply for supplying voltages of opposite polarities to the first and third conductors and the second conductor; A first motor connected to the first and second electrode terminals and operated by receiving power; A left driving wheel that rotates by receiving the rotational force of the first motor; A second motor connected to the third and fourth electrode terminals and operated by receiving power; Cleaner driving system consisting of a right driving wheel that rotates to receive the rotational force of the second motor. The method of claim 3, wherein The DC power supply, Providing a constant voltage (+ V) to the first and third conductors and a negative voltage (-V) to the second conductor.

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