KR100414087B1 - Suction head in a vacuum cleaner - Google Patents

Abstract

The present invention relates to a suction head of a vacuum cleaner, comprising: a suction head of a vacuum cleaner configured to be mounted inside a case having a suction port formed therein so as to suck fluid and foreign substances, and to be provided with a power brush for promoting suction of fluid and foreign substances. A solenoid mounted on the inside of the case to reciprocate in the axial direction, the support shaft supporting the power brush, and a solenoid contacting one end of the support shaft and mounted outside the case to move the support shaft in the axial direction. And, the support shaft is composed of an elastic member mounted to return to the original position so that the power brush to perform the rotary motion and linear reciprocating motion at the same time to increase the cleaning efficiency.

Description

Suction head of vacuum cleaner {SUCTION HEAD IN A VACUUM CLEANER}

The present invention relates to a suction head of a vacuum cleaner, and more specifically, to a suction head of a vacuum cleaner capable of reciprocating the support shaft in an axial direction by mounting a solenoid on an outer circumferential surface of the vacuum cleaner in contact with a support shaft mounted on the suction head. It is about.

In general, a vacuum cleaner is a device having a function of collecting a fluid or other foreign substances by a strong suction force generated by the motor drive.

Such a vacuum cleaner has a dust collecting chamber and a driving chamber partitioned by an internal partition wall to suction and remove fluid and foreign matter, and is free to move by wheels, a corrugated pipe having one side connected to the dust collecting chamber of the main body, and the corrugated pipe. The main body consists of an extension tube connected to the other side of the handle is equipped with a suction force control switch is connected to the multi-stage, and the suction head is connected to the end of the extension tube and a power brush for sucking fluid and foreign matter When the motor mounted in the driving chamber generates suction force, the fluid or the foreign matter is sucked through the power brush, and the fluid or the foreign matter flows into the dust collecting chamber through the extension pipe and the corrugated pipe, and only the filtered air is driven. It is discharged to the outside through the seal.

1 is a lateral cross-sectional view of a suction head mounted on a vacuum cleaner, which is an example of the related art. As shown in FIG. 1, a suction head of a vacuum cleaner has an accommodation space 1a formed therein, and a fluid and A suction port 1b is formed to suck foreign substances and a case 1 having an outlet formed at one side thereof, and an accommodation space formed inside the case 1 in contact with the suction port 1b formed at the case 1. (1a) a support shaft (3) having both ends fixed to respective bearings (2), and a cylindrical cylinder (1) mounted at a predetermined portion of the support shaft (3) surrounding the support shaft (3). 11) and a power brush 10 composed of a brush bristle 12 formed in a spiral at a predetermined interval on the outer circumferential surface of the cylinder 11, and fixed to one side of the support shaft 3, the support shaft 3 and The first pulley 13 rotating together with the power brush 10 and the first pulley 13 A belt that rotates the power brush 10 by connecting the second pulley 15 and the first pulley 13 formed on the motor 14 mounted in parallel with the line direction to transmit the driving force of the motor 14. It consists of (16).

In the vacuum cleaner equipped with the suction head of the vacuum cleaner configured as described above, the suction force generated in the main body acts on the outside through the suction port 1b, and the power brush 10 mounted in contact with the suction port 1b is provided. ) Receives the rotational motion of the motor 14 to the belt 16 to rotate at a speed of about 3000 to 3600 rpm.

When the power brush 10 rotates, the brush brim 12 formed at a predetermined interval on the outer circumferential surface of the cylinder 11 rotates, and a predetermined portion of the brush brim 12 that rotates is the suction port 1b. It contacts the external cleaning surface through.

As the brush brim 12 rotates, the fluid and the foreign matter on the cleaning surface are promoted to be sucked into the suction port 1b by a suction force.

However, as shown in FIG. 2, the power brush 10 mounted to the suction head of the vacuum cleaner has a cylindrical shape and is fixed to the outer circumferential surface of the cylinder 11 having both ends fixedly mounted to the support shaft 3. Composed of spirally wound brush hairs 12 at intervals, a space of a predetermined interval is formed between each of the adjacent brush hairs 12.

Therefore, the fluid and the foreign matter formed on the cleaning surface of the portion in which the rotating brush bristle 12 is formed can be removed, but the fluid and foreign matters in contact with the empty space between the brush bristles 12 may be removed. There is a problem that the ability to remove the fluid and foreign matter is reduced because the (12) is not in contact.

An object of the present invention devised in view of the above-described point is to provide a suction head of a vacuum cleaner to enable a rotary motion and a linear reciprocating motion of the power brush mounted on the suction head of the vacuum cleaner.

1 is a side cross-sectional view of a suction head mounted on a vacuum cleaner as an example of the prior art;

Figure 2 is a detailed view of the power brush mounted to the suction head of Figure 1,

Figure 3 is a cross-sectional side view of the suction head mounted on the vacuum cleaner of an embodiment of the present invention.

** Description of symbols for the main parts of the drawing **

100: suction head 101: case

101a: accommodation space 101b: suction port

102: ball bearing 103: slip bearing

104: support shaft 105: spring

110: power brush 111: cylinder

112: brush hair 113: the first pulley

114: motor 115: second pulley

116: belt 120: solenoid

121: frame 122: coil

123: fixed iron core 124: movable iron core

The suction device of the vacuum cleaner for achieving the object of the present invention as described above is mounted on the inside of the case formed with a suction port to suck the fluid and foreign matter is rotated and equipped with a power brush for promoting the suction of the fluid and foreign matter In the suction head of the vacuum cleaner, a support shaft for reciprocating in the axial direction from the inside of the case to support the power brush, and is mounted on the outside of the case in contact with one end of the support shaft is the axis of the support shaft It consists of a solenoid to be moved in the direction and the elastic member mounted to return the support shaft to its original position.

Hereinafter, a suction device of a vacuum cleaner according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

3 is a lateral cross-sectional view of a suction head mounted on a vacuum cleaner according to an embodiment of the present invention. As shown, the suction head 100 of the vacuum cleaner has an accommodation space 101a formed therein, and a suction port 101b at a bottom thereof. Is formed, and both ends thereof are formed by a case 101 having an outlet (not shown) formed at one side thereof and a slip bearing 103 mounted at an inner ring of the ball bearing 102 fixed to the case 101. The support shaft 104 is supported and mounted, a cylindrical body 111 mounted on a predetermined portion of the support shaft 104 and surrounding the support shaft 104 and a peripheral distance of the outer peripheral surface of the cylinder 111 And a power brush 110 composed of brush hairs 112 formed in a spiral shape, one end of which is supported by the power brush 110, and the other end of which is supported by the slip bearing 103 mounted to the support shaft 104. Mounted on the spring 105 and fixed to one side of the support shaft 104 The first pulley 113 that rotates together with the support shaft 104 and the power brush 110, and the second pulley 115 formed in the motor 114 mounted in parallel with the axial direction of the first pulley 113 ) And a belt 116 for rotating the power brush 110 by transmitting a driving force of the motor 114 by connecting the first pulley 113 and the support shaft 104 to the outside of the case 101. And a solenoid 120 mounted to contact the support shaft 104 to move in the axial direction.

The solenoid 120 is in contact with one end of the support shaft 105 and the frame 121 is fixed to a certain outer portion of the case 101, the coil 122 mounted inside the frame 121 and A fixed iron core 123 mounted inside the coil 122 and wrapped by the coil 122 and a fixed iron core 123 are attached to one end of the support shaft 105 in the axial direction. The movable iron core 124 is moved.

The suction head 100 of the vacuum cleaner configured as described above generates a strong suction force to suck the fluid and foreign matter, etc. in the body (not shown) of the vacuum cleaner, the suction force of the suction head 100 It acts on the outside through the suction port 101b formed in the bottom surface to suck the fluid and foreign matter.

At this time, when electric power is supplied to the motor 114 mounted in the inner accommodating space 101a of the case 101, the motor 114 rotates, and the rotational movement of the motor 114 is the belt 116. The power brush 110 which is transmitted to the first pulley 113 by interlocking with the first pulley 113 and mounted to contact the suction port 101b rotates at a speed of about 3000 to 3600 rpm. do.

At the same time, when a current is supplied to the coil 122 of the solenoid 120, a magnetic field is generated, and the support shaft 104 is moved in the left direction (a direction) of the figure by interaction with the movable iron core 124. Each spring 105 having one end fixed to the support shaft 104 is tensioned and compressed to retain elasticity. When the current is interrupted in the coil 122, the magnetic field formed in the coil 122 It is extinguished and returned to its original position by the elastic restoring force of the spring 105.

As the current is sequentially supplied, the support shaft 104 and the power brush 110 rotate, and the linear reciprocating motion can be repeated from side to side.

As described above, when the power brush 110 rotates and the left and right linear reciprocating is repeated, the brush brim 112 formed at a predetermined interval on the outer circumferential surface of the cylinder 111 rotates and reciprocates linearly from side to side. Since the movement is repeated, the cleaning surface that the brush bristles 112 did not come into contact with by the interval of each bristle 112 in the conventional structure disappears.

As described above, the suction head of the vacuum cleaner according to the present invention has an effect of obtaining a higher cleaning efficiency than the conventional vacuum cleaner by simultaneously performing a rotational motion and a linear reciprocating motion in the axial direction.

Claims (4)

In the suction head of the vacuum cleaner which is mounted to the inside of the case formed with the suction port to suck the fluid and foreign matter, and equipped with a power brush for promoting the suction of the fluid and foreign matter, A support shaft mounted to reciprocate in the axial direction in the case and supporting the power brush, and a solenoid contacting one end of the support shaft and mounted outside the case to move the support shaft in the axial direction; And an elastic member mounted to return the support shaft to its original position. The suction head of claim 1, wherein the support shaft is fixed to a slip bearing supporting the support shaft and a ball bearing supporting the slip bearing and fixed to the case to rotate and linearly reciprocate. . 2. The solenoid of claim 1, wherein the solenoid is in contact with one end of the support shaft and is fixed to an outer side of the case, a coil mounted inside the frame, and mounted inside the coil and wrapped by the coil. The suction head of the vacuum cleaner, characterized in that the fixed iron core, and the movable iron core in contact with the fixed iron core is mounted to one end of the support shaft is moved in the axial direction. The suction head of claim 1, wherein one end of the elastic member is supported by the slip bearing, and the other end is a spring supported by a power brush mounted to the support shaft.