KR200161354Y1 - Brush neck of vacuum cleaner - Google Patents

Abstract

The present invention is a vacuum cleaner having a brush neck mounted on the brush head, and a neck pipe mounted on the rear side of the brush neck so as to be rotatable via a hook to transfer dust sucked from the brush head to the dust collecting part side. The brush neck has a plurality of reinforcing ribs formed in the longitudinal direction on the outer peripheral surface of the rear side, and the neck pipe has a plurality of reinforcing ribs formed in the longitudinal direction on the outer circumferential surface of the front bent portion, the bending applied during the cleaning operation. The force is applied to the reinforcing ribs, thereby providing a vacuum neck reinforcement structure for the vacuum cleaner having the effect of preventing breakage at the joint between the brush neck and the neck pipe due to the bending load generated during the cleaning operation.

Description

Brush neck reinforcement structure for vacuum cleaner

(A) and (b) of FIG. 1 are external perspective views showing a hybrid vacuum cleaner that can selectively use a canister or upright type as needed.

FIG. 2 is a diagram showing main parts of the neck part connecting the brush head and the dust collecting part of FIG. 1 in more detail.

3 is a cross-sectional view showing a brush neck and a neck pipe coupled by a brush neck reinforcement structure for a vacuum cleaner according to the present invention.

(A) and (b) of FIG. 4 are detailed views of the brush neck shown in FIG.

(A) to (e) of FIG. 5 are detailed views of the neck pipe shown in FIG.

6 is a perspective view schematically showing the hook.

* Explanation of symbols for main parts of the drawings

30: main body 31: cylindrical body

32: wheel 33: dust collector

36: hose 39: handle

40: brush head 110: brush neck

112: spherical sliding body 114: connection portion

116: hook receiving groove 118, 119, 134, 135: reinforcing rib

The present invention relates to a brush neck structure combining a brush head and a main body of a vacuum cleaner having a function of collecting external dust or other foreign substances by a strong suction force generated by a motor drive. In detail, the brush neck is mounted on the brush head in the up and down direction, and on the outer circumferential surface of the neck of the brush neck, which is rotatably mounted on the rear side of the brush neck via a hook to transfer dust sucked from the brush head to the dust collecting part side. The present invention relates to a brush neck reinforcing structure for a vacuum cleaner, in which a plurality of reinforcing ribs are formed in a longitudinal direction to prevent breakage at a coupling portion of a brush neck and a neck pipe due to a bending load generated during a cleaning operation.

In general, a vacuum cleaner has a brush head that directly contacts a point to be cleaned to suck in dust and the like, and the general structure of such a vacuum cleaner is shown in FIG.

(A) and (b) of FIG. 1 are recently developed vacuum cleaners that can perform a combined function to take full advantage of the advantages of conventional canister type or upright type vacuum cleaners. It is an external perspective view showing a hybrid vacuum cleaner which can be selectively used as necessary regardless of each type by allowing the main body and the dust collecting unit to be detachable from each other.

This is largely the main body portion 30 having a pair of wheels 32 on both sides of the cylindrical body 31, and the dust collecting portion that can be detachably attached to the cylindrical body 31 of the main body portion 30 depending on the type of use of the cleaner (33), a hose (36) connecting the connecting pipe (34) formed on the cylindrical body (31) and the cover body (35) above the dust collector (33), and formed on both sides of the body of the dust collector (33). A handle 39 formed through a hose holder holder 38 freely adjustable in accordance with the operation of the push button 37 in the guide grooves 33a and 33b, and a ball shape formed below the dust collecting part 33. Consists of a brush head 40 that accommodates the brush neck 33c of the brush so as to tilt the dust collector 33, of which the neck portion for connecting the brush head 40 and the dust collector 33 to each other will be described in more detail. Is as follows.

As shown in FIG. 2, the neck portion is accommodated in the brush head 40 and is accommodated in the ball shape brush neck 33c and the dust collector 33 lower end which can be rotated forward and backward with respect to the brush head 40. It consists of a substantially cylindrical neck pipe 50, the rear end of the brush neck 33c is made of a substantially cylindrical rotatably mounted inside the neck pipe 50 via the hook 51 Bar, the user can rotate the handle 39 with respect to the brush head 40, or rotate the front, rear, left and right during the cleaning operation.

However, the conventional coupling portion of the brush neck 33c and the neck pipe 50 as described above has a problem in that it does not endure the load transmitted during the cleaning operation and is often broken, thereby reducing the life of the vacuum cleaner.

The present invention is devised to solve the conventional problems as described above, the object of the vacuum cleaner to prevent the damage to the site during the cleaning operation by reinforcing the brush neck portion joining the main body and the brush head of the vacuum cleaner It is to provide a brush neck reinforcement structure for the vacuum cleaner to extend the life of the.

As a technical configuration for achieving the above object, the present invention, the brush neck is mounted to the brush head, and the dust collecting portion, such as dust is sucked from the brush head mounted on the rear side of the brush neck rotatably mounted through a hook; In the vacuum cleaner having a neck pipe for transmitting to the side, the brush neck is formed in the longitudinal direction a plurality of reinforcing ribs on the outer peripheral surface of the rear side, the neck pipe is formed in the longitudinal direction a plurality of reinforcing ribs on the outer peripheral surface of the front bent portion By providing a brush neck reinforcement structure for a vacuum cleaner, characterized in that.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

3 is a cross-sectional view showing a brush neck and a neck pipe coupled by a brush neck reinforcement structure for a vacuum cleaner according to the present invention, and FIGS. 4 and 5 show each of the brush neck and the neck pipe shown in FIG. Figure is shown.

The general configuration of connecting the brush head 40 and the dust collecting part 33 via the brush neck 110 and the neck pipe 130 is the same as in the related art.

Brush neck 110 of the present invention is shown in more detail in Figure 4, (a) is a partial cross-sectional view, (b) is a cross-sectional view taken along the line A-A 'of (a), the brush neck 110 is It has a hollow spherical sliding body 112, one side of the sliding body 112 and its opposite side is cut to form an air passage, and one side of the cut portion is a pipe-shaped connection portion directed to the sphere center ( 114 is formed to extend a predetermined length to the outside. The pipe-shaped connecting portion 114 of the brush neck 110 has a proper thickness and has a protrusion having a predetermined shape toward the outer circumferential surface side, and the protrusion has a hook accommodation groove 116 and a reinforcing rib 118 (119) that are hook fixed positions. ) Is that. The hook receiving groove 116 is a recess for accommodating the hook 150 shown in FIG. 6, and the reinforcing ribs 118 and 119 are connected to the connecting portion 114 as shown in more detail in FIG. Reinforcing ribs 118 formed on the outer circumferential surface in the same direction as the air flow direction in the upper and lower sides protrude in the vertical direction up and down and the reinforcement ribs 119 formed in the left and right protrude in the horizontal direction.

Of course, the sliding body 112 of the brush neck 110 forms a protrusion 113 for accommodating the brush head 40 at a position facing each other on the front outer peripheral surface thereof.

Neck pipe 130 of the present invention is shown in more detail in Figure 5, (a) is a cross-sectional view is made of a substantially cylindrical shape, the front portion is bent at a slight angle and the bent portion of the brush neck ( A hook receiving through hole 132 having a substantially rectangular shape is provided at a position corresponding to the hook receiving recess 116 of 110.

(b) is the neck pipe 130 seen from the direction "B" of (a), and the reinforcing rib 134 formed in the longitudinal direction on the bent outer peripheral surface is seen.

(c) is the neck mipe 130 seen from the "C" direction of (a), the reinforcement rib 135 formed in the longitudinal direction on the bent outer peripheral surface is shown.

(d) is a detail view of the "D" part of FIG. (b), and the projection 140 for attaching the neck pipe 130 to the dust collector 33 is shown.

This protrusion 140 is a sliding surface protruding a predetermined length to the outside, forming a hole 142 in the center, and inclined downward toward the rear side as shown in the (E) line cutaway view of the (E) line of Figure (d) 144 is provided.

The present invention having such a configuration is as shown in FIG. 3, that is, the brush neck 110 and the neck pipe 130 can be rotated with respect to each other with the axis of the air flow in the same manner as the conventional method. The brush neck 110 is connected to the brush head 40 and the neck pipe 130 is mounted to the lower end of the dust collecting part 33.

When the cleaning operation is performed in the above state, the load applied to these coupling portions is mostly the bending force that causes the brush neck 110 and the neck pipe 130 to be bent, and such bending force is the rear of the brush neck 110. The reinforcing ribs 118 and the neck pipe 130 formed on the side outer circumferential surface are applied to the reinforcing ribs 134 and 135 formed on the outer circumferential surface of the bent portion, so that the brush neck 110 and the neck pipe 130 are bent by the bending force. It is not broken.

According to the brush neck reinforcement structure for a vacuum cleaner according to the present invention as described above, the thickness suitable for each outer peripheral surface of the brush neck 110 and the neck pipe 130 connecting the brush head 40 and the dust collecting part 33. Reinforcing ribs 118, 134 and 135 having a predetermined length in the same direction as the direction of the air flow, that is, the bending force applied during the cleaning operation, the bending force is reinforced ribs 118, 134 ( 135) has an effect of preventing breakage at the joint of the brush neck and the neck pipe due to the bending load generated during the cleaning operation.

Claims (3)

The brush neck is mounted to the rear of the brush head 40 so as to be rotatable in the up and down directions, and the dust collecting part is mounted on the rear side of the brush neck so as to be rotatable through a hook and the dust sucked from the brush head 40. In the vacuum cleaner having a neck pipe for transmitting to the side, the brush neck 110 is formed in the longitudinal direction a plurality of reinforcing ribs on the outer peripheral surface of the rear side, the neck pipe 130 is a plurality of reinforcement on the outer peripheral surface of the front bent portion Brush neck reinforcement structure for vacuum cleaner, characterized in that the rib is formed in the longitudinal direction. The reinforcing rib of the brush neck 110 is a reinforcing rib 118 protruding in the vertical direction on the upper, lower side and the reinforcing rib 119 protruding in the horizontal direction on the left and right sides. Brush neck reinforcement structure for vacuum cleaner. The reinforcing rib of the neck pipe 130 is formed in the bent portion of the neck pipe 130, the inner reinforcing rib 134 is formed in the inner bent portion, the outer reinforcement in the outer bent portion Brush neck reinforcement structure for a vacuum cleaner, characterized in that the rib 135 is formed.