KR20060128098A - Combination nozzle for vacuum cleaner - Google Patents

Abstract

A compound nozzle for a vacuum cleaner is provided to improve the constraint force by forming the fixing projection and the fixing groove at the brush frame and the nozzle body, thereby preventing a brush frame and a nozzle body from being separated even when impacting the brush frame. A compound nozzle(420) for a vacuum cleaner comprises: a brush frame(430) in which a suction hole(432) is bored to flow the impurities, wherein a brush(434) is formed at one side to separate the impurities from the floor; and a nozzle body(440) communicated with the extension pipe, wherein one side is sliding-combined with the brush frame to support the frame. A fixing projection(446) and a fixing groove(438) are mounted at one side of the frame and the nozzle body to prevent the frame and the body from being separated. The fixing projection and the fixing groove are mutually corresponded.

Description

Combination nozzle for Vacuum Cleaner}

1 is a perspective view showing the rear appearance of a general upright vacuum cleaner.

Figure 2 is an exploded perspective view showing a disassembled composite nozzle configuration of a general upright vacuum cleaner.

Figure 3 is a side perspective view showing the appearance of an upright type vacuum cleaner employing a preferred embodiment of the present invention.

Figure 4 is a perspective view showing the exploded composite nozzle of the vacuum cleaner according to the present invention.

Figure 5 is a longitudinal cross-sectional view showing a state when the fixing projection and the fixing groove constituting the main portion of the vacuum cleaner composite nozzle according to the present invention.

Explanation of symbols on the main parts of the drawings

100. Head 120. Wheel

140. Height adjustment knob 200. Body

210. Unit mounting part 212. Detachable groove

214. Unit binding protrusion 220. Lamp

230. Mini Nozzle 232.Nozzle Fastening Tube

240. Nozzle fastening means 250. Handle

252. Operation Buttons 260. Hose Seat

270. Extension pipe 280. Suction hose

290. Accessory Storage 292. Supports

300. Dust collection unit 320. Dust collector

340. Dust cover 342. Dust collector handle

344. Removable lever 400. Accessories

410. Knife Nozzle 420. Composite Nozzle

430. Brush frame 432. Suction hole

434. Brushes 436. Joints

438. Fixing groove 440. Nozzle body

442. Fasteners 444. Flange

446. Fixing protrusions

The present invention relates to a composite nozzle of a vacuum cleaner, and relates to a composite nozzle of a vacuum cleaner, which is formed so as to be coupled to each other by forming a fixing protrusion and a fixing groove on one side of a brush frame and a nozzle body constituting the composite nozzle. will be.

Hereinafter, the configuration of the vacuum cleaner will be described by taking an upright type as an example.

1 is a perspective view showing the rear appearance of a general upright vacuum cleaner.

As shown, the upright vacuum cleaner moves along the bottom surface, and includes a head 60 for sucking air containing foreign matter and a suction force for sucking air containing foreign matter through the head 60. The built-in body 70, and is installed on the upper portion of the body 70 has a configuration including a control unit 72 for enabling the user to operate in a gripped state when using the cleaner.

The head 60 is a portion for sucking air through an inlet (not shown) formed on the bottom surface. Therefore, a suction port (not shown) is formed at the bottom of the head 60 to serve as a suction passage of external air. In addition, the rear wheels of the head 60 is generally provided with a moving wheel 62 to easily move the body 70.

The body 70 is configured to be rotatable within a predetermined angle range with respect to the head 60. That is, the body 70 is coupled to be rotatable in a range of a predetermined inclination angle to the rear with respect to the head 60, the rear end of the upper surface of the head 60 to control the rotation of the body 70 The rotation lever 64 is further provided.

A front surface of the body 70 is provided with a dust collecting unit (not shown) for filtering and collecting the foreign matter sucked from the head 60 in a predetermined manner. The dust collecting unit (not shown) may be mounted to be selectively withdrawn from inside the body 70 to empty foreign matter accumulated in the dust collecting unit (not shown).

In addition, a discharge part 73 is provided on the right side of the body 70 to discharge the air filtered by the dust collecting unit (not shown) to the outside of the body 70. In addition, an exhaust filter (not shown) is provided inside the discharge unit 73. That is, the exhaust filter re-filters the foreign matter of the air discharged to the outside (indoor space) to discharge more comfortable air to the indoor space.

On the other hand, the wire fixing fixture 74 is formed in the rear center portion of the body 70. The wire fasteners 74 are preferably formed in pairs symmetrically with respect to the upper and lower ends of the rear surface of the body 70, and the wires C are wound and stored in the pair of wire fasteners 74.

A suction hose 76 formed of a flexible material is provided at the rear edge of the body 70. The suction hose 76 guides the flow of air including foreign matter sucked from the head 60, one end is in communication with the dust collecting unit (not shown), and the other end is an extension pipe 80 to be described below. It is configured to communicate with.

An extension pipe 80 is coupled to the end of the suction hose 76. The extension pipe 80 has a different outer diameter and the two inner perforated pipe is composed of a layer is adjustable in length.

That is, the extension pipe 80 is used to selectively remove from the body 70 at the time of removing foreign matters such as stairs or narrow gaps difficult to clean the head 60, the accessories 90 to be described below ) Can be easily removed from the stairs.

A flexible connection hose 78 is provided between the extension pipe 80 and the head 60. One end of the connection hose 78 is coupled to one side of the head 60 and the other end is fixed to one side of the rear surface of the body 70 to allow selective separation of the extension pipe (80).

Therefore, in order to couple the extension tube 80 and the accessory 90, the extension tube 80 coupled to one end of the connection hose 78 must be separated, and the accessory 90 at the end of the extension tube 80 thus separated. By combining the suction force generated by the motor (not shown) is transmitted to the accessory (90).

In addition, an accessory 90 is mounted on one side of the body 70, and more specifically, on the upper surface of the wire fastener 74 and the rear right side of the body 70. The accessory 90 is used in combination with the extension pipe 80 as described above, to remove the foreign matter attached to the knife-shaped nozzle 92 and the sofa or furniture used to suck the foreign matter accumulated in the narrow gap. It has a configuration including a composite nozzle 94 for.

The knife-shaped nozzle 92 has a cylindrical shape on the upper surface of the wire fixing hole 74 is inserted and stored in the first storage port 92 'protruding upward, the composite nozzle 94 is the rear of the body 70 It is inserted into the second storage port 94 'recessed and molded into a shape corresponding to that of the composite nozzle 94 on the right side to be stored.

Therefore, when the knife-shaped nozzle 92 or the composite nozzle 94 is to be used in a place where it is difficult to perform cleaning with the head 60, the first storage tool 92 'or the second storage tool 94'. After removal from the insert, it is possible to remove the foreign material using the accessory 90 by inserting the end of the extension tube 80 in the state as shown in the figure.

On the other hand, the composite nozzle 94 is composed of two parts, by combining and disassembling these two parts to achieve the optimal cleaning performance for cleaning the furniture or sofa.

2 is an exploded perspective view showing an exploded configuration of a composite nozzle of a general upright vacuum cleaner.

As shown in the figure, the composite nozzle 94 has a brush 96 'largely formed on a bottom surface thereof, and a brush frame 96 suitable for performing a cleaning of a sofa or the like, and one side of the composite frame 94 slides on an upper surface of the brush frame 96. It is configured to include a nozzle body 98 is coupled to the upper end portion 80 in the inserted state.

Perforated suction hole 97 is formed in the central portion of the brush frame 96 to enable foreign matter on the cleaning surface to flow therein, and a stepped coupling portion (100) to correspond to the shape of the lower end of the nozzle body (98) above the inner side ( 97 ') is formed so that the nozzle body 98 is slidingly fastened.

More specifically, the nozzle body 98 and the brush frame 96 are coupled to each other by sliding and receiving a flange 98 'formed at a lower end of the nozzle body 98 in the coupling part 97'. .

However, the vacuum cleaner according to the related art as described above has the following problems.

That is, since the nozzle body 98 and the brush frame 96 are fixed to each other only by the coupling of the flange 98 'and the coupling part 97', the coupling force of the nozzle body 98 and the brush frame 96 is deteriorated. There is this.

In addition, when the impact is applied to the brush frame 96 in the process of cleaning the combined nozzle 94 to the extension pipe 80, the brush frame 96 is easily separated from the nozzle body 98 to perform the cleaning There is a problem that the ease of use is reduced.

Therefore, an object of the present invention is to solve the problems of the prior art as described above, by forming a fixed protrusion and a fixing groove on one side of the brush frame and the nozzle body constituting the composite nozzle, respectively, to increase the binding force brush frame at the time of cleaning The present invention provides a composite nozzle of a vacuum cleaner which prevents the brush frame and the nozzle body from being separated from each other even when an impact is applied.

According to a feature of the present invention for achieving the above object, the composite nozzle of the vacuum cleaner according to the present invention is selectively coupled to the adjustable length extension tube of the vacuum cleaner to suck the foreign matter attached to a narrow place or furniture In the composite nozzle, the composite nozzle, the suction hole is drilled therein, the foreign material is possible to flow, the brush is formed on one side and the brush frame capable of separating foreign matter attached to the bottom surface; It is coupled to communicate with the extension tube, one side is slidingly coupled to the brush frame to support the brush frame; having a configuration comprising a, the brush frame and the nozzle body is coupled to each other the brush frame and the nozzle It is characterized in that the fixing projection and the fixing groove is provided so that the body is not separated.

The fixing protrusion and the fixing groove is formed in a shape corresponding to each other.

The fixing projection and the fixing groove, characterized in that formed long in the direction perpendicular to the coupling direction of the nozzle body and the brush frame.

According to such a configuration, the nozzle body and the brush frame are not easily separated from the external impact, thereby increasing the ease of use of the composite nozzle.

Hereinafter, the composite nozzle of the vacuum cleaner configured as described above will be described in detail by applying to an upright vacuum cleaner.

3 is a side perspective view showing the external configuration of an upright vacuum cleaner employing a preferred embodiment of the present invention.

As shown in the figure, the upright type vacuum cleaner is moved along the bottom surface and the head 100 for sucking the outside air and foreign matter, and is rotatably connected to one side of the head 100, the fan motor ( A body 200 including a plurality of components, and a dust collecting unit 300, which is selectively detachably provided inside the body 200, and collects a foreign material therein, are configured.

The head 100 moves in a state close to the bottom surface, and a suction port (not shown) communicating with the inside of the head 100 is perforated to form a foreign material on the bottom surface together with air. And the head 100 is generally provided with moving wheels 120 on both sides to facilitate the movement.

The connection portion of the head 100 and the body 200 is configured to be rotatable with each other within a predetermined angle range. That is, the body 200 is coupled to be able to rotate rearward with respect to the head 100. A rotating lever (not shown) is provided at the rear end of the upper surface of the head 100 so as to selectively control the rotation of the body 200. FIG. Is provided.

Therefore, when the user steps on the pivot lever (not shown) by using the foot, the body 200 is released from the head 100 and can be pivoted backwards, whereby the user can adjust the body according to his height. The bottom surface can be cleaned while adjusting the angle to 200).

The upper surface of the head 100 is provided with a height adjustment knob 140 to adjust the separation distance between the bottom surface and the cleaning surface of the head 100. The height adjusting knob 140 is rotatably mounted, and the vacuum cleaner is optimally capable of performing cleaning by adjusting the separation distance between the head 100 and the cleaning surface according to the state of the cleaning surface (with or without carpet) by the rotation. To exercise.

On the other hand, as described above, the body 200 has a fan motor (not shown) built therein to generate suction force, so that the foreign substance of the cleaning surface is sucked together with air through the head 100.

In addition, the dust collecting unit 300 is installed at the front center of the body 200. The dust collecting unit 300 serves to filter foreign matter in the air sucked through the head 100 and is formed in a shape corresponding to the dust collecting unit 300 from the front of the body 200 to the rear. The unit mounting portion 210 is configured to be selectively removable.

The dust collecting unit 300 is generally configured to filter foreign matter by a cyclone method, to collect foreign matter by a separate filter, or to collect the foreign matter therein by simultaneously performing a cyclone method and a filter method. do.

The dust collecting unit 300 has an overall appearance by a cylindrical dust collecting container 320 in which foreign matter is collected therein, and a dust collecting cover 340 shielding the upper portion of the dust collecting container 320. In addition, the dust collecting cover 340 is formed to be rounded to form a dust collecting handle 342 spaced apart from the upper surface of the dust collecting cover 340 to facilitate the user's grip.

The dust collecting handle 342 is provided with a detachable lever 344. The detachable lever 344 is to allow the upper end of the dust collecting unit 300 to be selectively fixed to the unit mounting portion 210. Therefore, when the removable lever 344 is pushed backward while the dust collecting handle 342 is held, the dust collecting unit 300 can be separated from the unit mounting unit 210.

In the front of the body 200, more specifically the rear side of the detachable lever 344, the detachable groove 212 is formed to be recessed to the rear. The detachable groove 212 is accommodated inside one end of the detachable lever 344 to regulate the flow of the detachable lever 344 so that the dust collecting unit 300 is not detached from the unit mounting unit 210.

In front of the lower end of the unit mounting portion 210, a unit constraining protrusion 214 protruding upward is further formed. The unit confinement protrusion 214 is constrained so that the inner surface is in contact with the outer peripheral surface of the dust collecting container 320 so that the dust collecting unit 300 is not removed to the front.

A lamp 220 is provided below the unit confinement protrusion 214. The lamp 220 plays a role of illuminating the front of the vacuum cleaner and is composed of a small bulb or LED (LED), and cleaning is performed by selectively lighting by a user's operation when cleaning the table or the corner. Will help.

On the other hand, the mini-nozzle 230 is mounted on the front upper portion of the body 200. The mini-nozzle 230 is configured to have a relatively smaller size than the head 100, and although not shown, a suction port is formed on the bottom surface such as the bottom of the head 100, such as a narrow space or a stair head 100 ) Is used to remove foreign substances on the cleaning surface which is difficult to perform cleaning.

That is, the upper end of the mini-nozzle 230 is formed with a cylindrical nozzle fastening tube 232, the inside of which communicates with the inside of the mini-nozzle 230, the nozzle fastening tube 232 is an extension pipe 270 will be described below By selectively fastening to), it is possible to perform the cleaning using the mini-nozzle 230.

In addition, the mini-nozzle 230 is selectively detachably mounted to the nozzle fastening means 240. That is, the nozzle fastening means 240 is formed so that the front corresponds to the rear shape of the mini-nozzle 230 and the rear surface is configured to surround the front and left and right sides of the body 200 as shown in the figure.

Thus, the mini-nozzle 230 can be selectively separated from the nozzle fastening means 240 and the nozzle fastening means 240 can also be selectively separated from the body 200.

On the upper side of the nozzle fastening means 240 is formed a handle 250 to enable the user to grip when performing cleaning using a vacuum cleaner. In addition, the handle 250 allows the user to operate the vacuum cleaner in a gripped state. That is, it is common that the front surface of the handle 250 is provided with an operation button 252 sliding in the vertical direction to control the operation of the vacuum cleaner.

On the other hand, the hose seating portion 260 is protruded to the rear side on one side of the handle 250. The hose seating portion 260 is to restrict the flow of the flexible connection hose (not shown) is mounted, the connection hose mounted to the hose seating portion 260 is one end of the left side of the body 200 It is coupled to the lower portion (as viewed from the rear of Figure 2) and the other end is fixedly coupled to the extension tube 270 to be described below.

Therefore, the suction force generated from the fan motor of the body 200 can be transmitted to the extension pipe 270 via the dust collecting unit 300 and the connection hose (not shown).

On the other hand, the lower end of the connection hose (not shown) is provided with an extension pipe 270. The extension pipe 270 is formed so that the length of the two pipes with different diameters are configured in a fold. In addition, the extension pipe 270 is configured to be selectively removable from the back of the body 200 to be coupled with the mini-nozzle 230 as mentioned above.

More specifically, it is coupled to communicate with the suction hose 280 flexible formed at the lower end of the extension pipe 270, by being selectively separated from the suction hose 280, including accessories described below, including the mini-nozzle 230 It is possible to combine with the 400 and to help the foreign body suction of the corner cleaning area.

The right side of the body 200 is provided with an accessory storage 290 to protrude to the right side and to be supported in the state in which the accessory 400 is inserted in the upper portion. The accessory rib retainer 290 is formed with an insertion rib (not shown) having a cross section of a "+" shape on the upper surface of the support part 292 having a substantially disk shape, and a square plate reinforcement rib at the bottom of the support part 292. 294 is formed.

Therefore, when the insertion rib is inserted into the knife-shaped nozzle 410 to be described below, the knife-shaped nozzle 410 can be stored on the upper surface of the support portion 292 in a restricted flow state, by the reinforcing rib 294. The load of the accessory 400 is upwardly supported, and the breaking strength of the support 292 is also reinforced.

Meanwhile, the accessory 400 is inserted and stored above the accessory storage tool 290 as described above. The accessory 400 is to be used in conjunction with the extension tube 270, such as the mini-nozzle 230, knife-shaped nozzle 410 for suctioning foreign objects in narrow and deep gaps, such as doors, and furniture or sofa It is configured to include a composite nozzle 420 useful for cleaning.

As the name suggests, the knife-shaped nozzle 410 has a narrow upper portion as a blade, so that the suction of foreign matter is effectively performed when cleaning the narrow gap between the furniture and the wall.

And, the knife-shaped nozzle 410 is configured so that the lower portion has a cylindrical shape, the lower portion of the cylindrical shape by receiving the upper part of the accessory storage sphere 290 protruded to the right side from the right side of the body 200 therein The knife-shaped nozzle 410 can be stored in a standing state.

That is, the knife-shaped nozzle 410 is stored in a state accommodating the accessory storage sphere 290 inside and selectively separated and inserted into the lower end of the extension pipe 270, the suction force of the fan motor (not shown) By being delivered, inhalation of foreign matter is possible.

On the other hand, the upper portion of the knife-shaped nozzle 410 is provided with a composite nozzle 420. The composite nozzle 420 is composed of two parts, and by inserting the two parts into the extension pipe 270 in a state of selectively combining and disassembling the two parts to perform the optimal cleaning performance for cleaning the furniture or sofa.

Hereinafter, the configuration of the composite nozzle 420 will be described in detail with reference to the accompanying drawings.

Figure 4 is an exploded perspective view of the composite nozzle of the vacuum cleaner according to the present invention.

As shown in the figure, the composite nozzle 420 is largely perforated with a suction hole 432 there is a brush frame 430 capable of flowing foreign matter, the brush frame 430 is coupled to the upper sliding the brush It is configured to include a nozzle body 440 for supporting the frame 430.

The brush frame 430 is an accessory 400 that is applied when the cleaning of the cleaning area in which the foreign material is difficult to remove from the head 100 like a sofa, and a plurality of brushes 434 are formed on the bottom edge. The brush 434 is to scrape and separate the foreign matter attached to the sofa surface like a broom, the foreign material separated from the sofa by the brush 434 is extended through the suction hole 432 extension tube 270 It is possible to flow into).

The nozzle body 440 is slidingly coupled to the upper portion of the brush frame 430 as described above. That is, a coupling part 436 bent in the direction of the suction hole 432 is formed at the front and rear and left ends of the brush frame 430 except for the right side, more specifically, the upper edge of the brush frame 430. do.

Therefore, the flange 444 of the nozzle body 440, which will be described below, is coupled to the coupling portion 436.

In addition, the brush frame 430 and the nozzle body 440 may be separated only in the direction coupled to each other by the coupling of the coupling portion 436 and the flange 444, that is, flow in all directions except the right side. Regulated.

On the other hand, the fixing groove 438, which is a main component of the present invention is recessed on the upper right side of the brush frame 430. The fixing groove 438 is configured such that the brush frame 430 and the nozzle body 440 are not separated from each other unless the user intends to slide after the sliding coupling with each other, and is combined with the fixing protrusion 446 to be described below. .

In addition, the fixing groove 438 is formed to have a large restraining force in order not to be easily separated by an impact with the outside during the cleaning using the composite nozzle 420. That is, the fixing groove 438 is recessed and formed long in the front and rear direction perpendicular to the left and right directions in which the brush frame 430 and the nozzle body 440 is fastened.

Therefore, the fixing groove 438 and the fixing protrusion 446 has a large contact area, so that the binding force of the fixing groove 438 and the fixing protrusion 446 can be improved.

The nozzle body 440 is fastened to the extension pipe 270 as described above is in communication with the inside. That is, the upper portion of the nozzle body 440 has a hollow cylindrical fastening tube 442 is protruded. The fastening pipe 442 is inserted into the extension pipe 270, or is coupled in a state where air leakage is prevented by receiving the contact with the outer peripheral surface of the extension pipe 270.

Therefore, when the fastening pipe 442 is coupled to the end of the extension pipe 270, the suction force generated in the body can be sequentially transmitted to the extension pipe 270, the fastening pipe 442 and the suction hole 432.

The lower end of the nozzle body 440 is provided with a flange 444 stepped outward. The flange 444 has a thickness corresponding to the recessed inner height of the coupling portion 436, and is inserted into the coupling portion 436 so that air leakage is blocked.

The brush frame 430 and the nozzle body 440 are inserted into the fixing groove 438 when the brush frame 430 and the nozzle body 440 are coupled to each other at the bottom right side of the flange 444 so that the brush frame 430 and the nozzle body 440 are separated from each other. The fixing protrusion 446 is provided so as not to be.

The fixing protrusion 446 is protruded to have a shape corresponding to the inner shape of the fixing groove 438 and is formed long in the same direction as the fixing groove 438. Accordingly, when the nozzle body 440 and the brush frame 430 are slidingly coupled, the fixing protrusion 446 is inserted into the fixing groove 438 to be completely joined so that the left and right sides (as shown in FIG. 4) interfere with each other.

In addition, the fixing protrusion 446 is formed integrally with the nozzle body 440. This is to prevent the fixing protrusion 446 from being easily separated from the nozzle body 440. The fixing protrusion 446 integrally formed from the nozzle body 440 is inserted into the fixing groove 438, thereby fixing the fixing protrusion 446. 446 and the fixing groove 438 is able to generate a significant restraining force compared to the size.

Hereinafter, the operation of the vacuum cleaner having the above configuration will be described with reference to FIGS. 2 to 5.

5 is a longitudinal cross-sectional view showing a state in which the fixing protrusion 446 and the fixing groove 438 constituting the main portion of the vacuum cleaner composite nozzle 420 according to the present invention at the time of mating with each other.

First, when the vacuum cleaner is operated by sliding the operation button 252 while holding the handle 250, a fan motor (not shown) built in the body 200 rotates to generate suction force. At this time, a suction force is transmitted to the suction port formed at the bottom of the head 100 to suck foreign matter and air from the bottom surface.

The air including the foreign matter sucked into the suction port passes through the suction hose 280, the extension pipe 270, and the connection hose (not shown) into the dust collection unit 300, so that the foreign matter is separated from the air to collect the dust. The dust is collected inside the unit 300.

In addition, the air filtered by the foreign material in the dust collecting unit 300 is introduced back into the body 200 and then the cleaning process is performed by repeating the process via the fan motor.

On the other hand, in order to remove the foreign matter attached to the outer surface of the furniture is used after mounting the nozzle body 440 in the state as shown in Figure 4 to one end of the extension pipe 270. That is, after coupling the fastening pipe 442 with the extension pipe 270, it is easy to remove the foreign matter attached to the furniture using the nozzle body 440.

In addition, in order to remove dust accumulated on the sofa, the brush frame 430 is slidably coupled to the bottom surface of the nozzle body 440 while the nozzle body 440 is mounted on the extension pipe 270. More specifically, first, the left portion of the flange 444 is inserted into the right side of the coupling portion 436 in the state as shown in FIG. 4.

In this case, the flange 444 is guided to the inner wall surface of the coupling portion 436 and is slid to the left side. When the nozzle body 440 is pushed slightly to the left side, the left side surface of the fixing protrusion 446 is the brush. Interference with the right side of the frame 430 occurs.

When the brush frame 430 and the fixing protrusion 446 are pushed with a stronger force in an interference state, the fixing protrusion 446 rides over the right side of the brush frame 430 and the fixing groove 438 as shown in FIG. 5. Is inserted into

When the fixing protrusion 446 is inserted into the fixing groove 438, the brush frame 430 and the nozzle body 440 does not slide with each other by the interference of the fixing protrusion 446 and the fixing groove 438, the user Unless intended, the fixing protrusion 446 is not separated from the fixing groove 438.

When the assembly of the composite nozzle 420 is completed, the user operates the operation button 252 to generate a suction force in the fan motor (not shown), thereby easily using the composite nozzle 420 to attach the foreign matter attached to the upper surface of the sofa. It becomes removable.

Such a scope of the present invention is not limited to the above-exemplified embodiments, and many other modifications based on the present invention will be possible to those skilled in the art within the above technical scope.

For example, in the present invention, the fixing protrusion is configured to protrude to the bottom of the nozzle body, but in some cases, the upper surface of the brush frame, more specifically, the position of each other by changing the fixing groove on the bottom of the flange, the fixing protrusion is brush frame It may also be configured to form and restrain each other by being formed on the upper surface of the.

As described in detail above, in the present invention, the fixing protrusions and the fixing grooves having the shapes corresponding to each other are formed on one side of the brush frame and the nozzle body so that the brush frame and the nozzle body are combined to each other.

Therefore, there is an advantage in that the restraint force is significantly improved compared to the conventional composite nozzle in which the fixing projection and the fixing groove is not formed.

In addition, due to the improvement in the binding force between the brush frame and the nozzle body, the separation of the brush frame and the nozzle body, which are frequently generated by the impact with the outside during the cleaning operation, does not occur, thereby increasing the convenience of use.

In addition, as long as the separation of the brush frame and the nose body is not forced by the user, the composite nozzle maintains the combined state, and thus the time required for cleaning is significantly reduced.

In addition, the brush frame and the nozzle body to improve the binding force of the brush frame to prevent loss and damage.

In addition, the above advantages are expected to improve the customer satisfaction, as well as increase the purchase desire.

Claims (3)

In the composite nozzle 420 of the vacuum cleaner which is selectively coupled to the adjustable extension pipe 270 to suck the foreign matter attached to a narrow place or furniture, The composite nozzle 420, A suction hole 432 is drilled therein to allow foreign material to flow, and a brush 434 is formed at one side to separate the foreign material attached to the bottom surface of the brush frame 430; Is coupled to communicate with the extension pipe 270, one side is slidingly coupled to the brush frame 430 to support the brush frame 430; has a configuration comprising a, One side of the brush frame 430 and the nozzle body 440 is coupled to each other is provided with a fixing protrusion 446 and the fixing groove 438 to prevent the brush frame 430 and the nozzle body 440 is separated. Vacuum nozzle combined nozzle. The composite nozzle of claim 1, wherein the fixing protrusion 446 and the fixing groove 438 are molded in a shape corresponding to each other. The method of claim 2, wherein the fixing protrusion 446 and the fixing groove 438, Composite nozzle of the vacuum cleaner, characterized in that formed in the direction perpendicular to the nozzle body 440 and the bonding direction of the brush frame 430.

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