KR19990033890A - Sound absorption room of vacuum cleaner - Google Patents

Abstract

The present invention relates to a sound absorbing room that is adopted to surround the motor of the vacuum cleaner, and more particularly, it is possible to further improve the sound absorbing efficiency by extending the exhaust passage of the intake air exhausted from the motor, and assembling is easy while assembling. It is related with the sound absorption room of the vacuum cleaner which not only has the outstanding sealing force in a site | part, but can further improve the cleanliness of exhaust air.

According to the present invention, a plurality of holes 11 are formed at a predetermined interval in the upper inner circumferential surface of the long holes 11 for upwardly inducing air discharged from the motor 131, and the motor mounts 145 fitted to the rear end of the shaft 132 of the motor 131. A first air guider 10 recessed to form a seating portion 12 to which is installed; and a rear end of the first air guider 10 is assembled, and a front surface of the motor casing 131a of the motor 131 is assembled. The front casing 20 integrally formed with a circular portion 20a in contact with an inner surface of the motor packing member 141 in close contact with the inner surface and a square portion 20b for accommodating the first air guider 10; A second air guider 30 assembled at a rear end of the part 20b and having a plurality of lower holes 31 drilled at a lower side thereof, and a second air guider 30 vertically assembled to a rear end of the quadrangle 20b. In addition, the front end is assembled horizontally, the filter member 50 for exhausting the suction air guided through the lower hole 31, and filtering it It provides a sound-absorbing room of the vacuum cleaner comprising a; rear casing 40 having a rear exhaust hole 41 is mounted.

Description

Sound absorption room of vacuum cleaner

The present invention relates to a sound absorbing room that is adopted to surround the motor of the vacuum cleaner, and more particularly, it is possible to further improve the sound absorbing efficiency by extending the exhaust passage of the intake air exhausted from the motor, and assembling is easy while assembling. It is related with the sound absorption room of the vacuum cleaner which not only has the outstanding sealing force in a site | part, but can further improve the cleanliness of exhaust air.

In general, the vacuum cleaner is configured to have a function of collecting dust or other foreign matter on the floor cleaning surface as a strong suction force generated by the motor drive, the configuration of the vacuum cleaner 100, as shown in Figure 1, The partition wall 111 is partitioned into the dust collecting chamber 120 and the driving chamber 130, the rear wheel 119 is free to move the main body 110 and the suction brush that can suck the dust on the cleaning surface (not shown) Is a multistage extension tube (not shown) attached to the front end and connected in multiple stages, and a flexible conduit (not shown), which is connected to form an air passage and is detachably assembled at the front of the main body 110. do.

In addition, the dust collecting chamber 120 partitioned in the main body 110 is provided with a dust bag 125 for filtering and storing the dust and foreign matter contained in the air sucked from the surface of the flexible conduit, which is an air suction passage, The inner partition 111 is provided with an inlet 112 to pass only the filtered intake air, and the motor 131 is mounted in the drive chamber 130 so as to communicate with it.

Sound absorbing room 140 that absorbs the vibration and noise of the motor 131 is assembled in a bipartisan type as a plurality of screw members (143a) to mount the motor 131 in the inner space, the interior As it is configured to communicate with the intake port 112 formed in the partition wall 111, the suction air forced into the main body 110, the dust bag 125 of the intrinsic chamber 120 → intake section 112 → sound absorption An air flow path is formed through the room 140 and finally exhausted to the rear of the main body 110.

However, when the cleaning operation is performed using the vacuum cleaner 100 in which the conventional sound absorbing room 140 is employed, the front and rear casings are integrally assembled to be separable into two-part type as the screw member 143a ( 143), the sealing force at the assembly portion of the rear casing 144 to which the motor mount 145 is assembled and the assembly portion of the 144 and 144 are largely separated to generate a gap. A portion of the intake air to be finally filtered through the exhaust grill 151 to be discharged to the exhaust air in a clean state does not pass through the filter in the exhaust grill 151 and has a poor assembly state. There was a problem that the exhaust through the gap as it is.

In this case, as the worker and the surrounding people breathe exhaust air that is incompletely filtered, it is very harmful to health and greatly reduces sound absorption and sound insulation efficiency of the sound absorbing room 140 by the air exhausted through the gap of the poor sealing part. There was a problem of lowering the performance of the vacuum cleaner 100.

Therefore, the present invention has been made in order to solve the above problems, the purpose is to prevent the outflow of the suction air through the gap by excellent sealing at the assembly portion with each assembly, and further extend the exhaust passage The present invention relates to a sound absorbing room for a vacuum cleaner that can significantly improve sound absorption and sound insulation performance, and can discharge only clean exhaust air, which is harmless to the human body, to the outside.

1 is a longitudinal sectional view showing a general vacuum cleaner;

Figure 2 is an assembled perspective view showing a sound absorbing room of the vacuum cleaner according to the prior art,

3 is an exploded perspective view showing a sound absorbing room of a vacuum cleaner according to the prior art;

4 is an exploded perspective view showing a sound absorbing room of a vacuum cleaner according to the present invention;

5 is an assembled cross-sectional view showing a sound absorption room of the vacuum cleaner according to the present invention;

<Detailed Description of Major Parts of Drawing>

1 .... Sound-absorbing room 10 .... 1st Air Guider

11 .... long 12 .... seating

20 .... Front casing 20a .... Circular part

20b .... Square 23a, 23b, 33 ....

30 .... 2nd Air Guider 31 .... Lower Hole

32 .... Reinforcement ribs 13, 33 .... Fitting

40 .... Rear casing 41 .... Vent hole

50 .... Filter element 51 .... Exhaust grill

100 .... Vacuum cleaner 110 .... Main unit

130 .... Drive chamber 131 ..... Motor

The present invention for achieving the above object, a vacuum cleaner for cleaning the cleaning surface as a suction force of the motor having a dust collecting chamber in which the dust bag is built, and a main body partitioning the drive chamber in which the motor is built into the inner partition. A first air guider comprising: drilling a plurality of long holes for upwardly inducing air discharged from the motor to the upper inner circumferential surface at a predetermined interval, and forming a recess in which a motor mount fitted to the rear end of the motor is recessed; A front casing having a rear end assembled to the front end of the first air guider and integrally formed with a circular portion in which a motor packing member in close contact with the front surface of the motor casing of the motor is in contact with an inner surface and a rectangular part accommodating the first air guider. And a second air guider which is assembled at the rear end of the blind spot and drills a plurality of lower holes on the lower side thereof. And a rear casing having a rear end having an exhaust hole equipped with a filter member for exhausting the suction air guided through the lower hole, and filtering the same, together with the second air guider being assembled horizontally. By providing a sound absorbing room for the vacuum cleaner.

Hereinafter, the sound absorbing room of the vacuum cleaner according to the present invention will be described in detail with reference to the accompanying drawings.

Figure 4 is an exploded perspective view showing a sound absorbing room of the vacuum cleaner according to the present invention, Figure 5 is an assembled cross-sectional view showing a sound absorbing room of the vacuum cleaner according to the present invention.

Sound absorbing room 1 of the vacuum cleaner according to the present invention, as shown in Figs. 4 and 5, the first and second air guiders 10, 30 to generate a motor 131 for generating a strong suction force to enable cleaning work In addition, the front and rear casings 20 and 40 are mounted in the front to absorb the generated vibration of the motor 131 generated during driving, and the air flow path of the intake air exiting from the motor 131 is conventionally known. Compared to the previous to absorb the noise, and to block the air leakage through the gap in the assembly portion as in the conventional, the drive chamber 130 of the main body 110 to finally exhaust only the intake air that is cleanly filtered It is mounted inside.

That is, the sound absorbing room 1 according to the present invention is provided with the motor 131 in the inner space of the front and rear casings 20 and 40 which are easily assembled without a screw member, and is provided on the motor 131 and suctioned. The first air guider 10 extending the exhaust passage of the air is introduced into the motor 131 in communication with the intake port 112, the intake air filtering the dust and foreign matter primarily in the dust chamber 120 When the exhaust air is discharged through the through hole 132 formed in the body surface, the suction air exhausted through the body is guided and discharged to the upper side once, and then the suction air is directed to the upper side so that the air flow path is extended to the lower side through the outer peripheral surface thereof. A plurality of perforations 11 are installed in the upper inner circumferential surface at predetermined intervals, and a seating part 12 capable of installing a motor mount 145 fitted to the rear end of the shaft 132 of the motor 131 is disposed at the center of the inner surface. While the depression is formed, the first air guider 10 Round the top face is formed a projecting fitting protrusion 13 in the annular ring. In this case, the plurality of long holes 11 drilled on the outer surface of the first air guider 10 should be provided only on the upper inner circumferential surface of the horizontal line passing through the center of the motor 131 so as to extend the air flow path of the intake air. do.

In addition, the front casing 20 through which the circular hole 21 penetrates on the front surface so as to communicate with the intake port 112, the circular portion 20a where the motor casing 131a of the motor 131 is located and the motor ( 131) the body is formed by integrally equipped with the rectangular portion 20b, the inner surface of the circular portion 20a is in contact with the motor packing member 141 for absorbing motor vibration, the circular portion 20a The front casing 20 and the first air guider 10 are integrally formed by press-fitting the fitting protrusion 13 formed at the circular end of the first air guider 10 with an assembling groove 23a formed at the circular rear end of the first air guider 10. Assemble with In addition, the body of the motor 131, the outer surface of which is wrapped by the first air guider 10 is assembled to the square portion 20b.

In addition, the second air guider 30 is installed perpendicular to the rear end of the blind spot 20b so as to guide the suction air guided through the long hole 11 which is the only passage of the first air guider 10 to the lower side. As the fitting protrusion 33 formed on the outer circumference of the assembly groove 23b formed at the rear end of the quadrangle portion 20b and the assembly groove 43 of the rear casing 40 to be described later without assembly, screwed together, It is assembled vertically so as to seal the rear of the square portion 20b of the front casing 20. In addition, the lower surface of the second air guider 30 drills a plurality of lower holes 31 in communication therewith to guide the suction air guided to the lower side through the long hole 11 to the rear casing 40 side. On the other hand, the reinforcing rib 32 is integrally provided to prevent damage during assembly between adjacent lower holes 31.

In addition, the rear casing 40 which is integrally assembled without screwing to the rear end of the square portion 20b of the front casing 20 has a recessed assembly groove 43 at the square end thereof, so that By assembling with the other side of the fitting protrusion 33 of the second air guider 30, one side of which is fitted into the assembling groove 23b, induction discharges the suction air guided from the lower hole 31 to the rear, The through-hole exhaust hole 41 is provided with a filter member 50 for finally filtering the intake air to be guided exhaust and the exhaust grill 51 for fixing it.

When the sound-absorbing room 1 having the structure as described above is provided inside the driving chamber 130 of the vacuum cleaner 100 to perform the cleaning operation, the motor 131 mounted in the sound-absorbing room 1 internal space may be used. Forced suction into the dust bag 125 of the dust collecting chamber 120 by the suction force generated by the driving, and the first filtered suction air flows into the motor 131 communicating with the dust collecting chamber 120 and then outside the body. When discharged through the through-hole 132 of the surface, such suction air is naturally induced discharged toward the long hole 11 side of the upper inner circumferential surface of the first air guider 10 mounted to surround the outside of the motor 131. Next, the second air guider 30 is vertically installed so as to close the outer circumferential surface of the first air guider 10 and the quadrangle 20b of the front casing 20 and flows downward to the lower side. It is exhausted to the lower hole 31 side of the air guider (30).

Subsequently, the suction air guided to the lower hole 31 is bent upwardly toward the rear casing 40 in communication with the lower hole 31 and is externally provided through the filter member 50 mounted to the exhaust hole 41 formed at the rear thereof. To be discharged. That is, through the long hole 11 of the first air guider 10, the lower hole 31 of the second air guider 30, the exhaust hole 41 of the rear casing 40 and the filter member 50 in order The intake air forming the air flow path is finally filtered while passing through the filter member 50 and then exhausted out of the vacuum cleaner 100 in a clean exhaust air state.

In addition, the suction air for forming an air flow path to improve the performance of the vacuum cleaner 100 by increasing the sound absorption efficiency for the suction air discharged from the motor 131 and exhausted to the outside through the rear casing 40. The sound absorbing material may be attached to the first and second air guiders 10 and 30 in contact with each other, the rectangular portions 20b of the front casing 20 and the inner surfaces of the rear casing 40.

Therefore, according to the sound absorbing room 1 of the vacuum cleaner according to the present invention, the front casing 20 and the rear casing 40, in which the motor 131 having the first air guider 10 is built, have a second air guider ( 30) can be easily assembled without screwing, and the sealing at the assembling portion is good, thereby preventing the outflow of intake air through the gap as in the prior art, and providing the exhaust passage starting from the motor 131 as the first. By extending the air guider 10, 30 longer than in the prior art, the noise and sound insulation efficiency is remarkably improved, thereby improving the performance of the vacuum cleaner 100, as well as the clean exhaust air that is harmless to the human body. The effect of producing a high-clean vacuum cleaner that can be discharged is obtained.

Claims (6)

A dust collecting chamber 120 having a dust bag embedded therein and a main body 110 partitioning the driving chamber 130 in which the motor 131 is built into an inner partition wall are used to clean the cleaning surface as suction power of the motor 131. In the vacuum cleaner, a plurality of holes (11) for upwardly inducing the discharge air suctioned out of the motor 131 to the upper inner circumferential surface at a predetermined interval, the motor fitted to the rear end of the shaft (132) of the motor (131) A first air guider 10 recessed to form a mounting portion 12 in which the mount 145 is installed; and a rear end of the first air guider 10 is assembled, and a motor casing of the motor 131 is mounted. The front casing 20 integrally formed with a circular portion 20a in which the motor packing member 141 in close contact with the front surface is in contact with the inner surface and a square portion 20b for accommodating the first air guider 10. And a second air guider 30 which is assembled at the rear end of the blind spot 20b and drilled a plurality of lower holes 31 at a lower side thereof. And, the front end is assembled horizontally with the second air guider 30 that is vertically assembled to the rear end of the blind spot 20b, and exhaust the suction air guided through the lower hole 31, And a rear casing (40) having a rear exhaust hole (41) on which the filter member (50) to be filtered is mounted. The first air guider (10) of claim 1, wherein the long hole (11) is based on a horizontal line passing through the center of the motor (131) so as to extend an air flow path of intake air exiting from the motor (131). Sound absorbing room of the vacuum cleaner, characterized in that it is formed only on the upper inner peripheral surface. The vacuum cleaner of claim 1, wherein the second air guider (30) is integrally provided with a reinforcing rib (32) therebetween to prevent breakage of the lower hole (31) during assembly. room. According to claim 1, The suction air discharged from the motor 131, the long hole 11 of the first air guider 10, the lower hole 31 of the second air guider 30, the rear casing (40) Sound absorbing room of the vacuum cleaner, characterized in that to form an air passage passing through the exhaust hole 41 and the filter member (50) of. According to claim 1, wherein the first and second air guiders 10, 30, the blind portion 20b and the rear casing 40 of the front casing 20 increases the sound absorption efficiency for the intake air on the inner surface Sound absorbing room of the vacuum cleaner, characterized in that the sound absorbing material is attached so as to improve the performance of the vacuum cleaner (100). The second air guider (30) of claim 1, wherein the rear casing (40) is recessed to form an assembling groove (43) at a square end, and one side of which is fitted into the assembling groove (23b) of the square portion (20b). By assembling with the other side of the fitting protrusion 33, the sound absorbing room of the vacuum cleaner, characterized in that the front casing (20) and integrally assembled without screwing.