KR100231437B1 - MCS(Muffler Chamber System) 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

Muffler Chamber System (MCS) 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. Not only is the sealing force excellent at the site, but also relates to a sound absorbing room for a vacuum cleaner that 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 such a vacuum cleaner 100 is shown in Figs. In addition, the inner partition 111 is partitioned into the dust collecting chamber 120 and the drive 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 attached to the front end is connected to the multi-stage extension pipe (not shown), and connected to form an air passage, and at the same time flexible conduit (not shown) to be detachable to the front of the main body 110 It is composed of

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 cleaning surface of the flexible conduit, which is an air suction passage, The inner partition 111 is provided with an intake port 112 so as to allow only the intake air through which filtration is made, and a motor 131 is mounted in the drive chamber 130 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 employing the conventional sound-absorbing room 140, the front and rear cover is integrally assembled to be separated into a two-part type as the screw member (143a) ( 143), since the sealing force at the assembly portion of the rear cover 144 on which the motor mounting holes 145 are assembled is greatly reduced to generate a gap, so that the interior of the sound absorbing room 140 on the exhaust flow path is formed. Part of the intake air to be finally filtered by the exhaust grid 151 through the air guide 142 to be discharged to the exhaust air in a clean state does not pass the filtration in the exhaust grid 151, and the assembly state is poor There was a problem of exhausting to the outside as it is through the gap of the assembly portion.

In this case, as the worker and the surrounding people breathe exhaust air that is incompletely filtered, it is very harmful for health, and the sound absorption and sound insulation efficiency of the sound absorbing room 140 is greatly reduced 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 object is to excellent sealing in the assembly portion with each assembly parts to prevent the outflow of intake air through the gap, and further extend the exhaust flow path 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.

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

Figure 4 is an exploded perspective view showing a sound absorption room of the vacuum cleaner according to the present invention.

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

<Detailed Description of Main Parts of Drawing>

1: Sound absorption room 10: 1st air guide

11: long hole 12: seating part

20: front cover 20a: round part

20b: blind spots 23a, 23b, 33: assembly groove

30: second air guide 31: lower hole

32: reinforcing rib 13, 33: fitting protrusion

40: rear cover 41: exhaust hole

50: filtering member 51: exhaust grid

100: vacuum cleaner 110: main body

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. In the first air guide port formed by drilling a plurality of holes in the upper inner circumference at a predetermined interval in the upper inner circumferential surface of the inlet air discharged from the motor, and recessed the seating portion is installed in the rear end of the motor And, the rear end is assembled to the front end of the first air guide, the motor packing member which is in close contact with the front of the motor cover of the motor integrally formed with a circular portion in contact with the inner surface and the rectangular portion for receiving the first air guide is integrally formed One front cover; and a second air guide tool which is assembled to the rear end of the blind box and drills a plurality of lower holes on the lower side; And a rear cover having a rear end having an exhaust hole equipped with a filtration member for discharging suction air guided through the lower hole, and having a front end assembled horizontally with the second air guide being lip. 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.

As shown in FIGS. 4 and 5, the sound absorbing room 1 of the vacuum cleaner according to the present invention includes a motor 131 for generating a strong suction force so as to enable a cleaning operation. In addition to 30, the front and rear covers 20 and 40 are mounted in the front to absorb the generated vibration of the motor 131 generated during operation, and the air flow path of the intake air exiting from the motor 131 is conventional. It extends more than that, absorbs noise, blocks air leakage through gaps in the assembly portion as in the prior art, and drives the chamber 130 of the main body 110 so as to finally exhaust only the cleanly filtered intake air. ) 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 covers 20 and 40 which are easily assembled without a screw member, and is provided on the motor 131 and suctioned. The first air guide 10 extending the exhaust passage of the air is introduced into the motor 131 through which the suction air, which primarily filters the dust and foreign substances in the dust collecting chamber 120, communicates with the intake port 112. Next, when discharged through the through-hole 132 formed in the body surface, the suction air discharged through this is guided once discharged to the upper side, and then the suction air to the upper side so that the air flow path is extended to the lower side through the outer peripheral surface A plurality of perforated holes 11 for inducing discharge at a predetermined interval on the upper inner circumferential surface, and a seating portion 12 for installing a motor mounting hole 145 fitted to the rear end of the shaft 132 of the motor 131 in the center of the inner surface. ) And the circle of the first air guide (10) On the tip end surface of the fitting projection 13 is formed to protrude in a ring shape. In this case, the plurality of long holes 11 drilled on the outer surface of the first air guide 10 are 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. Should.

In addition, the front cover 20 through which the circular hole 21 penetrates on the front surface so as to communicate with the inlet port 112, the circular part 20a and the motor (where the motor cover 131a of the motor 131 is located) 131) the body is formed by integrally equipped with a rectangular portion (20b), the inner surface of the circular portion 20a is in contact with the motor packing member 141 to absorb the motor vibration, the circular portion 20a The front cover 20 and the first air guide 10 by press-fitting the fitting projection 13 formed on the circular end of the first air guide (10) by the assembly groove (23a) formed in the circular rear end of the Assemble integrally. Then, the body of the motor 131, the outer surface is surrounded by the first air guide (10) is assembled to the square portion (20b).

In addition, the second air guide (30) installed perpendicular to the rear end of the blind spot 20b to guide the suction air guided through the long hole 11, the only passage of the first air guide 10 to the lower side. ) Is a fitting protrusion 33 formed on the outer circumference between the assembly groove 23b formed at the rear end of the square portion 20b and the assembly groove 43 of the rear cover 40, which will be described later, in a prefabricated manner without screwing. Accordingly, it is to be assembled vertically so as to seal the rear of the blind spot 20b of the front cover 20. Then, the lower surface of the second air guide (30) punctures 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 cover 40 side. On the other hand, the reinforcing rib 32 is integrally formed to prevent damage during assembly between adjacent lower holes 31.

In addition, the rear cover 40 which is integrally assembled without screwing to the rear end of the square portion 20b of the front cover 20 is formed by recessing the assembling groove 43 at the square end of the square cover 20b. By assembling with the other side of the fitting protrusion 33 of the second air guide tool 30, one side of which is fitted into the assembling groove 23b, induction exhaust air guided from the lower hole 31 to the rear, and rear The exhaust hole 41 penetrated therein is provided with a filtration member 50 for finally filtering the intake air to be guided and exhaust and an exhaust grid 51 for fixing it.

When the sound absorbing room 1 having the structure as described above is provided inside the drive chamber 130 of the vacuum cleaner 100 to perform the cleaning operation, the motor 131 mounted in the inner space of the sound absorbing room 1 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 to the long hole 11 side of the upper inner peripheral surface of the first air guide (10) mounted to surround the outside of the motor 131 After being discharged, it flows to the lower side by riding the inner surface of the second air guide (30) installed vertically to seal the outer circumferential surface of the first air guide (10) and the square portion (20b) of the front cover (20) It is exhausted to the lower hole 31 side of the second air guide (30).

Subsequently, the suction air guided to the lower hole 31 is bent upward toward the rear cover 40 which is in communication with the lower hole 31 to the outside through the filtration member 50 mounted to the exhaust hole 41 formed at the rear thereof. To be discharged. That is, the long hole 11 of the first air guide (10), the lower hole 31 of the second air guide (30), the exhaust hole 41 of the rear cover 40 and the filtering member (50) The intake air forming the air passages sequentially passed through the filtration member 50 is finally filtered 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 cover 40. The sound absorbing material may be attached to the first and second air guide tools 10 and 30 in contact with the inner surface of the rectangular part 20b of the front cover 20 and the rear cover 40.

Therefore, according to the sound absorbing room 1 of the vacuum cleaner according to the present invention, the front cover 20 and the rear cover 40 in which the motor 131 having the first air guide 10 are built are guided to the second air guide. In addition to the sphere 30, it can be easily assembled without screwing, and the sealing at the assembly portion is good, thereby preventing the outflow of suction air through the gap as in the prior art, and exhausting the exhaust flow path starting from the motor 131. By extending the length longer than the conventional by the first and second air guides (10, 30), the noise and sound insulation efficiency is significantly improved to improve the performance of the vacuum cleaner 100, as well as clean exhaust harmless to the human body The effect of producing a high-clean vacuum cleaner capable of only discharging air to the outside is obtained.

Claims (6)

A dust collecting chamber 120 having a built-in dust bag and a main body 110 partitioning the drive chamber 130 in which the motor 131 is built into the inner partition wall are used to perform cleaning on the cleaning surface as suction power of the motor 131. In the vacuum cleaner to A plurality of long holes 11 for upwardly inducing the discharge air suctioned out of the motor 131 are drilled on the upper inner circumferential surface at a predetermined interval, and a motor mounting hole 145 fitted to the rear end of the shaft 132 of the motor 131 is provided. A first air guide tool 10 formed by recessing the seat 12 to be installed; and a rear end of the first air guide tool 10 is assembled, and a motor cover 131a of the motor 131 is mounted. A front cover 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 front surface and a quadrangle portion 20b for receiving the first air guide 10; And a second air guide tool 30 which is assembled at the rear end of the blind spot 20b and drills a plurality of lower holes 31 at the lower side thereof, and is vertically assembled to the rear end of the blind spot 20b. The tip is horizontally assembled together with the air guide 30, and the filtration member 50 for exhausting the suction air guided through the lower hole 31 and filtering it is mounted. Sound absorbing room of the vacuum cleaner comprising a; rear cover (40) having an exhaust hole (41) at the rear. According to claim 1, The long hole (11) is the first air guide port based on the horizontal line passing through the center of the motor 131 so as to extend the air flow path of the intake air from the motor 131 ( Sound absorbing room of the vacuum cleaner, characterized in that formed only on the upper inner peripheral surface of 10). The vacuum cleaner as claimed in claim 1, wherein the second air guide tool (30) is integrally provided with a reinforcing rib (32) therebetween to prevent breakage of the lower hole (31) during assembly. Sound absorption room. According to claim 1, The suction air discharged from the motor 131 is the long hole 11 of the first air guide 10, the lower hole 31 of the second air guide 30, rear cover Sound absorbing room of the vacuum cleaner, characterized in that to form an air flow path passing through the exhaust hole 41 and the filtering member (50) of the 40 in turn. According to claim 1, wherein the first and second air guides 10, 30, the blind portion 20b and the rear cover 40 of the front cover 20 has a sound absorption efficiency for the intake air on the inner surface Sound absorbing room of the vacuum cleaner, characterized in that to attach a sound absorbing material so as to improve the performance of the vacuum cleaner 100. The second air guide tool 30 of claim 1, wherein the rear cover 40 recesses the assembling groove 43 at the square end, and one side thereof is fitted into the assembling groove 23b of the square portion 20b. By assembling with the other side of the fitting protrusion (33) of, the sound absorbing room of the vacuum cleaner, characterized in that the front cover 20 and the assembly is integrally assembled without screwing.

Images