KR100231436B1 - 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, to further improve the sound absorbing efficiency by extending the exhaust passage of the suction air exhausted from the motor, and easy to assemble the assembly part It relates to a sound-absorbing room of a vacuum cleaner having a good sealing force and improving the cleanliness of the exhaust air as well as improving the exhaust air.

According to the present invention, the upper hole 11 having a predetermined size for inducing and discharging upward suction air discharged from the motor 131 is drilled on the upper inner circumferential surface, and the motor mount 145 is fitted to the rear end of the shaft 133 of the motor 131. Air guider (10) fixed as); and a cylindrical housing portion 21 for receiving the motor 131 assembled to the air guider (10), a plurality of lower inner peripheral surface of the cylindrical housing portion 21 A filter accommodating part 24 which drills the lower hole 21a and integrally forms the lower chamber 22 communicating with the lower hole 21a on the lower outer surface, and the filter member 50 is mounted on the upper outer surface. The front casing 20 which integrally forms the upper chamber 23 in communication with the main body 23, and forms a 'Ｕ'-shaped assembly groove 26 so that the sealing member 27 can be inserted into the outer peripheral edge of the rear end; The tip is assembled into the 'Ｕ' shaped assembly groove 26 to communicate the upper and lower chambers 22 and 23, and the motor mount 145 It provides a vacuum cleaner comprising a sound-absorbing bangreul; rear casing 30 to form a protrusion defining the receiving portions 31 in the front center.

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, to further improve the sound absorbing efficiency by extending the exhaust passage of the suction air exhausted from the motor, and easy to assemble the assembly part It relates to a sound-absorbing room of a vacuum cleaner having a good sealing force, and improving the cleanliness of the exhaust air, as well as improving the 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 a gap is generated in the sound absorption chamber 140 on the exhaust flow path. Part of the intake air to be finally filtered through the air guide port 142 of the exhaust grid 151 to be discharged to the exhaust air in a clean state does not pass through the filter member in the exhaust grid 151, the assembled state There was a problem that the exhaust as it is through the gap of the poor assembly parts.

In this case, the worker and the people around him are very harmful to health as they breathe exhaust air that is incompletely filtered, and when the exhaust air is exhausted, the dust and dirt remaining on the floor are severely dispersed to pollute the indoor environment. In addition, there is a problem that the performance of the vacuum cleaner 100 is lowered by greatly reducing the sound absorption and sound insulation efficiency of the sound absorbing room 140 due to the air exhausted through the gap of the defective sealing unit.

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 sound absorption and sound insulation performance is remarkably improved, and only the clean exhaust air harmless to the human body is exhausted upward to provide a sound absorbing room of a vacuum cleaner having a high clean function.

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.

5 is an assembled perspective view showing the sound absorbing room of the vacuum cleaner according to the present invention.

Figure 6 is a longitudinal 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 1a: 1st auxiliary room

1b: Secondary accommodation room 10: Air guide

11: upper hole 20: front cover

21: cylindrical housing 21a: lower hole

22: lower chamber 23: upper chamber

24: Filtration part 26: 'Ｕ' shaped assembly groove

27: sealing member 30: rear cover

31: seating portion 50: filtering member

100: vacuum cleaner 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 air, the air guide port is fixed as a motor mounting hole for drilling a predetermined size of the upper hole in the upper inner circumferential surface to induce and discharge the intake air exiting from the motor, and fitted to the rear end shaft of the motor; and, the air guide It has a cylindrical accommodation portion for accommodating the motor assembled to the sphere, and drills a plurality of lower holes on the lower inner circumferential surface of the cylindrical accommodation portion, integrally formed with the lower outer chamber in communication with the lower hole on the lower outer surface, the upper outer surface The upper receiving chamber can be integrally formed in communication with the filtration housing on which the filtration member is mounted, while the sealing member can be inserted into the outer periphery of the rear end. A front cover formed with a 'Ｕ' shaped assembly groove so that the front end is assembled with the 'Ｕ' shaped assembly groove so that the upper and lower accommodation chambers communicate with each other, and the seating portion fixing the motor mounting portion protrudes in the front center. By forming a sound absorbing room of the vacuum cleaner comprising a; a rear cover to form.

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 perspective view showing a sound absorbing room of the vacuum cleaner according to the present invention, Figure 6 is a sound absorbing room of the vacuum cleaner according to the present invention It is a longitudinal cross-sectional view which shows.

Sound absorbing room (1) of the vacuum cleaner according to the present invention, as shown in Figures 4 to 6, the front and rear cover is composed of a motor (131) to generate a strong suction force to be divided into two-part type so that cleaning operation is possible ( 20), 30 to absorb the generated vibration of the motor 131 and the noise of the intake air generated during operation, to block the air leakage through the gap in the assembly portion as usual, and to cleanly filter It is mounted inside the drive chamber 130 of the main body 110 to exhaust only the suction air made up.

That is, in the sound absorbing room 1 according to the present invention, as shown in FIG. 4, a plurality of screw bosses 20a and 30a to which screw members (not shown) are fastened to form a plurality and are assembled into a bipartition type. The rear cover 20, 30 is provided with the motor 131 in the inner space of the bar, the air guide 10 for extending the flow path of the suction air is provided in the motor 131 and exit from the upper inner peripheral surface Only a predetermined size of the upper hole 11 is drilled, and the inner side in the center is provided with a mounting hole 12 for fixing the motor mounting hole 145, the rear end of the shaft 133 of the motor 131 is fitted, After the dust and foreign matter is primarily filtered in the dust collecting chamber 120, the suction air introduced into the motor 131 communicating with the intake port 112 is a through hole 132 formed in the body surface of the motor 131. It is discharged through and naturally guided to the upper side of the only passage, the upper hole 11 is perforated air Take the outer peripheral surface of the duration (10) is guided to the lower side.

In addition, the front cover 20 in which the circular hole 25 is perforated in the front center so as to be in communication with the inlet 112 and allow the suction air inflow to the motor 131 side is a cylindrical housing portion for receiving the motor 131. (21) and the upper and lower housing chambers 22 and 23 which are integrally provided on the upper and lower outer surfaces thereof, and the cylindrical housing portion 21 includes a motor packing member 141 for absorbing motor vibrations. ) Is in close contact with the front surface, and equipped with the air guide 10 and the assembled motor 131 in the inner space, the lower inner peripheral surface is guided along the outer peripheral surface through the upper hole 11 of the air guide 10 A plurality of lower holes 21a are drilled to pass discharged suction air. At this time, the circular rear end of the cylindrical receiving portion 21 and the outer end of the air guide 10 is provided with a b 'shaped cross-sectional structure, respectively, as shown in FIG. Suction air induced in the internal space between the 20 and the air guide 10, as in the prior art, to prevent the leakage from the gap as much as possible.

In addition, the lower receiving chamber 22 communicating with the lower hole 21a and the lower side is integrally provided on the lower outer surface of the cylindrical accommodating portion 21 and illustrated in FIG. As described above, as the first auxiliary accommodation chamber 1a having an inner space is formed at the lower side of the cylindrical accommodation portion 21, the suction air from the upper hole 11 of the air guide 10 is directed to the lower side. You can do it.

In addition, the upper receiving chamber 23, which is integrally provided on the upper outer surface of the cylindrical receiving portion 21 as opposed to the lower receiving chamber 22, as shown in the assembled assembly with the rear cover 30, the inside A second auxiliary accommodation chamber 1b having a space is formed on the upper side of the cylindrical accommodation portion 21, while the suction air guided from the lower accommodation chamber 23 is located immediately after the main body 110, as conventionally. It is provided with a filtration accommodating portion 24 which is continuously upwardly communicated with the upper accommodating chamber 23 so as to evacuate to the upper part of the main body 110 to prevent the dust and foreign matters from being blown out. Inside, the filter member 50 for finally filtering the intake air exhausted from the second auxiliary chamber 1b side is fixedly mounted as the exhaust grid 51, while the upper and lower portions of the cylindrical housing portion 21 are upper and lower sides. The outer circumference of the front end of the front cover 20, which consists of storage chambers 22 and 23, has a 'Ｕ' shape. The assembly groove 26 is provided and comprised.

In addition, the rear cover 30 is assembled to the rear end of the front cover 20 so as to communicate the upper and lower accommodation chambers 22, 23, the front end of the '자' shaped assembly of the front cover 20 Inserted into the groove 26, and then fastening the screw member (not shown) to the matching screw boss (20a, 30a) is completed assembling and integrally with the front cover 20, the 'Ｕ' shaped assembly groove In the 26, a sealing member 27 is provided to reinforce the sealing force at the assembly portion with the rear cover 30, so that the suction air discharged from the motor 131 is moved forward and backward as before. Through the gaps mainly generated in the defective assembly of the cover (143, 144) to prevent the outflow without filtration. In addition, a center portion of the rear cover 30 protrudes from the center of the inner side of the rear cover 30, in which the motor mounting hole 145 fixing the air guide 10 to the motor 131 is seated and fixed.

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 once guided to the side of the upper hole 11 of a predetermined size perforated only in the upper inner circumferential surface of the air guide 10 mounted as the motor mounting hole 145, Exhausted through the outer circumferential surface of the air guide 10, the exhaust passage is exhausted toward the lower hole 21a perforated only in the inner circumferential surface of the lower portion of the cylindrical accommodating portion 21 of the front cover 20.

Subsequently, the suction air induced into the lower hole 21a is naturally induced into the first auxiliary accommodation chamber 1a formed of a combination assembly of the lower accommodation chamber 22 and the rear cover 30 which are in communication with the lower hole 21a. Passed intake air is rapidly bent upwards by the rear cover 30 and continuously pass between the front and rear of the air guide 10, the assembled assembly of the upper chamber 23 and the rear cover 30 While passing through the filtration member 50 mounted as the exhaust lattice 51 in the second auxiliary chamber (1b) and the filtration housing portion 24 formed as a final exhaust to the outside.

That is, the upper hole 11 of the air guide (10), the lower hole (21a) formed in the cylindrical housing portion of the front cover 20, the lower accommodation chamber 22, the upper accommodation chamber 23 and the filtered accommodation portion ( Intake air forming the air flow path passing through the 24 in turn passes through the filtration member 50 of the filter housing portion 24 formed perpendicularly to the upper side of the front cover 20, and then filtered. The air is not discharged immediately after the vacuum cleaner 100 as in the prior art, but is exhausted to the upper portion, thereby preventing dust and foreign matter from flying off the floor by exhaust air.

Then, the front and rear cover 20 in contact with the intake air to improve the performance of the vacuum cleaner 100 by increasing the sound absorption efficiency for the intake air exhausted from the motor 131 to form an air flow path Sound absorbing material may be attached to the inner surface of the 30 and the air guide 10.

Therefore, according to the sound absorbing room 1 of the vacuum cleaner according to the present invention, the sealing at the assembly portion of the front cover 20 and the rear cover 30, in which the motor 131 having the air guide 10 is built, It is excellent and can prevent the outflow of the suction air through the gap as in the prior art, and by extending the exhaust passage starting from the motor 131 longer than the conventional, it significantly improves the noise, sound insulation efficiency, vacuum cleaner ( In addition to improving the performance of 100), the vacuum cleaner 100 of high clean function that can discharge only the clean exhaust air harmless to the human body so that dust and foreign substances on the bottom surface is not blown out during the cleaning operation by the exhaust air. The effect which can produce is obtained.

Claims (4)

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 motor mounting hole 145 fitted to the rear end of the shaft 133 of the motor 131 by drilling a predetermined size of the upper hole 11 for inducing and discharging the suction air exiting from the motor 131 to the upper inner peripheral surface. And a cylinder receiving portion 21 for receiving a motor 131 assembled to the air guide 10 and having a plurality of lower inner peripheral surfaces of the cylindrical receiving portion 21. Perforating the two lower holes 21a, the lower receiving chamber 22 communicating with the lower hole 21a is integrally formed on the lower outer surface, and the filtration accommodating part in which the filtration member 50 is mounted on the upper outer surface. The front cover 20 which integrally forms the upper receiving chamber 23 in communication with the 24, and forms a 'Ｕ' shaped assembly groove 26 so that the sealing member 27 can be inserted into the outer peripheral edge of the rear end. And, the front end is assembled into the 'Ｕ' shaped assembly groove 26 to communicate the upper and lower accommodation chambers 22, 23, the motor mounting hole 145 Sound absorption chamber of the vacuum cleaner, characterized in that it comprises a; rear cover 30 to form a protrusion defining the receiving portions 31 in the front center. According to claim 1, wherein the upper and lower housing chambers 22 and 23 are inner spaces on the lower and upper sides of the cylindrical receiving portion 21 during assembly of the front and rear covers 20 and 30. And a first and second auxiliary accommodation chambers (1a) and (1b) which communicate with each other, respectively. According to claim 1, The suction air discharged from the motor 131, the upper hole 11 of the air guide (10), the lower hole (21a) formed in the cylindrical accommodation portion 21, the lower accommodation chamber ( 22), the sound absorbing room of the vacuum cleaner, characterized in that to form an air flow path passing through the upper receiving chamber 23 and the filter receiving portion (24) in turn. The method of claim 1, wherein the filter housing portion 24 is installed vertically on the upper side of the front cover 20 to exhaust the suction air finally passing through the filtration member 50 to the upper body 110. Sound-absorbing room of vacuum cleaner.

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