KR100213365B1 - Device for decreasing the noise of vacuum cleaner - Google Patents

Abstract

The present invention relates to a structure that is mounted on the front of the motor for generating the suction force of the vacuum cleaner to reduce the noise, and more specifically, to prevent the vibration and noise generated when the motor is driven, the sound absorption role and the external leakage of the suction force is blocked. One front cap that can perform the packing role at the same time as a sound-absorbing room in front of the motor to reduce the mold production cost, and the noise reduction structure of the vacuum cleaner to improve the assembly workability by simplifying the assembly process of the motor It is about.

The present invention has a recessed portion formed so that the front portion of the motor is fitted, the front side of the receiving portion has a front cap which drills a predetermined size through-hole so as to communicate with the intake port portion, which is the only air inflow passage, both sides of the bottom surface of the main body The rear casing is assembled at the rear end of the front cap having 'a' shaped cutouts at both lower corners so as to be fixed to the seating ribs formed at the corners, and the outer casing is formed at the front of the front cap. A vacuum is configured to absorb the vibration and noise of the motor while preventing the outflow of suction force when the motor is driven by forming a front packing portion protruding in close contact with, and the upper and lower portions of the front cap protruding the dust-proof portion in contact with the inner surface of the main body. Provides a noise reduction structure for cleaners.

Description

Noise reduction structure of vacuum cleaner

The present invention relates to a structure that is mounted on the front of the motor for generating the suction force of the vacuum cleaner to reduce the noise, and more specifically, to prevent the vibration and noise generated when driving the motor, to block the external role of the sound absorption role and suction force. It is equipped with one front cap that can perform the packing role at the same time as a sound absorbing room in the front of the motor to reduce mold manufacturing cost, and to simplify the assembly process of the motor. It is about.

In general, the vacuum cleaner is a powerful suction force generated by the motor drive is configured to have a function of collecting dust or other foreign matter on the floor cleaning surface, the configuration of such a vacuum cleaner as shown in FIG.

That is, the general vacuum cleaner 100 is divided into the dust collecting chamber 120 and the driving chamber 130 by the inner partition 111, the main body 110 is free to move by the rear wheel 141, and dust on the cleaning surface. An extension pipe (not shown) attached to the front end of the suction brush (not shown) capable of suctioning and detachably attached to the front end and connected to the multi-stage, and connected thereto to form an air passage, and the suction port of the main body 110 ( And a flexible conduit 116 freely detachable and flexible.

In addition, the dust collecting chamber 120 installed in the main body 110 is provided with a dust bag 125 for filtering and storing dust contained in the air sucked through the suction port 113, which is an air suction passage. In addition, the internal partition wall 111 separating the dust collecting chamber 120 and the driving chamber 130 is provided with an inlet port 112 having a plurality of intake holes (not shown) to allow external air to pass through. The external air forced into the suction force generated by the driving of the motor 131 mounted in the chamber 130 is sucked into the suction port 113, the dust bag 125, the suction port 112, the motor 131, and the exhaust port 139. In order to form an air flow path exhausted to the outside.

On the other hand, the motor 131 is provided in the sound absorbing room 132 composed of the front casing 132a and the rear casing 132 so as to reduce the noise generated when driving, the motor built in the sound absorbing room 132 The body of the 131 is equipped with a guider (131a) that can further extend the air flow path to the exhaust port 139 side, the motor packing member 134 in front of the motor 131 in contact with the front casing (132a) ), And configure. In addition, the upper and lower surfaces of the main body 110 and the sound absorbing room 132 are embedded in the sound absorbing room 132 to prevent vibration generated when the motor 131 installed in the driving chamber 130 is driven. Between the dustproof member 133 made of a rubber member therebetween, a strong suction force prevents the inner partition 111 from leaking into the gap between the front casing 132a of the sound absorbing room 132. Reference numeral 111 is provided with a sound absorbing and sealing member 135 surrounding the air intake port 112. Reference numeral 135 is a motor mounting cap mounted on the rear of the motor 131.

However, as described above, a plurality of dustproof members 133, motors, and sound absorbing and packing members 134 and 135 are mounted to reduce vibrations and noises generated when the motor 131 of the vacuum cleaner 100 is driven. Since the respective components are provided in the driving chamber as individual components, the motor, sound-absorbing packing member 134, 135, and the sound-absorbing room 132, The installation position of the anti-vibration member 133 mounted on the lower side may change from time to time, and there is a problem of lowering assembly workability of the motor 131 due to the individual assembly operation.

And, if the motor, the sound-absorbing and soundproof packing member 134, 135 and the dustproof member 133 is not assembled in place due to poor assembly, the suction force of the motor 131 is leaked to reduce the cleaning efficiency, There is a problem in that the noise of the vacuum cleaner 100 generated during the cleaning operation is reduced because the efficiency of reducing vibration or absorbing the noise of the motor 131 is increased.

In addition, since the motor, sound-absorbing sealing member 134, 135 and the dustproof member 133 are manufactured separately as separate molds, the manufacturing cost of the vacuum cleaner 100 due to the increase in the number of mold parts accordingly There was a problem to raise.

Accordingly, the present invention has been made in order to solve the above problems, the object is to reduce the generated vibration and noise while blocking the outside of the suction power of the motor and at the same time the front cap constituting the sound absorbing room in which the motor is built It can be installed at the front to improve the assembly workability, can be manufactured as a single mold, and the manufacturing cost of the vacuum cleaner can be reduced by reducing the number of components, while the vacuum cleaner can improve the noise reduction performance of the vacuum cleaner. To provide a noise reduction structure.

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

Figure 2 is an exploded perspective view showing a state in which the noise reduction structure of the vacuum cleaner according to the present invention is mounted.

3 is a longitudinal sectional view showing the noise reduction structure of the vacuum cleaner according to the present invention.

Figure 4 is a perspective view showing a state in which the front cap constituting the noise reduction structure of the vacuum cleaner according to the present invention mounted on the main body.

* Detailed description of the main parts of the drawings

2: Front cap 3: Receiving part

4: Front packing part 5 'A' shaped incision

6: dustproof part 100: vacuum cleaner

110: main body 111: internal partition

112: inlet port 120: dust collecting chamber

131: motor 132: sound absorption room

132a: front casing 132b: rear casing

133: dustproof member 134: motor packing member

The present invention for achieving the above object is provided with a dust collecting chamber in which the dust bag is built, and a vacuum cleaner for cleaning the floor surface as a suction force of the motor having a main body partitioning the drive chamber in which the motor is built In the recess, the receiving portion is formed to recess the front portion of the motor, and the front portion of the receiving portion is provided with a front cap which drills a predetermined size through hole so as to communicate with the intake port portion, which is the only air inflow passage, and the bottom surface of the main body. The rear casing is assembled at the rear end of the front cap having the 'a' shaped cutouts at both lower corners so as to be fixed to the seating ribs formed at both edges, while the front casing is assembled to allow the motor to be incorporated therein. Protruding the front packing portion in close contact with the rim, the upper and lower portions of the front cap is in contact with the inner surface of the body Projecting form the cliche while preventing the leakage of the suction force when the drive motor is using a noise reduction structure for a vacuum cleaner according to claim arranged to absorb vibration and noise of the motor in maryeonham.

Hereinafter, the noise reduction structure of the vacuum cleaner according to the present invention will be described in detail with reference to the accompanying drawings.

2 is an exploded perspective view showing a state in which the noise reduction structure of the vacuum cleaner according to the present invention is mounted, and FIG. 3 is a longitudinal sectional view showing the noise reduction structure of the vacuum cleaner according to the present invention, and FIG. It is a perspective view showing a state in which the front cap constituting the noise reduction structure of the vacuum cleaner mounted on the main body.

Noise reduction structure (1) of the vacuum cleaner according to the present invention, as shown in Figures 2 to 4, the inner casing 111 and the main body 110 in contact with the back casing (132b) while acting as a dust-proof, packing By assembling and equipping the front of the motor 131 in front of the front cap (2) constituting the sound-absorbing room 132 in which the motor 131 is built, a plurality of dust-proof, packing members 133, 134 as in the prior art Absorb the vibration and noise generated when the motor 131 is driven while preventing the loss of suction force as a member without having to install the 135, as well as minimizing the noise generated by the vacuum cleaner 100, as well as the vacuum cleaner ( The manufacturing cost of 100) can be reduced.

That is, the noise reduction structure 1 of the vacuum cleaner according to the present invention has a rear casing so as to constitute a sound absorbing room 132 that can shield the outside of the noise generated when driving the built-in motor 131 to the outside as much as possible. Equipped with a front cap (2) integrally assembled with the (132b), the front cap (2) is in contact with the front of the motor 131 to be built in part to accommodate this receiving portion that can prevent the suction force leakage (3) ), And the front of the front cap (2) punctures the through hole (2a) is located in the center of the inlet hole (131b) of the motor 131, the front is assembled to the receiving portion (3) side.

In addition, the outer edge of the through hole (2a) is in close contact with the outer circumference of the inlet port 112, which is the inlet passage of the only intake air, the suction force flowing into the motor 131 side through the inlet port 112 to the outside The front packing portion (4) that can prevent the outflow is formed to annularly annular. Accordingly, the conventional motor packing, which is mounted between the front casing 132a and the front of the motor 131 to prevent the suction force leakage as the accommodating part 3 and the front packing part 4 formed integrally with the front cap 2. It is possible to perform the same packing role without the need of the conventional sound-absorbing soundproof packing member 135, which is separately mounted between the member 134, the inner partition 111 and the sound-absorbing room 132.

And, in order to be fixed to the mounting ribs (9) formed on both bottom edges of the bottom surface of the main body 110, the front of the 'b' shaped cutout portion (5) in contact with the mounting ribs 9 formed on both lower sides The upper and lower sides of the cap 2 are in contact with the inner surface, which is the bottom surface and the upper lower surface of the main body 110, to absorb vibrations generated when the motor 131 is driven, thereby vacuuming by the vibration of the motor 131 ( Protruding the dust-proof part 6 so as to suppress the noise generation of the 110 as possible. Accordingly, a plurality of upper and lower dust-proof parts 6 formed integrally with the front cap 2 made of a special rubber material so as to easily absorb vibrations may be individually provided on the upper and lower surfaces of the sound absorbing room 132. It is possible to perform the same vibration absorption role without the need of the conventional anti-vibration member 133.

In addition, the body of the motor 131 wrapped by the rear casing 132b assembled at the rear end of the front cap 2 further extends the flow path of the suction air forcibly introduced through the inlet hole 131b and then outside. A guider (131a) is provided to reduce noise generation by exhausting the air, and a motor mounting cap (135) is mounted to the rear casing (132a) at the rear of the motor (131) and is fixed to a vertical rib of the main body (110). Mount it.

The motor 131 together with the rear casing 132b is installed between the noise reduction structure 1 having the above-described configuration between immediately after the intake port 112, which is an inflow passage of the intake air, and the front of the motor 131. After installation in the drive chamber 130, the vacuum cleaner 100 is operated to clean dust and foreign matter from the floor cleaning surface, and the dust bag 125 in the dust collecting chamber 120 is operated as the driving force of the motor 131. , And forced suction through the inlet port 112 to the motor 131 side of the drive chamber 130, the front casing 132b and the front surface of the motor 131 so as to embed the motor 131. Since the front packing part 4 of the front cap 2 to be assembled is completely adhered to the outer circumference of the inlet port 112 without any gap, the suction air forced through the inlet port 112 flows out. Without going through the inlet hole (131b) of the motor 131 As the hit of air flow path is extended than the inflow, and then, the guider (131a) mounted to the body of the motor 131, the noise sound absorption will be discharged to the outside.

In addition, the dustproof part 6 which is integrally provided on the upper and lower sides of the front cap 2 fixed to the seating rib 9 of the main body 110 is the bottom surface, the upper surface of the main body 110. Since it is always in contact with the side surface, the vibration generated when the motor 131 is driven as in the conventional dustproof member 133 can be absorbed as the dustproof portion 6. Accordingly, it is possible to prevent the noise generated by the vibration as much as possible to enable a quiet cleaning operation of the vacuum cleaner (100).

Therefore, according to the noise reduction structure (1) of the vacuum cleaner according to the present invention, the front packing portion (4) to perform the packing role to prevent the suction force is discharged, and the dust-proof to absorb the vibration and noise of the motor 131 , The front casing 132a of the sound-absorbing room 132 shielding the noise of the motor 131 which is assembled with the rear casing 132b and the front cap 2 integrally configured with the dustproof part 6 that performs the noise role. By assembling the front of the motor 131 to perform the role at the same time, the dustproof member 133 and the motor, the suction-packing member 134, 135 are manufactured separately and mounted on the motor 131 as in the prior art. Since the front cap 2 which is assembled with the rear casing 132b and constitutes the sound absorbing room 132 can be manufactured with one mold, the number of components provided in the front of the motor 131 can be reduced. Significantly can reduce the manufacturing cost of the vacuum cleaner 100, the motor 131 By simplifying the assembly process can be obtained an effect that can greatly improve the assembly workability.

Claims (6)

The dust collecting chamber 120 includes a dust bag 125 and a main body 110 partitioning the drive chamber 130 in which the motor 131 is built into the inner partition 111. In the vacuum cleaner for cleaning the surface, the receiving portion (3) is formed recessed so that the front portion of the motor 131 is fitted, the inlet port portion that is the only air inlet on the front of the receiving portion (3) 112 is provided with a front cap (2) for drilling a through hole (2a) of a predetermined size so as to communicate with the 112, and the 'b at both lower corners so as to be fixed to the seating rib (9) formed on both sides of the bottom surface of the main body (110) The rear casing 132b is assembled to the rear end of the front cap having the shaped cutout 5 so as to embed the motor 131, while the inlet port 112 is formed on the front of the front cap 2. Protruding to form a front packing portion 4 in close contact with the outer circumference of the front cap 2, the upper and lower Noise of the vacuum cleaner, characterized in that to form a vibration-proof part (6) in contact with the inner surface of the sieve 111 to prevent vibration and noise of the motor 131 while preventing the outflow of suction force when the motor 131 is driven. Abatement structure. According to claim 1, wherein the motor cap (2) is built with the rear casing (132b) to form a sound-absorbing room 132 to absorb and shield the noise generated when driving the motor 131 built-in. Noise reduction structure of vacuum cleaner. According to claim 1, wherein the receiving portion 3 is in close contact with the front of the motor 131 is mounted between the front casing (132a) and the front of the motor 131 to the suction force flow flowing into the motor 131 side Noise reduction structure of the vacuum cleaner, characterized in that performs the same role as the motor packing member 134 was prevented. According to claim 1, wherein the front packing portion 4 is formed in the front of the front cap (2) is in close contact with the inner partition 111 is mounted between the inner partition 111 and the sound-absorbing room 132 is suction force Noise reduction structure of the vacuum cleaner, characterized in that performs the same role as the sound-absorbing soundproof packing member 135 to prevent leakage. The method of claim 1, wherein the dustproof part 6 is in close contact with the inner surface of the main body 110 to perform the same role as the dustproof member 133 mounted on the upper, lower sound-absorbing room 132, the vacuum Noise reduction structure of the vacuum cleaner. The noise reduction structure of a vacuum cleaner according to claim 1, wherein the front cap (2) is made of a special rubber material so as to easily absorb vibration generated when the motor (131) is driven.

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