KR100686033B1 - Structure for insulation of vibration in dish washing machine - Google Patents

Abstract

The present invention relates to a dishwasher, and more particularly, to a vibration isolating structure of the dishwasher to prevent the vibration generated from the motor to be transferred to another place.

The present invention is a sump that wash water is stored; A motor unit for pumping the washing water; At least one sumpreg extending in a hollow shape from a bottom of the sump to a bottom; A fastening member fastened to one side of the motor unit and the sumpreg to fix the motor to the lower side of the sump; Vibration insulation bushing interposed between the fastening member and the sum preg to insulate that vibration of the motor is transmitted to the sump.

Therefore, according to the vibration isolating structure of the dishwasher of the present invention, the vibration generated when the motor is operated is attenuated by the summ, thereby reducing the vibration of the dishwasher.

Dishwasher, Dustproof, Vibration Insulation

Description

Structure for insulation of vibration in dish washing machine

1 is a configuration diagram schematically showing the configuration of a conventional dish washer,

Figure 2 is a cross-sectional view showing a coupling structure of the motor and the sump of Figure 1,

3 is a cross-sectional view showing a coupling structure of the motor unit and the sump to which the vibration insulation structure of the dish washing machine of the present invention is applied;

4 is an enlarged cross-sectional view of a coupling portion between a motor part and a sump of part A of FIG. 3;

5 is an exploded perspective view illustrating the fastening member and the vibration insulating bushing of FIG. 3;

6 is an exploded perspective view showing another embodiment of the fastening member and the vibration isolation bushing of FIG. 3, and

Figure 7 is a graph showing the vibration isolation effect of the vibration isolation structure of the dishwasher of the present invention.

* Explanation of Signs of Major Parts of Drawings

110: sump 112: sumpreg

114: seating portion 118: guide pin

120: motor portion 122: motor

124: upper bracket 126: fastening hole

128: guide groove 130: fastening member

132: bolt 134: head

136: thread portion 138: nut

140: vibration insulation bushing 142: pipe portion

144: first flange portion 146: second flange portion

The present invention relates to a dishwasher, and more particularly, to a vibration isolating structure of the dishwasher to prevent the vibration generated from the motor to be transferred to another place.

A dishwasher is a device for automatically washing dishes such as used dishes. Since washing dishes is automatically performed, the convenience of the user is improved, and in recent years, the spread is spreading.

Hereinafter, a conventional dishwasher will be described with reference to the accompanying drawings.

1 is a configuration diagram schematically showing the configuration of a conventional dish washer.

Conventional dishwasher first, the tub 5 is formed in the interior of the main body (1) to wash the dishes.

In addition, the bottom of the tub (5) is provided with a sump (10) which is a device for storing and circulating the washing water required for washing.

And, inside the tub 5, two injection arm 6 for spraying the washing water while rotating is provided at the upper side and the lower side inside the tub.

In addition, the injection arm (6) is connected to the sump (10) by the upper / lower connection pipe (8) receives the washing water. In addition, a plurality of injection holes (not shown) are formed above the injection arm 6. These injection holes (not shown) are formed to be able to spray the washing water obliquely.

In addition, the upper portion of the upper and lower injection arm 6 is provided with a rack 7 containing the dishes to be washed.

Here, the sump (10) pumps the washing water and returns the water to the spray arm (6), collects the washing water sprayed in the tub (5), and performs the function of filtering the collected washing water.

2 is a cross-sectional view showing the sump.

The sump 10 is formed with a washing water receiving portion 12 formed concave downward in the center to store the washing water.

In addition, the sump 10 is coupled to a motor 20 for providing power for circulating the wash water, such a motor 20 is generally provided on the bottom surface of the wash water receiving portion (12).

The central portion of the washing water receiving portion 12 is formed with a shaft coupling hole 14 through which the rotating shaft 24 of the washing motor 20 passes.

In addition, a plurality of sumpreg 16 for screwing with the motor 20 is formed on the bottom of the wash water receiving portion 12 to face downward.

And, as shown in Figure 2, the motor 20 has a fastening hole 26 is formed in a portion corresponding to the sumpreg 16, the rotary shaft 24 of the motor 20 is the sump Through the axial coupling hole 14 of the (10) and coupled with other components such as a disposer (not shown) and an impeller (not shown), the fastening hole 26 and the sump (10) of the motor 20 Fastening member 30 is fastened to the sumpreg 16 of the fixed.

However, the conventional dishwasher as described above has the following problems.

When the washing motor is operated, the vibration is generated. Since the washing motor is directly coupled to the sump through the sumpreg, the vibration of the washing motor is transmitted to the sump, and eventually, the entire dish washer vibrates to increase noise. There is a problem that causes premature failure of internal parts.

The present invention is to solve the above problems, an object of the present invention is to provide a vibration insulating structure of the dishwasher to prevent the vibration of the motor is transmitted to the sump.

In order to achieve the above object, the present invention is a sump that wash water is stored; A motor unit including a motor for pumping washing water and a motor bracket extending from an exterior of the motor to guide the coupling of the motor and the sump; At least one sumpreg extending in a hollow shape from the bottom of the sump to the bottom; A fastening member fastened to one side of the motor unit and the sum preg to fix the motor to the lower side of the sump; Vibration insulation bushing interposed between the fastening member and the sum preg to insulate that vibration of the motor is transmitted to the sump.

In addition, the fastening member is a screw thread formed of a screw thread, and a bolt consisting of a head integrally formed to have an area larger than the cross section of the screw portion at one end of the screw portion; And a nut fastened to the threaded end of the bolt.

The vibration insulating bushing may include a pipe part formed in a hollow pipe shape and interposed between an outer surface of a screw part of the fastening member and an inner circumferential surface of a sumpreg; A first flange portion formed to have a diameter larger than a cross section of the pipe portion and interposed between one side surface of the head of the fastening member or one side surface of the nut and the sump; And a second flange portion formed to have a diameter larger than a cross section of the pipe portion and interposed between the end portion of the sumpreg and the contact portion of the motor.

In addition, the upper surface of the motor portion and the bottom surface of the sump is characterized in that spaced apart a predetermined interval.

Therefore, according to the vibration isolating structure of the dishwasher of the present invention, the vibration generated when the motor is operated is attenuated by the summ, thereby reducing the vibration of the dishwasher.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the vibration insulating structure of the dishwasher of the present invention that can specifically realize the above object.

In addition, the same components as in the prior art are given the same names and the same reference numerals for convenience of description, and description thereof will be omitted.

3 to 5 is a view showing a preferred embodiment of the vibration insulating structure of the dishwasher of the present invention.

First, as shown in FIG. 3, a sump 110 is provided inside a main body 1 (see FIG. 1) forming an appearance. The sump 110 pumps the washing water and delivers the water to the injection arm 6 (see FIG. 1), and a recovery hole (not shown) formed in the upper surface of the sump 110 with the washing water sprayed in the tub 6 (see FIG. 1). Collecting through, and serves to filter the collected wash water.

In addition, the sump 110 is coupled to the motor unit 120 including a motor 122 for providing power to circulate the wash water, the motor unit 120 is provided on the bottom surface of the sump (110).

In addition, the sump 110 is formed with at least one sumpreg 112 extending a predetermined length downward on the bottom of the sump 110 is coupled to the motor unit 120.

The sumpreg 112 has a hollow inside thereof.

Therefore, the motor unit 120 is fastened and fixed as the fastening member 130 to the sumpreg 112.

At this time, the motor unit 120 is preferably provided with an upper bracket 124 to guide the fastening of the motor 122 to the sump 110 on the upper surface of the motor 122.

That is, the upper bracket 124 is coupled to the upper side of the motor 122, the upper bracket 124 is coupled to the sumpreg 112 as a fastening member 130, so that the motor 122 is sump ( 110).

On the other hand, the motor unit 120 of the present invention is not limited to the upper bracket 124 is coupled to the upper side of the motor 122 as described above, the motor 122 and the upper bracket 124 is integrally It may be formed to form the motor unit 120.

To this end, as shown in FIG. 4, a fastening hole 126 into which the fastening member 130 is inserted is formed at a portion corresponding to the position of the sumpreg 112 of the upper bracket 124.

Here, as shown in FIGS. 4 and 5, the coupling member 130 has a threaded threaded portion 136 and a larger area than a cross section of the threaded portion 136 at one end of the threaded portion 136. Preferably, the bolt 132 is formed of an integrally formed head 134 and a nut 138 fastened to an end of the threaded portion 136 of the bolt 132.

At this time, the periphery formed with the sumpreg 112 of the sump 110 is seated stepped downward so that the head 134 or nut 138 of the fastening member 130 fastened to the sump 110 is seated. It is preferable that the portion 114 is formed.

In addition, a vibration insulating bushing 140 is disposed between the fastening member 130 and the sumpreg 112 to attenuate transmission of the vibration of the motor 122 to the sump 110.

The vibration insulating bushing 140 has a hollow pipe shape and is disposed between the outer surface of the threaded portion 136 of the fastening member 130 and the inner circumferential surface of the sumpreg 112 and the pipe portion ( 142 is formed to have a larger diameter than the cross-section of the first flange portion of the fastening member 130 interposed between one side of the head 134 or one side of the nut 138 and the sump 110 ( 144 and a second flange portion 146 formed to have a diameter larger than a cross section of the pipe portion 142 and interposed between an end of the sumpreg 112 and a contact portion of the motor portion 120. Is done.

Here, each of the pipe portion 142, the first flange portion 144 and the second flange portion 146 is preferably formed separately.

That is, the pipe part 142 is fitted to the sumpreg 112 after being fitted to the outer peripheral surface of the fastening member 130 is interposed between the outer surface of the threaded portion 136 and the inner peripheral surface of the sum preg 112 (介 在) becomes.

In addition, the first flange 144 is formed in the shape of a washer and is located between the head 134 of the screw 136 and the bottom of the sump 110.

In addition, the second flange portion 146 is formed in the shape of a washer similar to the first flange portion 144, the upper side of the upper bracket 124, the end of the sumpreg 112 and the fastening hole 126 is formed It is interposed between and.

Here, the vibration insulating bushing 140 is preferably made of a rubber or synthetic resin material that can effectively insulate vibration.

Therefore, the vibration generated by the motor 122 is transmitted to the fastening member 130 through the upper bracket 124, the contact portion of the sump 110 and the fastening member 130 and the sump 110 And the vibration insulating bushing 140 is interposed between the contact portion of the upper bracket 124 and the vibration transmitted to the sump 110 is insulated.

On the other hand, the sump 110 and the fastening member 130 is preferably properly sealed between the water so that the wash water does not leak, these matters will be apparent to those skilled in the art will not be described in detail.

Here, in a preferred embodiment of the vibration insulating structure of the dishwasher of the present invention, the head portion 134 of the fastening member 130 is seated on the seating portion 114, and the vibration insulating bushing 140 is formed in different pieces. For example, but not limited thereto, as shown in FIG. 6, the nut 138 of the fastening member 130 may be seated on the seating part 114 of the sump 110. Various combinations are possible, such as the pipe part 142 of the bushing 140, the first flange part 144, and the second flange part 146 may be integrally formed.

In addition, as shown in FIG. 3, when the motor unit 120 and the sump 110 are in direct contact with each other, the surroundings of the sumpreg 112, the upper bracket 124, and the fastening member 130 are vibrated. Even if the vibration of the motor unit 120 is transmitted to the sump 110, it is preferable that the upper surface of the motor unit 120 and the bottom of the sump 110 is spaced a predetermined interval.

7 is a graph showing the vibration isolation effect before and after the vibration isolation of the motor is made.

As shown in the graph, when the value measured after vibration isolation is about 3200rpm compared with the measurement before vibration isolation, the effect is as low as 4㏈. For reference, the experimental value reveals that the value can vary from model to model.

In addition, the present invention may further comprise a guide means for guiding the coupling position of the motor unit 120 and the sump 110 and the gap between the motor unit 120 and the sump 110.

3 and 4, the guide means includes a guide pin 118 extending downward from the bottom of the sump 110 and the guide pin 118 of the upper bracket 124. It comprises a guide groove 128 is received at the end of the guide pin 118 at a portion corresponding to the position of.

Here, the guide pin 118 guides the spacing between the motor unit 120 and the sump 110 as well as the coupling position of the motor unit 120.

Therefore, when the motor unit 120 is coupled to the sump 110, when the end of the guide pin 118 is aligned with the guide groove 128 of the upper bracket 124 of the motor unit 120 The coupling position is guided.

At this time, since the portion where the end of the guide pin 118 is accommodated is not a hole in which the hole is blocked, but a hole 128 blocked, the gap between the motor unit 120 and the sump 110 is also guided.

As described above, when the sump 110 and the motor unit 120 are coupled by using the fastening member 130 and the vibration insulating bushing 140, the vibration generated from the motor 122 is generated by the vibration insulating bushing. The amount of vibration damped by the 140 and transmitted to the sump 110 is reduced.

The present invention is not limited to the above-described embodiments, and can be modified by those skilled in the art as can be seen from the appended claims, and such modifications are within the scope of the present invention. .

According to the vibration insulation structure of the dish washing machine of the present invention described above has the following effects.

First, the motor is fixed and spaced apart from the sump, and a vibration insulating bushing is interposed between the fastening member for fixing the motor and the upper bracket and the sumpreg, so that the vibration generated from the motor is transmitted to the sump. Since it is attenuated, vibration of the dishwasher body is reduced and accordingly noise is reduced to have a quiet effect.

Second, since the guide means is provided on the bottom of the sump and the motor unit, workability is improved when the motor unit is assembled.

Claims (11)

Sump in which washing water is stored; A motor unit including a motor for pumping washing water and a motor bracket extending from an exterior of the motor to guide the coupling of the motor and the sump; At least one sumpreg extending in a hollow shape from the bottom of the sump to the bottom; A fastening member fastened to one side of the motor unit and the sum preg to fix the motor to the lower side of the sump; And a vibration insulating bushing interposed between the fastening member and the sumpreg to insulate the vibration of the motor from being transmitted to the sump. delete delete The method of claim 1, The fastening member, A bolt formed of a threaded threaded portion and a head integrally formed at one end of the threaded portion to have an area larger than a cross section of the threaded portion; A nut is fastened to the screw end of the bolt: vibration insulating structure of the dishwasher comprising a. The method of claim 4, wherein The vibration insulating bushing, A pipe portion formed in a hollow pipe shape and interposed between the outer surface of the screw portion of the fastening member and the inner circumferential surface of the sumpreg; A first flange portion formed to have a diameter larger than a cross section of the pipe portion and interposed between one side surface of the head of the fastening member or one side surface of the nut and the sump; And a second flange portion formed to have a diameter larger than a cross section of the pipe portion and interposed between the end portion of the sumpreg and the contact portion of the motor. The method of claim 5, And a pipe portion, the first flange portion and the second flange portion of the vibration insulation bushing are integrally formed. The method of claim 5, And the pipe part, the first flange part and the second flange part of the vibration insulating bushing are respectively formed separately. delete Sump in which washing water is stored; A motor unit including a motor for pumping the washing water; At least one sumpreg extending in a hollow shape from the bottom of the sump to the bottom; A fastening member fastened to one side of the motor unit and the sum preg to fix the motor to the lower side of the sump; A vibration insulating bushing interposed between the fastening member and the sumpreg to insulate transmission of vibration of the motor to the sump; And, Guide means for guiding the coupling position of the motor: vibrating insulation structure of the dishwasher comprising a. The method of claim 9, The guide means, A guide pin extending downward from the bottom of the sump; And a guide groove formed on the upper surface of the motor to accommodate the end of the guide pin. The method of claim 1, Vibration insulation structure of the dishwasher, characterized in that the periphery of the sump of the sump is formed stepped downward so that the end of the fastening member is seated.

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