KR20030056075A - structure of drain motor in full-automation type washing machine - Google Patents

Abstract

PURPOSE: Drain motor structure for a fully automatic washing machine is provided to manufacture a drain motor conveniently by modifying the support structure of a contact point of the drain motor, and to improve the productivity and the reliability of operation by preventing deformation of the contact point in assembling. CONSTITUTION: A drain motor comprises a housing a driving motor and a deceleration gear; a mount plate(2) combined with the upper part of the housing; an output gear(3) rotating by receiving driving force from the driving motor; a cam structure contact point gear(4) engaged with the output gear and installed at the side of the mount plate; a slide lever(5) engaged with the output gear and moved linearly on the mount plate; first and second contact point bars(6,7) placed at both sides of the contact point gear; moving contact point bars(8a,8b) faced to each other between contact point bars; a contact point bar support(8) supporting contact point bars on the mount plate; and guide ribs(200a,200b) holding contact point bars. The first and second contact point bars are combined with the mount plate without interference with guide ribs by chamfering the contact portions of guide ribs.

Description

Structure of drain motor in full-automation type washing machine

The present invention relates to a drainage motor structure of a full-automatic washing machine, and more particularly, improved assembly of the support portion of the drainage motor to facilitate assembly of the drainage motor compared to the existing support portion of the drainage motor. In addition, it is to prevent deformation of the contact portion during assembly.

In general, a washing machine removes various contaminants attached to clothes and bedding by emulsifying the detergent, friction action of the water flow due to the rotation of the pulsator, and impact action of the washing wing on the laundry. As the sensor detects the amount and type of laundry, the washing method is automatically set, and the washing water is supplied to an appropriate level according to the amount and type of the laundry, and then washing is performed under the control of the microcomputer.

Referring to Figures 1 and 2 with respect to the conventional drainage motor provided in such a fully automatic washing machine as follows.

First, as shown in FIG. 1, the conventional drainage motor includes a housing 1 having a driving motor (not shown) and a reduction gear (not shown) therein, and a mounting plate coupled to the upper portion of the housing 1. (2), an output gear (3) axially connected to the drive motor and receiving a driving force from the drive motor, and installed on one side of the mount plate (2) so as to be rotatably engaged with the output gear (3). A contact gear 4 having a cam structure, a slide lever 5 installed to mate with the output gear 3, and a linear movement on the mount plate 2, and the contact gear 4. First and second contact points 6 and 7 provided on the left and right sides, movable contact points 8a and 8b positioned between the contact points, and the first and second contact points 6 and 7 and A contact support 8 provided on an upper surface of the mount plate 2 to support each movable contact 8a, 8b. It is open configuration.

At this time, the guide ribs 200a and 200b positioned on the mount plate 2 and positioned inside the first contact point 6 and the second contact point 7 to hold the positions of the contact points 6 and 7. ) Is provided.

In addition, the contact support 8 is formed with a plurality of contact block fitting grooves 810 fixed as the first and second contact points 6 and 7 and the movable contact points 8a and 8b are inserted. It is.

One side of the slide lever 5 is formed in a rack gear shape, and is linearly guided by the guide rail 220 formed on the mount plate 2.

On the other hand, the cam gear contact gear 4 is a two-stage structure, the lower portion is provided with a gear tooth (gear tooth part) is provided with the gear teeth meshing with the gear of the output gear (3), The cam part which integrally moves the movable contact stand 8a, 8b at the predetermined time and contacts the said 1st contact stand 6 or the 2nd contact stand 7 by the said cam movement is provided integrally. do.

Further, the rear of the first and second contact points 6 and 7 and the movable contact points 8a and 8b of the housing 1 are connected to the contact points 6, 7 and 8a and 8b, respectively. Terminals 9 are located.

The conventional drainage motor configured as described above performs one-stage driving and two-stage driving, allowing washing and rinsing in the first stage driving, and dehydration by high-speed rotation of the washing tank in the second stage driving. In addition, drainage is possible.

That is, during the first stage driving, the slide lever 5 is installed on the outer circumferential surface of the gear housing 1 of the clutch (not shown) to release the brake band that constrains it, and washing is possible, but the drain valve is not opened.

In the second stage driving, the slide lever 5 is further retracted to further dewater the brake band from the outer circumferential surface of the gear housing 1 and to open the drain valve.

However, such a conventional drainage motor, due to the geometric limitations of the guide ribs (200a, 200b), the following problems occur during assembly for manufacturing the drainage motor.

First, in the conventional drainage motor, as shown in FIG. 2, each of the guide ribs 200a and 200b provided on the mounting plate 2 has a square pillar shape, and the corner portion of the upper end is angled to form a drainage motor. When assembling for the assembly, the contact support 8 is not smoothly assembled due to the interference between the first and second contact points 6 and 7 and the guide ribs 200a and 200b. There was a problem of deterioration.

In other words, the first and second contact points 6 and 7 and the movable contact points 8a and 8b are inserted into the contact point fitting grooves 810 of the contact point support 8 and assembled, respectively. The fitting ribs 800 formed in the support 8 and the assembly ribs 210 formed in the mounting plate 2 are matched to each insertion hole 800 of the contact stand support 8. ) Is assembled on the mounting plate (2) so that the contact block support (8) is inserted. Accordingly, the first contact point 6 and the second contact point 7 are positioned on the outer surfaces of the guide ribs 200a and 200b, respectively.

At this time, the outer edge portion of the upper end of the guide ribs (200a, 200b) is an angular form when assembling at the same time to cause interference with the first contact point (6) and the second contact point (7), which causes the operator to Since the interference state between the first contact point 6 and the guide ribs 200a and the second contact point 7 and the guide ribs 200b in contact with the first contact point 6 should be removed, the assembly of the drainage motor may not be performed smoothly. Furthermore, there was a problem of lowering the productivity of the product.

In addition, since the upper edges of the guide ribs 200a and 200b are angled, deformation occurs in the first and second contact points 6 and 7 due to interference of the guide ribs 200a and 200b during assembly. The contact between the contacts during the operation of the drainage motor is not made reliably, which lowers the reliability of the drainage motor and further reduces the product reliability of the automatic washing machine.

The present invention is to solve the above problems, the assembly is made smoother than the contact portion support structure of the existing drain motor when assembling for manufacturing the drain motor by improving the contact portion support structure of the drain motor to open and close the drain valve In addition, it is an object of the present invention to provide a drainage motor structure of a fully automatic washing machine to prevent deformation of the contact portion during assembly.

1 is a plan view showing a drainage motor structure of a conventional fully automatic washing machine

2 is a perspective view of main parts of FIG.

Figure 3 is a plan view showing a drainage motor structure of the present invention

4 is a perspective view of main parts of FIG.

Explanation of symbols on the main parts of the drawings

1: Housing 2: Mounting Plate

200a, 200b: Guide rib 210: Assembly rib

220: guide rail 3: output gear

4: Contact Gear 5: Slide Lever

6: first contact point 7: second contact point

8a, 8b: movable contact table 8: contact point support

800: insertion hole 810: contact point fitting groove

In order to achieve the above object, the present invention is a housing that is provided with a drive motor and a reduction gear therein, a mounting plate coupled to the upper housing, the shaft is connected to the drive motor is rotated by receiving a driving force from the drive motor An output gear, a contact gear of a cam structure installed on one side of the mount plate to be rotatably engaged with the output gear, a slide lever installed to engage with the output gear, and a linear lever on the mount plate; First and second contact points provided on the left and right contact gears, a movable contact point positioned to face the first and second contact points respectively between the first and second contact points, and the first and second contact points. A contact support provided on an upper surface of the mount plate to support a contact point and a movable contact point; a first contact point and a second contact point of the mount plate; In the fully automatic washing machine configured to include a guide rib that located on the inner side of each point-to-hold the position of the contact teenagers drain motor; The guide rib has a rectangular pillar shape, and when the first contact point and the second contact point are assembled to the mounting plate by chamfering the side surfaces contacting the first contact point and the second contact point at the upper end, the guide rib interferes with the guide rib. There is provided a drainage motor structure of a fully automatic washing machine, characterized in that the prevention.

Hereinafter, the present invention will be described in detail with reference to FIGS. 3 to 4.

3 is a plan view showing a drainage motor structure of the present invention, Figure 4 is a perspective view showing the main portion of Figure 3, the present invention is a housing (1) having a drive motor and a reduction gear therein, and the housing (1) A mount plate 2 coupled to the upper portion, an output gear 3 axially connected to the drive motor and receiving a driving force from the drive motor, and a mount plate rotatably engaged with the output gear 3 to rotate; 2) A slide lever installed on the other side of the mount plate 2 so as to be engaged with the contact gear 4 of the cam structure installed on one side and the output gear 3 and to linearly move on the mount plate 2. (5) and between the first and second contact points 6 and 7 provided on the left and right sides of the contact gear 4 and the first and second contact points 6 and 7, respectively. Movable contact points 8a and 8b positioned to face the second contact points 6 and 7, respectively, and the first A contact stand support 8 provided on the mount plate 2 upper surface so as to support the second contact points 6 and 7 and the movable contact points 8a and 8b, and a first contact point of the mount plate 2; In the drain motor of the fully automatic washing machine comprising a guide rib (200a, 200b) positioned inside the stand (6) and the second contact point (7) to hold the positions of the contact points (6) (7), respectively ; The guide ribs 200a and 200b may have a rectangular pillar shape, and chamfer side surfaces of the upper end portions of the guide ribs 200a and 200b that contact the first contact point 6 and the second contact point 7, respectively. When the contact point 7 is assembled to the mounting plate 2, the interference with the guide ribs 200a and 200b is prevented.

The operation of the present invention configured as described above is as follows.

First, as shown in FIGS. 4A and 4B, the drainage motor of the present invention may have a rectangular pillar shape as a guide ribs 200a and 200b provided on the mount plate 2 as a whole. Since the outer edge portion of the upper end is chamfered, when assembling for manufacturing the drainage motor, the interference between the guide ribs 200a and 200b and the first and second contact points 6 and 7 is eliminated. And the assembly of the contact stand support 8 is made smoothly.

That is, each assembly rib 210 provided in the mounting plate 2 in a state where the first and second contact points 6 and 7 and the movable contact points 8a and 8b are assembled to the contact point support 8. Each of the guide ribs is assembled so that the assembly ribs 210 are inserted into the insertion holes 800 of the contact stand support 8 by matching the insertion holes 800 provided in the contact stand support 8, respectively. It is located on the outer surface of the (200a, 200b).

At this time, the outer edge portion of the upper end portion of each of the guide ribs 200a and 200b is chamfered, so that the first contact point 6 and the second contact point 7 are chamfered of the guide ribs 200a and 200b. Sliding along the inclined surface is easily located outside the guide ribs (200a, 200b).

That is, in the present invention, because the outer edge portion of the upper end of each guide rib 200a, 200b is chamfered, when the contact support 8 is assembled, the interference between the guide ribs 200a, 200b and the contact bars does not occur. Assembly is not smooth and thus productivity is improved.

In addition, in the present invention, the upper edge portions of the guide ribs 200a and 200b are chamfered, and thus, unlike the related art, the first contact table 6 and the second contact point are assembled when the guide ribs 200a and 200b are interfered with. The phenomenon in which deformation occurs in the base 7 is also eliminated, so that the contact between the contacts is secured, thereby improving the operation reliability of the drain motor.

As described above, the present invention relates to a drainage motor structure of a fully automatic washing machine, and improves the contact portion support structure of the drainage motor.

Through this, the present invention is not only to facilitate the assembly of the contact point when assembling for manufacturing the drainage motor, but also to prevent the deformation of the contact part during assembly, thereby improving productivity, as well as operating reliability of the drain motor and the automatic washing machine. The effect is to increase product reliability.

Claims (1)

A housing having a drive motor and a reduction gear therein, a mount plate coupled to the housing, an output gear axially connected to the drive motor to receive a driving force from a drive motor, and rotated by being engaged with the output gear A contact gear of a cam structure installed on one side of the mount plate so as to be able to engage with the output gear, and a slide lever installed to linearly move on the mount plate, and first and second provided on left and right sides of the contact gear. The mount so as to support the first and second contact points and the movable contact point positioned between the contact point and the first and second contact points so as to face the first and second contact points, respectively. Contact points support provided on the upper surface of the plate and the contact points are located inside the first contact point and the second contact point of the mount plate And a guide rib for holding the respective position in the full automatic washing machine of multiple motors configured; The guide rib has a rectangular pillar shape, and when the first contact point and the second contact point are assembled to the mounting plate by chamfering the side surfaces contacting the first contact point and the second contact point at the upper end, the guide rib interferes with the guide rib. Drainage motor structure of a fully automatic washing machine characterized in that it is prevented.