JP6990497B2 - washing machine - Google Patents

Description

Embodiments of the present invention relate to a washing machine.

In a so-called vertical axis type washing machine, a washing tub having an open upper surface is provided in the main body, and an entrance / exit located above the washing tub is provided on a top cover provided on the upper surface of the main body, and the entrance / exit is provided. It is configured with a lid that opens and closes. In recent years, as a lid of a washing machine, for example, in order to improve the visibility inside, a structure in which a glass face plate is supported by a frame (lid body member) made of synthetic resin is known (for example, Patent Documents 1 and 2). reference).

Japanese Unexamined Patent Publication No. 2005-58753 Republic of Korea KRA-2012088685 Gazette

For a lid using a glass face plate as described above, a non-crystalline resin material such as ABS (acrylonitrile-butadiene-styrene) resin is generally used as the material of the frame (cover body member). Is. However, in this type of synthetic resin frame, solvent cracks are caused by mechanical stress such as opening and closing of the lid and environmental stress such as temperature change in a state where a chemical such as a liquid concentrated detergent is attached. (Solvent crack) may occur.

Therefore, there is provided a washing machine having a lid using a glass surface material on the upper part of the main body, which can prevent the occurrence of solvent cracks in the lid main body member as much as possible.

The washing machine of the embodiment has a main body having a washing tub, an entrance / exit provided on the upper part of the main body to put in and take out laundry from the washing tub, and supported by an upper surface portion of the main body to open and close the entrance / exit. A composite comprising a covering lid, wherein the lid is placed on a glass surface material arranged on the upper surface and a glass surface material arranged on the lower surface side of the glass surface material so as to be placed on the upper surface so as to overlap the glass surface material. The glass-attached member made of resin and the lid main body member arranged on the side surface and / or the bottom surface of the lid and made of a crystalline resin material are provided, and the glass-attached member is a material constituting the lid main body member. On the other hand, it is composed of a material with a small shrinkage rate.

The right side view which shows the 1st Embodiment and shows the whole structure of a washing machine schematicly. Perspective view showing the appearance of the washing machine Perspective view of the lid Enlarged vertical side view of the lid along the AA line of FIG. Enlarged vertical sectional front view of the lid along the line BB in FIG. Disassembled perspective view of the lid Enlarged vertical side view of the lid (along the CC line of FIG. 3) at a position different from that of FIG. Enlarged side view of the main part showing the mounting structure of the rear cover Enlarged vertical sectional side view of the main part showing the mounting structure of the handle member The second embodiment is shown, and is a perspective view of a lid. Enlarged longitudinal side view of the lid along the DD line of FIG. Enlarged vertical sectional front view of the lid along the line EE of FIG. Disassembled perspective view of the lid Enlarged vertical front view of the lid (along the FF line of FIG. 10) at a position different from that of FIG.

(1) First Embodiment Hereinafter, the first embodiment applied to a so-called vertical axis type washing machine (fully automatic washing machine) will be described with reference to FIGS. 1 to 9. 1 and 2 schematically show the overall configuration of the washing machine 1 according to the present embodiment, and the washing machine 1 is configured to include a lid 3 on the upper part of the main body 2. The main body 2 includes, for example, an outer box 4 formed of a steel plate as a whole into a rectangular box shape. At the bottom of the outer box 4, a base plate 6 having four legs 5 is provided. A top cover 7 and a back cover 8 are provided on the upper portion of the outer box 4.

Although not shown, a water tank for storing washing water is provided in the outer box 4 by being elastically supported by an elastic suspension mechanism, as is well known. At the lower part of the outer box 4, a drainage channel provided with a drainage valve is provided so as to communicate with the drainage port provided at the bottom of the water tank, and the drainage hose connected to the drainage channel is the base plate 6. It is led out to the outside through the hose lead-out unit 6a of. In the water tub, a vertical axis type washing tub 9 (see FIG. 1), which also serves as a dehydration tub and accommodates laundry, is rotatably provided. The washing tub 9 has a cylindrical container shape with an open upper surface, and a stirring body (not shown) is arranged at the inner bottom thereof.

Although this is also not shown, a drive mechanism having a well-known structure is arranged at the lower part (outer bottom part) of the water tank. This drive mechanism includes a washing machine motor and a clutch mechanism that selectively transmits the rotational driving force thereof to the stirring body or the washing tub 9. A water tank cover is attached to the upper part of the water tank, and the water tank cover is provided with an opening for taking in and out laundry, and an inner lid for opening and closing the opening is attached. The water tank cover is also provided with a water supply port for water supply.

As shown in FIGS. 1 and 2, a synthetic resin top cover 7 is attached to the upper part of the outer box 4. The top cover 7 has a thin hollow box shape in which the lower surface is open and the upper surface is inclined downward toward the front. Although not shown in detail, the top cover 7 has the above-mentioned center on the upper surface. A substantially circular entrance / exit 10 for laundry is formed above the washing tub 9 (above the opening of the water tub cover). The lid 3 has a rectangular panel shape as a whole, and is provided on the upper surface of the top cover 7 so as to open and close the doorway 10.

Further, a back cover 8 is attached to the rear portion of the top cover 7 so as to extend in the left-right direction along the rear side portion of the main body 2. As shown in FIG. 2, on the upper surface of the back cover 8, two connection ports 11 and 12 for tap water and bath water are provided at left and right positions. Although not shown, a water supply mechanism for supplying tap water or bath water to the water tank is provided in the back cover 8. This water supply mechanism has a well-known configuration including a water supply valve, a water injection case, a water supply hose, and the like. Although not shown, an operation panel is provided on the upper surface of the front side portion of the top cover 7.

Now, the lid 3 will be described in detail with reference to FIGS. 3 to 7. FIG. 3 shows the external configuration of the lid 3, which has a slightly horizontally long rectangular panel shape (thin plate shape) as a whole as described above. Although not shown in detail, the rear side portion of the lid 3 is rotatably supported with respect to the top cover 7 via a rotation shaft (hinge portion) (not shown), and the entrance / exit 10 is rotatably closed. There is. In the present embodiment, as shown in FIGS. 3, 6 and the like, the lid 3 has a lid main body member 13 and a glass surface material 14 arranged on the upper surface of the lid main body member 13.

The glass surface material 14 is made of a hard glass plate colored (or transparent) with a paint or the like, and is formed in a rectangular thin plate shape. As shown in FIGS. 4 to 7, the glass surface material 14 is held by a glass pasting member 15 made of synthetic resin. The glass pasting member 15 has a width dimension substantially the same as that of the glass surface material 14, and is slightly smaller in the front-rear direction, that is, has a rectangular plate shape having a size such that the glass surface material 14 slightly protrudes from the rear side, and the upper surface portion thereof. The glass surface material 14 is held in a mounted shape.

At this time, the double-sided adhesive tape 16 is attached to the upper surface of the glass attaching member 15 in a rectangular frame shape along the front, rear, left and right sides, and the glass surface material 14 is adhesively fixed by the double-sided adhesive tape 16. It has become. In the present embodiment, as the material of the glass pasting member 15, a material having a shrinkage rate smaller than that of the material constituting the lid main body member 13 described below, for example, ABS resin is adopted. Further, in the present embodiment, as shown in FIG. 7, on the back surface (lower surface) side of the glass pasting member 15, the engaging holes 17 for fixing (only two are shown) are located near the four corners. ) Is formed.

As shown in FIG. 6 and the like, the lid main body member 13 has a rectangular box shape (frame shape) that is thin in the vertical direction and has an open upper surface, which is large enough to accommodate the glass attaching member 15 inside. .. In the present embodiment, the lid main body member 13 is made of a crystalline resin material, for example, a colored PP (polypropylene) resin, and is arranged so as to completely cover the bottom surface and the entire periphery of the glass pasting member 15. Although not shown in detail, the rotation shaft (hinge portion) is provided on the lid main body member 13.

At this time, the lid main body member 13 integrally has a relatively thick rectangular bottom wall portion and a peripheral wall portion rising from the front, rear, left, and right sides thereof. As shown in the above, for example, four engaging claw portions 18 are integrally formed so as to project to the upper surface of the bottom wall portion. These engaging claw portions 18 are provided at positions near the front and rear portions of the left and right side portions, that is, in the vicinity of the four corner portions corresponding to the engaging hole portions 17. These engaging claws 18 are adapted to fix the glass sticking member 15 by being engaged with each of the engaging holes 17.

Further, as shown in FIG. 6 and the like, the rear cover 19 is attached to the rear side portion of the lid main body member 13 so as to be fitted, and the front side portion of the lid main body member 13 is provided as a front cover. The handle member 20 is attached. As shown in FIGS. 4 and 7, the rear cover 19 is made of a colored synthetic resin such as PP resin, and extends in the left-right direction so as to form a rear side portion and a back surface portion of the bottom surface of the lid 3. , The side surface is L-shaped and has a thin plate shape. At the same time, at the upper end portion of the rear cover 19, a locking piece portion 19a for locking the upper surface of the trailing edge portion of the glass surface material 14 in a form bent at a right angle to the front is integrally integrated in the entire left-right direction. It is provided.

As shown in FIGS. 4 and 7, the handle member 20 is made of a colored synthetic resin, for example, PP resin, has an inverted L-shape on the side surface and extends in the left-right direction, and is attached to the front end portion of the lid 3. , A recess 20a for a hand is formed between the top cover 7 and the upper surface of the top cover 7 for a user to insert a finger. At the same time, the handle member 20 is integrally provided with a locking piece portion 20b for locking the upper surface of the front edge portion of the glass surface material 14 so as to extend rearward in a canopy shape over the entire left-right direction. ing.

Further, as shown only in FIG. 8, a locking piece having a hole 21a on the left and right side surface portions of the rear cover 19 so as to extend downward from the upper end for coupling with the glass attaching member 15. The portions 21 are integrally provided. Locking claws 22 for attaching the rear cover 19 are integrally formed on the left and right side walls of the rear portion of the glass pasting member 15. By fitting the rear cover 19 into the glass pasting member 15, the locking claw 22 is locked in the hole 21a of the locking piece portion 21, and both are coupled and fixed. ..

Similarly, as shown only in FIG. 9, the rear surface portion of the handle member 20 is integrally provided with locking holes 23 to be coupled to the glass attaching member 15 at a plurality of positions. On the other hand, a plurality of locking claws 24 to be locked in each of the locking holes 23 are integrally provided on the front surface of the glass sticking member 15. By fitting the handle member 20 into the glass pasting member 15 from the front, the locking claw 24 is locked in the locking hole 23, and both are coupled and fixed.

The above-mentioned lid 3 is assembled by the following procedure. First, the double-sided adhesive tape 16 is attached to the upper surface of the glass attaching member 15, and the glass surface material 14 is fixed on the double-sided adhesive tape 16. Next, the glass sticking member 15 to which the glass surface material 14 is fixed is fitted into the lid main body member 13. At this time, the glass sticking member 15 is fixed to the lid main body member 13 by engaging each engaging claw portion 18 of the lid main body member 13 in each engaging hole portion 17 of the glass sticking member 15.

After that, the rear cover 19 is engaged and fixed to the rear portion of the glass attaching member 15 by claw engagement, and the handle member 20 is engaged and fixed to the front portion of the glass attaching member 15 by claw engagement. This completes the lid 3 having the above configuration. At this time, the locking piece portion 19a of the rear cover 19 locks the upper surface of the trailing edge portion of the glass surface material 14, and the locking piece portion 20b of the handle member 20 engages with the upper surface of the front edge portion of the glass surface material 14. It stops and the glass surface material 14 is prevented from rising.

Next, the action / effect of the above configuration will be described. In the washing machine 1 of the present embodiment, by arranging the glass face plate 14 on the upper surface of the lid 3 provided on the upper surface of the main body 2, the design can be improved and the appearance can be improved, and the washing machine 1 can be maintained. It can be made easy (excellent in cleanability).

Here, in the lid 3 using the glass face plate 14 as described above, a configuration is adopted in which the glass face plate 14 is held by a frame (cover body member 13) made of synthetic resin. If a non-crystalline resin material such as ABS resin is used as the material of the frame (lid body member 13), mechanical stress such as opening and closing of the lid 3 with a chemical such as a liquid concentrated detergent attached. In addition, solvent cracks (solvent cracks) may occur due to the application of environmental stress such as temperature changes.

However, in the present embodiment, PP resin, which is a crystalline resin, is used for the lid main body member 13. It is known that this crystalline resin has excellent chemical resistance as compared with a non-crystalline resin and is less likely to cause solvent cracks. As a result, even when a chemical used for washing such as a liquid concentrated detergent adheres to the lid 3, the generation of solvent cracks can be suppressed as compared with the case where a non-crystalline resin material is used. In particular, in the present embodiment, since PP resin, which is a crystalline resin, is also used for the handle member 20 and the rear cover 19, it is possible to suppress the occurrence of solvent cracks in these parts as well. Since the rotation shaft for rotatably supporting the lid 3 is also provided integrally with the lid main body member 13 made of crystalline resin, it is possible to suppress the occurrence of solvent cracks in the rotation shaft portion as well.

Further, in particular, in the present embodiment, the glass sticking member 15 holding the glass surface material 14 is made of ABS resin, which is a material having a smaller shrinkage rate than the material (PP resin) constituting the lid main body member 13. .. As a result, the shrinkage, deformation and distortion of the glass pasting member 15 due to environmental stress such as temperature change can be suppressed to a small extent. Therefore, it is possible to reduce the mechanical stress applied to the glass surface material 14 due to the deformation and distortion of the glass pasting member 15.

As described above, according to the present embodiment, in the washing machine 1 having the lid 3 using the glass surface material 14 on the upper part of the main body 2, the material of the lid main body member 13 is crystallized instead of the conventional ABS resin. Since the sex resin is used, it is possible to obtain an excellent effect that the occurrence of solvent cracks in the lid main body member 13 can be prevented as much as possible.

(2) Second Embodiment, Other Embodiments Next, the second embodiment will be described with reference to FIGS. 10 to 14. It should be noted that this second embodiment is also applied to the vertical axis type fully automatic washing machine, and the configuration of the main body 2 and the like are the same as those of the first embodiment. Therefore, for the same parts as those in the first embodiment, the reference numerals will be used in common, and new illustrations and repetitive explanations will be omitted. The difference between this second embodiment and the first embodiment is that the lid 31 is provided on the upper part of the main body 2 and opens and closes the doorway 10. That is, the lid 31 includes a glass surface material 14, a glass pasting member 32, lid main body members 33 and 33, a rear cover 34, and a handle member 35 as a front cover.

As shown in FIGS. 11 to 14, the glass attaching member 32 is made of a material having a shrinkage rate smaller than that of the material constituting the lid main body member 33, for example, an ABS resin material, and has the same size as the glass surface material 14 as described above. It has a rectangular plate shape that is slightly thicker than the glass pasting member 15 of the first embodiment. The glass surface material 14 is adhesively fixed to the upper surface of the glass attaching member 32 by the double-sided adhesive tape 16. Further, in the present embodiment, as shown in FIGS. 12 to 14, engagements for fixing the lid main body member 33 are located on the left and right side surface portions of the glass attaching member 32, for example, at two front and rear positions, respectively. The hole 36 is formed.

The lid main body members 33 and 33 are each formed of a crystalline resin material, for example, a colored PP (polypropylene) resin, in a plate shape extending back and forth so as to cover the left and right side surfaces of the glass pasting member 32. There is. Then, as shown in FIGS. 12 to 14, two each of the lid main body members 33, 33 correspond to the engaging hole portion 36 of the glass pasting member 32 so as to project inward on the inner surface side. The engaging claw portion 37 is integrally formed. By fitting and fixing each engaging claw portion 37 to the engaging hole portion 36, the lid main body members 33 and 33 are coupled to the glass attaching member 32.

As shown in FIGS. 11 and 13, the rear cover 34 constitutes a rear side portion and a back surface portion of the bottom surface of the lid 31 from a colored synthetic resin such as PP resin (covers the rear portion of the glass sticking member 32). ) It is formed in a thin plate shape and integrally has a locking piece portion 34a for locking the upper surface of the trailing edge portion of the glass surface material 14. The handle member 35 extends in the left-right direction from a colored synthetic resin such as PP resin in an inverted L-shape on the side surface, and covers the front end portion of the lid 3 with the front surface portion of the glass affixing member 32 for handling. The recess 35a is formed. Further, the handle member 35 is integrally provided with a locking piece portion 35b for locking the upper surface of the front edge portion of the glass surface material 14.

Further, although not shown, the rear cover 34 is integrally provided with a locking piece portion to be coupled to the glass attaching member 32, as in the first embodiment. A locking claw for attaching the rear cover 34 is formed on the rear surface portion of the glass pasting member 32. The handle member 35 is also integrally provided with a locking hole to be coupled to the glass attachment member 32, and a locking claw for attaching the handle member 35 is provided on the front surface of the glass attachment member 32. It is formed integrally.

In assembling the lid 31 described above, first, the double-sided adhesive tape 16 is attached to the upper surface of the glass attaching member 32, and the glass surface material 14 is fixed on the double-sided adhesive tape 16. Next, the lid main body members 33 and 33 are joined and fixed to the left and right side surface portions of the glass pasting member 32 to which the glass surface material 14 is fixed. At this time, the glass sticking member 32 and the lid main body members 33, 33 are fixed by fitting each engaging claw portion 37 of the lid main body member 33 into each engaging hole portion 36 of the glass sticking member 32. Will be done.

After that, the rear cover 34 is engaged and fixed to the rear portion of the glass affixing member 32 by claw engagement, and the handle member 35 is engaged and fixed to the front portion of the glass affixing member 32 by claw engagement. This gives the lid 31 shown in FIG. 10 and the like. Also in this case, the locking piece portion 34a of the rear cover 34 locks the upper surface of the trailing edge portion of the glass surface material 14, and the locking piece portion 35b of the handle member 35 locks the upper surface of the front edge portion of the glass surface material 14. It is locked and the glass surface material 14 is prevented from rising.

According to such a second embodiment, in a washing machine having a lid 31 using a glass surface material 14 on the upper part of the main body 2, a crystalline resin in which solvent cracks are less likely to occur in the lid main body member 33. Since the PP resin is used, the generation of solvent cracks can be suppressed even when a chemical used for washing such as a liquid concentrated detergent adheres to the lid 31 as in the first embodiment. In particular, in the present embodiment, since PP resin, which is a crystalline resin, is also used for the handle member 35 and the rear cover 34, the occurrence of solvent cracks can be suppressed in these parts as well.

Further, in the present embodiment, the glass sticking member 32 holding the glass surface material 14 is made of ABS resin, which is a material having a smaller shrinkage rate than the material (PP resin) constituting the lid main body member 33. , The mechanical stress applied to the glass surface material 14 can be reduced. In particular, in the present embodiment, the lid main body members 33 and 33 are provided so as to cover the side surfaces of the glass affixing member 32, so that the chemicals adhere to the glass affixing member 32 while relatively easily configuring the entire lid 31. It is possible to prevent the glass sticking member 32 from having an adverse effect such as the occurrence of a solvent crack.

In each of the above embodiments, polypropylene (PP) resin is used as the crystalline resin constituting the lid main body member, but other than that, for example, polyethylene (PE), polyethylene terephthalate (PET), polyacetal (POM) and the like are used. Various crystalline resins of the above can be adopted. Further, although the rear cover and the handle member are also made of crystalline resin, they may be made of non-crystalline resin such as ABS resin, and at least if crystalline resin is adopted for the lid main body member, The desired purpose can be achieved. The material of the glass pasting member is not limited to ABS resin, and for example, non-crystalline resin such as polystyrene (PS), polyvinyl chloride (PVC), and acrylic resin can be adopted.

In the first embodiment, the lid main body member 13 is configured to cover the bottom surface of the glass attaching member 15 and the entire periphery (front / rear / left / right), but is configured to cover the bottom surface and the left / right side surfaces of the glass attaching member 15. You may. Further, the lid main body member may be arranged so as to cover at least a part of the bottom surface or the side surface of the glass pasting member. The left and right side surfaces of the glass pasting member may be covered with a member different from the lid main body member.

A liquid or gel-like adhesive material (adhesive material) may be used to fix the glass surface material to the glass-attached member. The glass-attached member may be formed into a thin plate, and a space may be provided in the box-shaped lid main body member. As a means for connecting the rear cover and the handle member (front cover), screwing or adhesion may be adopted. The rear cover and the handle member may be integrally provided with the frame-shaped or box-shaped lid main body member. Each member constituting the lid may be made of a transparent material so that the inside can be visually recognized. In addition, it can be applied not only to fully automatic washing machines but also to the lids of various washing machines, and can be appropriately changed and implemented within a range that does not deviate from the gist.

In the drawing, 1 is a washing machine, 2 is a main body, 3 and 31 are lids, 7 is a top cover, 9 is a washing tub, 10 is an entrance / exit, 13 and 33 are lid main body members, 14 is a glass surface material, and 15 and 32 are. Glass sticking member, 16 is double-sided extension tape, 17 and 36 are engaging holes, 18 and 37 are engaging claws, 19 and 34 are rear covers, 19a and 34a are locking pieces, and 20 and 35 are handle members. (Front cover), 20b, 35b indicate a locking piece.

Claims (6)

The main body with a washing tub and
An entrance / exit provided on the upper part of the main body to put laundry in and out of the washing tub,
It is provided with a lid that is supported on the upper surface of the main body and covers the doorway so that it can be opened and closed.
The lid is
The glass surface material placed on the upper surface and
A glass pasting member made of synthetic resin, which is arranged on the lower surface side of the glass surface material and is held in a state where the glass surface material is placed so as to overlap the upper surface.
A lid main body member arranged on the side surface and / or the bottom surface of the lid and made of a crystalline resin material is provided, and the lid body member is provided.
The glass-attached member is a washing machine made of a material having a smaller shrinkage ratio than the material constituting the lid main body member. The washing machine according to claim 1, wherein the lid main body member is arranged so as to cover the bottom surface of the glass pasting member and the entire periphery thereof. The washing machine according to claim 1, wherein the lid main body member is arranged so as to cover the bottom surface and the left and right side surfaces of the glass pasting member. A front cover of a member different from the lid main body member is arranged on the front surface side of the glass pasting member, and the front cover is provided with a locking piece portion for pressing the upper surface of the glass surface material. The washing machine according to any one of claims 1 to 3. A claim that a rear cover of a member separate from the lid main body member is arranged on the rear surface side of the glass pasting member, and the rear cover is provided with a locking piece portion for pressing the upper surface of the glass surface material. The washing machine according to any one of 1 to 4. The washing machine according to claim 1, wherein the left and right side surfaces of the glass-attached member are each covered with a member different from the lid main body member .

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