KR20070004506A - Heater fixing apparatus and drum type washing machine therewith - Google Patents

Abstract

A heater fixing apparatus and a drum-type washing machine with the same are provided to preclude the bracket from being separated, and to prevent the water from being leaked at the lower side of the tub by forcibly fitting the mounting projection of the bracket in the mounting groove of the bracket mounting part. A heater fixing apparatus comprises: bracket mounting parts(100) formed at a tub; a bracket(200) installed at the bracket mounting part to restrict one end of a heater whose the other end is fixed to the tub; and a mounting part formed at the bonded area between the bracket and the bracket mounting part to fix the bracket to prevent the bracket from being separated to the outside along with the axial direction of the bracket mounting part. The bracket has plates(210) contacted to each outer side of the bracket mounting parts, a lower support for supporting the lower side of the heater, and an upper support(230) for pressing the upper side of the heater.

Description

Heater fixing device and drum washing machine having same {HEATER FIXING APPARATUS AND DRUM TYPE WASHING MACHINE THEREWITH}

1 is a front view showing a heater fixing device of the drum washing machine according to the prior art.

Figure 2 is a front view showing another embodiment of the heater fixing device of the drum washing machine according to the prior art.

3 is a cross-sectional view showing a drum washing machine according to an embodiment of the present invention.

Figure 4 is a perspective view of the main part showing a heater fixing device of the drum washing machine according to an embodiment of the present invention.

5 is an exploded perspective view of FIG. 4.

Figure 6 is a front sectional view showing a heater fixing device of the drum washing machine according to an embodiment of the present invention.

<Explanation of symbols on main parts of the drawings>

51: cabinet 52: tub

53: drum 60: heater

100: bracket mounting portion 110: step

200: bracket 210: plate

220: lower support 230: upper support

240: support member 242: bend

300: mounting portion 310: mounting projection

320: mounting groove 400: separation prevention part

410: boss 420: fixed guide

430: end 440: fastening portion

The present invention relates to a drum washing machine, and more particularly, to mount a bracket to securely fix a free end of a heater for washing a boil, and to facilitate the removal and installation of the bracket. The present invention relates to a heater fixing device and a drum washing machine having the same to improve the assemblability during repair and replacement, and to prevent leakage of the tub on which the bracket is mounted.

1 is a front view showing a heater fixing device of the drum washing machine according to the prior art.

Referring to Figure 1, the heater mounting apparatus of the drum washing machine according to the prior art is a heater (1) for heating the washing water for boiled laundry, a heater bracket (2) on which the heater (1) is mounted, and the heater (1) In order to mount the heater bracket 2 mounted on the tub 3 in the tub 3, the tub 3 has an insertion protrusion 4 into which both ends of the heater bracket 2 are inserted.

As the washing proceeds in the state configured as described above, there is a concern that the heater bracket 2 which is inserted and fixed to the insertion protrusion 4 may come out during strong dehydration administration.

Therefore, when the heater bracket 2 exits from the insertion protrusion 4, a problem occurs in which the heater 1 is broken.

Figure 2 is a front view showing another embodiment of the heater fixing device of the drum washing machine according to the prior art.

Referring to Figure 2, in order to improve the problems described above, the heater bracket 22 is mounted to the heater 21 for heating the wash water, and the fixing is inserted into the insertion hole formed on both ends of the heater bracket 22 A screw 23, a fixing hole 25 formed in the tub 24 so that the fixing screw 23 is inserted, and a fixing nut 26 fixing the fixing screw 23 inserted into the fixing hole 25 are provided. Two O-rings 27 are mounted between the head of the fixing screw 23 and the tub 24 and between the tub 24 and the fixing nut 26.

Thus, the configuration in which the heater 21 is mounted on the tub 24 has a complicated configuration, which increases the number of parts. Therefore, the assembly is complicated, and the O-ring 27 is inserted into the fixing screw 23 in the assembling process. , Inserting the fixing screw 23 into the fixing hole 25 formed in the tub 24, inserting the O-ring (27) to the end of the fixing screw 23 inserted into the fixing hole 25, and then fixed The assembling process is complicated by coupling and fixing the fixing nut 26 to the tip of the screw 23.

Therefore, there is a problem in that the assembly cost of the product increases as well as the number of parts increases, so that the cost of the product increases due to the increase in material costs.

In addition, the conventional tub has a problem that the leak occurs from the inside to the outside.

The present invention has been made in order to improve the problems of the prior art described above, and firmly fixed to the heater using a bracket, and provided with a separation prevention portion to prevent the separation of the bracket and the bracket and the separation prevention heater It is an object of the present invention to provide a heater fixing device and a drum washing machine having the same, which can be easily separated from the assembly to reduce the assembly and installation work time, and to prevent leakage from the tub to the bottom.

The heater fixing device according to the present invention for solving the above problems is a bracket seating portion formed on the tub, the bracket is mounted on the bracket seating portion to restrain the other end of the heater is fixed to the tub and the bracket and bracket seating It is formed on the joint portion of the part characterized in that it comprises a mounting portion for fixed mounting so that the bracket is not separated out along the axial direction of the bracket seating portion.

The bracket seating portion is preferably formed to prevent the bracket from moving in the central direction along the axial direction.

The bracket consists of a plate which is in contact with each outside of a pair of bracket seating portion adjacent to the tub, a lower support connecting the plates to each other and supporting the lower part of the heater and an upper support connecting the plates to each other and pressurizing the upper part of the heater, The heater is characterized in that the insert is fixed between the lower support and the upper support.

The bracket is preferably formed to extend the support member to contact the tub to improve the bearing force.

In more detail, the lower support is preferably extended to the support member so as to contact the tub to improve the support force.

The support member is preferably made of a flexible material having a buffer force.

The support member preferably has a bending force by forming a bent portion.

The mounting portion is characterized in that the mounting groove formed in the recessed groove formed on the outer surface of the bracket and the mounting projections are formed to protrude on the inner surface facing the bracket seating portion, respectively.

The bracket is characterized in that it is firmly prevented from being separated outward along the axial direction of the bracket seating portion by the release preventing portion provided on the tub to prevent the end of the at least one pair of bracket seating portion formed on the tub. .

The release preventing part comprises a boss formed on the tub along the position corresponding to each outer side of the adjacent bracket seating portion and a fixing guide for preventing the detachment of the bracket by contacting the bracket by contacting the bracket. It is characterized by.

The fixing guide is a cover member formed in contact with a part of the periphery of the boss, the front side of the cover member is blocked by contacting the end of the boss and supporting both edges of the bracket to prevent separation and connecting the cover member and the bracket It characterized in that it comprises a connecting piece for supporting.

The brackets are preferably formed at both edges thereof so as to be firmly supported by the blocking piece.

The blocking piece is preferably fastened to the boss by a fastening portion.

The fastening part is inserted into the first fastener formed in the axial direction at the end of the boss, the second fastener formed in the blocking piece and the second fastener and fastened with the first fastener so as to integrally connect the blocking piece and the boss. It is preferable that the coupling member for.

A drum washing machine having a heater fixing device according to the present invention includes a bracket seating portion formed on a tub, a bracket mounted on the bracket seating portion and restraining the other end of the heater having one end fixed to the tub, and the bracket and the bracket seating portion. The bracket is formed by joining the bracket together with the mounting portion for fixedly mounting the bracket so that the bracket does not deviate outward along the axial direction of the bracket seat and the end of at least one pair of bracket seats formed on the tub. It characterized in that it comprises a heater fixing device including a departure prevention portion formed on the tub to prevent the departure to the outside in the direction.

Hereinafter, an embodiment of a heater fixing device and a drum washing machine having the same according to the present invention will be described in detail with reference to the accompanying drawings.

For convenience of description, a heater fixing device installed in a drum washing machine will be described as an example. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description.

In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator.

Therefore, the definitions of these terms should be made based on the contents throughout the specification.

3 is a cross-sectional view showing a drum washing machine according to an embodiment of the present invention, Figure 4 is a perspective view showing the main portion showing a heater fixing device of the drum washing machine according to an embodiment of the present invention.

And, Figure 5 is an exploded perspective view of Figure 4, Figure 6 is a front sectional view showing a heater fixing device of the drum washing machine according to an embodiment of the present invention.

3 to 6, a drum washing machine according to an embodiment of the present invention is a cabinet 51 forming an outer shape, and a tub installed to flow a predetermined amount inside the cabinet 51 so that washing water is fresh water. 52, a drum 53 rotatably installed inside the tub 52, a driving device 57 connected to the rotary shaft of the drum 53 and installed on the tub 52, and the tub ( A water supply device 58 installed in the tank 52 and extending outside the cabinet 51 to supply washing water to the tub 52, and a drainage device 59 extending from the tub 52 to the outside of the cabinet 51. do.

Thus, the water supply device 58 supplies the washing water to the tub 52, the laundry stored in the drum 53 while the drum 53 rotates when power is applied to the driving device 57 by an external operation. The rotation is performed to perform the washing operation.

Here, the tub 52 is provided with a heater 60 on the bottom surface, the heater 60 by heating the washing water supplied to the tub 52 to a high temperature, so that the washing operation can be boiled.

In particular, the tub 52 is provided with a mounting hole 52a on the side to insert one end of the heater 60 so that one end of the heater 60 is fixedly mounted by the mounting hole 52a.

At this time, since the other end of the heater 60 is a free end, shaking occurs to generate noise.

Thus, the other end of the heater 60 is fixed by the heater fixing device.

The heater fixing device of the drum washing machine according to an embodiment of the present invention is largely composed of the bracket seating portion 100 and the bracket 200.

The bracket seating portion 100 is formed on the bottom surface of the tub 52, but may be formed to protrude in one block, it is preferable to be arranged side by side.

In this case, the heater 60 may be provided in plural on the tub 52, but is shown as one provided for convenience.

In addition, the bracket seating portion 100 is disposed on both sides of each heater 60 on the tub 52 and arranged side by side, one bracket 60 is provided with one pair of heaters 60 is provided As shown.

In addition, the bracket 200 is fixedly mounted to the pair of bracket seating portions 100 at the same time, and serves to restrain the other end of the heater 60.

At this time, since the bracket 200 may be arbitrarily separated when the bracket 200 is seated on the bracket seating part 100, the bracket 200 is bound to the bracket seating part 100 by the mounting part 300.

Therefore, the mounting portion 300 serves to prevent the bracket 200 from being detached from the bracket mounting portion 100 by mounting the bracket 200 to be coupled to the bracket mounting portion 100.

At this time, the bracket seating portion 100 forms a step 110, respectively, to contact one side edge of the bracket 200 toward the center of the bracket seating portion 100.

That is, the step 110 of the bracket seating part 100 supports the bracket 200 to move the bracket 200 further to the center of the bracket seating part 100 along the axial direction of the bracket seating part 100. It does not play a role.

In addition, the bracket 200 is connected to the plate 210 and the plate 210 in contact with each outside of the pair of bracket seating portion 100 adjacent to the tub 52, and support the lower portion of the heater 60 The lower support 220 and the plate 210 is connected to each other and consists of an upper support 230 for pressing the upper portion of the heater (60).

The plate 210 is provided to contact the outer surface end of the bracket seating portion 100, respectively.

In addition, the lower support 220 and the upper support 230 connects a pair of plates 210 together.

At this time, the pair of plates 210, the lower support 220 and the upper support 230 is preferably integrally injection molded or mold manufactured.

In addition, the bracket 200 forms a gap penetrating to both sides between the upper support 230 and the lower support 220.

Therefore, the bracket 200 is supported by a pair of bracket seating portions 100, and the other end of the heater 60 is fixedly mounted by being inserted between the upper support 230 and the lower support 220.

In particular, when the bracket 200 is supported and installed only on the bracket seating part 100, the bracket 200 may be bent or deformed downward by being mounted at a predetermined clearance on the tub 52.

Thus, the bracket 200 is preferably formed integrally extending the support member 240 in the lower direction to contact the surface of the tub 52.

That is, the bracket 200 is firmly supported by the support member 240 with respect to the tub 52 and does not bend or change to improve the restraint force on the other end of the heater 60.

In more detail, the support member 240 is preferably formed integrally extending in the lower direction from the lower support 220 of the bracket 200.

In addition, the support member 240 is preferably formed (flexible).

The support member 240 is formed to be flexible, thereby reducing the impact force applied to the entire bracket 200 by buffering the heater 60, thereby improving durability.

In particular, the support member 240 is most preferably to form a bent portion 242 to maximize the buffer force.

The bent portion 242 further improves the buffering force.

On the other hand, the mounting portion 300 is formed in each of the mounting projection 310 protruding from the inner end of the bracket 200 to the inner surface of each of the mounting projection 310 and the inner surface of the bracket seating portion 100 is formed recessed projection 310 It consists of a mounting groove 320 for receiving.

Therefore, the bracket 200 is forcibly formed in the mounting grooves 320 formed in the bracket seating portion 100 in contact with each plate 210 by mounting protrusions 310 protruding from the inner surface of each plate 210. The insert is fixed to the bracket seating part 100.

Thus, as the mounting protrusion 310 is forcibly fitted into the mounting groove 320, the bracket 200 is bound to the bracket seating portion 100 to prevent upward and forward detachment and at the same time to the other end by the boss 410. The departure is prevented so that the vibration of the heater 60 does not leave the tub 52.

Of course, the bracket 200 and the bracket seating part 100 are separated by the user spreading the plates 210 formed on both sides of the bracket 200 by an external force in the outward direction of the bracket seating part 100.

At this time, the bracket 200 is preferably fixedly mounted to the bracket seating portion 100 by the mounting portion 300 at the same time as the stepped 110 and the bonding of the bracket seating portion 100.

In addition, the bracket 200 is bracket by the separation prevention portion 400 provided on the tub 52 to block the end of the at least one pair of bracket seating portion 100 formed on the tub 52 Departure to the outside along the axial direction of the seating portion 100 is firmly prevented.

That is, the mounting protrusion 310 is manufactured to a minimum size within the tolerance range or easily detached from the mounting groove 320 when worn, and the bracket 200 is separated from the end of the bracket seating portion 100 The departure prevention part 400 is provided to prevent it from being.

At this time, since the bracket 200 is no longer moved in the center direction along the axial direction of the bracket seating part 100 by the step 110, the bracket 200 is separated to push the outside of the bracket 200 toward the step 110. It is preferable that the prevention part 400 is provided.

That is, the bracket 200 is more firmly bound to the bracket seating portion 100 by the departure prevention portion 400.

Here, the departure prevention part 400 is formed to connect the boss 410 formed on the tub 52 and each end of the boss 410 along the position corresponding to each outside of the adjacent bracket seating portion 100 By contact with the bracket 200 is made of a fixing guide 420 for preventing the separation of the bracket 200.

The boss 410 is provided on the tub 52 on the outside of each bracket seating portion (100).

That is, the boss 410 is provided with a pair so that the bracket seating portion 100 is located therebetween.

At this time, the boss 410 is preferably formed in contact with the inner surface and the bottom surface of the tub 52 to increase the rigidity.

In addition, the fixing guide 420 is connected to each end of the pair of boss 410 and at the same time contact the outer edge of the bracket 200 by pressing the bracket 200 in the downward direction by the bracket 200 bracket mounting portion It prevents the departure to the outer direction of the (100).

In this case, the fixing guide 420 may be integrally formed with the boss 410, but may be detachably installed with the boss 410 by the fastening part 440.

In particular, the fixing guide 420 is covered with a cover member 422 formed to contact a part of the circumference of each boss 410, the front side of the cover member 422 is in contact with the end of the boss 410 and the bracket 200 It consists of a connecting piece 426 connecting the blocking piece 424 and the cover member 422 and supporting the bracket 200 to support both edges to prevent separation.

The pair of cover members 422 connected by the connecting pieces 426 are formed to cover a part of the circumference of the boss 410, respectively, so that the fixing guide 420 is fixed to the width of the pair of bosses 410. It serves to assemble and serves to support the connecting piece 426 on the boss 410.

At this time, when the fixing guide 420 is located on the upper portion of the bracket 200, the connecting piece 426 of the fixing guide 420 is in contact with the lower support 220 of the bracket 200, accordingly the connecting piece 426 Is not blocking the gap formed between the upper support 230 and the lower support 220.

The blocking piece 424 is in contact with the end of the boss 410.

In addition, the bracket 200 forms a stepped end portion 430 at both edges.

The end 430 of the bracket 200 is in contact with the inner surface of the blocking piece 424 in contact with the end of the boss 410 to easily determine the assembly position of the fixing guide 420.

At this time, the blocking piece 424 is in contact with the end of the boss 410 and the end 430 of the bracket 200 at the same time.

On the other hand, the fastening part 440 is the first fastening hole 442 formed in the axial direction at the end of the boss 410, the second fastening hole 444 and the second fastening hole formed in the blocking piece 424 It is inserted into the 444, the first fastener 442 is fastened to the coupling member 424 and the boss 410 is made of a coupling member 446 for coupling integrally.

The first fastener 442 preferably forms a tab on the inner side to be screwed to the coupling member 446. The second fastener 444 may form a tab on the inner side, but the coupling member ( It is desirable not to form tabs to only insert 446).

The coupling member 446 is a screw or bolt.

Looking at the operation of the heater fixing device and the drum washing machine having the same according to an embodiment of the present invention configured as described above are as follows.

First, the operator attaches each plate 210 of the bracket 200 to the end of the bracket seating part 100, and then attaches the fixing guide 420 of the separation prevention part 400 on the bracket seating part 100. Mount it.

At this time, the fixing guide 420 is in contact with the lower support 220 of the bracket 200.

Then, when the operator pushes the bracket 200 and the fixing guide 420 along the axial direction of the bracket seating portion 100, the heater 60 is the upper support 230 and lower support 220 of the bracket 200 In more detail, the mounting protrusion 310 of the bracket 200 is mounted to the mounting groove 320 of the bracket seating part 100 while being inserted between the upper support 230 and the connection piece 426 of the fixing guide 420.

Thereafter, the blocking piece 424 of the fixing guide 420 comes into contact with the end of the boss 410, and thus the heater 60 is engaged with the blocking piece 424 and the boss 410 by the coupling member 446. The other end fixed assembly of) is completed.

Thereafter, when the wash water is supplied to the tub 52 by the water supply device 58, the heater 60 is immersed in the wash water, and when power is applied to the heater 60, the washing water is supplied to heat the wash water above a predetermined temperature. As a result, the washing operation can be performed.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and various modifications and equivalent other embodiments are possible to those skilled in the art. Will understand.

In addition, the heater fixing device installed in the drum washing machine has been described as an example, but this is merely exemplary, and the heater fixing device of the present invention may be used in other products other than the heater fixing device used in the drum washing machine.

Therefore, the true technical protection scope of the present invention will be defined by the claims below.

Heater fixing device according to the present invention configured as described above and a drum washing machine having the same by forcing the mounting protrusion of the bracket into which the heater is inserted into the mounting groove of the bracket seating unit to bind the bracket first and then fasten the fixing guide to the boss By using the fixing guide that presses the bracket downwards, the bracket can be secondarily bound to prevent external detachment and the installation guide can be easily installed by installing the fixing guide with bolts or screws. There is an effect that can block the occurrence.

Claims (15)

A bracket seating portion formed on the tub; A bracket mounted to the bracket seating portion to restrain the other end of the heater having one end fixed to the tub; And And a mounting part formed at a junction of the bracket and the bracket seating part and fixedly mounted to prevent the bracket from being separated out along the axial direction of the bracket seating part. The method of claim 1, The bracket mounting portion forms a stepped heater fixing device, characterized in that to prevent the bracket from moving in the central direction along the axial direction. The method of claim 1, The brackets are in contact with each outside of the pair of bracket mounting portion adjacent to the tub; A lower supporter connecting the plates to each other and supporting a lower portion of the heater; And The plate is connected to each other, made of an upper support for pressing the upper portion of the heater, And the heater is inserted into and fixed between the lower support and the upper support. The method of claim 1, The bracket is a heater fixing device, characterized in that the support member is formed to extend on the tub to improve the supporting force. The method of claim 3, wherein The lower support is a heater fixing device characterized in that the support member is formed to extend on the tub to improve the supporting force. The method according to claim 4 or 5, The support member is a heater fixing device characterized in that the flexible formed having a buffer force. The method according to claim 4 or 5, The support member is a heater fixing device characterized in that it has a buffer force by forming a bent portion. The method of claim 1, The mounting portion mounting protrusions protruding from the both ends of the bracket to the inner side respectively; And The heater fixing device, characterized in that formed in each of the recessed inner surface facing the bracket mounting portion made of a mounting groove for receiving the mounting projection. The method of claim 1, The bracket is firmly prevented from being separated outward along the axial direction of the bracket seating portion by a release preventing portion provided on the tub to prevent the end of at least one pair of bracket seating portions formed on the tub. Heater fixing device, characterized in that. The method of claim 9, The detachment preventing portion is formed on the tub along a position corresponding to each outer side of the bracket mounting portion adjacent; And It is formed to connect each end of the boss and the heater fixing device comprising a fixing guide for preventing the separation of the bracket by contacting the bracket. The method of claim 10, The fixing guide may include a cover member formed to contact a portion of the circumference of each boss; A blocking piece which is blocked on the front side of the cover member to be in contact with the boss end and prevents detachment by supporting both edges of the bracket; And A heater fixing device comprising: a connecting piece for connecting the cover member and supporting the bracket. The method of claim 11, The bracket is a heater fixing device characterized in that the end is formed on each side edge so as to be firmly supported by the blocking piece. The method of claim 11 or 12, The blocking piece is a heater fixing device characterized in that the fastening detachable to the boss. The method of claim 13, The fastening portion is a first fastening hole formed in the axial direction at the end of the boss; A second fastener formed on the blocking piece; And Inserted into the second fastener and fastened to the first fastener and the heater fixing device characterized in that it comprises a coupling member for integrally coupling the blocking piece and the boss. A bracket seating portion formed on the tub; A bracket mounted to the bracket seating portion to restrain the other end of the heater having one end fixed to the tub; A mounting part formed at a junction of the bracket and the bracket seating part to fix the bracket so as not to be detached outward along the axial direction of the bracket seating part; And And a separation prevention part formed on the tub to prevent the bracket from being separated outward along the axial direction of the bracket seating part by blocking the at least one pair of ends of the bracket seating part formed on the tub and the bracket. Drum washing machine comprising a heater fixing device.

Images