KR101716173B1 - Laundry treating apparatus - Google Patents

Abstract

The laundry treatment apparatus of the present invention comprises a cabinet; An outer tub hanging in the cabinet; A base supporting the cabinet and having a tubular boss portion having an upwardly extending hollow; A guide pin extending in the vertical direction; A pin supporter supported at least partially by the boss portion and supporting the guide pin; A vertically moving element provided movably along the guide pin; An outer tub interlocking element interlocked with the outer tub and being coupled to the up-and-down moving element, the outer tub interlocking element being movable relative to the up-and-down moving element; And a friction element provided in any one of the up-and-down moving element and the outer-tier interlocking element and providing a dynamic friction force with the other as the outer tier interlocking element is moved.

Description

{LAUNDRY TREATING APPARATUS}

The present invention relates to a laundry processing apparatus.

2. Description of the Related Art Generally, a laundry processing apparatus is a device for treating laundry by applying physical and chemical actions to laundry, including a washing machine for removing contamination of laundry, a dehydrator for spinning laundry at high speed by rotating the laundry, Or a dryer for drying wet laundry by applying hot air.

13 shows a conventional washing machine. Referring to FIG. 13, the washing machine W includes a casing 10 forming an outer appearance, operation keys for receiving various control commands from a user, and a display for displaying information on operating conditions of the washing machine, And a door 7 rotatably provided in the casing 10 and opening and closing an access hole (not shown) through which the laundry enters and exits.

The casing 10 includes a base 12 on which a washing machine W is placed, a cabinet 11 supported by the base 12, a tower 11 coupled to the upper side of the cabinet 11, And may include a cover 14.

The outer tub 2 in which wash water is stored is suspended inside the casing 10 by the support rod 15. A plurality of holes through which washing water can pass are formed in the inner tub 3 and a pulsator 4 is provided on the bottom of the inner tub 3 And can be rotatably provided.

A pivot (18) is coupled to one end of the support rod (15). The pivot 18 is supported by the pivot support 16. The pivot support portion 16 is fixed to the casing 10 so as to support the pivot 18 so as to be pivotable within a predetermined range so that the pivot 18 is inserted from above through an opening formed at a substantially central portion, The pivot 18 is supported by not completely passing through but partially caught in the opening. The pivot support portion 16 can be fixed by either the cabinet 11 or the top cover 14. [

One end of the support rod 15 is engaged with the pivot 18 and the other end is connected to the outer tub 2 by the suspension 30. The suspension 30 connects the support rod 15 to the outer tub 2 and attenuates the vibration of the outer tub 2 that occurs during operation of the washing machine. The suspension 30 may include a cap 31 fixed to the outer surface of the outer tub 2 and an elastic member 32 elastically deformed according to the vibration of the outer tub 2. [ The support rod 15 passes through the cap 31 and a support end 33 for supporting the elastic member 32 is provided at one end of the support rod 15.

When the outer tank 2 is vibrated, the suspension cap 31 is lifted and lowered along the support rod 15 integrally with the outer tank 2. The frictional force acting between the cap 31 and the support end 33 during the movement of the cap 31 integrally with the outer tub 2 and the compressed air caused by the movement of the cap 31 are transmitted to the inner peripheral surface of the cap 31, The elastic force of the elastic member 32, and the elasticity / restitution force of the elastic member 32 due to the elastic force of the elastic member 32.

The washing machine W includes a water supply channel 5 connected to an external water source such as a faucet and supplying water into the outer tub 2 and / or the inner tub 3, a water supply valve 6 for interrupting the water supply channel 5, A driving unit 13 for providing driving force for rotating the inner tub 3 and / or the pulsator 4, a drain line 9 for draining the washing water in the outer tub 2, And a drain pump 17 for pumping the washing water drained through the valve 8 and / or the drainage passage 9 to the outside of the washing machine W. [

In such a conventional washing machine, the vibration of the outer tub 2 is damped to a certain extent by the suspension 30. The suspension 30 mainly serves to reduce the vertical vibration of the outer tub 2, It was not enough to reduce vibration.

In recent years, in order to improve the usability of the residential space, studies have been actively carried out to increase the capacity of the outer tub 2 to the maximum while increasing the overall size of the laundry processing apparatus as much as possible. 10 and the outer tank 2 is gradually narrowed. As the distance between the casing 10 and the outer tank 2 becomes narrower, the probability of collision between the outer tank 2 and the casing 10 increases, so that the vibration in the horizontal direction of the outer tank 2 can be more effectively It is very important to have a plan to reduce it.

SUMMARY OF THE INVENTION An object of the present invention is to provide a laundry processing apparatus capable of reducing horizontal vibration in a lower portion of a bathtub.

Second, it is intended to provide a laundry processing apparatus in which the horizontal vibration of the outer tub is reduced to reduce the space between the outer tub and the casing, and the capacity of the outer tub is increased accordingly.

Third, it is an object of the present invention to provide a laundry processing apparatus that prevents collision between an outer tub and a casing.

The laundry treatment apparatus of the present invention comprises a cabinet; An outer tub hanging in the cabinet; A base supporting the cabinet and having a tubular boss portion having an upwardly extending hollow; A guide pin extending in the vertical direction; A pin supporter supported at least partially by the boss portion and supporting the guide pin; A vertically moving element provided movably along the guide pin; An outer tub interlocking element interlocked with the outer tub and being coupled to the up-and-down moving element, the outer tub interlocking element being movable relative to the up-and-down moving element; And a friction element provided in any one of the up-and-down moving element and the outer-tier interlocking element and providing a dynamic friction force with the other as the outer tier interlocking element is moved.

Alternatively, the laundry treatment apparatus of the present invention comprises a cabinet; An outer tub hanging in the cabinet; An inner tub rotatably provided in the outer tub; A base supporting the cabinet and including a horizontal base pan and a side wall extending upward from the base pan; A guide pin extending in the vertical direction; A pin mount protruding from the side wall portion and supporting the guide pin; A vertically moving element provided movably along the guide pin; An outer tub interlocking element interlocked with the outer tub and being coupled to the up-and-down moving element, the outer tub interlocking element being movable relative to the up-and-down moving element; And a friction element provided in any one of the up-and-down moving element and the outer-tier interlocking element and providing a dynamic friction force with the other as the outer tier interlocking element is moved.

Alternatively, the laundry treatment apparatus of the present invention comprises a cabinet; An outer tub hanging in the cabinet; An inner tub rotatably provided in the outer tub; A base for supporting the cabinet; A support leg supporting the base and including a support shaft passing through the base; A guide pin extending in the vertical direction; A pin supporter disposed on the base and supporting the guide pin and fixed by the support shaft; A vertically moving element provided movably along the guide pin; An outer tub interlocking element interlocked with the outer tub and being coupled to the up-and-down moving element, the outer tub interlocking element being movable relative to the up-and-down moving element; And a friction element provided in any one of the up-and-down moving element and the outer-tier interlocking element and providing a dynamic friction force with the other as the outer tier interlocking element is moved.

The laundry processing apparatus of the present invention has an effect of reducing the horizontal vibration of the outer tank.

Further, the laundry processing apparatus of the present invention has the effect of expanding the capacity of the outer tank.

Further, the laundry processing apparatus of the present invention has an effect of preventing the occurrence of abnormal noise by improving the durability by preventing the collision between the outer tank and the casing.

Further, in the laundry processing apparatus of the present invention, when the dehydration is set to be performed in a state in which the vibration is reduced to a certain level or less by quickly damping the vibration of the outer tank even when a certain degree of eccentricity of the cloth is caused, It is possible to omit the balancing process of rotating the inner tub in a predetermined pattern in order to reduce the vibration or to shorten the time required for the balancing process.

1 is a perspective view of a casing of a washing machine according to an embodiment of the present invention.
FIG. 2 shows a structure in which the upper and lower vibration dampers and the outer tank are connected to each other in the washing machine shown in FIG. 1.
3 is an exploded perspective view of the horizontal vibration damper shown in Fig.
4 shows the vertical moving element of the horizontal vibration damper in the longitudinal direction.
5 is an assembled view of the up-and-down moving element and the restricting member.
6 is a cross-sectional view showing a coupling structure between the limiting member and the cylinder.
7 shows a state in which the upper horizontal vibration damper is installed.
Fig. 8 shows the base shown in Fig.
FIG. 9 is a view showing the assembly of the base and the pin supporter of FIG. 8 from various angles.
10 is a partial view of a pin supporter according to another embodiment of the present invention.
Figure 11 partially illustrates a base according to another embodiment of the present invention.
12 is a view showing an assembly of a pin supporter and a base according to another embodiment of the present invention in various angles.
Fig. 13 shows a conventional washing machine.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and the manner of achieving them, will be apparent from and elucidated with reference to the embodiments described hereinafter in conjunction with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

In the following description of the present invention, a washing machine, which is a kind of laundry processing equipment, will be described by way of example, but the scope of the present invention is not limited to the range of the washing machine, the dehydrator, And may also be of the type of laundry handling equipment.

1 is a perspective view of a casing of a washing machine according to an embodiment of the present invention. Referring to FIG. 1, a washing machine according to an embodiment of the present invention may include a casing 10 (see FIG. 13) for providing a predetermined space inward. The casing 10 may include a cabinet 11 for providing a predetermined space for accommodating various configurations to the inside and a base 300a for supporting the cabinet 11. [

In the cabinet 11, an outer tank 2 for receiving washing water is suspended by a support rod 15, and an inner tank 3 is rotatably provided in the outer tank 2. [ In the inner tank 3, a pulsator 4 may be rotatably provided.

The inner tank 3 and / or the pulsator 4 is rotated by the driving unit 13, and the vibration of the outer tank 2 may be caused in the process. The outer tank 2 can be vibrated not only in the vertical direction but also in the horizontal direction and the vertical vibration damper 200 and / or the horizontal vibration damper 100 can be provided so that such vibration can be effectively damped.

A plurality of horizontal vibration dampers 100 may be provided, and a plurality of horizontal vibration dampers 100 may be arranged at the same height, or a plurality of horizontal vibration dampers 100 may be arranged at different heights. Reference numeral 100 (U) is assigned to the horizontal vibration damper 100 disposed in the upper layer in the casing 10 and reference numeral 100 (L) is assigned to the horizontal vibration damper 100 disposed in the lower layer. ) "And assign them to each other as necessary. The upper horizontal vibration damper 100 (U) and the lower horizontal vibration damper 100 (L) may have substantially the same structure. Four upper horizontal vibration dampers 100U can be arranged symmetrically with respect to the center of the outer tank 2 and four lower horizontal vibration dampers 100 L) may be arranged in a hierarchical structure symmetrically with respect to the center of the outer tub 2.

The vertical vibration damper 200 is provided at one end of the support rod 15 to connect the support rod 15 to the outer tank 2. [ That is, the outer tub 2 is connected to the support rod 15 by the up-and-down vibration damper 200 so that it hangs in the casing 10, and during the movement of the outer tub 2 along the support rod 15 during vibration, By operating the vibration damper 200, the vibration of the outer tub 2 is attenuated. Four support rods 15 may be provided corresponding to the four corners of the casing 10 and each support rod 15 may be provided with a vibration damper 200.

However, the configuration for connecting the outer tub 2 to the support rod 15 is not necessarily limited to the vertical vibration damper 200 according to the embodiment. For example, the support rod 15 may be connected to the outer tank 2 by a suspension 30 as shown in Fig. 13, and may also be connected by various known types of suspensions (or dampers) Of course.

FIG. 2 shows a structure in which the upper and lower vibration dampers 200 and the outer tub 2 are connected to each other in the washing machine shown in FIG. 1. 2, the upper and lower vibration damper 200 includes a slider 230 which is moved integrally with the outer tub 2 along the support rod 15, a support end 260 provided at an end of the support rod 15, And a lower end supported by a support end 260. The upper end is pushed by a spring 250 that resiliently engages the slider 230 and the slider 230 when the outer tub 2 vibrates, And a friction portion 240 that provides a friction force with the rod 15.

The slider 230 has a predetermined space in which the friction portion 240 is received, and the length of the space in the up-and-down direction is longer than the length of the friction portion 240 in the up-and-down direction. Therefore, when the displacement of the slider 230 becomes a certain level or more, that is, when the vertical vibration amplitude of the outer tub 2 is not lower than a certain level Movement is performed only when the slider 230 and the friction portion 240 are in contact with each other. In this structure, when the vibration width of the outer tub 2 is not more than a certain level, only the buffering action by the spring 250 and the friction damping action by the slider 230 are performed without friction by the friction portion 240 And when the vibration width of the outer tub 2 becomes equal to or higher than the predetermined level, vibration attenuation added to the frictional action by the friction portion 240 is performed. Therefore, when the vibration of the outer tub 2 is relatively small as in the normal vibration state (for example, when laundry is uniformly distributed in the inner tank 3), the slider 230 relatively smoothly moves the support rod 15 And in the case of a transient vibration state (for example, when high-speed dehydration is performed in a state where laundries are unevenly distributed in the inner tank 3), frictional force by the frictional portion 240 is applied, The vibration can be actively damped.

The slider 230 includes an outer tub supporting portion 220 for supporting the upper and lower vibration damper coupling portions 2a formed in the outer tub 2 and a friction portion accommodating portion 210 for forming a space for accommodating the friction portion 240 In this case, the outer tub supporting part 220 is resiliently biased by the spring 250 and the frictional receiving part 210 can be detachably coupled to the upper side of the outer tub supporting part 220.

The supporter support 220 may include a cap portion 221 that is resiliently biased by a spring 250 and a neck portion 222 that extends upwardly from the cap portion 221 and through which the support rod 15 passes. The upper and lower vibration damper coupling portions 2a protrude from the outer periphery of the outer tub 2 and are mounted on the cap portion 221. The upper and lower vibration damper coupling portion 2a has an upwardly opening portion through which the neck portion 222 is exposed upward but the cap portion 221 does not pass through the opening portion. The cap portion 221 and the upper and lower vibration damper coupling portion 2a are integrally displaced by the load acting from the outer tub 2.

The vertical vibration damper fastening portion 2a has a horizontally extending slit 2b extending in the longitudinal direction and a lateral opening width of the slit 2b is preferably set such that the vertical vibration damper 200 is easily assembled The upper and lower vibration dampers 200 are allowed to pass through the support rod 15 so that the upper and lower vibration dampers 200 are not separated from the upper and lower vibration damper coupling portions 2a so that the neck portion 222 can not pass therethrough .

The pivot 18 (see Fig. 13) provided at one end of the support rod 15 pivots about the pivot support portion 16, so that the outer tank 2 also moves horizontally. The horizontal vibration damper 100 acts as a resistance against the horizontal movement of the outer tank 2 and dissipates the kinetic energy of the outer tank 2.

The horizontal vibration damper 100 may include a vertical moving element and an outer tier interlocking element which are displaced with respect to each other in response to the vibration of the outer tank 2. The up-and-down moving element is provided so as to be movable along a predetermined support (a support rod 15 or a guide pin 50 (see Fig. 9)) located outside the outer tub 2, , And is integrally moved with the outer tub 2 during the vibration process and is coupled to the up-down moving element and movable with respect to the up-down moving element. At this time, The displacement is generated by the horizontal moving component of the outer tier interlocking element.

One of the up-and-down moving element and the outer-body tie interlocking element may include a friction element for providing a frictional force (in particular, a kinetic frictional force) As the outer tier interlocking element is moved, a friction force is induced by the relative movement between the friction element and the mounter. In this process, the vibration energy is converted into thermal energy due to friction, and is dispersed and the vibration is damped.

Meanwhile, the up-and-down moving element may be directly connected to the support rod 15 (or the guide pin 50), but may be connected by a separate connecting element (for example, a moving member 140 described later, , The connecting element is provided so that the up and down moving element is movable along the support rod 15 (or the guide pin 50), and the up and down moving element can be rotationally coupled with the connecting element. In particular, it is preferable that the vertical movement element is configured to be allowed to rotate in the vertical direction.

Hereinafter, the horizontal vibration damper 100 will be described in more detail with reference to the drawings.

3 is an exploded perspective view of the horizontal vibration damper 100 shown in FIG. 4 shows the vertical moving element 110 of the horizontal vibration damper 100 in the longitudinal direction. 5 is an assembled view of the up-and-down moving element 110 and the restricting member 160. Fig. 6 is a cross-sectional view showing a coupling structure between the limiting member 160 and the cylinder 122. As shown in Fig. Fig. 7 shows a state in which the upper horizontal vibration damper 100 (U) is installed.

The horizontal vibration damper 100 includes a vertical movement element 110 and an outer tether interlocking element 120. The up-and-down moving element 110 is movably connected along a predetermined support positioned outside the outer tub 2, and the outer tub interlocking element 120 is connected to the outer tub 2. Here, the support corresponds to the support rod 15 when the upper horizontal vibration damper 100 (U) is installed, and the support pin 15 when the lower horizontal vibration damper 100 (L) ).

One of the up-and-down moving element 110 and the outer-tubing interlocking element 120 may include a cylinder, and the other may include a piston inserted in the cylinder. Hereinafter, the up-and-down moving element 110 includes the piston 116 and the outer-tubing interlocking element 120 includes the cylinder 122, for example.

The horizontal vibration damper 100 may include a friction element 130 provided on one of the cylinder 122 and the piston 116 to exert frictional force with the other. The vibration energy of the outer tub 2 is dissipated as heat energy by the friction action of the friction element 130. [ Hereinafter, the friction element 130 is fixedly disposed on the piston 116, and friction with the inner circumferential surface of the cylinder 122 during the movement of the piston 116 is exemplified.

The horizontal vibration damper 100 may further include a movable member 140 slidably disposed along the support member. The movable member 110 may include a movable member 140 so as to be rotatable about a substantially horizontal axis, Lt; / RTI >

The up-and-down moving element 110 may further include a moving member connection portion 115 that is rotatably connected to the moving member 140. In this case, the piston 116 extends from the moving member connecting portion 115.

The outer tubing interlocking element 120 may include an outer tubular connecting portion 121 rotatably connected to the outer tub 2 and a cylinder 122 extending from the outer tub connecting portion 121. According to the embodiment, when the piston extends from the outer tubular connecting portion 121, the cylinder extends from the moving member connecting portion 115.

The shifting member 140 may include a shifting member body 141 formed with a through hole 141a through which the supporting rod 15 (or the guide pin 50) And is rotatably provided with respect to the movable member connection portion 115. Rotary shafts 144a and 144b may be formed on one of the moving member 140 and the moving member connecting portion 115 and shaft fasteners 111h and 112h may be formed on the other . A pair of rotary shafts 144a and 144b are projected from both sides of the shifter body 141 and a pair of shafts 144a and 144b are inserted into the shifter connecting portion 115, The spheres 111h and 112h are formed.

More specifically, the moving member connection portion 115 includes a pair of legs 111 and 112 (see FIG. 3) facing each other with the moving member 240 therebetween, a pair of legs 111 and 112), and in this case, shaft fastening holes 111h and 112h are formed in the legs 111 and 112, respectively.

The horizontal vibration damper 100 may further include a restricting member 160 that restricts displacement between the cylinder 122 and the piston 116. [ The restricting member 160 can be fixed to the cylinder 122. 6, the coupling protrusion 123 may protrude from the outer circumferential surface of the cylinder 122 and a coupling protrusion coupling hole 161h may be formed in the limiting member 160 to be coupled with the coupling protrusion 123 .

The engaging protrusion 123 may include a first inclined surface 123a whose height gradually decreases in a direction opposite to a direction in which the limiting member 160 moves during installation. A second inclined surface 163a may be formed on one end of the limiting member 160 to contact the first inclined surface 323a of the engaging projection 123. [ Since the first inclined surface 123a and the second inclined surface 163a have an inclined structure, interference is reduced and damage to the engaging protrusion 123 or the limiting member 160 due to stress concentration during assembly of the limiting member 160 Can be prevented.

On the other hand, when the engaging projection 123 is completely inserted into the engaging projection fastening hole 161h, the engaging protrusion 132b, which is formed substantially perpendicular to the outer peripheral surface of the cylinder 122 opposite to the first inclined surface 123a, And fastened around the fastening hole 161h. Therefore, separation between the limiting member 160 and the cylinder 123 can be prevented.

The restricting member 160 is configured such that when the displacement of the piston 116 relative to the cylinder 122 reaches a certain level, the piston 116 is engaged so that the one or more locking protrusions 162a, Lt; / RTI >

Referring to FIG. 4, a first transverse rib 117a and a second transverse rib 118a may be protruded from the outer circumferential surface of the piston 116 transversely to the longitudinal direction of the piston 116. As shown in FIG. The first transverse ribs 117a and the second transverse ribs 118a are spaced apart from each other by a predetermined distance so that the friction elements 130 can be seated therebetween. The friction element 130 is made of a flexible material in the form of a sheet and encloses the piston 116 and is disposed between the first transverse rib 117a and the second transverse rib 118a.

On the other hand, the transverse ribs 117a and 118a are formed in a part of the circumference on the outer circumferential surface of the piston 116. [ The reason for this is to form a longitudinal passage through which the locking projections 162a and 162b can be passed in the longitudinal direction when the limiting member 160 is fitted along the longitudinal direction of the piston 116. [ That is, when the limiting member 160 is fitted through the end of the piston 116, the locking projections 162a and 162b must in turn pass the second lateral rib 118a and the first lateral rib 117a At this time, the movement of the latching protrusions 162a and 162b is performed through the section where the lateral ribs 117a and 118a are not formed.

A plurality of first lateral ribs 117a and 117b may be formed along the circumferential direction on the outer circumferential surface of the piston 116 and between the first lateral ribs 117a and 117b, 162a, and 162b. That is, the first transverse ribs 117a and 117b do not extend in the form of a complete circle along the outer circumferential surface of the piston 116 but are formed in a limited region of a part of the circumferential circumference, There is a predetermined gap between the ribs 117a and 117b. Particularly, the first transverse ribs 117a and 117b are engaged with the engaging protrusions 162a and 162b of the limiting member 160 provided on the piston 116 to prevent the restriction member 160 from separating from the piston 116 Hereinafter, the first lateral ribs 117a and 117b will also be collectively referred to as separation preventing ribs.

A plurality of second lateral ribs 118a and 118b may be formed along the circumferential direction on the outer circumferential surface of the piston 116 and a plurality of second lateral ribs 118a and 118b may be formed between the second lateral ribs 118a and 118b. There is an interval at which the latching protrusions 162a and 162b pass. That is, the second transverse ribs 118a and 118b do not extend in one complete circle along the outer circumferential surface of the piston 116, but are formed to a limited extent in the second transverse ribs 118a and 118b, 118a, 118b.

The movement of inserting the restricting member 160 into the piston 116 will be described by the locking protrusions 162a and 162b having a gap existing between the second lateral ribs 118a and 118b and a gap existing between the first lateral ribs 118a, 118b, respectively. That is, the spacing existing between the second transverse ribs 118a, 118b is the entrance where the engaging projections 162a, 162b are inserted, and the spacing existing between the first transverse ribs 118a, And is an exit through which the insertion of the latching protrusions 162a and 162b is completed. The longitudinal passages 116h through which the locking protrusions 162a and 162b are moved in the longitudinal direction, that is, the longitudinal direction, are defined as a path where one end is the inlet and the other end is the outlet .

A plurality of longitudinal ribs 119a, 119b, 119c, and 119d may protrude along the longitudinal direction of the piston. The longitudinal ribs 119a and 119b can extend from the separation preventing ribs 117a and 117b toward the leg connecting portion 113 and in particular between the longitudinal ribs 119a and 119b and the leg connecting portion 113, (162a, 162b) can pass along the circumferential direction.

The longitudinal ribs 319a extend along the longitudinal direction or longitudinal direction of the piston 316 and extend not only in the section between the separation preventing ribs 317a and 317b and the leg connecting portion 313, 162a, 162b are provided in at least one interval so that they can be passed circumferentially.

Assembly between the limiting member 160 and the vertical moving element 110 is performed in the following order. First, the limiting member 160 is pushed along the longitudinal direction of the piston 116 so that the engagement protrusions 162a and 162b of the restriction member 160 pass through the longitudinal passage 116h, S1) of the engaging projections 162a, 162b. Thereafter, the engaging protrusions 162a and 162b are restrained to be located in the second region S2 (passing along the path P in Fig. 4) through the gap between the longitudinal ribs 119a and 119b and the leg connecting portion 113 Assembly is completed by rotating member 160 and pulling along the longitudinal direction of piston 116. The engagement protrusions 162a and 162b are located in the second region S2 so that the engagement protrusions 162a and 162b are disengaged through the longitudinal passage 116h, And the vertical moving element 110 are prevented from being separated.

On the other hand, another longitudinal rib 119b not illustrated extends from the second lateral ribs 118a, 118b toward the end of the piston 116 and extends in the same line as the longitudinal rib 319a .

Referring to FIG. 7, the outer tubular connection part 121 may be rotatably fastened to the coupling element fastening part 20 by a fastening member such as a pin, a screw, or a bolt. Hereinafter, the fastening member will be described as the outer tubular connecting pin 41, but the present invention is not limited thereto.

The coupling element fastening portion 20 is fastened to the outer tier coupling element 120 such that rotation of the outer tier coupling element 120 relative to the outer tier 2 is permitted. More specifically, the coupling element coupling portion 20 may include a coupling portion support plate 21 for supporting the outer tub connection portion 121 and a coupling member support plate 22 facing the coupling portion support plate 21. The coupling support plate 21 and the coupling member support plate 22 may be formed with fasteners 21h and 22h through which the coupling member passes.

The outer tubular connecting pin 41 passes through the fastening hole 21h of the connecting portion supporting plate 21, the fastening hole 121h of the outer tubular connecting portion 121 and the fastening hole 22h of the fastening member supporting plate 22. The fastening hole 21h of the connecting portion supporting plate 21 and the fastening hole 121h of the outer tubular connecting portion 121 and the fastening member supporting plate 22h of the fastening member supporting plate 22 may be further provided. The bushing is inserted into the elastic member 42 again and the outer tubular connecting pin 41 is inserted into the bushing. The elastic member 42 is made of a material having somewhat elastic force such as synthetic or natural rubber. It is possible to induce a smooth rotation operation of the outer treadmill interlocking element 120 with respect to the outer tub 2, reduce the occurrence of abnormal noise, and improve the assembling property.

The connecting plate 23 can be connected to one side of the connecting part support plate 21 and the other side of the connecting plate 23, And one side of the member support plate 22 is connected. Therefore, one side of the connection part support plate 21 and the fastening member support plate 22 is blocked by the connection plate 23, and the other part is formed as an opening so that the outer tether interlocking element 120 can be rotated smoothly.

At least one ribs 25a and 25b for connecting the fastening member support plate 22 and the outer tub 2 to reinforce the strength and at least one ribs 24a and 25b for connecting the connection support plate 21 and the outer tub 2, 24b and / or at least one rib 26a, 26b connecting the connecting plate 23 and the outer tub 2 may be formed.

The coupling element fastening part 20 may be formed separately from the outer tub 2 and may be coupled to or joined to each other by fastening members such as screws, bolts, nuts, or otherwise formed integrally with the outer tub 2.

In this embodiment, the connection element fastening portions 20 are formed in four places on the upper part of the outer tub 2 and the lower horizontal vibration dampers 100 (L) Four locations were formed in the lower part of the outer tank 2 to install the two tanks. 1, a connecting element connecting portion 20 for fastening the upper horizontal vibration damper 100 (U) and a connecting element fastening portion 20 for fastening the lower horizontal vibration damper 100 (L) ) And 20 (L), respectively.

The horizontal vibration damper 100 described above includes an upper horizontal vibration damper 100 (U) for attenuating the horizontal vibration at the upper portion of the outer tank 2 and a lower horizontal vibration damper In the case of the upper horizontal vibration damper 100 (U), the moving member 140 is movable along the support rod 15, and the lower horizontal vibration damper 100 (L) The moving member 140 can be moved along the guide pin 50 only when the moving member 140 and the up and down moving element 110 are in contact with each other, 120, the friction element 130 and the limiting member 160 are substantially the same. Therefore, the joining structure between the respective members will be described above, and the mounting structure of the lower horizontal vibration damper 100 (L) will be described in more detail below.

Fig. 8 shows the base 300a shown in Fig. FIG. 9 is a view showing the assembly of the base 300a and the pin supporter 400a of FIG. 8 from various angles. Referring to FIGS. 8 to 9, the base 300a may include a boss portion 320 forming a hollow 321h and extending upward toward the inside of the cabinet 11. FIG.

More specifically, the base 300a may include a horizontal base pan 310, the boss 320 extending upward from the base pan 310, and the hollow 321h extending from the base pan 310 Vertically.

The boss portion 320 may include an inner tube portion 321 forming a hollow 321h and an outer tube portion 322 concentric with the inner tube portion 321 and formed outside the inner tube portion 321 . For rigid reinforcement, a plurality of radial ribs 323 formed radially may be further formed connecting between the inner tube portion 321 and the outer tube portion 322.

And a support leg 540 for supporting the washing machine may be installed in the boss unit 320. The support leg 540 may include a support member 541 penetrating the base 300a and a height adjustment member 542 screwed to the support member 541. The supporting member 541 may include a pedestal 541a placed on the floor where the washing machine is mounted and a supporting shaft 541b extending from the pedestal 541a (see FIG. 12 (b)).

The pedestal 541a of the support member 541 is placed on the floor where the washing machine is mounted from below the base 300a and the support shaft 541b passes through the base pan 310 and the hollow 321h.

The support member 541 may be composed of a bolt. In this case, the support shaft 541b corresponds to an axis of the bolt threaded along the outer circumferential surface.

The height adjustment member 542 may be formed with a thread that engages with the thread formed on the support shaft 541b along the inner circumferential surface of the hole through which the support member 541 is passed. In this case, the support shaft 541b and the height adjusting member 542 form a male screw and a female screw structure that are mutually coupled by a rotating operation.

The support member 541 can be engaged with the base 300a. After releasing the binding between the support member 541 and the base 300a, the height adjusting member 542 is rotated using a tool such as a spanner or a wrench to adjust the position of the height adjusting member 542 along the support member 541 The height of the base 320a can be adjusted by binding the support member 541 to the base 320a again while the height adjusting member 542 is in contact with the bottom surface of the base 300a. According to the embodiment, a thread that engages with the thread formed on the support shaft 541b of the support member 541 along the inner circumferential surface of the hollow 321h may be formed.

The pin supporter 400a is disposed on the base 300a and can support the guide pin 50. [ The pin supporter 400a is formed as a separate component from the base 300a, and at least a part of the pin supporter 400a can be supported by the boss 320. [

The pin supporter 400a includes a side wall portion 410 extending in the vertical direction, pin mounts 421 and 422 formed on the side wall portion 410 and provided with the guide pin 50, And a supported portion 430 supported by the support portion 320. The pin supporter 400a is preferably made of a single piece in which the side wall portion 410, the pin mounts 421 and 422, and the supported portion 430 are integrally formed, and the material thereof is synthetic resin.

The pin supporter 400a may include a pair of pin mounts 421 and 422 spaced apart from each other. The movement of the up-and-down moving element 110 is limited between the pair of pin mounts 421 and 422. The pair of pin mounts 421 and 422 are hereinafter referred to as a first pin mount 421 and a second pin mount 422. The first pin mount 421 and the second pin mount 422 may be formed with pin fittings 427 (see FIG. 10) into which the guide pins 50 are inserted, respectively. The guide pin 50 may be fixed in a state in which the guide pin 50 is held in a state depending on the dimension of the pin mounting hole 427, but a separate member may be further used for more firm fixing. For example, a sealer, a bushing, an O-ring, or the like for binding the gap between the pin mounting hole 427 and the guide pin 50 may be fastened. Alternatively, in the case of the metal guide pin 50, both ends of the pin can be pressed to form a rivet. The rivet is hooked around the pin insertion port, so that the guide pin 50 can be prevented from being detached from the pin mounts 421 and 422.

A supporting rib 426 protruding from the inner side surface of the side wall part 410 and connected to the bottom surface or the top surface of the pin mounts 421 and 422 may be formed.

The side wall portion 410 has an outer side surface opposite to the inner side surface of the cabinet 11 and an inner side surface opposite thereto and the pin mounts 421 and 422 can protrude laterally from the inner side surface.

The pin supporters 400a may be disposed at four corners of the base 300a. In this case, the side wall portions 410 may be configured to correspond to the corners of the base 300a. The side wall portion 410 includes a first side surface 411 and a second side surface 413 orthogonal to the first side surface 411 and a second side surface 413 between the first side surface 411 and the second side surface 412 As shown in FIG. The inside of the corner of the cabinet 11 is supported by the side wall portion 410 having such a configuration, so that the rigidity of the cabinet 11 can be reinforced.

A fastening hole 410h may be formed at the lower end of the side wall part 410. A fastening member such as a screw, a bolt, or a pin can be coupled with the base 300a through the fastening hole 410h. The base 300a may have a fastening surface 312 facing the inner surface of the side wall 410 along the circumference of the base pan 310 and may be formed of a fastening member Etc.) can be fastened to the fastening surface (312). In the embodiment, a plurality of fasteners 410h are formed at the lower end of the first side 411 and the lower end of the second side 412, but it is also possible to form the fastener 410h at the connection surface 413.

The lower end of the supported portion 430 may be in contact with the upper end of the outer tube portion 321. Preferably, the supported portion 430 is formed in a tubular shape corresponding to the outer tube portion 321. The supported portion 430 may be formed to cooperate with the inner surface of the side wall portion 410 but may be spaced apart from the side wall portion 410 and extend downward from the first pin mount 421, have. At this time, the first pin mount 421 may be connected to the first side surface 411, the connection surface 413, and the second side surface 412.

A reinforcing rib 425 protruding toward the inside of the cabinet 11 from the side wall part 410 may be further formed. The reinforcing ribs 425 extend vertically along the inner surface of the side wall portion 410 and the lower end portion supports the side wall portion 410 by being positioned on the base 300a.

FIG. 10 is a partial view of a pin supporter 400b according to another embodiment of the present invention. Referring to FIG. 10, the pin supporter 400b differs in the configuration of the pin supporter 400a and the supported portion 430 'according to the above-described embodiment, and the other configurations are the same.

The pin supporter 400b may be formed with a groove 430s cut along the longitudinal direction of the pipe from the lower end of the tubular supported portion 430 '. The grooves 430s are formed along the periphery of the supported portion 430 'so that the lower end of the supported portion 430' is formed with a plurality of tabs 430a separated by the grooves 430s. These tabs 430a are inserted between the inner tube portion 321 and the outer tube portion 322 of the boss portion 320 and the radial ribs 232 are inserted into the grooves 430s. This structure allows the boss portion 320 and the supported portion 430 'to be more firmly coupled.

Figure 11 partially illustrates a base 300b in accordance with another embodiment of the present invention. The base 300b is formed as a single piece that further includes a side wall portion 330. [ The side wall portion 330 extends upward from the base pan 310.

The first pin mount 341 and the second pin mount 342 are formed as separate parts from the side wall part 320 and are coupled to the side wall part 330. Since the side wall part 330 extends upward from the base pan 310, the base 300b can be taken out from the mold in the downward direction in the case of the injection molded product, but the pin mounts 341 and 342 The pin mounts 341 and 342 may be formed separately from the base 300b and then fused to the side wall 330 or may be bonded to each other using a fastening member such as a screw or a screw It is preferable to bond them.

The base 300b may further include a support rib 335 projecting from the side wall portion 330. [ The support rib 335 may be formed at a position in contact with the lower surface of the first pin mount 341 and / or a position in contact with the upper surface of the second pin mount 342.

12 is a view showing an assembly of the pin supporter 400c and the base 300c according to another embodiment of the present invention at various angles. 12, the pin supporter 400c includes structures of the supporters 400a and 400b according to the above-described embodiment, except that the pin supporter 400c further includes a coupling portion 450 to be coupled with the support member 541 .

The engaging portion 450 protrudes from the outer surface of the side wall portion 410 and is formed with a fastener for fastening with a support member 541 installed through the base 300c. The engaging portion 450 may be screwed to the support member 541 and a thread may be formed along the inner circumferential surface of the fastener to engage with the thread of the support shaft 541b.

The connection surface 413 connecting the first side surface 411 and the second side surface 412 of the side wall portion 410 forms a curved surface curved along the edge of the base 300c. The engaging portion 450 preferably protrudes from the connecting surface 412 and is engaged with a supporting shaft 541b passing through the edge area of the base 300c.

The base 300c is moved to the outside of the side wall portion 410 by the portion supported by the support leg 540, as compared with that shown in Fig. That is, vibration damping action is performed by the lower horizontal vibration damper 100 (L) from the inside of the side wall part 410, and the base 300c is supported by the support leg 540 at the outside of the side wall part 410 . The portion supported by the support leg 540 is positioned closer to the edge of the base 300c so that the base 300c can be structurally and more stably supported as well as the vibration at the edge of the base 300c Can be reduced.

An unillustrated reference numeral 62 denotes a reinforcing plate coupled to the bottom surface of the base pan 310, and is preferably made of a metallic material.

Claims (17)

cabinet;
An outer tub hanging in the cabinet;
A base supporting the cabinet and having a tubular boss portion having an upwardly extending hollow;
A support leg supporting the base and having a support shaft inserted into the hollow of the boss portion;
A guide pin extending in the vertical direction;
A pin supporter supported at least partially by the boss portion and supporting the guide pin;
A vertically moving element provided movably along the guide pin;
An outer tub interlocking element interlocked with the outer tub and being coupled to the up-and-down moving element, the outer tub interlocking element being movable relative to the up-and-down moving element; And
And a friction element provided at any one of the up-and-down moving element and the outer-loop associated element to provide a dynamic friction force with the other as the outer-loop associated element is moved,
The pin supporter includes:
A side wall coupled to the base and extending upward relative to the base;
A pin mount projecting laterally from the side wall portion and engaged with the guide pin; And
And a supported portion which is formed in a tubular shape corresponding to the boss portion and extends downward from the pin mount and whose lower end portion is supported by the upper end portion of the boss portion. delete delete The method according to claim 1,
The pin mount
A pair of upper and lower guide pins are coupled to the upper and lower ends of the guide pin,
The supported portion includes:
And extends from a lower side of the pair of pin mounts. 5. The method of claim 4,
Wherein the up /
And is moved between the pair of pin mounts. The method according to claim 1,
The side wall portion is formed with a fastening hole,
Wherein the fastening member passes through the fastening hole and is fastened to the base. The method according to claim 6,
Wherein the base includes a fastening surface opposed to the side wall portion,
And the fastening member is fastened to the fastening surface. cabinet;
An outer tub hanging in the cabinet;
A base supporting the cabinet and having a tubular boss portion having an upwardly extending hollow;
A support leg supporting the base and having a support shaft inserted into the hollow of the boss portion;
A guide pin extending in the vertical direction;
A pin supporter supported at least partially by the boss portion and supporting the guide pin;
A vertically moving element provided movably along the guide pin;
An outer tub interlocking element interlocked with the outer tub and being coupled to the up-and-down moving element, the outer tub interlocking element being movable relative to the up-and-down moving element; And
And a friction element provided at any one of the up-and-down moving element and the outer-loop associated element to provide a dynamic friction force with the other as the outer-loop associated element is moved,
The pin supporter includes:
A side wall coupled to the base and extending upward relative to the base;
A pin mount projecting laterally from the side wall portion and engaged with the guide pin; And
And a supported portion formed in a tubular shape corresponding to the boss portion and extending downward from the pin mount and having a lower end portion inserted into the hollow of the boss portion. 9. The method of claim 8,
The boss portion
An inner tube portion having the hollow formed therein; And
And an outer tubular portion formed to surround the inner tubular portion,
The lower end of the supported portion
And inserted between the inner tubular portion and the outer tubular portion. 10. The method of claim 9,
The supported portion includes:
Grooves spaced along the circumferential direction of the tube extend in the longitudinal direction of the tube so that the lower end is divided into a plurality of taps,
The boss portion
A plurality of radial ribs connecting the inner tube portion and the outer tube portion are formed,
Wherein the tab is inserted between the radial ribs. delete delete delete delete delete delete delete

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