JP2017055947A - Washing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent laundries from being forgotten to be taken out, by improving operability of inputting and taking out of laundries.SOLUTION: A wire mounting part 43 provided by extending a rear part of a lid 26 and a suspension constitution member 33c on the rear surface side of a suspension frame body 33 are connected by a wire 44 via a pulley 42, and when the lid 26 is opened, the wire 44 lifts the suspension frame body 33. Thereby, a water tub unit 1 inclines frontward with a rotation axis center 38 being the rotation center, and when the lid 26 is closed, the wire 44 is slackened and the water tub unit 1 stands upright. With this constitution, operability of inputting/taking out of laundries to/from a washing and dewatering tub 10 is improved, and above all, it can be prevented that laundries on a front side at an inner bottom part of the washing and dewatering tub 10, especially, small articles such as a handkerchief, socks and the like are forgotten to be taken out.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a washing machine that performs automatic control of washing, rinsing, and dewatering processes.

  Conventionally, this type of washing machine includes a washing / dehydrating tub rotatably in a water tub supported by vibration proofing in the main body, and a stirring blade for stirring the laundry is rotatably provided on the inner bottom thereof. A configuration has been proposed in which laundry is taken in and out of the washing and dewatering tub from above the main body (see, for example, Patent Document 1).

  FIG. 7 is a longitudinal sectional view in the front-rear direction of the conventional washing machine described in Patent Document 1.

  In FIG. 7, a water tank 61 is supported in a main body 65 by a suspension 64 from a corner, and a washing and dewatering tank 63 is rotatably included in the water tank 61. The stirring blade 62 is rotatably arranged. Further, an openable / closable lid 85 is disposed on the upper portion of the main body 65.

  A plurality of circulation water channel covers 66 are attached to the inner side wall portion of the washing and dewatering tub 63, and a plurality of independent circulation water channels 67 a and 67 b are formed between the washing and dewatering tub 63.

  Further, a blade 68 is integrally provided on the back surface of the stirring blade 62, and a pump chamber 69 formed on the outer periphery of the blade 68 is communicated with the circulation water channels 67a and 67b. And the opening part 70 opened toward the inside of the washing and dewatering tub 63 is formed in the upper part of the circulating water channels 67a and 67b, and the water spray nozzle 71 is provided in the opening part 70 in the upper part of the circulating water channel 67b. On the other hand, the washing liquid is sprinkled from above. Further, a bag-like lint filter 72 is provided in the opening 70 at the top of the circulating water channel 67a to collect the lint generated.

  The motor 73 rotationally drives the washing / dehydrating tub 63 or the stirring blade 62 via the V belt 74 and the speed reduction mechanism 75. The water level sensor 76 is connected to the lower part of the water receiving tank 61 to detect the water level in the washing and dewatering tank 63 and inputs the output to a control device 77 having control means (not shown). .

  The control means sequentially controls the motor 73, the water supply valve 82, the drainage valve 84, and the like in accordance with the washing, rinsing, and dehydration steps selected by the user's input from the operation display unit 79.

  In the above configuration, when washing, the user opens the lid 85, puts the laundry 83 and the detergent into the washing and dehydrating tub 63, and selects and inputs the operation course on the operation display unit 79. Then, the lid 85 is closed and the operation is started. When started, the water supply valve 82 operates to enter water, and when the water level reaches a predetermined level, washing starts, and the rinsing and dehydration steps proceed in sequence. When the operation ends, the user opens the lid 85 again and takes out the dehydrated laundry 83.

Japanese Patent Laid-Open No. 7-31785

  However, in the conventional configuration, when the user stands in front of the washing machine when the dehydration process is finished and the laundry is taken out from the washing and dehydrating tub, the laundry on the near side of the bottom of the washing and dehydrating tub, In particular, there was a problem that small items such as handkerchiefs and socks could not be seen and forgot to take out.

  The present invention solves the above-mentioned conventional problems, and by configuring the vibration water tank unit to be tiltable, it improves the operability of loading and unloading the laundry to and from the washing and dewatering tank, and An object of the present invention is to provide a washing machine that can prevent forgetting to take out.

  In order to solve the above-described conventional problems, the washing machine of the present invention includes a housing, a washing and dewatering tub in which a pulsator is rotatably disposed at the center bottom, a water tub that rotatably includes the washing and dewatering tub, A motor that rotationally drives the pulsator and the washing / dehydrating tub, a bearing member that is provided at the upper part of the left and right side surfaces of the housing and has a bearing portion in a substantially central portion, and is constituted by a substantially rectangular shape with four suspension components. A suspension frame that is pivotally supported by the bearing portion so as to be able to rotate back and forth around the axis of rotation, a receiving member having a spherical portion provided at a corner of the suspension frame, and a suspension member that is suspended from the spherical portion A vibrating water tank unit consisting of the washing and dewatering tank, water tank, motor, etc., elastically supported by a stick, an upper frame disposed on the upper part of the casing, and a substantially central part of the upper frame. Laundry dispenser provided on the upper frame And a wire attachment portion formed by extending a rear portion of the lid and a suspension component member on the rear surface side of the suspension frame body via a pulley. When the lid is opened, the wire lifts the suspension frame, so that the water tank unit is tilted forward with the rotation axis as the rotation center, and when the lid is closed, the wire is loosened, The aquarium unit stands upright.

  This improves the operability of loading and unloading laundry into and out of the washing / dehydrating tub, especially forgetting to take out laundry on the near side of the bottom of the washing / dehydrating tub, especially handkerchiefs and socks. Can be prevented.

  By configuring the vibration water tank unit to be tiltable, it is possible to improve the operability of loading and unloading the laundry to and from the washing and dewatering tank and to prevent the laundry from being forgotten.

The longitudinal cross-sectional view of the front-back direction of the washing machine in embodiment of this invention Cross-sectional view of the main part in the vicinity of the water tank support part of the hanging rod of the washing machine Exploded perspective view around the hanging frame of the washing machine Cross section of the main part around the hanging frame of the washing machine Longitudinal sectional view when the water tank unit of the washing machine is inclined Longitudinal sectional view when the user looks inside the washing and dewatering tank with the water tank unit of the washing machine tilted A longitudinal sectional view of a conventional washing machine in the front-rear direction

The first invention is a housing, a washing / dehydrating tub in which a pulsator is rotatably arranged at the center bottom, a water tub that rotatably contains the washing / dehydrating tub, and the pulsator and the washing / dehydrating tub being rotated. Motor, a bearing member provided at the upper part of the left and right side surfaces of the housing and having a bearing portion at a substantially central portion, and four suspension constituent members, and is configured in a substantially quadrangular shape. A suspension frame that is rotatably supported by the shaft, a receiving member having a spherical surface provided at a corner of the suspension frame, and the washing and unloading elastically supported by a suspension rod from the spherical surface. A vibrating water tank unit comprising a water tank, a water tank, a motor, etc., an upper frame disposed on the upper part of the housing, and a laundry formed on the upper frame disposed in a substantially central part of the upper frame. A lid that can be opened and closed freely Connecting the wire mounting portion formed by extending the rear portion of the lid and the suspension component on the rear surface side of the suspension frame with a wire via a pulley, and when the lid is opened, the wire is By lifting the suspension frame, the water tank unit is inclined forward with the rotation axis as the rotation center, and when the lid is closed, the wire tank is loosened so that the water tank unit stands upright. Improves the operability of loading and unloading laundry into the dehydration tub, and especially prevents forgetting to take out the laundry on the near side of the inner bottom of the washing and dehydration tub, especially handkerchiefs and socks. it can.

  According to the second aspect of the invention, in particular, the aquarium unit of the first aspect of the invention is configured so that the center of gravity is located on the vertical line of the rotation axis, so that the aquarium unit changes from an inclined state to an upright state by opening and closing the lid Easy to do.

  According to a third aspect of the present invention, in particular, the suspension frame of the first or second aspect of the present invention has a structure in which a receiving part that abuts the upper surface of the housing is formed on the rear suspension member so that the aquarium unit is Inclination to the rear side and instability can be prevented.

  According to a fourth aspect of the invention, in particular, the pulley according to any one of the first to third aspects includes an overload releasing unit that idles when a load greater than a predetermined load is applied, so that the aquarium unit moves forward. In the case of inclining, even if there is water or heavy laundry in the washing / dehydrating tub 10 in the water tank, the water tank unit is not lifted, so that damage to the lid, the wire, etc. can be prevented.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
Hereinafter, a washing machine according to an embodiment of the present invention will be described with reference to FIGS. 1 to 6.

  FIG. 1 is a longitudinal sectional view in the front-rear direction of a washing machine according to an embodiment of the present invention.

  In FIG. 1, a water tank 4 supported by a hanging rod 2 from a corner is provided in a housing 3 and a washing / dehydrating tank 10 is rotatably included in the water tank 4.

  In addition, a pulsator 11 having a lower blade 12 integrally provided on the back surface is rotatably provided at the inner bottom of the washing and dewatering tub 10, and a fluid balancer 24 for reducing vibration is provided at the upper portion. It has been.

  A plurality of drain holes 10 a are provided on the side surface of the washing and dewatering tub 10. The drain hole 10a moves the water contained in the laundry 23 to the aquarium 4 by centrifugal force during dehydration.

  A motor 13 is provided on the outer bottom of the water tank 4, and the motor 13 rotates the pulsator 11 or the washing / dehydrating tank 10 via the speed reduction mechanism 14 and the rotating shaft 15.

  The water tank 4 suspended in the housing 3 by the suspension rod 2, the washing and dewatering tank 10, the motor 13 and the like constitute the vibration water tank unit 1.

The lint water channel 16 is provided on the inner peripheral side wall of the washing / dehydrating tub 10 so as to reach the upper part or the middle of the washing / dehydrating tub 10 from the pump chamber 17 on the outer periphery of the lower blade 12 of the pulsator 11. A lint filter 18 for collecting lint is detachably provided at an upper portion or a middle portion of the lint water channel 16.

  The drainage unit 19 includes a drainage valve 20 and a drainage hose 21, and drains washing water and rinsing water in the water tank 4. At this time, the drain hose 21 is connected to the housing 3. The drain hose 21 is formed of a flexible bellows-structured hose, an expansion / contraction hose, or the like in order to cope with the swinging of the water tank unit 1 during dehydration.

  An upper frame 25 is disposed on the upper portion of the housing 3, and a lid 26 that opens and closes with a lid shaft 45 as an axis is provided at a substantially central portion of the upper frame 25. By opening and closing the lid 26, the laundry can be taken in and out through the insertion port 31.

  The lid opening / closing detection unit 36 is disposed in the vicinity of the lid 26 in a state in which the lid 26 is closed, and detects an opening / closing operation of the lid 26.

  Further, a water supply valve 22 for supplying water into the water tank 4 is provided at the rear part of the upper frame 25. The water supply valve 22 is based on the water level detected by the water level detection unit 30 provided in the water tank 4. Supply a certain amount of water.

  Further, a control unit 27 having a control unit (not shown) is provided at the rear part of the upper frame 25, and the control unit is an input setting unit (not shown) of an operation display unit (not shown). Based on the set operation course, the motor 13, the drain valve 20, the water supply valve 22 and the like are controlled to control each step of washing, rinsing and dehydration.

  Bearing members 32 are provided on both the left and right sides of the upper portion of the housing 3, and a suspension frame 33 is formed on the bearing member 32, and the hanging structure is four members fixed to the four sides of the upper portion of the housing 3. Of the member 33a, the suspension component member 33b, the suspension component member 33c, and the suspension component member 33d, the suspension component member 33b and the suspension component member 33d that are positioned on the left and right sides of the housing 3 are pivotally supported by the rotary shaft 38. ing.

  And the receiving member 34 which has the spherical surface part 34a (refer FIG. 2) is provided in the four corner upper part 3a of the suspension frame 33 comprised by four members at substantially square shape, and the above-mentioned water tank unit 1 is provided in the receiving member 34. FIG. A suspension rod 2 that supports the vibration isolation by lifting the lower portion 4a is supported in a suspended manner. The configuration of the suspension frame 33 will be described in detail with reference to FIG.

  The rear portion of the lid 26 is extended to form a wire attachment portion 43. A wire 44 is connected to the wire attachment portion 43, and the wire 44 is provided on the inner surface of the rear portion of the upper frame 25. The suspension frame 33 is connected to the suspension frame 33 via a pulley 42 having a load releasing means (not shown). The overload release means is a mechanism that prevents the pulley 42 from idling when a load larger than a predetermined load is applied, so that no further load is applied.

  And the water tank unit 1 inclines so that the front side may fall in the housing | casing 3 centering | focusing on the rotating shaft 38 by the opening operation | movement of the lid | cover 26, and the operation | movement is explained in full detail in FIG. 5, FIG.

  In addition, as described above, the water tank unit 1 is formed of a flexible bellows-structured hose or a telescopic hose so as not to cause a problem such as a hole being formed in the drainage hose 21 even if the water tank unit 1 is repeatedly inclined and upright. ing.

  FIG. 2 is a cross-sectional view of the main part in the vicinity of the water tank support portion of the hanging rod of the washing machine in the embodiment of the present invention, FIG. 3 is an exploded perspective view around the suspension frame of the washing machine, and FIG. It is principal part sectional drawing of the suspension frame body periphery of a washing machine.

  In FIG. 2, a water tank support member 7 that is in spherical contact with the lower part 4 a of the water tank 4 of the water tank unit 1 is provided at the lower part of the suspension rod 2. In other words, the aquarium unit 1 is supported by the spherical portion 34 a at the upper corner 3 a and supported by the spherical surface 34 a at the lower portion 4 a, so that the aquarium unit 1 can swing freely within the housing 3. I have to.

  The aquarium support member 7 is connected to the suspension rod 2 via an amplitude damping spring 8 and a damper 9 provided in the inside thereof. With this configuration, the aquarium unit 1 is vibrated especially during the dehydration operation. Control and suppress.

  In FIGS. 3 and 4, bearing members 32 having a substantially U-shaped cross section having bearing portions 32 a that house the bearings 35 a are attached to the left and right sides of the upper portion of the housing 3 by screws 37. The upper end portion of the bearing member 32 is placed on the upper portion of the housing 3, and the lower end portion is in contact with the inner wall of the housing 3, thereby receiving a load from above.

  In addition, the suspension members 33a, 33b, 33c, and 33d on the front, rear, left, and right are connected in a substantially rectangular shape, and the suspension frame 33 integrated with the suspension member 33 has a spherical surface portion 34a that supports the suspension rod 2. Are attached to the upper corners with screws 37.

  A bearing portion 32a into which a bearing 35a is inserted is provided at the center portion of the bearing member 32, and the suspension frame 33 is suspended from the left and right sides of the suspension frame body 33 having a substantially U-shaped cross section. Lowering components 33b and 33d are provided, bearings 35b are provided in the component member bearings 33e formed on the suspension members 33b and 33d, and the bearing members 32 are mounted on the left and right sides of the upper portion by the rotating shaft core 38. The shaft is rotatably supported and is locked by a retaining ring 39.

  Further, the suspension component 33c at the rear part of the suspension frame 33 is formed with a receiving portion 33f that abuts the upper end of the housing 3 so that the load received by the water tank unit 1 when it is horizontal is received by the housing 3 as a whole. The load on the 32 bearing portions 32a is reduced.

  In this state, the center of gravity G when the water tank unit 1 is suspended and the rotation axis 38 of the suspension frame 33 are set on the same vertical line L.

  About the washing machine comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  FIG. 5 is a vertical cross-sectional view when the water tank unit of the washing machine is inclined according to the embodiment of the present invention, and FIG. 6 is a view of the inside of the washing and dewatering tank when the water tank unit of the washing machine is inclined. FIG.

  5 and 6, when the user selects a desired driving course and performs washing, when the lid 26 is opened, the wire attachment portion 43 that extends to the rear portion of the lid 26 with the lid shaft 45 as the rotation shaft is downward. And rotate. As a result, the wire 44 connected to the wire attachment portion 43 is pulled, and the rear portion of the suspension frame 33 connected to the wire 44 is connected to the bearing member via the pulley 42 having an overload release means (not shown). The rotary shaft core 38 is pulled upward.

  Furthermore, the aquarium unit 1 suspended from the suspension frame 33 is interlocked and the rear side is pulled up, and the aquarium unit 1 is inclined forward about the rotation axis 38. Thereby, even if a user does not look into the washing / dehydrating tub 10, the entire bottom can be seen, so that the laundry 23 can be easily put in.

When the aquarium unit 1 is inclined forward, the pulley 42 is provided with an overload release means. Therefore, if there is water or heavy laundry 23 in the aquarium 4, the pulley 26 can be opened even if the lid 26 is opened. Since 42 is idle and does not lift the water tank unit 1, it is configured to prevent an overload to the rotation mechanism such as the lid 26 and the wire 44.

  After the laundry 23 is put into the washing / dehydrating tub 10, when the lid 26 is closed, the wire attachment portion 43 extending to the rear portion of the lid 26 with the lid shaft 45 as the rotation axis rotates upward, and the pulley 42 is moved. As a result, the wire 44 is loosened. Thereby, the suspension frame 33 connected to the wire 44 rotates around the rotation axis 38 of the bearing member 32, and the water tank unit 1 becomes upright. At this time, as described above, since the center of gravity G of the water tank unit 1 and the rotation axis 38 of the suspension frame 33 are provided on the same vertical line, the water tank unit 1 becomes upright by its own weight.

  Next, when the washing machine is turned on and a start button (not shown) is pressed, the control unit 27 detects the amount of the laundry 23 by rotating the pulsator 11 forward and backward for a predetermined time by the motor 13. And according to the detected quantity of the laundry 23, the amount of detergent required for an operation display part (not shown) is displayed.

  The user opens the lid 26 (at this time, the water tank unit 1 is tilted), puts a predetermined amount of detergent directly into the washing / dehydrating tank 10 and closes the lid 26 again (at this time). The water tank unit 1 stands upright). Thereby, the opening and closing of the lid 26 is locked by a lid locking mechanism (not shown).

  Thereafter, the control unit 27 supplies a predetermined amount of water from the water supply valve 22 into the washing and dewatering tub 10 until the water level detection unit 30 detects the water, and when the predetermined amount of water is finished, drives the motor 13. The washing process begins. When the washing process for a predetermined time is completed, the process proceeds to a rinsing process and a dehydrating process.

  Here, during operation, the water tank unit 1 is in an upright state, and the lid 26 is not opened by a lid lock (not shown). At this time, when the user stops the operation by pressing a pause button (not shown) of the operation display unit (not shown) during the operation, the lid lock is released and the lid 26 is released. As a result, the user can open the lid 26.

  However, since the aquarium unit 1 is heavy because it is in operation, even if the user opens the lid 26, the overload release means built in the pulley 42 operates, and the overload is detected and the pulley 42 is idled and overloaded. Is configured to prevent the water tank unit 1 from being inclined.

  When the dehydration process is completed and the operation is completed, the control unit 27 releases the lid lock (not shown), releases the lid 26, and turns off the power.

  Next, in order to take out the laundry 23, when the user opens the lid 26, the wire attachment portion 43 extending to the rear portion of the lid 26 with the lid shaft 45 as the rotation shaft rotates downward.

  As a result, the wire 44 connected to the wire attachment portion 43 is pulled, and the rear portion of the suspension frame 33 connected to the wire 44 is pulled upward about the rotation axis 38 of the bearing member 32 via the pulley 42. It is burned. Further, the aquarium unit 1 suspended from the suspension frame 33 is interlocked and the rear is pulled up, and the aquarium unit 1 is inclined forward. At this time, as shown in FIG. 6, the distance from the front upper part of the washing and dewatering tub 10 to the bottom part back 29 becomes L2, and approaches the user.

Thereby, the user can see all the insides of the washing and dewatering tank 10 only by standing at a predetermined position of the washing machine. Then, when the laundry 23 is taken out from the top of the washing / dehydrating tank 10 in order, not only the bottom 29 portion of the bottom of the washing / dehydrating tank 10 but also the front 28 portion of the bottom,
Since it can be seen without looking into the washing and dewatering tank 10, it is possible to forget to take out small clothes such as handkerchiefs and socks.

  In the present embodiment, as shown in FIG. 6, the predetermined position is a position where the user's line of sight is about 5 cm away from the front surface of the casing 3 of the washing machine and is upward from the floor surface. A case where the position is about 150 to 155 cm is assumed.

  Next, after the laundry 23 is taken out, when the user closes the lid 26, the wire attachment portion 43 at the rear portion of the lid 26 rotates upward with the lid shaft 45 as the rotation axis, and the wire 44 is connected via the pulley 42. Relaxes. Thereby, the suspension frame 33 connected to the wire 44 rotates around the rotation axis 38 of the bearing member 32, and the water tank unit 1 becomes upright.

  As described above, in the present embodiment, the wire attachment portion 43 formed by extending the rear portion of the lid 26 and the suspension member 33c on the rear surface side of the suspension frame 33 are connected to each other via the pulley 42. 44, when the lid 26 is opened, the wire 44 lifts the suspension frame 33, so that the aquarium unit 1 is tilted forward about the rotation axis 38 and the wire 44 is loosened when the lid 26 is closed. By adopting a configuration in which the water tub unit 1 stands upright, the operability of loading and unloading the laundry to and from the washing and dehydrating tub 10 is improved. In particular, the laundry on the near side of the bottom of the washing and dehydrating tub 10, , Forgetting to take out small items such as handkerchiefs and socks.

  Further, the aquarium unit 1 is configured such that its center of gravity is located on the vertical line of the rotation axis 38, so that the aquarium unit 1 can be easily changed from an inclined state to an upright state by opening and closing the lid 26.

  In addition, the suspension frame 33 has a structure in which a receiving portion 33f that contacts the upper surface of the housing 3 is formed on the rear suspension member 33c, so that the aquarium unit 1 is inclined to the rear side and becomes unstable. Can be prevented.

  Further, the pulley 42 includes an overload release unit that idles when a load larger than a predetermined load is applied, so that if the aquarium unit 1 tilts forward, water or washing / removal in the aquarium 4 should be avoided. Even if there is heavy laundry in the aquarium 10, the aquarium unit 1 is not lifted, so that damage to the lid, wires, etc. can be prevented.

  As described above, the washing machine according to the present invention can improve the operability of loading and unloading the laundry and prevent forgetting to take out the laundry. Applicable to usage.

DESCRIPTION OF SYMBOLS 1 Water tank unit 2 Suspension rod 3 Housing 4 Water tank 10 Washing and dewatering tank 11 Pulsator 13 Motor 23 Laundry 25 Upper frame body 26 Lid 27 Control part 31 Input port 32 Bearing member 32a Bearing part 33 Suspension frame body 33a Hanging component 33b Suspended component member 33c Suspended component member 33d Suspended component member 33f Receiving portion 34 Receiving member 34a Spherical surface portion 38 Rotating shaft core 42 Pulley 43 Wire mounting portion 44 Wire

Claims (4)

A housing, a washing and dewatering tub in which a pulsator is rotatably disposed at the center bottom, a water tub that rotatably includes the washing and dewatering tub, a motor that rotationally drives the pulsator and the washing and dewatering tub, and the housing The bearing member is provided in the upper part of the left and right side surfaces and has a bearing portion in the substantially central portion, and four suspension components, and is configured in a substantially rectangular shape. A suspended frame, a receiving member having a spherical surface provided at a corner of the suspended frame, the washing and dewatering tub, a water tub, a motor, etc. elastically supported by a suspension rod from the spherical surface A vibration water tank unit comprising: an upper frame disposed on an upper portion of the housing; and a laundry inlet / outlet formed in the upper frame disposed in a substantially central portion of the upper frame A lid that covers the lid in an openable and closable manner. A wire mounting portion formed by extending a portion and a suspension component on the rear surface side of the suspension frame body are connected by a wire via a pulley, and when the lid is opened, the wire moves the suspension frame body. A washing machine in which the aquarium unit tilts forward with the rotation axis as the center of rotation when lifted, and the aquarium unit stands upright by loosening the wire when the lid is closed. The washing machine according to claim 1, wherein the aquarium unit has a center of gravity located on a vertical line of the rotation axis. The washing machine according to claim 1 or 2, wherein the hanging frame is formed with a receiving portion that comes into contact with the upper surface of the housing on the rear suspension member. The washing machine according to any one of claims 1 to 3, wherein the pulley includes an overload release unit that idles when a load larger than a predetermined load is applied.

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