JP2018122016A - Washing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To achieve an urging spring in a lid body of a washing machine in an opening direction of the lid body by using a simple attachment structure, and to prevent a failure in opening or closing, to improve assembling work efficiency, and further to improve a design.SOLUTION: The washing machine comprises: a body 11; an upper frame body 25 attached to an upper portion of the body 11; and a lid body 27. In a rear of the lid body 27, a lid hinge shaft 35 is provided. In a rear of the upper frame body 25, a hinge part is formed and the hinge part has a bearing for receiving the lid hinge shaft 35. In a rear of the lid body 27, a sheet metal 38 is fixed by a screw 39. The sheet metal 38 has a folded portion 40 which is folded substantially vertically. The folded portion 40 is formed with a through hole, and in the through hole, a spring shaft 37 for supporting a hinge spring 36 of the lid body 27 is inserted. The screw 39 is positioned on each end in a shaft direction of the spring shaft 37. Thus, it is possible to suppress a movement of the spring shaft 37 in a shaft direction and to prevent the spring shaft 37 from falling out of the hinge spring 36 and the through hole.SELECTED DRAWING: Figure 6

Description

  The present invention relates to a structure of a lid of a washing machine.

  2. Description of the Related Art Conventionally, a washing machine is provided with a lid for closing a laundry doorway so as to be openable and closable, and rotatably supported by a hinge structure. In order to improve the operability of the lid, a hinge spring for reducing the opening force of the lid is provided. The hinge spring is temporarily fixed to a hinge portion formed on the lid, and the other end is attached to the upper frame of the washing machine, thereby energizing the lid with the rotational force (see, for example, Patent Document 1). .

  FIG. 8 is an exploded perspective view of a lid of a conventional washing machine, and FIG. 9 is an exploded perspective view of the lid of a conventional washing machine.

  When attaching the lid 102 and the upper frame 101, the hinge shaft 105 formed on the upper frame 101 is inserted into the hinge hole 104 a formed at the end of the lid 102. A protrusion is formed on the hinge portion 104 of the lid 102, and a locking portion 103 a at one end of the hinge spring 103 is inserted into and locked in a mounting hole 104 b formed in the protrusion, and the other end of the hinge spring 103 is locked. The portion 103b is inserted into the locking hole 107a locked to the upper frame 101 and locked. Further, the upper frame 101 is formed with an insertion hole 106 into which the hinge portion 104 is inserted, and a recess 107 for supporting the hinge spring 103 is formed continuously with the insertion hole 106.

Japanese Patent Laid-Open No. 6-315597

  However, in the conventional configuration, in order to fix the hinge spring, it is necessary to attach the hinge spring to the attachment hole of the lid and the locking hole of the upper frame while bending the hinge spring from the free length state to the attachment state at the time of assembly. There was a problem that workability was bad.

  An object of the present invention is to solve the above-described conventional problems and to facilitate the assembly of a lid and an upper frame.

  In order to achieve the above object, the present invention provides a casing, an upper frame that is attached to the upper portion of the casing and has a clothing input port for taking in and out laundry in the approximate center, and is rotatable to the upper frame. And a lid that covers the clothing input port so as to be openable and closable. A lid hinge shaft is provided at the rear of the lid, and the lid is supported at the rear of the upper frame. A hinge portion is formed, and the hinge portion has a bearing for receiving the lid hinge shaft. A sheet metal is fixed to the rear of the lid body by a fixing member, and the sheet metal is bent substantially vertically by bending. The bent portion is formed with a through hole, and a spring shaft for supporting a hinge spring for biasing the lid body in the opening direction is inserted into the through hole, and the fixing member is The spring shaft is positioned at both axial ends.

  Accordingly, the spring shaft can be prevented from coming off the hinge spring with a simple configuration, and the lid body and the upper frame body can be easily assembled.

  The washing machine of the present invention can prevent the spring shaft from coming off from the hinge spring with a simple configuration, and can easily assemble the lid and the upper frame.

The longitudinal cross-sectional view of the washing machine in Embodiment 1 of this invention Longitudinal longitudinal cross-sectional view of main parts of the upper frame and lid of the washing machine in the first embodiment Top view of the upper frame and lid of the washing machine in the first embodiment Back view of lower lid frame body of washing machine in the first embodiment Enlarged view of the main part of FIG. AA sectional view of FIG. The side view in the state in which the upper frame and lower lid frame of the washing machine in Embodiment 1 are attached An exploded perspective view of a lid of a conventional washing machine An exploded perspective view of a lid of a conventional washing machine

  According to a first aspect of the present invention, there is provided a housing, an upper frame that is attached to an upper portion of the housing and has a clothing input port for putting laundry in and out at a substantially center, and the clothing is provided rotatably on the upper frame. A lid that covers the input port so as to be openable and closable. A lid hinge shaft is provided at the rear of the lid, and a hinge portion for supporting the rotation of the lid is formed at the rear of the upper frame. The hinge portion has a bearing for receiving the lid hinge shaft, and a sheet metal is fixed to the rear of the lid by a fixing member, and the sheet metal has a bent portion that is bent substantially vertically by bending. A through hole is formed in the bent portion, and a spring shaft that pivotally supports a hinge spring that biases the lid in the opening direction is inserted into the through hole, and the fixing member is a shaft of the spring shaft. The spring shaft can be removed from the hinge spring with a simple configuration by being positioned at both ends in the direction. It is possible to prevent Rukoto, the assembly of the lid and the upper frame can be easily performed.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Further, the present invention is not limited by this embodiment.

(Embodiment 1)
1 is a longitudinal sectional view of a washing machine according to Embodiment 1 of the present invention.

  In FIG. 1, a main body 11 (a casing) of a washing machine has a water tank 13 supported by a suspension 12 in an anti-vibration manner. Inside the water tub 13, a washing / dehydrating tub 15 serving both as a washing tub and a dewatering tub is rotatably provided. A pulsator 19 is rotatably disposed on the inner bottom of the washing and dewatering tub 15.

  A transmission mechanism 20 is disposed on the outer bottom of the water tank 13. The transmission mechanism 20 includes a reduction gear (not shown) for washing, a switching clutch (not shown) for the washing / dehydrating shaft 14, and a brake (not shown) for stopping the washing / dehydrating tub 15. Built in.

  A motor 21 is attached to the outer bottom portion of the water tank 13, and a motor-side pulley 22 is attached to the motor 21. A mechanical pulley 23 is connected to the washing / dehydrating shaft 14, and the motor pulley 22 and the mechanical pulley 23 are connected to each other by a belt 24. With the above configuration, the power of the motor 21 is transmitted to the washing / dehydrating shaft 14 via the belt 24. Further, by controlling the switching clutch, the pulsator 19 is rotated using the motor 21, and the pulsator 19 and the washing and dewatering tub 15 are simultaneously rotated.

  An upper frame 25 is arranged on the upper part of the main body 11 of the washing machine. A laundry loading / unloading port 26 (clothing loading / unloading port) for communicating the washing / dehydrating tub 15 with the outside is formed at a substantially central portion of the upper frame 25, and the laundry loading / unloading port 26 is formed on the lid 27. And can be opened and closed freely. A control device 28 is disposed on the upper rear side of the upper frame 25, and the upper portion of the control device 28 is covered with an operation panel 29 for performing various input settings and displaying the setting contents. A water supply valve 30 and a water injection case 31 that can be opened and closed by electromagnetic force are provided inside the upper frame 25 on the rear side.

  The control device 28 has control means (not shown) for controlling the motor 21 and the like, and sequentially controlling a series of steps of washing, rinsing and dehydration.

  A heated water generator 32 is attached to the outer bottom of the water tank 13. The heating water generator 32 is provided with a heater (not shown) for heating the washing water. The water tank 13 and the heated water generator 32 are connected in communication via an inflow path (not shown) and an outflow path (not shown).

  FIG. 2 is a longitudinal cross-sectional view of the main part of the upper frame and lid of the washing machine according to the first embodiment. FIG. 3 is a top view of the upper frame and lid of the washing machine according to the first embodiment. 4 is a rear view of the lower lid frame of the washing machine in the first embodiment, FIG. 5 is an enlarged view of a main part of FIG. 4, FIG. 6 is a cross-sectional view taken along line AA of FIG. It is a side view in the state where the upper frame and lower lid frame of the washing machine in Embodiment 1 were attached.

  As shown in FIG. 2, the lid 27 is provided so as to be openable and closable so as to cover the laundry loading / unloading port 26, and is inclined downward toward the front. As shown in FIGS. 2 and 3, the lid body 27 is attached to the upper lid frame body 27 a constituting the upper part, the front part, the rear part, and both side parts of the upper lid frame body 27 a from below, and is substantially concave in the longitudinal section. The lower cover frame body 27b having a shape and a glass plate 27c are used.

  As shown in FIG. 4, lid hinge shafts 35 are provided on both rear sides of the lower lid frame 27b. A hinge portion (not shown) that supports the rotation of the lid 27 is provided behind the upper frame 25. A bearing portion (not shown) that receives the lid hinge shaft 35 is formed in the hinge portion, and the lid body 27 is attached to the bearing portion so that the lid body 27 is attached to the upper frame body 25. Can be opened and closed freely.

  As shown in FIGS. 4 to 6, the lower lid frame body 27 b and the sheet metal 38 are fastened and fixed by screws 39 (fixing members) on the rear side rear side of the lower lid frame body 27 b. The sheet metal 38 is formed with a plurality of bent portions 40 that are bent substantially vertically by bending. A through hole (not shown) is formed in the bent portion 40, and a spring shaft 37 that supports the hinge spring 36 is inserted into the through hole. The hinge spring 36 biases the lid body 27 in the opening direction. The screws 39 are disposed at both axial ends of the spring shaft 37.

  With the above configuration, the spring shaft 37 is inserted and supported in the through hole, and the spring head 37 b of the screw 39 suppresses the spring shaft 37 from moving in the axial direction. For this reason, it is possible to prevent the spring shaft 37 from being detached from the through hole and the hinge spring 36. In the conventional configuration, it is necessary to process the groove on the spring shaft and fit the E-ring. However, in this embodiment, it is not necessary to do this, and the spring shaft 37 can be easily moved with fewer steps. Can be suppressed.

When assembling the lid body 27 and the upper frame body 25, the lid hinge shaft 35 is connected to the bearing portion of the upper frame body 25, and one end of the hinge spring 36 is connected to a spring insertion hole (not shown) on the rear side of the upper frame body 25. )
Insert into. The other end of the hinge spring 36 is fixed to the lower lid frame 27b. For this reason, as in the conventional configuration, the hinge spring is bent from the free length state to the mounting state, and does not require unstable work to be attached to the locking hole of the upper frame and the mounting hole of the lid, and can be easily assembled. Can do. In addition, it is possible to reduce the possibility that the hinge spring and the upper frame body are rubbed during assembly and the upper frame body is damaged.

  In the present embodiment, the configuration in which the lid 27 and the sheet metal 38 are fixed by screw fastening has been described. However, the present invention is not limited to this and may be fixed by other methods.

  Further, although the present embodiment has been described with a configuration in which two hinge springs 36 and two spring shafts 37 are provided, the present invention is not limited to this, and the hinge spring 36 and the spring shaft 37 are each configured as a single spring. The same effect can be obtained even if screws 39 are provided at both ends of the shaft 37.

  Moreover, this invention may be comprised with the 2 tank type washing machine.

  As described above, the washing machine according to the present invention is useful as a washing machine that can realize the biasing spring in the opening direction of the lid with a simple mounting configuration in the lid of the washing machine.

11 Body (housing)
25 Upper frame 26 Laundry input / exit (clothing input)
27 Lid 35 Lid hinge shaft 36 Hinge spring 37 Spring shaft 38 Sheet metal 39 Screw (fixing member)
40 Folding part

Claims (1)

A housing,
An upper frame attached to the upper part of the housing and having a clothing input port for taking in and out the laundry at substantially the center;
A lid body that is rotatably provided on the upper frame body and covers the clothing input port so as to be openable and closable, and a lid hinge shaft is provided on the rear side of the lid body,
A hinge portion that supports the rotation of the lid body is formed at the rear of the upper frame body, and the hinge portion has a bearing that receives the lid hinge shaft,
A sheet metal is fixed to the rear of the lid by a fixing member, and the sheet metal has a bent portion that is bent substantially vertically by bending, and a through hole is formed in the bent portion. Is a washing machine in which spring shafts that pivotally support a hinge spring that urges the lid body in the opening direction are inserted, and the fixing members are positioned at both axial ends of the spring shaft.

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