JP2012075680A - Washing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce vibration and noise of a bath pump built in a washing machine during operation.SOLUTION: A washing machine is provided with: an upper frame 3 fixed to the upper part of a frame 1 which is a washing machine outer case; a support member 4 arranged between the frame 1 and the upper frame 3 and attached with a water injection member and the like; a bath pump 30 having a water-suction cylinder 31 directing upward for connecting a suction hose 32 for suctioning bathtub water; and a plurality of buffer members 37 for placing the bath pump 30 on the support member 4. When placing the bath pump 30, the plurality of buffer members 37 is preliminarily attached to the support member 4, and a plurality of guide pins 36 provided on the lower face of a bath pump main body are inserted into inserting-holes 44 formed on the buffer members 37. The water-suction cylinder 31 above the bath pump is regulated in a position adjacent to an opening 26 provided on the upper frame 3 by a buffer packing material 38. Thus, the position of the bath pump is reliably regulated, and the suction hose 32 is reliably connected. Accordingly, the vibration and the noise of the bath pump 30 is blocked, and the upper frame 3, the frame 1 and the like are prevented from resonating and vibrating.

Description

  The present invention relates to a washing machine that holds a bath pump (water absorption pump) that sucks bath water or the like into a washing machine inside a washing machine body.

  Conventionally, this type of washing machine has a bus pump holding structure in which a support member mounted with a water pump, a water injection member, and the like is attached and fixed to an upper frame mounted on the upper frame of the washing machine outer box. (For example, refer to Patent Document 1).

  In addition, as a configuration for fixing the bus pump to the support member, the pump is covered with a pump holder, a fitting portion with the mounting portion is provided on the pump holder, and the fitting portion is fitted to the fitting portion on the mounting portion side. The structure which provides a fitting part and fits and fixes the said fitting part and a to-be-fitted part is proposed (for example, refer patent document 2).

  FIG. 4 is an exploded perspective view of a main part of the washing machine described in Patent Document 1. As shown in FIG. 4, an upper frame 3 having a clothing insertion port 2 at a substantially central portion is mounted on the upper portion of the frame 1 that is a washing machine outer box.

  A water supply valve 11 that supplies tap water into a washing tub (not shown), a heater 13 that is used in the drying process, and when water is supplied from the water supply valve 11 to the washing tub, the tap water is passed through and a detergent is added. A bus pump (water absorption pump) 12 that absorbs bath water or the like and supplies water to the washing tub together with the water injection member 14 and the like is mounted on the support member 4.

  The support member 4 to which each member is mounted is placed and fixed on the rear upper surface of the frame body 1, further covers the upper frame body 3 on the upper side, and is fastened and mounted with a small screw 15.

  The bus pump (water absorption pump) 12 is formed with an intake 25 for connecting a suction hose (not shown), and the intake 25 is directed upward from an opening 26 formed on the upper surface of the upper frame 3. ing.

  FIG. 5 is an exploded perspective view of the washing water bath fixing structure of the washing machine described in Patent Document 2.

  As shown in FIG. 5, the casing 7 of the bath water pump 5 is placed in the main body 19a of the pump holder 19 with the lid 19b open, and the lid 19b is rotated via the hinge portion 19c. The bath water pump 5 and the pump holder 19 are fixed to each other by inserting the locking projection 21b at the tip into the locking recess 21a of the main body 19a.

  Next, the rib 22 which is a fitting portion provided integrally with the pump holder 19 is inserted into the protruding portion 25 which is a fitted portion formed in the water supply case 6 of the internal supporting member such as the upper frame. Then, the locking claw 22a of the pump holder 19 is locked and connected to the locking hole 25a of the water supply case 6, and the bath water pump 5 and the pump motor 16 are fixed to the water supply case 6.

JP 2004-337339 A JP 2001-276477 A

  However, in the conventional configuration, when the bus pump is held on the support member, for example, in the example of Patent Document 1, it is directly fixed to the support member, or in the example of Patent Document 2, it is temporarily fixed to the pump holder and then to the water supply case. There is a problem that vibrations and noise of the pump etc. leak to the outside or are transmitted.

  That is, since a pump generally rotates an impeller (runner) at high speed by a motor, vibration and noise are generated. Then, the vibration and noise are transmitted to the upper frame or the like via the support member 4 in the example of Patent Document 1 and via the pump holder 19 and the water supply case 6 in the example of Patent Document 2, and resonance or There is a problem that resonance may occur and abnormal vibration and noise of the washing machine during bath water absorption are generated.

  In addition, it is conceivable to surround the entire water pump with, for example, a sponge-like cushioning material to insulate vibration transmission. In this case, in addition to poor workability, the position and inclination of the bus pump (water pump) are unstable. 4 and the position of the inlet 25 as shown in FIG. 4 and the position of the opening 26 formed on the upper surface of the upper frame 3 are displaced, which makes it difficult to insert a suction hose or the like. It was.

  The present invention solves the above-described conventional problems, and when attaching a bath pump (water absorption pump) of a washing machine to a support member or an upper frame, it effectively insulates vibrations and noises, and has an intake port and an upper frame. The purpose is to eliminate misalignment with the opening of the body.

  In order to achieve the above object, the washing machine of the present invention includes a frame that is an outer box of a washing machine, an upper frame attached to an upper part of the frame, the frame and the upper frame. A support pump with a water injection member and the like, a bus pump having a water suction cylinder connected to a suction hose for absorbing bath water, and a plurality of the bus pumps mounted on the support member. The bus pump has the plurality of buffer members mounted on the support member, and a plurality of guide pins provided on the lower surface of the bus pump main body mounted in an insertion hole formed in the buffer member. And the water absorption pipe | tube above a bus pump is position-regulated and attached to the opening part provided in the upper frame through the buffer packing material.

  As a result, the vibration and noise of the bus pump are cut off, so that resonance and vibration of the upper frame and the frame that is the outer box are prevented, and the position control of the bus pump water supply connection cylinder is ensured and the suction hose Mounting is easy, and assembly productivity can be increased.

  The washing machine of the present invention can reduce vibration and noise during operation of the bus pump.

Sectional drawing of the principal part around the bus pump of the washing machine in embodiment of this invention Exploded view of relevant parts around the bath pump of the washing machine Exterior view of packing buffer for mounting bath pump of the washing machine An exploded perspective view of the main part of a conventional washing machine Exploded perspective view of conventional washing machine bath water pump fixing structure

  1st invention arrange | positions between the frame which is a washing machine outer box, the upper frame mounted | worn to the upper part of the said frame, and the said frame and upper frame, and the support which mounted | wore the water injection member etc. A bus pump having a member, a water absorption cylinder connecting a suction hose for performing bath water absorption, and a plurality of buffer members for mounting the bus pump on the support member, The plurality of buffer members are mounted on the support member, and a plurality of guide pins provided on the lower surface of the bus pump body are mounted in insertion holes formed in the buffer member. The position of the opening of the upper frame through the material is restricted and attached, so that the vibration of the bus pump is insulated from the transmission to the frame of the washing machine, noise and vibration are reduced, and the bus pump Is mounted at a predetermined position on the support member, so suction One in which the mounting of over vinegar becomes easy.

  In the second invention, in particular, the shock-absorbing member of the first invention is formed of an elastic body having an I-shaped cross section having a through hole in the center, and a plurality of streak-like ribs having a shock-absorbing action are formed on the surface of the elastic member. By forming a gap in the attachment surface between the member and the bus pump, a minute gap is formed in the attachment contact surface, effectively reducing vibration transmission and reliably suppressing noise generation due to resonance of the upper frame and the support member. Things that can be done.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, the thing of the same structure as a prior art example attaches | subjects the same code | symbol, and abbreviate | omits detailed description. Further, the present invention is not limited by this embodiment.

(Embodiment 1)
FIG. 1 shows a cross-sectional view of an essential part around a bus pump of a washing machine according to Embodiment 1 of the present invention. 2 is an exploded view of the main part around the bus pump of the washing machine, and FIG. 3 is an external view of the packing for mounting the bus pump of the washing machine.

  In FIG. 1, a bus pump 30 attached to a support member 4 is arranged inside an upper frame 3 mounted on an upper part of a frame 1 that is a washing machine outer box.

  The bus pump 30 is configured such that a water absorption cylinder 31 for connecting a suction hose 32 is provided on the upper surface of the bus pump and directed upward from an opening 26 disposed on the upper surface of the upper frame 3.

  Bath water or the like sucked through a suction hose 32 connected to the water suction cylinder 31 is sent from a discharge port 33 by a runner (both not shown) driven by a motor inside the bus pump 30. It is supplied to a washing tub (not shown) or the like via a water pipe 34 and a water injection member 35.

  The bus pump 30 is held by attaching and holding a plurality of guide pins 36 integrally formed on the bottom to the support member 4 via a plurality of buffer members 37 having an I-shaped cross section.

  On the other hand, the upper position of the ring-shaped buffer packing material 38 inserted in the outer periphery of the water absorption cylinder 31 is in a state of being pressed against the cylindrical portion 39 and the stepped portion 40 integrally extending below the opening 26 of the upper frame 3. Regulate and hold.

  The support member 4 and the upper frame 3 are fixed to each other by contacting the flange portion 41 that is bent upward from the rear of the support member 4 (rightward in FIG. 1) and the rear wall 42 of the upper frame 3. Contact and fasten with a small screw 43.

  In the exploded view of the main part of FIG. 2, the procedure for attaching the bus pump 30 to the support member 4 will be described.

  A plurality of buffer members 37 are fitted and installed in the insertion holes 50 formed in the support member 4 in advance, and then the plurality of guide pins 36 of the bus pump 30 are placed above the through holes 44 in the center of the buffer member 37. By inserting more, the bus pump 30 is installed on the support member 4.

  In addition, a ring-shaped cushioning packing material 38 is inserted in advance from above on the outer periphery of the connection tube 31 on the upper surface of the bus pump 30, and the connection tube 31 is mounted with the bus pump 30 installed on the support member 4. The upper frame 3 is inserted upward from the opening hole 49 at the center of the cylindrical portion 39, and then the fastening of the rear wall 42 of the upper frame 3 and the support member 41 is completed with the small screw 43.

  3, the cushioning member 37 having an I-shaped cross section has a through hole 44 having a diameter approximate to the outer dimension of the guide pin 36 at the center, as described in FIG. 2. Cylindrical portions 46 that fit into the insertion holes 50 of the support member are formed between the flange portions 45 and both flange portions at both ends. The dimension (H) between the two flange portions 45 approximates the thickness of the insertion hole 50 portion of the support member 4.

  Further, a plurality of strip-like ribs 48 are formed in the axial direction on the outer periphery of the buffer member 37 and the inner periphery of the through hole 44. The streaky rib 48 forms a minute gap between the through hole 44 and the guide pin 36, and the insertion hole 50 of the support member 4, the flange portion 45, and the cylindrical portion 46, and acts as a buffer so that vibration transmission is difficult. It is something to enhance.

  The material of the buffer member 37 is suitably an EPDM (ethylene propylene rubber) material having excellent aging resistance and ozone resistance.

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

  In assembling the bus pump 30, a plurality of buffer members 37 are mounted in the insertion holes 50 of the support member 4 in advance, and then the bus pump 30 is passed from above the support member 4 and the guide pins 36 are passed through the buffer member 37. By inserting into the hole 44, the bus pump 30 is mounted at a predetermined position of the support member 4 by a simple operation.

  On the other hand, a buffer packing material 38 is attached to the connection cylinder 31 of the bus pump 30, placed so as to cover the upper frame 3 from above, and a cylindrical portion 39 integrally extending below the opening 26 of the upper frame 3; The position is held while being in pressure contact with the stepped portion 40, and thereafter, the flange portion 41 and the rear wall 42 of the upper frame 3 are brought into contact with each other and fastened with the small screw 43.

  Therefore, the vibration transmission of the bus pump 30 is insulated from the support member 4 and the upper frame 3 by the buffer member 37 and the buffer packing material 38.

  In addition, the positioning of the bus pump 30 and the upper frame 3 is ensured, and the support member 4 and the upper frame 3 are also positioned, so that the cylindrical portion 39 and the opening 26 of the upper frame 3 are also reliable. Positioning is performed and the connection of the suction hose 32 can be facilitated.

  As a result, the position regulation of the bus pump 30 is ensured, the assembly productivity and service exchange are improved, the vibration and noise of the bus pump are cut off, and the resonance of the upper frame and the frame which is the outer box, etc. Resonance is prevented.

  Further, since the buffer member 37 has the streak ribs 48 formed on the inner and outer surfaces, a minute gap is formed on the attachment contact surface, effectively reducing vibration transmission, and by the resonance of the upper frame 3 and the support member 4. Noise generation can be reliably suppressed.

  As described above, since the washing machine according to the present invention can easily and reliably insulate vibration noise in the bus pump, the washing machine is useful for a device incorporating a pump with vibration.

DESCRIPTION OF SYMBOLS 1 Frame 3 Upper frame 4 Support member 26 Opening part 30 Bus pump 31 Water absorption cylinder 32 Suction hose 35 Water injection member 36 Guide pin 37 Buffer member 38 Buffer packing material 44 Through-hole 48 Streak rib 50 Insertion hole

Claims (2)

A frame that is an outer box of a washing machine; an upper frame that is mounted on the upper part of the frame; a support member that is disposed between the frame and the upper frame and is equipped with a water injection member; and bath water absorption And a plurality of buffer members for mounting the bus pump on the support member, wherein the bus pump includes the plurality of buffer members. Is attached to the support member, and a plurality of guide pins provided on the lower surface of the bus pump body are attached to the insertion holes formed in the buffer member, and the water absorption cylinder above the bus pump is attached to the upper frame via the buffer packing material. A washing machine attached to the opening provided on the body with its position regulated. The buffer member is composed of an elastic body having an I-shaped cross section with a through hole in the center, and a plurality of streak-like ribs having a buffer action are formed on the surface, and a gap is formed on the mounting surface between the support member and the bus pump. The washing machine according to claim 1.

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