JP2014057707A - Detergent container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a detergent container having a structure capable of promoting an appropriate mounting of a lid body.SOLUTION: The detergent container 500 for retaining a detergent in a washing machine includes: a container part 510 having a housing part 515 for housing a detergent and a feed part 520 which forms an opening 521 for feeding a detergent to the housing part 515; and a lid body 550 for closing the opening 521. The lid body 550 has; a lid outer surface 553 which a user holds; a lid inner surface 554 opposite to the lid outer surface 553; and a lid body double-threaded screw part 561 provided on the lid inner surface 554 and having a double-threaded screw shape. The feed part 520 has a feed part double-threaded screw part 525 that engages with the lid body double-threaded screw part 561, and thus the lid body 550 can be mounted always appropriately without being obliquely mounted. Thus, it is possible to prevent the lid body 550 from loosening and coming off by vibrations and a liquid detergent from leaking outside accordingly.

Description

  The present invention relates to a detergent container for a washing machine that stores a detergent for clothes.

  Conventionally, a washing machine equipped with this type of detergent container has been proposed in which a liquid detergent is stored in advance into a washing and dewatering tub (see, for example, Patent Document 1).

  FIG. 8 shows a longitudinal sectional view of the first embodiment of the conventional washing machine described in Patent Document 1, and FIG. 9 shows the essential parts of the detergent container in the second embodiment of the washing machine. FIG.

  As shown in FIG. 8, the outer cover 19 covers the upper part of the outer shell 6, and is provided with a control device 10, a water supply valve 11, a water supply path 12, and the like.

  In the outer cover 19, a detergent container 21 containing a liquid detergent 20 in an amount that can be used for at least a plurality of washings is provided.

  The detergent container 21 hermetically closes the replenishing port 21a for replenishing the liquid detergent 20 with a detergent container lid 22 so that the inside of the detergent container 21 can be sealed, and has an air inlet 21b and a liquid outlet 21c. Yes.

  The air pump (pump device) 23 is used to feed the liquid detergent 20 in the detergent container 21 into the washing and dewatering tub 1, and is constituted by a piston type, a valve type, etc. The air pump 23 communicates with the air inlet 21b, and the air pump 23 increases the air pressure in the sealed detergent container 21.

  Here, the sealed tube 24 forms an air reservoir 24a that is higher than the liquid level of the liquid detergent 20 in the detergent container 21 so that air remains inside.

  The control device 10 has a cloth amount determining means for determining the amount of laundry (clothing) put into the washing and dewatering tub 1, and in accordance with the determination result determined by the cloth amount determining means, that is, The air pump 23 is operated in accordance with at least one of the amount of laundry or the amount of water according to the amount of laundry, and the liquid detergent 20 is introduced into the washing and dewatering tub 1 from the liquid outlet 21c. ing.

  In the example of FIG. 9, the detergent container 25 is configured such that the supply port 25 a for replenishing the liquid detergent 20 can be sealed inside the detergent container 25 by the detergent container lid 22, and the air inlet 25 b, the liquid outlet 25 c and the air And a chamber 25d.

  By the operation of the air pump 23, air is sent in communication with the air inlet 25b of the detergent container 25 directly connected by the sealed tube 26, and the air pump 23 increases the air pressure in the sealed detergent container 25 to thereby increase the liquid outlet 25c. Liquid detergent flows out more into a detergent holding case (not shown), and the detergent holding case is a drawer-type case in which care is taken not to apply the detergent stock solution directly to clothing such as when making a reservation.

JP 2001-259290 A

  However, in the conventional configuration, the connection structure of the lid of the detergent container is generally an attachment with a single thread that is easy to process, and the single thread causes insufficient tightening of the lid. Cheap.

  Detergents, particularly liquid detergents, act as a lubricant to reduce frictional force. For example, if liquid detergent is attached to the threaded part, when the cover is mistakenly attached, Since it is a screw, it is easy to attach, and the user is often unaware of improper lid attachment.

  For this reason, there is a problem that the attachment of the lid is easy to loosen due to vibration of the washing machine and the like and comes off at the end, and the liquid detergent may leak out of the detergent container.

  This invention solves the said conventional subject, and it aims at providing the detergent container which can always attach the cover body of a detergent container appropriately.

  In order to solve the conventional problems, a detergent container according to the present invention includes a container part having a container part that contains a detergent, and a charging part that forms an opening part for charging the detergent into the container part. A lid that closes the opening, and the lid includes a lid outer surface that is gripped by a user, a lid inner surface opposite to the lid outer surface, and a double thread provided on the lid inner surface. The lid has a two-thread threaded portion, and the charging portion has a double-threading portion that meshes with the two-lid screw portion.

  Thus, according to the double thread screw, since the cut-out position of the screw is at a position opposite to the 180 degree, the lid body is not attached obliquely and can always be appropriately attached. It is possible to prevent the liquid detergent from leaking out by loosening and coming off.

  In the detergent container of the present invention, the lid body of the detergent container can be always properly attached to the detergent entrance by attaching the lid body of the tank with the double thread.

The longitudinal cross-sectional view of the washing machine provided with the detergent container in embodiment of this invention Same as above, exploded perspective view of detergent container Same perspective view of the detergent container Same as above, partial side view of detergent container The perspective view seen from the back of the lid of the detergent container Sectional view of the lid of the detergent container Same as above, partial sectional view with lid attached to the input part of the detergent container Longitudinal sectional view of a washing machine with a conventional detergent container Same sectional view of detergent container

1st invention is a detergent container which hold | maintains a detergent in a washing machine, The container part which has the accommodating part which accommodates the said detergent, and the injection | throwing-in part which forms the opening part for supplying the said detergent to the said accommodating part And a lid that closes the opening, the lid comprising a lid outer surface gripped by a user, a lid inner surface opposite to the lid outer surface, and two strips provided on the lid inner surface A screw-shaped lid double threaded portion, and the feeding portion has a feeding portion double threaded portion that meshes with the lid double threaded portion, so that the double thread has a screw cutting position of 180 degrees. Since it is in the opposite position, the lid body is not attached obliquely and can always be properly attached, so that the lid body can be prevented from loosening due to vibration and liquid detergent leaking out. .

  According to a second aspect of the invention, in particular, in the first aspect of the invention, by having a closing portion that closes the opening provided in the lid, and an end surface provided in the input portion that is pressed by the closing portion, Since the user cannot perceive the stop position more easily when the closing portion and the insertion portion are pressed, the user can easily perceive the stop position, and thus the lid body can be easily attached to the insertion portion.

  In particular, the third aspect of the present invention is the second aspect of the invention, further comprising an inner wall portion projecting into the opening provided in the lid, and a packing provided between the inner wall portion and the lid inner surface, Since the packing is compressed between the closed portion and the closed portion, the sealing property between the end face and the closed portion is improved, and the liquid detergent can be prevented from leaking outside.

  According to the fourth aspect of the invention, in particular, the lid of any one of the first to third aspects has a protrusion that protrudes from the outer surface of the cover, so that the user concentrates the force on the protrusion. This makes it easy to attach the lid to the input part.

  According to a fifth aspect of the invention, in particular, the protrusion of the fourth aspect of the invention has a first protrusion and a second protrusion that protrudes in a direction opposite to the first protrusion, so that the user can Can be easily attached to the charging section.

  Hereinafter, embodiments of the invention will be described with reference to the drawings. Note that the terms such as “up”, “down”, “left” and “right” used in the following description are merely for the purpose of clarifying the explanation, and the principle of the detergent container is used. It is not limited at all. Further, the present invention is not limited by this embodiment.

(Embodiment 1)
FIG. 1 is a longitudinal sectional view of a washing machine including a detergent container according to an embodiment of the present invention.

  In FIG. 1, the washing machine 100 includes a substantially rectangular box-shaped casing 110, an outer tub 120 disposed in the casing 110, and a plurality of suspensions 130 that elastically support the outer tub 120. Yes. In order to avoid unnecessarily obscuring the drawing, only one suspension 130 is shown in FIG.

  The suspension 130 attenuates vibration from the outer tub 120 in a washing process for washing clothes and a dehydration process for dehydrating clothes. Therefore, vibration is hardly transmitted to the housing 110.

  The casing 110 includes a lower casing 111 that surrounds the outer tub 120, and an upper casing 112 that is disposed above the outer tub 120. The upper casing 112 is a door that can be opened and closed substantially at the center. 113 is provided. The user can open the door body 113 and put clothes into the housing 110.

  The outer tub 120 is formed of a bottom wall 121 that extends substantially horizontally and a substantially cylindrical peripheral wall 122 that stands upright from the bottom wall 121, and encloses the inner tub 140 rotatably.

The inner tank 140 is formed by a bottom wall 141 along the bottom wall 121 of the outer tank 120 and a peripheral wall 142 surrounded by the peripheral wall 122 of the outer tank 120, and a plurality of opening holes 143 are formed in the peripheral wall 142. ing.

  During the dehydration process, water dehydrated from the clothes flows out from the inner tank 140 through the opening hole 143. In addition, during the washing process, washing water for dehydrating clothes flows into the inner tub 140 through the opening hole 143.

  A fluid balancer 144 is attached to the upper part of the peripheral wall 142 of the inner tank 140, and the fluid balancer 144 balances the inner tank 140 during dehydration rotation and reduces vibration.

  A shaft mechanism 150 that penetrates the bottom walls 121 and 141 is provided on the outer bottom portion of the bottom wall 121 of the outer tub 120, and a pulsator 151 is provided on the upper end of the shaft mechanism 150. A drive motor 152 is provided on the outer bottom portion of the bottom wall 121 of the outer tub 120.

  The shaft mechanism 150 includes a shaft 153 having a double shaft structure and a clutch 154. The shaft 153 includes a first shaft 155 connected to the bottom wall 141 of the inner tank 140, and a bottom wall of the inner tank 140. 141, and a second shaft 156 connected to a pulsator 151 that radiates on 141.

  The clutch 154 switches the transmission of the driving force from the driving motor 152 between the first shaft 155 and the second shaft 156.

  The substantially dish-shaped pulsator 151 includes a support disc 157 that supports clothing put in the inner tub 140 and an inclined plate 158 that extends upward from the support disc 157. The inclined plate 158 includes: It has an inclined surface 159 that expands radially.

  The pulsator 151 further has stirring ribs 149 that stand from the upper surface and the inclined surface 159 of the support disk 157 and extend radially.

  In the washing process, the clothes stored in the inner tub 140 are stirred by the stirring rib 149. In the drying process, the clothes are rolled by the stirring rib 149 and are urged to the inclined surface 159 by the centrifugal force caused by the rotation of the pulsator 151.

  Thereafter, the garment is guided by the inclined surface 159 and is flipped upward. When the drive motor 152 rotates the pulsator 151 in both directions, the clothing performs a complicated motion in the inner tub 140 due to the switching of the rotation direction of the pulsator 151 and the above-described flip-up action.

  A drain port 123 is formed in the bottom wall 121 of the outer tub 120, and washing water and dry air are discharged from the outer tub 120 through the drain port 123. Further, a connection duct 131 is connected to the drain port 123.

  The outer tub 120 is provided with a cover member 124 at the opening edge of the peripheral wall 122, and the cover member 124 has an air supply port 125 for introducing dry air into the outer tub 120. Further, the cover member 124 is provided with an inner lid 126, and the user opens the door body 113 and the inner lid 126 and puts clothes into the inner tub 140.

  The circulation system 200 is for circulating dry air between the drain port 123 at the bottom of the outer tub 120 and the air supply port 125 of the cover member 124, and is a tubular heat exchanger that exchanges heat with the dry air. 210 is provided. The heat exchanger 210 is connected to the connection duct 131 at the lower end.

  In the drying process, the dry air containing the moisture from the clothes in the inner tub 140 flows into the heat exchanger 210 through the connection duct 131 from the drain port 123 at the bottom of the outer tub 120. Although not shown, dehumidified water for dehumidifying the dry air is supplied to the heat exchanger 210, and the dry air is dehumidified by the dehumidified water while being guided upward by the heat exchanger 210. The

  The circulation system 200 further includes a processing unit 220 that performs various processes such as a dust removal process, an air blowing process, and a heating process on the dehumidified dry air. The processing unit 220 is included in the dry air, for example. Filter device (not shown) for removing the lint to be removed, a blower device (not shown) for sending dehumidified dry air into the outer tub 120 again, and heating the dry air between the blast device and the outer tub 120 A heater (not shown) is provided.

  The upper end of the heat exchanger 210 is connected to the upstream side of the processing unit 220, and the connection hose 230 that connects the air supply port 125 is connected to the downstream side of the processing unit 220. Thereby, dry air can circulate between the air supply port 125 and the drain port 123.

  The water supply system 300 is for supplying wash water to the inner tub 140, and includes a water supply port 310, a water supply valve 320 for controlling the inflow of water from the water supply port 310 to the outer tub 120, and a water supply valve 320. And a water supply hose 330 connecting the outer tub 120. The water supply port 310 is connected to, for example, a water tap, and water is supplied to the outer tub 120 when the water supply valve 320 is opened.

  The drainage system 400 is for draining water out of the housing 110 and includes a drain pipe 410 extending from the connection duct 131 to the outside of the casing 110 and a drain valve 420 attached to the drain pipe 410. .

  When the drain valve 420 is opened, the water in the outer tub 120 is drained out of the housing 110 through the connection duct 131 and the drain pipe 410. Similarly, the dehumidified water supplied to the heat exchanger 210 is drained out of the housing 110.

  A cleaning pipe 132 connected to the drain pipe 410 is connected to the water supply valve 320, and an optical sensor 133 that detects the turbidity of water flowing in the drain pipe 410 is provided on the cleaning pipe 132 side of the drain pipe 410. .

  The water supply valve 320 switches the path of water flowing from the water supply port 310 to the cleaning pipe 132 side, cleans the inside of the drain pipe 410, and maintains the accuracy of water turbidity detection by the optical sensor 133.

  The detergent container 500 is for containing the liquid detergent supplied into the outer tub 120, and is operated via a guide hose 501 by the operation of an air pump (not shown) that pumps the liquid detergent into the outer tub 120. Thus, an appropriate amount of liquid detergent is supplied into the outer tub 120 at an appropriate timing.

  The control device 160 is disposed substantially vertically on the back surface of the lower housing 111, and controls the operation of the drive motor 152, the water supply valve 320, the air pump (not shown), the drain valve 420, and the like. A series of steps of rinsing, dehydration and drying are sequentially controlled.

  FIG. 2 is an exploded perspective view of the detergent container of the washing machine in the embodiment of the present invention, FIG. 3 is a perspective view of the vicinity of the detergent container charging portion of the washing machine, and FIG. 4 is a drawing of the detergent container charging portion. FIG. 5 is a partial side view, FIG. 5 is a perspective view seen from the back of the lid of the detergent container, and FIG. 6 is a cross-sectional view of the lid of the detergent container.

  2, 3, 4, 5, and 6, the detergent container 500 that holds the liquid detergent in the housing 110 includes an elongated, substantially rectangular box-shaped container portion 510. The container unit 510 includes a storage unit 515 that stores a liquid detergent, and an opening 521 for charging the liquid detergent into the storage unit 515, and a substantially cylindrical charging unit 520 that protrudes upward from the storage unit 515. Have.

  The detergent container 500 further includes a lid 550 that is attached to the charging unit 520 with a screw in a rotational manner and closes the opening 521.

  The insertion portion 520 includes a substantially annular base end portion 523 connected to the housing portion 515 and a cylindrical portion 522 that protrudes upward from the base end portion 523. The cylindrical portion 522 has an input portion inner surface 524 having an opening 521 and an input portion double thread portion 525 on the outer surface opposite to the input portion inner surface 524. The feeding portion double thread portion 525 is formed with two thread portions 525a and 525b provided at positions where the screw cutting positions are opposed to each other by 180 degrees. Further, an end surface 526 is formed on the upper edge portion of the cylindrical portion 522, and this end surface 526 is pressed by the lid body 550.

  The lid body 550 formed in a substantially dish shape includes a substantially annular peripheral wall portion 551 and a substantially disc-shaped closing portion 552 for closing the opening portion 521. The peripheral wall portion 551 has a lid outer surface 553 having a wavy contour and a lid inner surface 554 on the inner surface opposite to the lid outer surface 553. When the user holding the lid outer surface 553 rotates the lid 550 on the insertion portion 520 when the lid 550 is screwed, the lid outer surface 553 of the lid 550 is formed in a wave-like shape. Therefore, the lid body 550 can be easily rotated and screwed.

  The peripheral wall portion 551 is further formed with a protruding portion 555 that protrudes outward from the outer surface 553 of the lid, and the protruding portion 555 protrudes at a position that is approximately 180 degrees opposite to the first protruding portion 556 and the first protruding portion 556. And the second projecting portion 557, and the projecting portion 555 allows the user to more easily rotate and screw the lid 550.

  The closing portion 552 includes a lower surface 558 that faces the charging portion 520 and an outer upper surface 559 opposite to the lower surface 558, and the lid 550 has a substantially cylindrical shape that protrudes from the lower surface 558 into the opening 521. An inner wall portion 560 is further formed. When the lid body 550 is screwed into the insertion portion 520, the inner wall portion 560 is inserted into the opening 521 of the insertion portion 520 so that the tip of the insertion portion 520 enters between the inner wall portion 560 and the lid inner surface 554. It has become.

  Further, the peripheral wall portion 551 is further formed with a lid double thread portion 561 provided at a position where the screw cut-out position from the lid inner surface 554 faces 180 degrees. The lid double threaded portion 561 is screwed with the throwing portion double threaded portion 525 of the throwing portion 520.

  In addition, on the lower surface 558 of the lid body 550, a substantially cylindrical rib-shaped facing surface 562 that is substantially parallel to the lower surface 558 is formed.

  FIG. 7 is a partial cross-sectional view showing a state in which a lid is attached to the input part of the detergent container of the washing machine in the embodiment of the present invention.

  An O-ring 570 used as a packing to be compressed is provided between the inner wall 560 and the lid inner surface 554 between the upper and lower ends of the end surface 526 of the charging portion 520 of the container 510 and the closing portion 552 of the lid 550. ing.

Since the O-ring 570 is gradually compressed by rotating and screwing the lid 550, the pressure applied to the facing surface 562 gradually increases as the lid 550 rotates. When fully closed, the user can feel that the force against the rotation of the lid 550 has become constant and know that the attachment of the lid 550 has been completed.

  While the liquid detergent is discharged from the detergent container 500 into the outer tub 120, the internal pressure of the container part 510 increases, but the sealing performance between the lid 550 and the charging part 520 is improved by the O-ring 570. The liquid detergent does not leak from between the lid 550 and the charging unit 520.

  As described above, in the present embodiment, the container portion and the lid of the detergent container are the double-thread-shaped charging portion double-threaded portion formed in the charging portion and the double-threaded screw formed in the lid. By screwing together with the lid body 2 thread portion of the shape, the 2 thread screw has a screw cut-out position at an opposing position of 180 degrees, so that the lid body is not attached obliquely and is always appropriate. Since it can be attached, it is possible to prevent the liquid detergent from leaking out by loosening the lid body by vibration.

  The washing machine in the present embodiment has not only a washing function for washing clothes but also a drying function for drying clothes, but may be a washing machine that does not have a drying function.

  As described above, the detergent container according to the present invention can always be properly attached by screwing the container part of the detergent container and the lid with a two-thread screw. It is applicable also to the container to store.

500 Detergent Container 510 Container Portion 515 Storage Portion 520 Loading Portion 521 Opening Portion 525 Loading Portion 2 Threaded Portion 526 End Surface 550 Lid Body 552 Closure Portion 553 Lid Outer Surface 554 Lid Inner Surface 555 Protrusion Portion 556 First Protrusion Portion 557 Second Protrusion Portion 560 Inner wall part 561 Lid 2 thread part 570 O-ring (packing)

Claims (5)

In a detergent container for holding a detergent in a washing machine, a container part having a container part for containing the detergent, and a charging part for forming an opening part for charging the detergent into the container part, and the opening part A lid body that is closed, and the lid body includes a lid outer surface that is gripped by a user, a lid inner surface opposite to the lid outer surface, and a two-thread screw-shaped lid body 2 provided on the lid inner surface. A detergent container, comprising: a threaded portion, wherein the feeding portion has a threading portion 2 threaded portion that meshes with the lid 2 threaded portion. The detergent container according to claim 1, further comprising: a closing portion that closes the opening provided in the lid, and an end surface provided in the charging portion that is pressed by the closing portion. An inner wall projecting into the opening provided in the lid, and a packing provided between the inner wall and the inner surface of the lid, and compressing the packing between the end surface and the closing part The detergent container according to claim 2. The detergent container according to any one of claims 1 to 3, wherein the lid has a protruding portion protruding from the outer surface of the lid. The detergent container according to claim 4, wherein the protrusion includes a first protrusion and a second protrusion that protrudes in a direction opposite to the first protrusion.