JP2007277959A - Liquid agent injection instrument - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a liquid agent injection instrument which can inject a liquid agent at the time of flush. <P>SOLUTION: The liquid agent injection instrument 10 which is used for injecting the liquid agent 20 to a toilet bowl of a flush toilet is provided with a liquid-agent storage tank 13, an injection liquid tank 15, a guide means 14, an energizing means 17, a liquid-tank power energizing means, and a liquid-pressurization means. The liquid agent 20 is stored in the liquid-agent storage tank 13, and a predetermined amount of the liquid agent 20 which is sufficient for injection is stored in the injection liquid tank 15. Then the guide means 14 guides the injection liquid tank 15 by possible movement between an infusing position and an injection position P3. The infusing position constitutes a connection structure between the liquid-agent storage tank 13 and the injection liquid tank 15, and the injection position P3 constitutes a connection structure between the injection liquid tank 15 and the outside. Then the energizing means 17 energizes the injection liquid tank 15 so that it positions the injection liquid tank 15 in an infusing position when the injection liquid tank 15 is in an empty state. The liquid-tank power energizing means positions the injection liquid tank 15 in the injection position P3 against the energizing means 17 by making a stream of water at the time of flush a power source. Then the liquid-pressurization means pressurizes the liquid agent 20 in the injection liquid tank 15 and injects the liquid agent 20 to the outside when the injection liquid tank 15 is positioned in the injection position P3. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a liquid agent injection device used for injecting a liquid agent to a toilet of a flush toilet.

  Some washing tanks attached to toilet bowls of flush toilets are provided with a hand-washing section that uses washing water to be replenished in the tank. In these types of tanks, an on-tank toilet cleaner containing liquid, solid or gel cleaning chemicals in a container should be installed in the discharge hole of the hand-washing part, that is, the inflow hole into the tank. Thus, the cleaning water flowing into the tank is brought into contact with the drug to elute the drug in the cleaning water, whereby the drug can be mixed in advance with the cleaning water in the tank.

  In addition, in the case of a tank for washing without a hand washing part, a method in which the drug is solidified with a water-soluble polymer compound and tableted, and the drug is gradually eluted in the wash water by submerging it in the tank. In addition, a method is known in which a fixed medicine is discharged by moving the liquid surface up and down by being suspended in a tank. This is called an in-tank toilet cleaner. In-tank toilet cleaners have been pointed out to have problems such as irregular quantitativeness and clogged piping.

  However, recently, toilet bowls for flush toilets sold by toilet bowl manufacturers are increasing without a flush tank. In such a type of tank, basically, the medicine cannot be mixed in advance with the washing water as described above.

  Some toilet seats with a local cleaning function use water from the tank. If a toilet bowl of this type is installed, considering that the water in the tank directly touches the skin, adding a toilet cleaner chemical to the wash water in the tank can be used for both applications. Unless it was developed with consideration, it is not preferable to use it.

  Therefore, in these types of tanks, an on-tank toilet cleaner or an in-tank toilet cleaner cannot be used.

  On the other hand, in Europe, the United States, Europe, and the like, toilet cleaners of the type that are attached to the opening edge of toilet bowls are commercially available. This type of toilet cleaner is provided at a position where flushing water flows during flushing in the toilet, and the washing water is brought into contact with a liquid, solid or gel washing chemical to elute the chemical into the washing water. is there. However, in this type of toilet cleaner, the drug only elutes along the flow of water, so that the drug only reaches the portion where the toilet cleaner hits the water path and the water seal.

  Patent Document 1 also discloses a holder provided with a suspension means for hanging from the edge of a toilet, a container for an active substance that is detachably connected to the holder, and an edge of the toilet. A cleaning material comprising a porous material disposed in the holder and in communication with the active substance so as to be positioned in the flow path of the water being washed when suspended. A freshening device, the holder having a connection nipple for connection to the discharge opening of the container, so that when it is suspended from the edge of the toilet bowl, the discharge opening is directed downward and the holder is widened And a protrusion having a length substantially corresponding to the width of the suspension means minus the thickness of the toilet shell.

  Patent Document 2 is provided with a tank for an active substance and a suspension means for suspending a plurality of toilet care devices from a toilet rim, whereby the active substance is contained in the toilet bowl by each washing and washing operation. Disclosed is a device having a plurality of toilet care functions distributed in flush water, wherein the tub is provided with at least two compartments for such active substances.

  Patent Document 3 is a device having a toilet care function, and is provided with a reservoir having at least one compartment for active liquid, a liquid collecting element, and fastening means. The liquid collecting element is in constant communication with the contents of at least one compartment during use, and the fastening means is positioned so that the liquid collecting element is located in the toilet flush channel during operation of the device. In such a way that the device is fastened to the toilet bowl, the liquid collecting element comprising a plate, which is provided with liquid collecting means on the surface facing the wash water flow At the same time, the surface of the plate facing away from the washing water flow is also a liquid collecting means, and is in communication with the liquid collecting means on the surface facing the washing water flow through the capillary channel provided on the plate. What has been provided is disclosed.

In Patent Document 4, a medicine storage section that stores a liquid medicine and has a lead-out hole for leading out the medicine, an opening / closing means that opens and closes the lead-out hole, and water by flash is introduced to hold a certain amount of water. A flushing toilet drug supply device disposed on the rim portion of the flush toilet, and having a water storage unit having a drainage port that can be discharged and a supply unit that supplies the water discharged from the discharge port while diffusing Then, it is disclosed that the opening / closing means opens the outlet hole when the water storage part holds a predetermined amount or more of water and mixes the water in the water storage part and the medicine.
JP 2000-314169 A JP-T-2004-520499 JP 2005-515323 A JP 2005-290867 A

  An object of the present application is to provide a liquid injection device capable of injecting a liquid at the time of flushing.

The present invention is a liquid injection device used to inject a liquid into a toilet of a flush toilet,
A liquid storage tank for storing the liquid,
An injection tank for storing a predetermined amount of liquid for injection; and
An injection position in which a communication structure of the liquid agent storage tank and the injection liquid tank is configured to enable injection of the liquid agent from the liquid agent storage tank to the injection liquid tank, and an outside from the injection liquid tank. A guide means for movably guiding between an injection position in which a communication structure between the injection liquid tank and the outside is configured to enable injection of the liquid agent to the outside,
An urging means for urging the injection liquid tank to be positioned at an injection position when the injection liquid tank is empty;
Liquid tank power applying means for applying to the injection liquid tank power for positioning the injection liquid tank at the injection position against the biasing means using the water flow at the time of flash as a power source;
Liquid pressurizing means for pressurizing the liquid agent in the injection liquid tank and injecting the liquid agent outside when the injection liquid tank is positioned at the injection position;
Is provided.

  According to the present invention, a predetermined amount of liquid agent for injection is injected from the liquid agent storage tank into the injection liquid tank at the injection position, and at the time of flushing, the injection liquid tank is positioned at the injection position by the liquid tank power applying means, and the liquid The liquid agent in the injection liquid tank is pressurized by the pressurizing means, whereby the liquid agent can be injected to the outside.

  Hereinafter, embodiments will be described in detail with reference to the drawings.

  FIG. 1 shows a state in which the liquid injection device 10 of this embodiment is attached to a western-style toilet 30 of a flush toilet.

  This liquid injection device 10 is a unit-like device that is used by being attached to the opening edge of the side rear portion of the toilet 30, and an attachment for attaching the appliance main body 11 provided on the inner edge of the toilet 30 to the toilet 30. Part 12.

  2 and 3 show the instrument body 11.

  The instrument main body 11 has a liquid agent storage tank 13 and a cylindrical guide member 14, and an outer shape is formed by them.

  The liquid agent storage tank 13 is formed in, for example, a horizontally long rectangular parallelepiped shape using a resin or the like, and stores a liquid medicine 20. Preferably, the volume of the liquid agent storage tank 13 is 50 to 200 ml. A refill inlet 13a is formed on the upper surface of the liquid agent storage tank 13, and the refill inlet 13a is sealed with a removable cap 13b. A liquid supply hole 13 c is formed in the lower part of one end face of the liquid agent storage tank 13. The cap 13b may be structurally air-flowable in order to send the liquid 20 in the liquid storage tank 13 from the liquid supply hole 13c to an injection liquid tank 15 described later.

  The cylindrical guide member 14 has, for example, a cylindrical shape with a vertically long cross section made of resin or the like, and is formed in a shape in which one end is sealed and the other end is opened, and opens downward and extends in the vertical direction. The liquid agent storage tank 13 is integrally provided on one end surface of the liquid agent storage tank 13 where the liquid supply hole 13c is formed. A slit-shaped opening 14 a is formed on the upper surface of the cylindrical guide member 14 along the side that contacts the liquid agent storage tank 13. A stopper (not shown) protruding inward is provided at the opening end of the cylindrical guide member 14. A cylindrical injection portion 14b that protrudes on the opposite side of the liquid agent storage tank 13 is provided at a lower portion of the cylindrical guide member 14, and an injection hole 14c that communicates with the injection portion 14b is provided inside the cylindrical guide member 14. Is formed. An opening is formed inside the cylindrical guide member 14 so that the liquid supply hole 13c of the liquid agent storage tank 13 is exposed. An injection liquid tank 15 is provided inside the cylindrical guide member 14 so as to be slidable in the vertical direction and to be fitted inside. This cylindrical guide member 14 constitutes a guide means for guiding the injection liquid tank 15 in the length direction, that is, in the vertical direction.

  The injection liquid tank 15 is formed in, for example, a cubic shape that can be fitted into the cylindrical guide member 14 by resin or the like, and includes a liquid tank main body 15a that opens upward and a lid member 15b that is provided in the inner fitting shape. Have. The capacity of the injection liquid tank 15 is preferably 0.5 to 5 ml.

  A lid stopper (not shown) protruding inward is provided at the open end of the liquid tank body 15a. An injection hole 15c is formed on the upper side surface of the liquid tank body 15a on the liquid agent storage tank 13 side, while an extraction hole 15d is formed on the lower side surface on the opposite side. On the side surface of the liquid tank main body 15a on the liquid agent storage tank 13 side, a partition plate 16 formed so as to extend upward continuously from the side surface is provided. A wire insertion hole 15e is formed in the approximate center of the bottom surface of the liquid tank body 15a.

  The injection hole 15c of the liquid tank body 15a overlaps with the liquid supply hole 13c of the liquid agent storage tank 13 when the injection liquid tank 15 is substantially empty or is not more than a specific filling amount by design. The liquid agent storage tank 13 and the injection liquid tank 15 are formed at a position where the communication structure is configured, and the injection hole 15d is engaged with the stopper at the lower end of the tubular guide member 14 in the injection liquid tank 15d. When it does, it overlaps with the injection hole 14c of the cylindrical guide member 14, and it is formed in the position where the communication structure of the injection liquid tank 15 and the exterior is comprised.

  One end of a spring member 17 is joined to the approximate center inside the upper surface of the cylindrical guide member 14, and the spring is connected to the approximate center of the upper surface of the lid member 15b provided in the liquid tank body 15a. The other end of the member 17 is coupled, and the lid member 15 b is provided in a state of being suspended from the upper surface of the cylindrical guide member 14. The spring member 17 is made of a stretchable elastic body such as a metal coil spring or rubber.

  A wire rod 19 is provided so as to extend through the opening of the tubular guide member 14, and a weight member 18 is coupled to one end of the wire rod 19 that extends outward from the tubular guide member 14. At the approximate center of the lower surface of the lid member 15b, the other end that extends inside the cylindrical guide member 14 of the wire 19 and is inserted into the wire insertion hole 15e of the liquid tank body 15a is coupled. The wire member 19 has a rubber seal member 19a so as to seal the wire insertion hole 15e from the bottom surface of the liquid tank body 15a when the cover member 15b is positioned so as to engage with the lid stopper of the liquid tank body 15a. It is provided in an outer fitting shape. In addition, the weight member 18 is comprised by the lump body, ceramics, etc. made from a highly corrosion-resistant metal like stainless steel, for example. The wire 19 is made of, for example, a highly corrosion-resistant metal wire such as a stainless steel wire, a polymer fiber such as a nylon fiber or an aramid fiber, and the like.

  Each of the attachment portions 12 is composed of a pair of attachment members provided so as to extend laterally from the instrument main body 11. Each attachment member is formed in a U-shape that opens downward so that it can engage with the opening edge of the toilet 30.

  Next, the liquid injection operation by the liquid injection device 10 will be described with reference to FIGS.

  As shown in FIG. 1, the liquid injection device 10 is configured such that the attachment portion 12 is engaged with the opening edge of the toilet 30, and the device body 11 is along the inner edge of the toilet 30, so that the injection of the cylindrical guide member 14 is performed. The portion 14b is positioned so as to face the tangential direction of the opening of the toilet 30, and the wire 19 extends from the tubular guide member 14 toward the water seal 31 of the toilet 30, so that the weight member 18 is immersed in water. Installed.

  In this installed state, as shown in FIG. 2, when the liquid agent storage tank 13 is not filled with the liquid agent 20, the injection liquid tank 15 is also empty. In this case, the injection liquid tank 15 has the lid member 15b as a liquid tank. The internal volume is formed by engaging with the lid stopper of the main body 15 a, and is positioned in a state of being suspended from above by the spring member 17 in the cylindrical guide member 14. This spring member 17 constitutes an urging means for urging the injection liquid tank 15 upward. At this time, the liquid supply hole 13c of the liquid agent storage tank 13 and the injection hole 15c of the liquid tank main body 15a overlap each other, whereby a communication structure between the liquid agent storage tank 13 and the injection liquid tank 15 is configured. Further, the partition plate 16 protrudes upward from the slit-shaped opening 14a.

  When the cap 13b of the liquid agent storage tank 13 is removed and the liquid agent 20 of, for example, a cleaning agent, a disinfectant, a fragrance, or a mixture thereof is filled and stored in the liquid agent storage tank 13 from the refill inlet 13a. Due to the communication structure between the storage tank 13 and the injection liquid tank 15, the liquid agent 20 is injected from the liquid agent storage tank 13 into the injection liquid tank 15 (hereinafter, this position of the injection liquid tank 15 constituting the communication structure with the liquid agent storage tank 13 is referred to as this position. "Injection position P1"). At this time, in the liquid tank main body 15a, the pouring hole 15d is sealed by the inner wall of the cylindrical guide member 14, and the wire insertion hole 15e is sealed by the seal member 19a.

  When a predetermined amount of liquid 20 for injection is injected and stored in the injection liquid tank 15, as shown in FIG. 4, the injection liquid tank 15 containing the liquid 20 has the injection liquid tank 15 spring member 17 by its own weight. Against this, it moves downward and stops (hereinafter, this position of the injection liquid tank 15 is referred to as “standby position P2”). This mechanism in which the injection liquid tank 15 descends against the spring member 17 due to its own weight causes the liquid storage tank 13 and the injection liquid tank 15 when a predetermined amount of the liquid 20 is injected from the liquid storage tank 13 into the injection liquid tank 15. The communication blocking means for blocking the communication structure is configured. At this time, in the liquid agent storage tank 13, the liquid supply hole 13 c is sealed by the side surface of the injection liquid tank 15 or the partition plate 16, thereby blocking the communication structure between the liquid agent storage tank 13 and the injection liquid tank 15. The side surface or the partition plate 16 of the injection liquid tank 15 constitutes a leakage prevention means for preventing leakage of the liquid agent 20 from the liquid supply hole 13c when the liquid agent storage tank 15 is located at a position other than the injection position P1. . In the liquid tank main body 15a, the injection hole 15c and the extraction hole 15d are sealed by the inner wall of the cylindrical guide member 14, and the wire insertion hole 15e is sealed by the seal member 19a.

  Then, when flushing, the water flow becomes a power source, and the weight member 18 provided in the water sealing portion 31 receives the driving force along the water flow to move and move, and accordingly the lid member via the wire 19 Although 15b receives a pulling force downward, since the injection liquid tank 15 is sealed, as shown in FIG. 5, the injection liquid tank 15 resists the spring member 17 in a state where the internal liquid agent 20 is pressurized. Moves downward until it engages with a stopper at the lower end of the cylindrical guide member 14. The weight member 18 and the wire 19 are provided with liquid tank power applying means for applying power for positioning the injection liquid tank 15 at the injection position P3 against the spring member 17 by using the water flow at the time of flash as a power source. It is composed. At this time, the injection hole 15d of the liquid tank body 15a and the injection hole 14c of the cylindrical guide member 14 overlap with each other, thereby forming a communication structure between the injection liquid tank 15 and the outside. In the liquid agent storage tank 13, the liquid supply hole 13 c is sealed by the partition plate 16. This partition plate 16 constitutes a leakage prevention means for preventing leakage of the liquid agent 20 from the liquid supply hole 13c when the liquid agent storage tank 15 is located at a position other than the injection position P1. In the liquid tank body 15a, the injection hole 15c is sealed by the inner wall of the cylindrical guide member 14, and the wire insertion hole 15e is sealed by the seal member 19a.

  After the injection liquid tank 15 is positioned at the position where the injection liquid tank 15 is engaged with the stopper, when the weight member 18 is further moved and moved, as shown in FIG. 6, the lid member 15b is in a state where the liquid tank main body 15a is fixed. Moves toward the bottom surface of the liquid tank main body 15a, whereby the liquid agent 20 in the liquid tank main body 15a is pressurized and ejected outside in the form of droplets via the ejection portion 14b of the cylindrical guide member 14 ( Hereinafter, this position of the injection liquid tank 15 that constitutes a communication structure between the injection liquid tank 15 and the outside is referred to as “injection position P3”. When the lid member 15b moves toward the bottom surface of the liquid tank body 15a to pressurize the liquid 20 in the liquid tank body 15a, the injection liquid tank 15 is positioned at the injection position P3. A liquid pressurizing means is configured to pressurize the liquid agent 20 in 15 and inject it outside. At this time, in the liquid agent storage tank 13, the liquid supply hole 13 c is sealed by the partition plate 16. In the liquid tank body 15 a, the injection hole 15 c is sealed by the inner wall of the cylindrical guide member 14. In addition, although the wire insertion hole 15e of the liquid tank main body 15a is not sealed, since the hole diameter is small and the unsealed time is short, the leakage from there can be ignored.

  When the liquid agent 20 is injected and the water flow of the flash becomes weak, the spring member 17 is elastically restored, and the lid member 15b is pulled and moved upward. 7 is formed, the liquid tank body 15a and the injection liquid tank 15 that is substantially empty are configured to move upward and are positioned at the injection position P1 in the cylindrical guide member 14, as shown in FIG. .

  Similarly, as shown in FIG. 8, when the injection liquid tank 15 is positioned at the injection position P1, the liquid agent 20 is injected from the liquid agent storage tank 13 into the injection liquid tank 15, and a predetermined amount of the liquid agent 20 is injected. Then, the injection liquid tank 15 is positioned at the standby position P2, and at the time of flushing, the injection liquid tank 15 is positioned at the injection position P3, and the operation of injecting the injection liquid from the injection liquid tank 15 to the outside is repeated. It is. When the liquid agent 20 in the liquid agent storage tank 13 runs out, the liquid agent 20 is replenished from the refill inlet 13a.

  According to the liquid injection device 10 having the above-described configuration, a predetermined amount of the liquid 20 is injected from the liquid storage tank 13 into the injection liquid tank 15 at the injection position P1, and the injection liquid tank 15 is injected at the time of flushing. While being positioned at the position P3, the liquid agent 20 in the injection liquid tank 15 is pressurized, whereby the liquid agent can be ejected to the outside.

  Moreover, since the liquid injection device 10 is attached to the opening edge of the side rear part of the toilet 30, it does not impair the appearance of the toilet seat when it is used, and it does not get in the way.

  Further, depending on the manner in which the liquid injection device 10 is installed, for example, the liquid agent 20 is placed in various directions such as in the circumferential direction in the toilet 30, in a diagonally inward direction, or in a direction toward the liquid seal portion. It can be injected so as to spread over the entire toilet 30.

  In the above embodiment, the mechanism in which the lid member 15b moves toward the bottom surface of the liquid tank body 15a constitutes the liquid pressurizing means. However, the mechanism is not particularly limited to this, and the capacity can be expanded and contracted. The expansion / contraction mechanism of the injection liquid tank 15 of the conductive container may constitute the liquid pressurizing means.

  In the above embodiment, the liquid supply hole 13c of the liquid agent storage tank 13 and the injection hole 15c of the injection liquid tank 15 overlap to form a communication structure between the liquid agent storage tank 13 and the injection liquid tank 15, and the injection liquid tank 15 The dispensing hole 15d and the injection hole 14c of the cylindrical guide member 14 are overlapped to form a communication structure between the injection liquid tank 15 and the outside. However, the structure is not particularly limited to this, and the injection position In P1, it has an injection valve constituting a communication structure between the liquid agent storage tank 13 and the injection liquid tank 15, and / or an injection valve constituting a communication structure between the injection liquid tank 15 and the outside at the injection position P3. May be.

  In the said embodiment, although it was set as the structure by which the liquid agent 20 is inject | emitted by the droplet form, it is not limited to this in particular, The structure by which the liquid agent 20 is spray-injected in the shape of a mist may be sufficient.

  INDUSTRIAL APPLICABILITY The present invention is useful for a liquid injection device that is used for injecting a liquid into a toilet of a flush toilet.

It is a perspective view which shows the installation state of a liquid agent injection instrument. It is a perspective view which shows the liquid agent injection device of an empty state. It is a disassembled perspective view of a liquid agent injection instrument. It is a perspective view which shows the liquid agent injection instrument of the state by which the injection liquid tank was located in the standby position. It is a perspective view which shows the liquid agent injection instrument of the state by which the injection liquid tank was located in the injection position. It is a perspective view which shows the liquid agent injection instrument of the state which has injected the liquid agent. It is a perspective view which shows the liquid agent injection instrument of the state which the empty injection liquid tank returned to the injection | pouring position. It is a perspective view which shows the liquid agent injection instrument of the state by which the liquid agent was inject | poured from the liquid agent storage tank to the injection liquid tank in the injection | pouring position.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Liquid injection device 13 Liquid storage tank 13c Liquid supply hole 14 Cylindrical guide member (guide means)
14c Injection hole 15 Injection liquid tank 15a Liquid tank body 15b Lid member 15c Injection hole 15d Pour hole 16 Partition plate (leakage prevention means)
17 Spring member (biasing means)
18 Weight member 19 Wire 20 Liquid 30 Toilet 31 Water seal

Claims (11)

A liquid injection device used to inject liquid into a toilet of a flush toilet,
A liquid storage tank for storing the liquid,
An injection tank for storing a predetermined amount of liquid for injection; and
An injection position in which a communication structure of the liquid agent storage tank and the injection liquid tank is configured to enable injection of the liquid agent from the liquid agent storage tank to the injection liquid tank, and an outside from the injection liquid tank. A guide means for movably guiding between an injection position in which a communication structure between the injection liquid tank and the outside is configured to enable injection of the liquid agent to the outside,
An urging means for urging the injection liquid tank to be positioned at an injection position when the injection liquid tank is empty;
Liquid tank power applying means for applying to the injection liquid tank power for positioning the injection liquid tank at the injection position against the biasing means using the water flow at the time of flash as a power source;
Liquid pressurizing means for pressurizing the liquid agent in the injection liquid tank and injecting the liquid agent outside when the injection liquid tank is positioned at the injection position;
Liquid injection device equipped with.   The leak prevention means for preventing leakage of the liquid agent from a portion constituting the communication structure with the injection liquid tank in the liquid agent storage tank when the liquid agent storage tank is located at a position other than the injection position. The liquid medicine injection instrument of description.   The liquid injection according to claim 1, further comprising a communication blocking means for blocking a communication structure between the liquid storage tank and the injection liquid tank when a predetermined amount of liquid is injected from the liquid storage tank into the injection liquid tank. Instruments. The injection position and injection position where the injection liquid tank is guided by the guide means are in a vertical position relationship,
The communication blocking means is configured by a mechanism that, when a predetermined amount of liquid agent is injected from the liquid agent storage tank into the injection liquid tank, the injection liquid tank lowers against the biasing means by its own weight. The liquid injection device according to claim 3.   2. The liquid agent according to claim 1, wherein the communication structure between the liquid agent storage tank and the injection liquid tank is configured by overlapping a liquid supply hole formed in the liquid agent storage tank and an injection hole formed in the injection liquid tank. Injection instrument. The guide means is composed of a cylindrical member, and the injection liquid tank is provided movably in the length direction inside the cylindrical member of the guide means,
2. The communication structure between the injection liquid tank and the outside is configured by overlapping an extraction hole formed in the injection liquid tank and an injection hole formed in a cylindrical member of the guide means. Liquid injection device.   The liquid tank power imparting means includes a weight member that is provided at a water seal in the toilet and receives a propulsive force along a water flow at the time of flushing, and a line member that connects the weight member and the injection liquid tank. The liquid injection device according to claim 1. The injection liquid tank has a liquid tank body opened upward, and a lid member provided in the liquid tank main body so as to be fitted inside,
The liquid injection device according to claim 1, wherein the liquid pressurizing unit includes a mechanism that moves the lid member toward the bottom of the liquid tank body.   The liquid injection device according to claim 8, wherein power for moving the lid member toward the bottom of the liquid tank body is applied by the liquid tank power applying means.   2. The liquid injection device according to claim 1, wherein the liquid pressurizing unit is configured to pressurize the liquid agent in the injection liquid tank by power using a water flow at the time of flushing as a power source.   The liquid injection device according to claim 1, wherein the liquid injection device is configured as a unit that can be attached to an opening edge of a toilet.

Images