JP2005110700A - Toilet for pet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a toilet for pet, settled on the problems that the conventional domestic toilet for pet comprises only cat sand in a container, requires discarding the cat sand, washing the container and replacing the cat sand once a week or per two weeks and so costs much labor, and the cat sand to be discarded is much. <P>SOLUTION: A water-repellent granular object 4 is put into a container 5 having a bottom part of a sheet 7 with a liquid-permeable structure. Under the sheet 7 on the bottom part of the container 5, a liquid-absorptive sheet 8 supported by a supporter 13 is provided and tightly adhered to the sheet. The urine is absorbed in the absorptive sheet 8 through the water repellent granular object 4 and the sheet 7 on the bottom part of container 5. Therefore, no urine is left in the container 5. It is enough to clean the toilet by exchanging the liquid absorptive sheet 8 once a day and to exchange all the granular objects 4 once a month or per two months, so much labor is not required and the quantity of dust can be decreased. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a pet toilet such as a cat or dog, and relates to a pet toilet that can clean the toilet cleanly and easily and can reduce the amount of cat sand discarded as garbage.

  As pet toilets such as cats and dogs kept indoors, a so-called cat sand in a plastic container is generally used.

FIG. 6 is a perspective view showing the entirety of such a pet toilet.
As shown in FIG. 6, the upper surface of the plastic container 1 is open, and a concave portion 1a is formed in the center thereof, and an appropriate amount of cat sand 2 is placed in the concave portion 1a. As the cat sand 2, mineral zeolite or river sand, bentonite that hardens upon absorption of urine, cellulose grains that are formed by solidifying pulverized pulp and the like are generally used. A pet such as a cat enters the recess 1 a of the container 1 across the peripheral edge 1 b of the container and excretes urine, feces, and the like from the cat sand 2. The owner removes the cat sand 2 soiled with urine and stool with a scoop together with the stool, removes it from the container 1, and replenishes it with fresh cat sand.

  However, since cats stir the cat sand with their feet after excretion, the amount of cat sand that becomes dirty with urine and stool increases, and the dirty cat sand 2 is diffused, so that only the dirty part is completely removed. I can't. The zeolite and river sand used as the cat sand 2 do not absorb urine, and bentonite and cellulose particles absorb urine to some extent, but cannot absorb completely. For this reason, urine tends to collect on the bottom of the container through the cat sand. Further, when the cat stirs the cat sand 2, the excrement adheres to the cat's feet and touches the container 1 with the soiled feet with the urine and stool. Cause.

  For this reason, the owner discards all the cat sand 2 in the container 1 once a week or two weeks, cleans the container 1 and dries it, then puts fresh cat sand in the container and cleans the toilet. It is necessary to keep it in good condition.

  Thus, every time the pet excretes urine or stool, the cat sand 2 contaminated with urine or stool must be scooped and removed, and the container 1 is at least once every 1 or 2 weeks. Since all the cat sand 2 inside must be discarded and the container 1 must be washed, it takes time. In addition, when the container is washed or the cat sand is discarded, the pet's urine and feces adhering to the container and the cat sand are caught in the hands, which is not hygienic.

  Moreover, since the cat sand 2 is thrown away every time the pet is excreted or is replaced once every one or two weeks, the amount of the cat sand 2 that becomes garbage is very large. Since mineral sand such as zeolite used as the cat sand 2 is nonflammable, there is a problem that it is difficult to treat it as garbage. On the other hand, since cellulose particles are flammable, they are easier to dispose of than the zeolite. In particular, when particles in which cellulose particles are coated with an adhesive such as a water-absorbing polymer are used, they solidify when urine is absorbed, and it is easy to remove only the portion that has absorbed urine.

  However, when a cellulose particle having a surface coated with a water-absorbing polymer is used, the amount of cat sand discarded as garbage is considerably increased. The amount of cat sand that can be put into the container at one time is roughly 3 to 5 liters. If you replace all the cat sand in the toilet once a week, about 20 liters of cat sand will be collected in a month. Will be put out as. In addition, the amount of urine in cats is about 30cc at a time, and urine is excreted 2 to 3 times a day. However, the cat sand that has absorbed urine is discarded every time it is urinated. That means that more than 20 liters of cat sand 2 is thrown away every month. For this reason, even if garbage is bulky and flammable cat sand, processing is difficult.

  In order to reduce the amount of garbage, it is also considered to use a liquid-absorbing sheet instead of cat sand, but cats, which are typical pets kept indoors, excrete on the sand due to their habits. Like, it does not excrete easily on the sheet. Even if it is excreted on the seat, it sits in a position where its head comes to the center of the seat, so the buttocks are located on the edge of the seat and excreted on the outside of the seat, and the floor outside the seat Will get dirty. For this reason, the floor must be cleaned, and it is not possible to save time.

  SUMMARY OF THE INVENTION The present invention solves the above-described conventional problems, and an object of the present invention is to provide a pet toilet that can be cleaned without dirtying hands and without taking time and can reduce the amount of garbage.

  The pet toilet according to the present invention includes a granular material storage unit that is open at the top and has a liquid passing structure at the bottom, and stores a large number of granular materials, and a liquid absorber that is located below the bottom of the liquid passing structure. And a liquid absorber is installed in the installation part so as to be freely removable.

  In the above, the liquid absorber is a liquid absorbent sheet, and the support on which the liquid absorbent sheet is laid can be detachably installed in the installation section.

  In this case, it is preferable that when the support is installed at the installation portion of the liquid absorber, the liquid-absorbing sheet laid on the support is in close contact with the bottom of the liquid passage structure.

  In addition, a granular material storage part is formed in the container, the container is removably supported by the main body part, and an installation part for the liquid absorber is provided below the support part of the container of the main body part. It can be a structure.

  Furthermore, at least the surface of the granular material is preferably water-repellent and preferably has a deodorizing function.

  In the pet toilet of the present invention, a large number (a predetermined amount) of granular materials are stored in the granular material storage portion having a liquid passage structure at the bottom. As this granular material, a conventional cat sand may be used, but a water-repellent granular material can be used. That is, in this toilet, even if urine passes through the granular body and drops downward from the bottom of the liquid passage structure, it is absorbed by a liquid absorber such as a liquid absorbent sheet located below the urine, A water-repellent material can be used as the granular material.

  As the water-repellent granular material, a cylindrical or spherical shape having an outer diameter of about 2 mm to 4 mm formed of a resin such as polypropylene (PP) or an inorganic material such as synthetic zeolite, natural zeolite, or glass. Can be used. In addition, it is preferable to incorporate an antibacterial agent such as silver, copper or zinc into a water-repellent granule formed of a resin such as PP or an inorganic material to obtain an antibacterial granule. Moreover, it is also preferable to use what made the surface of particle | grains, such as a cellulose, water-repellent treatment as a combustible granular material. Examples of the water repellent treatment of the cellulose particle surface include a method of forming a silicon film on the surface of the granular material by impregnating or adhering silicon to the surface of the granular material and thermally curing the silicon. .

  Moreover, as a granular material, what has a deodorizing function is especially preferable. Specifically, a deodorant can be kneaded into the water-repellent granules formed of the PP grains or the like, or the surface of the granules can be used.

  Examples of the deodorant herein include those that neutralize the ammonia odor that causes urine odor, and those that suppress urine rot and reduce urine odor. Examples of neutralizing ammonia include organic acids such as aliphatic carboxylic acids and artificial enzymes such as metal phthalocyanines. Those that suppress urine decay are generally called antibacterial agents, and for example, thiazoline, organic halogen, and silver zeolite antibacterial agents are used. Alternatively, the granular material may be impregnated or mixed with a liquid deodorant such as an amphoteric activator or a flavonoid.

  As the liquid absorber installed below the granular material storage unit, for example, a liquid absorbent sheet such as non-woven fabric, paper, or cotton in sheet form is mainly used. The liquid absorbing sheet is laid on a support made of plastic or the like, and is disposed below the granular material installation portion of the liquid passage structure. More preferably, a liquid-impervious sheet made of polypropylene resin or the like is laminated on the back surface of the liquid-absorbing sheet to form a liquid-impermeable structure.

  Further, as the liquid absorber, a water absorbent resin, a water absorbent material such as silica gel, pulverized pulp, or the like may be used. In this case, these liquid absorbers are accommodated in the concave portion of the tray (support) having a concave portion formed in the center, and are disposed below the granular material accommodating portion. Moreover, you may store a deodorizer with the said liquid absorber.

  This pet toilet has a lot of granular material treated like conventional cat sand, so pets such as cats naturally enter the toilet and excrete urine and feces on the granular material. Can do. When the water-repellent granular material is used, urine is not absorbed by the granular material, and reaches the bottom of the granular material storage section through the gap between the water-repellent granular materials. Since the bottom has a liquid passage structure such as a mesh or a net, urine passes through the bottom and is absorbed by a liquid absorber such as a liquid absorbent sheet below the bottom. Therefore, it is not necessary to discard the granular material every time urine is used, and the liquid absorber may be replaced about once a day. For this reason, the trouble of cleaning the toilet can be saved. Furthermore, when a liquid absorbent sheet is used as the liquid absorber, the amount of dust per day is equivalent to one sheet, so the amount of dust can be reduced.

  In addition, when a liquid absorbent sheet is used as the liquid absorbent, urine adheres to the bottom of the mesh-like or net-like granular container when the liquid absorbent sheet is brought into close contact with or substantially in close contact with the bottom of the liquid passage structure. Urine is reliably absorbed by the liquid absorbent sheet.

  Further, since the amount of urine adhering to the water-repellent granular material is very small, it is less likely to generate a bad odor as compared with the case of using conventional cat sand. Further, as it is used, feces and urine adhere to the water-repellent granular material, but if a granular material having a deodorizing function is used, malodor can be removed to some extent. Moreover, it is hygienic when the granular material is subjected to antibacterial treatment.

  Moreover, in order to remove the dirt adhering to the water-repellent granular material, the granular material is washed by applying a cleaning liquid on the water-repellent granular material at a rate of once every one to two weeks. Can be used for a long time.

  In addition, the water-repellent granular material may be replaced with a new one once every one or two months. In this case, if a container having a bottom formed of a flexible plastic having a liquid passage structure is used as the granular material storage unit, the entire container can be replaced. Further, if the container is formed of cardboard or the like whose surface has been subjected to water repellent treatment, the granular material can be discarded together with the container. In this case, if the granular material is made flammable, such as cellulose that has been subjected to water repellent treatment, the container and the granular material can be incinerated together.

  In the present invention, since urine can be absorbed by the liquid absorber placed under the granular material, frequent replacement of cat litter is not necessary, and cleaning is easy. In particular, if the liquid absorber is configured to be in close contact with the bottom of the liquid permeable structure of the granular material installation part, the urine in the granular material installation part is surely transmitted to the absorber, and the urine remaining in the granular material installation part is removed. It can be reduced and odor can be prevented. Further, since the granular material can be used for a long time, the amount of dust can be reduced.

  FIG. 1 is a perspective view showing the entirety of a pet toilet according to the present invention, FIG. 2 is a sectional view of the pet toilet, and FIGS. 3A and 3B are perspective views of a container serving as a granular material storage unit.

  Reference numeral 4 denotes a water-repellent granular material. This water-repellent granular material 4 was formed by kneading an inorganic antibacterial material such as silver, copper, or zinc metal into a plastic material such as polypropylene (PP), synthetic zeolite, natural zeolite, or glass-based material. It is a water-repellent grain. Alternatively, as the flammable granular material 4, by forming a silicon film on the surface of the granular material by impregnating or adhering silicon to the surface of the particle formed of cellulose, for example, and thermally curing the silicon. The water-repellent treatment or the water-repellent treatment and the antibacterial treatment may be used.

  Or what has a deodorizing function as the said granular material 4 is preferable. It is possible to use a deodorant kneaded in a water-repellent granule formed of PP grains or the like, or a granule surface coated with a deodorant. Examples of the deodorizer include those that neutralize the ammonia odor that causes urine odor, and those that suppress urine rot and reduce urine odor. Examples of neutralizing ammonia include organic acids such as aliphatic carboxylic acids and artificial enzymes such as metal phthalocyanines. Those that suppress urine decay are generally called antibacterial agents, and in the present invention, for example, thiazoline-based, organic halogen-based, and silver zeolite-based antibacterial agents are used. Alternatively, the granular material may be impregnated or mixed with a liquid deodorant such as an amphoteric activator or a flavonoid.

  These granular materials 4 have, for example, a spherical shape or a cylindrical shape shown in each drawing. The outer diameter of the granule 4 is about 2 mm to 4 mm. When the size is about this, the granule 4 does not enter between the claws of a pet such as a cat.

  The water-repellent granular material 4 is stored in a container 5 and used. The container 5 is made of plastic or cardboard whose surface is water-repellent. When the granular material 4 is a plastic material such as PP, the container 5 may be made of plastic, but when the granular material 4 is combustible mainly composed of cellulose or the like, the container 5 is also made of paper. It is preferable that the container 5 and the granular material 4 can be incinerated together after use. Alternatively, the container 5 may be formed of a flexible plastic made of polypropylene, polyethylene resin, or the like so that it can be disposed of together with the noncombustible granular material 4 as noncombustible garbage.

  As shown in FIG. 3 (B), a flange part (saddle part) 5a is formed around the opening of the container 5, and in a state where a predetermined number of granular materials 4 are put in the container 5, The sealing material 6 may be attached to the flange portion 5a, and the sealing material 6 may be peeled off immediately before use. The sealing material 6 is a film or the like, and is adhered to the flange portion 5a so as to be peelable by a hot melt adhesive or the like.

  The granular material 4 is stored in the granular material storage portion 5b of the container 5, and as shown in FIG. 3A, the bottom 5c of the granular material storage portion 5b has a mesh-like or net-like liquid permeable structure. The sheet 7 is stretched. The liquid-permeable structure sheet 7 is preferably water-repellent. However, a porous plate may be provided on the bottom portion 5 c, and this plate may be formed integrally with the container 5. Alternatively, the container 5 may be formed of a relatively thin resin sheet, and a plurality of holes may be formed in the bottom portion 5c of the container 5 so that the bottom portion has a liquid permeable structure.

  As shown in FIG. 1, the container 5 is installed in the main body 10. The main body 10 is made of plastic and has an upper opening. A support base 10a is formed in a frame shape on the inner surface of the main body 10, and a rectangular installation hole 10b is opened in the support base 10a. The storage part 5b of the container 5 is inserted into the installation hole 10b, the flange part 5a is placed on the upper surface of the support base 10a, and the container 5 is supported in the main body part 10.

  The lower part of the main body 10 is an installation part 11 for a liquid absorber. An opening 11 a is formed in front of the liquid absorber installation portion 11. A bottom plate 12 is provided in the installation portion 11 of the liquid absorber. The bottom plate 12 is formed integrally with the main body portion 10, and is formed substantially parallel to the support base 10 a and over the entire bottom portion of the installation portion 11. The bottom plate 12 is continuous with the horizontal portion 12a parallel to the support base 10a, the inclined portion 12b that is provided continuously with the horizontal portion 12a and is inclined upward toward the installation hole 10b, and the back of the inclined portion 12b. The stopper portion 12c is provided. In addition, a gap 12 d is formed between the end portion of the stopper portion 12 c on the inner wall side of the main body portion 10 and the inner wall surface of the main body portion 10. Further, the bottom plate 12 is formed with a pair of guide grooves 12e extending from the opening 11a of the installation portion 11 to the back side at positions spaced apart from both side walls of the main body portion 10a.

  On the bottom plate 12, a support 13 on which a liquid absorbing sheet is laid is installed. The support 13 has a flat plate shape made of plastic, and is formed with latching portions 13a protruding downward on both sides of the front end portion, and at the middle position in the width direction, as well as the latching portion 13a. A protruding projecting portion 13d is formed. And the rear-end part is the leg part 13b with a large dimension of a height direction. The upper surface of the support 13 is a flat laying surface 13c, and the liquid absorbing sheet 8 is laid on the laying surface 13c.

  The liquid absorbent sheet 8 is, for example, a sheet of non-woven fabric, paper, or cotton made into a sheet, or a sheet in which a highly water absorbent resin is sandwiched between sheets. The liquid absorbing sheet 8 is laid with the surface capable of absorbing liquid facing upward. A liquid-impervious sheet made of a resin such as polypropylene is bonded to the back surface of the liquid-absorbing sheet 8 or is coated with a liquid-impervious resin. The liquid absorbent sheet 8 may simply be placed on the laying surface 13c of the support 13, or the back surface of the liquid absorbent sheet 8 may be fixed to the laying surface 13c with a double-sided adhesive tape or the like.

  Or what is shown to FIG. 4 (A) (B) as a support body 13 is good to use. In the case shown in FIG. 4A, holes 13 e are formed at each corner of the laying surface 13 c of the support 13. Four corners of the liquid absorbing sheet 8 are placed on the holes 13e. Then, a latching member 13f is applied from above the four corners of the liquid absorbent sheet 8, and the latching member 13f is fitted into the hole 13e with the liquid absorbent sheet 8 interposed therebetween. As a result, the four corners of the liquid absorbent sheet 8 are securely fixed to the support 13.

  Further, as shown in FIG. 4B, insertion holes 13g are formed at four corners of the laying surface 13c, and corners of the liquid absorbent sheet 8 are inserted into the respective insertion holes 13g, and the liquid absorbent sheet 8 is supported by the support body. You may fix to 13.

  4A and 4B, the liquid absorbent sheet 8 can be fixed to the support 13 without attaching an adhesive tape to the back surface of the liquid absorbent sheet 8. Further, when the support 13 is inserted into or removed from the installation portion 11, the liquid absorbent sheet 8 is not displaced or wrinkled on the laying surface 13 c of the support 13.

  As shown in FIG. 2, the support 13 is installed in a state where the flange 5a of the container 5 is placed on the support 10a in the main body 10 or before the container 5 is installed. 11 is installed. In this installation operation, the front end portion side of the support 13 is inserted from the opening portion 11 a and the front end portion is placed on the horizontal portion 12 a of the bottom plate 12.

  As shown by a chain line in FIG. 2, when the front end portion is inserted from the opening portion 11a, there is a margin space above the horizontal portion 12a of the guide member 12, so that the front end portion can be inserted relatively rough. . When the support body 13 is inserted as it is, the front end portion reaches the inclined portion 12b from the horizontal portion 12a of the bottom plate 12, and the front end portion is lifted toward the installation hole 10b. At this time, the sliding protrusion 13d at the front end of the support 13 enters the guide groove 12e, and when the support 13 is inserted into the installation part 11, the sliding protrusion 13d becomes the guide groove 12e. Since the inside slides, the support 13 is reliably guided into the installation portion 11. Therefore, it is easy to insert the support 13 into the installation part 11.

  When the support 13 is further pushed in, the latching portion 13a at the front end is placed on the stopper portion 12c on the back side of the inclined portion 12b, and the latching portion 13a is inserted into the gap 12d and fixed. At this time, the leg 13b at the rear end of the support 13 is placed on the horizontal portion 12a, and the laying surface 13c of the support 13 is lifted to a position in close contact with the installation hole 10b. In this state, the laying surface 13c of the support 13 is in a horizontal orientation, and the liquid absorbing sheet 8 laid on the laying surface 13c is almost in close contact with the liquid permeable structure sheet 7 on the bottom 5c of the container 5.

  Further, when the support body 13 is taken out, if the support body 13 is pulled out in a substantially horizontal direction, the front end portion of the support body 13 descends along the inclined portion 12b immediately after the support body 13 is pulled out. Away from the bottom 5c. Therefore, the liquid absorbent sheet 8 on the laying surface 13c of the support 13 to be pulled out is not given any wrinkles or hooks, and can be reliably taken out together with the support 13 without the liquid absorbent sheet 8 being displaced. .

  Further, a cover 14 is put on the main body 10 as necessary. An inlet 14a is formed in the cover 14, and the inlet 14a and the recess 10c formed in the main body portion 10 coincide with each other to serve as an entrance for a pet such as a cat.

  For example, when a cat uses, it enters the container 5 from the inlet 14a. At this time, the weight of the cat is supported by the bottom 5c of the container 5, the support 13 and the bottom plate 12. Therefore, even if the strength of the bottom 5c of the container 5 is weak, the weight of the cat can be sufficiently supported.

  Further, in order to support the weight of the cat, for example, as shown in FIG. 5, a concave portion 10d integrally formed downward from an installation hole 10b of the support base 10a provided in the main body 10 is formed. The bottom surface 10e of the recess 10d may have a structure in which a large number of holes 10f are opened in a mesh shape. In this case, when the container 5 is installed, the depth of the recess 10d is set so that the bottom 5c of the liquid permeable structure of the container 5 can be brought into close contact with the bottom 10e.

  In the case shown in FIG. 5, when the weight of a cat or the like is given to the bottom 5c of the container 5, this weight is supported by the bottom 10e having a strong structure, so that the bottom 5c of the container 5 is deformed or the sheet 7 is No worries about tearing. Further, the weight of the cat or the like is received by the bottom surface 10e, and the weight of the cat is not directly applied to the support body 13, so that the structure of the support portion of the support body 13 can be simplified. For example, as shown in FIG. 5, guide members 14 having a small width are formed on both inner walls of the installation portion 11, and the support 13 can be guided into the installation portion 11 by the guide members 14. There is no problem with the support strength of the.

  Since the granular material 4 is placed in the container 5, the cat naturally excretes urine and feces on the granular material 4. When the stool is excreted, the stool is removed with a scoop together with the granular material 4 around the stool. The excreted urine is not absorbed by the water-repellent granular material 4, passes through the gaps of the particles of the water-repellent granular material 4, reaches the bottom of the container 5, passes through the sheet 7 having a liquid-permeable structure, and then absorbs the liquid. 8 is absorbed.

  As shown in FIG. 2, urine remains on the sheet 7 when the liquid absorbent sheet 8 is substantially in close contact with the sheet 7 on the bottom 5 c of the container 5 with the support 13 installed on the installation unit 11. The urine is reliably transmitted to the liquid absorbent sheet 8 and absorbed. In addition, as shown in FIG. 5, it is preferable that the liquid absorbent sheet 8 is in close contact with the lower surface of the bottom surface 10 e even when the bottom 5 c of the container 5 is supported by the bottom surface 10 e of the recess 10 d. In this structure, urine remaining in the bottom 5c of the container 5 is transmitted to the bottom surface 10e, and further transmitted to the liquid absorbent sheet 8 through the peripheral edge of the hole 10f.

  In this way, if the liquid absorbent sheet 8 is in direct or indirect contact with the bottom 5c of the container 5 so that urine is easily transmitted to the liquid absorbent sheet 8, the urine remaining in the container 5 becomes very small, Odor generation due to urine remaining in the container 5 can be prevented. Moreover, when the thing which has a deodorizing function as the granular material 4 is used, generation | occurrence | production of malodor from the container 5 can be prevented.

  The liquid absorbent sheet 8 is replaced with a new one at a rate of about once a day, for example, but this replacement operation is simple because the support 13 can be pulled out and replaced with a new one.

  Further, since the water-repellent granular material 4 does not absorb urine, it is not necessary to replace cat sand every time urination is performed, and the liquid-absorbing sheet 8 having absorbed urine may be replaced about once a day. In this way, the amount of dust generated in a day is equivalent to one liquid-absorbing sheet, so the amount of dust can be reduced. Moreover, the dirty granular material 4 can be washed with a detergent. At this time, when the cleaning liquid is poured into the container 5, the granular body 4 is cleaned, and the cleaned cleaning liquid is absorbed by the liquid absorbent sheet 8 located therebelow. Therefore, the cleaning operation is easy.

  Alternatively, a tray may be used in place of the support 13, and a liquid absorbing member such as pulverized pulp, cotton, or silica gel may be accommodated in the recess of the tray and placed in the installation unit 11. Or you may store a deodorizer with the said pulverized pulp.

The whole perspective view of the pet toilet of the present invention, A longitudinal sectional view of the pet toilet of the present invention, (A) (B) is a perspective view of a container for storing a granular material, (A) (B) is a perspective view which shows other embodiment of a support body, The perspective view which shows other embodiment of a main-body part, A perspective view showing a conventional pet toilet,

Explanation of symbols

4 Water-repellent granular material 5 Container 5a Flange portion 5b Granular storage portion 5c Bottom portion 6 Sealing material 7 Liquid-permeable structure sheet 8 Liquid absorbing sheet 10 Main body portion 10a Support base 10b Installation hole 10d Recess 10e Bottom surface 10f Hole 11 Liquid absorption Body installation part 12 Bottom plate 13 Support

Claims (6)

  The upper part is open and the bottom part has a liquid passage structure, and a granular body storage part in which a large number of granular bodies are stored, and the installation part of the liquid absorber located below the bottom part of the liquid passage structure, A pet toilet characterized in that an absorber is installed in the installation section so as to be freely removable.   The pet toilet according to claim 1, wherein the liquid absorbent is a liquid absorbent sheet, and the support on which the liquid absorbent sheet is laid is detachably installed in the installation section.   The pet toilet according to claim 2, wherein when the support is installed at the installation portion of the liquid absorber, the liquid-absorbing sheet laid on the support substantially adheres to the bottom of the liquid passage structure.   The granular material storage part is formed in a container, the said container is supported by the main body part so that removal is possible, and the installation part of the said liquid absorber is provided in the main body under the said container. Pet toilet according to any one.   The pet toilet according to any one of claims 1 to 4, wherein at least the surface of the granular material is water-repellent.   The pet toilet according to any one of claims 1 to 5, wherein the granular material has a deodorizing function.

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