US20070271693A1 - Movable Floor Pool and Method of Cleaning Movable Floor Pool - Google Patents

Movable Floor Pool and Method of Cleaning Movable Floor Pool Download PDF

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Publication number
US20070271693A1
US20070271693A1 US11/663,197 US66319705A US2007271693A1 US 20070271693 A1 US20070271693 A1 US 20070271693A1 US 66319705 A US66319705 A US 66319705A US 2007271693 A1 US2007271693 A1 US 2007271693A1
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United States
Prior art keywords
water flow
movable floor
pool
water
rotational
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US11/663,197
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English (en)
Inventor
Shigeru Yotsuyanagi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yotsuyanagi Co Ltd
Original Assignee
Yotsuyanagi Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yotsuyanagi Co Ltd filed Critical Yotsuyanagi Co Ltd
Assigned to YOTSUYANAGI CO., LTD. reassignment YOTSUYANAGI CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: YOTSUYANAGI, SHIGERU
Publication of US20070271693A1 publication Critical patent/US20070271693A1/en
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/12—Arrangements in swimming pools for teaching swimming or for training
    • A63B69/125—Devices for generating a current of water in swimming pools
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/06—Safety devices; Coverings for baths
    • E04H4/065—Floors adjustable in height
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/12—Devices or arrangements for circulating water, i.e. devices for removal of polluted water, cleaning baths or for water treatment

Definitions

  • the present invention relates to a movable floor pool and a method of cleaning the movable floor pool.
  • Movable floor pools as disclosed in, for example, patent document 1 have been known as a swimming pool whose water depth can be suitably changed. As shown in FIG. 6 , this movable floor pool has a movable floor 120 which is vertically movable and placed inside a pool body 110 , and the height of the movable floor 120 is adjusted by an ascending and descending apparatus 130 so that the water depth of the pool can be changed.
  • a water cleaning apparatus for movable floor pools as disclosed in patent document 2 is known as an apparatus for overcoming such a problem.
  • This apparatus leads the pool water contained in the underfloor space formed under the movable floor in a movable floor pool and the pool water above the movable floor independently into a sterilizing apparatus and a filtering device to clean the pool water by removing bacteria and viruses floating in the water.
  • Patent document 1 Japanese Unexamined Patent Publication No. 7-166727
  • Patent document 2 Japanese Unexamined Patent Publication No. 1-299964
  • the pool water needs to be discharged from the movable floor pool and then a person needs to go into the space under the movable floor and manually remove contaminants such as foreign objects and slimy matter deposited on portions such as the back side of the movable floor, which requires great efforts.
  • the present invention was made to overcome such problems, and an object of the present invention is to provide a movable floor pool and a method of cleaning the movable floor pool in which the underfloor space formed under the movable floor can be kept clean.
  • a movable floor pool having a pool body for containing water and a movable floor which is movable vertically along the side wall of the pool body and a water flow generation means for generating a rotational flow in the water contained in the space formed under the movable floor.
  • a water outlet is provided at the bottom of-the pool body and the water outlet is disposed in such a manner that it approximately coincides with the rotational center of the rotational flow formed by the water flow generation means in plan view.
  • the water flow generation means is a rotational water flow generation apparatus for generating a water flow by the rotation of a plurality of rotation blades. It is preferable that a plurality of the rotational water flow generation apparatuses are preferably disposed in the vicinity of the side walls of the pool body so that the water flow generated by the rotational water flow generation apparatuses flows along the side wall of the pool body.
  • the above-mentioned object of the present invention is achieved by a method of cleaning a movable floor pool having a pool body for containing water and a movable floor which is movable vertically along the side wall of the pool body, the method having a step of generating a water flow for generating a rotational flow in the water contained in the space formed under the movable floor.
  • a movable floor pool in which the underfloor space formed under the movable floor can be kept clean and a method of cleaning the movable floor pool can be provided.
  • FIG. 1 is a schematic structural sectional view showing the movable floor pool according to the present invention.
  • FIG. 2 is a structural outline plan view of the underfloor space formed under the movable floor of the movable floor pool according to the present invention.
  • FIG. 3 is a schematic structural view showing an example of the water flow generation means constituting the movable floor pool according to the present invention.
  • FIG. 4 is a structural outline plan view showing another variant of the movable floor pool according to the present invention.
  • FIG. 5 is a structural outline plan view showing another variant of the movable floor pool according to the present invention.
  • FIG. 6 is a perspective view showing a known movable floor pool.
  • FIG. 1 is a schematic structural sectional view showing the movable floor pool according to this embodiment
  • FIG. 2 is a schematic structural plan view showing the underfloor space formed under the movable floor of the movable floor pool. It should be noted that the ascending and descending apparatus, which is shown in FIG. 1 , is omitted in FIG. 2 .
  • the movable floor pool according to this embodiment 1 has a pool body 10 for containing water, a movable floor apparatus 20 and a water flow generation means 30 .
  • the pool body 10 is formed in the shape of a rectangle in plan view as shown in FIG. 2 , and a water outlet 12 for discharging the water contained in the pool body 10 is provided at its bottom 11 .
  • This water outlet 12 is provided approximately at the center of the bottom 11 of the pool body 10 in such a manner that it approximately coincides with the rotational center in plan view of a rotational flow R formed by the water flow generation means 30 , as described later.
  • a circulation path for returning the water discharged from the water outlet 12 to the space above the movable floor 27 formed above the movable floor 21 is connected at the water outlet 12 (not shown).
  • This circulation path has a filtering device for removing foreign objects and other substances by filtering the water discharged from the water outlet 12 and a chlorine injection device for injecting chlorine which kills bacteria and pest insects living in the water contained in the pool body 10 .
  • the movable floor apparatus 20 has the movable floor 21 and an ascending and descending apparatus 22 for vertically moving the movable floor 21 along the side wall 14 of the pool body 10 .
  • the movable floor 21 has an opening portion 24 for placing the water flow generation means 30 in the space 23 under the movable floor formed under the movable floor 21 and a lid 25 which covers the opening portion 24 and is freely openable and closable.
  • the ascending and descending apparatus 22 is placed in the space 23 under the movable floor, and its upper part is connected to the back side 21 a of the movable floor 21 .
  • the height of the movable floor 21 can be adjusted and the water depth of the pool can be changed by the vertical movement of this ascending and descending apparatus 22 .
  • the water flow generation means 30 is a means for generating a rotational flow by generating a water flow in the water contained in the space 23 under the movable floor formed under the movable floor 21 , and is placed in the space 23 under the movable floor.
  • This embodiment as shown in FIG. 2 , is constituted in such a manner that a plurality of water flow generation means 30 are disposed in the vicinity of the side wall 14 of the pool body 10 so that the water flow formed by the water flow generation means 30 becomes the rotational flow R in a certain direction along the side wall 14 of the pool body 10 .
  • the water flow generation means 30 is accommodated in a case 35 which is formed by combining a mesh plate, as shown in FIG. 3 .
  • Examples of the water flow generation means 30 include rotational water flow generation apparatuses which generate a water flow by the rotation of a plurality of rotation blades such as underwater mixers and underwater pumps.
  • FIG. 3 shows an underwater mixer as an example of the water flow generation means 30 .
  • the underwater mixer is constituted in such a manner that the water can be transferred from left to right in FIG. 3 by rotating rotation blades 31 .
  • the rotation blades 31 are rotated by the driving of a motor (not shown) connected to a power supply cable 32 .
  • the water flow generation means 30 is driven, and a water flow is generated in the water contained in the space 23 under the movable floor formed under the movable floor 21 .
  • the water flow generated by the water flow generation means 30 forms the rotational flow R flowing along the side wall 14 of the pool body 10 in the space 23 under the movable floor. Since this rotational flow R is formed by combining water flows generated by a plurality of water flow generation means 30 , the flow is maintained by almost constant momentum and becomes smooth.
  • the water outlet 12 for discharging water is provided at the bottom 11 of the pool body 10 which approximately coincides with the rotational center in plan view of the rotational flow R formed by the water flow generation means 30 . Therefore, the rotational flow R forms a vortex which turns in a certain direction and at the same time flows toward the water outlet 12 .
  • the water flow generation means 30 Since the water flow generation means 30 generate the rotational flow R compulsorily in the water contained in the space 23 under the movable floor, contaminants such as foreign objects and slimy matter deposited on the back side 21 a of the movable floor 21 , the bottom 12 of the pool body 10 , the ascending and descending apparatus 22 and other portions can be peeled off and removed by the momentum of this rotational flow R.
  • the removed foreign objects, slimy matter and the like are carried by the vortex mentioned above toward the water outlet 12 , passes through the water outlet 12 and are filtered by the filtering device on the circulation path (not shown) to be collected.
  • the water which has passed through the water outlet 12 and has become free of foreign objects due to filtration by the filtering device on the circulation path (not shown) is led to the space above the movable floor 27 along with chlorine injected from the chlorine injection device.
  • Chlorine led into the space above the movable floor 27 passes through the gap between the movable floor 21 and the side wall 14 of the pool body 10 and enters the space 23 under the movable floor.
  • Chlorine which has entered the space 23 under the movable floor is dispersed throughout the space 23 under the movable floor by the water flow formed by the water flow generation means 10 . Therefore, bacteria and pest insects living in the space 23 under the movable floor can be efficiently killed.
  • the movable floor pool 1 of this embodiment unlike in known ones, contaminants such as foreign objects and slimy matter deposited on the back side 21 a of the movable floor 21 , the side wall 14 of the pool body 10 in the space 23 under the movable floor and the bottom 12 of the pool body 10 can be surely removed without manual removal of foreign objects and slimy matter by a person going into the space 23 under the movable floor formed under the movable floor 21 , and the space 23 under the movable floor formed under the movable floor 21 can be kept clean. As a result, propagation of pest insects such as bloodworms and mosquito larvae in the space 23 under the movable floor can be prevented.
  • the rotational flow R formed by the water flow generation means 30 hits the back side 21 a of the movable floor 21 , the side wall 14 of the pool body 10 in the space 23 under the movable floor, the bottom 12 of the pool body 10 , the ascending and descending apparatus 22 and other portions, deposition of slimy matter, foreign objects, etc., on these portions can be effectively prevented, and the space 23 under the movable floor can be kept clean.
  • stagnation of the water contained in the space 23 under the movable floor can be prevented by generating a water flow of the water contained in the space 23 under the movable floor by the water flow generation means 30 , whereby propagation of pest insects such as bloodworms and mosquito larvae in the space 23 under the movable floor can be prevented.
  • the water flow generation means 30 is placed in the space 23 under the movable floor immediately after the completion of the movable floor pool so that a water flow is generated in the water contained in the space 23 under the movable floor, infestation of these pest insects can be prevented.
  • chlorine which is led from the chlorine injection device on the circulation path to the space above the movable floor 27 and passes through the gap between the movable floor 21 and the side wall 14 of the pool body 10 and enters the space 23 under the movable floor can be dispersed throughout the space 23 under the movable floor by the water flow formed by the water flow generation means 30 . Therefore, bacteria and pest insects living in the space 23 under the movable floor can be efficiently killed.
  • the rotational flow R flowing along the side wall 14 of the pool body 10 is formed and the water outlet 12 is provided on the bottom 11 of the pool body 10 in such a manner that it approximately coincide with the rotational center in plan view of this rotational flow R. Accordingly, a vortex flowing throughout the space 23 under the movable floor can be formed. As a result, foreign objects and slimy matter deposited on the back side 21 a of the movable floor 21 , the bottom 11 of the pool body 10 and other portions can be peeled off and removed in all areas of the space 23 under the movable floor, and also contaminants such as the peeled and removed foreign objects and slimy matter can be efficiently collected to be discharged from the water outlet 12 .
  • a rotational water flow generation apparatus which generates a water flow by the rotation of a plurality of rotation blades as the water flow generation means 30 and disposing this rotational water flow generation apparatus in the vicinity of the side wall 14 of the pool body 10 in the space 23 under the movable floor so that the rotational flow R is formed allows the water flow generation means 30 to be readily installed also in existing movable floor pools, whereby foreign objects and slimy matter deposited on the back side 21 a of the movable floor 21 and the bottom 11 of the pool body 10 can be removed and the space 23 under the movable floor can be kept clean.
  • the water flow generation means 30 in this embodiment is a rotational water flow generation apparatus which transfers water by the rotation of a plurality of rotation blades 31 .
  • pest insects such as mosquito larvae floating in the transferred water can be cut and killed by the rotation of the rotation blades 31 , efficiently killing pest insects.
  • FIG. 2 a plurality of water flow generation means 30 are disposed in the space 23 under the movable floor.
  • a single water flow generation means 30 may be disposed as shown in FIG. 4 .
  • this embodiment is constituted in such a manner that a water flow is generated by the water flow generation means 30 placed in the space 23 under the movable floor, but it is not particularly limited to such a constitution.
  • a constitution in which a jet is discharged from the side wall 14 of the pool body 10 under the movable floor 21 into the space 23 under the movable floor to generate a water flow can be also employed.
  • this embodiment is constituted in such a manner that a single rotational flow R which turns along the side wall 14 of the pool body 10 in the space 23 under the movable floor is formed, but it is not limited to such a constitution.
  • water flows ejected from the water flow generation means 30 may be caused to collide with each other to form a plurality of rotational flows R 1 , R 2 , R 3 and R 4 .
  • the water outlet 12 is provided on the bottom 11 of the pool body 10 in such a manner that it approximately coincides with the rotational center in plan view of the rotational flow R formed by the water flow generation means 30 , but it is not limited to such a constitution
  • the water outlet 12 may be provided at the bottom 11 of the pool body 10 remote from the rotational center of the rotational flow R in plan view.
  • the action of the rotational flow R formed by the water flow generation means 30 allows peeling and removing foreign objects, slimy matter and the like deposited on the back side 21 a of the movable floor 21 and the side wall 14 of the pool body 10 in the space 23 under the movable floor, and discharging of the removed foreign objects, slimy matter and the like from the water outlet 12 .
  • the space 23 under the movable floor can be thus kept clean.
  • the pool body is formed in the shape of a rectangle in plan view.
  • the configuration of the pool body is not limited to such a constitution.
  • the configurations such as a circle in plan view or an ellipse in plan view may be employed.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Water Supply & Treatment (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Biological Treatment Of Waste Water (AREA)
  • Cleaning By Liquid Or Steam (AREA)
US11/663,197 2004-09-24 2005-09-16 Movable Floor Pool and Method of Cleaning Movable Floor Pool Abandoned US20070271693A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004-276491 2004-09-24
JP2004276491 2004-09-24
PCT/JP2005/017124 WO2006033294A1 (ja) 2004-09-24 2005-09-16 可動床プールおよび可動床プールの浄化方法

Publications (1)

Publication Number Publication Date
US20070271693A1 true US20070271693A1 (en) 2007-11-29

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Family Applications (1)

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US11/663,197 Abandoned US20070271693A1 (en) 2004-09-24 2005-09-16 Movable Floor Pool and Method of Cleaning Movable Floor Pool

Country Status (4)

Country Link
US (1) US20070271693A1 (ja)
JP (2) JP4570169B2 (ja)
CN (1) CN100510298C (ja)
WO (1) WO2006033294A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140237713A1 (en) * 2011-06-17 2014-08-28 Patio 2 Pool, Llc Methods and apparatuses for a variable depth swimming pool/spa
US20190351302A1 (en) * 2017-01-11 2019-11-21 Intex Industries Xiamen Co. Ltd. Pool with an annular lane
US20220395737A1 (en) * 2019-11-22 2022-12-15 Exonsteel S.R.L. Pool for performing physical activity in counter-current regime

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104612420A (zh) * 2014-12-22 2015-05-13 柳州市京阳节能科技研发有限公司 多功能立体环保节水游泳池
CN105113817B (zh) * 2015-08-06 2017-04-05 中国建筑设计院有限公司 升降游泳池池底自动清洁系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2035835A (en) * 1934-09-29 1936-03-31 Raber Heinrich Swimming bath
US3242503A (en) * 1963-05-17 1966-03-29 Us Safety Pool Corp Swimming pool
US4364131A (en) * 1979-08-17 1982-12-21 Clerk Robert C Liquid reservoir
US5207729A (en) * 1990-08-15 1993-05-04 Miyoshi Hatanaka Cirulating type water flow pool
US5295929A (en) * 1989-07-18 1994-03-22 Stefano Weisz Hydrotherapy device with underwater treadmill
US5678253A (en) * 1996-06-28 1997-10-21 Baker; William H. Adjustable pool flooring structure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01299964A (ja) * 1988-05-28 1989-12-04 Toshihiko Kaneko 可動床式水泳プールの水浄化装置
JPH0238667A (ja) * 1988-07-28 1990-02-08 Japan Air Curtain Corp 渦巻式プール浄化機構
JP2610543B2 (ja) * 1990-08-15 1997-05-14 三芳 畑中 強制還流式水流プール

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2035835A (en) * 1934-09-29 1936-03-31 Raber Heinrich Swimming bath
US3242503A (en) * 1963-05-17 1966-03-29 Us Safety Pool Corp Swimming pool
US4364131A (en) * 1979-08-17 1982-12-21 Clerk Robert C Liquid reservoir
US5295929A (en) * 1989-07-18 1994-03-22 Stefano Weisz Hydrotherapy device with underwater treadmill
US5207729A (en) * 1990-08-15 1993-05-04 Miyoshi Hatanaka Cirulating type water flow pool
US5678253A (en) * 1996-06-28 1997-10-21 Baker; William H. Adjustable pool flooring structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140237713A1 (en) * 2011-06-17 2014-08-28 Patio 2 Pool, Llc Methods and apparatuses for a variable depth swimming pool/spa
US9683382B2 (en) * 2011-06-17 2017-06-20 Patio 2 Pool, Llc Methods and apparatuses for a variable depth swimming pool/spa
US20190351302A1 (en) * 2017-01-11 2019-11-21 Intex Industries Xiamen Co. Ltd. Pool with an annular lane
US10960282B2 (en) * 2017-01-11 2021-03-30 Intex Marketing Ltd. Pool with an annular lane
US20220395737A1 (en) * 2019-11-22 2022-12-15 Exonsteel S.R.L. Pool for performing physical activity in counter-current regime

Also Published As

Publication number Publication date
CN101027452A (zh) 2007-08-29
CN100510298C (zh) 2009-07-08
JP4570169B2 (ja) 2010-10-27
JPWO2006033294A1 (ja) 2008-07-31
WO2006033294A1 (ja) 2006-03-30
JP3163098U (ja) 2010-09-30

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Owner name: YOTSUYANAGI CO., LTD., JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:YOTSUYANAGI, SHIGERU;REEL/FRAME:019078/0482

Effective date: 20070223

STCB Information on status: application discontinuation

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