CN107653798B - Swing turnstile suitable for obstacle of meeting an urgent need - Google Patents
Swing turnstile suitable for obstacle of meeting an urgent need Download PDFInfo
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- CN107653798B CN107653798B CN201710985643.XA CN201710985643A CN107653798B CN 107653798 B CN107653798 B CN 107653798B CN 201710985643 A CN201710985643 A CN 201710985643A CN 107653798 B CN107653798 B CN 107653798B
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- shaft
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- mounting groove
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Toys (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses the swing turnstiles for the obstacle that is suitable for meeting an urgent need, including cylinder and baffle, cylinder axial end face is equipped with shaft and fixed link, and shaft is rotated by being set to the intracorporal motor driven of column, circumferentially it is equipped with limit plate on the side wall of shaft axial direction bottom end, it is upward convex on limit plate to be equipped with positive stop strip；A side of baffle is equipped with connector sleeve, and the axial bottom face of connector sleeve is concavely provided with the limiting slot being adapted to the positive stop strip, and connector sleeve is set in shaft, positive stop strip transition fit is embedded in the limiting slot and fixes；It further include cover board, cover board connect with fixed link axial direction top side detachable and is rotatablely connected with the axial top of shaft；It further include pedestal, the long axis direction both ends of pedestal are equipped with a mounting groove, and the axial bottom end transition fit of cylinder is embedded in the mounting groove.Structure is simple, and each main component is detachably connected, operation easy to disassemble, is quickly arranged so that staff be facilitated to carry the place for storing or moving to and need limitation current at any time.
Description
Technical field
The present invention relates to a kind of gates, and in particular to the swing turnstile suitable for obstacle of meeting an urgent need.
Background technique
Swing turnstile commonly referred to as pats door in track transportation industry, and the form for blocking body (lock pendulum) is that have certain area
Plane block and let pass by rotary oscillation realization perpendicular to ground.Block body material often use stainless steel, organic glass,
Tempered glass, some is also using the special flexible material of metal plate outsourcing (injury for reducing shock pedestrian).Traditional swing turnstile, it is whole
Body structure is larger, is not suitable for moving application in the place of some temporary needs limitation flow of the people.
Summary of the invention
For the present invention in view of the above technical problems, and it is an object of the present invention to provide being suitable for the swing turnstile of obstacle of meet an urgent need, structure is simple, and respectively
Main component is detachably connected, operation easy to disassemble, so that staff be facilitated to carry to store or move at any time and need to limit
The current place of system is quickly arranged.
The present invention is achieved through the following technical solutions:
It is described suitable for the swing turnstile for obstacle of meeting an urgent need, including the identical cylinder of two structures and the identical baffle of two structures
Cylinder axial end face is equipped with shaft and fixed link, the axis of the axis direction of the shaft, the axis direction of fixed link and cylinder
Direction is parallel；The shaft is rotated by being set to the intracorporal motor driven of column, is circumferentially equipped on the side wall of shaft axial direction bottom end
Limit plate, it is upward convex on the limit plate to be equipped with positive stop strip；A side of the baffle is equipped with connector sleeve, the connector sleeve
Axial bottom face is concavely provided with the limiting slot being adapted to the positive stop strip, and the connector sleeve is set in shaft, the positive stop strip
Transition fit is embedded in fixed in the limiting slot；Further include cover board, the cover board connect with fixed link axial direction top side detachable and
It is rotatablely connected with the axial top of shaft；It further include whole pedestal in a rectangular parallelepiped shape, the long axis direction both ends of the pedestal are equal
Equipped with a mounting groove, the axial bottom end transition fit of the cylinder is embedded in the mounting groove.
Working principle of the present invention are as follows: in use, being first set in baffle in shaft by connector sleeve, pass through positive stop strip transition
The interior realization connector sleeve of cooperation insertion limiting slot is fixedly connected with limit plate, also realizes and baffle is fixed in shaft, pass through control
Motor rotation processed, shaft successively drives limit plate, connector sleeve and flapper, to realize opening for the baffle between two cylinders
Cooperation is used；Setting cover board and fixed link are mainly used for stablizing shaft, make axial end portion stable rotation of the shaft far from motor, ensure
The operation of swing turnstile mechanism stable；Overall structure is simple, and each main component is detachably connected, operation easy to disassemble, to facilitate work
Make personnel and carry to store or move at any time to need to limit current place and quickly arranged.It is kept off with two cylinders and two
Plate is one group of composition swing turnstile gate inhibition, and one group of two cylinders are fixed on pedestal, prevent pedestrian from arbitrarily moving cylinder knot
Structure, and understructure is simple, is detachably connected with cylinder, carries operation convenient for staff.
Preferably, the pedestal includes the first supporting plate being sequentially connected end to end, transition plates and the second supporting plate, the mounting groove
Far from the end of transition plates on the first supporting plate and the second supporting plate；First supporting plate and transition plates are connected by a hinge, institute
It states transition plates and the second supporting plate is connected by a hinge.
By the way that transition plates is arranged, first supporting plate at transition plates long axis direction both ends and the second supporting plate are passed through into hinge and transition
Plate connection, in the case where pedestal can be made to be suitable for ground out-of-flatness, contact of the hinge connection convenient for increase base end face with ground
Area ensures pedestal and cylinder stable fixation on the ground.
Preferably, the axial bottom face of the cylinder is equipped with traveling wheel, and bottom is additionally provided with for accommodating in the mounting groove
The walking race of the traveling wheel.
Staff is facilitated to carry column structure by the way that traveling wheel is arranged.
Preferably, long axis direction one end side wall of the pedestal is convex is concavely provided with company equipped with connecting plate, other end side wall
Access slot, offers through-hole on the connecting plate, and the axial other end of the pedestal offers mounting hole, and the mounting hole is through connecting
Access slot；Swing turnstile suitable for obstacle of meeting an urgent need includes multiple pedestals, the connection of the connecting plate insertion adjacent pans of one of pedestal
In slot, it is fixedly connected by through-hole described in screw bolt passes and mounting hole.
When the temporary needs limitation stream of people is current, setting multiple groups swing turnstile gate inhibition mechanism is generally required, by the column of every group of swing turnstile
Body is fixed on the base, and is then again fixedly connected two adjacent pedestals by connecting plate, link slot and bolt, is formed
The swing turnstile gate inhibition mechanism that one row consolidates.
The preferably described limit plate is equipped at least two positive stop strips.
By the way that multiple positive stop strips are arranged, transition fit is carried out with multiple limiting slots on connector sleeve and is adapted to connection, can be ensured
Baffle stabilization in shaft is fixedly connected.
Preferably, the first mounting groove is offered on the cover board, the first mounting groove inner sidewall is equipped with groove, spring
And convex block, axial one end of the spring is fixed in groove, the other end and convex block connect, in the top sidewall of the fixed link
Equipped with the card slot being adapted to the convex block, it is embedded in first mounting groove at the top of fixed link, it is suitable by spring, convex block and card slot
With being detachably connected.
In use, convex block by the squeezing action of fixed link side wall, pressed by the spring that links when cover board is located in fixed link
Contracting, convex block and spring are compressed in groove, and when the card slot in fixed link reaches exactly at protrusion, spring is acted in self-recovery
Under power being detachably connected for cover board and fixed link will be realized in convex block pop-up groove insertion card slot.
Preferably, the second mounting groove is also provided on the cover board, the second mounting groove inner sidewall subtracts equipped with steel plate
Grinding, the shaft top is embedded in second mounting groove to be contacted with the rotation of steel plate anti-attrition piece.
Second mounting groove is set, and be mainly used for limitation shaft axial direction top radially wobbles effect, while being subtracted by steel plate
Grinding is connect with fixed boom end, is conducive to reduce pivoting friction resistance.
Preferably, infrared sensor and control module are additionally provided in the cylinder, the infrared sensor is for examining
Survey near the swing turnstile for the obstacle that is suitable for meeting an urgent need whether someone is close, and will test information and be sent to control module, the control mould
Rotation of the block according to detection information control motor.
Conducive to realization automation control.
Compared with prior art, the present invention having the following advantages and benefits:
1, swing turnstile of the present invention suitable for obstacle of meeting an urgent need, working principle of the present invention are as follows: in use, baffle is first passed through connection
It is set in shaft, is embedded in limiting slot by positive stop strip transition fit and realizes being fixedly connected for connector sleeve and limit plate,
Baffle is fixed in shaft by realization, and by control motor rotation, shaft successively drives limit plate, connector sleeve and flapper,
To realize the folding effect of the baffle between two cylinders；Setting cover board and fixed link are mainly used for stablizing shaft, make shaft
Axial end portion stable rotation far from motor ensures the operation of swing turnstile mechanism stable；Overall structure is simple, and each main component is removable
Connection, operation easy to disassemble are unloaded, so that staff be facilitated to carry the place for storing or moving to and need to limit passage at any time
Quickly arranged.With two cylinders and two baffles for one group of composition swing turnstile gate inhibition, by one group of two cylinders on pedestal
It is fixed, prevents pedestrian from arbitrarily moving column structure, and understructure is simple, be detachably connected with cylinder, be convenient for work people
Member carries operation；
2, the present invention is suitable for the swing turnstile of obstacle of meet an urgent need, by setting transition plates, by the of transition plates long axis direction both ends
One supporting plate and the second supporting plate are connect by hinge with transition plates, and in the case where pedestal can be made to be suitable for ground out-of-flatness, hinge connects
It connects convenient for increasing the contact area of base end face and ground, ensures pedestal and cylinder stable fixation on the ground；
3, the present invention is suitable for the swing turnstile of obstacle of meet an urgent need, by setting transition plates, by the of transition plates long axis direction both ends
One supporting plate and the second supporting plate are connect by hinge with transition plates, and in the case where pedestal can be made to be suitable for ground out-of-flatness, hinge connects
It connects convenient for increasing the contact area of base end face and ground, ensures pedestal and cylinder stable fixation on the ground；
4, swing turnstile of the present invention suitable for obstacle of meeting an urgent need, in use, convex block is fixed when cover board is located in fixed link
The squeezing action of bar side wall, linkage spring compressed, convex block and spring are compressed in groove, when the card slot in fixed link just
It reaches at protrusion, spring can by realize cover board and fixed link in convex block pop-up groove insertion card slot under self-recovery active force
Dismantling connection；Second mounting groove is set, and be mainly used for limitation shaft axial direction top radially wobbles effect, while being subtracted by steel plate
Grinding is connect with fixed boom end, is conducive to reduce pivoting friction resistance.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is swing turnstile structural schematic diagram of the present invention suitable for obstacle of meeting an urgent need；
Fig. 2 is that pedestal of the present invention overlooks structure structural schematic diagram.
Label and corresponding parts title in attached drawing: 1- cylinder, 2- baffle, 3- shaft, 4- fixed link, 5- motor, 6-
Limit plate, 7- positive stop strip, 8- connector sleeve, 9- cover board, the first mounting groove of 10-, 11- groove, 12- spring, 13- convex block, 14- second
Mounting groove, 15- anti-attrition piece, 16- pedestal, 17- mounting groove, the first supporting plate of 18-, 19- transition plates, the second supporting plate of 20-, 21- walking
Wheel, 22- walking race, 23- connecting plate, 24- link slot.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1
As shown in Figure 1, the present invention provides a kind of swing turnstile suitable for obstacle of meeting an urgent need, including the identical cylinder of two structures
1 and the identical baffle 2 of two structures, 1 axial end face of cylinder is equipped with shaft 3 and fixed link 4, the axis side of the shaft 3
It is parallel with the axis direction of cylinder 1 to, the axis direction of fixed link 4；The shaft 3 is driven by the motor 5 being set in cylinder 1
Rotation, is circumferentially equipped with limit plate 6 on the axial bottom end side wall of shaft 3, upward convex on the limit plate 6 to be equipped with positive stop strip 7；Institute
The a side for stating baffle 2 is equipped with connector sleeve 8, and the axial bottom face of the connector sleeve 8 is concavely provided with to be adapted to the positive stop strip 7
Limiting slot, the connector sleeve 8 is set in shaft 3,7 transition fit of the positive stop strip be embedded in it is fixed in the limiting slot；Also
Including cover board 9, the cover board 9 connect with the axial top side detachable of fixed link 4 and is rotatablely connected with the axial top of shaft 3；Also
Including whole pedestal 16 in a rectangular parallelepiped shape, the long axis direction both ends of the pedestal 16 are equipped with a mounting groove 17, the column
The axial bottom end transition fit of body 1 is embedded in the mounting groove 17.
Embodiment 2
It is further improved on the basis of embodiment 1, the pedestal 16 includes the first supporting plate 18 being sequentially connected end to end, mistake
Cab apron 19 and the second supporting plate 20, the mounting groove 17 are set to the end on the first supporting plate 18 and the second supporting plate 20 far from transition plates 19
Portion；First supporting plate 18 and transition plates 19 are connected by a hinge, and the transition plates 19 and the second supporting plate 20 are connected by a hinge.
Embodiment 3
It is further improved on the basis of embodiment 2, the axial bottom face of the cylinder 1 is equipped with traveling wheel 21, the peace
Bottom is additionally provided with the walking race 22 for accommodating the traveling wheel 21 in tankage 17.
Embodiment 4
It is further improved on the basis of embodiment 3, long axis direction one end side wall of the pedestal 16 is convex to be equipped with connection
Plate 23, other end side wall are concavely provided with link slot 24, and through-hole is offered on the connecting plate 23, and the axial direction of the pedestal 16 is another
End offers mounting hole, and the mounting hole runs through link slot 24；Swing turnstile suitable for obstacle of meeting an urgent need includes multiple pedestals 16, wherein
The connecting plate 23 of one pedestal 16 is inserted into the link slot 24 of adjacent pans 16, passes through through-hole described in screw bolt passes and installation
Hole is fixedly connected.
Embodiment 5
It is further improved on the basis of embodiment 4, the limit plate 6 is equipped at least two positive stop strips 7.
Embodiment 6
It is further improved on the basis of embodiment 5, the first mounting groove 10, first peace is offered on the cover board 9
10 inner sidewall of tankage is equipped with groove 11, spring 12 and convex block 13, and axial one end of the spring 12 is fixed in groove 11, is another
One end is connect with convex block 13, and the top sidewall of the fixed link 4 is equipped with the card slot being adapted to the convex block 13, and fixed link 4 is pushed up
Portion is embedded in first mounting groove 10, is adapted to and is detachably connected with card slot by spring 12, convex block 13.The cover board 9
On be also provided with the second mounting groove 14,14 inner sidewall of the second mounting groove is equipped with steel plate anti-attrition piece 15,3 top of shaft
It is embedded in second mounting groove 14 and is contacted with the rotation of steel plate anti-attrition piece 15.
Embodiment 7
It is further improved on the basis of embodiment 6, is additionally provided with infrared sensor and control module in the cylinder 1,
The infrared sensor is used to detect near the swing turnstile suitable for obstacle of meeting an urgent need whether someone to be close, and will test information transmission
To control module, rotation of the control module according to detection information control motor 5.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (8)
1. the swing turnstile for the obstacle that is suitable for meeting an urgent need, including the identical cylinder (1) of two structures and the identical baffle (2) of two structures,
It is characterized in that, cylinder (1) axial end face is equipped with shaft (3) and fixed link (4), the axis direction of the shaft (3) is consolidated
The axis direction of fixed pole (4) is parallel with the axis direction of cylinder (1)；The shaft (3) passes through the motor in cylinder (1)
(5) driving rotates, and is circumferentially equipped with limit plate (6) on the side wall of shaft (3) axial direction bottom end, upward convex on the limit plate (6)
Equipped with positive stop strip (7)；A side of the baffle (2) is equipped with connector sleeve (8), on the axial bottom face of the connector sleeve (8)
It is recessed with the limiting slot being adapted to the positive stop strip (7), the connector sleeve (8) is set on shaft (3), the positive stop strip (7)
Transition fit is embedded in fixed in the limiting slot；It further include cover board (9), the cover board (9) and the axial top of fixed link (4) are removable
It unloads connection and is rotatablely connected with the axial top of shaft (3)；It further include whole pedestal (16) in a rectangular parallelepiped shape, the pedestal
(16) long axis direction both ends are equipped with a mounting groove (17), described in the axial bottom end transition fit insertion of the cylinder (1)
In mounting groove (17).
2. the swing turnstile of the obstacle according to claim 1 that is suitable for meeting an urgent need, which is characterized in that the pedestal (16) includes successively
The first supporting plate (18), transition plates (19) and the second supporting plate (20) of head and the tail connection, the mounting groove (17) are set to the first supporting plate
(18) far from the end of transition plates (19) and on the second supporting plate (20)；First supporting plate (18) and transition plates (19) pass through hinge
Connection, the transition plates (19) and the second supporting plate (20) are connected by a hinge.
3. the swing turnstile of the obstacle according to claim 1 that is suitable for meeting an urgent need, which is characterized in that the axial bottom of the cylinder (1)
End face is equipped with traveling wheel (21), and the interior bottom of the mounting groove (17) is additionally provided with the walking race for accommodating the traveling wheel (21)
(22)。
4. the swing turnstile of the obstacle according to claim 1 that is suitable for meeting an urgent need, which is characterized in that the long axis side of the pedestal (16)
It is concavely provided with link slot (24) to one end side wall is convex equipped with connecting plate (23), other end side wall, is opened on the connecting plate (23)
Equipped with through-hole, the axial other end of the pedestal (16) offers mounting hole, and the mounting hole runs through link slot (24)；It is suitable for
The swing turnstile of emergency obstacle includes multiple pedestals (16), connecting plate (23) insertion adjacent pans (16) of one of pedestal (16)
In link slot (24), it is fixedly connected by through-hole described in screw bolt passes and mounting hole.
5. the swing turnstile of the obstacle according to claim 1 that is suitable for meeting an urgent need, which is characterized in that the limit plate (6) is equipped with
At least two positive stop strips (7).
6. the swing turnstile of the obstacle according to claim 1 that is suitable for meeting an urgent need, which is characterized in that offered on the cover board (9)
First mounting groove (10), the first mounting groove (10) inner sidewall is equipped with groove (11), spring (12) and convex block (13), described
Axial one end of spring (12) is fixed in groove (11), the other end and convex block (13) connect, the top side of the fixed link (4)
Wall is equipped with the card slot being adapted to the convex block (13), is embedded in first mounting groove (10) at the top of fixed link (4), passes through bullet
Spring (12), convex block (13) are adapted to card slot and are detachably connected.
7. the swing turnstile of the obstacle according to claim 6 that is suitable for meeting an urgent need, which is characterized in that also opened up on the cover board (9)
Have the second mounting groove (14), the second mounting groove (14) inner sidewall is equipped with steel plate anti-attrition piece (15), shaft (3) top
It is embedded in second mounting groove (14) and is contacted with steel plate anti-attrition piece (15) rotation.
8. the swing turnstile of the obstacle according to claim 1 that is suitable for meeting an urgent need, which is characterized in that be additionally provided in the cylinder (1)
Infrared sensor and control module, whether the infrared sensor is used to detect nearby has suitable for the swing turnstile for obstacle of meeting an urgent need
People is close, and will test information and be sent to control module, rotation of the control module according to detection information control motor (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710985643.XA CN107653798B (en) | 2017-10-20 | 2017-10-20 | Swing turnstile suitable for obstacle of meeting an urgent need |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710985643.XA CN107653798B (en) | 2017-10-20 | 2017-10-20 | Swing turnstile suitable for obstacle of meeting an urgent need |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107653798A CN107653798A (en) | 2018-02-02 |
| CN107653798B true CN107653798B (en) | 2019-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710985643.XA Active CN107653798B (en) | 2017-10-20 | 2017-10-20 | Swing turnstile suitable for obstacle of meeting an urgent need |
Country Status (1)
| Country | Link |
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| CN (1) | CN107653798B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939085A (en) * | 2018-02-13 | 2020-03-31 | 张倩倩 | Automatic moving device for full-automatic road maintenance protective stone pier |
| CN111622152B (en) * | 2020-05-07 | 2022-02-11 | 重庆特斯联智慧科技股份有限公司 | A security protection intelligent entrance guard for office building |
| CN112150642B (en) * | 2020-08-17 | 2022-11-18 | 永旭(上海)通讯科技有限公司 | Door opening and closing structure of ticket checking machine |
| CN112458967A (en) * | 2020-11-27 | 2021-03-09 | 浙江大华技术股份有限公司 | Gate machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29917454U1 (en) * | 1999-10-04 | 1999-12-23 | Unternehmensberatung Und Hande | Mechanical proximity indicator |
| EP1288430A2 (en) * | 2001-08-31 | 2003-03-05 | Kaba Gallenschütz GmbH | Drive and locking device |
| CN201704648U (en) * | 2010-03-23 | 2011-01-12 | 张建新 | Swing type secure channel |
| CN102251493A (en) * | 2011-04-21 | 2011-11-23 | 张建新 | Control method of oscillating type door wing of safe passage |
| CN205775954U (en) * | 2016-06-18 | 2016-12-07 | 江苏今日智能科技有限公司 | A kind of parking lot gate |
-
2017
- 2017-10-20 CN CN201710985643.XA patent/CN107653798B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29917454U1 (en) * | 1999-10-04 | 1999-12-23 | Unternehmensberatung Und Hande | Mechanical proximity indicator |
| EP1288430A2 (en) * | 2001-08-31 | 2003-03-05 | Kaba Gallenschütz GmbH | Drive and locking device |
| CN201704648U (en) * | 2010-03-23 | 2011-01-12 | 张建新 | Swing type secure channel |
| CN102251493A (en) * | 2011-04-21 | 2011-11-23 | 张建新 | Control method of oscillating type door wing of safe passage |
| CN205775954U (en) * | 2016-06-18 | 2016-12-07 | 江苏今日智能科技有限公司 | A kind of parking lot gate |
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| Publication number | Publication date |
|---|---|
| CN107653798A (en) | 2018-02-02 |
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Effective date of registration: 20230228 Address after: No. 147, Qingjiang Middle Road, Qingbaijiang District, Chengdu, Sichuan 610000 (in Chengdu Europe Entrepreneurship Yard) Patentee after: Chengdu Zhirong Zhichuang Intellectual Property Operation Co.,Ltd. Address before: 610000 No. 10, 2 2, 88 Jiao Zi Road, Chengdu high tech Zone, Sichuan. Patentee before: Sichuan Xingzhi Zhihui Intellectual Property Operation Co.,Ltd. |
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