CN113152612A - Scenic spot is with preventing wind portable lavatory - Google Patents
Scenic spot is with preventing wind portable lavatory Download PDFInfo
- Publication number
- CN113152612A CN113152612A CN202110442833.3A CN202110442833A CN113152612A CN 113152612 A CN113152612 A CN 113152612A CN 202110442833 A CN202110442833 A CN 202110442833A CN 113152612 A CN113152612 A CN 113152612A
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- CN
- China
- Prior art keywords
- sides
- fixedly connected
- wind
- wallboard
- windproof
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- 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.)
- Pending
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D7/00—Wheeled lavatories
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/72—Non-load-bearing walls of elements of relatively thin form with respect to the thickness of the wall
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/72—Non-load-bearing walls of elements of relatively thin form with respect to the thickness of the wall
- E04B2/721—Non-load-bearing walls of elements of relatively thin form with respect to the thickness of the wall connections specially adapted therefor
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- 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
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
- E04H1/1205—Small buildings erected in the open air
- E04H1/1216—Public W.C.s
Abstract
The invention discloses a windproof mobile toilet for scenic spots, which relates to the technical field of mobile toilets and comprises a combined wallboard, a top cover and a base, wherein the bottom of the top cover is fixedly connected with the top of the combined wallboard, the bottom of the combined wallboard is fixedly connected with the top of the base, and the inner walls of two sides of the combined wallboard are fixedly connected with an opening and closing mechanism. The invention realizes that the movable blade arranged on the wall body of the movable toilet is turned over by wind power to open the wind passing channel by combining the combined wall plate and the opening and closing mechanism, so as to reduce the wind area, weaken the thrust of the wind to the whole movable toilet, avoid the condition that the movable toilet is blown down by strong wind power, and simultaneously, the rotating wheel arranged on the movable blade rotates due to wind blowing, thereby driving the internal generator to rotate to generate power for meeting the power consumption requirement of the movable toilet.
Description
Technical Field
The invention relates to a mobile toilet, relates to the technical field of mobile toilets, and particularly relates to a windproof mobile toilet for a scenic spot.
Background
The movable toilet is famous for having mobility, and compared with traditional lavatory, the advantage is very obvious, and the movable toilet is not restricted by any operational environment and appearance structure is light and handy. It is suitable for railway stations, wharfs, tourist attractions, villas, large construction sites, squares, public places, and luxurious commercial streets. The mobile public toilet has the advantages of being movable, combinable, convenient to transport and the like. The following problems exist in the prior art:
1. in the prior art, in a remote scenic spot, a mobile toilet is selected to be installed outdoors in the scenic spot for not polluting the scenic spot environment and meeting the requirement of tourists on using the toilet, so that the problems that the scenic spot shields few buildings and the mobile toilet is easy to scrape down and damage in a strong wind environment exist;
2. in the prior art, some mobile toilets can be externally connected with a power supply due to the power consumption requirement of lamps in the toilet, but some scenic spots are far away in geographical position, the cost of traction power transmission lines is high, the maintenance cost of electric power transportation is high, the construction cost of the scenic spot mobile toilets is further increased, the applicability of the mobile toilets is poor, and therefore structural innovation is needed to solve the specific problems.
Disclosure of Invention
The invention provides a windproof mobile toilet for scenic spots, which aims to have the function of preventing wind from blowing down and solve the problems that the scenic spots shield few buildings and the mobile toilet is easily blown down and damaged in a strong wind severe environment; the other purpose is to solve the problem that some mobile toilets can be externally connected with a power supply due to the power consumption requirement of lamps in the toilet, but some scenic spots are far away in geographical position, the cost of traction power transmission lines is high, the cost of electric power transportation and maintenance is high, and the construction cost of the scenic spot mobile toilets is further increased, so that the effect of self power generation is achieved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the windproof mobile toilet for the scenic spot comprises a combined wallboard, a top cover and a base, wherein the bottom of the top cover is fixedly connected with the top of the combined wallboard, the bottom of the combined wallboard is fixedly connected with the top of the base, and the inner walls on two sides of the combined wallboard are fixedly connected with an opening and closing mechanism.
The technical scheme of the invention is further improved as follows: the opening and closing mechanism comprises movable blades, the inner walls of two sides of the combined wallboard are respectively movably connected with two sides of the movable blades, the movable blades are uniformly and vertically arranged along the inner wall of the combined wallboard, and magnets are fixedly connected to one sides of the upper end and the lower end of the wallboard close to the movable blades.
The technical scheme of the invention is further improved as follows: the activity leaf is including changeing board, swiveling wheel and deflection piece, the inside of changeing the board is inserted and is equipped with five the swiveling wheel, just swiveling wheel parallel arrangement, the equal swing joint in both sides of changeing the board has one side of deflection piece, the outer wall of deflection piece and the both sides inner wall fixed connection of combination wallboard.
The technical scheme of the invention is further improved as follows: the rotating wheel comprises a shell and a generator, the inner walls of the two sides of the shell are fixedly connected with the outer walls of the two sides of the generator respectively, and the axle center of the generator is inserted into the rotating plate.
The technical scheme of the invention is further improved as follows: the top of one side of the deflection piece close to the rotating plate is provided with an arc-shaped groove, and the bottom of the arc-shaped groove is uniformly provided with ventilation holes.
The technical scheme of the invention is further improved as follows: the air inlet hole is formed in one side of the impact block, and the bottom of the plug-in is fixedly connected with a hanging ball.
The technical scheme of the invention is further improved as follows: the inner wall of the arc-shaped groove is movably connected with the outer wall of the plug-in, and one side of the ventilation hole close to the axis is movably connected with one end of the air inlet hole.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides a windproof mobile toilet for scenic spots, which is ingenious in design and adopts the combination of a combined wall board and an opening and closing mechanism, so that outdoor strong wind is often blown in the scenic spots in the seasons, when strong wind blows to one side of the mobile toilet, the opening and closing mechanism arranged on the combined wall board on the wind-receiving surface is pushed, and when the transverse thrust on movable blades is greater than the mutual magnetic attraction between a magnet and a rotating plate, the movable blades on the wind-receiving surface are firstly turned over, the wind blows into the mobile toilet and then exerts outward thrust on the leeward surface, the movable blades on the leeward surface are also turned over to form a channel, and the wind can pass through the channel opened by turning the movable blades, so that the wind-receiving area is reduced, the thrust of the wind on the whole mobile toilet is weakened, and the mobile toilet is prevented from being blown down by strong wind.
2. The invention provides a windproof mobile toilet for scenic spots, which is characterized in that a combined wall plate and an opening and closing mechanism are combined, so that when a movable blade deflects due to wind thrust, a rotating wheel arranged on the movable blade rotates due to wind blowing, and an internal generator is driven to rotate to generate power, so that the windproof mobile toilet is used for the power consumption requirement of the mobile toilet, is energy-saving and environment-friendly, and reduces the construction cost of the mobile toilet for scenic spots.
3. The invention provides a windproof mobile toilet for scenic spots, which is characterized in that a combined wall plate and an opening and closing mechanism are combined, so that when a rotating plate is overturned under the action of wind thrust, plug-in units arranged at two sides of the rotating plate slide along the inner wall of an arc-shaped groove of a deflection piece, the rotating plate cannot be overturned continuously due to the blocking of the bottom of the arc-shaped groove after reaching the horizontal state and is kept at a position close to the horizontal state, the channel is prevented from being shielded again due to an overlarge overturning angle of the rotating plate, strong wind enters a wind inlet hole through a wind through hole at the bottom of the deflection piece, finally a hanging ball is blown, the hanging ball is randomly shaken in an inner cavity and collides with an impact block, the impact block transmits the vibration generated by the collision to the rotating plate, the vibration of the rotating plate can shake off impurities such as fallen leaves and the like mixed between two adjacent movable leaves, and meanwhile, the rotating wheel rotating at high speed due to the wind thrust can crush and remove the impurities such as the fallen leaves and the mixed in the channel between the adjacent movable leaves, the channel opened by the movable blade in a turning way is prevented from being blocked by sundries blown along with wind, and the whole windproof effect of the mobile toilet is prevented from being influenced.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic view of the construction of the composite wall panel of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a schematic view of the deflected movable blade of the present invention;
FIG. 5 is a front view of the opening and closing mechanism of the present invention;
fig. 6 is a schematic view of the structure of the deflecting member of the present invention.
In the figure: 1. combining wall boards; 2. a top cover; 3. a base; 10. an opening and closing mechanism; 101. moving the blades; a1, rotating plate; a2, rotating wheel; a3, a deflector; b1, a shell; b2, a generator; d1, ventilation holes; d2, arc slot; c1, plug-in; c2, impact block; c3, air inlet holes; c4, hanging balls.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-5, the invention provides a windproof mobile toilet for scenic spots, which comprises a combined wall board 1, a top cover 2 and a base 3, wherein the bottom of the top cover 2 is fixedly connected with the top of the combined wall board 1, the bottom of the combined wall board 1 is fixedly connected with the top of the base 3, the inner walls of the two sides of the combined wall board 1 are fixedly connected with an opening and closing mechanism 10, the opening and closing mechanism 10 comprises movable blades 101, the inner walls of the two sides of the combined wall board 1 are respectively movably connected with the two sides of the movable blades 101, the movable blades 101 are uniformly and vertically arranged along the inner wall of the combined wall board 1, one side of the wall board 1 close to the upper end and the lower end of the movable blades 101 is fixedly connected with a magnet 102, the movable blades 101 comprise a rotating plate a1, a rotating wheel a2 and a deflecting piece a3, five rotating wheels a2 are inserted in the rotating plate a1, the rotating wheels a2 are arranged in parallel, the two sides of the rotating plate a1 are movably connected with one side of the deflecting piece a3, the outer wall of the deflecting piece a3 is fixedly connected with the inner walls of the two sides of the combined wall board 1, the rotating wheel a2 comprises a casing b1 and a generator b2, wherein the inner walls of the two sides of the casing b1 are respectively fixedly connected with the outer walls of the two sides of the generator b2, and the axis of the generator b2 is inserted into the rotating plate a 1.
In this embodiment, when strong wind blows to one side of the portable toilet, the opening and closing mechanism 10 installed on the wind-receiving face assembled wall panel 1 is pushed, the lateral thrust applied to the movable blade 101 is greater than the magnetic attraction between the magnet 102 and the rotating plate a1, the movable blade 101 on the wind-receiving face first turns over, the wind blows into the portable toilet and then exerts an outward thrust on the leeward face, the movable blade 101 on the leeward face also turns over to form a channel, the wind can pass through the channel opened by the turning of the movable blade 101, the wind-receiving area is reduced, the thrust of the wind to the portable toilet is weakened, the portable toilet is prevented from being blown down by the strong wind, and simultaneously, when the movable blade 101 deflects by the wind thrust, the rotating wheel a2 installed on the movable blade 101 rotates by the wind, thereby driving the internal generator b2 to generate electricity by rotation, for the power consumption requirement of the mobile toilet.
Example 2
As shown in fig. 5 and 6, the present invention provides a technical solution based on embodiment 1: the movable blade 101 comprises a rotating plate a1, a rotating wheel a2 and a deflecting piece a3, five rotating wheels a2 are inserted into the rotating plate a1, the rotating wheels a2 are arranged in parallel, two sides of the rotating plate a1 are movably connected with one side of the deflecting piece a3, the outer wall of the deflecting piece a3 is fixedly connected with the inner walls of two sides of the combined wall panel 1, the top of one side, close to the rotating plate a1, of the deflecting piece a3 is provided with an arc-shaped groove d2, the bottom of the arc-shaped groove d2 is uniformly provided with an air penetrating hole d1, the tops of two sides of the rotating plate a1 are fixedly connected with an insert c1, the inner walls of two sides of the rotating plate a1 are uniformly and fixedly connected with impact blocks c2, the impact blocks c2 are uniformly and annularly arranged, one side of the impact block c2 is provided with an air inlet hole c2, the bottom of the insert c2 is fixedly connected with a hanging ball c2, and the inner wall of one end, close to the air penetrating hole c2, which is movably connected with an axis of the air inlet hole c 2.
In this embodiment, when the rotating plate a1 is turned over by wind thrust, the plug-in pieces c1 arranged at both sides of the rotating plate a1 slide along the inner wall of the arc-shaped groove d2 of the deflecting piece a3, when the rotating plate a1 reaches the horizontal position, the rotating plate a2 cannot turn over continuously due to the blocking of the bottom of the arc-shaped groove d2, and is kept at the position near the horizontal position, so as to prevent the rotating plate a1 from blocking the channel again due to an excessively large turning angle, strong wind enters the wind inlet hole c3 through the wind permeable hole d1 at the bottom of the deflecting piece, finally blows the hanging ball c4, the hanging ball c4 shakes disorderly in the inner cavity where the hanging ball c 3552 is located and collides with the striking block c2, the striking block c2 transmits the vibration generated by the collision to the rotating plate a1, the rotating plate a1 vibrates to shake off the falling leaves and other impurities between two adjacent movable leaves 101, and simultaneously, the rotating plate a2 rotating at high speed due to crush and remove the impurities in the channel between the adjacent movable leaves 101, thereby preventing the rotating wheel from being blocked by the wind, the whole windproof effect of the mobile toilet is influenced.
The following is a specific description of the working principle of the windproof mobile toilet for scenic spots.
As shown in fig. 1-6, when strong wind blows to one side of the portable toilet, the opening and closing mechanism 10 installed on the wind-receiving face combined wall panel 1 is pushed, the lateral thrust applied to the movable blade 101 is greater than the magnetic attraction between the magnet 102 and the rotating plate a1, the movable blade 101 on the wind-receiving face first turns over, the wind blows into the portable toilet and then applies an outward thrust to the leeward face, the movable blade 101 on the leeward face also turns over to form a channel, the wind can pass through the channel opened by the turning of the movable blade 101, the area of the wind-receiving face is reduced, the thrust of the wind to the entire portable toilet is reduced, the portable toilet is prevented from being blown down by the strong wind, and when the movable blade 101 deflects by the wind thrust, the rotating wheel a2 installed on the movable blade 101 rotates by the wind, thereby driving the internal generator b2 to rotate to generate electricity, for the power consumption requirement of the mobile toilet.
When the rotating plate a1 is overturned by wind thrust, the plug-in pieces c1 arranged at two sides of the rotating plate a1 slide along the inner wall of the arc-shaped groove d2 of the deflecting piece a3, when the rotating plate a1 reaches the horizontal position, the rotating plate a cannot be overturned continuously due to the blocking of the bottom of the arc-shaped groove d2, the rotating plate is kept at the position near the horizontal position, the rotating plate a1 is prevented from being overturned by an overlarge angle to shield the channel again, strong wind enters the wind inlet hole c3 through the wind through hole d1 at the bottom of the deflecting piece, finally, the hanging ball c4 is blown, the hanging ball c4 is disorderly swung in the inner cavity and collides with the impact block c2, the impact block c2 transmits the vibration generated by the collision to the rotating plate a1, the rotating plate a1 vibrates to shake and fall the fallen leaves and other impurities between two adjacent movable leaves 101, meanwhile, the rotating wheel a2 which rotates at high speed due to remove the impurities such as the fallen leaves 101 between the adjacent movable leaves, and prevent the channel from being overturned and blocked by the wind, the whole windproof effect of the mobile toilet is influenced.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.
Claims (7)
1. The utility model provides a scenic spot is with preventing wind portable lavatory, includes combination wallboard (1), top cap (2) and base (3), the top fixed connection of the bottom of top cap (2) and combination wallboard (1), the top fixed connection of the bottom of combination wallboard (1) and base (3), its characterized in that: the inner walls of two sides of the combined wallboard (1) are fixedly connected with an opening and closing mechanism (10).
2. The windproof mobile toilet for scenic spots according to claim 1, wherein: the opening and closing mechanism (10) comprises movable blades (101), the inner walls of two sides of the combined wallboard (1) are respectively movably connected with two sides of the movable blades (101), the movable blades (101) are uniformly and vertically arranged along the inner wall of the combined wallboard (1), and magnets (102) are fixedly connected to one sides of the upper end and the lower end of the wallboard (1) close to the movable blades (101).
3. The windproof mobile toilet for scenic spots according to claim 2, wherein: movable vane (101) are including changeing board (a1), swiveling wheel (a2) and deflecting piece (a3), the inside of changeing board (a1) is inserted and is equipped with five swiveling wheel (a2), just swiveling wheel (a2) parallel arrangement, the equal swing joint in both sides of changeing board (a1) has one side that deflects piece (a3), the outer wall that deflects piece (a3) and the both sides inner wall fixed connection of combination wallboard (1).
4. The windproof mobile toilet for scenic spots according to claim 3, wherein: the rotating wheel (a2) comprises a shell (b1) and a generator (b2), the inner walls of two sides of the shell (b1) are fixedly connected with the outer walls of two sides of the generator (b2), and the axis of the generator (b2) is inserted into the rotating plate (a 1).
5. The windproof mobile toilet for scenic spots according to claim 3, wherein: the top of one side of the deflecting piece (a3) close to the rotating plate (a1) is provided with an arc-shaped groove (d2), and the bottom of the arc-shaped groove (d2) is uniformly provided with ventilation holes (d 1).
6. The windproof mobile toilet for scenic spots according to claim 3, wherein: the equal fixedly connected with plug-in components (c1) in both sides top of commentaries on classics board (a1), the even fixedly connected with striking piece (c2) of the both sides inner wall of commentaries on classics board (a1), just striking piece (c2) even ring-shaped range, inlet air hole (c3) have been seted up to one side of striking piece (c2), the bottom fixedly connected with of plug-in components (c1) hangs ball (c 4).
7. The windproof mobile toilet for scenic spots according to claim 6, wherein: the inner wall of the arc-shaped groove (d2) is movably connected with the outer wall of an insert (c1), and one side of the ventilation hole (d1) close to the axis is movably connected with one end of the air inlet hole (c 3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110442833.3A CN113152612A (en) | 2021-04-23 | 2021-04-23 | Scenic spot is with preventing wind portable lavatory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110442833.3A CN113152612A (en) | 2021-04-23 | 2021-04-23 | Scenic spot is with preventing wind portable lavatory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113152612A true CN113152612A (en) | 2021-07-23 |
Family
ID=76869964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110442833.3A Pending CN113152612A (en) | 2021-04-23 | 2021-04-23 | Scenic spot is with preventing wind portable lavatory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113152612A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201964586U (en) * | 2010-12-28 | 2011-09-07 | 广州精益汽车空调有限公司 | Venetian blind for ventilation of air conditioner |
| US20140109310A1 (en) * | 2012-10-22 | 2014-04-24 | Ybirhan Girmay Meressa | Portable Half Bathroom |
| CN106898256A (en) * | 2017-03-17 | 2017-06-27 | 安徽大鸿智能科技有限公司 | Windproof billboard |
| CN109036113A (en) * | 2018-08-03 | 2018-12-18 | 渤海大学 | The Intelligent windproof component of high building billboard |
| CN210032754U (en) * | 2019-04-28 | 2020-02-07 | 重庆纯铸环境工程有限公司 | Convenient toilet capable of effectively utilizing wind, rain and photoelectric electricity |
| CN212091346U (en) * | 2019-06-28 | 2020-12-08 | 绍兴市锐新环境设备有限公司 | Dust collecting equipment who possesses categorised function |
| CN212642256U (en) * | 2020-06-28 | 2021-03-02 | 安徽炫安环保设备机械有限公司 | Portable lavatory of convenient transportation |
-
2021
- 2021-04-23 CN CN202110442833.3A patent/CN113152612A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201964586U (en) * | 2010-12-28 | 2011-09-07 | 广州精益汽车空调有限公司 | Venetian blind for ventilation of air conditioner |
| US20140109310A1 (en) * | 2012-10-22 | 2014-04-24 | Ybirhan Girmay Meressa | Portable Half Bathroom |
| CN106898256A (en) * | 2017-03-17 | 2017-06-27 | 安徽大鸿智能科技有限公司 | Windproof billboard |
| CN109036113A (en) * | 2018-08-03 | 2018-12-18 | 渤海大学 | The Intelligent windproof component of high building billboard |
| CN210032754U (en) * | 2019-04-28 | 2020-02-07 | 重庆纯铸环境工程有限公司 | Convenient toilet capable of effectively utilizing wind, rain and photoelectric electricity |
| CN212091346U (en) * | 2019-06-28 | 2020-12-08 | 绍兴市锐新环境设备有限公司 | Dust collecting equipment who possesses categorised function |
| CN212642256U (en) * | 2020-06-28 | 2021-03-02 | 安徽炫安环保设备机械有限公司 | Portable lavatory of convenient transportation |
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Application publication date: 20210723 |