CN210235253U - Covering module and covering device formed by same - Google Patents

Abstract

The utility model discloses a covering module and a covering device composed of the same, relating to the field of covering and evaporation prevention, comprising a covering module and a connecting component, wherein the covering module comprises a flat plate made of high polymer material, and the shape of the flat plate is one of triangle, quadrangle, hexagon and trapezoid; the connecting part is used for connecting two or more covering modules, and the connected covering modules form the covering device and are used for sealing the liquid level. The utility model has a modularized split structure, the covering module has simple structure, lightness and aging resistance, can be stacked and placed, reduces the packaging volume and has low transportation cost; the covering module is installed without distinguishing the front side and the back side, is convenient to connect, high in covering rate, stable in structure and good in stability when floating on the surface of liquid, has the function of automatically expanding or contracting and covering when the rising and falling surface area of the liquid changes, can cover the surface of the liquid to the maximum extent, and achieves the effect of limiting the evaporation of the liquid.

Description

Covering module and covering device formed by same

Technical Field

The utility model relates to a cover and prevent evaporation field, in particular to cover module and by its covering device who constitutes.

Background

The covering evaporation-preventing system is applied to the water body, and the purposes of controlling the temperature of the water body, reducing the exchange area between the water body and the outside and limiting the evaporation of the water body are achieved by reducing the direct incidence of sunlight on the water body and shielding the contact between the water body and flowing air. It can be seen that the prior patent CN105905247B for granted invention relates to a similar covering device-a floating ball and the prior patent CN105028303B for granted invention relates to a similar covering device-a floating ball, in the two prior art schemes, the covering module is a ball, which results in a larger contact area between the water body and the flowing air, a low water body surface coverage rate, a poor water body evaporation prevention effect, and a large transportation volume of the covering module; the prior granted utility model patent CN203080469U relates to a similar covering device, and the prior art scheme still has the defects of large transportation volume, inconvenience and construction inconvenience; the prior granted utility model patent CN2703801 relates to a similar covering device, and the prior art proposal increases the contact area between the water body and the outside due to the use of water holes, which can cause the covering rate of the water body, and uses mortise and tenon structure for connection, the connection needs to distinguish the connection direction, and the installation is inconvenient; the invention patent CN108779647A which is disclosed and enjoyed with foreign priority at present relates to a similar covering system and a method, and the technical scheme has the advantages of low water body coverage rate, complex module structure and inconvenient installation; the invention also discloses an invention patent US15548367, the technical proposal has no connecting device, so the whole structure is unstable when covering water, in addition, the transportation volume is large, and the front and the back of the covering module need to be distinguished when in construction.

According to the prior art, when the existing covering system is applied to a water body, the defects that the contact area of the water body and the outside is large, the covering rate of the water body is low, and the evaporation prevention effect is poor exist, or when the covering device covers the water body, the water level of the water body rises and falls, and the covering rate of the water body is influenced due to unstable connection of the covering device; in addition, in the existing water body covering system, the covering module distinguishes the front side and the back side, the construction is complicated, and the covering device cannot effectively resist water body storms; the covering module has the defects of large stacking volume, large transportation volume, high cost and the like.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned prior art's defect, the utility model aims to solve the technical problem that, current covering device can not control the three factor that influences the evaporation speed of water effectively: the temperature of the water body and the exposed surface area of the water body isolate the air flow on the surface of the water body and above the water body, and the evaporation prevention effect is poor; when the covering device covers the water body, the connection of the covering device is unstable when the water level of the water body rises and falls; the covering modules are used for distinguishing the front side and the back side and the mounting direction, the construction is complex, the stacking and transportation volume is large, and the transportation cost is high. Accordingly, those skilled in the art have endeavored to develop a covering device constructed of a covering module and a method of constructing the same. By directly adopting a covering and sealing mode acting on the surface of the liquid, three factors influencing the evaporation speed of the liquid can be effectively controlled: the temperature of the liquid, the exposed surface area of the liquid, and the isolation of the surface of the liquid from the air flow above the liquid, thereby achieving the purpose of limiting the evaporation of the liquid. The covering device is of a split modular structure, is simple in structure, convenient to transport, low in cost and stable in connection, does not distinguish the front side and the back side when covering module installation, is convenient to install, can furthest cover the surface of a liquid, and has the functions of automatically expanding, extending and contracting to cover when the liquid surface area is subjected to controllable change, so that the liquid temperature can be controlled to the greatest extent, the exchange area between the body and the outside is reduced, and the effect of limiting liquid evaporation is realized.

In order to solve the technical defects, the utility model firstly provides a covering module, which comprises a flat plate made of high polymer material, wherein the flat plate is in one of a triangle, a quadrangle, a hexagon and a trapezoid;

further, the high polymer material is polyethylene or polypropylene or a foamed high polymer material;

in one possible embodiment, the plate has a thickness of 1mm to 50 mm;

in one possible embodiment, the flat plate has a side length of 200mm to 1000 mm;

in one possible solution, the plate is provided with at least 1 hollow protuberance on each side;

further, the shape of the protrusion is a hollow hemisphere; it should be understood by those skilled in the art that the shape of the hollow protrusion is not limited to a hollow hemisphere, such as a hollow cube, a hollow ellipse, etc. to achieve the same technical effects;

in a possible embodiment, 2-8 hollow protrusions are provided on each side of the flat plate; when the flat plate acts on the liquid surface, the hollow bulges at the upper part of the flat plate contain air, the flat plate is influenced by gravity, so that the air in the hollow bulges at the upper part of the flat plate is compressed to generate pressure intensity which is higher than atmospheric pressure, the pressure intensity difference can enable the flat plate to generate larger buoyancy force on the liquid surface, when the hollow bulge structure at the lower part of the flat plate is contacted with the liquid surface, the contact area with the liquid surface can be increased, under the combined action of the hollow bulges at the two sides of the flat plate, the covering module can generate larger buoyancy force and surface tension force, and the stability of the covering module on the liquid surface is increased;

further, the number of the protrusions provided on both sides of the flat plate is the same;

furthermore, the bulges are respectively and symmetrically arranged on two sides of the flat plate, so that the balance of the flat plate can be kept;

in a possible scheme, n through holes are formed in the edge of the flat plate, and n is a positive integer greater than or equal to 1;

in one possible solution, each side of the flat plate is provided with at least 1 through hole;

furthermore, each edge of the flat plate is provided with 2-8 through holes;

furthermore, the surface of the flat plate is thickened at the through hole or is provided with a metal ring which is internally connected with the through hole. Thickening or the metal ring is internally connected with the through hole and is used for preventing the connecting part from tearing the through hole when the covering module is stressed;

in a feasible scheme, the covering module is black, so that the service life of the covering module can be prolonged, the liquid is effectively prevented from being heated up due to direct light by absorbing the direct light of the liquid, and the evaporation of the liquid is reduced by controlling the temperature of the liquid at a lower level;

in a feasible scheme, the surface of the covering module is coated with a hydrophilic coating, so that the surface tension of the covering module acting on the liquid level can be further increased, and the floating stability of the covering module is further improved;

in a feasible scheme, the surface of the covering module is coated with a reflective coating, so that the light of direct liquid can be reflected, the liquid is effectively prevented from being heated up due to the direct light, and the evaporation of the liquid is reduced by controlling the temperature of the liquid at a lower level.

It can be seen from the feasible scheme of covering the module, cover the module and can realize being convenient for pile up, the transportation is small, reduces the cost of transportation, covers the module and need not distinguish positive and negative and installation direction during construction operation simultaneously.

The utility model also provides a covering device, which comprises the covering module provided by the utility model, and a connecting part, wherein the connecting part is used for connecting two or more covering modules to form a covering module plate, thereby forming the covering device for sealing the liquid level;

further, the connecting part is a magnetic body which is arranged at the edge of the flat plate; the two or more than two covering modules are connected through the magnetic body in an adsorption manner;

further, the connecting part is a clamp which is arranged to be clamped at the edge of the covering module and is used for connecting two or more covering modules;

in a possible solution of the covering device, the connecting member is a tie or a lock ring, and the connecting member is used for connecting two or more covering modules by passing through the through hole, and forms the covering module plate after connection, thereby forming the covering device for sealing the liquid level;

in one possible embodiment of the covering device, a frame is further included; the frame is positioned on the outer edge of the covering module plate, the covering module plate is fixedly connected with the frame through the connecting component, and the covering device is formed after the connection and is used for sealing the liquid level;

furthermore, the frame comprises a cylindrical pipe and a joint, and the cylindrical pipe and the joint are connected to form a polygonal frame;

further, the cylindrical tube is made of a high polymer material, preferably a hollow plastic tube; the cylindrical pipe is connected with the joint to form the polygonal frame;

in one possible embodiment of the covering device, a covering module for expansion and an expansion connection part are also included; the covering module board is arranged in the frame and connected with the frame; the expansion connecting part is arranged, one end of the expansion connecting part is fixedly connected with the covering module for expansion, the other end of the expansion connecting part is connected with the frame, and the expansion connecting part can circumferentially rotate on the frame;

furthermore, the expansion connecting part comprises a covering module connecting part and a frame connecting part, the covering module connecting part is fixedly connected with the covering module for expansion, and the frame connecting part is connected with the frame and is arranged to rotate circumferentially on the frame;

further, the extension connecting part is an extension buckle and is made of high polymer materials, and the extension buckle comprises a clamping ring, a bayonet groove and a concave ring groove; the opening degree of the bayonet groove is larger than the thickness of the covering module; the frame comprises a cylindrical pipe and a joint, and the cylindrical pipe and the joint are connected to form a polygonal frame; wherein, preferably, the cylindrical tube is a hollow plastic tube; in the direction that the frame needs to be expanded, the clamping ring of the expansion extension buckle is connected with the frame in a clamping manner and can rotate circumferentially, the bayonet slot of the expansion extension buckle is connected with the flat plate of the covering module for expansion in an inserting manner, and when a binding tape or a locking ring is adopted at the same station for connection, the binding tape or the locking ring bypasses the groove ring of the expansion extension buckle and is fixedly connected with the covering module for expansion; the clamping connection part of the clamping ring and the cylindrical pipe is smooth in contact surface and has tolerance fit, so that the expansion extending buckle can be conveniently and circumferentially and flexibly rotated on the frame; the person skilled in the art will know that the expansion joint buckle is the preferred solution of the expansion joint component, of course, the expansion joint component is not limited to the buckle type connection mode, and other flexible connecting devices, such as a cable tie, a locking ring, and a lock catch, can be used to connect the cover module for expansion to achieve the above technical effects.

As can be known to those skilled in the art, a typical application scenario of the above technical solution is to cover a water body, but the above technical solution can also be used to cover other kinds of liquid surfaces such as oil, alcohol, and the like, so as to achieve the effect of limiting evaporation of the liquid.

The essence of the covering device provided by the utility model lies in that the covering module forming the covering device has simple structure, lightness and aging resistance, can be stacked and placed, reduces the packaging volume and is convenient to transport; the covering module is convenient to connect, high in covering rate, stable in structure and low in cost, and has the function of automatically expanding, extending or contracting the covering device when the liquid surface area is controllably changed along with the rise or fall of the liquid surface, so that the covering device is tightly attached to the liquid surface, the liquid temperature can be controlled to the maximum extent, the exchange area between the liquid surface and the outside is reduced, and the effect of limiting the evaporation of the liquid is realized.

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

Drawings

Fig. 1 is a schematic structural diagram of a preferred covering module of the present invention;

fig. 2 is a schematic structural view of a frameless covering device according to the present invention;

fig. 3 is a schematic structural view of a framed covering device according to the present invention;

fig. 4 is a schematic structural view of an extension buckle of the present invention;

fig. 5 is a schematic view of an extended buckle connection structure of the present invention;

FIG. 6 is an enlarged detail view of area E in FIG. 5;

FIG. 7 is a schematic cross-sectional view of the rotating structure A-A of FIG. 5;

FIG. 8 is an enlarged detail view of region F of FIG. 7;

fig. 9 is a schematic structural view of a covering device with extended extension function according to the present invention;

fig. 10 is a schematic view of the stacking structure of the covering modules according to the present invention;

fig. 11 is a schematic structural view of another preferred covering module of the present invention;

fig. 12 is a schematic structural view of another preferred covering module of the present invention;

fig. 13 is a schematic structural view of another preferred covering module of the present invention;

fig. 14 is a schematic view of another preferred covering device according to the present invention;

wherein, 1-a covering device; 2-covering the module; 3-a frame; 4-a flexible connection means; 5-expanding the extension buckle; 10-hollow protrusions; 20-plate; 22-a through hole; 31-a cover device; 51-a snap ring; 52-bayonet slot; 53-a concave ring groove; 91-a cover device; 101-a cover device; 102-a cover module; 110-hollow protrusions; 120-plate; 122-a through hole; 132-a cover module; 140-hollow protrusions; 150-plate; 152-a through hole; 162-a cover module; 170-hollow protrusions; 180-plate; 182-a magnetic body; 185-plate frame.

Detailed Description

The technical contents of the preferred embodiments of the present invention will be more clearly understood and appreciated by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments, and the scope of the invention is not limited to the embodiments described herein.

In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity. In the drawings, hatched portions are indicated by oblique lines to indicate upward projections.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", "edge", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

The first embodiment is as follows:

as shown in fig. 1, for the present invention provides a covering module, which comprises a flat plate made of polyethylene or polypropylene or other foamed polymer material, wherein the flat plate is in the shape of one of triangle, quadrangle, hexagon and trapezoid, the thickness is 1mm to 50mm, and the side length is 200mm to 1000 mm; optionally, n through holes are formed in the edge of the covering module, where n is a positive integer greater than or equal to 1; optionally, the panel further comprises hollow protrusions, and each surface of the flat plate is provided with at least 1 hollow protrusion; those skilled in the art will appreciate that the hollow protrusion may be in the shape of a hollow hemisphere, a hollow polygon, a hollow ellipse, etc.

Example two:

as shown in fig. 1, which is a preferred technical solution of the first embodiment, the covering module 2 includes a hollow protrusion 10, a flat plate 20 and a through hole 22, preferably, the covering module 2 is made of polyethylene, and the color of the body is black, so that the covering module is resistant to aging and is used for absorbing light directly irradiating the liquid surface to control the temperature of the liquid; the thickness of the flat plate is 1mm to 50mm, and the side length of the flat plate is 200mm to 1000 mm; in a preferred embodiment of the present invention, the thickness of the flat plate 20 is 2mm, the side length of the flat plate is 500mm, and the shape of the flat plate is quadrilateral; four staggered hollow bulges 10 are uniformly distributed on two surfaces of the flat plate 20, preferably, the hollow bulges 10 are in a hollow hemispherical shape; each side of the flat plate 20 is uniformly provided with 4 through holes 22, and four corners of the flat plate are respectively provided with 1 through hole 22; optionally, the surface of the flat plate 20 is subjected to anti-tearing treatment at the through hole 22, and the treatment mode can be that a metal ring is arranged and is inscribed in the through hole 22, or the surface of the flat plate 20 is thickened at the through hole 22; preferably, the surface of the plate 20 is thickened at the through hole 22; since the cover module 2 is connected to the connection member through the through-hole 22, it is arranged to prevent the connection member from tearing the through-hole 22 when the cover module 2 is subjected to a force; experiments prove that when the covering module 2 acts on the liquid surface, the hollow bulge 10 on the upper part of the flat plate 20 acts on the liquid surface and is sealed with air, the covering module 2 is influenced by gravity, so that air in the hollow bulge on the upper part of the flat plate is compressed to generate pressure intensity larger than atmospheric pressure, the pressure intensity difference can enable the flat plate to generate larger buoyancy, and the hollow bulge structure on the lower part of the flat plate can increase the contact area with the liquid surface when contacting with the liquid surface, in particular, when the technical scheme of the second embodiment is adopted, under the combined action of the hollow bulges 10 on the two sides of the flat plate 20, the effect that the covering module 2 generates larger buoyancy and surface tension on the liquid surface is optimal, and the stability of the covering module on the liquid surface is improved.

Example three:

as shown in fig. 11, which is another preferred technical solution of the first embodiment, wherein the cover module 132 comprises a flat plate 150, the thickness of the flat plate 150 is 1-50mm, and the side length of the flat plate is 200 mm-1000 mm; in a preferred embodiment of the present invention, the thickness of the flat plate 150 is 5mm, the side length of the flat plate is 250mm, and the shape of the flat plate is quadrilateral; two sides of the flat plate 150 are respectively provided with 3 hollow protrusions 140, preferably, the hollow protrusions are hollow hemispheres; four corners of the flat plate 150 are respectively provided with 1 through hole 152, and each side of the flat plate 150 is respectively provided with 3 through holes 152; the surface of the plate 150 is treated with a tearing prevention process at the through hole 152 for preventing the connecting member from tearing the through hole 152 when the cover module 132 is stressed.

Example four:

as shown in fig. 12, another preferred solution of the first embodiment is that the covering module 102 includes a flat plate 120, which has a hexagonal shape, and 4 hollow protrusions 110 are uniformly disposed on two sides of the flat plate 120, preferably, the hollow protrusions are hollow hemispheres; each side of the flat plate 120 is provided with 3 through holes 122, and the surface of the flat plate 120 is thickened at the through holes 122, so that the connecting part is prevented from tearing the through holes when the covering module is stressed.

Example five:

as shown in fig. 13, which is another preferred technical solution of the first embodiment, the covering module 162 includes a flat plate 180, which has a hexagonal shape, and 4 convex hollow protrusions 170, preferably, hollow hemispheres, are uniformly disposed on both sides of the flat plate 180; preferably, each edge of the flat plate 180 is provided with a flat plate frame 185, the flat plate frame 185 is provided with a magnetic body 182, and the magnetic body 182 enables the adjacent covering modules 162 to be easily connected by absorption through the magnetic body 182; those skilled in the art should understand that the plate frame 185 in the fifth embodiment is not necessary, as long as the magnetic body 182 can be disposed on each edge of the plate 180, so that the adjacent covering modules 162 can be connected by the magnetic body 182 in an absorbing manner, and such technical solutions should also be protected by the present invention;

those skilled in the art will know that the covering module can be a magnetic body or a through hole according to the shape, size, thickness and whether to set or be provided with different numbers and shapes of hollow protrusions, and the number of the through holes and the number of the flat surfaces are thickened or set internally in the metal rings of the through holes at the through holes, and the new covering module technical scheme formed by various combinations is provided, and meanwhile, as shown in fig. 10, the covering module is easy to see, small in transportation volume and capable of greatly reducing transportation cost after being stacked.

Example six:

as shown in fig. 2, the frameless covering device provided by the present invention comprises a covering module and a connecting component provided by the present invention; the connecting part is used for connecting two or more covering modules, and the connected covering modules form a covering device for sealing the liquid level; wherein the connecting part is a flexible connecting device or a magnetic body or a clamp.

Example seven:

as shown in fig. 2, a preferred solution of the sixth embodiment is shown, wherein the covering device 31 comprises the covering module 2 of the first embodiment provided by the present invention, and further comprises a flexible connecting device 4, preferably a tie or a locking ring; the flexible connecting device 4 is used for connecting two or more covering modules by penetrating through holes arranged on the covering modules, and the connected covering modules form a frameless covering device for sealing liquid level.

Example eight:

as shown in fig. 14, another preferred embodiment of the sixth embodiment is that, the covering device 101, including the covering module 162 of the fifth embodiment, two or more covering modules 162 are connected by the magnetic body 182 in an adsorbing manner to form the covering device 101 for sealing the liquid level.

Example nine:

as shown in fig. 3, the covering device with a frame provided by the present invention includes a covering module, a frame and a connecting component; wherein the frame comprises a cylindrical pipe and a joint; optionally, the cylindrical tube is made of a high polymer material, and is preferably a hollow plastic tube; the cylindrical pipe is connected with the joint to form a polygonal frame; the connecting part is used for connecting two or more covering modules to form a covering module plate, wherein the connecting part is a flexible connecting device or a magnetic body or a clamp; the frame is positioned on the outer edge of the covering module plate and is connected with the frame through a connecting part to form a covering device for sealing the liquid level.

Example ten:

as shown in fig. 3, which is a preferred technical solution of the ninth embodiment, wherein the covering device 1 includes the covering module 2 of the first embodiment, and further includes a frame 3 and a flexible connecting device 4, the connecting device is used to connect two or more covering modules to form a covering module board; preferably, the flexible connecting means 4 is a tie or a lock ring; frame 3 includes cylindrical pipe, preferred, the cavity plastic tubing, still includes the joint, and cylindrical pipe and joint are stably connected, constitute at the coplanar polygon the frame, preferred, be the quadrangle frame, the frame is along the outer of covering the module board to with cover module board fixed connection, constitute and cover device 1. Due to the stable connection structure of the frame 3 and the arrangement of the hollow protrusions of the covering module 2 in the first embodiment, the covering device 1 has better stability on the liquid surface and stronger liquid fluctuation resistance; the covering modules 2 are symmetrically designed in structural shape, simple and light in structure, ageing-resistant, stackable, small in packaging volume and low in transportation cost; the front side and the back side are not distinguished when the covering module is installed, and the connection is convenient; the covering device is simple and stable in structure, convenient to install, high in covering rate, good in stability when floating on the surface of liquid, and capable of covering the surface of the liquid to the greatest extent, controlling the temperature of the liquid and reducing the exchange area between the liquid and the outside, and achieving the effect of limiting the evaporation of the liquid.

Example eleven:

as shown in fig. 9, the present invention further provides a covering device with an extended function, which comprises a covering module, a frame, a connecting component and an extended connecting component provided in the present invention; the covering device is formed by manufacturing a frame according to a designed size; connecting two or more covering modules by using a connecting part to form an integral covering plate; the integral cover plate is arranged in the frame and is fixedly connected with the frame through the connecting part; one end of the expansion connecting part is fixedly connected with the covering module, and the other end of the expansion connecting part is arranged to be connected with the frame in a clamping manner and can rotate on the frame in the circumferential direction, so that a covering device is formed and is placed on the surface of the liquid to be covered; preferably, the frame of the cover device comprises a cylindrical tube and a joint; the cylindrical tube is made of high polymer materials, preferably a hollow plastic tube; the cylindrical pipe is connected with the joint to form a polygonal frame; the connecting part is used for connecting two or more covering modules to form a covering module plate, and the frame is arranged on the outer edge of the covering module plate and fixedly connected with the covering module plate; the extension connecting part comprises a covering module connecting part and a frame connecting part, the covering module connecting part is fixedly connected with a covering module used for extension, and the frame connecting part is connected with a frame and is arranged to rotate circumferentially on the frame.

Example twelve:

as shown in fig. 9, a preferred solution of the eleventh embodiment is provided, and for facilitating understanding of the twelfth embodiment, reference is made to fig. 3 to 7; a cover device 91 with an expansion extension function comprises ten kinds of the frame cover devices 1 of the embodiment, and further comprises a cover module 2 for expansion, an expansion extension buckle 5 and a flexible connecting device 4, wherein the flexible connecting device 4 is preferably a cable tie or a lock ring; the extension buckle 5 is arranged in a way that one end is connected with the hollow plastic pipe of the covering device 1 in the direction needing to be extended in a clamping way, and the other end is fixedly connected with the covering module 2 used for extension; optionally, the expanded covering modules 2 may be further interconnected laterally or longitudinally using flexible connection means 4 for further expanding the covering device 1; as shown in fig. 4, the extension buckle 5 is made of a polymer material, and is provided with a snap ring 51, a bayonet groove 52 and a concave ring groove 53; the specific connection mode between the frame 3 and the covering module 2 for expansion is, as shown in fig. 5, to connect one end of the expansion extension buckle 5 with the hollow plastic pipe of the frame 3 in a snap-fit manner; the open slot 52 of the extension buckle 5 is fixedly connected with the flat plate 20 of the extended covering module 2 in an inserting manner, the other end of the extension buckle 5 is fixedly connected with the through hole 22 of the flat plate 20 of the covering module at the same station by using the flexible connecting device 4, and preferably, as shown in fig. 6 and 8, the groove ring 53 of the extension buckle 5 is locked on the through hole 22 of the extended covering module 2 by using a bandage or a locking ring; the covering module 2 for expansion is connected with the hollow plastic pipe of the frame 3 in a clamping manner through the snap ring 51 of the expansion extending buckle 5, because the expansion extending buckle 5 is fixedly connected with the covering module 2 for expansion, the expansion extending buckle 5 can enable the expansion extending buckle 5 to rotate circumferentially on the hollow plastic pipe of the frame 3 along with the change of the stressed contact point of the covering module 2 for expansion, thereby enabling the connected covering module 2 for expansion to rotate circumferentially on the frame 3, and realizing the effect that the connection angle of the expanded covering module 2 and the covering device 1 is changed, specifically as shown in fig. 7, the rotating operation track of the covering module 2 for expansion is arc-shaped, and the vertical rotating opening angle can be close to 180 degrees. When the surface area of the liquid is changed along with the rise and the fall of the liquid level, the covering device 91 can be changed along with the change of the surface area of the liquid, so that the purpose that the covering device is tightly attached to the liquid surface is achieved, and the liquid surface is dynamically covered to the maximum extent; in addition, when the liquid surface part needs to be flexibly opened for use, such as a water pump for pumping water, the covering module 2 can be upwards turned by 180 degrees for temporary windowing operation, and the covering state is recovered after the operation is finished; therefore, the essence of the covering device 91 in the embodiment has a split structure with a simple structure, is small in transportation volume, convenient and fast to install, stable in covering, low in cost, and capable of furthest covering the liquid surface, and has the function of automatically expanding, extending and covering when the water area is controllably changed, so that the exchange area between the liquid surface and the outside can be furthest reduced, and the purpose of limiting the evaporation of the liquid is achieved.

It will also be appreciated by those skilled in the art that the use of any of the above described modules or covering devices comprising the modules can be used for covering liquid surfaces, preferably water surfaces, in particular water surfaces in ponds, pits, ponds, rivers, lakes, but also other kinds of liquid surfaces such as oils, alcohols, etc.

In summary, those skilled in the art should understand that, in different technical solutions, the covering module has a simple and light structure, is aging-resistant, can be stacked, reduces the transportation volume, and has a low transportation cost; the covering module is installed without distinguishing the front side, the back side and the direction, and has good stability when floating on the surface of liquid; the covering device has the advantages of low use cost, convenient construction and connection, high covering rate and stable structure, can cover the liquid surface to the maximum extent, and achieves the effect of limiting the evaporation of the liquid.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," "another embodiment," and "an extended embodiment," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Preferred embodiments of the present invention have been described in detail above. It will be understood that numerous modifications and variations can be devised by those skilled in the art without departing from the spirit of the present invention, and it is intended to cover all modifications and equivalents of the principles of the invention as described in the foregoing embodiments. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims (29)

1. The utility model provides a cover module, its characterized in that, cover module includes the flat board that macromolecular material made, the shape of flat board is one of triangle-shaped, quadrangle, hexagon, macromolecular material is polyethylene or polypropylene or expanded macromolecular material, each face of flat board sets up 1 at least hollow arch.

2. The cover module of claim 1, wherein the flat plate has a thickness of 1mm to 50 mm.

3. The cover module of claim 1, wherein the protrusion is shaped as a hollow hemisphere.

4. A covering module according to claim 1, wherein 2-8 hollow protrusions are provided on each side of the plate.

5. The cover module according to claim 4, wherein the protrusions are symmetrically disposed on both sides of the flat plate, respectively.

6. The cover module according to claim 1, wherein n through holes are provided at the edge of the flat plate, n being a positive integer greater than or equal to 1.

7. A cover module according to claim 1, wherein at least 1 through hole is provided per side of the plate.

8. A cover module according to claim 1, wherein 2-8 through holes are provided per side of the plate.

9. Covering module according to claim 6, characterized in that the surface of the plate is thickened at the through-hole or provided with a metal ring which is connected to the through-hole.

10. The covering module of claim 1, wherein the plate is black in color.

11. The masking module of claim 1, wherein the masking module surface is coated with a hydrophilic coating.

12. The masking module of claim 1, wherein the masking module surface is coated with a light reflecting coating.

13. A cover device comprising a cover module according to any one of claims 1-12, and further comprising connecting means for connecting two or more of said cover modules to form a cover module plate, thereby forming said cover device for closing a liquid surface.

14. A covering device according to claim 13, wherein said connecting member is a magnetic body provided at an edge of said plate; two or more than two covering modules are connected through the magnetic body in an adsorption mode.

15. A cover device according to claim 13, wherein said connecting member is a clip arranged to be clipped to an edge of said cover module to connect two or more of said cover modules.

16. A covering device according to claim 13, further comprising a rim located at the outer edge of the covering module panels, the covering module panels being fixedly connected to the rim by the connecting members to form the covering device for closing the liquid level.

17. A covering device according to claim 16 wherein said border comprises a cylindrical tube and a connector, said cylindrical tube and said connector being connected to form a polygonal shape of said border.

18. A covering device according to claim 17, wherein said cylindrical tube is made of a polymeric material.

19. A covering device according to claim 17, wherein said cylindrical tube is a hollow plastic tube.

20. A covering device according to claim 16, further comprising a covering module for expansion and an expansion connection member; the frame is positioned on the outer edge of the covering module plate and is connected with the covering module for expansion through the expansion connecting part, and the covering module plate is connected with the frame through the connecting part.

21. A covering assembly according to claim 20, wherein said expansion attachment means comprises covering module attachment portions fixedly attached to said covering modules for expansion and rim attachment portions attached to said rim, said expansion attachment means being arranged for circumferential rotation on said rim.

22. A covering device comprising a covering module according to any of claims 6-9, and further comprising a connecting member, which is a band or a locking ring, for connecting two or more covering modules by passing through the through-hole, the connected covering modules forming a covering module plate, thereby constituting the covering device for closing a liquid surface.

23. A covering device according to claim 22, further comprising a rim located at the outer edge of the covering module panels, the covering module panels being fixedly connected to the rim by the connecting members to form the covering device for enclosing a liquid surface.

24. A covering device according to claim 23 wherein said border comprises a cylindrical tube and a connector, said cylindrical tube and said connector being connected to form a polygonal shape of said border.

25. A covering device according to claim 24, wherein said cylindrical tube is made of a polymeric material.

26. A covering device according to claim 24, wherein said cylindrical tube is a hollow plastic tube.

27. A covering device according to claim 23, further comprising a covering module for expansion and an expansion connection member; the frame is positioned on the outer edge of the covering module plate and is connected with the covering module for expansion through the expansion connecting part, and the covering module plate is connected with the frame through the connecting part.

28. A covering assembly according to claim 27, wherein said expansion attachment means comprises covering module attachment portions fixedly attached to said covering modules for expansion and rim attachment portions attached to said rim, said expansion attachment means being arranged for circumferential rotation on said rim.

29. A covering device according to claim 27, wherein said extension coupling member is an extension clip made of a polymeric material, said extension clip including a snap ring, a bayonet groove, a concave ring groove; in the direction in which the frame needs to be expanded, the frame is connected with the covering module used for expansion through the expansion extension buckle, and a clamping ring of the expansion extension buckle is connected with the frame in a clamping manner and can rotate along the circumferential direction; the open slot of the extension buckle is connected with the flat plate of the extension covering module in an inserting manner, and is fixedly connected with the extension covering module by a binding belt or a locking ring which bypasses the groove ring of the extension buckle.

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