CN113931284B

CN113931284B - Rain grate and shutter blade

Info

Publication number: CN113931284B
Application number: CN202111217811.3A
Authority: CN
Inventors: 刘锡禹; 刘锡尧
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2023-06-30
Anticipated expiration: 2041-10-19
Also published as: CN113931284A

Abstract

The invention provides a rain grate and a shutter blade, the rain grate comprises: support frame, a plurality of tripe blade, collection rain structure, counter weight structure, support frame includes: left side fixed plate and right side fixed plate which are transversely opposite; a plurality of shutter blades, each shutter blade is provided with two rotating shafts; two first connecting lugs are arranged at the rear position of the upper surface of each shutter blade; two second connecting lugs are arranged at the position, which is in front of the upper surface of each shutter blade, of the shutter blade, and the transverse distance between the two second connecting lugs is larger than that between the two first connecting lugs; the rain collection structure includes: the rain collecting container, the first suspension bottom plate and the plurality of first suspension connecting rods positioned at the left side and the right side of the rain collecting container; the counterweight structure of the rain grate comprises: the second suspension bottom plate and the lower ends of the second suspension connecting rods are connected to the left side and the right side of the second suspension bottom plate. The utility model has the advantages of prevent silting up, prevent empting, prevent stink etc. drainage efficiency is high, has saved the manpower.

Description

Rain grate and shutter blade

Technical Field

The invention relates to the technical field of drainage, in particular to a rainwater grate and a louver blade.

Background

Urban inland inundation brings great inconvenience to the life of residents, and the reasons for occurrence of the urban inland inundation are mainly two reasons: on one hand, the urban scale rapidly expands to exacerbate the occurrence of the 'rain island effect', so that local heavy rain with high intensity in a small range frequently occurs; on the other hand, the development of urban drainage systems is severely delayed by the rapid expansion rate of cities, and drainage tools are generally not advanced enough. One of the common drainage tools of the rain grate, however, the current rain grate has at least one of the following problems:

1) Easily blocked, accumulated leaves, sediment and household garbage, and can be cleaned only by periodic manual inspection;

2) The drainage capacity is limited, the drainage requirement when the rainfall is large can not be met, and the drainage sectional area of most of the rainwater grate is only 45% -60% of the rainwater grate;

3) If the rainfall is large, the rainwater grate can only be opened manually, and a large amount of manpower is consumed.

Disclosure of Invention

The embodiment of the invention provides a rainwater grate and a louver blade, which are used for overcoming or relieving the problems. The invention adopts the technical scheme that:

a rain grate, which comprises a main body,

a support frame, the support frame comprising: left side fixed plate and right side fixed plate which are transversely opposite; a plurality of louver blades, wherein:

each louver blade is provided with two rotating shafts, the two rotating shafts are arranged close to the front side of the corresponding louver blade and far away from the rear side of the corresponding louver blade, one rotating shaft is positioned on the left side of the louver blade and is rotationally connected with the left side fixing plate, and the other rotating shaft is positioned on the right side of the louver blade and is rotationally connected with the right side fixing plate;

two first connecting lugs are arranged at the rear position of the upper surface of each shutter blade, one first connecting lug is close to the left side fixing plate, and the other first connecting lug is close to the right side fixing plate;

two second connecting lugs are arranged at the position, which is in front of the upper surface of each shutter blade, of one second connecting lug, which is close to the left side fixing plate, and the other second connecting lug, which is close to the right side fixing plate, and the transverse distance between the two second connecting lugs is larger than the transverse distance between the two first connecting lugs;

the rain collection structure, the rain collection structure is located a plurality of tripe blade below, the rain collection structure includes: the rain collecting device comprises a rain collecting container, a first hanging bottom plate and a plurality of first hanging connecting rods positioned at the left side and the right side of the rain collecting container, wherein the rain collecting container is borne on the first hanging bottom plate; wherein:

the lower end of any first hanging connecting rod is connected with the left side of the first hanging bottom plate, and the upper end of any first hanging connecting rod is connected with a first connecting lug close to the left side fixing plate;

any one of the first hanging connecting rods positioned on the right side of the rain collecting container is connected with the right side of the first hanging bottom plate at the lower end, and the first connecting lug close to the right side fixing plate is connected with the upper end of the first hanging connecting rod;

the counter weight structure, the counter weight structure is located collect rain structure below, the counter weight structure includes: the second hangs the bottom plate, the lower extreme is connected a plurality of second both sides of bottom plate is hung to the second, wherein: and for any second hanging connecting rod positioned on the left side, the second hanging connecting rod is connected with a second connecting lug close to the left side fixing plate, and for any second hanging connecting rod positioned on the right side, the second hanging connecting rod is connected with a second connecting lug close to the right side fixing plate. The louver blade is provided with two rotating shafts, the two rotating shafts are arranged close to the front side of the corresponding louver blade and far away from the rear side of the corresponding louver blade, one rotating shaft is positioned on the left side of the louver blade and is rotationally connected with the left fixing plate, and the other rotating shaft is positioned on the right side of the louver blade and is rotationally connected with the right fixing plate;

two first connecting lugs are arranged at the rear position of the upper surface of the shutter blade, one first connecting lug is close to the left side fixing plate, and the other first connecting lug is close to the right side fixing plate;

the upper surface of tripe blade is provided with two second engaging lugs in the position forward, and one of them second engaging lug is close to left side fixed plate, another one second engaging lug is close to right side fixed plate, and the transverse interval between two second engaging lugs is greater than the transverse interval between two first engaging lugs.

The expression "several" as used herein means "two or more", i.e. at least 2. The rainwater grate comprises a supporting frame, a plurality of louver blades, a rainwater collecting structure and a counterweight structure, wherein each louver blade is provided with a rotating shaft so as to be rotationally connected with the supporting frame, the rainwater collecting structure is connected with a position point on each louver blade, which is located at the rear, below the louver blades, and the counterweight structure is connected with a position point on each louver blade, which is located at the front, below the rainwater collecting structure; when the rainwater collected in the rainwater collecting structure is enabled to be greater than or equal to the balance weight of the balance weight structure, the plurality of louver blades rotate anticlockwise around the corresponding rotating shafts of the louver blades, so that the rainwater grate is opened, the rainwater enters into the underground pipeline through the rainwater grate, and when the balance weight of the rainwater collecting structure is smaller than the balance weight of the balance weight structure, the plurality of louver blades rotate clockwise around the corresponding rotating shafts of the louver blades, so that the rainwater grate is closed, and the rainwater collecting structure has the following advantages:

1. adopt shutter type structure, shutter is closed at ordinary times, can prevent that leaf, silt and domestic waste from getting into, has the siltation-proof and blocks up, prevents empting, advantage such as deodorant taste.

2. Adopt two-layer link mechanism design, make full use of parallelogram's instability, utilize the rainwater, the counter weight difference of the power between the counter weight to realize when raining that the tripe opens fast, drainage efficiency is high, and need not the operation of manual opening, has saved the manpower.

Drawings

FIG. 1A is a schematic view of a three-dimensional structure of a rain grate according to an embodiment of the present application;

FIG. 1B is a schematic view of a second perspective view of a rain grate according to an embodiment of the present disclosure;

FIG. 2A is a schematic view of a left or right side fixing plate according to an embodiment of the present application;

fig. 2B is a schematic structural view of the first side plate according to the embodiment of the present application;

fig. 2C is a schematic structural view of a second side plate according to an embodiment of the present application;

fig. 2D is a schematic structural diagram of a cover plate according to an embodiment of the present application;

FIG. 3A is a schematic view of a first suspension floor according to an embodiment of the present application;

FIG. 3B is a second schematic view of the first suspension floor according to the embodiment of the disclosure;

FIG. 3C is a schematic view of a first hanger rail in an embodiment of the present application;

FIG. 3D is a schematic view of a first suspension strut according to an embodiment of the present disclosure;

FIG. 3E is a second schematic view of a first suspension strut according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural view of a second suspension mat according to an embodiment of the present application;

FIG. 5A is a schematic illustration of a composite structural suspension strut in an embodiment of the present application;

fig. 5B is a second schematic structural view of a suspension strut of a composite structure according to an embodiment of the present application.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The rainwater grate comprises a supporting frame, a plurality of louver blades, a rainwater collecting structure and a counterweight structure, wherein each louver blade is provided with a rotating shaft so as to be rotationally connected with the supporting frame, the rainwater collecting structure is connected with a position point on each louver blade, which is located at the rear, below the louver blades, and the counterweight structure is connected with a position point on each louver blade, which is located at the front, below the rainwater collecting structure; when the rainwater collected in the rainwater collecting structure is enabled to be greater than or equal to the balance weight of the balance weight structure, the plurality of louver blades rotate anticlockwise around the corresponding rotating shafts of the louver blades, so that the rainwater grate is opened, the rainwater enters into the underground pipeline through the rainwater grate, and when the balance weight of the rainwater collecting structure is smaller than the balance weight of the balance weight structure, the plurality of louver blades rotate clockwise around the corresponding rotating shafts of the louver blades, so that the rainwater grate is closed, and the rainwater collecting structure has the following advantages:

The following examples exemplarily illustrate the rain grate provided in the embodiments of the present application.

FIG. 1A is a schematic view of a three-dimensional structure of a rain grate according to an embodiment of the present application; FIG. 1B is a schematic view of a second perspective view of a rain grate according to an embodiment of the present disclosure; as shown in fig. 1A and 1B, the rain grate includes: the device comprises a supporting frame 101, a plurality of louver blades 102, a rain collecting structure 103 and a weight structure 104, wherein the rain collecting structure 103 is positioned below the louver blades 102, and the weight structure 104 is positioned below the rain collecting structure 103.

Wherein the support frame 101 includes: left and right fixing plates 111 and 121 disposed laterally opposite to each other, and front and rear fixing plates (not shown) disposed longitudinally opposite to each other. Since the louver 102 is not provided on the front side fixing plate and the rear side fixing plate, it is possible to omit the louver in some application scenarios, and instead, it is sufficient to directly use a ground structure.

Each louver blade 102 is provided with two rotating shafts 112, the two rotating shafts 112 are disposed close to the front side of the corresponding louver blade 102 and far away from the rear side of the corresponding louver blade 102, one rotating shaft 112 is located on the left side of the louver blade 102 and is rotationally connected with the left fixing plate 111, and the other rotating shaft 112 is located on the right side of the louver blade 102 and is rotationally connected with the right fixing plate 121.

Through the arrangement position of the two rotating shafts 112, the two rotating shafts are close to the front side of the corresponding louver blade 102 and far away from the rear side of the corresponding louver blade 102, a position point which is close to the rear and close to the front is formed on each louver blade, which is equivalent to setting up two lever fulcrums for each louver blade 102, so that the two rotating shafts can rotate anticlockwise or clockwise when the front side and the rear side of the louver blade 102 form a weight difference, and the rainwater grate can be in an open state or a closed state.

Illustratively, the rotational shaft 112 on each louver 102 is preferably integrally formed with the body of the louver 102, thereby ensuring the overall rigidity of the louver 102.

Illustratively, the cross-section of the rotating shaft 112 is circular; of course, alternatively, the cross-section of the rotation shaft 112 is shaped

Two first connecting lugs 122 are disposed on the rear surface of each louver 102, wherein one first connecting lug 122 is close to the left fixing plate 111, and the other first connecting lug 122 is close to the right fixing plate 121.

Illustratively, the first connecting lug 122 is provided with a through hole, and the shape of the through hole is not particularly limited, so as to be connected with the first suspension link 133 by means of a pin joint, thereby reducing the complexity of structural design and simultaneously reducing the difficulty of construction.

Two second connecting lugs 132 are disposed at the front position of the upper surface of each louver 102, wherein one second connecting lug 132 is close to the left fixing plate 111, the other second connecting lug 132 is close to the right fixing plate 121, and the lateral distance between the two second connecting lugs 132 is greater than the lateral distance between the two first connecting lugs 122, so that the louver can freely rotate without any movement jamming. For example, see fig. 1B below, the first suspension link 133 and the second suspension link 124 are driven to rotate freely without any motion jamming.

Specifically, as previously described, the louvres 102 may be rotated counterclockwise or clockwise.

Illustratively, the second connecting lug 132 is also provided with a through hole, and the shape of the through hole is not particularly limited, so that the through hole can be connected with the second suspension link 124 by means of a pin joint, thereby reducing the complexity of structural design and reducing the difficulty of construction.

In this embodiment, the rain collecting structure 103 includes: the rain collecting container 113, the first suspension base 123, and a plurality of first suspension links 133 positioned at the left side and the right side of the rain collecting container 113, wherein the rain collecting container 113 is carried on the first suspension base 123.

It should be noted that, in the embodiment of the present application, the rain collecting container 113 is a larger structure, and in other embodiments, a plurality of smaller structures may be also used, where each smaller structure corresponds to one rain collecting container 113, for example, three rain collecting containers 113 are located at a middle position of the first suspension base 123, and two other rain collecting containers 113 are respectively disposed near two ends of the first suspension base 123.

Illustratively, the rain collecting container 113 is used for receiving part of rainwater, and the shape of the rain collecting container 113 can be customized according to application requirements, and can also be cylindrical or cuboid. In addition, the bottom surface of the rain container 113 may be a flat surface or an inclined surface. When the bottom surface of the rain collecting container 113 is an inclined surface, the speed of flowing water can be accelerated, impurities can be discharged along the inclined surface, and the cleaning efficiency of the rain collecting container 113 is increased.

In the rain collecting structure 103, any one of the first hanging links 133 located at the left side of the rain collecting container 113 is connected at its lower end to the left side of the first hanging base 123, and is connected at its upper end to the first connecting lug 122 near the left side fixing plate 111. In the rain collecting structure 103, any one of the first hanging links 133 located on the right side of the rain collecting container 113 is connected at its lower end to the right side of the first hanging base 123, and is connected at its upper end to the first connecting lug 122 near the right side fixing plate 121. In this way, it is achieved that a plurality of first hanging links 133 are provided at both left and right sides of the rain collecting container 113, respectively, thereby playing a fixing role for the rain collecting container 113 from both left sides, so that the rain collecting container 113 is firmly fixed on the first hanging bottom plate 123.

Illustratively, the first suspension link 133 is coupled, preferably movably coupled, to the first connection tab 122 to accommodate rotation of the louvre 102.

Illustratively, the shape and number of the first suspension links 133 are not particularly limited, as long as they can cooperate with the first suspension floor 123 to carry the rain container 113.

Illustratively, the shape of the first suspension floor 123 is not particularly limited, as long as it can cooperate with the first suspension link 133 to carry the rain container 113.

The counterweight structure includes: the second suspension floor 114, and a plurality of second suspension links 124 having lower ends connected to left and right sides of the second suspension floor 114.

In the counterweight structure, the second connecting lugs 132 near the left fixing plate 111 are connected to any one of the second suspension links 124 located on the left side, and the second connecting lugs 132 near the right fixing plate 121 are connected to any one of the second suspension links 124 located on the right side.

Illustratively, the second suspension link 124 is preferably movably coupled to the second link 132. In addition, since the lateral distance between the second connecting lugs 132 is greater than the lateral distance between the two first connecting lugs 122, and the connection relationship between the first hanging connecting rod 133 and the second hanging connecting rod 124 is matched, the shutter blades form a gap between the shutter blades without rotating when the rain is small, so that water passing is facilitated.

Of course, in other embodiments, if it is desired that no or less clearance is provided between the louvers when no rotation of the louvers occurs, a slot may be provided in the louvers to facilitate passage of the second hanging link 124 therethrough for connection with the second connecting lug 132, while water is being passed through the slot. Illustratively, any one of the left side fixing plate 111 and the right side fixing plate 121 is a fixing plate of a composite structure including: the cover plate (including upper cover plate, lower cover plate), a plurality of first curb plates, a plurality of second curb plates.

FIG. 2A is a schematic view of a left or right side fixing plate according to an embodiment of the present application; fig. 2B is a schematic structural view of the first side plate according to the embodiment of the present application; fig. 2C is a schematic structural view of a second side plate according to an embodiment of the present application; fig. 2D is a schematic structural diagram of a cover plate according to an embodiment of the present application;

as shown in fig. 2A, a second side plate 1113 is provided on both the inner side and the outer side of the fixing plate of the composite structure; between the inner side and the outer side of the fixing plate of the composite structure, the first side plate 1112 and the second side plate 1113 are arranged at intervals, so that the through hole on the cover plate is engaged with the tooth structure. As shown in fig. 2D, the cover plate is provided with a through hole; as shown in fig. 2B, the upper and lower end surfaces of each first side plate 1112 are provided with a plurality of protruding tooth structures; the tooth structure is matched with the shape of the through hole, as shown in fig. 2D and 2B, the tooth structure is shaped like a convex character, and the matched through hole is a strip through hole, so that the tooth structure is nested in the matched through hole. In addition, by such a protruding tooth structure, the strength of the connection point of the cover plate and the first side plate 1112 is increased.

As shown in fig. 2C, the upper and lower end surfaces of each second side plate 1113 are of a planar structure, so that when the upper and lower end surfaces are spaced from the first side plates 1112, two first side plates 1112 can be clamped with one second side plate 1113, so that the structural strength of the fixing plate of the composite structure is ensured through the clamping relationship of the tooth structure and the through hole, and meanwhile, the assembly and the maintenance are convenient.

As shown in fig. 2B and 2C, a plurality of through holes are further formed in the first side plate 1112 and the second side plate 1113, and the rotation shaft is inserted into the through holes, so as to be rotatably connected with the fixing plate of the composite structure. Similarly, for the front side fixing plate and the rear side fixing plate, the structures are similar to the left side fixing plate and the right side fixing plate, and are not described herein.

The first suspension floor is illustratively a frame structure including a plurality of first suspension rails and first suspension support bars.

FIG. 3A is a schematic view of a first suspension floor according to an embodiment of the present application; FIG. 3B is a second schematic view of the first suspension floor according to the embodiment of the disclosure; FIG. 3C is a schematic view of a first hanger rail in an embodiment of the present application; fig. 3D is a schematic diagram of the first suspension strut in the embodiment of the present application, and fig. 3E is a schematic diagram of the second suspension strut in the embodiment of the present application. As shown in fig. 3A to 3E, the first suspension base plate is a frame structure including a plurality of first suspension cross bars 1231 and first suspension support bars 1232 respectively positioned at left and right sides of the frame structure, and the plurality of first suspension cross bars 1231 are laterally connected between the first suspension support bars 1232 at the left and right sides, thereby realizing that the first suspension cross bars 1231 are disposed between the first suspension support bars 1232 at the left and right sides in a direction from the left to the right side, thereby increasing the structural stability of the first suspension base plate.

The specific forms of the first suspension cross bars 1231 and the first suspension support bars 1232 are not limited as long as they can function to stably carry the rain collecting container.

Referring to fig. 3C and 3D, two ends of the first suspension cross rod 1231 are provided with a clamping end, and the first suspension support rod 1232 is provided with a plurality of clamping through holes, so that the first suspension cross rod 1231 is firmly connected with the first suspension support rod 1232 by clamping the clamping end in the corresponding clamping through hole.

Referring to the above 3D, the first suspension support rod 1232 is also provided with a tooth structure, which corresponds to the position of the clamping through hole on the first suspension support rod 1232, so that there is a structural enhancement arrangement at each connection point of the first suspension support rod 1232 and the first suspension cross rod 1231, and the structural stability and the connection strength of these connection points are ensured.

The second suspension floor is illustratively a frame structure including a plurality of second suspension rails and second suspension support bars.

FIG. 4 is a schematic structural view of a second suspension mat according to an embodiment of the present application; the second hanger rail 1141 is identical in construction to the first hanger rail; the second suspension strut 1142 has the same structure as the first suspension strut.

The second suspension base plate is a frame structure body, the frame structure body comprises a plurality of second suspension cross bars 1141 and second suspension support bars 1142 respectively positioned at the left side and the right side of the frame structure body, and the plurality of second suspension cross bars 1141 are transversely connected between the second suspension support bars 1142 at the left side and the right side, so that the second suspension cross bars 1141 are arranged between the second suspension support bars 1142 at the left side and the right side according to the direction from the left side to the right side, and the structural stability of the second suspension base plate is increased. The specific configuration of the second hanger rail 1141 and the second hanger bar 1142 is not limited as long as it can act as a counterweight as part of the louvered blade.

The two ends of the second suspension cross rod 1141 are provided with clamping ends, and the second suspension support rod 1142 is provided with a plurality of clamping through holes, and the clamping ends are clamped in the corresponding clamping through holes, so that the second suspension cross rod 1141 is firmly connected with the second suspension support rod 1142.

The second suspension support rod 1142 is also provided with a tooth structure, which corresponds to the position of the clamping through hole on the second suspension support rod 1142, so that there is a structural enhancement arrangement at each connection point of the second suspension support rod 1142 and the second suspension cross rod 1141, and structural stability and connection strength at these connection points are ensured.

Illustratively, any of the first suspension strut and the second suspension strut 1142 is a composite suspension strut.

FIG. 5A is a schematic illustration of a composite structural suspension strut in an embodiment of the present application; FIG. 5B is a second schematic view of a suspension strut of a composite structure according to an embodiment of the present disclosure; as shown in fig. 5A and 5B, the suspension support rod of the composite structure includes two suspension supports 12321 having a plurality of first suspension through holes; for any type of the number of first suspension rails 1231 and the number of second suspension rails 1142, it passes through the number of first suspension through holes a to be connected between the left and right first suspension support bars 1232 or the number of second suspension rails 1142 is laterally connected between the left and right second suspension support bars. The first hanging through hole is used as the clamping through hole.

Further, as shown in fig. 5A, each suspension support rod included in the suspension support rod of the composite structure is further provided with a plurality of second suspension through holes B; for any one of the first suspension connecting rod and the second suspension connecting rod, a third suspension through hole C is formed in the lower end of the first suspension connecting rod, and when the first suspension connecting rod is connected with the first suspension bottom plate and the second suspension connecting rod is connected with the second suspension bottom plate, the third suspension through hole C is located between the two second suspension through holes B and forms a penetrating through hole structure. And the second hanging through hole and the third hanging through hole are fixed together in a pin joint mode, so that the stability and the strength of the structure are ensured. Based on the above-mentioned drawings, it can be seen that, because the lateral spacing between the two second connection lugs 132 is greater than the lateral spacing between the two first connection lugs 122, the rain collecting structure can be nested in the counterweight structure, and the rotation shaft is arranged in a manner of approaching the front side of the corresponding louver blade and keeping away from the rear side of the corresponding louver blade, so that the front side and the rear side of the louver blade are guaranteed to rotate anticlockwise or clockwise when forming counterweight difference, and the rainwater grate is in an open state or a closed state.

In addition, the positions of the weights placed by the rain collecting container 113 and the weight structure 104 are not particularly limited, for example, if the rain collecting container 113 is placed in the middle of the first suspension floor 123, the weights may be placed near both ends of the second suspension floor 114; if the rain container 113 is placed near both ends of the first suspension floor 123, the counterweight may be in the middle of the second suspension floor 114. This is merely an example and is not intended to be limiting in any way.

In the above embodiment, the two rotating shafts are disposed at positions close to the front sides of the corresponding louvers and far away from the rear sides of the corresponding louvers, so that a lever structure with a preset moment arm ratio is formed, so that in rainy days, the rain grate can be quickly and automatically opened under the action of a weight difference (the weight of the rain collecting structure is greater than or equal to the weight of the weight structure), and when the rain is small or the rain is stopped, the rain grate can be quickly and automatically closed under the action of the weight difference (the weight of the rain collecting structure is smaller than the weight of the weight structure, and the weight difference is also known as negative weight difference).

In the application scene, according to the precipitation intensity grade division standard, the drainage area of a single rainwater grate and the number of shutter blades, the moment arm ratio is calculated, for example, in a specific scene, the moment arm ratio is 3:10, thereby ensuring that the rain grate can be opened automatically and quickly, or closed automatically and quickly.

Further, in the above embodiment, the first connection lug and the second connection lug have a predetermined orientation angle, so that the shutter blade rotates in a counterclockwise or clockwise direction. For example, the contained angle of second engaging lug and tripe blade is the acute angle, so that the orientation angle of second engaging lug is the acute angle, thereby is convenient for have great rotation amplitude when tripe blade rotates, and can not take place the dead condition of machinery, and be convenient for form the clearance of being convenient for cross water between the tripe blade.

Alternatively, in other embodiments, the included angle between the second connecting lug and the shutter blade may be a right angle, so long as the shutter blade is guaranteed to rotate when rotating, and no mechanical locking occurs.

Further, in an embodiment, in order to facilitate the rapid inflow of rainwater into the rainwater collecting container, a plurality of rainwater through holes are further formed in at least part of the louver blades, so that the opening speed of the rainwater grate is increased. For example, a plurality of louver blades above the rain collecting container are provided with rain through holes, and a plurality of louver blades on the left side and the right side above the rain collecting container are not provided with rain through holes. Of course, it should be noted here that, according to a specific application scenario, a rain through hole may be formed in each shutter blade.

In addition, the size and the density of the rain passing through holes are flexibly set according to application scenes, for example, the diameter of the passing through holes can be larger and the density can be higher to meet the water passing speed.

Further, in an embodiment, in order to increase the closing speed of the rain grate, the water leakage through holes are formed in the rain collecting container, so that the water in the rain grate can be effectively leaked when the rainfall is small or the rain stops, and the rain grate can be conveniently and rapidly closed.

Further, in an embodiment, the rain grate further comprises a float type water level sensor and a warning lamp, wherein the float type water level sensor is arranged in the rain collecting structure, the warning lamp is arranged on the supporting frame, and when the water level in the rain collecting structure reaches the level that enables the float type water level sensor to generate effective electric signal output, the warning lamp is triggered to light.

Specifically, the sensor mainly comprises a magnetic reed switch and a floating ball, wherein a magnetic material is arranged in the ball, a magnetic reed switch is arranged in a closed non-conductive metal pipe or plastic pipe, then a guide pipe penetrates through the floating ball with the magnetic material, the floating ball and the magnetic reed switch are controlled to be at corresponding positions by utilizing a fixed double ring, and when the floating ball ascends or descends along with liquid, a switch action is generated by utilizing a contact point in the ball, which is close to the magnetic reed switch, so as to control or indicate the liquid level. That is, the floating ball is turned on when approaching the reed switch and turned off when leaving.

After the float type water level sensor is connected in series to the warning lamp circuit, the warning lamp circuit can be automatically closed and the warning lamp can be started when the water level in the rainwater collecting device reaches a certain degree.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances. In addition, "several" in the above embodiment may specifically be 2 or more.

In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.

The above examples are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, but it should be understood by those skilled in the art that the present invention is not limited thereto, and that the present invention is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention, and are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A rain grate is characterized by comprising,

a support frame, the support frame comprising: left side fixed plate and right side fixed plate which are transversely opposite;

a plurality of louver blades, wherein:

each louver blade is provided with two rotating shafts, the two rotating shafts are arranged at positions close to the front sides of the corresponding louver blades, one rotating shaft is positioned on the left side of the louver blade and is rotationally connected with the left fixing plate, and the other rotating shaft is positioned on the right side of the louver blade and is rotationally connected with the right fixing plate;

the counter weight structure, the counter weight structure is located collect rain structure below, the counter weight structure includes: the second hangs the bottom plate, the lower extreme is connected a plurality of second both sides of bottom plate is hung to the second, wherein:

for any second suspension connecting rod positioned on the left side, the second suspension connecting rod is connected with a second connecting lug close to the left side fixing plate; and any second hanging connecting rod positioned on the right side is connected with a second connecting lug close to the right side fixing plate.

2. The rain grate of claim 1, wherein at least one of the left side and right side plates is a composite structured plate comprising: cover plate, two or more first curb plates, two or more second curb plates, wherein:

the cover plate is provided with a through hole;

the upper end face and the lower end face of each first side plate are provided with a plurality of protruding tooth structures;

the upper end face and the lower end face of each second side plate are of a planar structure;

the inner side and the outer side of the fixed plate of the composite structure are respectively provided with a second side plate;

the first side plate and the second side plate are arranged at intervals between the inner side and the outer side of the fixing plate of the composite structure, so that the through hole on the cover plate is clamped with the tooth structure.

3. The rain grate of claim 1, wherein more than 2 rain through holes are formed in part of the louver blades, and/or water leakage through holes are formed in the rain collecting container.

4. The rain grate of claim 1, wherein the first hanger bottom plate is a frame structure comprising a plurality of first hanger rails and first hanger bars positioned on the left and right sides of the frame structure, respectively, the plurality of first hanger rails being laterally connected between the left and right first hanger bars.

5. The rain grate of claim 1, wherein the second hanger bottom plate is a frame structure including a plurality of second hanger rails and second hanger bars positioned on left and right sides of the frame structure, respectively, the plurality of second hanger rails being laterally connected between the left and right second hanger bars.

6. The rain grate of claim 4 or 5, wherein any of the first and second hanging support bars is a composite structure hanging support bar comprising two hanging supports having a plurality of first hanging through holes; for any type of the first and second suspension rails, it passes through the first suspension through holes to connect between the first suspension support bars on the left and right sides, or the second suspension rails are laterally connected between the second suspension support bars on the left and right sides.

7. The rain grate of claim 6, wherein each of the composite structural hanging support bars further comprises a plurality of second hanging through holes; for any one of the first suspension connecting rod and the second suspension connecting rod, a third suspension through hole is formed in the lower end of the first suspension connecting rod, and when the first suspension connecting rod is connected to the first suspension bottom plate and the second suspension connecting rod is connected to the second suspension bottom plate, the third suspension through hole is located between the two second suspension through holes and forms a penetrating through hole structure.

8. The rain grate of claim 7, wherein the two rotating shafts are positioned near the front side of the corresponding louver and far from the rear side of the corresponding louver to form a lever structure for setting a moment arm ratio.

9. The rain grate of claim 8, wherein the first and second connection lugs have a predetermined angle of orientation such that the louvres rotate in a counter-clockwise or clockwise direction.

10. The rain grate of claim 8, further comprising a float level sensor disposed in the rain collection structure and a warning light disposed on the support frame, the warning light being triggered to illuminate when a water level in the rain collection structure reaches a level such that the float level sensor produces an effective electrical signal output.