Anti-blocking structure for municipal water supply and drainage

Abstract

The utility model discloses an anti-clogging structure for municipal water supply and drainage, which comprises a rain grate plate, a secondary filtering structure is fixedly arranged on the outer surface of the lower end of the rain grate plate, and the secondary filtering structure comprises a side plate, an end plate, a fixed plate, a bottom plate, a drain hole, a baffle plate, an inverted V-shaped screen, a connecting column and a supporting rod, the number of the side plates, the number of the end plates, the number of the fixing plates, the number of the bottom plates and the number of the baffles are all two, the fixing plates are fixedly installed on the upper portions of the outer surfaces of one sides of the side plates, fixing bolts are arranged between the fixing plates and the rain grate plate, and the fixing plates are installed on the outer surfaces of the lower ends of the rain grate plate through the fixing bolts. According to the anti-blocking structure for municipal water supply and drainage, due to the fact that the inverted-V-shaped screen and the slag collecting groove are arranged below the rain grate, secondary filtering is achieved, and impurities such as leaves and branches are effectively intercepted and prevented from entering a drainage pipeline to cause blocking; and the drain holes at the bottom of the slag collecting groove can drain water and intercept impurities.

Description

TECHNICAL FIELD

[0001] The utility model relates to municipal water supply and drainage technical field, concretely is a kind of municipal water supply and drainage with anti-blocking structure. BACKGROUND

[0002] Rainwater grate in municipal water supply and drainage system is important facility to prevent sundries from entering drainage pipe, and it carries out preliminary interception to large-particle sundries such as leaves and garbage through drainage hole on rain grate plate.

[0003] However, rain grate in prior art has the following problems:

[0004] 1, incomplete filtration: the drainage hole of rain grate plate is usually large, and small sundries such as leaves, small branches, cigarette butts and plastic sheets can easily enter the well through the drainage hole, and long-term accumulation can cause drainage pipe blockage, affect drainage efficiency, and even cause urban waterlogging;

[0005] 2, frequent manual cleaning: the traditional rain grate lacks secondary filtration structure, and after sundries directly enter the pipe, the well needs to be cleaned frequently, which increases maintenance cost and workload;

[0006] 3, limited drainage capacity: although part of the improved design adds a filter device, the structure is complex or lacks self-cleaning function, and sundries are easy to accumulate on the surface of filter screen, leading to poor drainage, especially in heavy rain, which may exacerbate waterlogging problems.

[0007] Therefore, we propose a municipal water supply and drainage anti-blocking structure. CONTENT OF UTILITY MODEL

[0008] (I) technical problem solved

[0009] In view of the deficiencies of prior art, the utility model provides a municipal water supply and drainage anti-blocking structure, which realizes secondary filtration by setting inverted V-shaped screen and residue collecting groove under rainwater grate, effectively intercepts sundries such as leaves and branches, and prevents them from entering drainage pipe to cause blockage; The drain hole at the bottom of the residue collecting groove can drain water while retaining sundries, which can effectively solve the problems in the background art.

[0010] (II) technical scheme

[0011] In order to achieve the above object, the utility model takes the technical scheme for: a municipal water supply and drainage anti-blocking structure, including rain grate board, the lower end outer surface of rain grate board is fixedly installed with secondary filtration structure, the secondary filtration structure includes side plate, end plate, fixed plate, bottom plate, drain hole, baffle, inverted V type screen, connecting column and support rod, and the number of side plate, end plate, fixed plate, bottom plate and baffle is two groups, the fixed plate is fixedly installed on the upper portion of the outer surface of one side of side plate, the fixed plate is provided with fixed bolt between rain grate board, the fixed plate is installed on the lower end outer surface of rain grate board through fixed bolt.

[0012] Preferably, the two end plates are fixedly installed between the two groups of side plates, the bottom plate is fixedly installed on the lower end of the inner wall of the side plate, the baffle is fixedly installed on the upper end of the outer surface of the bottom plate away from the side plate, and the drain hole is formed on the upper end of the outer surface of the bottom plate.

[0013] Preferably, the lower portion of the side plate, the upper end of the outer surface of the bottom plate, the outer surface of one side of the baffle and the inner wall of the end plate form a slag collecting groove.

[0014] Preferably, the support rod is fixed in the middle of the two groups of baffles, the inverted V type screen is fixedly installed on the top of the two groups of baffles, and the support rod is fixedly installed between the upper end of the outer surface of the support rod and the lower end of the outer surface of the inverted V type screen.

[0015] Preferably, the top of the inverted V type screen is kept at a distance of 10-30cm from the bottom surface of the rain grate board, the angle between the two side slopes and the horizontal plane is 45-60°, and the distance of 10-30cm can avoid the top of the screen being directly covered by large debris, ensuring smooth drainage; the slope angle of 45-60° optimizes the sliding trajectory of the debris, making it easier to enter the slag collecting groove and reducing the frequency of manual cleaning.

[0016] Preferably, the mesh of the inverted V type screen is a square hole with a side length of 10-15mm or a circular hole with a diameter of 8-12mm, and the hole diameter is smaller than the drain hole diameter of the rain grate board, so that the secondary filter screen can specifically intercept small debris (such as cigarette butts and plastic pieces) that leaks through the rainwater drain, avoiding micro-clogging of the pipeline.

[0017] Preferably, the drain hole is a circular hole with a diameter of 5-10mm, arranged longitudinally along the bottom of the slag collecting groove, and the hole spacing is 1.5-2 times the hole diameter, ensuring rapid drainage.

[0018] (Three) beneficial effects

[0019] Compared with the prior art, the utility model provides a municipal water supply and drainage anti-blocking structure, which has the following beneficial effects:

[0020] 1. The anti-blocking structure for municipal water supply and drainage, by additionally arranging the inverted V-shaped screen and the residue collecting groove below the rain grate plate, a double interception mechanism is formed, the mesh size of the inverted V-shaped screen is smaller than the drain hole of the rain grate plate, small sundries such as leaves, branches and cigarette butts that leak through can be effectively intercepted, and the risk of pipeline blockage is greatly reduced.

[0021] 2. The anti-blocking structure for municipal water supply and drainage, the angle between the inclined surface on both sides of the screen and the horizontal plane is 45-60°, so that the water flow is naturally divided, the sundries slide down to the residue collecting groove under the action of gravity, the accumulation on the top of the screen is reduced, the smooth drainage is ensured, the drain hole is arranged at the bottom of the residue collecting groove, the accumulated water can be quickly drained, the sundries are intercepted at the same time, the influence of excessive accumulated water in the groove on the drainage capacity is avoided, and the self-cleaning function is realized.

[0022] 3. The anti-blocking structure for municipal water supply and drainage, the secondary filtering structure is connected with the rain grate plate through bolts, the sundries in the residue collecting groove can be easily removed and cleaned, the frequency and cost of manual maintenance are reduced, the inverted V-shaped screen and the rain grate plate maintain a distance of 10-30 cm, the large sundries directly covering the screen is avoided, and the risk of blockage is reduced.

[0023] 4. The anti-blocking structure for municipal water supply and drainage, the screen mesh can be designed as a square (10-15 mm in length) or a circle (8-12 mm in diameter) according to requirements, different filtering requirements in different scenes are flexibly coped with, the drain holes are arranged at an interval of 1.5-2 times the hole diameter, the drainage efficiency and the sundry interception effect are balanced, and the anti-blocking structure is suitable for high rainfall areas. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a whole structure schematic view of the anti-blocking structure for municipal water supply and drainage.

[0025] Figure 2 It is a side view sectional view of one end of the secondary filtering structure of the anti-blocking structure for municipal water supply and drainage.

[0026] Figure 3 It is a local structure schematic view of the secondary filtering structure in the anti-blocking structure for municipal water supply and drainage.

[0027] Figure 4 It is a structure schematic view of the inverted V-shaped screen in the anti-blocking structure for municipal water supply and drainage.

[0028] In the drawing: 1, rain grate plate; 2, secondary filtering structure; 3, side plate; 4, end plate; 5, fixed plate; 6, bottom plate; 7, drain hole; 8, baffle; 9, inverted V-shaped screen; 10, connecting column; 11, supporting rod. DETAILED DESCRIPTION

[0029] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0030] This embodiment is an anti-clogging structure for municipal water supply and drainage.

[0031] like Figures 1-4 As shown, the system includes a grate 1, and a secondary filter structure 2 is fixedly installed on the lower outer surface of the grate 1. The secondary filter structure 2 includes a side plate 3, an end plate 4, a fixing plate 5, a bottom plate 6, drainage holes 7, a baffle 8, an inverted V-shaped screen 9, a connecting column 10, and a support rod 11. The side plate 3, end plate 4, fixing plate 5, bottom plate 6, and baffle 8 are all in two sets. The fixing plate 5 is fixedly installed on the upper part of the outer surface of one side of the side plate 3. A fixing bolt is provided between the fixing plate 5 and the grate 1. The fixing plate 5 is installed on the lower outer surface of the grate 1 by the fixing bolt.

[0032] Two sets of end plates 4 are fixedly installed at both ends between two sets of side plates 3. A bottom plate 6 is fixedly installed at the lower end of the inner wall of the side plate 3. A baffle 8 is fixedly installed on the upper outer surface of the bottom plate 6 away from the side plate 3. Drainage holes 7 are opened on the upper outer surface of the bottom plate 6. A slag collection trough is formed between the lower part of one side of the side plate 3, the upper outer surface of the bottom plate 6, the outer surface of one side of the baffle 8, and the inner wall of the end plate 4. A support rod 11 is fixed in the middle between the two sets of baffles 8. An inverted V-shaped screen 9 is fixedly installed at the top between the two sets of baffles 8. The support rod 11 is fixedly installed in the middle. It is installed between the upper outer surface of the support rod 11 and the lower outer surface of the inverted V-shaped screen 9; the top of the inverted V-shaped screen 9 is 10-30cm away from the bottom surface of the grate plate 1, and the angle between its two inclined surfaces and the horizontal plane is 45-60°; the mesh of the inverted V-shaped screen 9 is a square hole with a side length of 10-15mm or a round hole with a diameter of 8-12mm, and its hole diameter is smaller than the drainage hole diameter of the grate plate 1; the drainage hole 7 is a round hole with a diameter of 5-10mm, arranged longitudinally along the bottom of the slag collection tank, and the hole spacing is 1.5-2 times the hole diameter.

[0033] It needs to be explained that the utility model discloses a kind of municipal water supply and drainage with anti-blocking structure, secondary filtration structure 2 is installed in the lower end outer surface of rain grate plate 1 by bolt, by setting the inverted V-shaped screen 9 in the lower portion of rain grate plate 1 and the residue collecting groove consisting of side plate 3, bottom plate 6, baffle 8 and end plate 4, realize secondary filtration, effectively intercept leaves, branches and other sundries, prevent its into drainage pipeline and cause blockage, the drain hole 7 in the bottom of residue collecting groove can drain water while retaining sundries, after impurity is retained in the upper end of inverted V-shaped screen 9, the slope structure of inverted V-shaped screen 9 can make water flow natural shunt, reduce sundries accumulation in screen top, improve drainage efficiency;Residue collecting groove on both sides cooperates with drain hole 7, both can collect and intercept sundries, and also can avoid that water in groove is too much to influence drainage capacity, realize self-cleaning function;Secondary filtration structure 2 is connected in the lower end of rain grate plate 1 by bolt, it is convenient to clean the sundries of residue collecting groove after dismounting.

[0034] It needs to be explained that, in this paper, relational terms such as first and second (one, two) are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitation, the element defined by the sentence "including a …" does not exclude the existence of other identical elements in the process, method, article or equipment including the element.

[0035] The basic principles and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model.

Claims

1. A clogging prevention structure for municipal water supply and sewerage, comprising a rain grate plate (1), characterized by: The lower end outer surface of the rain screen plate (1) is fixedly installed with a secondary filtering structure (2), the secondary filtering structure (2) comprises side plates (3), end plates (4), fixed plates (5), bottom plates (6), hydrophobic holes (7), baffles (8), inverted V-shaped screens (9), connecting columns (10) and supporting rods (11), the number of the side plates (3), the end plates (4), the fixed plates (5), the bottom plates (6) and the baffles (8) is two groups, the fixed plate (5) is fixedly installed on the upper portion of the outer surface of one side of the side plate (3), the fixed plate (5) and the rain screen plate (1) are provided with fixed bolts, and the fixed plate (5) is installed on the lower end outer surface of the rain screen plate (1) through the fixed bolts.

2. The anti-clogging structure for municipal water supply and sewerage according to claim 1, characterized in that: Two groups of the end plates (4) are fixedly installed at both ends between the two groups of the side plates (3), the bottom plate (6) is fixedly installed at the lower end of the inner wall of the side plate (3), the baffle (8) is fixedly installed on the outer surface of the upper end of the bottom plate (6) away from the side plate (3), and the hydrophobic hole (7) is arranged on the outer surface of the upper end of the bottom plate (6).

3. The anti-clogging structure for municipal water supply and sewerage according to claim 2, characterized in that: The lower portion of one side of the side plate (3), the outer surface of the upper end of the bottom plate (6), the outer surface of one side of the baffle (8) and the inner wall of the end plate (4) form a slag collecting groove.

4. The anti-clogging structure for municipal water supply and sewerage according to claim 3, characterized in that: The supporting rod (11) is fixed at the middle portion between the two groups of the baffles (8), the inverted V-shaped screen (9) is fixedly installed at the top portion between the two groups of the baffles (8), and the supporting rod (11) is fixedly installed between the outer surface of the upper end of the supporting rod (11) and the outer surface of the lower end of the inverted V-shaped screen (9).

5. The anti-clogging structure for municipal water supply and sewerage according to claim 4, characterized in that: The top portion of the inverted V-shaped screen (9) is kept at a distance of 10-30 cm from the bottom surface of the rain screen plate (1), and the included angle between the two side slopes and the horizontal plane is 45-60°.

6. The anti-clogging structure for municipal water supply and sewerage according to claim 5, characterized in that: The mesh of the inverted V-shaped screen (9) is a square hole with a side length of 10-15 mm or a circular hole with a diameter of 8-12 mm, and the hole diameter is smaller than the diameter of the drain hole of the rain screen plate (1).

7. The anti-clogging structure for municipal water supply and sewerage according to claim 6, characterized in that: The hydrophobic hole (7) is a circular hole with a diameter of 5-10 mm, which is arranged longitudinally along the bottom of the slag collecting groove, and the hole spacing is 1.5-2 times the hole diameter.

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