Telescopic grate

Abstract

The utility model discloses a telescopic grate, and belongs to the technical field of road pipelines. The telescopic grate comprises an outer frame, division bars and connecting ropes, wherein the outer frame is of a frame structure with a hollow middle part; two ends of the division bar are connected with the outer frame; two ends of the connecting rope are connected with the outer frame, and the parting strip sleeves the outer side of the connecting rope. The grate is simple in structure and easy to operate, the division bars can slide in the grooves of the outer frame, and the telescopic function of the grate is achieved. A plurality of division bars are connected in series through connecting ropes and are assembled into a whole before leaving a factory, and during use, the division bars and the outer frame form a net-shaped structure, so that sundries such as leaves and garbage can be filtered. When the grate needs to be opened for cleaning, the division bar slides and contracts to one side of the grate, the grate is not influenced by water flow pressure during opening, a large opening tool does not need to be carried, rapid opening and closing can be achieved, sundries can be conveniently and rapidly cleaned, the drainage efficiency is improved, the grate does not need to be moved to a road, obstacles cannot be formed, and the safety of the road is guaranteed.

Description

Technical Field

[0001] The utility model relates to a telescopic grate and belongs to the technical field of road pipelines. Background Art

[0002] Pavement drainage is an important component of road engineering. Its main purpose is to quickly remove road surface, surface runoff and various urban wastewater, prevent water accumulation, lower excessively high groundwater levels and remove water that has seeped into the pavement structure layer and roadbed, so as to ensure the stability of the roadbed and extend the service life of the road surface.

[0003] The most common road drainage system is the rain grate, an open grid-like structure designed to cover a rainwater outlet or drain. It features numerous small holes or a grid structure. When surface water flows into the grate, it can easily carry debris such as leaves and garbage into or onto the surface, reducing drainage performance. Conventional treatment involves opening the grate with specialized tools and cleaning out the debris. Cleaning is more frequent during the rainy season. When flooded by rainwater, the grate is subject to pressure, making it difficult to open. Furthermore, an open grate can become an obstruction on the road, posing a safety hazard. Utility Model Content

[0004] The utility model provides a retractable grate, which solves the problem that the existing rainwater grate is affected by pressure when flooded by rainwater and is difficult to open, and the opened grate stands on the road and becomes an obstacle, posing certain safety hazards.

[0005] The utility model is achieved through the following technical solutions:

[0006] A retractable grate, comprising:

[0007] An outer frame, wherein the outer frame is a frame structure with a hollow center;

[0008] A spacer bar is located inside the outer frame and connected to the outer frame at both ends;

[0009] The connecting rope has two ends connected to the outer frame, and the spacer is sleeved on the outside of the connecting rope.

[0010] In one embodiment of the present invention, the outer frame includes a crossbeam and a longitudinal beam, the crossbeam is located on both sides of the outer frame, the longitudinal beam is perpendicular to the crossbeam, and both ends of the longitudinal beam are connected to the crossbeam.

[0011] In one embodiment of the present invention, there are at least two longitudinal beams.

[0012] In one embodiment of the present invention, the crossbeam is provided with a connecting hole, and the connecting hole is connected to the connecting rope.

[0013] In one embodiment of the present invention, the longitudinal beam is provided with a groove, and the groove is connected to the spacer.

[0014] In one embodiment of the present invention, the cross section of the groove is rectangular.

[0015] In one embodiment of the present invention, the spacer bar includes a spacer bar body and rollers, wherein the rollers are located at both ends of the spacer bar body and abut against the grooves. The spacer bar can slide in the grooves to achieve the telescopic function of the grates.

[0016] In one embodiment of the present invention, the partition bar further includes a threading hole, the threading hole is located in the middle of the partition bar body, and the connecting rope passes through the threading hole and is connected to the partition bar body.

[0017] In one embodiment of the present invention, the length of the partition bar body is not greater than the distance between two adjacent longitudinal beams.

[0018] In one embodiment of the present invention, there is at least one spacer.

[0019] Beneficial effects

[0020] 1. The retractable grate provided by the utility model includes an outer frame, partition bars and connecting ropes. The partition bars can slide in the grooves of the outer frame to realize the retractable function of the grate. The grate has a simple structure and is easy to operate. A plurality of partition bars are connected in series by connecting ropes and assembled into one before leaving the factory. When in use, the connecting rope is connected to the connecting hole, and the partition bars and the outer frame form a mesh structure that can filter leaves, garbage and other debris. When it needs to be opened for cleaning, the connecting rope is taken out from the connecting hole, and the partition bars are retracted to one side of the grate. When opening, it is not affected by the water flow pressure, and there is no need to carry large opening tools. It can be opened and closed quickly, which is convenient for quickly cleaning debris, speeding up drainage efficiency, and is also beneficial for the maintenance of the grate.

[0021] 2. When the retractable grate is opened, the partition bar only needs to be retracted to one side of the grate. It does not need to stand on the road and will not form an obstacle, thus ensuring the safety of the road. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a three-dimensional diagram of the retractable grate provided by the utility model.

[0023] Figure 2 This is a three-dimensional diagram of the retractable grate spacers provided by the utility model when they are retracted.

[0024] Figure 3 This is a three-dimensional diagram of the outer frame provided by the utility model.

[0025] Figure 4This is a three-dimensional diagram of the outer frame provided by the utility model from another perspective.

[0026] Figure 5 A three-dimensional diagram of the spacer provided by the utility model.

[0027] In the figure: 1. outer frame; 11. horizontal beam; 12. longitudinal beam; 13. connecting hole; 14. groove; 2. spacer; 21. spacer body; 22. roller; 23. threading hole; 3. connecting rope; 100. grate. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] In this utility model, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0030] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0031] like Figure 1 and Figure 2As shown, the present application provides a retractable grate that covers the top of a rainwater outlet or a drain outlet for surface drainage. The retractable grate 100 includes an outer frame 1, spacers 2, and a connecting rope 3. The outer frame 1 is a frame structure with a hollow center that provides support for the grate 100. The connecting rope 3 is connected to the outer frame 1 at both ends and is used to connect multiple spacers 2. The spacers 2 are sleeved on the outside of the connecting rope 3. The multiple spacers 2 are connected in series through the connecting rope 3 and placed in the outer frame 1, forming a mesh grate with the outer frame 1 for filtering debris such as leaves and garbage. At the same time, the outer frame 1 provides support for the spacers 2.

[0032] like Figure 3 and Figure 4 As shown, in some embodiments, the outer frame 1 includes a crossbeam 11, a longitudinal beam 12, connection holes 13, and a groove 14. The crossbeam 11 is a plate-like structure, and there are two of them, located on both sides of the outer frame 1. The longitudinal beam 12 is perpendicular to the crossbeam 11, and both ends of the longitudinal beam 12 are connected to the crossbeam 11. There are multiple longitudinal beams 12, which are evenly distributed between the crossbeams 11. The longitudinal beams 12 and the crossbeam 11 are an integrated structure, and the two are combined to form the outer frame 1 with a hollow interior. The crossbeam 11 is provided with connection holes 13, which are used to fix the connection ropes 3. The number of connection holes 13 is adapted according to the number of connection ropes 3. The longitudinal beam 12 is provided with a groove 14, whose opening direction is consistent with the axial direction of the crossbeam 11 and passes through the longitudinal beam 12. The longitudinal beams 12 at either end of the crossbeam 11 have only one groove 14, which opens toward the interior of the outer frame 1. The longitudinal beam 12 between the ends of the crossbeam 11 has two grooves 14, located on either side of the longitudinal beam 12 and opening in opposite directions. Grooves 14 connect to the spacer bars 2, restricting their movement so that they can only slide within the grooves 14.

[0033] like Figure 5 As shown, in some embodiments, the partition bar 2 includes a partition bar body 21, a roller 22 and a threading hole 23. The partition bar body 21 is a columnar structure, and a plurality of partition bar bodies 21 are evenly distributed inside the outer frame 1 to form a mesh structure for filtering leaves, garbage and other debris. There are two rollers 22, which are symmetrically distributed at both ends of the partition bar body 21. The rollers 22 abut against the groove 14, and the rollers 22 can slide in the groove 14 to realize the telescopic function of the grating 100. The threading hole 23 is a through hole, which is located in the middle of the partition bar body 21 and passes through the partition bar body 21. The connecting rope 3 passes through the threading hole 23, so that the plurality of partition bar bodies 21 are connected in series and connected to the connecting hole 13. The partition bar body 21 is fixedly connected to the connecting rope 3.

[0034] Optionally, the cross section of the groove 14 is rectangular.

[0035] Optionally, the cross beam 11 and the longitudinal beam 12 are flush with the top surface of the partition bar body 21 .

[0036] Optionally, the length of the roller 22 should not be greater than the depth of the groove 14 , and the length of the partition bar body 21 should not be greater than the distance between two adjacent longitudinal beams 12 .

[0037] Optionally, the grate 100 is made of a hard material. Preferably, the grate 100 is made of cast iron, which has high strength, corrosion resistance, is not easily damaged by rainwater, and can extend the service life of the grate.

[0038] The working principle of the utility model is as follows: the outer frame 1 is an integrated structure, and the partition bars 2 are connected to the outer frame 1 via rollers 22. The rollers 22 are installed in the grooves 14 and can slide in the grooves 14. The connecting rope 3 passes through the threading holes 23, connecting multiple partition bar bodies 21 in series, and the partition bar bodies 21 are fixedly connected to the connecting rope 3. One end of the connecting rope 3 is connected to the crossbeam 11, and the other end is connected to the connecting hole 13. The retractable grate is assembled into one piece before leaving the factory. During use, the connecting rope 3 is connected to the connecting hole 13, so that the partition bars 2 and the outer frame 1 form a mesh structure, which can filter out debris such as leaves and garbage. When it needs to be opened, simply remove the connecting rope 3 from the connecting hole 13 and retract the partition bars 2 to one side of the grate 100. When opening, it is not affected by water pressure, and there is no need to carry large opening tools. It can be opened and closed quickly, which is convenient for quickly clearing debris, accelerating drainage efficiency, and repairing the grate. At the same time, the partition bar 2 is retracted to one side of the grate 100 so as not to form an obstacle, thereby ensuring the safety of the road.

[0039] The technical features of the above embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0040] The above embodiments merely illustrate several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the scope of the present invention, all of which fall within the scope of protection of the present invention.

[0041] This document uses specific examples to illustrate the principles and implementation methods of the present invention. The description of the above examples is only intended to help understand the method and core concept of the present invention. It should be noted that for those skilled in the art, without departing from the principles of the present invention, various improvements and modifications can be made to the present invention, and such improvements and modifications also fall within the scope of protection of the claims of the present invention. Therefore, the scope of protection of this utility model patent shall be based on the appended claims.

Claims

1. A retractable grate, characterized in that: include: An outer frame (1), wherein the outer frame (1) is a frame structure with a hollow center; A spacer (2) is located inside the outer frame (1) and connected to the outer frame (1) at both ends; The connecting rope (3) has two ends connected to the outer frame (1), and the spacer (2) is sleeved on the outside of the connecting rope (3).

2. A retractable grate according to claim 1, characterized in that: The outer frame (1) comprises a crossbeam (11) and a longitudinal beam (12), wherein the crossbeam (11) is located on both sides of the outer frame (1), and the longitudinal beam (12) is perpendicular to the crossbeam (11), and its two ends are connected to the crossbeam (11).

3. A retractable grate according to claim 2, characterized in that: There are at least two longitudinal beams (12).

4. The retractable grate according to claim 2, characterized in that: The crossbeam (11) is provided with a connection hole (13), and the connection hole (13) is connected to the connection rope (3).

5. The retractable grate according to claim 2, characterized in that: The longitudinal beam (12) is provided with a groove (14), and the groove (14) is connected to the partition bar (2).

6. The retractable grate according to claim 5, characterized in that: The groove (14) has a rectangular cross section.

7. The retractable grate according to claim 6, characterized in that: The spacer (2) comprises a spacer body (21) and rollers (22), wherein the rollers (22) are located at both ends of the spacer body (21) and abut against the groove (14).

8. The retractable grate according to claim 7, characterized in that: The spacer (2) further comprises a threading hole (23), wherein the threading hole (23) is located in the middle of the spacer body (21), and the connecting rope (3) passes through the threading hole (23) and is connected to the spacer body (21).

9. The retractable grate according to claim 7, characterized in that: The length of the partition bar body (21) is not greater than the distance between two adjacent longitudinal beams (12).

10. The retractable grate according to claim 9, characterized in that: There is at least one spacer (2).

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