An adjustable telescopic spraying device

Abstract

An adjustable telescopic spraying device belongs to the technical field of spraying devices. Aiming at the problems of cumbersome production, non-telescopic nature and low reuse rate of existing construction site enclosure spraying devices, the present invention sets multiple groups of slidably connected spraying components. The first pipe and the second pipe achieve flexible telescoping through chutes and sliding bars, and can be adjusted according to the actual length of the construction site enclosure, improving the applicability of the device in different project sites. In terms of water spraying, although there is an overlapping area between the first pipe and the second pipe, only the nozzles of the first pipe spray water in the overlapping area, ensuring the uniformity of water spraying and effectively improving the dust suppression effect. The valve component design realizes the one-way conduction of water flow, avoiding water backflow and ensuring the stable operation of the device; the threaded connection of the water inlet interface and the water outlet interface and the leak-proof design of the buckle not only facilitate the installation and connection of each component, but also ensure the stable transmission of water flow, improving the performance of the spraying device and meeting the strict requirements of environmental protection regulations for dust suppression at the construction site.

Description

Technical Field

[0001] The present invention relates to the technical field of spraying equipment, and particularly relates to an adjustable and telescopic spraying equipment. Background Art

[0002] At present, with the increasing attention to environmental protection, construction dust, as one of the key sources of urban dust pollution, has been strictly supervised. The government has successively introduced a series of environmental protection regulations and standards, clearly requiring that effective dust reduction measures must be taken at the construction site to reduce the adverse effects of dust on the atmospheric environment and the lives of surrounding residents. Installing spraying equipment on construction enclosures can build a water curtain around the construction area, effectively curbing the spread of dust, thus meeting the environmental protection requirements.

[0003] However, most of the spraying equipment on construction enclosures around construction sites at present is made on-site. It usually consists of a water pump, a control system, water pipes and nozzles. The water pipes and nozzles are made temporarily according to the on-site situation. This process not only consumes manpower and time, and the production and installation are quite cumbersome, but also the combination of the on-site made water pipes and nozzles is fixed and cannot adjust the length according to the on-site environment. Therefore, when used in multiple project construction sites, the transfer is quite difficult, resulting in a lot of waste.

[0004] In view of this, there is an urgent need to design a water pipe and nozzle assembly with a length extensible function, so that it can flexibly adjust the length according to the actual environment of the construction site, and thus achieve a wider applicability.

[0005] For example, the patent with the publication number CN207628142U discloses a freely telescopic spraying device, which consists of a main spraying pipeline, a left spraying pipeline and a right spraying pipeline. The diameter of the main spraying pipeline is larger than that of the left and right spraying pipelines. The main spraying pipeline, the left spraying pipeline and the right spraying pipeline are respectively provided with spray holes, and the left and right spraying pipelines can move left and right to expand or narrow the range of spray dust removal, so as to adjust the length for use on the construction enclosures of different construction sites.

[0006] However, it cannot be ignored that the spraying device disclosed in the above patent has certain defects. On the one hand, its telescopic range is relatively limited; on the other hand, when the left spraying pipeline or the right spraying pipeline retracts, the spray holes on these pipelines overlap with the spray holes on the main spraying pipeline, resulting in a weakened spraying effect. Summary of the Invention

[0007] The purpose of the present invention is to provide an adjustable and telescopic spraying equipment, which solves the problems in the background art.

[0008] To achieve the above object, the present invention provides the following technical solution: An adjustable telescopic spraying device, including a water pump and a spraying assembly. Multiple groups of spraying assemblies are provided, and the water pump is connected to the spraying assemblies and between adjacent two groups of spraying assemblies through water pipes. The spraying assembly includes a first pipe and a second pipe slidably connected to the outer side surface of the first pipe. The spraying assembly further includes nozzles evenly distributed on the first pipe and the second pipe. One end of the first pipe is provided with a water inlet interface, and an outlet interface is installed at one end of the second pipe away from the water inlet interface. The surface of the first pipe close to the outlet interface and in contact with the second pipe is provided with water outlet holes. The surface of the second pipe in contact with the first pipe is evenly distributed with water inlet holes, and the number of water inlet holes is one more than the number of nozzles on the second pipe. The water inlet holes correspond to the water outlet holes, and the water coming out from the water outlet holes enters the interior of the second pipe through the water inlet holes;

[0009] The interior of the second pipe is evenly distributed with valve assemblies. The number of valve assemblies is the same as the number of nozzles outside the second pipe, and the valve assemblies are located on the side of the nozzles close to the outlet interface. The valve assemblies are used to conduct water flow unidirectionally to prevent water from flowing in the interior of the second pipe towards the end away from the outlet interface.

[0010] Further, the water inlet interface is threadedly connected to the first pipe, and the outlet interface is threadedly connected to the second pipe. The water inlet interface on the spraying assembly is connected to the outlet interface on the adjacent spraying assembly through a pipe; A chute is provided on one side of the first pipe close to the second pipe, and a slide bar corresponding to the chute is provided on one side of the second pipe close to the first pipe.

[0011] Further, a first plug is threadedly connected to one end of the first pipe close to the outlet interface, and a second plug is threadedly connected to one end of the second pipe close to the water inlet interface. The first plug and the second plug are used to block the water flow. A first arrow is provided at a position on the top of the first pipe close to the water outlet holes, and second arrows are evenly distributed at positions on the top of the second pipe close to the water inlet holes. The first arrow and the second arrows are used for the positioning of the water outlet holes and the water inlet holes. When the first arrow is aligned with the second arrows, the first pipe and the second pipe are communicated through the water outlet holes and the water inlet holes.

[0012] Further, a buckle is installed between the first pipe and the second pipe, and the buckle is installed at a position close to the water outlet holes and the water inlet holes. The buckle includes a rotating piece, one end of the rotating piece is rotatably connected to the top surface of the first pipe through a rotating shaft. The buckle further includes an arc-shaped piece movably arranged outside the second pipe, and a connecting rod is movably installed between the arc-shaped piece and the rotating piece.

[0013] Further, a rotating seat is provided on the top surface of the rotating shaft. One end of the connecting rod is rotatably connected to the rotating seat, and the other end of the rotating seat is rotatably connected to the arc-shaped piece. There is a spacing between the rotating shaft and the rotating seat.

[0014] Furthermore, the valve assembly includes a sealing ring fitted and installed inside the water inlet hole, and the inner side of the sealing ring is located inside the second pipe. The valve assembly further includes a guiding cover fitted and installed on the inner wall of the second pipe. The guiding cover is funnel-shaped, and the included angle between the sealing ring and the guiding cover is 90°. The valve assembly further includes a rotating valve plate rotatably arranged inside the second pipe, and the rotating valve plate is located between the inner side of the sealing ring and the guiding cover. A sealing end face is arranged on one side of the guiding cover close to the rotating valve plate, and sealing rings are arranged on both sides of the rotating valve plate.

[0015] Furthermore, the valve assembly further includes a rotating rod extending downward through from above the second pipe, and the rotating rod is rotatably connected to the second pipe. A pin shaft is arranged at the bottom of the rotating rod, and a pin hole corresponding to the pin shaft is arranged at the edge of the rotating valve plate. A fixed shaft and a connecting rod are arranged above the second pipe. The fixed shaft is located on the angular center line between the sealing ring and the guiding cover. The connecting rod is L-shaped, and one end of the connecting rod is fixedly connected to the top of the rotating rod. The fixed shaft is rotatably connected to the top of the second pipe. A tension spring is fixedly installed between the fixed shaft and the other end of the connecting rod. A fixed clamping ring is arranged at the top of the second pipe. A sealing cover is arranged above the fixed shaft, the connecting rod and the tension spring above the second pipe. The sealing cover is fitted and installed inside the fixed clamping ring.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] The adjustable telescopic spraying device provided by the present invention aims at the problems of cumbersome production, inability to be telescopic and low reuse rate of the existing construction site enclosure spraying devices. This device can be flexibly telescoped through the first pipe and the second pipe by means of chutes and sliding strips, and can be adjusted according to the actual length of the construction site enclosure, greatly improving the applicability of the device in different project sites. In terms of water spraying, although there is an overlapping area between the first pipe and the second pipe, only the nozzles of the first pipe spray water in the overlapping area, ensuring the uniformity of water spraying and effectively improving the dust suppression effect. In addition, the design of the valve assembly realizes the one-way conduction of water flow, avoids water backflow, and ensures the stable operation of the device; the threaded connection of the water inlet interface and the water outlet interface and the anti-leakage design of the buckle not only facilitate the installation and connection of each component, but also ensure the stable transmission of water flow, improve the performance of the spraying device, and meet the strict requirements of environmental protection regulations for dust suppression at the construction site. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0019] Figure 2 It is a top view of the overall structure of the present invention.

[0020] Figure 3 It is for the Figure 2 enlarged view of the structure at A in the present invention.

[0021] Figure 4 This is a cross-sectional view of the overall structure of the present invention.

[0022] Figure 5 This is an exploded view of the overall structure of the present invention.

[0023] Figure 6 This is a schematic diagram of the first pipeline, nozzle and buckle structure of the present invention.

[0024] Figure 7 This is a schematic diagram of the second pipeline and nozzle structure of the present invention.

[0025] Figure 8 This is an exploded view of the second pipeline, nozzle and valve assembly structure of the present invention.

[0026] Figure 9 This is an exploded view of the valve assembly structure of the present invention.

[0027] Figure 10 This is a schematic diagram of the working state of the valve assembly of the present invention.

[0028] In the figure: 1. First pipeline; 11. Chute; 12. Water inlet interface; 13. First plug; 14. Water outlet hole; 15. First arrow; 2. Second pipeline; 21. Slide bar; 22. Second plug; 23. Water outlet interface; 24. Water inlet hole; 25. Second arrow; 26. Fixed clamping ring; 3. Nozzle; 4. Valve assembly; 41. Sealing ring; 42. Guide cover; 421. Sealing end face; 43. Rotating rod; 431. Pin shaft; 44. Rotating valve plate; 441. Sealing ring; 442. Pin hole; 45. Fixed shaft; 46. Connecting rod; 47. Tension spring; 48. Sealing cover; 5. Buckle; 51. Rotating shaft; 52. Rotating piece; 53. Rotating seat; 54. Connecting rod; 55. Arc-shaped piece. Detailed implementation manners

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] In order to solve the technical problems of the existing spraying equipment being cumbersome to manufacture, unable to be telescopic, and having a low reuse rate, as Figures 1 - 10 shown, the following preferred technical solutions are provided:

[0031] An adjustable telescopic spraying device, comprising a water pump and a spraying assembly. Multiple groups of spraying assemblies are provided, and the water pump is connected to the spraying assembly and between adjacent two groups of spraying assemblies through water pipes. This connection method is the same as that of the existing spraying device on the building enclosure, and will not be elaborated here too much. As Figures 1 - 2 shown, the spraying assembly includes a first pipe 1 and a second pipe 2 slidably connected to the outer side of the first pipe 1. The spraying assembly further includes nozzles 3 evenly distributed on the first pipe 1 and the second pipe 2. One end of the first pipe 1 is provided with a water inlet interface 12, and a water outlet interface 23 is installed at one end of the second pipe 2 far from the water inlet interface 12. As Figures 5 - 7 shown, on the surface of one end of the first pipe 1 close to the water outlet interface 23 in contact with the second pipe 2, a water outlet hole 14 is provided. On the surface of the second pipe 2 in contact with the first pipe 1, water inlet holes 24 are evenly distributed, and the number of water inlet holes 24 is one more than the number of nozzles 3 on the second pipe 2. The water inlet holes 24 correspond to the water outlet holes 14, and the water coming out from the water outlet holes 14 enters the inside of the second pipe 2 through the water inlet holes 24;

[0032] As Figure 4 shown, valve assemblies 4 are evenly distributed inside the second pipe 2. The number of valve assemblies 4 is the same as the number of nozzles 3 outside the second pipe 2, and the valve assemblies 4 are located on the side of the nozzles 3 close to the water outlet interface 23. The valve assemblies 4 are used to conduct water flow unidirectionally to prevent water from flowing in the inside of the second pipe 2 towards the end far from the water outlet interface 23.

[0033] As Figure 6 shown, the water inlet interface 12 is threadedly connected to the first pipe 1. As Figure 7 shown, the water outlet interface 23 is threadedly connected to the second pipe 2. The water inlet interface 12 on the spraying assembly is connected to the water outlet interface 23 on the adjacent spraying assembly through a pipe; on one side of the first pipe 1 close to the second pipe 2, a sliding groove 11 is provided. On one side of the second pipe 2 close to the first pipe 1, a sliding bar 21 corresponding to the sliding groove 11 is provided. Through the sliding groove 11 and the sliding bar 21, the first pipe 1 and the second pipe 2 can perform a sliding operation.

[0034] As Figure 4 shown, a first plug 13 is threadedly connected to one end of the first pipe 1 close to the water outlet interface 23, and a second plug 22 is threadedly connected to one end of the second pipe 2 close to the water inlet interface 12. The first plug 13 and the second plug 22 are used to block the water flow; As Figure 3As shown in the figure, a first arrow 15 is provided at the top of the first pipe 1 near the water outlet hole 14, and second arrows 25 are evenly distributed at the top of the second pipe 2 near the water inlet hole 24. The first arrow 15 and the second arrows 25 are used for positioning the water outlet hole 14 and the water inlet hole 24. When the first arrow 15 is aligned with the second arrows 25, the first pipe 1 and the second pipe 2 are connected through the water outlet hole 14 and the water inlet hole 24.

[0035] As Figure 6 shown in the figure, a buckle 5 is installed between the first pipe 1 and the second pipe 2, and the buckle 5 is installed near the water outlet hole 14 and the water inlet hole 24. The buckle 5 includes a rotating piece 52, and one end of the rotating piece 52 is rotatably connected to the top surface of the first pipe 1 through a rotating shaft 51. The buckle 5 further includes an arc-shaped piece 55 movably arranged outside the second pipe 2, and a connecting rod 54 is movably installed between the arc-shaped piece 55 and the rotating piece 52.

[0036] A rotating seat 53 is arranged on the top surface of the rotating shaft 51. One end of the connecting rod 54 is rotatably connected to the rotating seat 53, and the other end of the rotating seat 53 is rotatably connected to the arc-shaped piece 55. There is a distance between the rotating shaft 51 and the rotating seat 53. When the rotating piece 52 rotates clockwise around the rotating shaft 51, the rotating seat 53 pushes the connecting rod 54 and the arc-shaped piece 55 to move. At this time, the arc-shaped piece 55 leaves the surface of the second pipe 2. When the rotating piece 52 rotates counterclockwise around the rotating shaft 51, the rotating piece 52 pulls the connecting rod 54 through the rotating seat 53, so that the arc-shaped piece 55 fits the outer surface of the second pipe 2 and presses tightly against the first pipe 1, avoiding water leakage between the water outlet hole 14 and the water inlet hole 24.

[0037] As Figure 9 shown in the figure, the valve assembly 4 includes a sealing ring 41 fitted and installed inside the water inlet hole 24, and the inner side of the sealing ring 41 is located inside the second pipe 2. The valve assembly 4 further includes a guiding cover 42 fitted and installed on the inner wall of the second pipe 2. The guiding cover 42 is in a funnel shape, and the included angle between the sealing ring 41 and the guiding cover 42 is 90°. The valve assembly 4 further includes a rotating valve plate 44 rotatably arranged inside the second pipe 2, and the rotating valve plate 44 is located between the inner side of the sealing ring 41 and the guiding cover 42. A sealing end face 421 is arranged on one side of the guiding cover 42 close to the rotating valve plate 44, and sealing rings 441 are arranged on both sides of the rotating valve plate 44.

[0038] The valve assembly 4 further includes a rotating rod 43 that extends downwardly through from above the second pipe 2, and the rotating rod 43 is rotatably connected to the second pipe 2. A pin shaft 431 is provided at the bottom of the rotating rod 43, and a pin hole 442 corresponding to the pin shaft 431 is provided at the edge of the rotating valve plate 44. Above the second pipe 2, a fixed shaft 45 and a connecting rod 46 are provided. The fixed shaft 45 is located on the angular center line between the sealing ring 41 and the guiding cover 42. The connecting rod 46 is L-shaped, and one end of the connecting rod 46 is fixedly connected to the top of the rotating rod 43. The fixed shaft 45 is rotatably connected to the top of the second pipe 2, and a tension spring 47 is fixedly installed between the fixed shaft 45 and the other end of the connecting rod 46; as Figure 8 and Figure 9 shown, a fixed snap ring 26 is provided at the top of the second pipe 2, and above the fixed shaft 45, the connecting rod 46 and the tension spring 47 above the second pipe 2, a sealing cover 48 is provided. The sealing cover 48 is fitted and installed inside the fixed snap ring 26; since the included angle between the sealing ring 41 and the guiding cover 42 is 90°, the fixed shaft 45 is located on the angular center line between the sealing ring 41 and the guiding cover 42, and the connecting rod 46 is L-shaped, so under the action of the stretched tension spring 47, the rotating valve plate 44 can always be kept in contact with the sealing end face 421 or the inner side of the sealing ring 41.

[0039] Working principle:

[0040] S1. Water supply process: After the water pump is started, water flows into the first pipe 1 of the sprinkler assembly through the water pipe. The water inlet interface 12 at one end of the first pipe 1 is connected to the water pipe, and water enters the interior of the first pipe 1 therefrom;

[0041] S2. Pipeline telescopic adjustment: The first pipe 1 and the second pipe 2 are slidably connected through the chute 11 and the slide bar 21. Construction workers can manually slide the second pipe 2 to expand and contract on the first pipe 1 according to actual requirements such as the length of the construction site enclosure, so as to adjust the length of the entire sprinkler device and adapt to different construction scenarios;

[0042] S3. Water flow distribution and control: At one end of the first pipe 1 close to the water outlet interface 23, a water outlet hole 14 is provided; correspondingly, water inlet holes 24 are evenly distributed on the second pipe 2. When the first arrow 15 and the second arrow 25 on the first pipe 1 and the second pipe 2 are aligned, the two are connected through the water outlet hole 14 and the water inlet hole 24, and the water in the first pipe 1 flows into the second pipe 2 through the water outlet hole 14 and the water inlet hole 24;

[0043] S4. Unidirectional water flow control: The valve assembly 4 inside the second pipe 2 ensures unidirectional water flow. When water flows into the second pipe 2 from the water inlet hole 24, under the action of water pressure, the rotating valve plate 44 at the water inlet hole 24 corresponding to the water outlet hole 14 overcomes the pulling force of the tension spring 47 and rotates to fit against the sealing end face 421 to prevent water from flowing backward. The rotating valve plates 44 inside the second pipe 2 on the right side of the water outlet hole 14 all fit against the inner side of the sealing ring 41 to prevent water from leaking from the sealing ring 41, allowing water to pass through and flow to the nozzle 3;

[0044] S5. Spraying operation: When water enters the second pipe 2 from the first pipe 1, it is sprayed out through the nozzles 3 evenly distributed on the first pipe 1 and the second pipe 2 to form fine water for dust reduction at the construction site. Only the nozzles 3 on the first pipe 1 spray water in the overlapping area of the second pipe 2 and the first pipe 1, with good uniformity.

[0045] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such process, method, article or device.

[0046] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. An adjustable and retractable spraying device, comprising a water pump and a spraying assembly, characterized in that: The spray assembly is provided in multiple groups, and the water pump is connected to the spray assembly and two adjacent groups of spray assemblies through water pipes. The spray assembly includes a first pipe and a second pipe slidably connected to the outer side of the first pipe. The spray assembly also includes nozzles evenly distributed on the first pipe and the second pipe. One end of the first pipe is provided with a water inlet interface, and the end of the second pipe away from the water inlet interface is equipped with a water outlet interface. The end of the first pipe close to the water outlet interface is provided with a water outlet hole on the side in contact with the second pipe. The side of the second pipe in contact with the first pipe is evenly distributed with water inlet holes, and the number of the water inlet holes is one more than the number of nozzles on the second pipe. The water inlet hole corresponds to the water outlet hole, and the water coming out of the water outlet hole enters the interior of the second pipe through the water inlet hole. The second pipe is evenly distributed with valve assemblies, the number of which is the same as the number of the nozzles outside the second pipe, and the valve assemblies are located on the side of the nozzles close to the water outlet interface, and the valve assemblies are used to guide the water flow unidirectionally to prevent the water from flowing inside the second pipe to the end away from the water outlet interface; The valve assembly includes a sealing ring embedded in the water inlet hole, and the inner side of the sealing ring is located in the second pipe. The valve assembly also includes a guide cover embedded in the inner wall of the second pipe, the guide cover is funnel-shaped, and the angle between the sealing ring and the guide cover is 90°. The valve assembly also includes a rotating valve disc rotatably arranged in the second pipe, and the rotating valve disc is located between the inner side of the sealing ring and the guide cover. A sealing end face is provided on one side of the guide cover close to the rotating valve disc, and sealing rings are provided on both sides of the rotating valve disc. The valve assembly also includes a rotating rod extending downward from the top of the second pipe, and the rotating rod is rotatably connected to the second pipe, a pin shaft is provided at the bottom of the rotating rod, and a pin hole corresponding to the pin shaft is provided at the edge of the rotating valve plate, a fixed shaft and a connecting rod are provided above the second pipe, the fixed shaft is located on the center line of the angle between the sealing ring and the guide cover, the connecting rod is L-shaped, and one end of the connecting rod is fixedly connected to the top of the rotating rod, the fixed shaft is rotatably connected to the top of the second pipe, and a tension spring is fixedly installed between the fixed shaft and the other end of the connecting rod; A fixing clamp ring is arranged on the top of the second pipeline, and a sealing cover is arranged above the second pipeline above the fixing shaft, the connecting rod and the tension spring, and the sealing cover is embedded and installed inside the fixing clamp ring.

2. The adjustable and retractable spraying device according to claim 1, characterized in that: The water inlet interface is connected to the first pipe via a thread, the water outlet interface is connected to the second pipe via a thread, and the water inlet interface on the spray assembly is connected to the water outlet interface on the adjacent spray assembly via a pipe.

3. The adjustable and retractable spraying device according to claim 1, characterized in that: A sliding groove is arranged on one side of the first pipe close to the second pipe, and a sliding bar corresponding to the sliding groove is arranged on one side of the second pipe close to the first pipe.

4. The adjustable and retractable spraying device according to claim 1, characterized in that: A first block is threadedly connected to one end of the first pipe near the water outlet interface, and a second block is threadedly connected to one end of the second pipe near the water inlet interface. The first block and the second block are used to block the flow of water. A first arrow is provided at the top of the first pipe near the water outlet, and second arrows are evenly distributed at the top of the second pipe near the water inlet. The first arrow and the second arrow are used to locate the water outlet and the water inlet. When the first arrow is aligned with the second arrow, the first pipe is connected to the second pipe through the water outlet and the water inlet.

5. The adjustable and retractable spraying device according to claim 4, characterized in that: A clip is installed between the first pipe and the second pipe, and the clip is installed at a position close to the water outlet and the water inlet. The clip includes a rotating plate, one end of which is rotatably connected to the top surface of the first pipe through a rotating shaft. The clip also includes an arc-shaped plate movably arranged outside the second pipe, and a connecting rod is movably installed between the arc-shaped plate and the rotating plate.

6. The adjustable and retractable spraying device according to claim 5, characterized in that: A rotating seat is arranged on the top surface of the rotating shaft, a connecting rod is rotatably connected to one end of the rotating seat, and the other end of the rotating seat is rotatably connected to the arc-shaped piece, and a spacing is arranged between the rotating shaft and the rotating seat.

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