A side-blowing structure, a suction nozzle device, and a high-speed sweeper

Abstract

This utility model proposes a side-blowing structure, a suction nozzle device, and a high-speed sweeper, relating to the field of sanitation vehicle technology. The proposed side-blowing structure includes an outer shell and a suction nozzle cylinder mounted on the outer shell, with its suction end located at the bottom of the outer shell and connected to a negative pressure dust collection system. It also includes a side-blowing nozzle located on the side of the outer shell, which is connected to an airflow generating unit via an airflow pipe to provide external airflow to the side-blowing nozzle. By spraying airflow onto the side debris through the side-blowing nozzle, it directs the debris out of non-traffic areas such as roads, eliminating the possibility of it re-entering the center of the road and overcoming the shortcomings of traditional suction methods.

Description

Technical Field

[0001] This utility model relates to the field of sanitation vehicle technology, and in particular to a side-blowing structure, a suction nozzle device, and a high-speed sweeper. Background Technology

[0002] Early garbage sweepers were primarily mechanical, using rotating brushes to sweep garbage into collection bins. However, this method had drawbacks such as generating significant dust and difficulty in handling fine particles. With continuous technological advancements, vacuum sweepers have gradually been adopted. These sweepers use fans to create negative pressure, drawing garbage into the bins, effectively reducing dust and driving garbage collection operations towards higher efficiency, environmental friendliness, and intelligence.

[0003] Traditional vacuum sweepers typically use the suction nozzle as their core cleaning component. Taking the sweeper nozzle and sweeper described in patent application number 201710445781.9 as an example, the suction end is usually located at the bottom of the nozzle, only covering the area directly below it. This makes it difficult to effectively pick up dust and small particles of debris from the sides of the nozzle. Especially debris located in corner areas such as under highway guardrails, if not collected or cleaned promptly, can easily be blown back to the center of the road by airflow, increasing the difficulty of subsequent cleaning and potentially posing a threat to the safety of passing vehicles. Utility Model Content

[0004] This utility model aims to at least partially solve one of the technical problems in related technologies. To this end, this utility model proposes a side-blowing structure, a suction nozzle device, and a high-speed sweeper.

[0005] The technical solution to the technical problem solved by this utility model is as follows:

[0006] This utility model proposes a side-blowing structure, including an outer shell; a suction nozzle cylinder disposed on the outer shell, with the suction end located at the bottom of the outer shell and connected to a negative pressure dust collection system; and a side-blowing nozzle disposed on the side of the outer shell and connected to an airflow generating unit via an airflow pipe to provide external airflow to the side-blowing nozzle. Preferably, the airflow generating unit is the exhaust end of the negative pressure dust collection system. Preferably, the side-blowing nozzle includes a side-blowing opening formed in the side wall of the outer shell, the side-blowing opening having a rectangular structure; a guide blowshell is fixed to the outside of the side-blowing opening, the guide blowshell being arranged at a downward inclination. Preferably, the guide blowshell passes through the side-blowing opening and is connected to a transition blowshell, the transition blowshell being located on the upper inner side of the outer shell; the bottom of the airflow pipe has an elliptical-bottomed frustum-shaped structure and is connected to the transition blowshell. This utility model also proposes a suction nozzle device, including any of the aforementioned side-blowing structures, wherein the outer shell is provided with at least two sets of wheels, and the rear side of the outer shell has a protrusion, forming a placement space at the bottom of the protrusion, within which a rotatable roller brush is disposed; the suction nozzles are evenly disposed on the front side of the outer shell, and the side-blowing nozzles are correspondingly disposed on the sides of the suction nozzles. Preferably, the front side of the outer shell is provided with an upper baffle and a guide baffle, the guide baffle being inclined to guide waste into the interior of the outer shell and to prevent waste from splashing out from the bottom of the inner shell. Preferably, the protrusion is provided with at least one set of inspection ports, and the inspection ports are provided with openable and closable inspection covers. Preferably, one side of the inspection cover is hinged above the protrusion; a U-shaped guide rail is provided on the protrusion, and a pressure plate is detachably inserted into the guide rail. The pressure plate presses against the other side of the inspection cover and the protrusion. Corresponding threaded holes are provided on the protrusion, the inspection cover, and the pressure plate, and bolts are threaded into the threaded holes to fix the pressure plate between the inspection cover and the protrusion. Preferably, the pressure plate has a "T" shaped structure, is made of metal, and a magnetic suction piece is correspondingly provided on the inner side of the guide rail, which is magnetically connected to the pressure plate. This utility model also proposes a high-speed sweeper, including any of the above-mentioned suction nozzle devices.

[0007] The above technical solution has the following advantages or beneficial effects:

[0008] 1. In this utility model, a side nozzle is provided on the side of the outer shell. The side nozzle sprays airflow onto the garbage on the side, directing it out of the road area and other non-traffic areas, eliminating the possibility of it re-entering the center of the road from the source, and making up for the shortcomings of traditional suction methods.

[0009] 2. In this utility model, an inspection port is provided on the outer shell to facilitate cleaning of components such as the roller brush inside the outer shell. The inspection port is provided with an openable and closable inspection cover. The inspection cover is secured and fitted by a locking rail and a pressure plate. This design can effectively limit the displacement of the inspection cover and keep it relatively stationary even under vibration conditions, effectively avoiding noise and structural damage caused by collisions and extending the overall service life. Attached Figure Description

[0010] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0011] Figure 1 This is a structural schematic diagram of the high-speed sweeper of this utility model;

[0012] Figure 2 A three-dimensional structural diagram of the top surface of a suction nozzle device with a side-blowing structure;

[0013] Figure 3 A three-dimensional schematic diagram of the bottom surface of a suction nozzle device with a side-blowing structure;

[0014] Figure 4 A three-dimensional structural diagram of the top surface of a suction device with an openable and closable inspection cover;

[0015] Figure 5 for Figure 4 Enlarged view of part A in the middle.

[0016] Explanation of reference numerals in the attached figures:

[0017] 1. Outer shell; 2. Nozzle tube;

[0018] 3. Side nozzle; 31. Side inlet; 32. Guide blow shell; 33. Adapter blow shell;

[0019] 4. Airflow duct; 5. Wheels; 6. Protrusion; 7. Brush roller; 8. Upper enclosure; 9. Guide enclosure; 10. Baffle; 11. Flexible baffle; 12. Inspection port; 13. Inspection cover; 14. Rail; 15. Pressure plate; 16. Threaded hole; 17. Bolt. Detailed Implementation

[0020] To make the objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0021] It should be noted that in the description of this utility model, the terms "upper", "lower", "left", "right", "inner", "outer", etc., indicating the direction or positional relationship are based on the direction or positional relationship shown in the drawings. This is only for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this utility model.

[0022] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0023] like Figures 1 to 5 As shown, this embodiment proposes a side-blowing mechanism, which includes an outer shell 1 and a suction cylinder 2. The suction cylinder 2 is disposed on the outer shell 1, and its suction end is located at the bottom of the outer shell 1 and is connected to the suction end of the negative pressure dust collection system. It also includes a side-blowing nozzle 3, which is disposed on the side of the outer shell 1 and is connected to the airflow generating unit through an airflow pipe 4 to provide external airflow to the side-blowing nozzle 3.

[0024] Conventional sweeper nozzles typically have their suction end at the bottom, meaning they can only clean debris within the area at the bottom of the nozzle. In this design, the side nozzle 3 can clean the sides of the outer casing 1 to a certain extent. By spraying airflow onto the sides of the outer casing 1, the side nozzle 3 directs the debris out of non-traffic areas such as roads, fundamentally eliminating the possibility of it re-entering the center of the road and compensating for the shortcomings of traditional suction methods.

[0025] In some embodiments, the airflow generating unit may employ an independent blower system, through which an external airflow is directed to the side nozzles, thereby sweeping the debris on both sides of the housing into a non-traffic area.

[0026] In other embodiments, to optimize resource allocation, the airflow generating unit is the exhaust end of a negative pressure dust collection system. For example... Figure 1 As shown, an exhaust channel is added to the exhaust end of the negative pressure dust collection system. This exhaust channel is located in the middle of the lower part of the trash can and is connected to the airflow duct. A branch channel is connected to the side of the exhaust channel, which is connected to the airflow duct 4. A pneumatic control valve is installed on the branch channel. The exhaust end of the negative pressure dust collection system provides external airflow to the side nozzle 3 to maximize resource utilization.

[0027] In some embodiments, the side-blowing nozzle 3 includes a side-blowing opening 31 formed on the side wall of the outer casing 1, the side-blowing opening 31 having a rectangular structure; a guide blowing shell 32 is fixed to the outside of the side-blowing opening 31, the guide blowing shell 32 being arranged at a downward inclination, the suction range being the road surface on the side of the outer casing 1. The side-blowing nozzle 3 and the suction cylinder 2 form a functionally complementary cleaning combination: the suction cylinder 2, with the negative pressure effect of the bottom suction end, focuses on sucking up large particles of garbage on the bottom surface of the vehicle body, achieving efficient cleaning of the main road; the side-blowing nozzle 3 targets small particles of garbage in the side areas that are difficult for the suction cylinder 2 to reach, and uses directional airflow to blow them away. In this embodiment, the side-blowing opening 31 and the guide blowing shell 32 are specifically designed with a rectangular structure, and through the narrow opening and the straight-line guide structure, the airflow is integrated into a highly concentrated flat air curtain, which can significantly improve the blowing force compared with the traditional circular seal, effectively enhancing the ability to drive away small particles of garbage in gaps and corners.

[0028] Furthermore, the guide blow shell 32 passes through the side blow port 31 and is connected to the adapter blow shell 33, which is located on the inner side above the outer shell 1; the bottom of the airflow pipe 4 has an elliptical bottom frustum structure and is connected to the adapter blow shell 33.

[0029] Because the rectangular side nozzle 31 and guide shell 32 have the characteristics of concentrating and lifting airflow, the corresponding adapter shell 33 is rectangular in design. This maximizes the use of the space inside the outer shell 1 and avoids wasting space due to shape mismatch. The bottom of the airflow pipe 4 is elliptical frustum-shaped, which effectively reduces the lateral footprint compared to the traditional frustum-shaped structure. This avoids compressing the suction range of the suction cylinder 2, making the internal suction structure layout of the sweeper truck more compact and reasonable. Within the limited vehicle space, it ensures the functionality of the side nozzle 3 without affecting the normal operation of the suction cylinder 2.

[0030] The present invention also proposes a suction nozzle device, which includes any of the above-mentioned side-blowing structures, wherein at least two sets of walking wheels 5 are provided on the housing, and the rear side of the outer shell 1 has a protrusion 6, such that the bottom of the protrusion 6 forms a placement space, and a rotatable roller brush cylinder 7 is provided in the placement space. The roller brush cylinder 7 is driven by a hydraulic motor connected to the outside of the outer shell 1; the above-mentioned suction nozzle cylinders 2 are all provided on the front side of the outer shell 1, and the side-blowing nozzles 3 are correspondingly provided on the side of the suction nozzle cylinder 2.

[0031] The suction nozzle device moves with the vehicle. During this movement, a negative pressure suction system provides negative pressure suction to the nozzle cylinder 2 to pick up and clean up trash on the ground. The roller brush cylinder 7, as an auxiliary unit, can turn up heavy, blocky trash (such as stones, bottle caps, etc.) from the road surface, detaching them from the surface. With the assistance of the roller brush cylinder 7, the trash gains initial upward velocity and enters the suction cylinder 2 under negative pressure, significantly improving the efficiency of picking up heavy trash. The side blow nozzle 3 shares the same negative pressure suction system as the nozzle cylinder 2. This system provides blowing force to the side blow nozzle 3, blowing small particles of trash from the side of the suction device into the traffic area, thus avoiding impact on passing vehicles.

[0032] In some embodiments, an upper baffle 8 and a guide baffle 9 are provided on the front side of the outer casing 1. The upper baffle 8 is located on the upper half of the outer casing 1, and the guide baffle 9 is inclined to guide the garbage into the interior of the outer casing 1, thus preventing garbage from splashing out of the outer casing 1. The inclined guide baffle 9 allows garbage to slide naturally along the guide baffle 9 into the interior of the outer casing 1 when the suction device moves on the road surface, and is then sucked up by negative pressure, thereby improving the efficiency of garbage entering the suction device and making the cleaning process smoother. The upper baffle 8 design also protects the vehicle chassis to a certain extent, preventing garbage from being thrown upwards and damaging the chassis during the movement of the suction device.

[0033] Furthermore, a baffle 10 is provided at the rear of the outer casing 1. The baffle 10 has a U-shaped structure, and a flexible baffle 11 is detachably connected to the baffle 10. The flexible baffle 11 is preferably made of rubber. The protective structure formed by the baffle 10 and the flexible baffle 11 can effectively block garbage that is splashed backward from under the vehicle during the sweeping process, avoiding the risk of scratches or injuries to vehicles behind due to gravel, hard garbage, etc. The detachable design allows for daily inspection and maintenance. When the flexible baffle 11 becomes worn, aged, or contaminated with stubborn stains, the operator can quickly remove and replace it.

[0034] In some embodiments, the protrusion 6 is provided with at least one set of inspection ports 12, and the inspection ports 12 are provided with openable and closable inspection covers 13. This facilitates maintenance personnel to inspect and clean the inner cavity of the outer casing 1, thereby effectively extending the service life of the equipment.

[0035] Traditional inspection covers 13 typically employ a connection method where one side is hinged and the other side is secured with bolts 17; however, this structure has significant drawbacks in the current scenario. Since the suction nozzle structure needs to move on the road surface using wheels 5, the nozzle device will continuously vibrate on uneven road conditions. This vibration easily causes the bolts 17 to loosen, and as the equipment continues to operate, the loosened inspection cover 13 will frequently collide with the protrusions 6, producing abnormal noise.

[0036] Based on this, the inspection cover 13 adopts the traditional design, with one side hinged to the top of the protrusion 6; on the other side, a U-shaped retaining rail 14 is provided on the protrusion 6, and the retaining rail 14 has an insertion space inside. A pressure plate 15 is detachably inserted into the insertion space of the retaining rail 14. The pressure plate 15 is pressed between the other side of the inspection cover 13 and the protrusion 6. The protrusion 6, the inspection cover 13 and the pressure plate 15 are respectively provided with corresponding threaded holes 16. The bolt 17 is threaded to the threaded hole 16 to fix the pressure plate 15 between the inspection cover 13 and the protrusion 6.

[0037] Furthermore, the tablet 15 has a "T" shaped structure, is made of metal, and has a magnetic strip on the inner side of the rail 14 that magnetically connects with the tablet 15.

[0038] In this design, a combination of U-shaped rails 14 and T-shaped pressure plates 15 is used. The pressure plates 15 are embedded in the insertion space of the rails 14 to form a mechanical limit, which is then tightened with bolts 17. This disperses the force on the inspection cover 13 to multiple contact points, significantly improving the vibration resistance of the connection structure. At the same time, the magnetic attraction between the magnetic plate and the metal pressure plate 15 further helps to counteract the loosening tendency caused by vibration, significantly reducing the risk of the bolts 17 loosening due to vibration, and ensuring that the inspection cover 13 is firmly and securely fitted. The optimized structure, through the tight fit between the rails 14 and the pressure plates 15, limits the displacement of the inspection cover 13, allowing it to remain relatively stationary even under vibration conditions. This effectively avoids noise and structural damage caused by collisions, extending the service life of the equipment.

[0039] This utility model also proposes a high-speed sweeper, including the aforementioned suction nozzle device. Since the high-speed sweeper according to the embodiments of this disclosure includes the aforementioned suction nozzle device, it also possesses corresponding beneficial technical effects, which will not be elaborated upon here.

[0040] Specifically, the high-speed sweeper includes a vehicle body and a cargo compartment. The negative pressure suction system includes a negative pressure fan installed on the vehicle body. The negative pressure suction generated by the fan acts on the cargo compartment through pipes, and the garbage is sucked into the cargo compartment through the suction nozzles, thus cleaning up road debris. During this process, the side nozzles 3 and the airflow pipes 4 are connected to the exhaust end of the negative pressure fan, which allows the airflow to blow away debris that is difficult to effectively pick up on both sides of the suction nozzles, especially debris located in corner areas such as below the highway guardrails. This prevents the debris from being blown back to the center of the road by natural airflow or airflow generated by passing vehicles, thus avoiding obstruction of traffic.

[0041] Although the specific embodiments of the utility model have been described above in conjunction with the accompanying drawings, this is not intended to limit the scope of protection of the utility model. Based on the technical solution of the utility model, various modifications or variations that can be made by those skilled in the art without creative effort are still within the scope of protection of the utility model.

Claims

1. A side-blowing structure, characterized in that, include; Outer shell (1); The suction nozzle (2) is set on the outer shell (1), with the suction end located at the bottom of the outer shell (1) and connected to the negative pressure dust collection system; The side nozzle (3) is located on the side of the outer shell (1) and is connected to the airflow generating unit through the airflow pipe (4) to provide external airflow to the side nozzle (3).

2. The side-blowing structure according to claim 1, characterized in that, The airflow generating unit is the exhaust end of the negative pressure dust collection system.

3. The side-blowing structure according to claim 1, characterized in that, The side nozzle (3) includes a side opening (31) opened on the side wall of the outer shell (1), the side opening (31) has a rectangular structure; a guide shell (32) is fixed on the outside of the side opening (31), the guide shell (32) is arranged in a downward tilt.

4. A side-blowing structure according to claim 3, characterized in that, The guide blow shell (32) is connected to the adapter blow shell (33) through the side blow port (31). The adapter blow shell (33) is located on the inner side above the outer shell (1). The bottom of the airflow pipe (4) is elliptical-bottomed frustum structure and is connected to the adapter blow shell (33).

5. A suction nozzle device, characterized in that, Including the side-blowing structure as described in any one of claims 1-4, The outer shell (1) is provided with at least two sets of walking wheels (5), and the rear side of the outer shell (1) has a protrusion (6) so that the bottom of the protrusion (6) forms a placement space, and a rotatable roller brush cylinder (7) is provided in the placement space; the suction cylinder (2) is evenly arranged on the front side of the outer shell (1), and the side blowing nozzle (3) is correspondingly arranged on the side of the suction cylinder (2).

6. A suction nozzle device according to claim 5, characterized in that, The outer shell (1) is provided with an upper enclosure (8) and a guide enclosure (9) on the front side. The guide enclosure (9) is set at an angle to guide the garbage into the interior of the outer shell (1) and to prevent the garbage at the bottom of the outer shell (1) from splashing out.

7. A suction nozzle device according to claim 5, characterized in that, The protrusion (6) is provided with at least one set of inspection ports (12), and the inspection ports (12) are provided with openable and closable inspection covers (13).

8. A suction nozzle device according to claim 7, characterized in that, The inspection cover (13) is hinged on one side above the protrusion (6); a U-shaped rail (14) is provided on the protrusion (6), and a pressure plate (15) is detachably inserted into the rail (14). The pressure plate (15) is pressed between the other side of the inspection cover (13) and the protrusion (6). Corresponding threaded holes (16) are opened on the protrusion (6), the inspection cover (13) and the pressure plate (15). The bolt (17) is threaded to the threaded hole (16) to fix the pressure plate (15) between the inspection cover (13) and the protrusion (6).

9. A suction nozzle device according to claim 8, characterized in that, The pressing plate (15) has a "T" shaped structure and is made of metal. The inner side of the rail (14) is provided with a magnetic plate, which is magnetically connected to the pressing plate (15).

10. A high-speed sweeper, characterized in that, Includes the suction nozzle device according to any one of claims 5-9.

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