A new sealing structure between a sweeper truck fan and a garbage can

Abstract

The utility model discloses a new sealing structure between the garbage truck fan and the dustbin, including fan and the air inlet (5) and the air outlet (1) of setting at the side of fan, be equipped with sealing washer (2) between the air inlet (5) and the air outlet (1), the cross section of sealing washer (2) is splayed, fan and the dustbin between adopt a adopt inverted " eight " splayed sealing washer (2), because the airflow speed of sealing washer (2) inside is faster, under the action of external atmospheric pressure, contract to the inside under pressure, when contract to the inside, will make sealing washer (2) along sealing washer (2) and the junction of air inlet (5) fold, thereby make sealing washer (2) and the air outlet (1) between fit more closely, improve the leakproofness, through " eight " splayed side seal, because sealing washer (2) installation height is adjustable, its pressure deformation amount is controllable, relative to the service life of traditional sealing strip is high.

Description

Technical Field

[0001] This utility model belongs to the field of sealing structure technology. Specifically, this utility model relates to a novel sealing structure between the blower of a sweeper truck and the garbage bin. Background Technology

[0002] The sweeper truck is a type of road sweeping and cleaning vehicle. Its garbage collection system mainly consists of a blower, a suction nozzle, sweeping discs, and a garbage bin. The blower's air inlet is connected to the garbage bin, which is in turn connected to the suction nozzle at the bottom via a pipe. During garbage collection, the sweeping discs gather the garbage near the suction nozzle, while the blower creates a vacuum in the garbage bin, allowing air to enter through the suction nozzle and generating airflow. Under the action of the airflow, garbage particles around the suction nozzle are transported into the garbage bin through the pipe.

[0003] A patent application with patent number 201710341920.3 and publication date of August 28, 2018, discloses a high-efficiency road sweeper, including a vehicle body, a dust collection bin, and a blower. The dust collection bin is characterized by the following features: A large debris bin, a small particle bin, a blower, and a water tank are arranged sequentially from front to back along the vehicle's direction of travel below the dust collection bin. An adjustable shovel plate is hinged to the lower edge of the waste inlet of the large debris bin. An adjustable bridge plate is hinged to the lower edge of the small particle waste inlet of the small particle bin. A dust suction hood is provided between the top of the blower and the top of the small particle bin. A blower plate is hinged below the blower. A suction plate is provided between the blower inlet and the top of the large debris bin, the small particle bin, and the dust suction hood. A water pipe is located below the water tank, and a nozzle is provided at the end of the water pipe. Its structure is reasonable and reliable. Compared with existing sweepers, it significantly improves sweeping speed, expands the sweeping area several times, and collects all garbage particles of all sizes, significantly improving sweeping efficiency and saving operating costs.

[0004] The sealing performance at the connection between the blower and the garbage bin directly affects the garbage collection performance. Most sweeper trucks on the market use a D-type seal, or flat seal, where a sealing strip is installed between the blower inlet and the garbage bin's connecting end face. The weight of the garbage bin presses the two flat surfaces onto the sealing strip, forming a seal. This type of seal requires a high degree of parallelism and clearance at the connection between the garbage bin and the blower inlet. If the connection is not parallel or there is a gap between them, the sealing performance will be affected, resulting in poor garbage collection. Utility Model Content

[0005] The present invention aims to provide a novel sealing structure between the blower and the garbage bin of a sweeper truck with good sealing performance.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a novel sealing structure between the blower and the garbage bin of a sweeper truck, including a blower and an air inlet and an air outlet arranged on the side of the blower, wherein a sealing ring is provided between the air inlet and the air outlet, and the cross-section of the sealing ring is V-shaped.

[0007] The bottom of the sealing ring is fitted onto the air inlet, and the top of the sealing ring abuts against the bottom surface of the air outlet.

[0008] The top of the air inlet is provided with a waist-shaped hole, and the sealing ring is fixed to the waist-shaped hole by bolts.

[0009] A pressure plate is provided on the outside of the sealing ring, and bolts pass through the pressure plate, the sealing ring and the air inlet.

[0010] The sealing ring is divided into a straight portion at both ends and a curved portion between the straight portions, wherein the cross-sectional thickness of the curved portion is greater than the thickness of the straight portion.

[0011] The top of the sealing ring abuts against the flange surface of the air outlet, and the top cross-section of the sealing ring is inclined, with the top of the sealing ring making linear contact with the flange surface.

[0012] The bottom of the sealing ring has an opening groove, which is distributed on the edges of the four sides of the bottom of the sealing ring.

[0013] The technical advantages of this utility model are as follows: an inverted "V" shaped sealing ring is used between the fan and the garbage bin. The negative pressure generated by the fan causes the inverted "V" shaped sealing surface to contract inward, so that the inclined surface of the sealing ring is close to the connecting plane of the garbage bin. The sealing is achieved through the side of the "V". Since the installation height of the sealing ring is adjustable, its deformation under pressure is controllable, and its service life is longer than that of traditional sealing strips. Attached Figure Description

[0014] This manual includes the following figures, which illustrate the following:

[0015] Figure 1 This is a schematic diagram of a novel sealing structure between the blower and the garbage bin of a sweeper truck according to this utility model;

[0016] Figure 2 for Figure 1 An enlarged schematic diagram of point A in a novel sealing structure between the blower and the garbage bin of a sweeper truck;

[0017] Figure 3 for Figure 1 A schematic diagram of the air inlet of a novel sealing structure between the blower and the garbage bin of a sweeper truck;

[0018] Figure 4 for Figure 1A schematic diagram of a sealing ring for a novel sealing structure between the blower and the garbage bin of a sweeper truck.

[0019] The markings in the diagram are: 1. Air outlet; 2. Sealing ring; 3. Bolt; 4. Pressure plate; 5. Air inlet. Detailed Implementation

[0020] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, in order to help those skilled in the art to have a more complete, accurate and in-depth understanding of the utility model concept and technical solution, and to facilitate its implementation.

[0021] Please see Figure 1-4 A novel sealing structure between a sweeper's blower and a garbage bin is disclosed. This structure includes a blower and an air inlet 5 and an air outlet 1 located on the side of the blower. A sealing ring 2 is provided between the air inlet 5 and the air outlet 1, with a cross-section of the sealing ring 2 being V-shaped. An inverted V-shaped sealing ring 2 is used between the blower and the garbage bin. The negative pressure generated by the blower causes the inverted V-shaped sealing surface to contract inwards, making the inclined surface of the sealing ring 2 adhere tightly to the connecting plane of the garbage bin, thus sealing through the V-shaped side. Because the installation height of the sealing ring 2 is adjustable, its deformation under pressure is controllable, resulting in a longer service life compared to traditional sealing strips.

[0022] The bottom of the sealing ring 2 is fitted onto the air inlet 5, and the top of the sealing ring 2 abuts against the bottom surface of the air outlet 1. The bottom of the sealing ring 2 covers the outside of the air inlet 5 to prevent air leakage, while the top of the sealing ring 2 abuts against the air outlet 1, forming a preliminary sealing effect. As air is blown from the air outlet 1 into the air inlet 5, the airflow inside the sealing ring 2 is faster and, under the action of external atmospheric pressure, contracts inward. Because the cross-section of the sealing ring 2 is inverted V-shape and the top of the sealing ring 2 is inclined... The sealing ring 2 is tightly attached to the bottom surface of the air outlet 1. When it is tightened inward, the sealing ring 2 bends along the connection between the sealing ring 2 and the air inlet 5. This causes the top of the sealing ring 2 to move tightly against the bottom surface of the air outlet 1, making the sealing ring 2 fit more tightly against the air outlet 1 and improving the sealing performance. Since the figure-eight shaped sealing ring 2 is tightly attached to the bottom of the air outlet 1 to achieve a seal, the height of the sealing ring 2 is adjustable to adapt to a certain degree of change in the distance between the air outlet 1 and the air inlet 5.

[0023] The top of the air inlet 5 is provided with a waist-shaped hole, and the sealing ring 2 is fixed to the waist-shaped hole by bolts 3; the waist-shaped hole can moderately adjust the height of the sealing ring 2 to adapt to the air outlet 1 and air inlet 5 with different spacing.

[0024] A pressure plate 4 is provided on the outside of the sealing ring 2, and the bolt 3 passes through the pressure plate 4, the sealing ring 2 and the air inlet 5; the pressure plate 4 can reduce the pressure damage of the bolt 3 on the sealing ring 2 when the bolt 3 is installed.

[0025] The sealing ring 2 is divided into a straight section at both ends and a curved section between the straight sections. The cross-sectional thickness of the curved section is greater than that of the straight section. This improves the strength of the curved section of the sealing ring 2, reduces the problem of the sealing ring 2 breaking due to bending, and improves the product's lifespan.

[0026] The top of the sealing ring 2 abuts against the flange surface of the air outlet 1, and the top cross-section of the sealing ring 2 is inclined, with the top of the sealing ring 2 in linear contact with the flange surface; this ensures that when the sealing ring 2 is bent inward by atmospheric pressure, the top of the sealing ring 2 can slide along the flange surface at the bottom of the air outlet 1, thereby improving the sealing performance.

[0027] The bottom of the sealing ring 2 has an opening groove, which is distributed on the edges of the four sides of the bottom of the sealing ring 2. Due to the presence of the opening groove, the sealing ring 2 can adapt to an air inlet 5 with an area slightly larger than itself. This facilitates installation, and the bottom of the sealing ring 2 can fit more tightly onto the outer wall of the air inlet 5, reducing air leakage through gaps.

[0028] Working principle: The sealing ring 2 is fixed to the outside of the air inlet 5 by bolt 3. The top of the sealing ring 2 abuts against the lower surface of the air outlet 1. When the air outlet 1 blows air into the air inlet 5, the airflow speed inside the sealing ring 2 is faster. Under the action of external atmospheric pressure, it is compressed and contracts inward. Since the cross-section of the sealing ring 2 is inverted V-shape and the top of the sealing ring 2 is inclined and tightly attached to the bottom surface of the air outlet 1, when it tightens inward, the sealing ring 2 will bend along the connection between the sealing ring 2 and the air inlet 5. This will cause the top of the sealing ring 2 to move tightly against the bottom surface of the air outlet 1, thereby making the sealing ring 2 and the air outlet 1 fit more tightly and improving the sealing performance.

[0029] The technical advantages of this utility model are as follows: an inverted "V" shaped sealing ring 2 is used between the fan and the garbage bin. The negative pressure generated by the fan causes the inverted "V" shaped sealing surface to contract inward, so that the inclined surface of the sealing ring 2 is close to the connecting plane of the garbage bin. The sealing is achieved through the "V" side. Since the installation height of the sealing ring 2 is adjustable, its deformation under pressure is controllable, and its service life is relatively long compared to traditional sealing strips.

[0030] The present invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvements made using the inventive concept and technical solution of the present invention; or the direct application of the inventive concept and technical solution to other situations without modification, are all within the protection scope of the present invention.

Claims

1. A novel sealing structure between a sweeper truck blower and a garbage bin, comprising a blower and an air inlet (5) and an air outlet (1) disposed on the side of the blower, characterized in that: A sealing ring (2) is provided between the air inlet (5) and the air outlet (1), and the cross-section of the sealing ring (2) is V-shaped.

2. The novel sealing structure between the sweeper blower and the garbage bin according to claim 1, characterized in that: The bottom of the sealing ring (2) is fitted onto the air inlet (5), and the top of the sealing ring (2) abuts against the bottom surface of the air outlet (1).

3. A novel sealing structure between the blower and the garbage bin of a sweeper truck according to claim 1 or 2, characterized in that: The top of the air inlet (5) is provided with a waist-shaped hole, and the sealing ring (2) is fixed to the waist-shaped hole by bolts (3).

4. The novel sealing structure between the sweeper blower and the garbage bin according to claim 3, characterized in that: The sealing ring (2) is provided with a pressure plate (4) on the outside, and the bolt (3) passes through the pressure plate (4), the sealing ring (2) and the air inlet (5).

5. The novel sealing structure between the sweeper blower and the garbage bin according to claim 1, characterized in that: The sealing ring (2) is divided into a straight portion at both ends and a curved portion between the straight portions, wherein the cross-sectional thickness of the curved portion is greater than the thickness of the straight portion.

6. The novel sealing structure between the blower and the garbage bin of a sweeper truck according to claim 1, characterized in that: The top of the sealing ring (2) abuts against the flange surface of the air outlet (1), and the top cross section of the sealing ring (2) is inclined, and the top of the sealing ring (2) is in linear contact with the flange surface.

7. A novel sealing structure between the blower and the garbage bin of a sweeper truck according to claim 1, characterized in that: The bottom of the sealing ring (2) is provided with an opening groove, which is distributed on the edges of the four sides of the bottom of the sealing ring (2).

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