Angle-adjustable spray head for road washing and sweeping vehicle

Abstract

The utility model provides an angle-adjustable sprayer for a road cleaning and sweeping vehicle, which relates to the technical field of road cleaning equipment and comprises a driving motor, the driving motor is arranged on the lower surface of a mounting frame, a screw is arranged at the output end of the driving motor, a slider is in threaded connection with the outer surface of the screw, a fixing disc is arranged at the lower end of the screw, and the lower end of the screw is rotatably connected with the center of the fixing disc. Metal water outlet pipes are symmetrically arranged at the left end and the right end of the fixing disc, one end of each metal water outlet pipe is hinged to the side wall of the fixing disc, a connecting rod is arranged between each metal water outlet pipe and the corresponding sliding block, the upper side wall of each metal water outlet pipe communicates with one end of a water conveying pipe, and the lower side wall of each metal water outlet pipe communicates with a plurality of sprayers. The nozzle is arranged on the lower side wall of the metal water outlet pipe, when the spraying position and angle of the nozzle are adjusted, the metal water outlet pipe is not prone to bending deformation, resistance borne by fluid is reduced, the fluid stably flows in the metal water outlet pipe, stable water pressure at the nozzle is guaranteed, and spraying quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of road cleaning equipment, in particular to an angle-adjustable spray head for a road cleaning and sweeping vehicle. Background Art

[0002] The nozzle of a washing and sweeping vehicle is an important part of the washing and sweeping vehicle. Its function is to spray water on the road surface and flush dirt through high-pressure water flow to achieve a cleaning effect.

[0003] The utility model with the authorization announcement number CN220027509U discloses an adjustable angle nozzle for a road sweeper, comprising an L-shaped bracket, a pipe bracket is installed at the bottom of the L-shaped bracket, a corrugated hose is installed inside the pipe bracket, and the outside of the corrugated hose is connected to a plurality of nozzles arranged at equal intervals; the water outlet of the nozzle is arranged vertically downward, a cable reel is installed on the top of the L-shaped bracket, a traction rope is fixedly connected to the rotating drum of the cable reel, and a disc motor is installed on one side of the cable reel. The utility model starts the disc motor to drive the rotating drum of the cable reel to rotate, so that the traction rope is retracted and rolled into the inside of the cable reel, and at the same time drives one end of the corrugated hose to rise upward and approach one side of the L-shaped bracket, thereby changing the spraying position and angle of the nozzle, so that the nozzle can spray on both sides of the vehicle body to form a dust removal water curtain, which effectively reduces the dust generated on both sides of the vehicle when the road sweeper is cleaning. In the above utility model, the disc motor is started to drive the winding drum to rotate, so that the traction rope is reeled into the winding drum, and at the same time, one end of the corrugated hose is lifted upward and close to the side of the L-shaped bracket, thereby changing the spraying position and angle of the nozzle, so that the nozzle can spray on both sides of the vehicle body to form a dust-removing water curtain, which effectively reduces the dust generated on both sides of the vehicle when the road sweeper is cleaning.

[0004] However, in the above scheme, the nozzle is installed on a corrugated hose. When the spraying position and angle of the nozzle are changed, the bending and deformation of the corrugated hose may easily lead to a reduction in the local cross-sectional area, thereby affecting the flow of the fluid, generating greater resistance and pressure loss, and increasing the spraying cost of the washing and sweeping vehicle. Utility Model Content

[0005] The utility model provides an adjustable angle nozzle for a road sweeper, which is used to solve the technical problem that when the spraying position and angle of the nozzle are changed, the bending and deformation of the corrugated hose of the road sweeper easily lead to a reduction in the local cross-sectional area, thereby affecting the flow of the fluid, generating greater resistance and pressure loss, and increasing the spraying cost of the road sweeper.

[0006] In order to solve the above technical problems, the utility model discloses an adjustable angle nozzle for a road sweeper, comprising: a driving motor, the driving motor is arranged on the lower surface of a mounting frame, the mounting frame is connected to the chassis through a connecting assembly, a screw is arranged at the output end of the driving motor, a slider is threadedly connected to the outer surface of the screw, a fixed disk is arranged at the lower end of the screw, the lower end of the screw is rotatably connected to the center of the fixed disk, a fixing rod is arranged between the fixed disk and the mounting frame, metal water outlet pipes are symmetrically arranged at the left and right ends of the fixed disk, one end of the metal water outlet pipe is hingedly connected to the side wall of the fixed disk, a connecting rod is arranged between the metal water outlet pipe and the slider, one end of the connecting rod is hingedly connected to the side wall of the slider, the other end of the connecting rod is hingedly connected to the upper surface of the metal water outlet pipe, a flow channel is arranged in the metal water outlet pipe, the upper side wall of the metal water outlet pipe is connected to one end of the water supply pipe, and a plurality of nozzles are arranged on the lower side wall of the metal water outlet pipe.

[0007] Preferably, the mounting frame is in a door shape, an opening is arranged at the upper end of the mounting frame, and the upper end of the driving motor is fixedly connected to the lower surface of the mounting frame.

[0008] Preferably, the fixing rod is arranged vertically and is parallel to the screw rod.

[0009] Preferably, four fixing rods are provided, and the four fixing rods are distributed at four corners of the fixing plate, one end of the fixing rod is connected to the upper surface of the fixing plate, and the other end of the fixing rod is connected to the lower surface of the mounting frame.

[0010] Preferably, the water outlet of the nozzle is arranged vertically downward.

[0011] Preferably, the plurality of nozzles are arranged at equal intervals along the axis of the metal water outlet pipe.

[0012] Preferably, both left and right ends of the metal water outlet pipe are configured as closed ends.

[0013] Preferably, the water delivery pipe is a tubular elastic hose.

[0014] Preferably, the connecting component includes fixed plates symmetrically arranged on the left and right sides of the mounting frame, the upper ends of the fixed plates are fixedly connected to the chassis, a rotating shaft is arranged in the mounting frame, the rotating shaft is perpendicular to the screw rod, the left and right ends of the rotating shaft respectively pass through the mounting frame and are rotatably connected to the fixed plates, and the rotating shaft is fixedly connected to the mounting frame at the penetration position.

[0015] Preferably, an electric push rod is horizontally arranged on the chassis, a rack is arranged at the output end of the electric push rod, the rack is perpendicular to the rotating shaft, a gear is arranged on the rotating shaft, and the lower surface of the rack is meshed with the gear.

[0016] The technical solution of the utility model has the following advantages: the utility model provides an adjustable angle nozzle for a road sweeper, which relates to the technical field of road cleaning equipment, including a driving motor, the driving motor is arranged on the lower surface of the mounting frame, a screw is arranged at the output end of the driving motor, a slider is threadedly connected to the outer surface of the screw, a fixed disk is arranged at the lower end of the screw, the lower end of the screw is rotatably connected to the center of the fixed disk, a fixed rod is arranged between the fixed disk and the mounting frame, metal water outlet pipes are symmetrically arranged at the left and right ends of the fixed disk, one end of the metal water outlet pipe is hingedly connected to the side wall of the fixed disk, a connecting rod is arranged between the metal water outlet pipe and the slider, the upper side wall of the metal water outlet pipe is connected to one end of the water delivery pipe, and the lower side wall of the metal water outlet pipe is connected to set a plurality of nozzles. In the utility model, the nozzle is arranged on the lower side wall of the metal water outlet pipe. When adjusting the spraying position and angle of the nozzle, the metal water outlet pipe is not easy to bend and deform, which reduces the resistance of the fluid, and the fluid flows stably in the metal water outlet pipe, which ensures the stable water pressure at the nozzle, improves the spraying quality, and reduces the spraying cost of the sweeper.

[0017] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the devices specifically pointed out in the written description and the drawings of the description.

[0018] The technical solution of the utility model is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 This is a schematic diagram of the overall structure of an adjustable angle nozzle for a road sweeper according to the utility model;

[0021] Figure 2 For this utility model Figure 1 A magnified view of the local structure at center A;

[0022] Figure 3 The utility model is a side view of an adjustable angle nozzle for a road sweeper.

[0023] In the figure: 1. driving motor; 2. mounting frame; 3. chassis; 4. screw; 5. slider; 6. fixing plate; 7. fixing rod; 8. metal water outlet pipe; 9. connecting rod; 10. water pipe; 11. nozzle; 12. fixing plate; 13. rotating shaft; 14. electric push rod; 15. rack; 16. gear. DETAILED DESCRIPTION

[0024] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0025] In addition, in the present utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions and technical features between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0026] Embodiment 1:

[0027] The utility model provides an adjustable angle nozzle for a road sweeper. Figure 1-Figure 3 As shown, it includes: a driving motor 1, which is arranged on the lower surface of a mounting frame 2, and the mounting frame 2 is connected to a chassis 3 through a connecting assembly. A screw 4 is arranged at the output end of the driving motor 1, and a slider 5 is threadedly connected to the outer surface of the screw 4. A fixed disk 6 is arranged at the lower end of the screw 4, and the lower end of the screw 4 is rotatably connected to the center of the fixed disk 6. A fixing rod 7 is arranged between the fixed disk 6 and the mounting frame 2, and metal water outlet pipes 8 are symmetrically arranged at the left and right ends of the fixed disk 6. One end of the metal water outlet pipe 8 is hingedly connected to the side wall of the fixed disk 6, a connecting rod 9 is arranged between the metal water outlet pipe 8 and the slider 5, one end of the connecting rod 9 is hingedly connected to the side wall of the slider 5, and the other end of the connecting rod 9 is hingedly connected to the upper surface of the metal water outlet pipe 8, a flow channel is arranged in the metal water outlet pipe 8, the upper side wall of the metal water outlet pipe 8 is connected to one end of a water pipe 10, and a plurality of nozzles 11 are arranged on the lower side wall of the metal water outlet pipe 8.

[0028] The working principle and beneficial effects of the above technical solution are as follows: the mounting frame 2 is installed under the chassis 3 of the washing and sweeping vehicle through a connecting component, a driving motor 1 is arranged on the lower surface of the mounting frame 2, the driving motor 1 can select an existing servo motor, a controller is arranged on the chassis 3, the controller is electrically connected to the driving motor 1, the controller selects an existing servo controller, the controller can control the forward and reverse rotation of the output end of the driving motor 1, the driving motor 1 rotates to drive the screw 4 to rotate, an external thread is arranged on the outer wall of the screw 4, a slider 5 is threadedly connected to the outer wall of the screw 4, when the screw 4 rotates forward, the slider 5 can move along the axial direction of the screw 4, when the slider 5 moves toward the driving motor 1, the slider 5 drives the metal water outlet pipe 8 to rotate toward the screw 4 through the connecting rod 9, and a plurality of nozzles 11 are arranged on the lower side wall of the metal water outlet pipe 8, at this time, the spraying position and angle of the nozzle 11 can be adjusted. The metal water outlet pipe 8 is connected with the water delivery pipe 10, the input end of the water delivery pipe 10 is connected with the water pump, the input end of the water pump is connected with the inside of the water tank, the water tank and the water pump are both arranged on the chassis 3 of the washing and sweeping vehicle, and the water pump can be started to draw water from the water tank, and the water flows into the metal water outlet pipe 8 through the water delivery pipe 10, flows in the flow channel of the metal water outlet pipe 8, and is distributed to a plurality of nozzles 11 connected with the metal water outlet pipe 8, and finally the high-pressure water flow is sprayed out through the nozzle 11, so as to spray the ground and remove the dust generated during the cleaning process of the washing and sweeping vehicle. During the spraying process, the slider 5 moves up and down along the screw 4, and can continuously adjust the spraying position and spraying angle of the nozzle 11, thereby increasing the spraying range and improving the dust reduction effect. Moreover, by adjusting the position of the nozzle 11, it is convenient for the road cleaning vehicle to spray on buildings such as curbs and low walls, thereby improving the applicable scope of the nozzle 11. In the utility model, the nozzle 11 is arranged on the lower side wall of the metal water outlet pipe 8. Preferably, the metal water outlet pipe 8 is made of stainless steel. When the spraying position and angle of the nozzle 11 are adjusted, the metal water outlet pipe 8 is not easy to bend and deform, and the inner wall of the metal water outlet pipe 8 is smooth, which reduces the resistance of the fluid. The fluid flows stably in the metal water outlet pipe 8, ensuring a stable water pressure at the nozzle 11, improving the spraying quality, reducing pressure loss, and reducing the spraying cost of the washing and sweeping vehicle.

[0029] Example 2

[0030] On the basis of the above-mentioned embodiment 1, Figure 1-Figure 3 As shown, the mounting frame 2 is in the shape of a door, an opening is arranged at the upper end of the mounting frame 2, and the upper end of the driving motor 1 is fixedly connected to the lower surface of the mounting frame 2;

[0031] The fixing rod 7 is arranged vertically, and the fixing rod 7 is parallel to the screw rod 4;

[0032] Four fixing rods 7 are provided, and the four fixing rods 7 are distributed at the four corners of the fixing plate 6, one end of the fixing rod 7 is connected to the upper surface of the fixing plate 6, and the other end of the fixing rod 7 is connected to the lower surface of the mounting frame 2;

[0033] The water outlet of the nozzle 11 is arranged vertically downward;

[0034] A plurality of nozzles 11 are arranged at equal intervals along the axis of the metal water outlet pipe 8;

[0035] Both left and right ends of the metal water outlet pipe 8 are set as closed ends;

[0036] The water delivery pipe 10 is a tubular elastic hose.

[0037] The working principle and beneficial effects of the above technical solution are as follows: the mounting frame 2 is in a gate-shaped structure, which can reduce the weight of the mounting frame 2 while providing an installation position for the drive motor 1, thereby saving costs. The mounting frame 2 is connected to the fixed plate 6 by a plurality of fixing rods 7. Preferably, the fixing rods 7 are provided in four numbers, and the four fixing rods 7 are distributed in a circular array about the center of the screw 4. The fixing plate 6 can be stably installed under the mounting frame 2 through the four fixing rods 7, thereby improving the rotation stability of the screw 4 and preventing the screw 4 from shaking. The output end of the nozzle 11 faces the ground, so that the high-pressure water flow can be accurately sprayed onto the ground being cleaned, thereby improving the dust removal effect. The left and right ends of the metal water outlet pipe 8 are both set as closed ends. A plurality of water outlets are arranged on the lower side wall of the metal water outlet, and a nozzle 11 is connected to the water outlet, so that the water flow in the metal water outlet pipe 8 is split and sprayed from different nozzles 11, thereby expanding the spraying range, thereby forming a water curtain, and effectively reducing the dust generated when the washing and sweeping vehicle cleans the ground. The water pipe 10 adopts a tubular elastic hose, and the water pipe 10 is connected to the upper side wall of the metal water outlet pipe 8 through a water pipe joint. When the angle of the metal water outlet pipe 8 changes, since the water pipe 10 is elastic and the water pipe 10 remains in a relaxed state, it will not affect the connection between the water pipe 10 and the metal water outlet pipe 8, thereby improving the stability of the connection between the water pipe 10 and the metal water outlet pipe 8, and ensuring that the water pipe 10 stably transports water to the metal water outlet pipe 8.

[0038] Example 3

[0039] On the basis of Example 1 or 2, Figure 1-Figure 3 As shown, the connection assembly includes a fixing plate 12 symmetrically arranged on the left and right sides of the mounting frame 2, the upper end of the fixing plate 12 is fixedly connected to the chassis 3, a rotating shaft 13 is arranged in the mounting frame 2, the rotating shaft 13 is perpendicular to the screw 4, the left and right ends of the rotating shaft 13 respectively penetrate the mounting frame 2 and are rotatably connected to the fixing plate 12, and the rotating shaft 13 is fixedly connected to the mounting frame 2 at the penetration position;

[0040] An electric push rod 14 is horizontally arranged on the chassis 3 , a rack 15 is arranged at the output end of the electric push rod 14 , the rack 15 is perpendicular to the rotating shaft 13 , a gear 16 is arranged on the rotating shaft 13 , and the lower surface of the rack 15 is meshed with the gear 16 .

[0041] The working principle and beneficial effects of the above technical solution are as follows: the mounting frame 2 is rotatably connected with the fixed plates 12 on both sides through the rotating shaft 13, and the fixed plates 12 are fixedly arranged on the lower surface of the chassis 3 of the washing and sweeping vehicle, thereby realizing the installation of the driving motor 1, and an electric push rod 14 is also arranged on the lower surface of the chassis 3, and the electric push rod 14 is electrically connected to the second controller, and the second controller adopts the existing electric push rod controller, and the output end of the electric push rod 14 can be controlled to extend or retract through the second controller, and when the output end of the electric push rod 14 is extended or retracted, the output end of the electric push rod 14 can drive the rack 15 to move, and when the rack 15 moves, it can drive the gear 16 to rotate, and the rotation of the gear 16 drives the rotating shaft 13 and the mounting frame 2 to move synchronously, so that the driving motor 1, the screw 4, the fixed plate 6, and the metal water outlet pipe 8 move synchronously, further changing the spraying position of the nozzle 11, facilitating the nozzle 11 to spray the corner position, further expanding the spraying range of the nozzle 11, making the spraying effect better, and enhancing the dust removal effect.

[0042] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0043] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] Although the implementation scheme of the utility model has been disclosed as above, it is not limited to the applications listed in the specification and implementation modes. It can be fully applied to various fields suitable for the utility model. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the utility model is not limited to the specific details and the illustrations shown and described herein.

Claims

1. An adjustable angle nozzle for a road sweeper, characterized in that: include: A drive motor (1) is provided on the lower surface of a mounting frame (2), the mounting frame (2) is connected to a chassis (3) through a connecting assembly, a screw rod (4) is provided at the output end of the drive motor (1), a slider (5) is threadedly connected to the outer surface of the screw rod (4), a fixing plate (6) is provided at the lower end of the screw rod (4), the lower end of the screw rod (4) is rotatably connected to the center of the fixing plate (6), a fixing rod (7) is provided between the fixing plate (6) and the mounting frame (2), and metal outputs are symmetrically provided at the left and right ends of the fixing plate (6). A water pipe (8), one end of the metal water outlet pipe (8) is hingedly connected to the side wall of the fixed plate (6), a connecting rod (9) is arranged between the metal water outlet pipe (8) and the slider (5), one end of the connecting rod (9) is hingedly connected to the side wall of the slider (5), the other end of the connecting rod (9) is hingedly connected to the upper surface of the metal water outlet pipe (8), a flow channel is arranged in the metal water outlet pipe (8), the upper side wall of the metal water outlet pipe (8) is connected to one end of the water delivery pipe (10), and the lower side wall of the metal water outlet pipe (8) is connected to a plurality of nozzles (11).

2. The adjustable angle nozzle for a road sweeper according to claim 1, characterized in that: The mounting frame (2) is in the shape of a door, an opening is arranged at the upper end of the mounting frame (2), and the upper end of the driving motor (1) is fixedly connected to the lower surface of the mounting frame (2).

3. The adjustable angle nozzle for a road sweeper according to claim 1, characterized in that: The fixing rod (7) is arranged vertically, and the fixing rod (7) is parallel to the screw rod (4).

4. The adjustable angle nozzle for a road sweeper according to claim 1, characterized in that: Four fixing rods (7) are provided, and the four fixing rods (7) are distributed at four corners of the fixing plate (6). One end of the fixing rod (7) is connected to the upper surface of the fixing plate (6), and the other end of the fixing rod (7) is connected to the lower surface of the mounting frame (2).

5. The adjustable angle nozzle for a road sweeper according to claim 1, characterized in that: The water outlet of the spray head (11) is arranged vertically downward.

6. The adjustable angle nozzle for a road sweeper according to claim 1, characterized in that: A plurality of spray heads (11) are arranged at equal intervals along the axis of the metal water outlet pipe (8).

7. The adjustable angle nozzle for a road sweeper according to claim 1, characterized in that: The left and right ends of the metal water outlet pipe (8) are both arranged as closed ends.

8. The adjustable angle nozzle for a road sweeper according to claim 1, characterized in that: The water delivery pipe (10) is a tubular elastic hose.

9. The adjustable angle nozzle for a road sweeper according to claim 1, characterized in that: The connection assembly comprises fixed plates (12) symmetrically arranged on the left and right sides of the mounting frame (2), the upper end of the fixed plate (12) is fixedly connected to the chassis (3), a rotating shaft (13) is arranged inside the mounting frame (2), the rotating shaft (13) is perpendicular to the screw rod (4), the left and right ends of the rotating shaft (13) respectively penetrate the mounting frame (2) and are rotatably connected to the fixed plate (12), and the rotating shaft (13) is fixedly connected to the mounting frame (2) at the penetration position.

10. The adjustable angle nozzle for a road sweeper according to claim 9, characterized in that: An electric push rod (14) is horizontally arranged on the chassis (3), a rack (15) is arranged at the output end of the electric push rod (14), the rack (15) is perpendicular to the rotating shaft (13), a gear (16) is arranged on the rotating shaft (13), and the lower surface of the rack (15) is meshed with the gear (16).

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