Pressure-adjustable spray gun for road maintenance watering cart

Abstract

The utility model relates to the field of road maintenance, in particular to a pressure-adjustable spray gun for a road maintenance watering cart, which comprises a water receiving pipe, the upper end of the water receiving pipe is communicated with a flow control cavity, and the left end of the flow control cavity is fixedly communicated with a water injection nozzle; the right end of the flow control cavity fixedly communicates with a sealing opening, a water pressure adjusting structure is sleeved with the sealing opening and comprises a telescopic plug, and a plurality of sealing sleeves are fixedly connected to the middle and the rear portion of the outer side of the telescopic plug. The water spraying vehicle has the advantages that by arranging the water pressure adjusting structure, when the water spraying vehicle sprays water to clean a road and meets road surfaces with different conditions, the water pressure of the spray gun can be adjusted by adjusting the flow of the outlet of the spray gun so as to adapt to different road surface conditions, and the road maintenance efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of highway maintenance, in particular to an adjustable pressure spray gun for a highway maintenance sprinkler vehicle. Background Art

[0002] Highway maintenance is the care and maintenance of highways. Maintenance focuses on the whole process of maintenance from the completion of construction and opening to traffic, and focuses on repairing damaged parts. Highway maintenance includes sprinkler trucks. Sprinkler trucks are a special vehicle widely used in various scenarios. Their main functions include road washing, dust suppression, greening watering, pesticide spraying, guardrail washing, etc.

[0003] The spray gun of a traditional sprinkler truck is usually not easy to adjust the water spray pressure, making it difficult to make corresponding adjustments efficiently when maintaining road surfaces under different conditions, affecting the efficiency of highway maintenance. To this end, the utility model proposes an adjustable pressure spray gun for a highway maintenance sprinkler truck to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide an adjustable pressure spray gun for a highway maintenance sprinkler truck to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an adjustable pressure spray gun for a highway maintenance sprinkler truck, comprising a water connecting pipe, the upper end of the water connecting pipe is connected to a flow control chamber, the left end of the flow control chamber is fixedly connected to a water spray port; the right end of the flow control chamber is fixedly connected to a sealing port, the sealing port is provided with a water pressure regulating structure, the water pressure regulating structure includes a telescopic plug, and a plurality of sealing sleeves are fixedly connected to the middle and rear parts of the outer side of the telescopic plug.

[0006] Preferably, the rear end surface of the flow control chamber is fixedly connected to two guide rods, and the ends of the guide rods are fixedly connected to a limiting connecting frame.

[0007] Preferably, the upper end of the rear end of the telescopic plug is fixedly connected to a support platform, the inner end surface of the support platform is fixedly connected to a support rod, the end surface of the support rod is fixedly connected to a pulling frame, and the lower end surface of the pulling frame is fixedly connected to a guide sleeve on both sides, and a guide rod is provided inside the guide sleeve.

[0008] Preferably, a stabilizing frame is symmetrically fixedly connected to the inner side of the flow control cavity, and the lower end of the stabilizing frame is a right angle.

[0009] Preferably, stabilizing grooves are provided on both sides of the front end of the telescopic plug, and the stabilizing grooves are plugged into the outside of the stabilizing frame.

[0010] Preferably, a flow control groove is provided on the inner side of the water receiving pipe at the connection with the flow control cavity.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] The utility model is provided with a water pressure regulating structure, so that when a sprinkler truck encounters road conditions of different conditions when spraying water on a highway, the outlet flow of the spray gun can be adjusted to adjust the water pressure of the spray gun, so as to adapt to different road conditions and improve the efficiency of highway maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the internal connections of the utility model;

[0015] Figure 3 This is a schematic diagram of the internal structure of part of the utility model;

[0016] Figure 4 It is a partial structural diagram of the utility model.

[0017] In the figure: 1 water connecting pipe, 2 flow control chamber, 3 water spray port, 4 sealing port, 5 guide rod, 6 telescopic plug, 7 pulling frame, 8 sealing sleeve, 9 stabilizing groove, 10 limit connecting frame, 11 stabilizing frame, 12 flow control groove, 13 support rod, 14 guide sleeve. DETAILED DESCRIPTION

[0018] In order to clearly and completely describe the purpose and technical solution of the present invention and make its advantages more clearly understood, the following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention and are not intended to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] In the description of the present invention, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like, indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended only to facilitate the description of the present invention and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting the present invention. Furthermore, the terms "one," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0020] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0021] For the purpose of simplicity and illustration, the principles of the embodiments are described primarily with reference to examples. In the following description, many specific details are provided to provide a thorough understanding of the embodiments. However, it will be apparent to those skilled in the art that these embodiments may not be limited to these specific details in practice. In some instances, well-known methods and structures are not described in detail to avoid unnecessarily obscuring the understanding of these embodiments. In addition, all embodiments may be used in combination with each other.

[0022] See also Figures 1 to 4 The utility model provides a technical solution: an adjustable pressure spray gun for a highway maintenance sprinkler truck, comprising a water connecting pipe 1, the upper end of the water connecting pipe 1 is connected to a flow control chamber 2, the left end of the flow control chamber 2 is fixedly connected to a water spray port 3; the right end of the flow control chamber 2 is fixedly connected to a sealing port 4, the sealing port 4 is provided with a water pressure regulating structure, the water pressure regulating structure comprises a telescopic plug 6, the middle and rear parts of the outer side of the telescopic plug 6 are fixedly connected to a plurality of sealing sleeves 8, the water connecting pipe 1 can be connected to a water pump to provide a water source, and the water flows through the flow control chamber 2 and is sprayed from the water spray port 3.

[0023] Two guide rods 5 are fixedly connected to the rear end face of the flow control chamber 2, and the ends of the guide rods 5 are fixedly connected to the limited connecting frame 10. The upper end of the rear end of the telescopic plug 6 is fixedly connected to a support platform, and the inner end face of the support platform is fixedly connected to a support rod 13. The end face of the support rod 13 is fixedly connected to a pulling frame 7. The two sides of the lower end face of the pulling frame 7 are fixedly connected to a guide sleeve 14. The guide sleeve 14 is provided with a guide rod 5. The pulling frame 7 can be transmitted along the guide rod 5 and drive the telescopic plug 6 to extend and retract through the support rod 13. At the same time, due to the provision of the sealing sleeve 8, the telescopic plug 6 can maintain a relatively good sealing state in the sealing port 4.

[0024] A stabilizing frame 11 is symmetrically fixedly connected to the inside of the flow control chamber 2, and the lower end of the stabilizing frame 11 is at a right angle. Stabilizing grooves 9 are provided on both sides of the front end of the telescopic plug 6. The stabilizing grooves 9 are plugged into the outside of the stabilizing frame 11, and a flow control groove 12 is provided on the inside of the connection between the water pipe 1 and the flow control chamber 2. The stabilizing frame 11 can make the telescopic plug 6 stably retractable. At the same time, the flow control groove 12 can change the flow pipe diameter when the telescopic plug 6 is retracted and extended, so as to change the discharge pressure.

[0025] In actual use, the water pipe 1 is connected to the water pump to provide a water source. The water flows through the flow control chamber 2 and is sprayed out from the water outlet 3. The pulling frame 7 is adjusted to drive the telescopic plug 6 to extend and retract through the support rod 13. The flow control groove 12 can change the flow pipe diameter when the telescopic plug 6 is extended and retracted to change the spraying pressure. The stabilizing frame 11 can make the telescopic plug 6 stably extend and retract.

[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable pressure spray gun for a highway maintenance sprinkler truck, characterized by: include A water receiving pipe (1), wherein the upper end of the water receiving pipe (1) is connected to a flow control chamber (2), and the left end of the flow control chamber (2) is fixedly connected to a water spout (3); The right end of the flow control chamber (2) is fixedly connected to a sealing port (4), and a water pressure regulating structure is provided inside the sealing port (4). The water pressure regulating structure includes a telescopic plug (6), and a plurality of sealing sleeves (8) are fixedly connected to the middle and rear parts of the outer side of the telescopic plug (6).

2. The adjustable pressure spray gun for a road maintenance sprinkler truck according to claim 1, characterized in that: Two guide rods (5) are fixedly connected to the rear end surface of the flow control chamber (2), and the ends of the guide rods (5) are fixedly connected to a limiting connection frame (10).

3. The adjustable pressure spray gun for a road maintenance sprinkler truck according to claim 1, characterized in that: The upper end of the rear end of the telescopic plug (6) is fixedly connected to a support platform, the inner end surface of the support platform is fixedly connected to a support rod (13), the end surface of the support rod (13) is fixedly connected to a pulling frame (7), and the two sides of the lower end surface of the pulling frame (7) are fixedly connected to guide sleeves (14), and the guide sleeves (14) are provided with guide rods (5) inside.

4. The adjustable pressure spray gun for a road maintenance sprinkler truck according to claim 1, characterized in that: A stabilizing frame (11) is symmetrically fixedly connected to the inner side of the flow control chamber (2), and the lower end of the stabilizing frame (11) is at a right angle.

5. The adjustable pressure spray gun for a road maintenance sprinkler truck according to claim 1, characterized in that: Both sides of the front end of the telescopic plug (6) are provided with stabilizing grooves (9), and the stabilizing grooves (9) are plugged into the outside of the stabilizing frame (11).

6. The adjustable pressure spray gun for a road maintenance sprinkler truck according to claim 1, characterized in that: The water receiving pipe (1) is provided with a flow control groove (12) on the inner side of the connection point with the flow control chamber (2).

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