High-pressure spraying rod for cleaning sound insulation screen wall in environmental sanitation operation

Abstract

The utility model relates to the technical field of sanitation tools, in particular to a high-pressure spraying rod for cleaning a sound insulation screen wall in sanitation operation, which comprises a rod body, a nozzle, a limiting support lug and a limiting piece, and the rod body is provided with a mounting hole and a limiting groove for mounting the nozzle; the limiting support lug is aligned with the notch, the nozzle is pushed to enable the limiting support lug to penetrate through the notch to abut against the groove wall of the limiting groove, and due to the fact that the width of the limiting support lug is matched with the groove width of the limiting groove, when the limiting support lug and the notch are staggered, axial movement of the nozzle can be limited through matching of the limiting support lug and the limiting groove; and finally, the limiting piece is shifted to limit circumferential rotation of the nozzle, so that the nozzle is subjected to double limiting, the mounting stability of the nozzle is further guaranteed, the use requirement in the high-pressure environment is met, compared with sleeve connection in the prior art, the mounting process is simpler and more convenient, looseness is not likely to happen, and whether the nozzle is mounted in place or not can be known more easily and clearly.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of environmental sanitation tools, and specifically relates to a high-pressure spray rod for cleaning soundproof screen wall in environmental sanitation operation. BACKGROUND

[0002] In the process of cleaning the soundproof screen wall through the high-pressure spray rod on the environmental sanitation vehicle, the nozzle may collide with the wall or other obstacles when cleaning the wall, causing damage to the nozzle. The surface of the soundproof screen wall may have dust, soil, small stones or corrosive pollutants and other impurities. These impurities may rebound or splash under the action of high-pressure water flow, causing blockage or wear in the nozzle.

[0003] In the prior art, the nozzle on the high-pressure spray rod is usually connected to the rod body in a sleeve connection manner for easy installation or replacement. The nozzle is inserted into the rod body, and the sleeve covering the inserted part of the nozzle is screwed by hand or a special tool (such as a wrench) until the sleeve tightly presses the nozzle.

[0004] However, if the sleeve is not tightly screwed, or the nozzle is not aligned with the rod body during installation, the sleeve cannot tightly press the nozzle, and the nozzle may loosen during use, affecting the normal and effective cleaning work. SUMMARY

[0005] Therefore, the purpose of the utility model is to provide a high-pressure spray rod for cleaning soundproof screen wall in environmental sanitation operation to solve the technical problem that the nozzle cannot be quickly and firmly installed on the spray rod when using the detachable connection method in the prior art, and the nozzle may loosen during use, affecting the cleaning work.

[0006] The utility model achieves the following technical solutions:

[0007] A high-pressure spray rod for cleaning soundproof screen wall in environmental sanitation operation includes an internally hollow rod body. An installation hole is formed on the surface of the rod body and communicates with the interior of the rod body. The middle inner wall of the installation hole is deepened outward along the radial direction to form an annular limiting groove. A notch is formed on the surface of the rod body and communicates with the limiting groove.

[0008] A nozzle is inserted into the installation hole. A limiting lug is fixed to the outer surface of the nozzle. When the limiting lug is rotated into the limiting groove under the action of an external force through the notch, the axial movement of the nozzle is limited. A limiting member is arranged on the rod body to limit the circumferential rotation of the nozzle.

[0009] Further, the limiting lug has an internal cavity, and the opening of the internal cavity faces the installation direction of the nozzle.

[0010] The opening of the inner cavity is fixed with a sealing plate, and the outward surface of the sealing plate is provided with a receiving groove, and a gasket with the same shape as the receiving groove is installed in the receiving groove;

[0011] A through hole is formed in the bottom wall of the receiving groove and communicates with the inner cavity, and an elastic pushing mechanism is installed in the inner cavity and connected with the gasket through the through hole; in the natural state, the gasket is always kept extending out of the receiving groove under the action of the elastic pushing mechanism.

[0012] Further, the elastic pushing mechanism comprises a sliding rod penetrating through the through hole, and a protrusion is fixed on the outer surface of the sliding rod, and a spring is installed between the protrusion and the bottom wall of the inner cavity.

[0013] Further, a clamping groove is formed in the outer surface of the nozzle along the axial direction, the limiting piece is a clamping block, the clamping block is hinged with the rod body, and rotating the clamping block can close the gap, and when the clamping block is clamped into the clamping groove, the circumferential rotation of the nozzle can be limited.

[0014] Further, a buckle groove with an L-shaped cross section is formed in the outward surface of the clamping block.

[0015] Further, a positioning block is fixed on the outer surface of the nozzle, and the position of the positioning block corresponds to the position of the limiting lug.

[0016] Further, the outer diameter of the nozzle matches the diameter of the mounting hole.

[0017] Further, the width of the limiting lug matches the groove width of the limiting groove.

[0018] The beneficial effects of the utility model lie in:

[0019] 1, the limiting lug is aligned with the gap, and the nozzle is pushed so that the limiting lug passes through the gap and abuts against the groove wall of the limiting groove, because the width of the limiting lug matches the groove width of the limiting groove, when the limiting lug is staggered with the gap, the axial movement of the nozzle can be limited through the cooperation of the limiting lug and the limiting groove, and under the action of the elastic pushing mechanism, the gasket is pushed to abut against the limiting groove, the rough side of the gasket outward can further limit the movement of the limiting lug, ensure the stability of the nozzle installation, and realize the rapid and stable installation of the nozzle.

[0020] 2、When the nozzle is completed installation, the clamping block can be pulled to rotate to cover the gap, to avoid dust and other impurities from entering the limiting groove to affect the subsequent nozzle disassembly work, and when the clamping block covers the gap, the head is clamped into the clamping groove to limit the circumferential rotation of the nozzle, so that the nozzle is double-limited, further guaranteeing the stability of the nozzle installation, to meet the use requirement in high pressure environment, compared with the sleeve connection in the prior art, the installation process is more simple and convenient, is not easy to loosen, and it is easier to clearly know whether the nozzle is installed in place. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structure schematic view of the high-pressure spray rod for cleaning the soundproof screen wall body in the sanitation operation.

[0022] Figure 2 It is a connection schematic view of the nozzle and the rod body of the high-pressure spray rod for cleaning the soundproof screen wall body in the sanitation operation.

[0023] Figure 3 It is an exploded view of the nozzle and the rod body of the high-pressure spray rod for cleaning the soundproof screen wall body in the sanitation operation.

[0024] Figure 4 It is a connection schematic view of the limiting lug and the sealing plate of the high-pressure spray rod for cleaning the soundproof screen wall body in the sanitation operation.

[0025] Figure 5 It is a connection schematic view of the limiting lug and the elastic pushing mechanism of the high-pressure spray rod for cleaning the soundproof screen wall body in the sanitation operation.

[0026] In the figure: 1-rod body, 11-installation hole, 12-limiting groove, 13-gap, 14-clamping groove, 2-nozzle;

[0027] 3-limiting lug, 31-internal cavity, 32-sealing plate, 33-receiving groove, 34-gasket, 35-through hole, 36-elastic pushing mechanism, 361-sliding rod, 362-protruding block, 363-spring;

[0028] 4-clamping block, 41-docking groove, 5-positioning block. DETAILED DESCRIPTION

[0029] The typical embodiments embodying the features and advantages of the present application will be described in detail in the following description. It should be understood that the present application can have various changes on different embodiments, which all do not deviate from the scope of the present application, and the description and drawings in essence are used as illustration, rather than to limit the present application.

[0030] In the description of the present application, the terms "upper", "lower" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the structure referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0031] Please refer to Figures 1 to 3 The utility model provides a technical scheme: a sanitation operation cleaning soundproof screen wall high pressure spray rod, this high pressure spray rod is installed on sanitation car, including the hollow pole body 1, along the pole body 1 length direction, the surface of the pole body 1 is spaced apart and is provided with a plurality of installation hole 11 that communicates with the inside of the pole body 1 respectively, the middle part inner wall of installation hole 11 is formed annular limit slot 12 along its radial direction and is deepened to the outside, the diameter of limit slot 12 is greater than the diameter of installation hole 11, the surface of the pole body 1 near installation hole 11 is provided with the notch 13 that communicates with limit slot 12;

[0032] The spray nozzle 2 is inserted in each installation hole 11, the spray nozzle 2 is used to spray water flowing in the pole body 1 to the outside to realize the cleaning of object, the outer diameter of the spray nozzle 2 is matched with the diameter of the installation hole 11, the outer surface of the spray nozzle 2 is fixedly provided with the limit lug 3, the limit lug 3 passes through the notch 13 and is rotated into the limit slot 12 under the action of external force, can limit the axial movement of the spray nozzle 2, the width of the limit lug 3 is matched with the slot width of the limit slot 12.

[0033] Please refer to Figure 4 And Figure 5 The inside of the limit lug 3 has the inner cavity 31, the opening of the inner cavity 31 faces the installation direction of the spray nozzle 2, the opening of the inner cavity 31 is fixedly provided with the sealing plate 32, the sealing plate 32 can close the opening of the inner cavity 31, the outward surface of the sealing plate 32 is provided with the receiving groove 33, the gasket 34 that is matched with the receiving groove 33 in shape is installed in the receiving groove 33, the outer surface of the gasket 34 is rough, can increase the friction between the limit lug 3 and the inner wall of the limit slot 12, to limit the movement of the limit lug 3;

[0034] The bottom wall of the receiving groove 33 is provided with the through hole 35 that communicates with the inner cavity 31, the elastic pushing mechanism 36 is installed in the inner cavity 31, the elastic pushing mechanism 36 passes through the through hole 35 and is connected with the gasket 34, in the natural state, the gasket 34 always keeps protruding from the receiving groove 33 under the action of the elastic pushing mechanism 36;

[0035] The elastic pushing mechanism 36 comprises a slide rod 361 penetrating through the through hole 35, the outer surface of the slide rod 361 is fixed with a protruding block 362, a spring 363 is arranged between the protruding block 362 and the bottom wall of the inner cavity 31, the spring 363 is in an initial state of elongation, and the spring 363 acts on the protruding block 362 under the action force generated by deformation, and then pushes the slide rod 361 to push out the gasket 34 from the receiving groove 33.

[0036] Please refer to Figure 2 and Figure 3 , the rod body 1 is provided with a limiting piece for limiting the circumferential rotation of the nozzle 2, the outer surface of the nozzle 2 is provided with a clamping groove 14 along the axial direction, the limiting piece is a clamping block 4, the clamping block 4 is T-shaped as a whole, the clamping block 4 is hinged to the rod body 1, rotating the clamping block 4 can close the gap 13, and when the head of the clamping block 4 is clamped into the clamping groove 14, the circumferential rotation of the nozzle 2 can be limited, so that the nozzle 2 is stably installed on the rod body 1.

[0037] Please refer to Figure 2 , the outward surface of the clamping block 4 is provided with a buckle groove 41 with an L-shaped cross section, the buckle groove 41 is beneficial to pry the clamping block 4 by using a tool such as a chisel, open the gap 13, the installation hinge of the clamping block 4 has a large frictional resistance and is not easy to rotate, thereby ensuring that the clamping block 4 continuously acts on the nozzle 2 to limit the circumferential rotation of the nozzle 2.

[0038] Please refer to Figure 2 and Figure 3 , the outer surface of the nozzle 2 is fixedly connected with a positioning block 5, the position of the positioning block 5 corresponds to the position of the limiting lug 3, the positioning block 5 is beneficial to know the position of the limiting lug 3 in the limiting groove 12, and the positioning block 5 is beneficial to rotate the nozzle 2 for installation or disassembly work.

[0039] The working principle of the utility model is: when the nozzle 2 is installed on the rod body 1, first, the limiting lug 3 is aligned with the gap 13, and the nozzle 2 is pushed so that the limiting lug 3 penetrates through the gap 13 and abuts against the groove wall of the limiting groove 12, specifically, since the gasket 34 is stretched out of the limiting lug 3 under the action of the elastic pushing mechanism 36, when the limiting lug 3 enters the limiting groove 12, the gasket 34 is pressed and stored in the receiving groove 33, at this time, the spring 363 is in a compressed state;

[0040] Subsequently, the nozzle 2 is rotated, and since the width of the limiting lug 3 matches the slot width of the limiting slot 12, when the limiting lug 3 is misaligned with the notch 13, the limiting lug 3 and the limiting slot 12 can limit the axial movement of the nozzle 2, and since the spring 363 is compressed, the spring 363 generates an outward pushing force to abut the gasket 34 and the limiting slot 12, and the rough outer side of the gasket 34 can further limit the movement of the limiting lug 3, ensuring the stability of the installation of the nozzle 2, and realizing the quick and stable installation of the nozzle 2.

[0041] When the nozzle 2 is installed, the clamping block 4 can be actuated to rotate to cover the notch 13, avoiding dust and other impurities from entering the limiting slot 12 and affecting the subsequent disassembly of the nozzle 2, and when the clamping block 4 covers the notch 13, the head is clamped into the clamping slot 14 to limit the circumferential rotation of the nozzle 2, further ensuring the stability of the installation of the nozzle 2, and the clamping block 4 can only be opened when an outward force is applied to the notch 13, and then the nozzle 2 can be rotated for disassembly, so that the nozzle 2 is double-limited (axial limitation of the limiting lug 3 and the limiting slot 12, and circumferential limitation of the clamping block 4 on the nozzle 2) during daily use, so that the nozzle 2 can be stably installed in the rod body 1 to meet the use requirements in a high-pressure environment.

[0042] Compared with the sleeve connection in the prior art, the nozzle 2 of the utility model only needs to be inserted into the limiting slot 12 through the notch 13, then the limiting lug 3 is rotated to misalign with the notch 13, and finally the clamping block 4 is actuated to limit the circumferential rotation of the nozzle 2, so that the installation process is simpler and more convenient, and the nozzle is not easy to loosen, and it is easier to know whether the nozzle is installed in place.

[0043] Finally, it should be pointed out that the above-mentioned embodiments are only preferred embodiments of the utility model, and cannot be used to limit the scope of protection of the utility model, and any non-substantial changes and replacements made by those skilled in the art on the basis of the utility model all belong to the scope of protection claimed by the utility model.

Claims

1. A high-pressure spray pole for cleaning soundproof walls in sanitary work, comprising a hollow pole body (1), characterized in that: The surface of the rod body (1) is provided with a mounting hole (11) in communication with the inside of the rod body (1), the middle inner wall of the mounting hole (11) is deepened outward along the radial direction to form an annular limiting groove (12), and the surface of the rod body (1) is provided with a notch (13) in communication with the limiting groove (12). A nozzle (2) is inserted into the mounting hole (11), the outer surface of the nozzle (2) is fixedly provided with a limiting lug (3), the limiting lug (3) passes through the notch (13) and is screwed into the limiting groove (12) under the action of an external force, so that the axial movement of the nozzle (2) is limited, and the rod body (1) is provided with a limiting piece for limiting the circumferential rotation of the nozzle (2).

2. A high pressure wash boom for a sound barrier for use in a street cleaning operation according to claim 1, characterised in that: The inside of the limiting lug (3) has an inner cavity (31), and the opening of the inner cavity (31) faces the mounting direction of the nozzle (2); The opening of the inner cavity (31) is fixedly provided with an enclosing plate (32), the outward surface of the enclosing plate (32) is provided with a receiving groove (33), and the receiving groove (33) is provided with a gasket (34) with an outer shape matching the receiving groove (33); The bottom wall of the receiving groove (33) is provided with a through hole (35) in communication with the inner cavity (31), and the inner cavity (31) is provided with an elastic pushing mechanism (36), the elastic pushing mechanism (36) passes through the through hole (35) and is connected with the gasket (34), and in a natural state, the gasket (34) is always kept protruding out of the receiving groove (33) under the action of the elastic pushing mechanism (36).

3. A high pressure wash boom for a sound barrier wall for a sanitation operation according to claim 2, characterized in that: The elastic pushing mechanism (36) comprises a sliding rod (361) penetrating through the through hole (35), the outer surface of the sliding rod (361) is fixedly provided with a protruding block (362), and the protruding block (362) and the bottom wall of the inner cavity (31) are provided with a spring (363).

4. A high pressure wash boom for a sound barrier wall for use in a street cleaning operation according to claim 1 or 3, characterised in that: The outer surface of the nozzle (2) is provided with a clamping groove (14) along the axial direction, the limiting piece is a clamping block (4), the clamping block (4) is hinged to the rod body (1), the clamping block (4) can be rotated to close the notch (13), and when the clamping block (4) is clamped into the clamping groove (14), the circumferential rotation of the nozzle (2) is limited.

5. The high pressure spray boom for sanitary service cleaning sound barrier walls according to claim 4, characterized in that: The outward surface of the clamping block (4) is provided with a buckle groove (41) with an L-shaped cross section.

6. The soundproof screen wall body cleaning high-pressure spray boom for sanitary work according to claim 1, characterized in that: The outer surface of the nozzle (2) is fixedly provided with a positioning block (5), and the position of the positioning block (5) corresponds to the position of the limiting lug (3).

7. The soundproof screen wall body cleaning high-pressure spray boom for sanitary work according to claim 1, characterized in that: The outer diameter of the nozzle (2) matches the diameter of the mounting hole (11).

8. The soundproof wall body high-pressure spray boom for a sanitary work cleaning soundproof wall according to claim 1, characterized by: The width of the limiting lug (3) matches the groove width of the limiting groove (12).

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