Duckbilled nozzle

Abstract

The utility model discloses a duckbilled spray head which comprises a spray head body, the spray head body comprises a duckbilled cavity and a water outlet, a connecting piece rotationally connected with the spray head body is arranged on the opposite side of the water outlet, and the side, away from the spray head body, of the connecting piece is connected with a connecting flange. The nozzle main body comprises a top cover and a bottom cover detachably connected with the top cover; the bottom cover comprises a plurality of layers of gaskets arranged along the thickness direction of the bottom cover, and the plurality of layers of gaskets are detachably connected with the top cover through fasteners; and a gap is formed between the gasket on the uppermost layer and the front edge of the top cover, so that the water outlet is formed. The size of the nozzle water outlet can be conveniently adjusted.

Description

Technical Field

[0001] The utility model relates to a duckbill spray head, in particular to a water spraying duckbill used in a sanitation cleaning vehicle. Background Art

[0002] Existing water-spraying duckbills generally adopt a simple one-piece structure or a structure composed of a simple combination of an upper nozzle body and a lower nozzle body. Regardless of the structure of the product, the water outlet will be worn after a certain period of use, resulting in a decrease in water outlet pressure and unsatisfactory vehicle cleaning effect. A new water-spraying duckbill needs to be replaced, increasing operating costs.

[0003] like Figure 1 As shown, the integrated water-spraying duckbill 9 of the prior art is connected to the low-pressure water circuit of the cleaning vehicle through a flange, and the clean water in the water circuit is introduced into the duckbill cavity 11, and water with a certain water pressure is sprayed out through the water outlet 12 to complete the cleaning function. As the water spraying operation time continues to increase, the water with a certain pressure will wear the water outlet 12, making the size of the water outlet 12 larger, the water outlet pressure smaller, and the cleaning effect unsatisfactory. At this time, the nozzle needs to be replaced regularly. The disadvantages of the prior art are: the water-spraying duckbill is directly connected to the water pipe, and the water spraying angle cannot be adjusted; the water outlet is easily worn and the water pressure is reduced, resulting in poor operation results; new water-spraying duckbill needs to be replaced regularly, increasing operating costs. Utility Model Content

[0004] The utility model aims to solve the above technical problems and provides a duckbill nozzle which is convenient for adjusting the size of the nozzle water outlet.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A duckbill sprinkler comprises a sprinkler body, the sprinkler body comprising a duckbill cavity, a water outlet, a connecting piece rotatably connected to the sprinkler body, a connecting flange being connected to a side of the connecting piece away from the sprinkler body, the sprinkler body comprising a top cover and a bottom cover detachably connected to the top cover by fixing bolts, the duckbill cavity being formed between the top cover and the bottom cover; the bottom cover comprises several layers of gaskets arranged along the thickness direction of the bottom cover, the several layers of gaskets being detachably connected to the top cover by fasteners; a gap is provided between the topmost gasket and the edge of the top cover to form the water outlet.

[0007] Therefore, by designing the bottom cover as a multi-layer gasket, when the water outlet size is worn to a certain extent, resulting in a decrease in the water outlet pressure, there is no need to replace the entire nozzle main body assembly. Instead, only the gasket on the upper surface of the top layer that is worn by water erosion needs to be replaced, and the tightness of the bottom cover gasket and the top cover can be adjusted through fasteners.

[0008] According to the embodiments of the present invention, the present invention can be further optimized. The following is the technical solution formed after optimization:

[0009] In order to facilitate installation and enhance the overall strength of the bottom cover, in a specific embodiment, the bottom cover includes a bottom plate, and a plurality of layers of gaskets are provided on a side of the bottom plate facing the top cover; the thickness of the bottom plate is greater than the thickness of the gasket.

[0010] In a specific embodiment, the bottom plate is provided with a plurality of first through holes, and the gasket is provided with second through holes corresponding to the first through holes; fixing bolts are passed through the first through holes and the second through holes, and the fixing bolts are threadedly connected to the top cover.

[0011] When the top gasket is worn too much, loosen the fixing bolts, remove the top gasket that is worn too much, expose the new gasket, then reinstall the bottom cover on the top cover and tighten the fixing bolts to maintain the size of the water outlet.

[0012] In a specific embodiment, the connecting member includes a universal ball joint threadedly connected to the nozzle body, and the interior of the universal ball joint is provided with a connecting cavity communicated with the duckbill cavity.

[0013] In a specific embodiment, the connecting flange is hingedly connected to the outer side of the universal ball joint, and the connecting flange includes a first flange and a second flange connected and fixed by flange fastening bolts.

[0014] Therefore, the nozzle body can not only adjust the elevation height of the nozzle body at various angles through the universal ball valve, but also fix the elevation height of the nozzle body after fixing the flange fastening bolts, and then adjust the rotation angle of the nozzle body relative to the ground plane in the circumferential direction of the universal ball valve, thereby realizing all-round adjustment.

[0015] In a specific embodiment, a sealing gasket in contact with the bottom cover is disposed on the lower surface of the top cover.

[0016] In a specific embodiment, the front end of the bottom cover extends to the outside of the front end of the top cover.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The bottom cover of the duckbill nozzle of the utility model adopts a laminated process structure. When the duckbill nozzle is subjected to the scouring force of water for a long time, the size of the water outlet will become larger after wear, and the water outlet pressure will become smaller. The duckbill nozzle of the utility model only needs to remove and replace the worn gasket in the bottom cover, and then fasten the bottom cover and the top cover with bolts to meet the use requirements, thereby extending the service life of the water-spraying duckbill and reducing the operating cost. The service life of the integrated water-spraying duckbill is generally about 6 months, while the service life of the duckbill nozzle of the utility model is about 3-5 years.

[0019] 2) The duckbill nozzle universal ball valve of the utility model effectively solves the technical problems of installation, angle adjustment and rapid replacement of the water-spraying duckbill, and in particular has the function of secondary angle adjustment; not only can the elevation height of the nozzle body be adjusted at various angles through the universal ball valve, but also after fixing the flange fastening bolts, the elevation height of the nozzle body can be fixed, and then the rotation angle of the nozzle body relative to the ground plane can be adjusted in the circumferential direction of the universal ball valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the prior art structure;

[0021] Figure 2 It is a schematic diagram of the structure of the utility model;

[0022] Figure 3 It is the front view of the utility model;

[0023] Figure 4 It is a front sectional view of the utility model;

[0024] Figure 5 This is an exploded view of the bottom cover of the utility model.

[0025] In the figure

[0026] 1- nozzle body; 11- duckbill cavity; 12- water outlet; 13- top cover; 14- bottom cover; 141- gasket; 142- bottom plate; 2- connecting piece; 21- universal ball joint; 211- connecting cavity; 3- connecting flange; 31- first flange; 32- second flange; 4- first through hole; 5- second through hole; 6- fixing bolt; 7- flange fastening bolt; 8- sealing gasket; 9- integrated water spray duckbill. DETAILED DESCRIPTION

[0027] The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict. For the convenience of description, if the words "upper", "lower", "left" and "right" appear in the following text, they only indicate that the upper, lower, left and right directions are consistent with the drawings themselves, and do not limit the structure.

[0028] like Figure 2-Figure 5 As shown, a duckbill nozzle of this embodiment includes a nozzle body 1, the nozzle body 1 includes a duckbill cavity 11, a water outlet 12, a connecting member 2 rotatably connected to the nozzle body 1, and a connecting flange 3 is connected to the connecting member 2 away from the nozzle body 1. It is characterized in that: the nozzle body 1 includes a top cover 13 and a bottom cover 14 detachably connected to the top cover 13 by fixing bolts 6, and the duckbill cavity 11 is formed between the top cover 13 and the bottom cover 14; the bottom cover 14 includes a bottom plate 142 , the bottom plate 142 is provided with several layers of gaskets 141 on one side facing the top cover 13; for easy replacement, the thickness of the bottom plate 142 is greater than that of the gasket 141, and the bottom plate 142 acts as a base to receive the gasket 141 to prevent the gasket from deforming when water flows at high speed; several layers of gaskets 141 are detachably connected to the top cover 13 through fasteners; there is a gap between the topmost gasket 141 and the front edge of the top cover 13 to form the water outlet 12. The front end of the bottom cover 14 extends to the outside of the front end of the top cover 13.

[0029] In order to facilitate the installation and removal of the gasket 141, a plurality of first through holes 4 are formed on the bottom plate 142, and a second through hole 5 corresponding to the first through hole 4 is formed on the gasket 141; fixing bolts 6 are inserted into the first through hole 4 and the second through hole 5, and the fixing bolts 6 are threadedly connected with the top cover 13. When the gasket 141 at the top of the bottom cover 14 is worn too much, loosen the fixing bolts, remove the gasket 141 with excessive wear on the top, expose a new gasket 141, and then reinstall the bottom cover on the top cover, and tighten the fixing bolts to maintain the size of the water outlet. The upper surface of the gasket 141 at the top contacts the lower surface of the top cover 13. In order to prevent water leakage, a sealing gasket 8 in contact with the bottom cover 14 is provided on the lower surface of the top cover 13. The sealing gasket 8 is provided between the top cover 13 and the bottom cover 14 to play a sealing role.

[0030] In order to facilitate the adjustment of the water spray angle of the nozzle body 1, the connecting part 2 includes a universal ball joint 21 threadedly connected to the nozzle body 1, and the interior of the universal ball joint 21 is provided with a connecting cavity 211 connected to the duckbill cavity 11; the outer side of the universal ball joint 21 is hinged with the connecting flange 3, and the connecting flange 3 includes a first flange 31 and a second flange 32 connected and fixed by flange fastening bolts 7.

[0031] The nozzle body 1 can not only adjust the elevation height of the nozzle body 1 at various angles through the universal ball valve 21, but also fix the elevation height of the nozzle body 1 after fixing the flange fastening bolts 7, and then adjust the rotation angle of the nozzle body 1 relative to the ground plane in the circumferential direction of the universal ball valve 21, thereby realizing all-round adjustment.

[0032] The duckbill nozzle of the present embodiment belongs to a long-life water-spraying duckbill that can be recycled in a sanitation cleaning vehicle. The first flange 31 connected to the water system of the cleaning vehicle connects and fixes the water pipe of the water system to the water-spraying duckbill. The second flange 32 is connected to the first flange 31 by flange fastening bolts 7. A universal ball valve 21 is arranged between the first flange 31 and the second flange 32. The overall working angle of the water-spraying duckbill can be adjusted by tightening or loosening the flange fastening bolts 7. The nozzle body 1 is fixed to the universal ball valve 21 by threads, and the rotation angle of the nozzle body 1 relative to the ground plane can be adjusted in the circumferential direction of the universal ball valve 21. The top cover 13 and the bottom cover 14 are assembled by fixing bolts 6. The water in the water system enters the duckbill cavity 11 through the universal ball valve 21. In order to prevent the top cover 13 and the bottom cover 14 from leaking, a water-proof sealing pad 8 is installed between the two to save water. When the water in the water system reaches the duckbill cavity 11, water with a certain pressure is sprayed out through the water outlet 12 to rinse the ground and complete the cleaning operation function.

[0033] The bottom cover 14 is a laminated process structure, which is formed by stacking multiple metal gaskets 141 with a certain thickness. As the use time increases, the bottom cover 14 is constantly washed and worn by water with a certain pressure, which makes the size of the water outlet 12 larger and the water outlet pressure smaller, resulting in unsatisfactory operation effect. The water-spraying duckbill assembly needs to be replaced from time to time, which increases the operating cost. The nozzle of this embodiment designs the bottom cover 14 structure as a laminated process. When the size of the water outlet 12 is worn to a certain extent, the water outlet pressure becomes smaller. It is not necessary to replace the entire water-spraying duckbill assembly, but only the laminates worn by water on the upper surface need to be replaced, ensuring that the size of the water outlet 12 is maintained in the original design state, so that the water outlet pressure will not decrease, maintain the ideal operation flushing effect, and reduce the operating cost. The water-spraying duckbill designed as a laminated process structure will extend the life of the existing integrated water-spraying duckbill structure by 5-8 times, greatly reducing the cost of use. It can be recycled and is a truly energy-saving product with great market promotion value.

[0034] The contents explained in the above embodiments should be understood as these embodiments are only used to more clearly illustrate the present invention, and are not used to limit the scope of the present invention. After reading the present invention, various equivalent forms of modifications to the present invention by those skilled in the art fall within the scope defined by the claims attached to this application.

Claims

1. A duckbill nozzle, comprising a nozzle body (1), the nozzle body (1) comprising a duckbill cavity (11), a water outlet (12), a connecting piece (2) rotatably connected to the nozzle body (1), a connecting flange (3) being connected to a side of the connecting piece (2) away from the nozzle body (1), characterized in that: The nozzle body (1) comprises a top cover (13) and a bottom cover (14) detachably connected to the top cover (13) via fixing bolts (6), wherein the duckbill cavity (11) is formed between the top cover (13) and the bottom cover (14); the bottom cover (14) comprises a plurality of layers of gaskets (141) arranged along the thickness direction of the bottom cover (14), wherein the plurality of layers of gaskets (141) are detachably connected to the top cover (13) via fasteners; and a gap is provided between the uppermost gasket (141) and the edge of the top cover (13), thereby forming the water outlet (12).

2. The duckbill nozzle according to claim 1, characterized in that: The bottom cover (14) comprises a bottom plate (142), and a plurality of layers of gaskets (141) are provided on a side of the bottom plate (142) facing the top cover (13); the thickness of the bottom plate (142) is greater than the thickness of the gasket (141).

3. The duckbill nozzle according to claim 2, characterized in that: The bottom plate (142) is provided with a plurality of first through holes (4), and the gasket (141) is provided with second through holes (5) corresponding to the first through holes (4); fixing bolts (6) are inserted into the first through holes (4) and the second through holes (5).

4. The duckbill nozzle according to claim 1, characterized in that: The connecting member (2) comprises a universal ball joint (21) threadedly connected to the nozzle body (1), and a connecting cavity (211) communicating with the duckbill cavity (11) is provided inside the universal ball joint (21).

5. The duckbill nozzle according to claim 4, characterized in that: The connecting flange (3) is hingedly connected to the outer side of the universal ball joint (21), and the connecting flange (3) comprises a first flange (31) and a second flange (32) which are connected and fixed by flange fastening bolts (7).

6. The duckbill nozzle according to any one of claims 1 to 5, characterized in that: A sealing gasket (8) in contact with the bottom cover (14) is provided on the lower surface of the top cover (13).

7. The duckbill nozzle according to any one of claims 1 to 5, characterized in that: The front end of the bottom cover (14) extends to the outside of the front end of the top cover (13).

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