Directional spraying device for sprayer

Abstract

The utility model provides a directional spraying device for a sprayer, which comprises an adapter, a protective cover and a plurality of nozzle components, one end of the adapter is provided with a spray rod butt joint, and the other end of the adapter is provided with a plurality of nozzle butt joints. The multiple nozzle butt joints penetrate into the protective cover, the adapter is detachably fixed to the protective cover through a fixing structure, and the multiple nozzle assemblies are arranged on the nozzle butt joints in a one-to-one correspondence mode; during use, the nozzle assembly sprays pesticide flowing through the adapter, and the sprayed pesticide is limited in an area defined by the protective cover through the protective cover; the pesticide spraying device is simple in structure, pesticide sprayed by the nozzle assembly is limited in an area defined by the protective cover by the protective cover when the pesticide spraying device is used, so that the pesticide can be directionally sprayed to a weed area, and pesticide drifting is prevented from causing phytotoxicity to crops and polluting the environment; in addition, the spray rod butt joint can be connected with spray rods on various sprayers, actual use is more convenient, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a directional spraying device for sprayer. BACKGROUND

[0002] Agriculture is the basic industry of the country, and agricultural products provide guarantee for people's life and production. When crops are planted, weeds often grow in the land. In order to ensure that the nutrient components of crops are not taken away by weeds, it is often necessary to remove weeds.

[0003] The existing farmland weeds are usually removed by spraying pesticides on a large area. However, a large amount of pesticide is needed for spraying, and the pesticide is easily sprayed on crops during the spraying process, which not only wastes the pesticide, but also has an adverse effect on the normal growth of crops. Therefore, the existing technology needs to be improved and developed. SUMMARY

[0004] In view of the deficiencies in the above problems, the utility model provides a directional spraying device for sprayer.

[0005] In order to achieve the above purpose, the utility model provides a directional spraying device for sprayer, which comprises an adapter, a protective cover and a plurality of nozzle assemblies. One end of the adapter is provided with a spray rod adapter, and the other end is provided with a plurality of nozzle adapters. The plurality of nozzle adapters penetrate into the protective cover and are detachably fixed on the protective cover by a fixing structure. The plurality of nozzle assemblies are one-to-one corresponding to the nozzle adapters. When in use, the nozzle assemblies spray the pesticide flowing through the adapter, and the protective cover limits the sprayed pesticide in the area enclosed by the protective cover.

[0006] Further, the fixing structure comprises a limiting seat arranged between the spray rod adapter and the nozzle adapter, an external thread arranged on the outer side wall of the nozzle adapter, and a limiting ring matched with the external thread.

[0007] Further, the limiting ring is provided with a plurality of anti-skid protrusions on the outer side wall along the circumference.

[0008] Further, the nozzle assembly comprises a nozzle seat and a nozzle. The nozzle seat is provided with a mounting hole, the hole diameter of the mounting hole is smaller than the inner diameter of the nozzle seat, the nozzle is divided into a nozzle main body part and a nozzle bottom part, the diameter of the nozzle bottom part is greater than the hole diameter of the mounting hole and smaller than the inner diameter of the nozzle seat; during installation, the nozzle main body part passes through the mounting hole to the outside of the nozzle seat, the inner wall of the nozzle seat is threadedly connected with the outer wall of the nozzle adapter until the nozzle bottom part abuts against the end face of the nozzle adapter.

[0009] Further, an elastic sealing ring is arranged between the nozzle adapter and the nozzle, and the elastic sealing ring is arranged in the nozzle seat.

[0010] Further, the nozzle seat outer side wall is provided with a plurality of anti-skid protrusions along the circumference.

[0011] Further, the protective cover body is in the shape of a sector.

[0012] Further, the protective cover is provided with a hanging hole.

[0013] The utility model has the advantages that: the utility model has simple structure, and when in use, the protective cover limits the pesticide sprayed by the nozzle assembly in the area formed by the protective cover, so that the pesticide can be sprayed to the weed area in a directional manner, thereby avoiding pesticide drift from causing damage to crops and polluting the environment; in addition, the spray rod connector can be connected to the spray rod of various sprayers, which is more convenient to use and has high practicability. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a perspective view of the directional spraying device for a sprayer according to the utility model;

[0015] Figure 2 It is an exploded view of the directional spraying device for a sprayer according to the utility model. DETAILED DESCRIPTION

[0016] As shown in Figure 1 , Figure 2 the utility model discloses a directional spraying device for a sprayer, which comprises an adapter, a protective cover and a plurality of nozzle assemblies, one end of the adapter is provided with a spray rod connector, and the other end is provided with a plurality of nozzle connectors, the inner wall of the spray rod connector is provided with internal threads, and the spray rod connector can be connected to the spray rod of various sprayers through the threads, which is more convenient to use and has high practicability, the plurality of nozzle connectors penetrate into the protective cover, and the adapter is detachably fixed on the protective cover through a fixing structure, and the plurality of nozzle assemblies are arranged one by one on the nozzle connectors; when in use, the nozzle assemblies spray the pesticide flowing through the adapter, and the protective cover limits the sprayed pesticide in the area formed by the protective cover, so that the pesticide can be sprayed to the weed area in a directional manner, thereby avoiding pesticide drift from causing damage to crops and polluting the environment.

[0017] Further, as shown in Figure 1 , Figure 2As shown, the fixing structure in the embodiment includes a limiting seat 13 arranged between the spray rod joint 11 and the nozzle joint 12, an outer thread 121 arranged on the outer side wall of the nozzle joint 12, and a limiting ring 4 matched with the outer thread 121, and a plurality of anti-skid protrusions 41 are arranged on the outer side wall of the limiting ring 4 along the circumference.

[0018] Further, as shown in Figure 1 , Figure 2 , the nozzle assembly 3 in the embodiment includes a nozzle seat 5 and a nozzle 6, the nozzle seat 5 is provided with a mounting hole 51, and a plurality of anti-skid protrusions 52 are arranged on the outer side wall of the nozzle seat 5 along the circumference, the diameter of the mounting hole 51 is smaller than the inner diameter of the nozzle seat 5, the nozzle 6 is divided into a nozzle main body part 61 and a nozzle bottom part 62, the diameter of the nozzle bottom part 62 is greater than the diameter of the mounting hole 51 and smaller than the inner diameter of the nozzle seat 5; during installation, the nozzle main body part 61 passes through the mounting hole 51 to the outside of the nozzle seat 5, and the spraying direction of the nozzle 6 can be adjusted by rotating the nozzle main body part 61 relative to the nozzle seat 5, then the inner wall of the nozzle seat 5 is threadedly connected with the outer wall of the nozzle joint 12 until the nozzle bottom part 62 abuts against the end surface of the nozzle joint 12, thereby realizing the relative fixing of the nozzle seat 5, the nozzle 6 and the adapter 1.

[0019] Further, as shown in Figure 1 , Figure 2 , the nozzle joint 12 and the nozzle 6 in the embodiment are provided with an elastic sealing ring 7, the elastic sealing ring 7 is arranged in the nozzle seat 5, during installation, the inner wall of the nozzle seat 5 is threadedly connected with the outer wall of the nozzle joint 12 until the elastic sealing ring 7 abuts against the end surface of the nozzle joint 12, thereby realizing the relative fixing of the nozzle seat 5, the nozzle 6, the elastic sealing ring 7 and the adapter 1, and the arrangement of the elastic sealing ring 7 improves the sealing performance among the nozzle joint 12, the nozzle seat 5 and the nozzle 6.

[0020] Further, as shown in Figure 1 , Figure 2 , the main body of the protective cover 2 in the embodiment is in the shape of a sector, and the protective cover 2 is provided with a hanging hole 21 on one side, thereby facilitating the hanging storage.

[0021] The above only describes the preferred embodiments of the present application and is not used to limit the present application, and the present application can be changed and varied in various ways for those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A directional spraying device for use on a sprayer, characterized by: Including adapter (1), protective cover (2) and multiple nozzle assembly (3), one end of the adapter (1) is provided with a spray rod adapter (11), the other end is provided with multiple nozzle adapters (12), multiple nozzle adapters (12) are penetrated into the protective cover (2), and the adapter (1) is detachably fixed on the protective cover (2) by the fixing structure, multiple nozzle assemblies (3) are one by one corresponding arranged on the nozzle adapter (12); When using, the nozzle assembly (3) sprays pesticide flowing through the adapter (1), and the sprayed pesticide is limited in the area formed by the protective cover (2) by the protective cover (2).

2. A directional spraying device for use on a sprayer as defined in claim 1, wherein: The fixing structure includes a limiting seat (13) arranged between the spray rod adapter (11) and the nozzle adapter (12), an outer thread (121) arranged on the outer side wall of the nozzle adapter (12), and a limiting ring (4) matched with the outer thread (121).

3. A directional spraying device for use on a sprayer as defined in claim 2, wherein: The outer side wall of the limiting ring (4) is provided with multiple anti-skid protrusions (41) along the circumference.

4. A directional spraying device for use on a sprayer as defined in claim 1, wherein: The nozzle assembly (3) includes a nozzle seat (5) and a nozzle (6), the nozzle seat (5) is provided with a mounting hole (51), the hole diameter of the mounting hole (51) is smaller than the inner diameter of the nozzle seat (5), the nozzle (6) is divided into a nozzle main body part (61) and a nozzle bottom part (62), the diameter of the nozzle bottom part (62) is greater than the hole diameter of the mounting hole (51) and smaller than the inner diameter of the nozzle seat (5); When mounting, the nozzle main body part (61) passes through the mounting hole (51) to the outside of the nozzle seat (5), the inner wall of the nozzle seat (5) is threadedly connected with the outer wall of the nozzle adapter (12), and the nozzle bottom part (62) abuts against the end face of the nozzle adapter (12) until the nozzle bottom part (62) abuts against the end face of the nozzle adapter (12).

5. A directional spraying device for use on a sprayer as defined in claim 4, wherein: The elastic sealing ring (7) is arranged in the nozzle seat (5).

6. A directional spraying device for use on a sprayer according to claim 4 or 5, characterised in that: The outer side wall of the nozzle seat (5) is provided with multiple anti-skid protrusions (52) along the circumference.

7. A directional spraying device for use on a sprayer as defined in claim 1, wherein: The main body of the protective cover (2) is fan-shaped.

8. A directional spraying device for use on a sprayer as claimed in claim 1 or 7, characterized in that: One side of the protective cover (2) is provided with a hanging hole (21).

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