CN212383905U

CN212383905U - Single nozzle with drip-proof structure

Info

Publication number: CN212383905U
Application number: CN202020529556.0U
Authority: CN
Inventors: 黄晓强
Original assignee: Zhejiang Qiangyu Machine Co ltd
Current assignee: Zhejiang Qiangyu Machine Co ltd
Priority date: 2020-04-11
Filing date: 2020-04-11
Publication date: 2021-01-22
Anticipated expiration: 2030-04-11

Abstract

The utility model discloses a single nozzle with antidrip structure, including the single nozzle body, the antidrip structure of setting in the nozzle body of single nozzle body, the nozzle body internal surface is provided with the internal thread, antidrip structure includes the installation pipe of outside threaded connection on the internal thread, the setting is at the installation pipe lower extreme and the base that the middle part has first passageway, can dismantle the connection and have the end cover of second passageway in the middle part in installation pipe upper end, be located the intraductal sealing plug of installation, set up between end cover and sealing plug upper surface and make the sealing plug jam compression spring of first passageway after the downstream. The utility model has the advantages of it is following and effect: when liquid is conveyed, the water pressure can overcome the elasticity of the compression spring to separate the sealing plug from the base in the liquid conveying process, and at the moment, the liquid can be output along the first channel and the second channel; when liquid stops conveying, the compression spring resets to enable the sealing plug to block the first channel, and the problem that dripping occurs to a single nozzle is solved.

Description

Single nozzle with drip-proof structure

Technical Field

The utility model relates to an agricultural medicine machine accessory technical field that spouts, in particular to single nozzle with antidrip structure.

Background

An agricultural pesticide sprayer is an agricultural machine which sprays liquid on the surface of an object by pressure after mixing water and pesticide, and is a plant protection machine in the agricultural machine. With the increasing input subsidy of the country to agriculture, modern plant protection machinery is entering the hands of farmers, the shortage of labor force is overcome by the appearance of the plant protection machinery, and the production efficiency and the agricultural accuracy can be improved. The single nozzle is used for being arranged on a nozzle of an agricultural pesticide spraying machine.

At present, a single nozzle with an anti-dripping structure is disclosed in a Chinese patent with an application publication number of CN110064534A and an application publication date of 2019, 7 and 30, and comprises a nozzle body, wherein an anti-dripping filter screen structure is arranged in the nozzle body. The single nozzle with the anti-dripping structure solves the problem that the single nozzle generates dripping leakage in the using process by arranging the anti-dripping filter screen structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a single nozzle with antidrip structure also can solve the phenomenon that the single nozzle appears the water clock in the use.

The above technical purpose of the present invention can be achieved by the following technical solutions: a single nozzle with a drip-proof structure comprises a single nozzle body and the drip-proof structure arranged in the nozzle body of the single nozzle body, wherein an internal thread is arranged on the inner surface of the nozzle body, the drip-proof structure comprises an installation pipe, a base, an end cover, a sealing plug and a compression spring, the installation pipe is in threaded connection with the internal thread on the outer side, the base is arranged at the lower end of the installation pipe, the middle of the base is provided with a first channel, the end cover is detachably connected to the upper end of the installation pipe, the middle of the end cover is provided with a second channel, the sealing plug is positioned in the installation pipe, and the compression spring is arranged between; when water flows through the nozzle body, the water flow impacts the sealing plug to compress the compression spring, and the water flows into the first passage and flows out of the second passage.

The utility model discloses a further set up to: the installation pipe is made of plastic materials, a plurality of buckles used for being buckled on the upper surface of the end cover are integrally arranged on the periphery of the upper surface of the installation pipe, and two ends of the compression spring are respectively fixed between the end cover and the sealing plug.

The utility model discloses a further set up to: the inner wall of the upper surface of the mounting pipe is provided with a limiting groove, the end cover is integrally provided with a limiting block embedded in the limiting groove, and the upper surface of the end cover is provided with an annular hexagonal groove.

The utility model discloses a further set up to: the inner diameter of the first channel is gradually increased along the direction close to the end cover, and the lower surface of the sealing plug is provided with a conical part which is in rubber contact with the inner wall of the first channel.

The utility model discloses a further set up to: the annular groove is formed in the conical portion, the cross section of the annular groove is larger than a semicircle, and a rubber sealing ring used for abutting against the inner wall of the first channel is embedded into the annular groove.

To sum up, the utility model discloses following beneficial effect has:

1. when liquid begins to be conveyed, the water pressure can overcome the elasticity of the compression spring to separate the sealing plug from the base in the liquid conveying process, and at the moment, the liquid can be output along the first channel and the second channel; when the liquid stops being conveyed, the compression spring is reset so that the sealing plug blocks the first channel, and the problem that the single nozzle leaks in the using process is solved;

2. the mounting pipe and the end cover are limited by the limiting groove and the limiting block, so that the end cover and the mounting pipe are prevented from rotating relatively, and at the moment, the upper surface of the end cover is provided with the annular hexagonal groove, so that the anti-drip structure can be conveniently mounted on the internal thread of the nozzle body by a tool matched with the annular hexagonal groove or dismounted from the internal thread of the nozzle body;

3. the inner diameter of the first channel is gradually increased along the direction close to the end cover, and the lower surface of the sealing plug is provided with a conical part which is provided with rubber with the inner wall of the first channel, so that the conical part can be conveniently embedded and tightly propped against the inner wall of the first channel when the compression spring is reset;

4. the cross section of annular is greater than the semicircle and makes rubber seal be difficult for dropping after the installation, and rubber seal supports tightly and can improve sealed effect on the inner wall of first passageway to improve the effect of antidrip.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a partial enlarged view at a in fig. 1.

Reference numerals: 1. a single nozzle body; 11. a nozzle body; 111. an internal thread; 2. a drip-proof structure; 21. installing a pipe; 211. buckling; 212. a limiting groove; 22. a base; 221. a first channel; 23. an end cap; 231. a second channel; 232. a limiting block; 233. an annular hexagonal groove; 24. a sealing plug; 241. a tapered portion; 242. a ring groove; 243. a rubber seal ring; 25. compressing the spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The implementation effect is as follows: a single nozzle with a drip-proof structure is disclosed, as shown in figure 1, comprising a single nozzle body 1, and a drip-proof structure 2 arranged in a nozzle body 11 of the single nozzle body 1.

As shown in fig. 1 and 2, an internal thread 111 is provided on the inner surface of the nozzle body 11. The drip-proof structure 2 comprises a mounting tube 21 with the outer side screwed on the internal thread 111, a base 22 integrally arranged at the lower end of the mounting tube 21 and provided with a first channel 221 in the middle, an end cover 23 detachably connected at the upper end of the mounting tube 21 and provided with a second channel 231 in the middle, a sealing plug 24 positioned in the mounting tube 21, and a compression spring 25 arranged between the end cover 23 and the upper surface of the sealing plug 24 and used for blocking the first channel 221 after the sealing plug 24 moves downwards.

As shown in fig. 2, the mounting tube 21 is made of a plastic material, a plurality of buckles 211 for buckling on the upper surface of the end cover 23 are integrally arranged on the periphery of the upper surface of the mounting tube 21, and two ends of the compression spring 25 are respectively fixed between the end cover 23 and the sealing plug 24. Meanwhile, a limiting groove 212 is formed in the inner wall of the upper surface of the mounting pipe 21, a limiting block 232 embedded in the limiting groove 212 is integrally arranged on the end cover 23, and an annular hexagonal groove 233 is formed in the upper surface of the end cover 23.

As shown in fig. 2, the inner diameter of the first passage 221 is gradually increased in a direction close to the end cap 23, and the lower surface of the sealing plug 24 is provided with a tapered portion 241 which is in rubber contact with the inner wall of the first passage 221. Meanwhile, the conical portion 241 is provided with a ring groove 242, the cross section of the ring groove 242 is larger than a semicircle, and a rubber sealing ring 243 tightly abutting against the inner wall of the first channel 221 is embedded in the ring groove 242.

The implementation effect is as follows: when the liquid starts to be conveyed, the water pressure in the liquid conveying process can overcome the elastic force of the compression spring 25 to separate the sealing plug 24 from the base 22, and the liquid can be output along the first channel 221 and the second channel 231; when the liquid stops being delivered, the compression spring 25 is reset to enable the sealing plug 24 to block the first channel 221, and the problem that the single nozzle drips in the using process is solved.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a single nozzle with antidrip structure, includes single nozzle body (1), sets up antidrip structure (2) in nozzle body (11) of single nozzle body (1), its characterized in that: the inner surface of the nozzle body (11) is provided with an internal thread (111), the anti-leakage structure (2) comprises a mounting pipe (21) with the outer side screwed on the internal thread (111), a base (22) which is arranged at the lower end of the mounting pipe (21) and is provided with a first channel (221) in the middle, an end cover (23) which is detachably connected to the upper end of the mounting pipe (21) and is provided with a second channel (231) in the middle, a sealing plug (24) positioned in the mounting pipe (21), and a compression spring (25) which is arranged between the end cover (23) and the upper surface of the sealing plug (24) and enables the sealing plug (24) to block the first channel (221) after moving downwards; when the water flow passes through the nozzle body (11), the water flow impacts the sealing plug (24) to compress the compression spring (25) to achieve the flow in from the first passage (221) and the flow out from the second passage (231).

2. The single nozzle with the drip-proof structure as claimed in claim 1, wherein: the mounting tube (21) is made of plastic materials, a plurality of buckles (211) used for buckling the upper surface of the end cover (23) are integrally arranged on the periphery of the upper surface of the mounting tube (21), and two ends of the compression spring (25) are respectively fixed between the end cover (23) and the sealing plug (24).

3. The single nozzle with the anti-dripping structure as claimed in claim 2, wherein: the mounting structure is characterized in that a limiting groove (212) is formed in the inner wall of the upper surface of the mounting pipe (21), a limiting block (232) embedded in the limiting groove (212) is integrally arranged on the end cover (23), and an annular hexagonal groove (233) is formed in the upper surface of the end cover (23).

4. The single nozzle with the drip-proof structure as claimed in claim 1, wherein: the inner diameter of the first channel (221) is gradually increased along the direction close to the end cover (23), and the lower surface of the sealing plug (24) is provided with a conical part (241) which is in rubber fit with the inner wall of the first channel (221).

5. The single nozzle with the anti-dripping structure as claimed in claim 4, wherein: annular groove (242) have been seted up on toper portion (241), the cross section of annular groove (242) is greater than the semicircle, it is provided with rubber seal (243) that are used for supporting tightly on the inner wall of first passageway (221) to embed in annular groove (242).