阅读说明：本技术 农药喷雾喷头用防损伤结构 (Damage-proof structure for pesticide spraying nozzle ) 是由 金元用 于 2020-07-01 设计创作，主要内容包括：本发明涉及农药喷雾喷头用防损伤结构,具体是,连接于农药喷雾器执行防治的过程中调节喷雾量时,调节为最大开放值和最小开放值则不再移动,在该原位上空转,以防止把手和药液剩余的状态下随着时间的推移凝固而受到损伤的农药喷雾喷头用防损伤结构。(The invention relates to an anti-damage structure for a pesticide spray nozzle, in particular to an anti-damage structure for a pesticide spray nozzle, which is not moved when the anti-damage structure is connected with a pesticide sprayer to adjust the spraying amount in the prevention and treatment process, and idles in the original position when the anti-damage structure is adjusted to the maximum opening value and the minimum opening value so as to prevent a handle and pesticide liquid from being solidified and damaged along with the time lapse under the state that the handle and the pesticide liquid are left.)

1. An anti-damage structure for a pesticide spray nozzle is characterized in that,

as pesticide spraying nozzle is with preventing damage structure, this structure includes: a spray regulator (11) provided with a spray supply part (12) connected to a hose link (16) having a hose connection screw (17) to which a hose (18) is connected, and provided with a spray fixing screw (12) and a spray amount adjusting screw (13) which are combined together with a regulator fixing lever (40) and a pipe connection screw (15) to which a link (50) is combined on the inner surface thereof; a spray amount adjusting member (20) connected to a spray amount adjusting handle (30) that controls the amount of pesticide supplied while rotating and reciprocating a spray amount adjusting shaft (21) coupled to the inner diameter of the spray adjusting body (11); a spray pipe (60) coupled to the connection rod (50), the spray pipe having a spray head (61) at a front end thereof;

the width (b) of spraying volume adjusting screw (13) is as wide as spraying volume adjusting external screw thread (22) width (A), interval (a) between spraying fixed screw (12) and spraying volume adjusting screw (13) is greater than spraying volume adjusting external screw thread (22) width (A), interval (C) between spraying volume adjusting screw (13) and pipe connecting screw (15) is greater than interval (C) from the front end of spraying volume adjusting external screw thread (22) to between protrudingshaft part (23) front end.

2. The damage preventing structure for a pesticide spray nozzle according to claim 1,

the distance (a) between the spray fixing screw (12) and the spray quantity adjusting screw (13) is greater than the width (A) of the spray quantity adjusting external thread screw (22), so that the screws can idle when being combined and separated, and the distance (C) between the spray quantity adjusting screw (13) and the pipe connecting screw (15) is greater than the distance (C) from the front end of the spray quantity adjusting external thread screw (22) to the front end of the protruding shaft part (23), so that the spray quantity adjusting external thread screw (22) can idle when the screws in the spray quantity adjusting screw (13) are combined and separated, simultaneously, the central hollow of the connecting rod (50) is blocked, and the pesticide supply is stopped.

Technical Field

The invention relates to an anti-damage structure for a pesticide spray nozzle, in particular to an anti-damage structure for a pesticide spray nozzle, which is not moved when the anti-damage structure is connected with a pesticide sprayer to adjust the spraying amount in the prevention and treatment process, and idles in the original position when the anti-damage structure is adjusted to the maximum opening value and the minimum opening value so as to prevent a handle and pesticide liquid from being solidified and damaged along with the time lapse under the state that the handle and the pesticide liquid are left.

Background

In the agricultural field, for control, a liquid or powdery pesticide is diluted in water and sprayed.

The agricultural chemical spray head has various available forms, and patent registration No. 1795496 (2017.11.02 registration) and patent publication No. 1997-11824 (1997.04.25 publication) are that a spray regulator is provided on the upper side of a hose link connected to a hose of the sprayer, and the amount of agricultural chemical supplied from the hose can be regulated by reciprocating a spray amount regulating shaft connected to a spray amount regulating handle in the spray regulator in the transverse direction, and the spray is sprayed by the front spray head.

When the spray quantity adjusting handle is rotated, the space of the spray supply port can be removed to adjust the spray quantity of the pesticide, but when the spray quantity adjusting handle is opened to supply the pesticide at the maximum value, the spray quantity adjusting shaft can retreat to the maximum extent, and when the spray quantity adjusting shaft can not retreat any more, the strong force is continuously applied, so that the connection state of the spray quantity adjusting handle and the spray quantity adjusting shaft is released, otherwise when the pesticide is not used and the spray quantity adjusting handle is closed, and when the spray quantity adjusting handle is closed, the strong force is continuously applied when the spray quantity adjusting handle can not advance any more, and unnecessary force is applied, so that the sealing gasket and the fittings.

Further, as described above, when the supply of the agricultural chemical is suspended, and the agricultural chemical is closed and stored for a certain period of time and then reused, most of the chemical liquid containing the powder and the water is solidified, and the portion is blocked, and when the agricultural chemical cannot be reused, only maintenance or replacement of parts is performed.

Disclosure of Invention

Technical problem

The present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to prevent damage to accessories by idling after adjusting the maximum and minimum values and by not applying any force when a spray amount adjustment lever is rotated to adjust the amount of pesticide supplied.

Another object of the present invention is to prevent water leakage when the spray amount adjusting handles are rotated to maximum values, respectively.

Technical scheme

The technical scheme adopted by the invention is that the damage-preventing structure used as a pesticide spray nozzle comprises: a spray regulator provided with a spray supply part connected with a hose connecting rod of a hose connecting screw connected with a hose, and provided with a spray fixing screw and a spray quantity adjusting screw combined with a regulator fixing rod and a pipe connecting screw combined with a connecting rod on the inner surface; a spray amount adjusting member connected to a spray amount adjusting handle that controls a supply amount of the agricultural chemical while rotating and reciprocating a spray amount adjusting shaft coupled to an inner diameter of the spray adjusting body; and the spraying pipe is combined with the connecting rod, and the front end of the spraying pipe is provided with a spraying nozzle. The width of spraying volume adjusting screw and spraying volume adjusting external screw thread screw have the same width, the interval between spraying fixed screw and the spraying volume adjusting screw is greater than the width of spraying volume adjusting external screw thread screw, the interval between spraying volume adjusting screw and the pipe connecting screw is greater than the interval between the front end of spraying volume adjusting external screw thread screw to the front end of protruding axial region.

Advantageous effects

The invention has the advantages that in order to adjust the pesticide supply amount, when the spray amount adjusting handle rotates, the spray amount adjusting external threads of the spray amount adjusting shaft are combined only in the interval of adjusting the maximum value and the minimum value, then the threads are combined and separated, no force is applied, and the spray amount adjusting handle idles, thereby avoiding the accessories from being damaged;

even if rotate the value maximum respectively with the spray volume adjustment handle, no longer exert strength, can not exert pressure for the accessory, be equipped with the double circle in spray volume adjustment shaft and the protruding axial region moreover to avoid taking place to leak.

Drawings

FIG. 1 is a front view showing a preferred embodiment of the present invention;

fig. 2 is a front sectional view showing an arrangement state of the present invention;

fig. 3 is a front sectional view showing an operation state of the present invention;

FIG. 4 is a sectional view of the main part of the present invention in a separated state;

FIG. 5 is an enlarged cross-sectional view of the essential part of the present invention in a state where the amount of agricultural chemical supplied is at its maximum;

FIG. 6 is an enlarged cross-sectional view of a main part of the pesticide supply amount shutoff state of the present invention;

fig. 7 is a front view showing another embodiment of the present invention.

Description of the symbols

10: a spray rod; 11: a spray conditioner;

12: spraying a fixing screw; 13: a spray amount adjusting screw;

14: a spray supply section; 15: a tube connection screw;

16: a hose connecting rod; 17: a hose connecting screw;

20: a spray amount adjusting member; 21: a spray amount adjusting shaft;

22: adjusting the external thread screw according to the spraying amount; 23: a protruding shaft portion;

24: an annular groove; 25: a seal ring;

30: a spray amount adjusting handle; 31: a handle fixture;

40: an adjusting member fixing rod; 41: fixing screws;

42: a discharge prevention ring; 50: a connecting rod;

51: a connecting screw; 52: a tube fixing screw;

60: a spray tube; 61: and (4) a spray nozzle.

Detailed Description

Preferred embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Fig. 1 is a front view showing a preferred embodiment of the present invention, fig. 2 is a front sectional view showing an installation state of the present invention, fig. 3 is a front sectional view showing an operation state of the present invention, fig. 4 is a sectional view showing a separated state of an essential part of the present invention, fig. 5 is an enlarged sectional view of an essential part of a state where a supply amount of a pesticide of the present invention is maximum, and fig. 6 is an enlarged sectional view of an essential part of a state where the supply amount of the pesticide of the present invention is blocked.

The drawings are horizontally arranged and explained. Is composed of a spray rod (10) which is connected with a pesticide sprayer and is used for supplying pesticide. The spray rod (10) is formed by the following steps; a hose connecting rod (16) of a connecting hose (18) forming a hose connecting screw (17) is connected to a spray supply part (14), a spray fixing screw (12) of a spray rod (10) starting from the left side of the figure is formed on the inner surface of the spray rod (10) so that a fixing screw (41) can be assembled, a spray amount adjusting screw (13) is arranged on the inner surface of the right side of the spray fixing screw (12), a spray amount adjusting external screw thread screw (22) rotates through threaded connection and moves back and forth, a spray supply part (14) which is transversely arranged is connected to the hose connecting rod (16) to supply pesticide, and a pipe connecting screw (15) with a connecting screw (51) combined is arranged on the inner surface of the front end of the right side.

The spray amount adjusting member (20) which is provided in the spray supply part (14) and rotates and reciprocates to control the pesticide supply amount is provided with a spray amount adjusting external thread screw (22) on a spray amount adjusting shaft (21) which adjusts the length according to the form connected to a spray amount adjusting handle (30) through a handle fixing member (31), and reciprocates along with the rotation in the spray amount adjusting screw (13), the right side of the spray amount adjusting external thread (22) is provided with a projecting shaft part (23), the front end of the projecting shaft part (23) is provided with an annular groove (24) to fix a seal ring (25).

The sealing ring (25) is assembled on one or more annular grooves (24) and is used for blocking pesticide from entering the connecting rod (50).

The spray quantity adjusting external thread screw (22) rotates in the spray quantity adjusting screw (13) and moves back and forth at the same time, rotates and is separated from the thread connection, and then idles at the position, so that other accessories are not damaged.

The adjusting member fixing rod (40) combined with the spray fixing screw (12) is used for making the spray quantity adjusting shaft (21) penetrate through the center, a discharge preventing ring (42) is arranged on the inner diameter at a certain interval, a fixing screw (41) is arranged on the outer diameter and is in threaded connection with the spray fixing screw (12), and further water leakage from the rear is prevented.

A connecting rod (50) connected with the pipe connecting screw (15) is penetrated to enable the pesticide to flow into the inner diameter, a connecting screw (51) is arranged on the outer diameter and fixed with the pipe connecting screw (15), and a pipe fixing screw (52) is arranged on the right inner diameter.

The spray pipe (60) screwed with the pipe fixing screw (52) has a length that can be freely adjusted, and the front end is connected with a spray nozzle (61) for spraying pesticide.

The width (b) of the spray quantity adjusting screw (13) is as long as the width (A) of the spray quantity adjusting external thread screw (22). The interval (a) between the spray fixing screw (12) and the spray amount adjusting screw (13) is larger than the width of the spray amount adjusting male screw (22), so that the screw combination can be idle when released. The distance (C) between the spray quantity adjusting screw (13) and the pipe connecting screw (15) is larger than the distance (C) from the front end of the spray quantity adjusting external screw thread (22) to the front end of the protruding shaft part (23), so that the spray quantity adjusting external screw thread (22) can idle when the screw connection in the spray quantity adjusting screw (13) is separated, simultaneously, the central hollow of the connecting rod (50) is blocked, and the pesticide is stopped to be supplied.

Fig. 7 is a front view showing another embodiment of the present invention, in which a spray bar 10 is a part of a hose connecting rod 16, a spray handle 70 is provided to minutely adjust a spray amount, and a small spray amount adjusting knob 30 is provided on a spray amount adjusting shaft 21 protruding rearward of a spray adjusting body 11 and rotated to adjust a spray amount of agricultural chemicals inside.

In the present invention constructed in this manner, the hose (18) is connected to a common sprayer, the pesticide is supplied at a predetermined pressure by a pump, and the pesticide supplied through the hose (18) is sprayed from the spray supply unit (14) through the front spray pipe (60) and the spray head (61) by the hose link (16).

When spraying the pesticide, one hand grasps the spray amount adjusting handle (30) and the other hand grasps the hose connecting rod (16) of the spray rod (10) or a part of the spray adjusting body (11) to spray the pesticide to a desired position.

When the amount of sprayed pesticide is too small and the spray amount adjusting handle (30) can be rotated, the spray amount adjusting shaft (21) rotates, the spray amount adjusting male screw (22) of the spray amount adjusting member (20) rotates in the spray amount adjusting screw (13) and moves toward the spray amount adjusting handle (30), the seal ring (25) is further away from the spray supply opening (14), the space of the spray supply opening (14) is increased, and the amount of pesticide supplied to the hose connecting rod (16) is increased, so that the amount of sprayed pesticide passing through the spray head (61) is increased.

At this time, when the spray amount adjusting handle (30) is continuously rotated, the spray amount adjusting shaft (21) continuously rotates the spray amount adjusting male screw (22) to rotate in the spray amount adjusting screw (13) to adjust the spray amount of the pesticide, and the spray amount adjusting male screw (22) is separated from the spray amount adjusting screw (13), so that the supply amount of the pesticide is maximized, and the spray amount adjusting male screw (22) is locked at the front end of the fixing screw (41) of the adjuster fixing rod (40) and can rotate, but cannot move any more, so that the spray adjuster (20) idles, and related accessories and the like are not subjected to the action of force or pressure to finally prevent the accessories from being damaged.

When the spray quantity adjusting handle (30) is rotated in the opposite direction, the spray quantity adjusting external screw thread (22) is rotated in the spray quantity adjusting screw (13), the projecting shaft part (23) is advanced toward the connecting rod (50), the cross-sectional area of the spray supply part (14) is reduced, the spray quantity of the pesticide is gradually reduced, the spray quantity adjusting external screw thread (22) is continuously rotated, the sealing ring (25) combined with the annular groove (24) at the front end of the projecting shaft part (23) blocks the hollow of the connecting rod (50) while being separated from the spray quantity adjusting screw thread (13), the spray quantity adjusting member (20) is rotated together, but the spray quantity adjusting external screw thread (22) and the spray quantity adjusting screw (13) are in a separated state, so that idling is free, no force is applied, and no pressure is applied to the accessories, ultimately preventing damage to the fitting.

That is, the interval (A) of the spray amount adjusting male screw (22) is the same as the interval (b) of the spray amount adjusting screw (13), and the screw can rotate and reciprocate to open and close the hollow of the connecting rod (50) only at the position where the predetermined interval (A, b) is engaged, and the engagement of the spray amount adjusting male screw (22) and the spray amount adjusting screw (13) is released, so that the spray amount adjusting member (20) does not advance or retreat when the spray amount adjusting handle (30) is rotated, and the problem that the pressure is applied to the attachment and the attachment is not damaged is avoided.

And the spray quantity adjusting piece (20) is used for blocking the hollow state of the connecting rod (50) and keeping for a long time, and then when the spray quantity adjusting piece (20) is moved for reuse, the fixed state is not strong, so that the spray quantity adjusting piece is easy to release, required driving is quickly and simply executed, and the pesticide supply is conveniently adjusted.

The length of the spray amount adjusting shaft (21) is formed to be longer as shown in fig. 1 or shorter as shown in fig. 7 according to the position and shape of the spray amount adjusting handle (30), and can be freely adjusted, and the size and shape of the spray amount adjusting handle (30) can be formed and connected in various ways, and the spray amount adjusting handle is not fixed and separated strongly and operates softly, and after being driven by the maximum value and the minimum value, the spray amount adjusting shaft idles and simultaneously and completely executes the function without damaging peripheral accessories.

The invention prevents pesticide supplied to the inside from being discharged to the outside while the spray amount adjusting shaft (21) reciprocates due to the discharge preventing ring (42) provided at a certain interval on the inner diameter of the adjuster fixing rod (40).

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: modifications may still be made to the solutions described in the foregoing embodiments without departing from the scope of the solutions described in the embodiments of the present invention. The scope of the invention should be construed in accordance with the following claims and all technical equivalents thereof are intended to be embraced therein.

Industrial applications

The invention simply and rapidly controls the pesticide supply amount by selecting the position of the spray amount adjusting piece arranged on the spray rod spray adjusting body, only drives the spray amount adjusting external thread and the spray amount adjusting screw at intervals of meshing rotation, adjusts the pesticide supply, does not generate mutually meshed parts and idles when exceeding the adjusting range, does not forcibly drive or forcibly drive to prevent accessories from being damaged, and can be used for a long time and is a very useful invention.