Multifunctional spray head

Abstract

The utility model discloses a multifunctional spray head which comprises a spray gun, a spray head seat is fixedly connected to a nozzle of the spray gun, a spray head body is fixedly connected to the spray head seat, and a conversion ring is installed on the outer side wall of the spray head body. When the spray painting device is used, spray painting pigment is added into the hopper, an external air pump is opened, dot type spray painting is formed, in the spray painting process, when fan-shaped spray painting is needed, the movable ring can be pulled leftwards, air of the air pump is sprayed out of the diverging nozzles through the branch air channels and the extension holes and is directly blown to the tip end of the atomizing needle, and therefore the spray painting device is convenient to use. At the moment, the pigment sprayed out of the cavity hole is blown by the airflow sprayed out of the diverging nozzle to form fan-shaped spray, and an inkjet printer can move to perform large-area inkjet printing, so that two spray shapes can be adjusted, and the spray requirement required during inkjet printing can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of spray gun nozzles, in particular to a multifunctional nozzle. Background Art

[0002] In inkjet printing, a spray gun is an indispensable drawing tool. However, current spray guns can only spray large-area circular sprays. The spraying is performed while the spray gun is moving. This spraying method has a single shape and cannot be adjusted, making it difficult to meet the needs of inkjet printing. To address the above problems, a multifunctional nozzle is proposed. Utility Model Content

[0003] The purpose of the present invention is to provide a multifunctional nozzle to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a multifunctional nozzle, comprising a spray gun, wherein a nozzle seat is fixedly connected to the nozzle of the spray gun, a nozzle body is fixedly connected to the nozzle seat, and a conversion ring is installed on the outer wall of the nozzle body.

[0005] Preferably, the spray gun includes a spray gun body, the lower middle end of the spray gun body is fixedly connected to an air pump connecting nozzle, the spray gun body is equipped with a control valve at the air pump connecting nozzle, the spray gun body is respectively provided with a main air channel and a branch air channel at the middle and lower end of the left side of the control valve, the upper end of the spray gun body is fixedly connected to a hopper connected to the main air channel, and the lower side of the spray gun body is screwed with a sealing bolt that cooperates with the branch air channel.

[0006] Preferably, the nozzle seat includes a connecting seat body, which is fixedly connected to the left side of the spray gun body. A plurality of exhaust holes are evenly penetrated on the left side of the connecting seat body, and the plurality of exhaust holes cooperate with the air distribution channels. A fixing ring is screwed on the right side of the connecting seat body.

[0007] Preferably, the nozzle body includes a nozzle shell, which is fixedly connected to the connecting seat body through a fixing ring, a guide core is sleeved in the nozzle shell, an atomizing needle is sleeved in the middle of the guide core, the atomizing needle is sleeved in the main airway, and the guide core extends from the left side of the atomizing needle. Extension holes are provided at the upper and lower ends of the left side of the nozzle shell, and a diverging nozzle is fixedly connected to the left side of the nozzle shell, and diverging air holes are provided at the upper and lower ends of the diverging nozzle.

[0008] Preferably, the atomizing needle includes an atomizing needle body, the right side of the atomizing needle body extends to the outside of the main airway and is fixedly connected to a fixing sleeve, the left side of the fixing sleeve is fixedly connected to a threaded column, and the threaded column is screwed to the spray gun body.

[0009] Preferably, the guide core comprises an inner core body, a cavity hole for sleeve connection with the atomizing needle is provided in the middle of the inner core body, and a plurality of air inlet grooves are provided on the outer side wall of the inner core body.

[0010] Preferably, the conversion ring includes a moving ring, which is sleeved on the nozzle shell, and a sealing ring is fixedly connected to the left and right sides of the inner ring of the moving ring, and the moving ring cooperates with the divergent air holes.

[0011] The beneficial effects of the utility model are:

[0012] When the utility model is in use, the spray paint is added into the hopper, the external air pump is turned on, and the control valve is controlled by hand to make the air flow pass through the main air channel, carry the paint and spray out from the cavity hole, and be atomized by the atomizing needle to form a dot-type spray. At this time, the spray painter can move the spray gun to spray. During the spraying process, when fan-shaped spraying is required, the moving ring can be pulled to the left to connect the outer extension hole with the divergent nozzle. At the same time, the sealing bolt is rotated to open the branch air channel. At this time, the gas from the air pump will be sprayed from the divergent nozzle through the branch air channel and the outer extension hole and directly blown at the tip of the atomizing needle. At this time, the paint sprayed from the cavity hole is blown by the air flow ejected from the divergent nozzle to form a fan-shaped spray. At this time, the spray painter can move the spray gun to spray over a large area, so that the utility model can adjust the two spray shapes to meet the spray requirements required for spraying. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a partial structural diagram of the utility model;

[0015] Figure 3 This is a schematic diagram of the guide core structure of the utility model.

[0016] In the figure: spray gun 1, spray gun body 11, air pump connecting nozzle 12, control valve 13, main air channel 14, branch air channel 15, hopper 16, blocking bolt 17, nozzle seat 2, connecting seat body 21, exhaust hole 22, fixing ring 23, nozzle body 3, nozzle shell 31, guide inner core 32, inner core body 321, cavity hole 322, air inlet groove 323, atomizing needle 33, atomizing needle body 331, fixing sleeve 332, threaded column 333, extension hole 34, diverging nozzle 35, diverging air hole 36, conversion ring 4, movable ring 41, sealing ring 42. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] See also Figure 1-3 The utility model provides a technical solution: a multifunctional nozzle, including a spray gun 1, a nozzle seat 2 is fixedly connected to the nozzle of the spray gun 1, a nozzle body 3 is fixedly connected to the nozzle seat 2, and a conversion ring 4 is installed on the outer wall of the nozzle body 3.

[0019] Specifically, the spray gun 1 includes a spray gun body 11, the lower middle end of the spray gun body 11 is fixedly connected to an air pump connecting nozzle 12, the spray gun body 11 is equipped with a control valve 13 at the air pump connecting nozzle 12, the spray gun body 11 is respectively provided with a main air channel 14 and a branch air channel 15 in the middle and lower left side of the control valve 13, the upper end of the spray gun body 11 is fixedly connected to a hopper 16 connected to the main air channel 14, and the lower side of the spray gun body 11 is screwed with a blocking bolt 17 that cooperates with the branch air channel 15.

[0020] Specifically, the nozzle seat 2 includes a connecting seat body 21, which is fixedly connected to the left side of the spray gun body 11. A plurality of exhaust holes 22 are evenly penetrated on the left side of the connecting seat body 21, and the plurality of exhaust holes cooperate with the air distribution channel 15. A fixing ring 23 is screwed on the right side of the connecting seat body 21.

[0021] Specifically, the nozzle body 3 includes a nozzle shell 31, which is fixedly connected to the connecting seat body 21 through a fixing ring 23. A guide core 32 is sleeved in the nozzle shell 31, and an atomizing needle 33 is sleeved in the middle of the guide core 32. The atomizing needle 33 is sleeved in the main air duct 14, and the guide core 32 extends from the left side of the atomizing needle 33. The upper and lower ends of the left side of the nozzle shell 31 are both provided with extension holes 34. The left side of the nozzle shell 31 is fixedly connected to a diverging nozzle 35, and the upper and lower ends of the diverging nozzle 35 are both provided with diverging air holes 36.

[0022] Specifically, the atomizing needle 33 includes an atomizing needle body 331 , the right side of which extends to the outside of the main airway 14 and is fixedly connected to a fixing sleeve 332 , and the left side of the fixing sleeve 332 is fixedly connected to a threaded column 333 , which is screwed to the spray gun body 11 .

[0023] Specifically, the guide core 32 includes an inner core body 321 . A cavity hole 322 is provided in the middle of the inner core body 321 for sleeve connection with the atomizing needle 33 . A plurality of air inlet grooves 323 are provided on the outer wall of the inner core body 321 .

[0024] Specifically, the conversion ring 4 includes a moving ring 41 , which is sleeved on the nozzle housing 31 . The left and right sides of the inner ring of the moving ring 41 are fixedly connected with sealing rings 42 . The moving ring cooperates with the diverging air holes 36 .

[0025] Working principle: When the utility model is used, the spray paint is added into the hopper 16, the external air pump is turned on, and the control valve 13 is controlled by hand to make the air flow pass through the main air channel 14, carrying the paint out from the cavity hole 322, and atomized by the atomizing needle 33 to form a dot spray. At this time, the spray painter can move the spray gun 1 to spray. During the spraying process, when fan-shaped spraying is required, the moving ring 41 can be pulled to the left to connect the extended hole 36 with the divergent nozzle 37. At the same time, the rotating The bolt 17 is sealed to open the air distribution channel 15. At this time, the gas from the air pump will be ejected from the divergent nozzle 37 through the air distribution channel 15, the outer wall of the guide core 32, and the extension hole 36, and directly blown onto the tip of the atomizing needle 33. At this time, the paint ejected from the cavity hole 322 is blown by the airflow ejected from the divergent nozzle 37 to form a fan-shaped spray. At this time, the spray painter can move the spray gun 1 to spray a large area, so that the utility model can adjust the two spray shapes to meet the spray requirements required for spraying.

[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multifunctional spray head, comprising a spray gun (1), characterized in that: The nozzle of the spray gun (1) is fixedly connected to a nozzle seat (2), the nozzle seat (2) is fixedly connected to a nozzle body (3), and a conversion ring (4) is installed on the outer wall of the nozzle body (3); The spray gun (1) comprises a spray gun body (11), the lower middle end of the spray gun body (11) is fixedly connected to an air pump connection nozzle (12), the spray gun body (11) is equipped with a control valve (13) at the air pump connection nozzle (12), the spray gun body (11) is respectively provided with a main air passage (14) and a branch air passage (15) at the middle and lower left end of the control valve (13), the upper end of the spray gun body (11) is fixedly connected to a hopper (16) connected to the main air passage (14), and the lower side of the spray gun body (11) is screwed with a blocking bolt (17) that matches the branch air passage (15); The nozzle seat (2) includes a connecting seat body (21), the connecting seat body (21) is fixedly connected to the left side of the spray gun body (11), a plurality of exhaust holes (22) are evenly penetrated on the left side of the connecting seat body (21), the plurality of exhaust holes are matched with the air distribution channel (15), and a fixing ring (23) is screwed on the right side of the connecting seat body (21); The nozzle body (3) comprises a nozzle shell (31), the nozzle shell (31) is fixedly connected to the connecting seat body (21) through a fixing ring (23), a flow guide inner core (32) is sleeved in the nozzle shell (31), an atomizing needle (33) is sleeved in the middle of the flow guide inner core (32), the atomizing needle (33) is sleeved in the main air passage (14), the flow guide inner core (32) is extended from the left side of the atomizing needle (33), an extension hole (34) is provided at the upper and lower ends of the left side of the nozzle shell (31), a diverging nozzle (35) is fixedly connected to the left side of the nozzle shell (31), and a diverging air hole (36) is provided at the upper and lower ends of the diverging nozzle (35); The conversion ring (4) comprises a moving ring (41), the moving ring (41) is sleeved on the nozzle shell (31), the left and right sides of the inner ring of the moving ring (41) are fixedly connected with sealing rings (42), and the moving ring cooperates with the diverging air hole (36).

2. A multifunctional nozzle according to claim 1, characterized in that: The atomizing needle (33) comprises an atomizing needle body (331), the right side of the atomizing needle body (331) extending to the outside of the main airway (14) and fixedly connected to a fixing sleeve (332), the left side of the fixing sleeve (332) being fixedly connected to a threaded column (333), and the threaded column (333) being screwed onto the spray gun body (11).

3. A multifunctional nozzle according to claim 2, characterized in that: The guide inner core (32) comprises an inner core body (321), a cavity hole (322) sleeved with the atomizing needle (33) is provided in the middle of the inner core body (321), and a plurality of air inlet grooves (323) are provided on the outer side wall of the inner core body (321).

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