Paint spray gun

Abstract

The utility model relates to the technical field of paint spray guns, in particular to a paint spray gun which comprises a spray gun body, a handle is fixedly connected to the rear end of the spray gun body, a button capable of being pressed is arranged at the front end of the lower portion of the handle, a connecting pipeline is fixedly connected to the front end of the spray gun body, and a material barrel is fixedly connected to the top of the connecting pipeline. The front end of the connecting pipeline is fixedly connected with a nozzle, the periphery of the nozzle is fixedly sleeved with a splash-proof shell, and a pressure pump is further fixedly arranged in the spray gun body. According to the nozzle, the threaded column is in threaded connection with the threaded sleeve on the connecting pipeline in a threaded mode, after the head is completely clamped through threads, the extrusion block can be just clamped into the notch through the elastic effect so as to be limited and fixed, and therefore the stability of the nozzle can be improved; and through the arranged stirring mechanism, the paint can flow in the material barrel, so that the paint is prevented from being solidified due to standing.

Description

TECHNICAL FIELD

[0001] The utility model relates to paint spray gun technical field, concretely is a paint spray gun. BACKGROUND

[0002] Paint spray gun is a common coating tool, it sprays to object surface through mixing compressed air and liquid paint, utilizes liquid or compressed air rapid release as power, sprays paint to object surface equipment, realizes quick, even coating effect.

[0003] The working principle of paint spray gun mainly includes nozzle, compressed air and liquid paint three parts. When compressed air passes through nozzle, it will produce negative pressure, thereby liquid paint is sucked into nozzle. Under the action of nozzle, liquid paint will be dispersed into small particles and mixed with compressed air, form a uniform paint spray. This spray is then sprayed to object surface, forms smooth paint film.

[0004] But the paint spray gun on the market still has following insufficient: 1. simply adopt thread to fix and connect between spray gun and nozzle, makes nozzle easy to produce sway after long time use, influences the stability of nozzle paint spraying time;2. paint can produce solidification hidden danger when not using for a long time, leads to subsequent paint spraying can not be sprayed.

[0005] Therefore, it is needed to design a kind of paint spray gun to solve the problems proposed above. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of paint spray gun to solve the problems proposed in the background art.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] A kind of paint spray gun, including spray gun body, the rear end of the spray gun body is fixedly connected with handle, the lower front end of the handle is provided with the button of pressable, the front end of the spray gun body is fixedly connected with connecting pipeline, the top of the connecting pipeline is fixedly connected with material bucket, the front end of the connecting pipeline is fixedly connected with nozzle, the periphery of the nozzle is fixedly installed with splash-proof shell, the inside of the spray gun body is also fixedly provided with pressure pump;

[0009] The end of the nozzle is fixedly connected with threaded column and plug-in column, the front end of the connecting pipeline is fixedly provided with threaded sleeve and fixed sleeve, the inside of the threaded column and threaded sleeve is threadedly connected, the plug-in column is inserted into the inside of fixed sleeve;

[0010] The inner wall of the fixed sleeve is provided with an extrusion block, and the outer side of the inserting column is provided with an opening matched with the extrusion block.

[0011] As the preferred scheme of the present application, the bottom of the material bucket is fixedly connected with a threaded connector, and the top of the connecting pipeline is integrally fixedly connected with a threaded connector sleeve.

[0012] As the preferred scheme of the present application, the inside of the threaded connector sleeve extends to the outside thereof and is connected with a rotatable stirring rod, the outer surface of the stirring rod is fixedly provided with stirring blades, the inside of the threaded connector sleeve is connected with a second gear, the second gear is meshingly connected with a first gear, the first gear is connected with a horizontally arranged driving shaft, and the side, away from the threaded connector sleeve, of the driving shaft is key-connected with a micro motor located in the inside of the fixed sleeve.

[0013] As the preferred scheme of the present application, the inside of the material bucket is further provided with an inner heat insulation layer, and the inner heat insulation layer adopts a nano heat insulation and heat preservation coating.

[0014] Compared with the prior art, the present application has the following beneficial effects:

[0015] 1. In the present application, when the paint spraying gun is used, the threaded column can be threadedly connected with the threaded sleeve on the connecting pipeline, and after the thread is tightly clamped, the extrusion block is clamped into the opening inside to limit and fix, thereby improving the stability of the nozzle.

[0016] 2. In the present application, after the material bucket and the connecting pipeline are connected, the stirring structure is located in the inside of the material bucket, and then the micro motor can work to drive the stirring rod and the stirring blades to rotate, thereby stirring the paint in the inside of the material bucket, making the paint flow in the inside of the material bucket, preventing the paint from solidifying due to static, and helping the various components in the paint to be uniformly mixed, avoiding stratification or precipitation, and when the paint needs to be sprayed, the stirred paint is easier to be sprayed out, improving the efficiency and uniformity of the paint spraying. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole three-dimensional structure schematic view of the present application;

[0018] Figure 2 It is Figure 1 a partial internal structure schematic view;

[0019] Figure 3The plane structure schematic view of the nozzle and the plug-in column of the utility model;

[0020] Figure 4 The structure schematic view of the barrel and the threaded connecting sleeve of the utility model after separation.

[0021] In the figure: 1, the lance body; 2, handle; 3, button; 4, connecting pipeline; 41, threaded sleeve; 42, fixed sleeve; 421, extrusion block; 5, barrel; 51, threaded connector; 52, threaded connecting sleeve; 6, nozzle; 61, threaded column; 62, plug-in column; 621, gap; 7, splash-proof shell; 8, pressure pump; 9, stirring rod; 10, stirring blade; 11, second gear; 12, first gear; 13, drive shaft; 14, micro motor; 15, inner thermal insulation layer. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. Several embodiments of the utility model are given. However, the utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0024] It should be noted that when an element is referred to as "fixed to" another element, it can be directly on the other element or there can be a middle element. When an element is referred to as "connected" to another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0026] Embodiment, please see Figures 1-4 The utility model provides a kind of technical scheme:

[0027] The paint spray gun comprises a spray gun body 1, a handle 2 fixedly connected to the rear end of the spray gun body 1, a pressable button 3 arranged at the lower front end of the handle 2, a connecting pipeline 4 fixedly connected to the front end of the spray gun body 1, a paint bucket 5 fixedly connected to the top of the connecting pipeline 4, an electric control valve arranged between the paint bucket 5 and the connecting pipeline 4, a spray nozzle 6 fixedly connected to the front end of the connecting pipeline 4, a splash-proof shell 7 fixedly installed on the periphery of the spray nozzle 6, and a pressure pump 8 fixedly arranged in the spray gun body 1.

[0028] Specifically, a threaded column 61 and a plug-in column 62 are fixedly connected to the tail end of the spray nozzle 6, a threaded sleeve 41 and a fixed sleeve 42 are fixedly arranged at the front end of the connecting pipeline 4, the threaded column 61 and the threaded sleeve 41 are threadedly connected, and the plug-in column 62 is clamped into the interior of the fixed sleeve 42; a pressing block 421 is arranged on the inner wall of the fixed sleeve 42, a gap 621 matched with the pressing block 421 is arranged on the outer side of the plug-in column 62, and the spray nozzle 6 is clamped and fixed in the gap 621 during rotation.

[0029] In this embodiment, the threaded column 61 is threadedly connected to the interior of the threaded sleeve 41, the spray nozzle 6 is gradually clamped into the interior of the connecting pipeline 4 during rotation, and finally the pressing block 421 is clamped into the gap 621, so as to achieve installation of the spray nozzle 6, avoid shaking of the spray nozzle 6, and improve stability during long-term use.

[0030] Specifically, a rotatable stirring rod 9 is connected to the interior of the threaded connection sleeve 52 to the outside thereof, stirring blades 10 are fixedly arranged on the outer surface of the stirring rod 9, the stirring rod 9 is connected to a second gear 11 in the interior of the threaded connection sleeve 52, the second gear 11 is meshingly connected to a first gear 12, the first gear 12 is connected to a driving shaft 13 arranged in the transverse direction, and a micro motor 14 in the interior of the fixed sleeve 42 is key-connected to the side of the driving shaft 13 away from the threaded connection sleeve 52.

[0031] In this embodiment, the micro motor 14 drives the driving shaft 13 to rotate, thereby synchronously driving the stirring rod 9 to rotate, and further driving the stirring blades 10 to rotate, so as to realize stirring of the paint in the paint bucket 5, avoid solidification of the paint, and help uniform mixing of various components in the paint, so as to avoid stratification or precipitation. When paint spraying is needed, the stirred paint is more easily sprayed out, thereby improving the efficiency and uniformity of paint spraying.

[0032] The bottom of the material bucket 5 is fixedly connected with a threaded connector 51, the top of the connecting pipeline 4 is integrally fixedly connected with a threaded connector sleeve 52, and the material bucket 5 is threadedly connected through the threaded connector 51 and the threaded connector sleeve 52.

[0033] The inside of the material bucket 5 is further provided with an inner heat insulation layer 15, and the inner heat insulation layer 15 is made of nano heat insulation paint; the solidification speed of the paint can be prevented from being affected by the change of external temperature.

[0034] The utility model discloses a paint spraying gun, which comprises a connecting pipeline 4, a material bucket 5, a pressure pump 8, a nozzle 6, a button 3, a stirring rod 9, a stirring blade 10, a threaded sleeve 41, a threaded column 61, a threaded connector 51 and a threaded connector sleeve 52.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A paint spray gun comprising a spray gun body (1), characterized in that: The rear end of the lance body (1) is fixedly connected with a handle (2), the lower front end of the handle (2) is provided with a pressable button (3), the front end of the lance body (1) is fixedly connected with a connecting pipeline (4), the top of the connecting pipeline (4) is fixedly connected with a material bucket (5), the front end of the connecting pipeline (4) is fixedly connected with a nozzle (6), the periphery of the nozzle (6) is fixedly installed with a splash-proof shell (7), and the inside of the lance body (1) is also fixedly provided with a pressure pump (8). The distal end of the nozzle (6) is fixedly connected with a threaded column (61) and a plug-in column (62), the front end of the connecting pipeline (4) is fixedly provided with a threaded sleeve (41) and a fixed sleeve (42), the inside of the threaded column (61) and the threaded sleeve (41) are screw-connected, and the plug-in column (62) is clamped into the inside of the fixed sleeve (42). The inside wall of the fixed sleeve (42) is provided with an extrusion block (421), the outside of the plug-in column (62) is provided with an opening (621) matched with the extrusion block (421), and the nozzle (6) is clamped and fixed by the extrusion block (421) clamped into the opening (621) during rotation.

2. A paint spray gun according to claim 1, characterised in that: The bottom of the material bucket (5) is fixedly connected with a threaded connecting head (51), the top of the connecting pipeline (4) is integrally fixedly connected with a threaded connecting sleeve (52), and the material bucket (5) is screw-connected through the threaded connecting head (51) and the threaded connecting sleeve (52).

3. A paint spray gun according to claim 2, wherein: The inside of the threaded connecting sleeve (52) extends to the outside thereof and is connected with a rotatable stirring rod (9), the outer surface of the stirring rod (9) is fixedly provided with stirring blades (10), the stirring rod (9) is connected with a second gear (11) in the inside of the threaded connecting sleeve (52), the second gear (11) is meshingly connected with a first gear (12), the first gear (12) is connected with a driving shaft (13) arranged in a transverse direction, and the side, away from the threaded connecting sleeve (52), of the driving shaft (13) is key-connected with a micro motor (14) located in the inside of the fixed sleeve (42).

4. A paint spray gun according to claim 1, wherein: The inside of the material bucket (5) is also provided with an inner heat insulation layer (15), and the inner heat insulation layer (15) adopts nano heat insulation and heat preservation paint.

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