Modularized electric spray gun

Abstract

The utility model discloses a modularization electric spray gun which comprises a gun body module and a main machine module which are arranged in a split mode, the gun body module comprises a gun body and a nozzle assembly, the nozzle assembly is detachably arranged at the front end of the gun body, a first connecting mechanism is arranged at the rear end of the gun body, and a second connecting mechanism is arranged at the rear end of the gun body. The main machine module comprises a main machine shell and a fan assembly, the main machine shell also serves as a holding handle, the fan assembly is arranged in the main machine shell, a second connecting mechanism is arranged at the front end of the main machine shell, and the gun body module and the main machine module are detachably connected through cooperation of the first connecting mechanism and the second connecting mechanism. According to the utility model, the modularized design is adopted, and the universal use of parts of spray guns of different models can be realized through the modularized design, so that the quantity of the parts stored in stock is reduced, and the production cost is reduced; and due to the modular design, the functionality of the product, such as vacuum suction and dust removal functions, is increased, and the practicability of the product is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of spray gun, especially to a modular electric spray gun. BACKGROUND

[0002] The spray gun is a kind of spraying equipment for atomizing liquid and then spraying the object to be painted to obtain uniform and beautiful coating layer. The spray gun usually comprises a gun body and a storage barrel, the storage barrel is used for storing paint, and the storage barrel is connected to the gun body. The gun body generates wind pressure by a fan to deliver the paint in the storage barrel to the nozzle of the gun body, and then the paint is atomized and sprayed out by the wind pressure, so as to realize the effect of uniform paint spraying. It has the advantages of good spraying effect, fast spraying speed, large spraying area, uniform spraying thickness, etc., and can adjust the pressure and the size of the atomizing nozzle to adapt to different paints and spraying occasions.

[0003] For example, a direct current spray gun disclosed in Chinese utility model patent (publication number: CN207013187U) comprises a gun body, a storage barrel, a shell, a trigger and a handle, the front end of the gun body is respectively provided with a nozzle and an atomizing air cap covered outside the nozzle, a needle plug mounting cavity is arranged in the gun body, a needle plug is movably arranged in the needle plug mounting cavity, the gun body forms a liquid pipeline, one end of the liquid pipeline is connected with a suction pipe arranged in the storage barrel, and the other end of the liquid pipeline is communicated with the needle plug mounting cavity, the tail end of the shell is provided with a fan, the gun body is provided with a first air duct communicated with the atomizing channel, the handle is respectively provided with a power supply for supplying power to the fan and a trigger for controlling the on-off of the power supply, and the gun body is further provided with a second air duct communicated with the storage barrel and a control valve for controlling the on-off of the second air duct, and the trigger, the needle plug and the control valve are all linked with the trigger. During use, the liquid flowing out of the nozzle is immediately blown away by the wind pressure near the atomizing air cap to form an atomizing effect, so that the spraying process can be realized.

[0004] The spray gun in the prior art usually has a single function and can only be used as a spray gun, and cannot realize function expansion. Moreover, the spray gun in the prior art is usually designed in a non-modular manner, and the parts of different models of spray guns cannot be used universally, so that parts for different models of products need to be reserved separately, resulting in large inventory and high production cost.

[0005] Therefore, it is necessary to improve the prior art. UTILITY MODEL CONTENTS

[0006] The utility model aims at the defects and deficiencies of the prior art, and provides a modular electric spray gun, which can use interchangeable modular parts between different models of spray guns through modular design. The host module can realize other functions such as vacuum suction function and dust removal function independently, thereby increasing the functionality of the product.

[0007] In order to achieve the above object, the utility model adopts the following technical scheme:

[0008] A modular electric spray gun, comprising a gun body module and a main module arranged in a split manner, the gun body module comprising a gun body and a nozzle assembly, the nozzle assembly being detachably arranged at the front end of the gun body, the rear end of the gun body being provided with a first connecting mechanism, the main module comprising a main shell and a fan assembly, the main shell serving as a holding handle, the fan assembly being arranged in the main shell, the front end of the main shell being provided with a second connecting mechanism, the gun body module and the main module being detachably connected through the cooperation of the first connecting mechanism and the second connecting mechanism.

[0009] Further, it further comprises a storage barrel, the storage barrel being detachably connected to the gun body, the gun body being connected with a suction pipe, the storage barrel supplying liquid to the nozzle assembly through the suction pipe.

[0010] Further, the gun body is formed with an airflow channel corresponding to the main module, the nozzle assembly comprising a nozzle and an atomizing cap covering the outside of the nozzle, a first air duct being formed between the atomizing cap and the nozzle and being communicated with the airflow channel, the atomizing cap being detachably connected to the front end of the gun body.

[0011] Further, the gun body is provided with a liquid pipeline, the liquid pipeline being detachably fixedly connected with the gun body, one end of the liquid pipeline being connected to the nozzle assembly, the other end of the liquid pipeline being connected to the suction pipe, the suction pipe supplying liquid to the nozzle assembly through the liquid pipeline.

[0012] Further, a second air duct is formed between the liquid pipeline and the gun body, one end of the second air duct being communicated with the airflow channel, the other end of the second air duct being communicated with the storage barrel.

[0013] Further, the liquid pipeline is provided with a plug-in interface extending towards the front end of the gun body, the center of the nozzle being provided with a sleeve part extending towards the inside of the gun body, the sleeve part being plug-in connected with the plug-in interface, so that the liquid pipeline and the sleeve part cooperatively form a liquid pipeline for supplying liquid to the nozzle assembly.

[0014] Further, the first connecting mechanism comprises a connecting groove arranged on the peripheral wall of the rear end of the gun body, the second connecting mechanism comprising a protrusion arranged on the inner peripheral wall of the front end of the main shell and being limitingly matched with the connecting groove, the connecting groove comprising an opening groove for the protrusion to enter and a limiting groove for limiting the protrusion to come out.

[0015] Further, the main shell is provided with a trigger for controlling the power-on or power-off of the fan assembly.

[0016] Further, the rear end of the main machine shell is detachably provided with an end cover.

[0017] With the above structure, the beneficial effects of the utility model are as follows: the modular electric spray gun comprises a gun body module and a main machine module which are arranged in a split mode, the gun body module comprises a gun body and a nozzle assembly, the nozzle assembly is detachably arranged at the front end of the gun body, the rear end of the gun body is provided with a first connecting mechanism, the main machine module comprises a main machine shell and a fan assembly, the main machine shell also serves as a holding handle, the fan assembly is arranged in the main machine shell, the front end of the main machine shell is provided with a second connecting mechanism, and the gun body module and the main machine module are detachably connected through the cooperation of the first connecting mechanism and the second connecting mechanism. The utility model adopts the modular design, first, the modular design can realize the universality of parts between different types of spray guns, reduces the number of parts in stock, and reduces the production cost. For example, when the specifications of the main machine module are different (low power: 400W, high power: 1000W), the same gun body module can still be used, so that the adaptability between parts is higher, which can reduce the mold opening cost and reduce the production cost of the product. Secondly, the modular design can also realize the quick replacement of parts. For example, when a 400W spray gun needs to be replaced by a 1000W spray gun, the 400W main machine module can be directly screwed off from the gun body module, and then the 1000W main machine module can be installed, so that the replacement process occupies less time and physical strength compared with the replacement process of the parts of the prior art spraying equipment, thereby improving the operation efficiency and reducing the working cost. Furthermore, the modular design increases the functionality of the product. For example, the gun body module and / or the end cover are detached from the main machine module, other functional heads are installed on the main machine module, other expansion functions such as vacuum suction and dust removal function can be realized, and the functionality of the product is increased. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the specific embodiments of the utility model, the drawings needed in the following specific embodiment description will be briefly introduced, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0019] Figure 1 It is the overall structure explosion map of the utility model;

[0020] Figure 2 It is the explosion map of the gun body module of the utility model;

[0021] Figure 3 It is the three-dimensional schematic view of the main machine module and the end cover of the utility model.

[0022] Figure 4 Figure 1 is a perspective view of the storage barrel of the utility model (small volume).

[0023] Figures 1 to 4 Reference numerals are:

[0024] 1, gun body module; 11, gun body body; 111, connecting groove; 1111, notch groove; 1112, limiting groove; 12, nozzle assembly; 121, nozzle; 1211, sleeve part; 122, atomizing cap; 13, liquid pipeline; 131, plug-in interface; 2, main machine module; 21, main machine shell; 211, protruding block; 212, trigger; 3, storage barrel; 4, suction pipe; 5, end cover. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, obvious and easy to understand, the specific embodiments of the utility model are described in detail below. In the following description, a lot of specific details are set forth in order to fully understand the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0026] In the description of the utility model, it should be understood that if these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0027] In addition, if these terms "first", "second" appear, these terms are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one feature. In the description of the utility model, if the term "multiple" appears, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0028] In the utility model, unless another definite provision and limitation, if there is the term " install ", " link ", " connect ", " fix " and so on, these terms should be broad sense understanding. For example, can be fixed connection, also can be detachable connection, or be integrated, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through intermediate medium, can be the communication of two elements or the interaction of two elements, unless another definite limitation. For ordinary skilled in the art, can understand the concrete meaning of the above terms in the utility model according to specific circumstances.

[0029] In the utility model, unless another definite provision and limitation, if there is the term " install ", " link ", " connect ", " fix " and so on, these terms should be broad sense understanding. For example, can be fixed connection, also can be detachable connection, or be integrated, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through intermediate medium, can be the communication of two elements or the interaction of two elements, unless another definite limitation. For ordinary skilled in the art, can understand the concrete meaning of the above terms in the utility model according to specific circumstances.

[0030] It should be noted that if an element is referred to as " fixed to " or " disposed on " another element, it can be directly on the other element or there can be intervening elements. If an element is referred to as " connected " to another element, it can be directly connected to the other element or intervening elements can be present. Unless otherwise stated, the terms "vertical", "horizontal", "top", "bottom", "left", "right" and the like as can be used herein are made only with reference to the exemplary illustrations as shown in the drawings and are merely used for description.

[0031] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with embodiments.

[0032] As Figures 1 to 4As shown, a modular electric spray gun comprises a gun body module 1 and a main module 2 arranged separately, the gun body module 1 comprises a gun body 11 and a nozzle assembly 12, the nozzle assembly 12 is detachably arranged at the front end of the gun body 11, the rear end of the gun body 11 is provided with a first connecting mechanism, the main module 2 comprises a main shell 21 and a fan assembly, the main shell 21 also serves as a holding handle, the fan assembly is arranged in the main shell 21, the front end of the main shell 21 is provided with a second connecting mechanism, the gun body module 1 and the main module 2 are detachably connected through the cooperation of the first connecting mechanism and the second connecting mechanism. The first connecting mechanism comprises a connecting groove 111 arranged on the outer peripheral wall of the rear end of the gun body 11, the second connecting mechanism comprises a protrusion 211 arranged on the inner peripheral wall of the front end of the main shell 21, which is limitedly matched with the connecting groove 111, the connecting groove 111 comprises an opening groove 1111 for the protrusion 211 to enter and a limiting groove 1112 for limiting the protrusion 211 to come out. The rear end of the main shell 21 is detachably provided with an end cover 5.

[0033] Based on the above embodiment, the utility model wants to solve is provide a kind of modularization electric spray gun, including the gun body module 1 and host module 2 being split setting, the gun body module 1 includes gun body body 11 and nozzle assembly 12, the nozzle assembly 12 is detachably arranged at the front end of gun body body 11, the rear end of gun body body 11 is provided with first connecting mechanism, the host module 2 includes host casing 21 and fan assembly, the host casing 21 is used as holding handle, the fan assembly is arranged in host casing 21, the front end of host casing 21 is equipped with second connecting mechanism, the gun body module 1 with the host module 2 is detachably connected by the cooperation of first connecting mechanism and second connecting mechanism. The utility model uses the design of modularization, first, the design of modularization can realize the general use of parts between different models of spray gun, reduces the number of spare parts of inventory reserve, reduces production cost, for example, when the specification requirement of host module 2 is different (low power: such as 400W, high power: such as 1000W), same gun body module 1 can still be shared, so that the adaptability between parts is higher, which can reduce the cost of mould opening, and it is beneficial to reduce product cost.Secondly, the design of modularization can also realize the quick replacement between parts, for example, when 400W spray gun is replaced by 1000W spray gun, 400W host module 2 can be directly screwed from gun body module 1, and 1000W host module 2 is installed, the replacement process compared with the replacement process of the parts of prior art spraying equipment, occupies less time and physical strength, to improve operating efficiency, reduce working cost.Furthermore, the design of modularization increases the functionality of product, such as gun body module 1 and / or end cover 5 are detached from host module 2, by installing other functional head on host module 2, other expansion functions, such as vacuum suction, dust removal function, etc., can be realized, increase the functionality of product.

[0034] In the embodiment, as shown in Figure 2 And Figure 3 The gun body module 1 and host module 2 are detachably connected by the cooperation of first connecting mechanism and second connecting mechanism, when installing, lug 211 is slid into aperture slot 1111, and host module 2 is rotated, so that lug 211 is slid into limiting slot 1112, to limit host module 2 from gun body body 11.

[0035] As another preferred scheme of the utility model, the gun body 11 is formed with an airflow channel corresponding to the main machine module 2, the nozzle assembly 12 comprises a nozzle 121 and an atomizing air cap 122 covering the nozzle 121, a first air passage is formed between the atomizing air cap 122 and the nozzle 121 and is communicated with the airflow channel, and the atomizing air cap 122 is detachably connected with the front end of the gun body 11. The gun body 11 is provided with a liquid pipeline 13, the liquid pipeline 13 is detachably fixedly connected with the gun body 11, one end of the liquid pipeline 13 is connected to the nozzle assembly 12, the other end of the liquid pipeline 13 is connected to the suction pipe 4, and the suction pipe 4 supplies liquid to the nozzle assembly 12 through the liquid pipeline 13. A second air passage is formed between the liquid pipeline 13 and the gun body 11, one end of the second air passage is communicated with the airflow channel, and the other end of the second air passage is communicated with the storage barrel 3. The liquid pipeline 13 is provided with a plug-in interface 131 extending towards the front end of the gun body 11, the center of the nozzle 121 is provided with a sleeve part 1211 extending into the gun body 11, the sleeve part 1211 is plug-in connected with the plug-in interface 131, so that the liquid pipeline 13 and the sleeve part 1211 cooperatively form a liquid channel for supplying liquid to the nozzle assembly 12. The main machine shell 21 is provided with a trigger 212 for controlling the power-on or power-off of the fan assembly.

[0036] In the embodiment, as shown in the figure, Figure 2 The liquid pipeline 13 is detachably arranged in the gun body 11, which is convenient to disassemble and assemble, and when the spray gun needs to be cleaned, the liquid pipeline 13 can be directly dismounted from the gun body 11, so that the liquid pipeline 13 can be cleaned separately, which makes the cleaning of the spray gun more convenient and thorough, effectively avoids the accumulation of residual liquid in the liquid pipeline 13, and improves the spraying effect and service life of the spray gun.

[0037] In the embodiment, as shown in the figure, Figure 2 When the liquid pipeline 13 is mounted, it is inserted into the gun body 11, so that the second air passage is formed between the gun body 11 and the liquid pipeline 13; and the sleeve part 1211 arranged at the rear end of the nozzle 121 is plug-in connected with the plug-in interface 131. In the embodiment, the main machine shell 21 is provided with a trigger 212 for controlling the power-on or power-off of the fan assembly. When the trigger 212 is pulled, the fan is started, two air pressures are formed in the gun body 11, the first air pressure enters the storage barrel through the airflow channel and the second air passage, so that the paint in the storage barrel enters the nozzle 121 through the suction pipe 4, the liquid pipeline 13 and the sleeve part 1211 under the action of the air pressure and is sprayed out of the nozzle 121; and the second air pressure flows to the periphery of the nozzle 121 through the airflow channel and the first air passage, so that the liquid paint sprayed out of the nozzle 121 is atomized.

[0038] As another preferred scheme of the utility model, it further comprises a storage barrel 3, the storage barrel 3 is detachably connected to the gun body body 11, the gun body body 11 is connected with the suction pipe 4, the storage barrel 3 supplies liquid to the nozzle assembly 12 by the suction pipe 4.In the embodiment, as shown in Figure 1 And Figure 2 The upper end of the suction pipe 4 is insertedly matched with the lower end of the liquid pipeline 13, so that the nozzle 121 is communicated with the suction pipe 4 through the liquid pipeline 13.In further embodiments, the user can replace the storage barrel 3 of different volumes according to needs, such as replacing the storage barrel 3 with smaller volume as shown in Figure 4 .

[0039] Obviously, the above embodiments are only examples for clearly illustrating, and not limit the embodiments. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments need not and can not be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A modular electric spray gun, characterized by: The gun body module (1) and the main machine module (2) are detachably connected through the cooperation of the first connecting mechanism and the second connecting mechanism.

2. A modular electric spray gun according to claim 1, wherein: The gun body module (1) and the main machine module (2) are detachably connected through the cooperation of the first connecting mechanism and the second connecting mechanism.

3. A modular electric spray gun according to claim 1, wherein: The gun body module (1) and the main machine module (2) are detachably connected through the cooperation of the first connecting mechanism and the second connecting mechanism.

4. A modular electric spray gun according to claim 2, wherein: The gun body module (1) and the main machine module (2) are detachably connected through the cooperation of the first connecting mechanism and the second connecting mechanism.

5. A modular electric spray gun according to claim 4, wherein: The gun body module (1) and the main machine module (2) are detachably connected through the cooperation of the first connecting mechanism and the second connecting mechanism.

6. A modular electric spray gun according to claim 4, wherein: The gun body module (1) and the main machine module (2) are detachably connected through the cooperation of the first connecting mechanism and the second connecting mechanism.

7. The modular electric spray gun of claim 1, wherein: The gun body module (1) and the main machine module (2) are detachably connected through the cooperation of the first connecting mechanism and the second connecting mechanism.

8. The modular electric spray gun of claim 1, wherein: ​ 9. The modular electric spray gun of claim 1, wherein: The rear end of the main housing (21) is detachably provided with an end cover (5).

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