Novel disposable multifunctional washing-free paint spraying pot and adapter thereof

By employing a control diaphragm in the paint can to control the air inlet without cleaning, the problems of cleaning the paint can and automatic air intake control are solved, achieving a highly efficient and environmentally friendly painting process, reducing costs and environmental pollution.

CN224010096UActive Publication Date: 2026-03-20SHANGHAI XIEYANSHI GRINDING MATERIALS & GRINDING TOOL
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing paint sprayers require cleaning after use, resulting in low work efficiency, serious environmental pollution, and increased costs. At the same time, the air inlet cannot be automatically controlled, affecting ease of use and cost.

Method used

A multifunctional, wash-free spray paint can is designed. It uses a control diaphragm to seal the air inlet under normal pressure and opens it during spraying through negative pressure from the spray gun. The air inlet and adapter are integrated into the can lid to achieve automatic air intake without manual operation.

Benefits of technology

It achieves a spraying process that requires no cleaning, reduces solvent use, lowers environmental pollution and production costs, improves ease of use, is suitable for various spray guns, and ensures a constant paint flow rate.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224010096U_ABST
Patent Text Reader

Abstract

The utility model discloses a novel disposable multifunctional washing-free paint spraying pot which comprises a pot body and a pot cover which are connected in a screwed mode, a round adapter is arranged in the middle of the pot cover, an air inlet nozzle with a conical face is arranged on the pot cover, an air inlet module is arranged in the air inlet nozzle, and the air inlet module is provided with a control diaphragm which seals the air inlet nozzle under normal pressure. When the spray gun sprays, the control diaphragm is opened through negative pressure to realize communication between the kettle body and external air; and a plurality of T-shaped clamping blocks which are clamped and matched with the adapters are arranged on the outer wall of the adapter. A paint spraying pot adapter comprises an adapter body, a cross-shaped clamping groove is formed in the inner wall of the adapter body, the cross-shaped clamping groove is matched with a clamping block on an adapter opening in a clamping mode, and the clamping faces of the cross-shaped clamping groove are arc faces. The spray gun can be matched with an adapter to be used on various spray guns, and color matching, spraying, quick replacement and sealed storage can be achieved; the spraying can does not need to be cleaned, workload is reduced, solvent usage amount is reduced, environmental pollution is effectively improved, production cost is reduced, and an air inlet does not need to be manually opened and closed in the whole spraying process.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a novel disposable multifunctional no-washing paint spraying pot and its adapter belong to paint spraying pot technical field. BACKGROUND

[0002] The paint spraying pot is a tool commonly used in the automobile repair and paint spraying industry, which can uniformly spray paint on the target surface and provide efficient, fast and accurate spraying effect.

[0003] The paint spraying pot on the market has single use function, and needs to be cleaned after use or when the paint color needs to be changed, which greatly reduces the work efficiency and also wastes a large amount of paint cleaning solvent. The cleaning solvent, as a chemical product, pollutes the environment to some extent, needs to be operated carefully, and the post environmental protection treatment also needs to be done, which will increase the cost of using the paint spraying equipment. At the same time, the existing paint spraying pot generally adopts an inverted type, that is, the bottom of the paint spraying pot is upward during use, and the air inlet is arranged at the bottom. When the paint is sprayed out, the external air automatically enters the inside of the paint spraying pot from the air inlet. However, the air inlet cannot be temporarily closed after being opened during the overall use of the existing paint spraying pot, which leads to the problem that the inside, especially after long time placement, cannot be used again. Some paint spraying pots with air inlets arranged with covers mostly adopt the plug-in or rotating mode of the cover, but undoubtedly, manual conversion operation of air inlet and sealing is needed. In addition, the pot cover of the paint spraying pot is usually connected with the spray gun through a conversion head, so that a specific structure for connecting with the adapter is needed to be designed on the pot cover, and the air inlet structure also needs to be designed on the paint spraying pot. Therefore, the paint spraying pot and the pot cover need to be additionally processed and installed, which is time-consuming and laborious and also increases the cost.

[0004] Therefore, there is an urgent need in the art for a paint spraying pot which does not need to be cleaned, can be used multiple times, effectively improves environmental pollution and reduces production cost, and the air inlet and the adapter structure can be integrated on the pot cover and do not need manual air inlet conversion. CONTENT OF THE UTILITY MODEL

[0005] In order to solve the above technical problems, the utility model provides a novel disposable multifunctional no-washing paint spraying pot and its adapter, which has multiple functions, such as color adjustment, spraying, quick replacement and sealed storage, does not need to be cleaned, reduces the workload and the amount of solvent used, effectively improves environmental pollution and reduces production cost, and the air inlet and the adapter function of the paint spraying pot are designed on the pot cover and do not need manual air inlet conversion, which is convenient and fast.

[0006] In order to achieve the above technical purposes and effects, the application realizes the following technical solutions.

[0007] The utility model provides a new type of disposable multifunctional no -wash paint spraying pot, including the body and the cover, the body and the cover are through thread detachable connection, the middle part of cover is equipped with the adapter port for with adapter head connection, is equipped with the air inlet nozzle with the body intercommunication on the cover, is equipped with the air hole that communicates with outside atmosphere on the air inlet nozzle, the air inlet module is detachably arranged in the air inlet nozzle, the air inlet module has control diaphragm, is equipped with the conical surface in the air inlet nozzle with control diaphragm cooperation to control the opening and closing of air hole, control diaphragm is attached to the conical surface under normal pressure and closes the air hole, when the spray gun sprays, the negative pressure when the spray gun sprays makes control diaphragm far away from the conical surface in the air inlet nozzle realizes the intercommunication of air hole and air inlet module inner chamber.

[0008] Preferably, the control diaphragm is a piece with thick middle and thin sides, the side of the control diaphragm facing the conical surface in the air inlet nozzle is flat and abuts against the conical surface of the air inlet nozzle.

[0009] Further, the side of the air inlet nozzle away from the body is provided with an opening, the air inlet module includes an air inlet cover, the air inlet cover is detachably arranged in the opening of the air inlet nozzle, the conical surface used in cooperation with the control diaphragm is arranged on the inner top wall of the air inlet cover, the air inlet cover is provided with an air inlet port one communicating with the inner chamber of the air inlet nozzle and the air hole.

[0010] Further, the side of the air inlet nozzle facing the body is provided with an opening, the conical surface is arranged on the inner wall of the side of the air inlet nozzle away from the opening of the air inlet nozzle, the air inlet module includes a sealing cover, the sealing cover is detachably arranged in the opening of the air inlet nozzle to limit the control diaphragm, the sealing cover is provided with an air inlet port two communicating with the inner chamber of the air inlet nozzle and the air hole.

[0011] Still further, the side of the control diaphragm away from the conical surface is provided with a stand, the projection of the stand on the vertical direction is located on the control diaphragm and the projection area is less than the surface area of the control diaphragm, the end face of the end of the stand away from the control diaphragm is provided with an air vent groove communicating with the air hole or the air inlet port two, the air vent groove communicates with the inner chamber of the air inlet nozzle through a plurality of air vent holes on the circumferential wall of the stand.

[0012] Still further, the inner bottom wall of the air inlet nozzle and the sealing cover are both provided with a positioning groove facilitating positioning of the stand.

[0013] Further, the side of the air inlet nozzle facing the body is provided with an opening, the conical surface is arranged on the inner wall of the side of the air inlet nozzle away from the opening of the air inlet nozzle, the air inlet module includes a mounting cover integrally formed with the control diaphragm and a springing piece, the mounting cover is detachably arranged at the opening of the air inlet nozzle, the springing piece is arranged between the mounting cover and the control diaphragm, the mounting cover is provided with an air inlet port three communicating with the inner chamber of the air inlet nozzle and the air hole.

[0014] Preferably, the adapter is a circular adapter, and a plurality of clamping blocks adapted to be clamped to the adapter are arranged on the outer wall of the adapter.

[0015] Further, the clamping blocks are arranged in a T shape, and each clamping block comprises an arc-shaped semicylindrical block arranged along the circumferential direction of the adapter and a radial cylindrical block arranged along the radial direction of the adapter, one end of the radial cylindrical block is fixed to the middle of the arc-shaped semicylindrical block, and the other end is connected to the upper surface of the lid, and the two ends of the arc-shaped semicylindrical block are rounded.

[0016] In the second aspect, the utility model provides a kind of paint spraying pot adapter, including adapter body, adapter body is equipped with for being connected with the thread or clamping structure of spray gun, the adapter body is connected with the novel disposable multifunctional no-wash paint spraying pot described above and adapts, cross type clamping groove is opened in the inner wall of adapter body and is clamped to the clamping block on the adapter, and the clamping surface of cross type clamping groove is all circular arc surface.

[0017] The novel disposable multifunctional no-wash paint spraying pot and the adapter thereof provided by the utility model have the following advantages.

[0018] 1. The novel disposable multifunctional no-wash paint spraying pot of the utility model is suitable for being used on a gravity type paint spraying gun, and can be used on various spray guns in cooperation with the adapter. The paint spraying pot has multiple functions, such as color adjustment, spraying, quick replacement and sealed storage. The paint spraying is performed in a non-vacuum mode, so that the paint flow is ensured, and the color difference caused by the paint flow is avoided without changing the spraying mode. The weight of the paint spraying pot is only about 30% of the weight of a self-provided paint spraying pot of a spray gun, so that the paint spraying pot has a better hand feeling and is less likely to cause fatigue. The remaining single-component paint in the spraying operation can be safely stored for spraying on the next workpiece, so that waste is avoided. The paint spraying pot does not need to be cleaned, so that the workload is reduced, the amount of solvent used is reduced, the environmental pollution is effectively improved, and the production cost is reduced.

[0019] 2. In the novel disposable multifunctional no-wash paint spraying pot of the utility model, the control diaphragm is attached to the air inlet in a normal pressure state to prevent air circulation and ensure that the liquid is not volatilized. When the spray gun is used for spraying, the control diaphragm is opened by the negative pressure generated during spraying of the spray gun to allow air to flow into the pot, so that a vacuum is not formed in the pot to ensure that the liquid flow rate is not affected. The air inlet does not need to be manually opened and closed during the entire spraying process, which is convenient and fast. The air inlet and the adapter are both arranged on the lid, so that the manufacturing and assembly costs are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 FIG. 1 is a structural schematic view of a novel disposable multifunctional no-wash paint spraying pot according to the utility model embodiment one;

[0021] Figure 2The utility model provides an explosive structure schematic diagram of a new type of disposable multifunctional no-washing paint spraying pot for the embodiment one of the utility model.

[0022] Figure 3 The utility model provides a full section schematic diagram of a new type of disposable multifunctional no-washing paint spraying pot for the embodiment one of the utility model.

[0023] Figure 4 For Figure 3 The utility model provides a full section schematic diagram of a new type of disposable multifunctional no-washing paint spraying pot for the embodiment one of the utility model.

[0024] Figure 5 The utility model provides a full section schematic diagram of a new type of disposable multifunctional no-washing paint spraying pot for the embodiment one of the utility model.

[0025] Figure 6 The utility model provides a full section schematic diagram of a new type of disposable multifunctional no-washing paint spraying pot for the embodiment one of the utility model.

[0026] Figure 7 The utility model provides a full section schematic diagram of a new type of disposable multifunctional no-washing paint spraying pot for the embodiment one of the utility model.

[0027] Figure 8 The utility model provides a full section schematic diagram of a new type of disposable multifunctional no-washing paint spraying pot for the embodiment one of the utility model.

[0028] In the drawing,

[0029] 1-pot body;2-pot cover;21-adapting interface;22-air inlet nozzle;221-ventilation opening;222-positioning groove;23-limiting protrusion;3-air inlet module;31-control diaphragm;311-stand;3111-ventilation groove;3112-ventilation hole;32-air inlet cover;321-air inlet one;33-sealing cover;331-air inlet two;34-mounting cover;341-air inlet three;35-elastic pressing piece;4-conical surface;5-clamping block;51-arc semicylindrical block;52-radial cylindrical block;6-filter screen;7-adapting head body;71-cross type clamping groove. Specific implementation

[0030] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the application.

[0031] Embodiment one:

[0032] Refer to Figures 1-4The utility model provides a new type of disposable multifunctional no -wash paint spraying pot, including the pot body 1 and the pot cover 2, the pot body 1 and the pot cover 2 are detachably connected through thread, the middle part of pot cover 2 is integrally formed with the adapter interface 21 for connecting with adapter head, and then is connected with spray gun through adapter head, and the air inlet nozzle 22 that communicates with the pot body 1 is integrally formed on the pot cover 2, the air inlet nozzle 22 is the cavity structure of arbitrary shape, the air inlet nozzle 22 is provided with the air vent 221 that realizes the communication of pot body 1 with the outside atmosphere, and the air inlet module 3 is detachably installed in the air inlet nozzle 22, the air inlet nozzle 22 is provided with the tapered surface 4 that is used to control the opening and closing of air vent 221 with control diaphragm 31 cooperation, and control diaphragm 31 is tightly attached to tapered surface 4 under normal pressure and closes air vent 221, prevents liquid from flowing out, when spray gun sprays, the negative pressure of spray gun spraying makes control diaphragm 31 far away from the tapered surface 4 in the air inlet nozzle 22, and then realizes the communication of air vent 221 with the inner cavity of air inlet nozzle 22, so that the communication of pot body 1 with the outside air is realized, makes air flow into the pot, ensures that the pot does not form vacuum, to ensure that the flow rate of liquid is not affected, in the embodiment, the air inlet nozzle 22 is preferably circular cavity structure, and control diaphragm 31 adopts circular diaphragm.

[0033] Further, control diaphragm 31 is the sheet body that middle thick two sides are thin, and the side of control diaphragm 31 towards the tapered surface 4 in the air inlet nozzle 22 is provided with plane and is located with the tapered surface 4 of air inlet nozzle 22, and then when the down pressure of liquid in paint spraying pot is greater, control diaphragm 31 is attached more tightly, and the possibility of liquid flowing out and air leakage is further reduced.

[0034] Referring to Figures 2-4 The side of air inlet nozzle 22 away from the pot body 1 is provided with opening, and the air inlet module 3 includes air inlet cover 32, and air inlet cover 32 is the cover body that is matched with the shape of air inlet nozzle 22, in the embodiment, air inlet cover 32 is circular cover body, air inlet cover 32 is detachably covered in the opening of air inlet nozzle 22, air inlet cover 32 and air inlet nozzle 22 adopt transition fit or interference fit and are inserted, and the tapered surface 4 used in cooperation with control diaphragm 31 is arranged on the inner top wall of air inlet cover 32, air inlet 321 that communicates with the inner cavity of air inlet nozzle 22 and air vent 221 is formed in air inlet cover 32, control diaphragm 31 is installed between the inner wall of air inlet cover 32 and the inner wall of air inlet nozzle 22, control diaphragm 31 controls the communication of air inlet 321 and air vent 221 on air inlet nozzle 22 through the negative pressure change, and then the communication of the inner cavity of pot body 1 with the outside air can be realized through air inlet nozzle 22.

[0035] Referring to Figures 2-4The control diaphragm 31 is integrally formed with a column 311 on the side away from the conical surface 4. The projection of the column 311 on the control diaphragm 31 in the vertical direction has an area smaller than the surface area of the control diaphragm 31. The column 311 can be any shape. In this embodiment, the column 311 is preferably a cylinder coaxially arranged with the control diaphragm 31. The diameter of the column 311 is smaller than the diameter of the control diaphragm 31 on the side connected with the column 311. Thus, the column 311 ensures the close contact of the control diaphragm 31 on the air inlet 321 of the air inlet cover 32 without affecting the opening and closing effect of the control diaphragm 31. The end face of the column 311 away from the control diaphragm 31 is provided with an air passage groove 3111 in communication with the air passage 221. The air passage groove 3111 is in communication with the inner cavity of the air inlet nozzle 22 through a plurality of air holes 3112 on the peripheral wall of the column 311.

[0036] Further, a positioning groove 222 is formed on the inner bottom wall of the air inlet nozzle 22 for positioning the column 311. The positioning groove 222 is a circular groove with a diameter slightly larger than the diameter of the column 311, so as to facilitate the installation and positioning of the column 311 and the control diaphragm 31, and ensure the close contact effect, and at the same time, the control diaphragm 31 has a certain flexibility between the air inlet cover 32 and the air inlet nozzle 22.

[0037] Referring to Figure 1 and Figure 2 , the adapter 21 is a circular adapter 21. A plurality of clamping blocks 5 adapted to be clamped with the adapter are integrally injection molded on the outer wall of the adapter 21. The plurality of clamping blocks 5 are uniformly arranged in the circumferential direction of the adapter 21. The clamping block 5 is arranged in a "T" shape. The clamping block 5 includes an arc-shaped semicircular block 51 arranged in the circumferential direction of the adapter, and a radial cylindrical block 52 arranged in the radial direction of the adapter. The radial cylindrical block 52 is fixedly connected at the middle of the arc-shaped semicircular block 51, and the other end is connected with the upper surface of the kettle cover 2. The two ends of the arc-shaped semicircular block 51 are rounded.

[0038] Referring to Figure 2 and Figure 3 , a plurality of limiting protrusions 23 are integrally formed on the inner wall of the kettle cover 2. A filter screen 6 is detachably clamped and installed between the inner walls of the kettle cover 2 through the plurality of limiting protrusions 23. The filter screen 6 is installed close to the air inlet nozzle 22, so as to filter impurities in the paint through the filter screen 6. The kettle body 1 can also be provided with a marking scale (not shown in the figure) as a basis for color matching, which is prior art and will not be described in detail.

[0039] Referring to Figure 5 and Figure 6The utility model also provides a paint spraying pot adapter, including adapter main part 7, the adapter main part 7 is integrally formed with the thread or the clamping structure for being connected with spray gun, can design adaptation according to the spray gun connection demand of need use, for prior art, do not make too much description, the adapter main part 7 is connected with the novel disposable multifunctional no-wash paint spraying pot of the application and adapts, the cross type card slot 71 that the adapter main part 7 inner wall is provided with is clamped with the clamping block 5 on the adapter interface 21 and adapts, the clamping face of cross type card slot 71 is all arc surface, the length of the arc groove body portion that cross type card slot 71 and arc semicircular block 51 correspond clamping is longer than the length of arc semicircular block 51, the adapter main part 7 can adopt plastic or stainless steel material, in the embodiment, the adapter main part 7 is preferably plastic material with deformation ability.

[0040] When the adapter main part 7 is connected with the adapter interface 21 on the pot cover 2, only need to align the clamping block 5 with the cross type card slot 71, then press the cross type card slot 71 on the adapter and insert to the clamping block 5 on the pot cover 2 by enough external force, during insertion, since the adapter has certain deformation ability, the clamping block 5 is inserted into the adapter by extrusion, until the cross type card slot 71 and the arc semicircular block 51 are clamped, at this time, the arc semicircular block 51 and the radial cylindrical block 52 are inserted into the cross type card slot 71 correspondingly, the adapter connection port restores the original state to realize the limiting of the clamping block 5, and then realize the installation and fixation of the pot cover 2 and the adapter, and the installation mode is convenient and fast.

[0041] Embodiment two:

[0042] Refer to Figure 7 The difference between the embodiment and embodiment one is that the air inlet nozzle 22 is arranged on the side of the pot body 1, and the tapered surface 4 is integrally formed on the inner wall of the side of the air inlet nozzle 22 away from the opening of the air inlet nozzle 22, and the air inlet module 3 comprises a cover 33, the cover 33 is detachably inserted into the opening of the air inlet nozzle 22 by transition fit or interference fit to limit the control diaphragm 31, the cover 33 is provided with a second air inlet 331 communicated with the inner cavity of the air inlet nozzle 22 and the air vent 221, and the control diaphragm 31 used in cooperation with the cover 33 is also integrally formed with a stand 311, and the positioning groove 222 is arranged on the cover 33.

[0043] Embodiment three:

[0044] Refer to Figure 8The difference between the embodiment and the embodiment one is that the air inlet nozzle 22 is arranged to open towards one side of the kettle body 1, the conical surface 4 is integrally formed on the inner wall of the side of the air inlet nozzle 22 away from the opening of the air inlet nozzle 22, the air inlet module 3 comprises an installation cover 34 and a springing piece 35 integrally formed with the control diaphragm 31, the installation cover 34 is detachably inserted at the opening of the air inlet nozzle 22 by means of transition fit or interference fit, the springing piece 35 is integrally formed between the installation cover 34 and the control diaphragm 31, and can be supported or compressed according to the change of the negative pressure, so as to drive the control diaphragm 31 to be close to or away from the air vent 221 on the air inlet nozzle 22, the air inlet 341 is arranged on the installation cover 34 and communicates with the inner cavity of the air inlet nozzle 22 and the air vent 221, so that the inner cavity of the kettle body 1 can be communicated with the air outside through the air inlet nozzle 22.

[0045] In the feasible embodiment, the structure of the air inlet nozzle 22 and the air inlet module 3 can also be installed at the bottom of the kettle body 1 to realize the control without manual regulation of on-off, and too much redundant description is not made.

[0046] The above is only the preferred embodiment of the utility model, and is not any form and substantial limitation of the utility model. It should be noted that the ordinary skilled in the art can make some improvements and supplements without departing from the utility model, and these improvements and supplements should be regarded as the protection range of the utility model. The skilled in the art can make some changes, modifications and equivalent changes of the above disclosed technical contents without departing from the spirit and scope of the utility model, which are equivalent embodiments of the utility model; meanwhile, any equivalent change, modification and evolution of the above-mentioned embodiments according to the essential technology of the utility model are still within the range of the technical scheme of the utility model.

Claims

1. A novel disposable multi-functional no-wash spray paint bottle, comprising a bottle body (1) and a bottle lid (2), wherein the bottle body (1) and the bottle lid (2) are detachably connected by threads, characterized in that, The lid (2) is provided with an adapter (21) in the middle for connecting with an adapter. The lid (2) is provided with an air inlet (22) that communicates with the body (1). The air inlet (22) is provided with a vent (221) that communicates with the outside atmosphere. An air inlet module (3) is detachably provided inside the air inlet (22). The air inlet module (3) has a control diaphragm (31). The air inlet (22) is provided with a conical surface (4) that cooperates with the control diaphragm (31) to control the opening and closing of the vent (221). Under normal pressure, the control diaphragm (31) fits against the conical surface (4) to seal the vent (221). When the spray gun is sprayed, the negative pressure during the spray gun spraying causes the control diaphragm (31) to move away from the conical surface (4) inside the air inlet (22), thereby realizing the communication between the vent (221) and the inner cavity of the air inlet (22).

2. The novel disposable multifunctional no-wash spray paint bottle as described in claim 1, characterized in that, The control diaphragm (31) is a sheet that is thick in the middle and thin at both sides. The control diaphragm (31) is arranged in a plane facing the conical surface (4) inside the air inlet (22) and abuts against the conical surface (4) of the air inlet (22).

3. A novel disposable multifunctional no-wash spray paint bottle as described in claim 2, characterized in that, The air inlet (22) is set with an opening on the side opposite to the body (1). The air inlet module (3) includes an air inlet cover (32). The air inlet cover (32) is detachably set in the opening of the air inlet (22). The conical surface (4) that works in conjunction with the control diaphragm (31) is set on the inner top wall of the air inlet cover (32). The air inlet cover (32) is provided with an air inlet (321) that communicates with the inner cavity of the air inlet (22) and the air vent (221).

4. A novel disposable multifunctional no-wash spray paint bottle as described in claim 2, characterized in that, The air inlet (22) is opened on one side facing the body (1), and the conical surface (4) is disposed on the inner wall of the side of the air inlet (22) away from the opening of the air inlet (22). The air intake module (3) includes a cover (33), which is detachably disposed in the opening of the air inlet (22) to limit the control diaphragm (31). The cover (33) is provided with an air inlet 2 (331) that communicates with the inner cavity of the air inlet (22) and the air vent (221).

5. A novel disposable multifunctional no-wash spray paint bottle as described in claim 3 or 4, characterized in that, A column (311) is provided on the side of the control diaphragm (31) away from the conical surface (4). The projection of the column (311) in the vertical direction is located on the control diaphragm (31) and the projected area is smaller than the surface area of ​​the control diaphragm (31). A ventilation groove (3111) is provided on the end face of the column (311) away from the control diaphragm (31) and communicates with the ventilation port (221) or the second air inlet (331). The ventilation groove (3111) communicates with the inner cavity of the air inlet (22) through multiple ventilation holes (3112) on the side wall of the column (311).

6. A novel disposable multifunctional no-wash spray paint bottle as described in claim 5, characterized in that, The bottom wall of the air inlet (22) and the cover (33) are both provided with positioning grooves (222) to facilitate the positioning of the column (311).

7. A novel disposable multifunctional no-wash spray paint bottle as described in claim 2, characterized in that, The air inlet (22) is opened on one side facing the body (1). The conical surface (4) is disposed on the inner wall of the air inlet (22) away from the opening of the air inlet (22). The air intake module (3) includes a mounting cover (34) integrally formed with the control diaphragm (31) and a spring pressure plate (35). The mounting cover (34) is detachably disposed at the opening of the air inlet (22). The spring pressure plate (35) is disposed between the mounting cover (34) and the control diaphragm (31). The mounting cover (34) has an air inlet three (341) that communicates with the inner cavity of the air inlet (22) and the air vent (221).

8. A novel disposable multifunctional no-wash spray paint bottle as described in claim 1, characterized in that, The adapter (21) is a circular adapter (21). Multiple snap-fit ​​blocks (5) that are adapted to snap-fit ​​the adapter are provided on the outer wall of the adapter (21). The multiple snap-fit ​​blocks (5) are evenly spaced around the circumference of the adapter (21).

9. A novel disposable multifunctional no-wash spray paint bottle as described in claim 8, characterized in that, The snap-fit ​​block (5) is T-shaped. The snap-fit ​​block (5) includes an arc-shaped semi-cylindrical block (51) arranged along the circumferential direction of the snap-fit ​​interface and a radial cylindrical block (52) arranged along the radial direction of the snap-fit ​​interface. One end of the radial cylindrical block (52) is fixed to the middle of the arc-shaped semi-cylindrical block (51), and the other end is connected to the upper surface of the lid (2). Both ends of the arc-shaped semi-cylindrical block (51) are rounded.

10. A paint spray bottle adapter, comprising an adapter body (7), the adapter body (7) having a threaded or snap-fit ​​structure for connection with a spray gun, characterized in that, The adapter body (7) is connected and adapted to the novel disposable multi-functional no-wash spray paint bottle as described in claim 9. The inner wall of the adapter body (7) is provided with a cross-shaped slot (71) that is adapted to engage with the snap-fit ​​block (5) on the adapter interface (21). The snap-fit ​​surfaces of the cross-shaped slot (71) are all arc surfaces.