TW201300174A - Paint container structure of paint sprayer - Google Patents

Abstract

The invention provides a paint container structure of a paint sprayer. The paint container structure includes a main body, a cover and an air venting element. The main body is a container for containing the paint solvent. The opening of the main body provides the cover for clicking thereon. The cover includes a hollow adjoined section pivotally connected to the paint gun. A venting hole is disposed at an appropriate position on the cover. The venting hole penetrates a sleeve part disposed corresponding to the inner surface of the cover. The sleeve part includes an inner tube extending therefrom which sleeves to the venting element. An extending part of an outer tube is closely in contact with the sleeved part. When the main body rotates, the paint solvent between the venting element and the inner tube can flow to a container of the sleeved part through the wall of the inner tube so that air can still flow in the main body through the venting hole. Therefore, when the paint gun is used in projects in which, the paint solvent in the paint container can help keep the paint flowing smoothly.

Description

Painting container structure of spray gun

The paint container structure of the spray paint gun of the invention mainly refers to the purpose of not clogging the vent hole by the paint body, and maintaining the flow of air flow to maintain the innovative demand of the paint gun function.

The prior art disclosed in US Pat. No. 20100301049 A1 relates to a cover for a closable mixing container for a paint spray gun, the cover body being provided with a vent, the vent being formed to have three mutually embedded, and A labyrinth-shaped hermetic structure for allowing air to flow between the circular tubes; as described in the embodiment, an outer tube 11 is integrally formed with a cover 10, and another smaller tube 12 is provided. The cover member 13 is disposed at the bottom end of the outer tubular body 11 and the outer tubular body 11. The cover member 13 includes an upwardly extending circular tubular member 14 and the circle The length of the tubular member 14 is smaller than that of the circular tubular body 12 and the outer tubular body 11; a cover member 13 is inserted into the gap between the circular tubular body 12 and the outer tubular body 11 by the round tubular member 14, and the circular tubular body is closed by the cover member 13. The internal space of 12 is not completely closed; air can enter the space between the circular pipe body 12 and the outer tubular body 11 via the bottom end of the gap between the circular pipe body 12 and the outer tubular body 11, meaning a circular tubular member The position of the 14 devices; air can pass upwardly from the bottom end through the tubular member 14 and continue Circulation, and because of the particular shape of the cover member 13, allows air to enter again into the bottom end of the inner space 20 of the mixing cup (not shown); however, the internal space 20 can not be liquid paint Penetrating the air passage to the outside; on the one hand, due to the low pressure existing during operation, and on the other hand, due to the viscosity of the liquid, it is impossible to pass through the air passage, and the liquid can only enter at most the outer tubular body 11 and the round tubular member. The space between the 14 is a small distance without affecting the usability; according to the above, the living system is provided with a hollow outer tubular body 11 on the inner surface of a cover 10, and the circular tubular body 12 is disposed on In the outer tubular body 11, the circular tubular body 12 is hollow and is connected to the cover body as a vent; the other cover member 13 is disposed at the bottom end of the circular tubular body 12 and the outer tubular body 11, and A circular tubular member 14 provided by a cover member 13 is placed in the gap between the circular tubular body 12 and the outer tubular body 11; and the length of the circular tubular member 14 provided by the cover member 13 is shorter than that of the circular tubular body 12 and the outer portion The round pipe body 11 and the cover member 13 are not completely closed to the two pipe bodies 12, 11 to create an air flow passage; however, the connecting member 9 of the cover body 10 is engaged with the spray gun and turned over, and the internal space is The paint liquid of 20 can cause gas to flow into the inner space 20 due to the specific shape of the round tubular member 14 of the cover member 13, and the covered paint liquid flow Placed in the space of the outer tubular body 11 and the circular tubular member 14, although the action of the spray gun is not affected for a while, when the spray gun stops working or needs to be painted and the inner space 20 is turned positive, the outer tube is left. 11 and the remaining paint in the space of the circular tubular member 14 will flow into the bottom of the outer tubular body 11 and the circular tubular member 14, and will also flow into the bottom between the circular tubular body 12 and the circular tubular member 14, and The viscosity of the paint liquid will also adhere to the surface of each tube. If it is too long, the gap between the tubes will be reduced, which will affect the functional purpose of the vent. Therefore, it is necessary to improve the necessary needs. .

Therefore, in order to solve the problem between the round pipe body and the round tubular member of the above-mentioned cover body, the effect of the air gap formed is not good, and the paint accumulation is affected for a long time, which affects the airflow of the air vent, and the paint container is vacuum-like. Further, it affects the shortcomings such as smooth operation of the spray gun, and is the focus of the problem to be solved by the present invention.

The main object of the present invention is to provide a paint container structure for a paint spray gun, which can collect the paint solvent in the ventilating member in a capacity tank, and can maintain the air flow in the container, so that the spray gun can achieve smooth operation when it is used.

A secondary object of the present invention is to provide a paint container structure for a spray paint gun, which is simple in assembly and easy to reduce the product defect rate.

Another object of the present invention is to provide a paint container structure for a spray gun, in which each component assembly flange is assembled with a lip, and the assembly is easy to disassemble.

A further object of the present invention is to provide a paint container structure for a spray paint gun, which is designed for the attachment head of the creation, and can be positioned and fastened with the joint portion of the cover body to increase the convenience and quickness of use. .

The present invention provides a paint container structure of a spray gun; the main body is composed of a body, a cover body and a venting member; the body is a container for providing paint solvent, and a lip is provided at the open end thereof. Cover flanges interlocking each other And a convex step is provided on the near open end of the body for the cap of the cover body; and the cover body is coupled with an adapter ring to pivotally connect the hollow joint portion with the spray gun, and a vent hole is disposed at a suitable position on the surface of the cover body. The venting hole is formed through a sleeve portion provided on the inner surface of the cover body. The sleeve portion protrudes from the inner tube body, and is provided with a ring groove for providing a venting member buckle, wherein the inner surface of the ring groove is provided The flange can clamp the lip of the ventilating portion of the ventilating member; a venting member is a hollow tubular body, and one end of the venting member is provided with an expanding portion which can be fitted into the ring groove of the accommodating portion and the capacity groove of the opposite accommodating portion. a gap piece is arranged at the notch; an adapter ring is provided with an external thread at one end for screwing with the spray gun, and the other end of the ring surface is provided with a plurality of through holes for fastening at the flange of the hollow joint portion of the cover body, and the adapter ring The flow path ring step is a hollow joint portion with respect to the cover body, and the stack is sealed tightly; according to the body when the body is turned over, the paint solvent liquid in the body flows through the inner tube body wall to the capacity groove of the sleeve portion, so that The gap between the inner tube and the venting member can still be kept clear, and the air can be circulated through the inner tube and the ventilating hole. The tip clearance flow by.

In order to enable the reviewing committee to have a more specific understanding and understanding of the effects of the present invention, the following three-dimensional exploded view of the present invention and a partial cross-sectional view of the present invention are detailed as follows: a body 50 is a The container may be provided with a paint solvent, and a lip 51 is provided at the open end to be fastened to the flange 31 of the cover 30, and a convex step 52 is provided at the near end of the body 50 for the cap 32 of the cover 30 to abut; The cover 30 cooperates with an adapter ring 60 to connect the hollow joint portion 33 with the spray gun The venting hole 341 is disposed at a suitable position on the surface of the cover body 30. The venting hole 341 extends through the sleeve portion 34 disposed on the inner surface of the cover body 30. The sleeve portion 34 protrudes from the inner tube body. 35, and is provided with a ring groove 36 for providing a venting member 40, wherein the inner surfaces of the ring groove 36 are respectively provided with a flange 361 for clamping the lip 411 of the expansion portion 41 of the venting member 40, and the cover body 30 is provided with a wrench 38 at a suitable position of the cap 32 for the user to disassemble the cover body 30 and the body 50; a venting member 40 is a hollow tube body having an expansion portion 41 at one end thereof, which can be fitted into the sleeve The ring groove 36 of the joint portion 34 is further provided with a blocking piece 42 at the gap of the capacity groove 37 of the opposite sleeve portion 34. An adapter ring 60 is provided with an external thread 61 at one end for screwing with the spray gun and the other end to be opposite to the spray gun. The flange 331 of the hollow engaging portion 33 of the cover body 30 is provided with a plurality of through holes 62 for fastening, and the ring 63 of the adapter ring 60 has a ring-shaped step which is opposite to the hollow joint portion 33 of the cover body 30. The paint container structure of the spray gun, as shown in Figure 3.

Continuing to refer to FIG. 4 is a schematic cross-sectional perspective view of the present invention. One end of the adapter ring 60 is provided with an external thread 61 for providing a lock with the lance, and the other end of the ring is provided at a flange 331 of the hollow joint portion 33 of the opposite cover 30. The hole 62 is for fastening, and the adapter ring 60 has a flow path 63 which is a hollow joint portion 33 opposite to the cover body 30; a cover body 30 in which the air joint portion 33 has its flange 331 and the adapter ring 60 After the through hole 62 is engaged, and the cover body 30 is provided with a vent hole 341 communicating with the capacity slot 37, the air can be along the gap between the venting member 40 and the inner tube body 35 of the tying portion 34. 43. Circulate with the inner container of the body 50 to achieve air circulation in the body 50, as shown in Fig. 5 is a plan view of the present invention.

Please refer to FIG. 6 for a schematic diagram of the implementation of the present invention. When the present invention is screwed together with the spray gun, the overall paint is in an inverted state. At this time, the paint solvent which is the gap 43 between the venting member 40 and the inner tubular body 35 will flow to the inverted body. The sleeve portion 34 is in the capacity slot 37, and air is circulated from the vent hole 341 through the gap 40 between the venting member 40 and the inner tube body 35 into the body 50, so that the body 50 does not generate internal pressure, and the paint solvent can be smoothly passed through a filter. 70 flows through the hollow joint portion 33 of the lid body 30 and then flows to the flow passage 63 of the adapter ring 60 to enter the spray gun actuator.

In view of the above, it is only a possible embodiment of the present invention, and the scope of the present invention is not limited thereto; that is, any equivalent changes and modifications made in accordance with the scope of the present invention should still be covered by the present invention. Within the scope.

In summary, when the invention is industrially usable and progressive, and the creation is not found in any publication, it is also novel. When it meets the requirements of the Patent Law, it is required to file a patent application in accordance with the law. The quasi-patent is a prayer.

30‧‧‧ cover

31,361,331‧‧‧Flange

32‧‧‧ Cap

33‧‧‧ hollow joint

34‧‧‧ Included

341‧‧‧vents

35‧‧‧ inner tube

36‧‧‧ Ring groove

37‧‧‧ capacity slot

38‧‧‧ wrench

40‧‧‧Ventilator

41‧‧‧Expansion Department

42‧‧‧Block

43‧‧‧ gap

50‧‧‧ body

51, 411‧‧‧ lips

52‧‧‧ convex steps

60‧‧‧Adapter ring

61‧‧‧ external thread

62‧‧‧through hole

63‧‧‧ flow path

70‧‧‧Filter

Fig. 1 is a perspective exploded view of the present invention.

Figure 2: A partial cross-sectional view of the combination of the present invention.

Figure 3: A perspective view of the invention.

Figure 4 is a schematic perspective view of a cross section of the present invention.

Figure 5: Schematic diagram of the invention.

Figure 6 is a schematic view showing the implementation of the present invention.

30‧‧‧ cover

33‧‧‧ hollow joint

331‧‧‧Flange

34‧‧‧ Included

35‧‧‧ inner tube

37‧‧‧ capacity slot

38‧‧‧ wrench

40‧‧‧Ventilator

41‧‧‧Expansion Department

50‧‧‧ body

51‧‧‧ lip

52‧‧‧ convex steps

60‧‧‧Adapter ring

61‧‧‧ external thread

62‧‧‧through hole

63‧‧‧ flow path

Claims (8)

The paint container structure of a spray paint gun mainly comprises: a body, a container capable of providing a paint solvent, a lip provided at an open end thereof for fastening with a flange of the cover body; a cover body coupled with a transfer The ring pivotally connects the hollow joint portion with the spray gun, and a vent hole is formed at a suitable position on the surface of the cover body, the vent hole penetrates through the sleeve portion provided with respect to the inner surface of the cover body, and is provided with a venting member buckle. a venting member; a venting member is provided with an expanding portion at one end of the hollow tubular body, which can be fitted into the annular groove of the fitting portion, and a blocking piece is disposed at the gap of the capacity slot of the opposite fitting portion; After the structure and the spray gun are screwed together, the whole body is inverted. At this time, the paint solvent which is originally in the gap between the ventilating member and the inner tube body will flow into the capacity groove of the fitting portion after being inverted, and the air will be ventilated through the venting member and the inner portion. The tube body gap flows into the body, so that the body does not generate internal pressure, and the paint solvent can be smoothly put into the spray gun. For example, the paint container structure of the spray gun of claim 1 is characterized in that a proximal end of the body is provided with a convex step for the cap of the cover body. The paint container structure of the spray gun of claim 1, wherein the inner surface of the ring groove of the cover body is provided with a flange, and the lip of the expansion portion of the ventilation member can be clamped. The paint container structure of the spray gun of claim 1, wherein the cover body is provided with a wrench at a suitable position of the cap to facilitate the user to disassemble the cover body. With the body. The paint container structure of the spray gun of claim 1, wherein the hollow joint of the cover body is engageable with an adapter ring and a sprayer. The paint container structure of the spray gun of claim 5, wherein one end of the adapter ring is provided with an external thread to provide a lock with the spray gun, and the other end of the ring surface is provided with a plurality of through holes at the flange of the hollow joint portion of the opposite cover body. Fastener. The paint container structure of the spray gun of claim 5, wherein the adapter ring has a runner ring step which is a hollow joint portion with respect to the cover body. The paint container structure of the spray gun of claim 5, wherein the hollow joint of the cover body can be matched with a filter.