JPH0513431Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention relates to a portable painting device that performs painting work while automatically supplying paint to a coating roller.The purpose of this invention is to reduce the load on the coating roller during painting operations. ,
The purpose is to reduce work effort.

(Prior art and its problems) Conventionally, as shown in Fig. 5, a coating device a that performs coating work while automatically supplying paint to a coating roller has a paint supply hose c extending from a pump b, and a shaft pipe d at the tip. A cylindrical roller core material e is pivotally supported on this shaft pipe d, and this roller core material e
A paint flow space f communicating with the shaft pipe d is held inside the roller core material e, and a paint flow hole g facing the paint flow space f is provided on the circumferential surface of the roller core material e.
is provided, and the peripheral surface of the roller core material e is covered with a roller cloth h.

According to such a conventional coating device a, there is a connection between a pump b, a paint supply hose c, a shaft pipe d, and a paint distribution space f.
The paint that has passed sequentially flows from the paint outflow hole g to the roller cloth h.
Since the paint is automatically replenished, continuous painting work can be performed without interruption without having to dip the roller cloth h in paint.

However, in this conventional coating device a, the entire inner space of the roller core material e is formed as a paint distribution space f, and the load on the roller core material e increases due to the load of the paint accumulated in this paint distribution space f. Painting required a lot of effort.

(Means for solving the problem) In this invention, a shaft pipe is connected to the tip of the paint supply hose extending from the pump, and a cylindrical roller core material is pivotally supported on this shaft pipe. A paint flow space communicating with the shaft pipe is held inside the roller core material, and a paint flow hole facing the paint flow space is formed on the circumferential surface of the roller core material. In a portable paint device covered with a roller cloth, the roller core material has a double cylinder structure consisting of concentric inner and outer cylinders, the paint circulation space is formed between the inner and outer cylinders, and the inner cylinder has a hollow space. A bearing pipe having a disc-shaped communication body interposed therein and communicating with the paint distribution space from the inner circumferential surface of the inner cylinder along the axis of the inner cylinder via a communication path inside the communication body. All of the above problems are solved by providing a portable painting device in which the bearing pipe is extended and the shaft pipe is inserted into the bearing pipe.

(Example) An embodiment of this invention will be described based on the drawings.

1 to 4 are diagrams for explaining an embodiment of this invention, and 1 in the figures indicates a portable painting device.

This portable coating device 1 consists of a storage case 2, a paint tank 3, a pump 4, an application roller 5, and a roller receiver 6, as shown in FIGS. 1 to 3.

The storage case 2 is shaped like a rectangular box, and a motor 7 as a pump drive source is housed inside.

The paint tank 3 is formed into a rectangular box shape and is detachably attached to the lower part of the storage case 2.

The pump 4 is installed vertically from the storage case 2, and its tip end is inserted into the paint tank 3.

The application roller 5 will be described later.

The roller receiver 6 is formed in a semi-cylindrical shape and is detachably attached to the side of the storage case 2.

The application roller 5 has a shaft pipe 8 and a roller core material 9.
, a roller cloth 10 , and a joint pattern 11 .

The tip of the shaft pipe 8 is bent into a U-shape, and its base end is removably connected to the tip of a paint supply hose 12 extending from the pump 4.

A handle 13 is inserted into the base of the shaft pipe 8, and the handle 13 is formed into a cylindrical shape with a larger diameter than the shaft pipe 8, and its tip is reduced in diameter and fitted onto the shaft pipe 8. Further, the base end portion of the shaft pipe 8 projects from the base end opening 14 .

A shaft pipe 8 is attached to the base end opening 14 of the handle 13.
A cap 15 is loosely fitted in a removable manner.

The roller core material 9 has a double cylinder structure consisting of concentric inner and outer cylinders 16 and 17, and a paint circulation space 18 is formed between the inner and outer cylinders 16 and 17.

A large number of paint outlet holes 19 facing the paint distribution space 18 are bored in the circumferential surface of the outer tube 17, and the circumferential surface of the outer tube 17 is covered with a roller cloth 10.

A communication body 20 is interposed in the center of the inner circumferential surface of the inner cylinder 16, and the communication body 20 is formed in the shape of a hollow disk, and an internal communication passage 21 communicates with the paint flow space 18.

A bearing pipe 23 extends from this communication body 20 along the axis 22 of the inner cylinder 16, and this bearing pipe 23 is connected to the paint distribution space 1 through a communication path 21.
It is connected to 8.

The tip of the shaft pipe 8 is removably inserted into the bearing pipe 23, and the roller core material 9 is rotatably supported by the shaft pipe 8 in an idle rotation state.

An expanded diameter portion 24 is formed at the tip of the shaft pipe 23, and an inward surface of the expanded diameter portion 24 is formed as a locking stepped portion 25.

On the other hand, a seal ring 27 that closes the tip opening 26 of the bearing pipe 23 is rotatably fitted into the shaft pipe 8, and a locking tool 28 is rotatably fitted.

The locking tool 28 has elastic clamping arms 30 extending parallel to the shaft pipe 8 from an annular base 29 that is rotatably fitted to the shaft pipe 8. Locking claws 31 are provided opposite to each other, and expansion levers 32 are respectively projected from the outer circumferential surface of the clamping pressure arm 30. It protrudes from the opening tip 33.

The roller core member 9 is removably attached to the shaft pipe 8 through engagement between the locking pawl 31 of the locking tool 28 and the locking step portion 25 of the bearing pipe 23.

The joint handle 11 has an expandable and retractable function consisting of inner and outer pipes 34 and 35, and a roller fitting 36 is attached to the tip of the inner pipe 35.

This roller fixture 36 is formed in a cylindrical shape, and a connection space 37 is formed in a concave shape on the circumferential surface of the roller fixture 36, and a cylindrical screw-in part communicating with this connection space 37 is provided at the tip of the roller fixture 36. pipe 38
is installed protrudingly.

The application roller 5 is detachably attached to the joint handle 11 through the threaded connection between the threaded pipe 38 and the base end opening 14 of the handle 13.

In this state, the tip of the shaft pipe 8 protrudes into the connection space 37, and this tip connects with the tip of the paint supply hose 12 inserted into the connection space 37 from the side of the roller fixture 36. Concatenated within.

In addition, in the figure, 39 is a handle, 40 is a shoulder belt, 4
1 is a battery storage part, 42 is a clamping plate, 43 is a locking protrusion, 44 is an engagement elongated hole, 45 is a paint replenishment port, 46 is a hook, 47 is an engagement hole, 48 is a spacer protrusion, 4
9 is a hanging tool.

The portable painting device 1 according to an embodiment of this invention is constructed as described above, and its usage will now be explained.

When performing painting work, the pump 4 is driven, and the paint in the paint tank 3 is transferred from the pump 4 to the communication path 2 between the paint supply hose 12, the shaft pipe 8, and the roller core material 9.
1. Paint outflow hole 1 sequentially through paint distribution space 18
9 to the roller cloth 10 automatically.

When the coating position is low, the process is carried out by grasping the handle 13, and when the coating position is high, the process is carried out by grasping the joint handle 11 connected to the handle 13.

When the coating work is interrupted and moved, the coating roller 5 is housed in the roller holder 6.

To perform cleaning after painting, the paint tank 3, pump 4, and paint supply hose 12 are removed from the storage case 2, and the paint supply hose 12 and roller core material 9 are also removed from the shaft pipe 8, and these are cleaned individually.

To remove the roller core material 9 from the shaft pipe 8, the respective tips of the expansion levers 32 are squeezed in the proximal direction to expand the locking pawls 31, and the locking pawls 31 and the locking steps 25 are engaged with each other. This is done by releasing the roller core material 9 from the shaft pipe 8.

(Effects) As explained above, in this invention, a shaft pipe is connected to the tip of the paint supply hose extending from the pump, a cylindrical roller core material is supported pivotally on this shaft pipe, and the roller core material A paint flow space communicating with the shaft pipe is held inside the roller core material, and a paint flow hole facing the paint flow space is formed on the circumferential surface of the roller core material. In a portable paint device covered with a roller cloth, the roller core material has a double cylinder structure consisting of concentric inner and outer cylinders, the paint circulation space is formed between the inner and outer cylinders, and the inner cylinder has a hollow space. A bearing pipe having a disc-shaped communication body interposed therein and communicating with the paint distribution space from the inner circumferential surface of the inner cylinder along the axis of the inner cylinder via a communication path inside the communication body. Since this is a portable painting device in which a bearing pipe is extended and the shaft pipe is inserted into the bearing pipe, the following effects can be achieved.

In other words, during painting work, paint accumulates only in the paint supply space formed between the inner and outer cylinders, and does not accumulate in the hollow part of the inner cylinder, which reduces the load on the roller core material and reduces the labor of painting work. be done.

[Brief explanation of the drawing]

Fig. 1 is a side view of a portable coating device according to an embodiment of the invention, Fig. 2 is a cross-sectional view, Fig. 3 is a cross-sectional view, Fig. 4 is an exploded view of the coating roller, and Fig. 5 is a side view of a portable coating device according to an embodiment of the invention. FIG. 2 is a diagram illustrating a prior art. 4... Pump, 8... Shaft pipe, 9... Roller core material, 10... Roller cloth, 12... Paint supply hose, 16... Inner cylinder, 17... Outer cylinder, 18... Paint distribution space, 19...Paint outflow hole, 20...Flower body, 21...Flow path, 22...Axis line, 23...Bearing pipe.

Claims (1)

[Scope of utility model registration request] A shaft pipe 8 is connected to the tip of a paint supply hose 12 extending from the pump 4.
A cylindrical roller core material 9 is pivotally supported on the roller core material 9, and a paint flow space 18 communicating with the shaft pipe 8 is held inside the roller core material 9, and the paint flow space 18 is provided on the circumferential surface of the roller core material 9. In a portable paint device in which a paint outflow hole 19 facing a space 18 is bored and the peripheral surface of the roller core material 9 is covered with a roller cloth 10, the roller core material 9 has a concentric inner and outer cylinder 1.
The paint circulation space 18 is formed between the inner and outer cylinders 16 and 17, and a communicating body 20 formed in the shape of a hollow disk is interposed in the inner cylinder 16. and the communication body 20 along the axis 22 of the inner cylinder 16 from the inner circumferential surface of the inner cylinder 16.
The paint distribution space 1 is
8 is extended, and the shaft pipe 8 is inserted into the bearing pipe 23.