JP2506926Y2 - Roller brush body - Google Patents

Description

[Detailed description of the device] [Industrial applications]

The present invention relates to a structure of a roller brush main body used, for example, in applying a paint.

[Background of device]

As a roller brush used for applying the paint, there is a roller brush main body shown in FIG. 5 in which a roller cover shown in FIG. 6 is inserted and fixed (Japanese Utility Model Publication No. 55-122877). Here, the roller cover 1 is, for example, a paper cylindrical body 2 covered with a cloth 3 or the like. On the other hand, in the roller brush main body 4, rollers 7a and 7b are attached to a shaft 6 attached to the tip of the handle portion 5, and there are 5 to 6 wire attaching portions of the roller 7a and the roller 7b. The wire 8 is suspended. Both ends of the wire 8 are formed in a substantially V shape, and a central portion thereof is formed in a convex curved shape. The both ends 8a, 8b of the wire 8 in a substantially V shape (the roller 7a is partially cut away). From the illustration, roller 8b is shown although 8a is shown.
8b is not shown because a part of it is not shown. However, 8b has the same relationship as 8a. ) Is inserted into the wire mounting portion 9 of the rollers 7a and 7b, both end portions 8a and 8b of the rollers 7a and 7b are deformed and regulated and fixed. The roller cover 1 used during the work is taken out from the roller brush main body 4 after the application work is completed, and a new roller cover 1 is inserted and attached for reuse. By the way, in this type of roller brush, after a long time has passed, the roller cover 1 has the roller brush main body 4
It is not properly fixed on the surface, and the coating workability is reduced. Furthermore, since the deformation pressure is constantly applied from both ends 8a, 8b of the wire 8, the rollers 7a, 7b are deformed and irregularities are formed, which not only deteriorates the appearance but also the roller cover 1
Insertion workability is poor and durability is poor. Further, since the roller brush main body uses 5 to 6 wires, there are problems that the number of parts is as high as 8 to 9, assembly workability is poor, and parts management is troublesome. .

[Disclosure of device]

A first object of the present invention is to provide a roller brush body in which the roller cover is favorably fixed to the roller brush body and has good coating workability. A second object of the present invention is to provide a roller brush main body having a good roller cover insertion workability. A third object of the present invention is to provide a roller brush main body having high durability (the number of times of repeated use is high). A fourth object of the present invention is to provide a roller brush main body which has a small number of parts and is easy to assemble. The object of the present invention is a roller brush main body to which a roller cover is attached, wherein a side wall portion, a plurality of standing pieces standing upright from the side wall portion, and a projecting curve toward the outside of the standing piece, A first roller brush half body in which a spring portion whose tip is formed as a free end and a hooking portion which is formed at the tip of a standing piece are integrally molded, a side wall portion, and a plurality of standing upright pieces from this side wall portion. Standing piece of
A second roller brush half body in which a spring portion projecting and curved toward the outside of the standing piece and having a tip formed at a free end and a hooking portion formed at the tip portion of the standing piece are integrally molded. The first roller brush half is hooked on the side wall of the second roller brush half, and the second roller brush half is hooked on the first side. It is achieved by a roller brush main body characterized by being hooked on a side wall portion of a roller brush half body.

【Example】

1 to 4 show one embodiment of the roller brush main body according to the present invention, and FIG. 1 (a), (b), (c)
And (d) are a front view, a plan view, a right side view, and a left side view of a roller brush half body for forming a roller brush main body arranged on a shaft formed at a tip portion of a handle portion. 2 (a), (b) and (c) are a left side view, a front view and a right side view of the tip cap disposed on the tip side of the roller brush body, and FIGS. ) And (c) are a left side view, a front view, and a right side view of a root cap arranged on the root side of the roller brush main body.
FIGS. (A) and (b) are a front view and a cross-sectional view of a roller brush main body in which the roller brush halves of FIG. 1 are combined with each other, and a tip cap and a root cap are disposed on the roller brush halves. 11 is a roller brush half formed by using a predetermined plastic material.
Is a side wall portion 12 on the left end side, flat plate portions 13a and 13b extending from the side wall portion 12 to the right side, a notch portion 14 formed between the flat plate portions 13a and 13b, and a flat plate. Claws 15a, 15b formed at the tips of the parts 13a, 13b and spring parts 16a, 16b, 16c, 16d formed in a convex curved shape at the upper and lower ends of the flat plate parts 13a, 13b.
And holes 17 for locking the claws 15a and 15b formed in the side wall portion 12.
a, 17b and support members 18a, 18b for supporting the flat plate portions 13a, 13b. As can be seen from FIGS. 1 (a), (c) and (d), the upper and lower ends of the spring portions 16a, 16b, 16c, 16d formed in the convex curved shape are formed by the flat plate portions 13a, 13b. When the roller cover as shown in FIG. 6 which protrudes further outward (upper and lower) from the upper and lower ends and has the inner diameter as the dimension between the upper and lower ends of the flat plate portions 13a and 13b is inserted, the spring portions 16a, 16b, 16c and 16d are bent inward, and the roller covers are fixed by the restoring force of the spring portions 16a, 16b, 16c and 16d themselves. And, with the roller cover removed, no force is acting on the spring portions 16a, 16b, 16c, 16d,
The spring portions 16a, 16b, 16c, 16d are in a free state and are configured so that no strain stress acts on them. Reference numeral 19 denotes a tip cap disposed on the roller brush half body 11. The tip cap 19 is also formed by molding a predetermined plastic material, and has an outer shape portion 20 and an outer shape portion.
An inner shape part 21 that concentrically regulates the claw parts 15a and 15b inside the 20
And Reference numeral 22 denotes a root cap disposed on the roller brush half body 11, and this root cap 22 is also formed by molding a predetermined plastic material, and concentrically arranged on the inner side of the outer shape portion 23. It has an inner shape part 24 for restricting 15b and a collar 25 for restricting the position of the roller cover. Two roller brush halves 11 configured as above,
When the tip cap 19 and the root cap 22 are used one by one, they are assembled as shown in FIG. 4, that is, two roller brush halves 11 are first arranged so that the flat plate portions 13a and 13b are out of phase with each other by 90 °. Then, when inserted into each other, the tip portions of the flat plate portions 13a, 13b are sandwiched and supported by the supporting members 18a, 18b of the other roller brush half body,
The claw portions 15a, 15b are locked in the holes 17a, 17b of the other roller brush half body, and the roller brush half bodies 11 are assembled together. In this combined state, as can be seen from FIG. 4 (b), the flat plate portions 13a and 13b are formed in a cross shape,
90 ° by spring parts 16a, 16b, 16c, 16d, 16a, 16b, 16c, 16d
A spring part is configured every other place. Then, the tip end cap 19 and the root cap 22 are attached to the combination of the pair of roller brush halves 11 to obtain the roller brush main body. Then, the roller brush main body configured as described above is attached to the tip end shaft of the handle portion, and the roller cover as shown in FIG. 6 is inserted into the roller brush main body to obtain the roller brush. This roller brush is stored with the roller cover removed after use, and a new roller cover is inserted for use, but the spring parts 16a, 16b, 16c, 16d are free during storage. The spring portions 16a, 16b, 16c, 16d are not released, and no force acting on the spring portions 16a, 16b, 16c, 16d is acting. Therefore, no strain stress is acting on the spring portions 16a, 16b, 16c, 16d. Therefore, the durability of this part is high.
Therefore, since the restoring force of the spring portions 16a, 16b, 16c, 16d is favorably maintained for a long period of time, the roller cover can be favorably retained repeatedly, and good coating workability is repeatedly ensured. Furthermore, as shown in FIG. 5, both ends 8a, 8b of the wire 8 are
Since it is not always subjected to the deformation pressure, the unevenness is not formed, the appearance is not deteriorated, and the insertion workability of the roller cover is not deteriorated. Further, as shown in FIG. 5, the roller brush main body does not use a large number of wires, so that the number of parts does not increase, assembly workability is good, and parts management is easy. In addition, in the above-mentioned embodiment, the spring portion is formed in two places on both sides, but it may be only one place in the center or three places such as the center and both sides, and the number thereof is a roller brush. It may be appropriately determined according to the length of the main body. In the above embodiment, the spring parts 16a, 16b, 16c, 16d are made of the same plastic material as the roller brush half body 11, but the spring parts 16a, 16b, 16c, 16d are made of a metal material and other The part may be made of a plastic material.

【effect】

The roller brush main body according to the present invention is a roller brush main body to which a roller cover is attached, and includes a side wall portion, a plurality of standing pieces standing upright from the side wall portion, and a protruding curve outward of the standing piece. Then, the first roller brush half body in which the spring portion whose tip is formed at the free end and the hooking portion formed on the tip of the standing piece are integrally formed, the side wall portion, and the standing portion from this side wall portion. The plurality of standing pieces, the spring portion projecting and curved toward the outside of the standing piece, the tip of which is formed at the free end, and the hooking portion formed at the tip of the standing piece are integrally molded. A second roller brush half body, wherein the first roller brush half body has a hooking portion hooked on a side wall portion of the second roller brush half body, and the second roller brush half body. Since the latching part of the first roller brush half is hooked on the side wall part of the first roller brush half, The roller cover is held well, so the coating workability is excellent, and the roller cover insertion workability and roller brush assembly workability are also excellent, and the number of parts is small and the cost is low. It has some features.

[Brief description of drawings]

1 to 4 show a roller brush body 1 according to the present invention.
FIGS. 1 (a), (b), (c) and (d) show an embodiment, and a roller for constituting a roller brush main body arranged on a shaft formed at a tip portion of a handle portion. It is a front view, a plan view, a right side view and a left side view of the brush half,
2 (a), (b) and (c) are a left side view, a front view and a right side view of a tip cap disposed on the tip side of the roller brush body, and FIGS. b) and (c)
FIG. 4A is a left side view, a front view and a right side view of a root cap disposed on the root side of the roller brush main body, and FIGS. 4A and 4B show the roller brush halves of FIG. FIG. 5 is a front view and a cross-sectional view of a roller brush main body in which a tip cap and a root cap are arranged in combination, FIG. 5 is an explanatory view of a conventional roller brush main body, and FIG. 6 is an explanatory view of a roller cover. 11 …… Roller brush half, 12 …… Side wall, 13a, 13b…
… Flat plate part (standing piece), 14 …… Notch part, 15a, 15b …… Claw (locking part), 16a, 16b, 16c, 16d …… Spring part, 17a, 17b ……
Hole, 18a, 18b ... Supporting member, 19 ... Tip cap, 20 ...
… External part, 21 …… Internal part, 22 …… Root cap, 23 ……
Outer shape part, 24 …… Inner shape part, 25 …… Bill.

Claims (1)

(57) [Scope of utility model registration request] 1. A roller brush main body to which a roller cover is attached, wherein a side wall portion, a plurality of upright pieces standing upright from the side wall portion, and a protruding curve toward the outside of the upright piece, the tip of which is provided. The first roller brush half body (11) in which the spring portion formed at the free end and the hooking portion formed at the tip of the standing piece are integrally molded, the side wall portion, and the side wall portion are erected. A plurality of upright pieces, a spring portion projecting and curved toward the outside of the upright pieces and having a tip formed at a free end, and a hooking portion formed at the tip of the upright piece are integrally molded. A second roller brush half body (11), wherein the first roller brush half body has a hook portion hooked on a side wall portion of the second roller brush half body, and the second roller brush half body (11). The locking part of the half body is hooked on the side wall part of the first roller brush half body. Body brush body.