JPH0618617Y2 - roller - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial field of application> The present invention relates to a roller for application / absorption of liquid or dust / cleaning.

<Prior Art> Conventionally, there has been a cleaning roller as shown in FIG. There was also a paint coating roller of similar construction. These are obtained by fixing the roll (a) used for each of the above purposes to a holding portion (b) that rotatably holds the roll (a). The holding portion (b) includes a shaft portion (c) that rotatably penetrates the roll (a), and a handle (d) for pressing and rolling the roll (a) onto the surface of another person. These rollers are, for example, those in which the cylindrical body (e) having an adhesive member on the outer peripheral surface is detachably mounted on the peripheral surface of the roll (a) (to be used for applying or absorbing liquid) When it is used for other purposes, use a cylindrical body corresponding to them on the outer peripheral surface). In other words, it has a structure that can be replaced with the same one if it becomes dirty and the cleaning power decreases.

<Problems to be solved by the invention> However, while such a roller is pressed and rolled by another person, the cylindrical body (e) fitted to the roll (a) is worn and comes off. There was a point. In addition, the recent ones often have the above-mentioned problems because the adhesive strength of the cylindrical body is improved.

The present invention aims to solve the above problems.

<Means for Solving Problems> Therefore, according to the present invention, a tubular body (1), a core member (2) serving as a core of the tubular body (1), and the core member (2) in the circumferential direction. A holding member (3) for rotatably holding the
The problems described above are solved by providing one having the following configuration.

In the roller according to the present invention, the outer peripheral surface of the core member (2) has a portion different in distance from the axis of rotation along its longitudinal direction, that is, a portion (20a) receding in the radially inward direction and a radially outward direction. It has a part (20) projecting to. On the other hand, the inner peripheral surface of the cylindrical body (1) has a shape corresponding to the undulation of the outer peripheral surface of the core member (2) along its longitudinal direction, that is, a portion (11) protruding in the radial direction.
And the portion (12) that recedes in the radial direction, engages with the outer peripheral surface of the core member (2) so as not to be rotatable in the circumferential direction and slidable in the axial direction. Further, a retaining member (4) is rotatably provided on at least one end surface of the core member (2), and the retaining member (4) is a portion (1) protruding in the radial direction of the tubular body.
A portion (41) having a diameter equal to or less than that of 1)
And a tubular body pressing portion (42) having a diameter larger than the diameter of the portion (11) protruding in the radial direction of the tubular body. The tubular body pressing portion (42) has a diameter smaller than the diameter of the portion (12) that recedes in the radially outward direction of the tubular body, and the circumference of the portion (12) that recedes in the radially outward direction of the tubular body. It has a circumferential width smaller than the lateral width. Then, the tubular body pressing portion (42) is located in a portion (12) that recedes in the radially outward direction of the tubular body, and the retaining member (4).
The temporary fixing mechanism (22) (44a) that temporarily stops the rotation of the
(2) and the retaining member (4) are provided.

A second invention of the present application provides a roller characterized in that the cylindrical body (1) has an absorbing member for a liquid or the like on its outer peripheral surface, and a third invention is the cylindrical body (1). ) Has a pressure-sensitive adhesive member for removing dust on its outer peripheral surface. And the 4th invention of this application is the above-mentioned holding member.
A roller (3) comprises a roller support part (31) and a grip part (32) connected to the roller support part (31).

<Operation> In the roller according to the present invention, the outer peripheral surface of the core member (2) has a portion (20a) that recedes in the radial direction and a portion (20) that projects in the radial direction, while the cylindrical body The inner peripheral surface of (1) has a shape corresponding to the undulations of the outer peripheral surface of the core member (2) along its longitudinal direction, that is, a portion (11) protruding in the radially inward direction and a radially outward retreat. It has a part (12) and a tubular body (1)
Is slidably mounted on the outside of the core member (2), but is not rotatable in the circumferential direction.

And, at least one end surface of the core member (2),
The retaining member (4) is rotatably provided, and the tubular body (1) is prevented from coming out of the core member (2) by adjusting the rotation position of the retaining member (4).

More specifically, the retaining member (4) has a tubular body pressing portion (42) having a diameter larger than the diameter of the portion (11) of the tubular body that projects in the radial direction. Therefore, this tubular body pressing portion
By positioning (42) at a portion (11) protruding in the radial direction of the tubular body, the end of the portion (11) and the tubular body pressing portion (42) are positioned.
It is possible to prevent the tubular body (1) from coming off from the core member (2) due to the contact with the.

Then, in the state in which the tubular body pressing portion (42) is located at the portion (11) protruding in the radial direction of the tubular body, the temporary fastening mechanism (22) for temporarily stopping the rotation of the retaining member (4). ) (44a) is provided on the core member (2) and the retaining member (4), the retaining member (4) is inadvertently rotated while the roller is in use, and the tubular body (1 ) Can be prevented from coming off from the core member (2).

On the other hand, the tubular body pressing portion (42) has a diameter smaller than the diameter of the portion (12) that recedes radially outward of the tubular body as described above, and the portion that recedes radially outward of the tubular body. Since it has a circumferential width smaller than the circumferential width of (12), the retaining member
When the tubular body pressing portion (42) is rotated to the position (12) that recedes in the radially outward direction of the tubular body, the tubular body (1) becomes the tubular body pressing portion (42). It is detached from the core member (2) without being disturbed by 42).

Thus, in the roller of the present invention, the retaining member
A use state in which the tubular body (1) does not fall off the core member (2) simply by rotating (4), and a replacement state in which the tubular body (1) can be easily removed from the core member (2). You can choose and.

<Embodiment> FIG. 1 is an exploded perspective view showing an embodiment of the present invention, FIG. 2 is a sectional explanatory view of a cylindrical body, FIG. 3 is a front view of a retaining member, and FIG. It is the IV-IV sectional view taken on the line of a figure.

A preferred embodiment of the present invention will be exemplarily described in detail below with reference to the drawings. However, the dimensions, shapes, materials, relative positions, etc. of the components described in this embodiment are not intended to limit the scope of the present invention to them unless otherwise specified. , It is just an example of explanation.

It should be noted that the up, down, left and right in the following description indicate the up, down, left and right in the figure.

As shown in FIG. 1, the roll of the embodiment has a tubular body (1),
A core member (2) that becomes the core of the tubular body (1), a holding member (3) that holds the core member (2) rotatably in the circumferential direction, and the core member (2)
And a retaining member (4) axially fixed to the end face (2a) of the cylindrical body (1) to prevent the tubular body (1) from coming off the core member (2).

The tubular body (1) has a hollow cylindrical shape, and an outer peripheral surface thereof is provided with an adhesive member, a dust removing absorbent member such as an adhesive tape, or a moisture absorbent member such as a sponge. Second on the inner surface
As shown in the drawing, the inner peripheral surface is used as a base portion (11), and the grooves (12) ... (12) are recessed from the base portion (11) and provided along the longitudinal direction of the tubular body (1). The shape and the number of the grooves (12) are not limited to those shown in the figure, and can be changed appropriately. Further, at both ends of this inner peripheral surface, a retaining member (4) described later is provided.
Retaining member loose fitting portions (13) and (13) for loosely fitting are respectively provided.

It should be noted that the loose-fitting member loose fitting portions (13) and (13) are configured such that, when the detachment-preventing member (4) is attached, the detachment-preventing member (4) does not project outward from the tubular body (1). Although the retaining member (4) is prevented from hitting the side wall when it is rolled, it does not matter if it is not provided.

The core member (2) is a portion whose outer peripheral surface is detachably attached to the inner peripheral surface of the tubular body (1). In the embodiment shown in the drawings, the cross-sectional shape is the same as or similar to the cross-sectional shape of the inner peripheral surface of the tubular body (1). The groove fitting insertion portions (20) ... (20) fitted into the grooves (12) of the tubular body (1) and the base fitting fitting portions (20a) ... (20a) fitted into the base portion (11), It is provided at an appropriate position on the outer peripheral surface of the core member (2) so as to engage with the inner peripheral surface of the tubular body (1).

Incidentally, the groove fitting insertion portions (20) ... (20) are the grooves (12) of the tubular body (1) ...
(12) It is not necessary to install it so that it fits in all, but the groove (12) ...
It may be less than the number in (12).

And, in the central portion of both end surfaces (2a) (2b), holding member insertion holes (21) (21) through which the holding member (3) is inserted are respectively provided, and the core member
(2) can rotate in the circumferential direction around the holding member (3) as an axis.

Further, the retaining member insertion holes (21) (21) are provided with a retaining member locking portion (24) integrally protruding outwardly around the periphery thereof. Further, a brim-shaped locking piece (24a) is projected toward the periphery in the middle of the outer circumference, and the retaining member (4) is strongly inserted so that it can be axially locked. The structure on the side of the retaining member (4) that receives the locking piece (24a) will be described later.

Further, the end surface (2a) on the retaining member (4) side has protrusions (22) (22).
Is provided so that the retaining member (4) can be positioned and the retaining member (4) can be locked to the core member (2).

The shape and number of the protrusions (22) (22) are not limited to this, and may be any shape, or may be two or more.
Alternatively, the protrusion may be provided on the retaining member (4) and the core member (2) may be provided with a locking portion for the protrusion.

The projections (23) ... (23) on the peripheral surface in the figure are in contact with the inner peripheral surface of the cylindrical body (1) and are elastically pressed so that the cylindrical body (1)
And, the core member (2) is more securely inserted and attached. Usually, the core member (2) is a hollow member and is formed by molding a thick portion of the core member. Furthermore, the core member (2) itself is inserted as an elastic body by being formed of a material having appropriate elasticity. Although it can be worn, the protrusions (23) ... (23) are provided as described above, and the protrusions (23) ... (23) are bent so that the movable width of the protrusions (23). The core member (2) can be contracted more reliably even in a low area.

The holding member (3) has a roller support portion (31) at one end and a grip portion (32) at the other end. Roller support (31)
Is a portion which is inserted into the holding member insertion holes (21) (21) of the core member (2) and pivotally supports the core member (2). Further, in the embodiment, a male screw portion (33) is provided at the tip as a locking means of the core member (2), and the nut (34) is screwed.

The locking means is not limited to this, of course,
It is sufficient to prevent the core member (2) from coming off the holding member (3).

As described above, the retaining member (4) has an outer peripheral surface having the same shape as the outer peripheral surface of the core member (2) as shown in FIGS. 3 and 4. Groove fitting insertion part (20) of (2)… (2
0), which is a portion corresponding to the cylindrical body pressing portions (42) ... (42), and the base insertion portion (41) corresponding to the base fitting insertion portions (20a) ... (20a) of the core member (2). ) ... (41) Cylindrical body pressing part
(42) ... (42) is a portion that presses the tubular body (1) to prevent it from coming off the core member (2), and is a shaft core that is pivotally locked by the core member (2) and rotates. The length (l ₂ ) from (0 ₁ ) to its tip is
The length of the tubular body (1) from the axis (0 ₂ ) of the rotating shaft to the base portion (11) is longer than (l ₁ ′) (shown in FIG. 2), and the tubular body is
The length (l ₂ ') from the axis (0 ₂ ) of the rotating shaft of (1) to the groove (12) is made shorter than that (shown in FIG. 2), and the width (l ₃ ) is also the groove (12). ) of width (l ₃ ') (set shorter than the second FIG illustrated), it is to be inserted only in the groove (12) of the tubular body (1). On the other hand, the base insert (41) ... (41), the length of the shaft core (0 ₁₎ (l _1), year cylindrical body (1) the length of (l ₁ ')
It is set shorter than. Then, when the arbitrary one cylindrical body pressing portion (42) ... (42) is aligned with the arbitrary one groove (12) of the cylindrical body (2), the other cylindrical body pressing portion (42) ... Each of the (42) corresponds to each of the grooves (12) ... (12) so that the retaining member (4) can be inserted through the inside of the tubular body (1).

Further, in the central portion of the retaining member (4), there is provided a shaft stop hole (43) which is axially fixed to the retaining member locking portion (24) of the core member (2), and the periphery thereof is provided with the core member (2). ) And the gripping part (24a) of the retaining member locking part (24), which is fitted to the locking piece fitting part (24a) of the retaining member (24). 43a) is provided at the corresponding position, and a nut loose fitting portion (45) is provided at the end so as not to hit the nut (34). In addition, a decorative hole is placed between the nut loose fitting part (45) and the outer peripheral surface.
(44)… (44) is provided to reduce the weight and the decorative hole (4
4) and the decorative hole (44) as a boundary between the pillar (44a) and the protrusion (22) (22) of the core member (2) for positioning and locking to the core member (2). It is a part to let.

Any material such as resin or iron can be used as the material of the retaining member (4).

Next, the assembling method will be described.

The retaining member (4) is forcibly inserted into the retaining member locking portion (24) of the core member (2) to stop the shaft.

The roller support portion (31) of the holding member (3) is inserted into the holding member insertion holes (21) (21) of the core member (2), and the nut (34) is screwed.

Then, the groove (12) of the tubular body (1) and the groove fitting insertion portion of the core member (2)
(20) and the tubular member pressing portion (42) of the retaining member (4) are matched,
The tubular body (1) is attached to the core member (2).

Rotate the retaining member (4) to project the protrusions (22) (22) of the core member (2).
The pillar portion (44a) of the decorative hole (44) of the retaining member (4) is inserted between them.

As a result, the tubular body pressing portion (42) of the retaining member (4) is
The part other than the groove (12) of (1) is fitted and pressed. Thus, the tubular body (1) will not come off from the core member (2).

With the above configuration, by rotating the retaining member (4), it is possible to press the tubular body (1) and prevent the tubular body (1) from falling off from the core member (2).

Furthermore, by making the shape of the outer peripheral surface of the retaining member (4) the same as the shape of the outer peripheral surface of the core member (2), when the tubular body (1) is pressed, the pressing area is increased, and it falls off. Will be able to be more certain.

Also, when the tubular body (1) is rotated in the circumferential direction, the core member (2)
It is not displaced and can be rotated integrally with the core member (2).

Therefore, even if the adhesive force on the outer peripheral surface of the tubular body (1) becomes strong,
The tubular body (1) will not be displaced from the core member in both the circumferential direction and the axial direction.

On the other hand, by rotating the tubular body pressing portion (42) of the retaining member (4) and aligning it with the groove (12) of the tubular body (1), it becomes possible to easily remove it.

In the present invention, the core member (2) has an outer peripheral surface constituted by portions (corresponding to l ₁ and l ₂ described above) having different distances from the shaft center, while the cylindrical body (2) The outer peripheral surface of 1) is
As long as it fits with a shape corresponding to the outer peripheral surface of the core member (2), the shape of the outer peripheral surface of the core member (2) as in the embodiment, the inner peripheral surface of the tubular body (1) Not limited to the shape, for example,
The cross-sectional shape of the core member (2) may be polygonal, elliptical or the like, and the shape of the inner peripheral surface of the tubular body (1) may be a shape corresponding thereto. What is considered is that the core member (2) has a circular cross-sectional shape and the axial core (0 ₁ ) is set to penetrate a position different from the center of the circle.

Further, the shape of the inner peripheral surface of the tubular body (1), or the shape of the core member, may not be provided entirely along the axial direction as in the embodiment, but may be provided at least at one end, It is effective.

<Effects of the Invention> As described in the above embodiments, in the present invention, the tubular body is prevented from being displaced from the core member in the circumferential direction and the axial direction.

As a result, even if the adhesive strength of the tubular body increases, it is possible to reliably prevent the tubular body from falling off.

In addition, it is possible to easily replace the tubular body in a short time.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of the present invention, FIG. 2 is a cross-sectional explanatory view of a tubular body, FIG. 3 is a front view of a retaining member, and FIG. 4 is IV- of FIG. FIG. 5 is a sectional view taken along line IV, and FIG. 5 is a front view showing a conventional example. (1) ... Cylindrical body, (2) ... Core member, (3) ... Holding member, (4) ... Prevention member, (11) ... Base part, (12) ... Groove, (20) ... Groove fitting insertion part, (20a)
... base fitting insertion part, (41) ... base insertion part, (42) ... tubular body pressing part.

Claims (4)

[Scope of utility model registration request] 1. A tubular body (1), a core member (2) which is a core of the tubular body (1), and a holding member (which holds the core member (2) so as to be rotatable in the circumferential direction. 3), the outer peripheral surface of the core member (2) is a portion having a different distance from the axis of rotation along its longitudinal direction, that is, a portion retracting in the radial direction.
(20a) and a portion (20) projecting outward in the radial direction, while the inner peripheral surface of the tubular body (1), along the longitudinal direction,
A shape corresponding to the undulations of the outer peripheral surface of the core member (2), that is, a portion (11) protruding in the radially inward direction and a portion (1) receding in the radially outward direction.
By having 2), it engages with the outer peripheral surface of the core member (2) so as not to be rotatable in the circumferential direction and slidable in the axial direction, and further, at least one end surface of the core member (2), The retaining member (4) is rotatably provided, and the retaining member (4) is a portion protruding in the radial direction of the tubular body.
A portion (41) having a diameter equal to or smaller than the diameter of (11)
And a tubular body pressing portion (42) having a diameter larger than the diameter of the portion (11) protruding in the radial direction of the tubular body, the tubular body pressing portion (42) is Has a diameter smaller than the diameter of the portion (12) that recedes in the radially outward direction, and has a circumferential width that is smaller than the circumferential width of the portion (12) that recedes in the radially outward direction of the tubular body. With the body pressing portion (42) positioned at the portion (12) that recedes in the radially outward direction of the tubular body, the temporary locking mechanism (22) (44a) that temporarily stops the rotation of the retaining member (4) is provided. , Core member (2) and retaining member
A roller provided in (4). 2. The roller according to claim 1, characterized in that the cylindrical body (1) has an absorbing member for a liquid or the like on its outer peripheral surface. 3. The roller according to claim 1, wherein the cylindrical body (1) has an adhesive member for removing dust on its outer peripheral surface. 4. The holding member (3) is a roller supporting portion (31).
And a grip portion (32) connected to the roller supporting portion (31), the roller according to claim 1, 2, or 3 of the utility model registration claim.