JP2520059Y2 - Magnet fixing structure - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magnet fixing structure for fixing a magnet to a molded product such as a rack made of synthetic resin or the like.
In particular, the present invention relates to a magnet fixing structure capable of fixing a molded product such as a rack to a wall surface having gentle unevenness.

16 and 17 are exploded perspective views showing a conventional structure for fixing a magnet to a molded product.

In FIG. 16, 1 is a magnet formed in a square shape. 2 is a yoke attached to the magnet 1,
It is formed according to the size of the magnet 1. Reference numeral 3 is a molded product, and a recess 4 is formed in which the magnet 1 to which the yoke 2 is attached is fitted and attached. Reference numeral 5 denotes an adhesive (including a double-sided tape or the like), which is applied or attached to the magnet mounting surface 2a of the yoke 2 and the inner wall 4a of the recess 4.

According to the magnet fixing structure having such a structure, the magnet 1 is attached to the yoke 2 with the adhesive 5, and then fixed to the recess 4 of the molded product 3 together with the yoke 2 with the adhesive 5. Has become.

The magnet fixing structure shown in FIG. 17 has holes 1a and 1a in the central portion of the magnet 1 and the central portion of the yoke 2, respectively.
2b is formed, and the magnet 1 and the yoke 2 are fixed by the eyelets 6 that pass through these holes 1a and 2b. And, like the fixing structure shown in FIG. 5,
The magnet 1 with the yoke 2 attached is molded with the adhesive 5
It is adapted to be fixed in the recess 4 of the.

[0006]

The above-mentioned conventional magnet fixing structure has the following problems.

Each magnet 1 is molded with an adhesive 5 to form a molded product 3
It was supposed to be fixed to. For this reason, as shown in FIG. 18, when the wall surface W has a gentle unevenness, a slight gap C is formed between the magnet 1 and the wall surface W and the magnet 1 and the wall surface W do not come into close contact with each other. There was a problem that it would not be possible to secure a strong mounting force with.

An object of the present invention is to provide a magnet fixing structure in which a magnet is in close contact with a wall surface and a molded product can be firmly attached even if the wall surface has a gentle unevenness.

[0009]

In order to achieve the above object, a magnet fixing structure of the present invention is a magnet fixing structure for fixing a magnet to a molded article, and a magnet mounting yoke and a yoke for mounting the magnet. The through hole is formed, and a supporting portion that penetrates the through hole and supports the yoke rotatably in the vertical and horizontal directions with respect to the molded product is provided.

[0010]

[Advantageous Effects] Since the present invention has the above-mentioned configuration, it has the following operational effects.

That is, since the yoke for mounting the magnet is supported by the support portion so as to be rotatable in the vertical and horizontal directions with respect to the molded product, even if the wall surface has a gentle unevenness, it does not correspond to the wall surface. Rotate to bring the magnet into close contact with the wall surface. Therefore, the magnetic force of the magnet is secured and the molded product is firmly attached to the wall surface.

As described above, according to the magnet fixing structure of the present invention, there is an effect that even if there are gentle irregularities on the wall surface, the magnet can be closely attached to the wall surface to firmly mount the molded product.

[0013]

【Example】

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is an exploded perspective view showing an embodiment of a magnet fixing structure according to the present invention, and FIG. 2 (a) is a vertical sectional view.

As shown in these figures, the magnet fixing structure of this embodiment has a square magnet 10 and a magnet 1.
It has a yoke 11 to be attached to 0, a through hole 11a formed in the yoke 11, a projection 12 as a supporting portion for supporting the yoke 11, and a pin member 13.

The protrusion 12 is integrally formed on the magnet mounting surface of the molded product 14, and as shown in FIG. 2A, is a cylinder which penetrates the through hole 11a of the yoke 11 with a slight gap C. It is formed in a shape.

The pin member 13 is formed in such a shape that it fits into the tip of the projection 12, and the projection 1 is formed by an adhesive or a welding means (for example, an ultrasonic transducer by an ultrasonic bonding method).
It is fixed to 2. The diameter of the head portion 13a of the pin member 13 is formed to be larger than the diameter of the through hole 11a of the yoke 11 so that the yoke 11 does not come off from the protrusion 12.

A recess 15 is formed in the lower center of the magnet 10. As shown in FIG. 2A, the recess 15 has
A gap C1 is provided between the head member 13a of the pin member 13 and the head member 13a of the pin member 13 so that the pin member 13 can rotate in the vertical and horizontal directions. It has a shape that it has. That is, the yoke 1
As shown in FIG. 2 (b), the reference numeral 1 is rotatable in the vertical and horizontal directions with respect to the molded product.

Reference numerals 17 and 17 denote ribs projecting from both sides of the projecting portion 12 of the molded product 14 at regular intervals. As shown in FIG. 2A, the ribs 17 and 17 are provided on both sides 11 of the yoke 11 when the yoke 11 is attached to the molded product 14.
b and 11b are arranged with a small gap C2 therebetween, and serve to prevent the yoke 11 from rotating more than necessary in the left-right direction (the arrow X direction in FIG. 1).

Next, the procedure for fixing the magnet 10 to the molded product 14 will be described.

First, the through hole 11a of the yoke 11 is passed through the protrusion 12 of the molded product 14 so that the yoke 11 is arranged between the ribs 17, 17. After that, the pin member 13 is fixed to the protrusion 12 by using an adhesive or a welding means. After that, the magnet 10 is fixed to the yoke 11 with an adhesive or the like. Thereby, the magnet 10 can be fixed to the molded product 14.

According to such a magnet fixing structure, since the yoke 11 is attached to the molded product 14 so as to be rotatable in the vertical and horizontal directions, even if the wall surface W has a gentle unevenness, the magnet 10 can be formed. 2 rotates as shown in FIG. 2B and comes into close contact with the wall surface W. Therefore, the magnet 10
The magnetic force is secured and the molded product 14 is firmly attached to the wall surface W.

FIG. 3 is a front view of a detergent case holder as an example of a molded product having a magnet fixing structure according to the present invention, FIG. 4 is a plan view thereof, FIG. 5 is a bottom view thereof, and FIG. 6 is a rear view thereof. 7 is a right side view of the same, FIG. 8 is a sectional view taken along the line AA of FIG. 3, and FIG. 9 is a sectional view taken along the line BB of FIG.

In these drawings, 50 is a base, 5
Reference numerals 1 and 52 are support frames arranged in parallel on the upper and lower sides of the front surface of the base 50. These base 50 and support frames 51, 52
Are made of ABS resin or the like.

The base portion 50 is a plate-like member having a round upper portion, and as shown in FIG. 8, a peripheral edge portion 51a is curved and formed into a substantially semi-elliptical cross section. As shown in FIG. 6, the magnet 1 is attached to the back of the base 50 by the magnet fixing structure described above.
Two 0s are attached on each side. Reference numeral 17 is a rib that suppresses rotation in the left-right direction.

As shown in FIG. 3, a support member 53a for respectively supporting the support frames 51 and 52 is integrally formed on the peripheral edge portion 50a of the base portion 50.

As shown in FIG. 10A, the support 53a
A through hole 55 penetrating the back surface 50b of the peripheral edge portion 50a is formed in the upper portion of the side surface portion 54. A plate-shaped arm contact piece 56 is integrally projectingly provided at the end of the side surface portion 54, and a notch 57 is formed in the upper portion. Reference numeral 56a denotes a hook integrally formed on the lower portion of the arm contact piece 56, and is provided only on the support tool 53a that supports the support frame 51. It is not provided on the support tool 53 a that supports the support frame 52.

As shown in FIGS. 3, 4, and 7, the support frame 51 is integrally formed in a U-shape in plan view, and supports the detergent case S between itself and the base portion 50.

The support frame 52 is formed deeper than the support frame 51, and a bottom plate 52a on which the detergent case S is placed is integrally provided. As shown in FIG. 8, the support frame 51,
The upper portions 51a and 52c of 52 are formed thick.

In FIG. 3, 58, 58 are support frames 51,
52 is a rotation support portion provided at right angles to both ends of the base portion 52.
It is adapted to be supported by the support tool 53a of 0. As shown in FIG. 10A, the rotation support portions 58 are each formed to have a size corresponding to the support tool 53a of the base 50, and the through hole is formed at a position corresponding to the through hole 55 of the support tool 53a. A support shaft 59 that is loosely fitted to 55 is provided in a protruding manner. The support frames 51 and 52 are rotatably supported in the arrow Y direction in FIG. 7 by penetrating the support shaft 59 into the through hole 55. As a result, the support frames 51 and 52 are
As shown in (b), the entire case holder can be made compact by folding it upward.

As shown in FIG. 7, when the support frames 51 and 52 are set in the use state, the rear surface portion 58a of the rotation support portion 58 is shown.
Comes into contact with the arm abutment piece 56 of the support tool 53a, and the support frame 5
The rotations of 1, 52 are fixed. FIG.
As shown in (a) and (b), at the upper part of the back surface portion 58a, when the back surface portion 58a contacts the arm contact piece 56,
Protrusion 58b that fits into the notch 57 of the arm contact piece 56
Is provided to prevent the rotation support portion 58 from coming off from the support tool 53a toward the support shaft 59.

The rear surface portion 58 of the rotation support portion 58 of the support frame 51.
A vertical groove 58c is formed in a. A step portion 58d is provided below the vertical groove 58c, and the rear surface portion 58a is provided.
The hook 56a of the arm abutting piece 56 fits when the abutting piece abuts on the arm abutting piece 56.

As shown in FIGS. 5, 6 and 8, 52b is a hook portion, which is provided at an end portion of the bottom plate 52a of the support frame 52. The hook portion 52b is a groove 50 formed in the lower end portion of the base portion 50 when the support frame 52 is set in the used state.
The rotation of the support frame 52 is fixed by fitting it into a.

As shown in FIGS. 11A and 11B, the detergent case holder having such a structure is attached to the side surface W of a washing machine or the like to support the detergent case S. In this case, since the magnet 10 is attached to the base 50 so as to be rotatable in the vertical and horizontal directions, even if the side surface W of the washing machine has a gentle unevenness, the magnet 10 rotates corresponding to the side surface W. It will come into close contact. As a result, the magnetic force of the magnet 10 is secured and the detergent case holder is firmly attached to the side surface W, so that a heavy detergent case can be stably supported. In particular, the side surface W of a recent washing machine is often formed into a gently curved surface, so the magnet fixing structure of this embodiment is useful.

Although one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications can be made.

For example, the yoke 11 in the magnet fixing structure
The shapes of the through hole 11a, the projection 12 of the molded product 14, and the pin member 13 are not limited to those in the above-described embodiment, and as shown in FIG. 13, the through hole 21, the projection 22, and the pin member 2 are formed.
Each of 3 may be a rectangle. In this case, the concave portion of the magnet (not shown) is formed so that the pin member 23 can be rotated in the vertical and horizontal directions corresponding to the size of the head portion 23a of the pin member 23.

By making each part rectangular as described above,
Since the yoke 20 is restrained from rotating unnecessarily in the left-right direction (the arrow X direction in the drawing), the ribs 17, 17 formed in the above-mentioned embodiment need not be provided.

Further, as shown in FIG. 14, a recess 31 into which the yoke 30 is loosely fitted is formed on the magnet mounting surface of the molded product 14, and a pin member 33 is fitted to the projection 32 provided in this recess 31. The yoke 30 may be fixed.
Also in this case, the yoke 30 is prevented from coming into contact with the inner side of the recess 31 and rotating more than necessary in the left-right direction (the arrow X direction in the drawing). , There is no need to provide.

Further, as shown in FIG.
The protrusion 40 is integrally provided on the
After fitting, the tip end portion 40a of the protrusion 40 may be flattened by melting using a melting means (not shown) so that the yoke 41 does not fall off. In this case, the pin member is unnecessary, and the number of parts can be reduced.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a magnet fixing structure according to the present invention.

FIG. 2A is a vertical sectional view of the same, and FIG. 2B is a vertical sectional view showing a state where a magnet is rotated.

FIG. 3 is a front view of a detergent case holder as a molded product having a magnet fixing structure according to the present invention.

FIG. 4 is a plan view of the same.

FIG. 5 is a bottom view of the same.

FIG. 6 is a rear view of the same.

FIG. 7 is a right side view of the same.

8 is a sectional view taken along line AA of FIG.

9 is a cross-sectional view taken along the line BB of FIG.

FIG. 10 (a) is an exploded enlarged perspective view of a support frame mounting portion,
(B) is an enlarged front view of a main part of the support frame.

11A is a plan view showing a state where a detergent case holder is attached to a side surface of a washing machine, and FIG. 11B is a right side view of the same.

12A is a front view showing a state in which a support frame is folded, and FIG. 12B is a right side view of the same.

FIG. 13 is a perspective view showing another embodiment.

FIG. 14 is a perspective view showing another embodiment of the present invention.

FIG. 15 is a perspective view showing another embodiment of the present invention.

FIG. 16 is an exploded perspective view showing a conventional magnet fixing structure.

FIG. 17 is an exploded perspective view showing another conventional magnet fixing structure.

FIG. 18 is a schematic plan view showing how a molded product having a conventional magnet fixing structure is attached to a wall surface.

[Explanation of symbols]

 10 Magnet 11 Yoke 11a Through Hole 12 Projection 13 Pin Member 14 Molded Product W Side

Claims (1)

(57) [Scope of utility model registration request] 1. A magnet fixing structure for fixing a magnet to a molded product, comprising: a yoke for mounting a magnet; a through hole formed in the yoke; and a through hole penetrating the through hole, the yoke being the molded product. A magnet fixing structure including a support portion that supports the upper and lower parts in a vertically and horizontally rotatable manner.