JP2002314270A - Core fixing member and device thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a core fixing member wherein attachment is easy, fixing is performed surely and mutual breakdown which is to be caused by interference with adjacent other components can be prevented in the case of fixing a core, and to provide a core fixing device. SOLUTION: This core fixing member is used for fixing the core on an object to be attached. The member is formed in a crank shape or an U-shape by using two arms constituted of flexible members and a trunk part for linking the two arms, and fixed on the object to be attached in the state that the core is clamped by using the two arm parts.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a core fixing member and a core fixing device for fixing, for example, a ferrite core to a substrate.

[0002]

2. Description of the Related Art There is a ferrite core as a core attached to a cable to reduce electrical noise interference in electronic equipment and the like. A method of fixing a ferrite core will be described as an example. FIG. 5 is a diagram showing a configuration example of a conventional core fixing member.

[0005] In FIG. 5, a ferrite core 1 is provided with a fixing hole 3 provided in a mounting object 2 and a fixing band 4 penetrated through a hollow portion of the ferrite core 1 so that the ferrite core 1 and the mounting object 2
And fix them together. Here, the mounting target 2 is, for example, a wall portion of a housing of a printed circuit board or an electronic device or a plate portion forming an internal partition.

[0004]

In the prior art shown in FIG. 5, since the ferrite core 1 is supported at a single point where the plate portion 2 to be mounted and the ferrite core 1 are in contact with each other, the displacement of the ferrite core due to vibration, impact, and the like is sufficient. Can not be suppressed. For this reason, there is a problem that adjacent mechanical parts and electric parts interfere with each other and are mutually damaged.

Further, since the fixing band 4 is penetrated through the hollow portion of the ferrite core 1 and the fixing hole 3 of the plate portion 2 to be attached, and the circuit is tightened once, the attachment cannot be easily performed.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and is a core fixing member which is easy to mount, can be fixed securely, and can prevent mutual damage due to interference with other adjacent parts. And a core fixing device.

[0007]

SUMMARY OF THE INVENTION The present invention provides a core fixing member and a core fixing device having the following constitution.

(1) A core fixing member for fixing a core to an object to be mounted, the core fixing member being formed in a U-shape or a U-shape by two arms made of an elastic member and a trunk connecting these arms. A fixing member fixed to an object to be mounted with a core sandwiched between two arms.

(2) The core fixing member according to (1), wherein a rib is formed on an inner surface of the body portion, and the elasticity of the rib absorbs a dimensional error of the core sandwiched between the two arms.

(3) A rib is formed on the inner surface of the arm,
The core fixing member according to (1), wherein the rib holds a core sandwiched between two arms.

(4) A rib is formed on the outer surface of the arm,
The core fixing member according to (1), wherein the core is fixed to the mounting target by hooking the rib on the mounting target. (5) The core fixing member according to (1), wherein the core fixing member is formed of a resin material.

(6) A core fixing device for fixing a core to a mounting object, wherein the core fixing device is formed in a U-shape or a U-shape by two arms made of elastic members and a trunk connecting these arms. A core fixing member in which a core is sandwiched between the arms of the book, a rib is formed on an outer surface of the arm portion, and a sandwiching component that presses the rib to deform the arm portion to hold the core; A core fixing device fixed to an object to be mounted while being sandwiched by the sandwiching component.

(7) A rib is formed on the outer surface of the arm portion,
The core fixing device according to (6), wherein a space is formed between the sandwiching component and the core to prevent mutual interference.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an example of fixing a ferrite core will be described as an embodiment of the present invention with reference to the drawings.

FIG. 1 is a block diagram showing one practical example of the present invention. In FIG. 1, the same components as those described above are denoted by the same reference numerals.

The core fixing member is made of an elastic member, and has a U-shape formed by two arms 12a and 12b and a body 13 connecting the arms. 2 on the inner surface of the body 13
Ribs 14a to 14d for elastically absorbing a dimensional error of the ferrite core sandwiched between the arms 12a and 12b are provided. Ribs 15a are provided on the inner surfaces of the arms 12a and 12b.
To 15d (15c and 15d are not shown), and the ribs 15a to 15d are supported and held by the ferrite cores. Ribs 16a to 16d (16a and 16b are not shown) and 17a are provided on the outer surfaces of the arms 12a and 12b.
To 17d are formed.

FIG. 2 is a view showing a state where a ferrite core is attached. The ferrite core 1 has ribs 14a, 14
b, the movement in the axial direction is suppressed, and the two arms 12a, 12b and the ribs 14c, 14d and the rib 1
It is held by being sandwiched between 5a to 15d to suppress the movement in the radial direction.

FIG. 3 is a view showing an example of attachment to a substrate. FIG. 3B is a view of FIG. 3A viewed from the direction of arrow A.

The arm 1 is inserted into the through hole 33 formed in the substrate 31.
2b is penetrated, and the core fixing member is sandwiched and fixed by the sandwiching parts 32a and 32b. At this time, the parts 32a for sandwiching by the ribs 17a to 17d of the core fixing member,
A gap is formed between the ferrite core 1 and the ferrite core 1 to prevent interference between the ferrite core 1 and the sandwiching components 32a and 32b. Furthermore, the ribs 17a to 17d are provided with
a, 32b pushed by arm 32a, 12b of the core fixing member
Are deformed, and the holding force of the ferrite core is made stronger.

FIG. 4 shows an example of attachment to a substrate by a single core fixing member. FIG. 4B is a view of FIG. 4A as viewed from the direction of arrow B. (C) of FIG. 4 is a diagram of (a) viewed from the direction of arrow C.

The substrate 4 to be mounted having the through holes 42
1, the tips of the two arms 12 a and 12 b of the core fixing member sandwiching the ferrite core 1 are inserted into the through holes 42.
At this time, the arm portions 12a, 1
2b is pressed and deformed, and together with the ribs 15a to 15d provided on the inner surfaces of the arms 12a and 12b, makes the holding force of the ferrite core stronger. Further, the ferrite core is engaged with the substrate 41 by the ribs 17a to 17d provided on the outer surfaces of the arms 12a and 12b, and the ferrite core is formed by the core fixing member alone.
Fixed to

The core fixed to the mounting object may be other than a ferrite core. In the embodiment, the U-shape has been described, but a U-shape has the same effect.

[0022]

According to the present invention, the following effects can be obtained.

According to the first and third aspects of the present invention, the core is fixed to the object to be mounted while the core is sandwiched by the two arms, so that the core can be easily and reliably fixed.

According to the second aspect of the present invention, the rib is formed on the inner surface of the body, and the elasticity of the rib can absorb the dimensional error of the core sandwiched between the two arms.

According to the fourth aspect of the present invention, the rib is formed on the outer surface of the arm, and the core can be fixed to the mounting object by the core fixing member alone by hooking the rib on the mounting object.

According to the fifth aspect of the invention, an inexpensive and lightweight core fixing member can be realized by being formed of a resin material.

According to the sixth aspect of the present invention, the core fixing member is fixed to the object to be mounted while being sandwiched by the sandwiching parts, so that the holding force of the core can be further increased.

According to the seventh aspect of the present invention, the ribs are formed on the outer surface of the arm portion, and a space is formed between the sandwiching component and the core, whereby mutual interference between the sandwiching component and the core can be prevented.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing one embodiment of the present invention.

FIG. 2 is a diagram showing a state where a ferrite core is attached.

FIG. 3 is a configuration diagram showing another embodiment of the present invention.

FIG. 4 is an example of attachment to a substrate by a single core fixing member.

FIG. 5 is a diagram showing a configuration example of a conventional core fixing member.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Ferrite core 12a, 12b Arm 13 Body 14a-14d Rib 15a-15d Rib 16a-16d Rib 17a-17d Rib 31, 41 Board 32a, 32b Parts for sandwiching

Claims (7)

[Claims] 1. A core fixing member for fixing a core to a mounting object, wherein the core fixing member is formed into a U-shape or a U-shape by two arms made of an elastic member and a trunk connecting the arms. A core fixing member, which is fixed to an object to be mounted while a core is sandwiched between arm portions of the book. 2. The core fixing member according to claim 1, wherein a rib is formed on an inner surface of the body portion, and the elasticity of the rib absorbs a dimensional error of a core sandwiched between two arms. 3. The core fixing member according to claim 1, wherein a rib is formed on an inner surface of the arm, and the rib holds a core sandwiched between the two arms. 4. The core fixing member according to claim 1, wherein a rib is formed on an outer surface of the arm, and the core is fixed to the mounting target by hooking the rib on the mounting target. 5. The core fixing member according to claim 1, wherein the core fixing member is formed of a resin material. 6. A core fixing device for fixing a core to an object to be mounted, wherein the two arms are formed in a U-shape or a U-shape by two arms made of elastic members and a trunk connecting these arms. A core fixing member in which a core is sandwiched between the arm portions, a rib is formed on an outer surface of the arm portion, and a sandwiching component that presses the rib to deform the arm portion and hold the core, wherein the core fixing member is A core fixing device fixed to an object to be mounted while being sandwiched by the sandwiching component. 7. The core fixing device according to claim 6, wherein a rib is formed on an outer surface of the arm to form a space between the sandwiching component and the core to prevent mutual interference.