JPH09148766A - Fixing tool for drawing out card - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fixing tool in which a card being set in a mother board at a constant interval can be drawn out easily without paying attention to grip the center of a handle. SOLUTION: A pair of hooked arms 2 is provided, at one end part thereof, with a slit 5 for inserting a card 4 having width larger than the thickness of card 4 and a pivotal means for the card is formed in the vicinity of rear end of the slit while a recess 9 is made at the other end part of the arm 2. A substantially rod-like handle 3 is provided, at the opposite ends thereof, with slits 22a, 22b and protrusions 23a, 23b formed closely to the forward end thereof engage the recess in the arm rotatably. Interval between two pivotal parts for the pair of arms and the card is set equal to the interval between protrusions at the opposite ends of handle.

Description

Detailed Description of the Invention

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a card pull-out mounting device for pulling out cards mounted on a motherboard at regular intervals.

[0002]

2. Description of the Related Art FIG. 8 is a front view of an embodiment of a conventional card pull-out mounting device.

[0003] An example of this type of conventionally used card pull-out fitting is disclosed in Japanese Patent Publication No. 46-57171. This configuration, as shown in FIG.
A handle 52 having long grooves 53 at both ends, and a projection 55 fitted at one end to the long groove 53 of the handle 52;
The other end is composed of a pair of arms 54 rotatably attached to a card 57 by pins 56.
5 slides in the long groove 53 toward the end, so that the mounted card 57 can be pulled out.

[0004]

However, when the above-mentioned card pulling-out attachment 51 is grasped at a position slightly deviated from the center of the handle 52 and is lifted up, the force applied to the protrusion 55 serving as a fulcrum is exerted. Since the left and right arms are different, the distance that each protrusion 55 slides in each long groove 53 is different, and the distance between the protrusion 55 and the card 37 is different between the left and right arms, and the handle 52 moves on the extension surface of the card. Since the card 57 cannot be lifted vertically with respect to the upper edge of the card, there are problems that the card 57 cannot be pulled out well and that the card 57 is twisted to damage the card 37.

Therefore, it is necessary to grasp the center portion of the handle 52 and carefully operate the handle 52 so as to lift the handle directly upward.

Further, since the handle 52 has the long groove 53, there is a problem that the strength is reduced by that much.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a card pull-out mounting device which has a structure in which a card can be easily pulled out without taking care to grasp a central portion of a handle, thereby solving the above problems. Is to do.

[0008]

According to the present invention, there is provided a card pull-out mounting device which is mounted on a card for pulling out a card mounted on a motherboard at regular intervals.
One end of each of the first and second arms is formed in a substantially rectangular shape pivotally connected to the card in two holes opened at a predetermined interval in the vicinity of the edge on the card withdrawal side. The other ends of the ends of the first and second arms can be respectively rotated with the first and second pair of arms having the sizes of and the both ends of the substantially rod-shaped handle as pivot points. A handle set such that the distance between the pivot points is set equal to the distance between the two holes.
For pinching the card at the end on the pivot side with the card,
Slits are formed at intervals slightly larger than the thickness of the card, and a pivot portion with the card is set near the opening end of the slit, while a narrow portion is formed at the pivot point side end with the handle. And a concave portion or a protrusion formed on the side surface of the narrow portion. The handle has a slit having an interval for receiving the narrow portion at both ends, and the handle is rotatably engaged with the concave portion or the protrusion on the inner surface of the slit. A projection or a recess forming a pivot point is formed.

[0010] The card pull-out mounting device of the present invention is characterized in that:
On the back side of the body of the arm, a vertical groove having a width larger than the thickness of the upper edge of the card is formed so as to be continuous with the slit of the pivot portion, and a part of this vertical groove has the upper edge of the card. Elastic claws are provided to press a part of the handle from the side, and a vertical groove is formed on the back side of the handle that has a width approximately equal to the thickness of the upper edge of the card and the thickness of one of the support pieces of the arm. And
In addition, it is desirable that a notch is formed on one back side of the front half of the handle so as to extend along the back edge of the corresponding arm when the mounting fixture is mounted.

[0010] Further, the card pull-out mounting device of the present invention comprises:
The pivotal connection between the arm and the card is formed by aligning holes in two parts separated by a slit of the arm. One of the holes is formed integrally with the hole by a thin film along the periphery of the hole. It is also preferable that a pin to be inserted into the other hole of the set is provided to stand outwardly perpendicularly to the two portions, and that the thin film be formed so as to be broken by pressure when the pin is inserted.

[0011]

According to the present invention, the rear end of the arm is pivotally connected to the card, and the front end of the arm is pivotally connected to the handle. And by setting the distance between the protrusions at both ends of the handle equal, the shape made with the handle, both arms and the card is always a parallelogram, so for example, if the opening of the motherboard is set upward, If you grab the handle and lift it, the handle will always be lifted parallel to the front edge of the card. When the opening of the motherboard is set to the front, the direction is changed only by 90 degrees from the above, and the system is pulled out to the front.

A vertical groove having a predetermined width is provided on the back side of the body of the arm and the back side of the handle, and an elastic claw for pressing the upper edge of the card from the side is provided in a part of the groove of the arm. By being protruded, the mounting fixture can be mounted smoothly and compactly.

Further, by hitting the pin head with a hammer or the like in accordance with the hole of the card, the thin film supporting the pin is broken by the hammer pressure, and the pin comes into close contact with the hole through the through hole and is fitted. And pivoted to the card. In this manner, the card pull-out mounting device of the present invention can be easily mounted.

[0014]

Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is an exploded perspective view of one embodiment of a card pulling-out fixture of the present invention, and FIG.
3 is a front view when the card is pulled out from the state shown in FIG. 2, FIG. 4A is an enlarged side view in the direction A in FIG. 2, and FIG. 5 is a plan view of FIG. 2, FIG. 6 is a side view of the arm of FIG.
FIG. 7 is a schematic perspective view showing a state where many cards are mounted on a motherboard.

As shown in FIG. 7, the card-pulling attachment 1 of the present invention is a tool attached to the card 4 for pulling out the cards 4 mounted on the motherboard 35 at regular intervals. As shown, a pair of first and second arms 2a and 2b each having a substantially U-shape and having the same size and pivotally attached to the card 4 are provided. And a handle 3 to be pivoted.

At the rear end of each of the arms 2a and 2b, a slit 5 for holding the card 4 is formed at an interval slightly larger than the thickness of the card.
A pivotal connection 7 with the upper edge 31 of the card 4 is formed in the vicinity. A recess 9 is formed in the narrow front end 8 opposite to the pivoting portion 7, and the recess 9 is used for the handle 3 described below.
Form a pivot point.

At both ends of the handle 3, slits 22a, 2
2b are formed in the vicinity of the distal end, and projections 23 rotatably engaging with the recesses 9a, 9b of the arms 2a, 2b, respectively.
a and 23b are formed. Recesses 9a, 9b of each arm
And the projections 23a and 23b of the handle are engaged to form a pivot point.

As shown in an enlarged view in FIG. 6, holes 12 and 13 aligned with two support pieces 10 and 11 separated by a slit 5 are provided on pivotal portions 7a and 7b of the arms 2a and 2b.
A pin 14 inserted into one of the holes 12 along the hole circumference with a thin film 15 integrally with the hole 12 and inserted into the holes 12 and 13 with the center aligned is outwardly orthogonal to the two support piece portions. The thin film 15 is erected, and is broken by the pressure applied when the pins are inserted. The pin 14 is rotatably fitted in a hole 32 formed in the card 4 as described later, and serves as a pivot for pivotal attachment.

After the card 4 is attached to the mother board 35 using the main attachment 1 attached to the card 4, the recesses 9 of the arms 2a and 2b and the protrusions 23a and 23b of the handle 3 are attached as shown in FIG. In order to reduce the risk of damage to the adjacent card at the time of pulling out, by improving the stability of the attachment 1 with respect to the card end portion when the engaging portion 21 of is swung downward, Various ideas have been made.

That is, on the back side of the arms 2a and 2b, a vertical groove 19 wider than the width of the slit 5 is connected at one end to the slit 5, and the opposite end extends to near the front end 8. A vertical groove 24 is formed on the rear surface of the handle 3,
2a and the slit 22b are connected to each other.

The width of the groove 19 on the rear surface of the arm body is slightly larger than the sum of the thickness of the upper edge of the card 4 and the thickness of the elastic claw 18. And production reasons. The width of the groove 19 on the back surface of the handle 3 is equal to the sum of the thickness of the upper edge of the card 4 and the thickness of the support piece 10 (thicker than the support piece 11) of the arm 4.

And portions 25, 25 separated by grooves 24,
In one of the portions 26, a notch 29 is formed along the rear edge of the arm 2a to accommodate the arm 2a when the mounting fixture 1 is mounted.

The pair of arms 2a and 2b are pivotally connected to the card so that the front ends of the arms 2a and 2b are pivotally connected to both ends of the handle 3, and the rear ends of the arms 2a and 2b are pivotally connected to the card 4. The space between the pivoting portions 7a and 7b is set to be equal to the space between the protrusions 23a and 23b at both ends of the handle 3 when worn.

Further, as shown in FIG.
In the vicinity of the center of the body portion 16a, 2b, a small rectangular through hole 17 extending from the upper surface to the lower groove portion is formed, and along the through hole 17, the above-mentioned card is lightly pressed from the side to provide elasticity for temporary fixing. A nail 18 is formed.

Next, a method of using the attachment 1 will be described. To attach the mounting fixture 1 to the card 4, first, the slits 5 between the support pieces 10 and 11 of the arms 2a and 2b are inserted into the card 4 so that the holes 32 formed in the card 4 are aligned with the centers of the arms 2a and 2b. By aligning the positions of the holes 12 and 13 and driving the pin head with a hammer or the like, the thin film 15 supporting the pin
Enters holes 12 and 13 through hole 32 and
And is pivotally attached to the card 4. After attaching the pair of arms 2a and 2b to the card 4 in this manner, the mounting operation is performed by engaging the recess 9 of the front end 8 of each arm 2a and 2b with the projections 23a and 23b of both ends of the handle 3. Complete. At this time, a pair of arms 2a, 2
As described above, the interval between the pivoting portions 7a and 7b of the handle b to the card 4 and the interval between the projections 23a and 23b at both ends of the handle 3 are set as described above.

When the card 4 is mounted on the motherboard 35 at these equal intervals, two pins 14 serving as four pivots and two projections 23a and 23b are set as vertices, and
The square formed by the handle 3, the arms 2a and 2b, and the upper edge 31 of the card 4 is always a parallelogram because the opposite sides are equal. Therefore, if the handle 3 is grasped and lifted, the handle 3 is always raised in parallel with the card 4 and the card 4 can be easily pulled out from the motherboard 35.

It is conceivable that the card pull-out fitting described in the above embodiment is formed of a synthetic resin (eg, polyamide or polycarbonate) having appropriate elasticity and hardness.

The present invention is not limited to the example of the structure described above. For example, the arms 2a and 2b have the pin 14
Is shown integrally, but when the rigidity of the pin is required, a metal pin may be separately prepared and used.

In the example described above, a concave portion is formed on the side surface of the narrow portion of the arm, and this concave portion is combined with a projection which forms a pivot point of a handle engaged with the concave portion. Conversely, a combination of a protrusion formed on the side surface of the narrow portion of the arm and a concave portion forming a pivot point of the handle engaged with the protrusion may be used.

[0030]

As described above, according to the present invention, the structure of the four pivots between each of both ends of both arms, the card and the handle and the distance between these pivots are limited. , They always form a parallelogram,
Therefore, if the handle is grasped and lifted, the handle is always lifted parallel to the card, so the card can be easily pulled out without being careful to grasp the center of the handle. It is possible to provide a card pull-out mounting device which can be made compact when the mounting device is mounted by limiting a groove and the like, and which can easily align a pin with a hole of a card and can easily mount an arm to the card. effective.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of an embodiment of a card pulling-out fitting of the present invention.

FIG. 2 is a front view of a state where the present embodiment is mounted and used.

FIG. 3 is a front view when the card is pulled out from the state of FIG. 2;

FIG. 4A is an enlarged side view in the direction A in FIG. 2, FIG.
FIG. 4 is an enlarged side view in the direction A in FIG. 3.

FIG. 5 is a plan view of FIG. 2;

FIG. 6 is an enlarged sectional view of a pivot portion of the arm of FIG. 1 with a card.

FIG. 7 is a schematic perspective view showing a state where many cards are mounted on a motherboard.

FIG. 8 is a front view of an embodiment of a conventional card pulling-out fixture.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Card removal attachment 2, 2a, 2b Arm 3 Handle 4 Card 5 Arm slit 6 Rear end 7, 7a, 7b Pivot part (with card) 8 Front end 9 Depression 10, 11, Support piece 12, 13 Hole 14 Pin 15 Thin film 16 Arm body 17 Through square hole 18 Elastic claw 19 Groove (back of arm body) 21, 21a, 21b Engagement section 22, 22a, 22b Slit of handle 23, 23a, 23b Projection 24 Groove (back of handle) 25, 26 Separated portion 27 Notch 31 Upper edge of card 32 Card hole 35 Motherboard 51 Card removal fixture 52 Handle 53 Long groove 54 Arm 55 Projection 56 Pin 57 Card

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Junshi Oyama 2-23-3 Nishihashimoto, Sagamihara City, Kanagawa Hikou Industry Co., Ltd.

Claims (3)

[Claims] 1. A tool attached to a card for pulling out a card mounted on a motherboard at regular intervals, wherein two holes are formed at predetermined intervals near an edge of the card to be pulled out. The first and second pair of arms each having one and the same size in a substantially U-shape that is pivotally attached to the card at one end of the first and second arms, respectively, and a substantially rod-shaped handle. The other ends of the ends of the first and second arms are pivotally connected to each other with each of both ends as pivot points, and the distance between the pivot points is two holes. Each arm has an interval slightly larger than the thickness of the card for pinching the card at the end on the pivot side with the card. Slit is formed, and the slit The pivot portion with the card is set near the open end, while a narrow portion is formed at an end portion on the pivot point side with the handle, and a concave portion or a protrusion is formed on a side surface of the narrow portion, The handle is formed with a slit having an interval for receiving the narrow width portion at both ends, and a projection or a recess which is rotatably engaged with the recess or the projection and forms the pivot point on the inner surface of the slit. A card pull-out fitting. 2. A vertical groove having a width larger than a thickness of an upper edge portion of a card is formed on the back side of the body of the arm so as to be continuous with a slit of the pivot portion, and a part of the vertical groove. An elastic claw for pressing a part of the upper edge of the card from the side surface is protrudingly provided. On the back side of the handle, the thickness of the upper edge of the card and the thickness of one of the support pieces of the arm are substantially equal. A longitudinal groove having a width of not more than one, and a notch is formed on one back side of the front half of the handle along a rear edge of a corresponding arm when the mounting fixture is mounted. Item 2. A card pull-out fitting according to Item 1. 3. A pivoted portion of the arm with a card is provided with holes aligned with each other at two portions separated by a slit of the arm, and one of the holes is formed by a thin film along the periphery of the hole. A pin formed integrally with the pin and inserted into the other hole of the alignment is provided so as to extend perpendicularly to the two portions and outwardly, and the thin film is formed so as to be broken by pressure when the pin is inserted. Item 3. The card pull-out fitting according to Item 1 or 2.