JPS5830345Y2 - Connection device for fixed member and moving member - Google Patents

Description

[Detailed explanation of the invention] This invention allows the chassis to be pulled out into the cabinet of, for example, a television receiver, and in order to limit the amount of pullout and prevent the chassis from falling into the cabinet, there is a gap between the cabinet screws 1~ and the chassis. The present invention relates to a coupling device for a fixed member and a movable member that is optimal for use when coupling a band-like member of a predetermined length.

For example, in the case of the above-mentioned television receiver, the chassis is installed in a cabinet so that it can be pulled out to facilitate inspection and repair.

The chassis becomes considerably heavy due to heavy parts such as transformers and many parts that are individually light.

If such a chassis is simply made movable within the cabinet, if the rear end of the chassis is held and the cabinet is pulled out, there is a risk that the front end of the chassis will accidentally fall below the cabinet, causing damage. .

Therefore, one end is fixed inside the cabinet and the other end is fixed to the tip of the chassis.The two are connected using a connecting member such as a band or string of a specified length, so that the chassis can only be pulled out to the point where it does not fall out of the cabinet. It is possible to do so.

However, in such cases, if a general connecting member is used, the connecting member will come into contact with an electrical component, and if the electrical component generates heat, the connecting member may burn or damage the chassis, wires, electrical components, etc. There is a risk of getting caught or entangled.

The present invention has been proposed in view of these points, and is characterized in that the central portion of the connecting member has a self-restoring property so that it always protrudes toward the side opposite to the chassis.

The present invention will be explained with reference to an illustrated embodiment.

FIG. 1 is an exploded perspective view of the present invention applied to the connection between a cabinet 1 and a chassis 2, where 3 is a connection member and 4 is a rail member.

The rail member 4 has a fixed member 5 and a movable member 7 movably coupled to a groove 6 of the fixed member.

The fixing member 5 has a raised part 8 extending along the groove part 6, and its upper surface 9 has a convex rail part 11, and is sloped so as to be gradually higher from the front end to the rear end.

The movable member 7 has an upper surface 10 having a concave rail portion 12 and is inclined so as to be gradually lowered from the front end to the rear end.

A protrusion 15 is formed at the front end of the fixing member 5. The protrusion 15 has a recess 13 into which the front end 2a of the chassis 2 is fitted, and a groove 14 into which the protrusion 3a at one end of the connecting member 3 is removably engaged.

The rear end surface 16 of the fixing member 5 has a screw hole (not shown) into which the rear end 2b (Fig. 3.5.6) of the chassis 2 is removably fixed with a screw 17 (Fig. 3).

At the rear end of the movable member 7, there is a stepped portion 18 on which the rear end 2b of the chassis 2 can be placed, and a recess 19 in which the rear end of the groove 12 extends slightly upward.
A protrusion 21 is formed having a surface 20 that abuts against the groove rear end surface 6a of the fixing member 5.

The peripheral end of the chassis 2 is bent downward, and a rail piece 22 is fixed to the front end 2a.

The rail piece 22 is located on the upper surface 9 of the raised portion of the fixing member of the rail member 4.
It has four parts 23 that fit into the upper surface 10 of the movable member and a convex part 24 that fits into the upper surface 10 of the movable member.

Components such as a transistor heat sink 25, a printed circuit board 26, and a transistor are mounted on the upper surface of the chassis 2, and the upper end of the heat sink 25 has a hole in which the other end protrusion 3b of the connecting member 3 is removably engaged. A locking member 28 having 27 is fixed.

When the chassis 2 is pulled out to the rear of the cabinet 1 and the rear end 2b of the chassis 2 is lifted upward and rotated approximately 90 degrees, the distal end surface 28a of the locking member 28 is
It abuts against the bottom surface 1a of the cabinet and supports the chassis 2 in its rotational position (FIG. 6).

The connecting member 3 is shaped like a belt and is made of synthetic resin such as soft vinyl chloride and is formed into a substantially Q shape, with a central portion 3C having protrusions 3a and 3b at both ends.
It has the ability to always protrude and curve to the opposite side.

The projections 3a and 3b have a large diameter at the tips and a small diameter at the base.

These protrusions 3 a and 3 b are connected to the groove 14 on the rail member 4 side.
and is locked in the hole 27 on the chassis 2 side.

The roots of the projections 3 a and 3 b can be inserted into the groove 14 ,
The tip cannot be inserted, and the opening is relatively strong and narrow enough to be inserted.

The hole 27 has a large hole at one end through which the tips of the projections 3a and 3b can be inserted, and a small hole at the other end through which only the tips of the protrusions 3a and 3b can be inserted relatively strongly.

The rail members 4 are arranged in parallel on both sides of the cabinet bottom surface 1a, and the rail pieces 22 are arranged in parallel opposite to the rail members 4 on both sides of the chassis 2.

As shown in FIG. 2, in the chassis 2, the concave part 23 and the convex part 24 of the rail piece 22 are placed on the fixed member upper surface 9 and the movable member upper surface 10 of the rail member 4, and the rail part 11 of the upper surface 9 and the upper surface 10 It is placed on the rail member 4 so as to fit into the rail portion 12 of.

The connecting member 3 has a central portion 3 as shown in FIG.
Both ends are engaged with the rail member 4 and the chassis 2 so that C protrudes to the side opposite to the chassis 2, and the rail member 4 and the chassis 2 are connected.

The chassis 2 is placed so that its front end 2a can move along the rail member 4 along the length of the connecting member 3.

The rear end 2b of the chassis 2 is fixed to the rear end surface 16 of the fixing member 4 with a screw 17 when the chassis 2 is inserted into the cabinet 1 as shown in FIG.

At this time, the leading end 2a of the chassis 2 is fitted into and supported by the recess 13.

Also, the rear end 2b of the chassis 2 is attached to the stepped portion 18 at the rear end of the movable member 7.
are fitted, and the movable member 7 is moved forward and stored.

The connecting member 3 has a central portion 3C protruding in a direction opposite to the chassis 2, so that the heat source such as the heat sink 25 does not come into contact with components mounted on the chassis 2.

When pulling out the chassis 2 from inside the cabinet 1, remove the back cover 30, remove the screws 17, and remove the rear end 2b of the chassis 2.
and pull it out backwards.

FIG. 4 shows the case when the amount is approximately half, and FIG. 5 shows the case when the amount is completely withdrawn.

When the chassis 2 is pulled out rearward, the tip 2a of the chassis 2 abuts the tip 7a of the movable member 7, so that the movable member 7 can be pulled out at the same time.

The design is such that when the movable member 7 is pulled out by a predetermined amount, the claw portion provided at the rear of the groove portion 6 abuts against the lower edge of the front end 7a of the movable member 7, and the movable member 7 is stopped.

The rail piece 22 is guided by the raised portion 8 of the fixed member 5 in the first half when the chassis 2 is pulled out, and is guided by the movable member 7 in the second half.

If the connecting member 3 is stretched in a straight line, it cannot be pulled out (FIG. 5), but it can be rotated so as to lift the rear end 2b of the chassis 2 upward.

At this time, the rail piece 22 is guided by the movable member 7 and moved rearward, and finally fits into the recess 19 and is stopped.

When the rear end 2b of the chassis 2 is rotated upward approximately 90 degrees,
The tip end surface 28a of the locking member 28 is the cabinet bottom surface 1a.
and supports the chassis 2 (FIG. 6).

At this time, parts can be easily inspected, repaired, etc. from below the chassis 2.

On the other hand, it is easy to understand that when housing the chassis 2 in the cabinet 1, the procedure described above can be completely reversed.

According to the present invention, the connecting member 3 has self-restoring properties such that the intermediate portion 3C always protrudes toward the opposite side of the rail member 4 of the cabinet-side fixing portion and the locking member 28 of the chassis-side fixing portion at a line connecting both ends. Therefore, when the chassis 2 is moved within the cabinet 1, the intermediate portion 3C of the connecting member 3 is connected to the rail member 4 or heat sink 25 of the cabinet 1 of the chassis 2.
There is no risk of it hanging down so as to come into contact with other parts, such as, and there is no risk of it becoming heated or entangled.

Therefore, the possibility that the connecting member 3 is broken or caught on the chassis 2, the rail member 4 of the cabinet 1, etc., and the movement of the chassis 2 is prevented is reduced.

Also, the amount of work required to unravel a stuck part is reduced.

Of course, if the chassis 2 is to be completely pulled out from the cabinet 2, one end of the connecting member 3 may be removed.

[Brief explanation of the drawing]

Figure 1 is an exploded perspective view of the present invention applied to a chassis pull-out device, Figure 2 is a sectional view taken along line A-A in Figure 1 during assembly, and Figure 3 is when the chassis is completely stored in the cabinet. Figure 4 is a side view when it is pulled out halfway, Figure 5 is a side view when it is fully pulled out, Figure 6 is when the rear end of the chassis is rotated upward approximately 90 degrees after it is fully pulled out. It is a side view when moving. 1 is a fixed member such as a cabinet, 4 is a rail member attached to the fixed member, 2 is a movable member such as a chassis, 3
indicates a connecting member, and 14 and 27 indicate parts that fix both ends of the connecting member.

Claims (1)

[Scope of utility model registration request] A movable member is provided on the fixed member, and a connecting member is provided with one end fixed to the fixed member, the other end fixed to the movable member, and a length corresponding to the amount by which the movable member is moved in one direction. A connection between a fixed member and a moving member, wherein the connecting member has a self-restoring property such that a central portion thereof projects toward the opposite side of the fixed member and the moving member at a line connecting both ends. Device.