JP2001345572A - Fixing structure for power supply cord - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a power supply cord fixing structure, which can improve the workability of the fixing work of a power supply cord, and, can prevent the cost of the cord from increasing. SOLUTION: A bottom panel 12, constituting electronic equipment, is formed integrally with respective first, second, and third columns 14, 18, and 22. The power supply cord 10 is passed through the space between the first and second columns 14 and 18, after the cord 10 is passed through the opening 34 of the panel 12. Then the cord 10 is wound around the third column 22, again passed through the space between the columns 14 and 18, and wound on the outer circumference of the second column 18. Since the cord 10 is wound around the columns 14, 18, and 22, the cord 10 can be fixed surely. Consequently, since the number of parts decreases, because such parts as the cord brush, etc., used in the conventional example becomes unnecessary. Therefore, the fixing cost of the cord 10 can be prevented from increasing, and the workability of the fixing work of the cord 10 can be improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power cord fixing structure for fixing a power cord of an electronic device.

[0002]

2. Description of the Related Art As shown in FIG. 7, a power cord 100 for an electronic device or the like is guided to the outside of the apparatus through an opening 104 formed in a lower portion of a rear panel 102. Here, the power cord 100 was fixed by a cord bush 106 in order to prevent the power cord 100 from being pulled out or pushed in by some external force.

The cord bush 106 is composed of a main body 106A fitted from above the power cord 100 and a support section 106B for supporting the power cord 100 from below the power cord 100. 106A, and the support portion 106B is attached to the main body portion 106A.
A, and then attach the cord bush 106 to the power cord 1
By inserting the power cord 100 into the opening 104 together with the power cord 100, the power cord 100 was fixed.

However, in the method of fixing the power cord 100, the power cord 100 is fixed by the cord bush 106.
There is a problem that the number of parts increases and the cost increases. Further, since the shape and the like of the power cord 100 change depending on the type of the electronic device, the cord bush 1 suitable for each electronic device is used.
06 had to be used, and the problem of high cost was remarkable.

On the other hand, when the support portion 106B is mounted on the main body portion 106A, a special tool (not shown) is required, and there is a problem that workability is deteriorated. Conversely, code bush 1
Once the 06 was attached to the power cord 100, it could not be easily removed, resulting in poor workability.

[0006]

SUMMARY OF THE INVENTION In view of the above, an object of the present invention is to provide a power cord fixing structure for improving workability and preventing an increase in cost.

[0007]

According to a first aspect of the present invention, there is provided a power cord fixing structure for fixing a power cord extending from the inside of an electronic device to the outside. It has a plurality of pillar members formed in the panel, and the power cord is wound around and fixed to the plurality of pillar members.

Next, the operation of the power cord fixing structure according to the first aspect will be described.

The electronic device has a power cord that is drawn from the inside of the electronic device to the outside. A plurality of pillar members are formed on a panel constituting the electronic device.

Here, since the power cord is wound around a plurality of pillar members and fixed, when the power cord is pulled from outside the electronic device, the power cord is not pulled out as it is.

In particular, the present invention eliminates the need for fixing parts such as a cord bush, as compared with the case where the power cord is fixed using a cord bush as in the prior art, so that the number of parts can be reduced and the power cord can be reduced. Is simply wound around the column member, so that there is no need to use a special tool at the time of fixing. As a result, an increase in cost can be prevented, and workability can be improved.

[0012] In the power cord fixing structure according to the second aspect, the power cord is passed through a gap between the first pillar member and the second pillar member constituting the plurality of pillar members, and is connected to the third pillar member. When wound around the outer periphery and passed through the gap again, they are arranged so as to overlap each other vertically.

Next, the operation of the power cord fixing structure according to the second aspect will be described.

The power cord is wound around the outer periphery of the third pillar member through the gap between the first pillar member and the second pillar member, and is again passed through the gap.

Here, in the gap, the power cords are arranged so as to vertically overlap each other, so that the power cord located on the lower side is pressed by the power cord located on the upper side. For this reason, the lower power cord can be reliably fixed.

In the power cord fixing structure according to the third aspect, the gap between the first pillar member and the second pillar member is not less than the width of the power cord and less than twice the width of the power cord. It is characterized by being set.

Next, the operation of the power cord fixing structure according to the third aspect will be described.

The gap between the first column member and the second column member is
Since the width of the power cord is set to be equal to or greater than the width of the power cord and less than twice the width of the power cord, of the power cords arranged vertically one above the other, the upper power cord is parallel to the lower power cord. There is no arrangement. Therefore, the lower power cord is always pressed and fixed by the upper power cord.

In the power cord fixing structure according to the fourth aspect, a power cord wound around the outer periphery of the third pillar member is provided between the third pillar member and the third pillar member. A first support piece to be sandwiched is formed.

Next, the operation of the power cord fixing structure according to claim 4 will be described.

Since the first support piece for holding the power cord between the third pillar member and the third pillar member is formed in the vicinity of the third pillar member, the first support piece is wound around the outer periphery of the third pillar member. Even when an external force acts on the power cord in a direction in which the winding is loosened, the winding of the power cord around the outer periphery of the third column member is not loosened. As a result, even when the power cord is pushed from outside the electronic device to the inside of the electronic device, the power cord is not pushed.

In the power cord fixing structure according to the fifth aspect, after the power cord is wound around the outer periphery of the third pillar member and passed through the gap between the first pillar member and the second pillar member. ,
A power cord wound around the outer periphery of the second column member is sandwiched between the second column member near the second column member. Second
Is formed.

Next, the operation of the power cord fixing structure according to the fifth aspect will be described.

In the vicinity of the second pillar member, a second support piece for sandwiching the power cord between the second pillar member and the second pillar member is formed, so that the second support piece is wound around the outer periphery of the second pillar member. Even when an external force acts on the power cord in a direction in which the winding is loosened, the winding of the power cord around the outer periphery of the second column member is not loosened. As a result, even when the power cord is pushed from outside the electronic device to the inside of the electronic device, the power cord is not pushed.

The power cord fixing structure according to claim 6 is characterized in that a first holding member for preventing the power cord from coming off in the axial direction of the third column member is formed.

Next, the operation of the power cord fixing structure according to claim 6 will be described.

[0027] Even when an external force is applied to the power cord in the axial direction of the third column member, the first holding member can prevent the power cord from falling in the axial direction of the third column member.

In the power cord fixing structure according to a seventh aspect, a second pressing member for preventing the power cord from coming off in the axial direction of the second column member is formed.

Next, the operation of the power cord fixing structure according to claim 7 will be described.

Even when an external force is applied to the power cord in the axial direction of the second pillar member, the power cord can be prevented from being removed in the axial direction of the second pillar member by the second pressing member.

In the power cord fixing structure according to the eighth aspect, the column member is a column, and a groove or a protrusion is formed on the outer periphery of the column.

Next, the operation of the power cord fixing structure according to claim 8 will be described.

The pillar member is a cylinder, and a groove or a projection is formed on the outer periphery of the cylinder. For example, when a tensile force acts on the power cord wound around the outer periphery of the cylinder, the projection on the outer periphery of the cylinder is formed. The power cord can be prevented from moving by being pulled into the power cord.

In the power cord fixing structure according to the ninth aspect, the column member is a polygonal column.

Next, the operation of the power cord fixing structure according to the ninth aspect will be described.

Since the pillar member is a polygonal pillar, the corners of the polygonal pillar can be stuck in the power cord even if no grooves or projections are formed on the outer periphery of the polygonal pillar, and the power cord can be prevented from moving. For this reason, according to the present invention, since it is not necessary to form a groove or a projection on the outer periphery, the number of working steps can be reduced, and a cost increase can be prevented.

[0037]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A power cord fixing structure according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

As is well known, although not shown, the electronic apparatus includes a housing configured by assembling each panel, and each electronic component is disposed inside the housing.
In addition, a power cord connected to an outlet at the time of use is provided in the electronic device so as to be drawn out of the housing to the outside.

As shown in FIGS. 1 and 3, a first column 14 is integrally formed inside a bottom panel 12 constituting the bottom of the housing. Groove 1 is provided on the outer periphery of this first cylinder 14.
6 are formed, and the outer periphery thereof is protruding. Note that, instead of forming the groove 16 on the outer periphery of the first cylinder 14, a protrusion (not shown) may be formed to have a projecting shape.

Further, a second column 18 is formed integrally with the bottom panel 12 at a predetermined interval from the first column 14. A groove 20 is also formed on the outer periphery of the second column 18, similarly to the first column 14, and has a projecting shape.
Instead of forming the groove 20 on the outer periphery of the second column 18, a protrusion (not shown) may be formed to form a protrusion.

Here, as shown in FIG.
The distance L between the fourth column 18 and the second column 18 (referred to as a “gap” as appropriate) is equal to or larger than the width W of the power cord 10 and is 2
It is preferably set to be less than 2 W which is twice as large. Bottom panel 12 and first to third columns 1 according to the present embodiment
4, 18, and 22 are integrally formed by injection molding. At this time, for example, the first cylinder 14 and the second cylinder 18
Is wider as approaching the tip due to the taper of the cylinder die. However, if a pressing die is formed between the first column 14 and the second column 18 toward the inside of the bottom panel 12, the first column 14 and the second column 18 are formed.
Can be narrowed toward the tip.

As shown in FIG. 3, the first column 14
On a straight line 1 passing through the center of the gap between the
A third column 22 is formed integrally with the bottom panel 12.
The outer circumference of the third column 22 is also the first column 14 and the second column
A groove 24 is formed in the same manner as the column 18 of FIG. In addition, instead of forming the groove 24 on the outer periphery of the third column 22, a protrusion (not shown) may be formed to have a protruding shape.

As described above, the bottom panel 12 includes
A first column 14, a second column 18, and a third column 22
Are arranged in a triangular shape in a plan view shown in FIG.

As shown in FIGS. 1 and 3, the first support piece 2 is provided near the first cylinder 14 and the third cylinder 22.
6 are formed integrally with the bottom panel 12. The height of the first support piece 26 is the same as that of the first cylinder 14 and the third cylinder 22.
And the side surface is formed to have a substantially square shape. The first support piece 26 is used to connect the power cord 10 wrapped around the outer periphery of the third cylinder 22 to the third cylinder 22.
Between the power supply cord 10 and the third column 2
The first support piece 26 supports the power cord 10 when an external force acts in a direction to loosen the winding around the outer periphery of the second cylinder 2, thereby preventing the loosening of the winding around the third column 22. are doing.

A first holding member 28 extending toward the gap between the first cylinder 14 and the third cylinder 22 is formed substantially above the center of the first support piece 26. The first pressing member 28 comes into contact with the upper part of the power cord 10 wound around the outer periphery of the third cylinder 22 to prevent the power cord 10 from coming off in the axial direction (the tip side) of the third cylinder 22. Has a function.

On the other hand, in the vicinity of the second column 18, a second support piece 30 having an L shape in plan view as shown in FIG. 3 is formed integrally with the bottom panel 12. The height of the second support piece 30 is substantially the same as the height of the second column 18. The second support piece 30 holds the power cord 10 wrapped around the outer periphery of the second column 18 between the second column 18 and the power cord 10 to the outer periphery of the second column 18. The second support piece 30 has a function of supporting the power cord 10 to prevent loosening of the winding around the second column 18 when an external force to loosen the winding of the second column 18 is applied.

In the vicinity of the second support piece 30, the second
A second pressing member 32 for holding the power cord 10 between the support panel 30 and the supporting piece 30 is formed integrally with the bottom panel 12. As shown in FIG. 2, the second pressing member 32 includes a main body 32A extending vertically upward from the bottom panel 12, and a claw 32B formed at an upper end of the main body 32A. The power cord 10 is sandwiched between the main body 32A and the second support piece 30. Here, the power cord 10 sandwiched between the main body portion 32A of the second holding member 32 and the second support piece 30 is pressed by the claw portion 32B, and is moved in the axial direction (the distal end) of the second cylinder 18. Side) is prevented.

Further, as shown in FIG.
The end piece 12A has a first column 14 and a second column 18
An opening 34 for guiding the power cord 10 to the outside of the housing is formed at a location communicating with the gap. The opening 34 is an opening having an open upper portion, and is formed such that the opening width T becomes wider as approaching the upper portion of the opening 34.

Next, the power cord 10 is connected to the first cylinder 14,
A method of winding the outer circumference of the second column 18 and the third column 22 will be described.

First, the opening 34 formed in the bottom panel 12
The power cord 10 is fitted into the power cord. The upper part of the opening 34
Since the power cord 10 is open and wide, the power cord 10 can be easily fitted, and the workability can be improved.

As shown in FIG. 1, after the power cord 10 is fitted into the opening 34, the first column 14 and the second column 18
Power cord 10 (hereinafter, for convenience of description, this power cord 10 is referred to as “cord 10A before folding back”).
Is passed. Power cord 10A before turning back through the gap
Is wound around the outer circumference of the first cylinder 14 by about １ ／ of the circumference, and then sandwiched between the first support piece 26 and the third cylinder 22, while the outer circumference of the third cylinder 22 is held. Is wound substantially once. At this time, the upper part of the power cord 10A before being folded is pressed by the first pressing member 28.

The power cord 10 wound around the outer circumference of the third cylinder 22 is again connected to the first cylinder 14 and the second cylinder 1.
The power cord 10 is hereinafter referred to as “the folded power cord 10B” for convenience of explanation. At this time, as shown in FIG. 2 and FIG. 4, the folded power cord 10B folded by the third cylinder 22 is arranged so as to overlap the power cord 10A before the folding which has passed through the gap first. Thus, the lower power cord 10A before folding is pressed by the upper folded power cord 10B and securely fixed.

Here, the first cylinder 14 and the second cylinder 18
Is set to be equal to or greater than the width W of the power cord 10 and less than 2 W, so that the folded power cord 1
0B is not arranged in parallel with the lower power cord 10A before turning back. For this reason, the lower power cord 10A before being folded is always pressed by the upper folded power cord 10B and is securely fixed.

Further, the first column 14 and the second column 18
When the gap between the power cord 10B and the upper power supply cord 10B disposed in the gap is made narrower by approaching to the tip side of each of the cylinders 14 and 18, the gap may be removed in the axial direction of the cylinders 14 and 18. It can be prevented as much as possible.

Next, the folded power supply cord 10B positioned on the upper side in the gap is wound around the outer circumference of the second cylinder 18 by about ２ of the circumference, and then the second cylinder 18 and the second In a state of being held between the second holding member 32 and the second support piece 30, the processing is terminated.

When the winding of the power cord 10 is completed as described above, the rear panel 36 is assembled to the bottom panel 12 as shown in FIG. A groove 38 is formed in a lower portion of the rear panel 36 at a position corresponding to the opening 34. The lower part of the groove 38 is open, and the upper part 38A of the groove 38 closes the upper part of the opening 34 after assembly. Therefore, the opening 34
The power cord 10 fitted into the hole does not come out of the upper part of the opening 34.

Although not shown, a circular hole may be formed in the rear panel 36 instead of the opening 34, and the power cord 10 may be passed through the circular hole.

According to the fixing structure of the power cord 10 of the present invention, the power cord 10 is wrapped around the outer circumferences of the plurality of columns 14, 18, and 22, and is fixed even when the power cord 10 is pulled. Is not pulled out.

In particular, since the outer circumference of each of the cylinders 14, 18, and 22 around which the power cord 10 is wound has a protruding shape, the projections are caught in the covering portion of the power cord 10, and the power cord 10 is securely fixed. Is done.

Even when the power cord 10 is pushed in, the power cord is supported by the first support piece 26 and the second support piece 30, so that the second column 18 and the third column 22 Without loosening around the outer circumference,
The power cord 10 can be securely fixed.

As described above, according to the present invention, the power cord 1
Since only 0 is required to be wound around each of the cylinders 14, 18, and 22, the number of parts can be reduced as compared with a method of fixing a power cord using a cord bush as in the related art, and cost can be prevented. In addition, since no special tool is used, workability can be improved.

In the above embodiment, the case where a plurality of columns 14, 18, and 22 are formed as column members on the bottom panel 12 has been described. However, the present invention is not limited to this.

For example, by forming a polygonal prism in place of the cylinders 14, 18, and 22, the vertices of the polygonal pillar are stuck in the covering portion of the power cord 10, and the power cord 10 can be more firmly fixed. In particular, there is no need to form a groove on the outer periphery of the polygonal column to form a projection. Thereby, the panel manufacturing die can be simplified.

In the above embodiment, three cylinders 1
The case where 4, 18, and 22 are formed has been described, but the number is not limited to this. Although not shown, for example, 4
One or more cylinders may be formed and the power cord may be wound. Alternatively, two cylinders may be formed and the power cord may be wound and fixed in an eight-shape.

[0065]

According to the power cord fixing structure of the present invention, workability can be improved and cost can be prevented from increasing.

[Brief description of the drawings]

FIG. 1 is a plan view showing a state in which a power cord is wound around a plurality of columns formed on a bottom panel of an electronic device using a power cord fixing structure according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a state in which the power cord is wound around a plurality of columns formed on a bottom panel of an electronic device using the power cord fixing structure according to one embodiment of the present invention.

FIG. 3 is a plan view showing a power cord fixing structure according to an embodiment of the present invention.

FIG. 4 is a side view of the first and second cylinders constituting the power cord fixing structure according to the embodiment of the present invention, as viewed from the third cylinder side.

FIG. 5 is a partial side view of a bottom panel used in an electronic device to which a power cord fixing structure according to an embodiment of the present invention is applied.

FIG. 6 is a partial side view when a rear panel is assembled to a bottom panel used in an electronic device to which a power cord fixing structure according to an embodiment of the present invention is applied;

FIG. 7 is a perspective view showing a conventional structure for fixing a power cord.

[Explanation of symbols]

 Reference Signs List 10 power cord 12 bottom panel (panel) 14 first column (column member) 18 second column (column member) 22 third column (column member) 26 first support piece 28 first pressing member 30 first 2nd support piece 32 2nd pressing member

Claims (9)

[Claims] 1. A power cord fixing structure for fixing a power cord drawn out of the electronic device to the outside, the power cord having a plurality of pillar members formed on a panel constituting the electronic device. Is fixedly wound around the plurality of pillar members. 2. The power cord is passed through a gap between a first pillar member and a second pillar member constituting a plurality of pillar members, is wound around an outer periphery of a third pillar member, and is again wound around the gap. 2. The power cord fixing structure according to claim 1, wherein the power cords are arranged so as to be vertically overlapped with each other. 3. A gap between the first pillar member and the second pillar member is set to be not less than the width of the power cord and less than twice the width of the power cord. The power cord fixing structure according to claim 2, wherein 4. A power cord wound around an outer periphery of the third column member is provided near the third column member.
The power cord fixing structure according to claim 2, wherein a first support piece sandwiched between the power cord and the column member is formed. 5. The power supply cord is wound around an outer periphery of the third pillar member, passed through a gap between the first pillar member and the second pillar member, and then passed through the second pillar member. And a power cord wound around the outer periphery of the second pillar member is sandwiched between the second pillar member and the second pillar member in the vicinity of the second pillar member. The power cord fixing structure according to any one of claims 2 to 4, wherein two support pieces are formed. 6. The power supply cord according to claim 2, wherein a first holding member is formed to prevent the power cord from coming off in the axial direction of the third column member. Power cord fixing structure. 7. The fixing of the power cord according to claim 5, wherein a second pressing member for preventing the power cord from coming off in the axial direction of the second column member is formed. Construction. 8. The power cord fixing structure according to claim 1, wherein said column member is a column, and a groove or a projection is formed on an outer periphery of said column. 9. The power cord fixing structure according to claim 1, wherein the pillar member is a polygonal pillar.