JP2001309531A - Electric wire fixing means - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make an electric wire fixing means for fixing an electric wire on a sheet metal capable of bringing an electric wire into tight contact with a sheet metal. SOLUTION: A band member 10 is so designed that it can be fixed in a rectangular fixing hole formed in a sheet metal 99 through a first fixing portion 11, and a band 13 having a large number of teeth 13c on one side is installed in a standing manner on the edge of the upper face of the first fixing portion 11 on one side. A buckle member 20 is provided with a second fixing portion 21 designed similarly to the first fixing portion 11, and the base portion 23 formed on its upper face is provided with an insertion hole 25 into which the band 13 can be inserted from its tip 13a, and an anchoring portion 27 that anchors the band 13 inserted into the insertion hole 25 in a desired position by its anchoring teeth 27c. After a bundle of electric wires L is placed between the band member 10 fixed on the surface of the sheet metal 99 and the buckle member 20, the band 13 is bent along the periphery of the bundle of the electric wires L, inserted into the insertion hole 25, and anchored by the anchoring portion 27.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an electric wire fixing device for fixing an electric wire or a bundle of electric wires (which may be in the form of a harness or a cable) to a sheet metal.

[0002]

2. Description of the Related Art Conventionally, as this kind of electric wire fixing device, for example, as described in Japanese Patent Application Laid-Open No. 57-190107, a band that can be bent along the outer periphery of a bundle of electric wires, There has been considered a device having an insertion hole that can be inserted from a hole, and a locking portion that locks the band inserted into the insertion hole at a desired position.

FIG. 6 is a side view showing the structure of such an electric wire fixing tool 101. As shown in FIG. In the electric wire fixing tool 101, the base 1
03, and a band 105 is fixed to one end of the band 105.
The insertion hole 107 into which the tip 105a of the
05 is provided on the base 103 on the sheet metal 99 side (hereinafter referred to as “below”) of the base end 105b. Band 105 with electric wire L
The wire L is bound by making one round around the outer circumference of the bundle and inserting the tip 105a into the insertion hole 107 and locking the band 105 by a not-shown locking portion provided in the insertion hole 107. it can. Further, below the insertion hole 107, a fixing part 1 for fixing the base 103 to the surface of the sheet metal 99.
09 is provided, and the bundle of the electric wires L can be fixed to the sheet metal 99 by the fixing portion 109.

[0004]

However, in recent years, with the progress of microcomputer application technology, there has been an increasing demand for guiding noise passing through electric wires to a housing. Therefore, it is conceivable to induce noise to the housing by bringing the electric wire L into close contact with the sheet metal 99. That is, the electric wire L
When the distance d between the sheet metal 99 and the sheet metal 99 (casing) is reduced, electrostatic induction due to the stray capacity Cs occurs as shown in the following formula, and noise is easily guided to the sheet metal 99 (casing). Cs = ε · S / d Cs: Stray capacity ε: Dielectric constant (usually 1 in air) S: Opposed area d: Distance between electric wire L and sheet metal 99 (housing) By reducing the distance d between the electric wire L and the sheet metal 99, Cs increases and noise is easily guided to the housing. However, the wire fixing tool 101 cannot make the wire L adhere to the sheet metal 99.

Accordingly, the present invention has been made in an electric wire fixing device for fixing an electric wire to a sheet metal, with the object of bringing the electric wire into close contact with the sheet metal.

[0006]

Means for Solving the Problems and Effects of the Invention To achieve the above object, an invention according to claim 1 comprises a band which can be bent along the outer periphery of an electric wire or a bundle of electric wires, and a base end of the band. A band member having a first fixing portion capable of fixing the portion to the sheet metal surface, an insertion hole into which the band can be inserted from the tip, and locking the band inserted into the insertion hole at a desired position. A locking portion, and a second fixing portion that can fix the insertion hole and the locking portion at a position different from the first fixing portion on the surface of the sheet metal, and are configured separately from the band member. The present invention provides a wire fixing device including a buckle member.

According to the wire fixing device of the present invention thus constituted, the band member and the buckle member are fixed to the surface of the sheet metal via the first fixing portion or the second fixing portion, respectively, and the electric wire or the electric wire to be fixed therebetween. After arranging the bundle, it is used as follows. That is, the band of the band member is bent along the outer periphery of the electric wire or the bundle of electric wires, and the tip of the band is inserted into the insertion hole of the buckle member, and the band is locked by the locking portion. Then, the electric wire or the bundle of electric wires is sandwiched by a band from above and a sheet metal from below, and is fixed in a state of being in close contact with the sheet metal.

Therefore, according to the present invention, an electric wire or a bundle of electric wires can be fixed to a sheet metal in close contact with the metal sheet, so that noise passing through the electric wire can be favorably guided to the sheet metal (housing). it can. In the present invention, the band or the bundle of wires is used to fix the wire or the bundle of wires, and the locking portion can lock the band at a desired position. growing.

According to a second aspect of the present invention, in addition to the configuration of the first aspect, the band has a number of teeth arranged in a row along a longitudinal direction, and the locking portion is connected to the insertion hole. And a locking tooth for locking the band by engaging with the tooth at the time of the insertion.

In the present invention, the band can be freely inserted into the insertion hole by the cooperation of the large number of teeth provided on the band and the locking teeth provided on the locking portion. The band is securely locked in the insertion hole. For this reason, by inserting the band into the insertion hole as much as possible, the electric wire or the bundle of electric wires can be extremely effectively tightened.
Therefore, the electric wire or the bundle of electric wires can be fixed very well, and can be brought into very good contact with the sheet metal. Therefore, in the present invention, in addition to the effects of the first aspect of the present invention, the electric wire or the bundle of electric wires is more favorably fixed, and the electric wire or the bundle of electric wires is more closely adhered to the sheet metal, so that the above-mentioned is more preferably achieved. This produces an effect that noise can be guided to the housing.

[0011] The invention according to claim 3 is the invention according to claim 1 or 2.
In addition to the configuration described above, the first fixing portion and the second fixing portion are characterized in that they can be fixed at arbitrary positions of a long fixing hole formed in the sheet metal. In the present invention, since the first fixing portion and the second fixing portion can be fixed at arbitrary positions of the long fixing hole, the distance between them can be freely adjusted. Further, in the present invention, since the fixing hole has a long and simple shape, the formation is easy. Therefore, according to the present invention, in addition to the effects of the first and second aspects of the present invention, the allowable range for the diameter of the fixed electric wire or the bundle of electric wires is further increased, and the processing on the sheet metal side is further facilitated. Occurs.

According to a fourth aspect of the present invention, in addition to the configuration of the third aspect, the leg in which the first fixing portion or the second fixing portion is rotatably inserted into the fixing hole, A pressing wing portion which is provided so as to protrude in the outer peripheral direction from the portion and is elastically deformed by being brought into contact with the surface of the sheet metal when the leg portion is inserted into the fixing hole by a predetermined amount or more; When the leg is inserted, it is inserted along the longitudinal direction of the fixing hole, and when the leg is inserted by a predetermined amount or more, the leg is disposed on the back side of the sheet metal and locked on the back side of the sheet metal. And a locking projection that can be used.

In the first fixing portion or the second fixing portion of the present invention, when the locking projection is disposed along the longitudinal direction of the fixing hole and the leg is inserted over the predetermined amount, the locking projection becomes The pressing wing portion is disposed on the back surface side of the sheet metal and can be locked to the back surface of the sheet metal, and the pressing wing portion abuts on the surface of the sheet metal and is elastically deformed. At this time, when the legs are rotated, the locking projections are locked to the back surface of the sheet metal, so that the locking projections and the pressing wings sandwich the sheet metal in the thickness direction. The member or the buckle member can be fixed to the sheet metal.

As described above, in the fixing portion, the fixing is completed only by pushing the leg portion into the fixing hole and rotating the leg portion. For this reason, the band member or the buckle member can be easily fixed only by working from the surface side of the sheet metal without using a tool, and can be easily removed without using a tool. In addition, since the projecting portion of the sheet metal on the back surface side can be reduced as compared with the above-described fixing portion 109 (FIG. 6), space saving can be achieved as a whole. Further, even when the thickness of the sheet metal is different, adjustment can be made by changing the insertion amount of the leg.

Therefore, according to the present invention, in addition to the effect of the third aspect of the present invention, the work of fixing the band member or the buckle member is further facilitated, the space can be saved, and the thickness of the sheet metal can be reduced. The effect of increasing the allowable range is produced. The invention according to claim 5 is an electric wire fixing device used as a pair, wherein each electric wire fixing device is a band that can bend along the outer periphery of an electric wire or a bundle of electric wires, and the other electric wire fixing device is a band. An insertion hole for inserting the band from the tip, a locking portion for locking the band inserted in the insertion hole at a desired position, and fixing the base end of the band and the insertion hole adjacent to the surface of the sheet metal. And a fixing portion to be provided.

That is, in the wire fixing device of the present invention, the band of the band member according to claim 1 and the insertion hole and the locking portion of the buckle member according to claim 1 are fixed to the surface of the sheet metal by one fixing portion. Adjacent and fixed. For this reason, by using a pair of the wire fixing devices, the present invention provides substantially the same operation and effect as the first aspect of the present invention.

According to a sixth aspect of the present invention, in addition to the configuration of the fifth aspect, the band has a large number of teeth arranged in a row along the longitudinal direction, and the locking portion is connected to the insertion hole. And a locking tooth for locking the band by engaging with the tooth at the time of the insertion.

Therefore, in the present invention, similarly to the second aspect of the invention, in addition to the effect of the fifth aspect of the invention, the electric wire or the bundle of electric wires can be fixed more favorably, This brings about an effect that the bundle can be more closely adhered to the sheet metal and the noise can be more appropriately guided to the housing.

The invention according to claim 7 is the invention according to claim 5 or 6.
In addition to the configuration described above, the fixing portion of each of the electric wire fixing devices is characterized in that it can be simultaneously fixed to an arbitrary position of a long fixing hole formed in the sheet metal. Therefore, in the present invention, similarly to the invention of claim 3, in addition to the effect of the invention of claim 5 or 6, the allowable range for the diameter of the fixed electric wire or the bundle of electric wires is further increased, and There is an effect that processing on the sheet metal side becomes easier.

According to an eighth aspect of the present invention, in addition to the configuration of the seventh aspect, the fixing portion has a leg portion rotatably inserted into the fixing hole, and protrudes in an outer peripheral direction from the leg portion. A pressing wing portion which is provided to be elastically deformed by contacting the surface of the sheet metal when the leg portion is inserted into the fixing hole by a predetermined amount or more, and which is provided so as to protrude in an outer peripheral direction from the leg portion, At the time of insertion, it is inserted along the longitudinal direction of the fixing hole, and when the leg portion is inserted by a predetermined amount or more, it is disposed on the back side of the sheet metal and can be locked to the back surface of the sheet metal. When,
It is characterized by having.

For this reason, in the present invention, in addition to the effect of the seventh aspect, in addition to the effect of the seventh aspect, the work of fixing the wire fixing tool is further facilitated and the space can be saved. Further, there is an effect that the allowable range for the thickness of the sheet metal is increased.

[0022]

Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view illustrating a configuration of a band member 10 and a buckle member 20 to which the present invention is applied. In the present embodiment, an electric wire fixing device is configured by a combination of the band member 10 and the buckle member 20, as described later.

The band member 10 is fixed to an elongated rectangular fixing hole 99a formed in the sheet metal 99 via a first fixing portion 11, and one edge of the upper surface of the first fixing portion 11 has Band 1 configured to be freely bendable
3 are erected. At the center of one surface of the band 13 (the surface on the center side of the first fixing portion 11), a number of teeth 13c are arranged in a row along the longitudinal direction, and the teeth 13c are, as schematically shown in FIG. The band 13 has a so-called sawtooth shape in which the tip 13a side is gentle and the base end 13b side is sharp.

Returning to FIG. 1, the first fixing portion 11
A leg portion 11a rotatably inserted into the fixing hole 99a, and a pair of locking projections 11b provided from the lower end of the leg portion 11a so as to protrude in the outer peripheral direction by changing the directions by 180 ° from each other;
It has a pair of pressing wing parts 11c provided to protrude from the upper end of the leg part 11a in the outer peripheral direction in parallel with the locking projection 11b. The locking projection 11b has a width narrower than the fixing hole 99a, and the pressing wing 11c has a width wider than the fixing hole 99a. The pressing wing portion 11c is formed to be bent downward and to be elastically deformable in the vertical direction.

For this reason, the locking projection 11b is fixed to the fixing hole 99a.
If it arrange | positions along the longitudinal direction of this, the locking protrusion 11b and the leg part 11a can be inserted in the fixing hole 99a.
At this time, since the pressing wing 11c engages around the fixing hole 99a, the pressing wing 11 is inserted as the leg 11a is inserted.
c is deformed, and the leg 11a is urged upward. But,
When the leg portion 11a is inserted by a predetermined amount or more, the locking protrusion 11b is disposed on the back side of the sheet metal 99.
When a is rotated by 90 °, the locking projection 11b is engaged with the back surface of the sheet metal 99.

Thus, the locking projection 11b and the pressing wing 11c sandwich the sheet metal 99 in the thickness direction, and the band member 10 is fixed to the sheet metal 99. After the band member 10 is fixed in this manner, the first fixing portion 11 is pressed along the fixing hole 99a, and the band member 10 is pressed.
It is possible to change the fixed position of.

On the other hand, the buckle member 20 is
1 is provided with a second fixing portion 21 having a leg portion 21a, a locking projection 21b, and a pressing wing portion 21c configured in the same manner as in FIG.
a, and a locking portion 27 for locking the band 13 inserted into the insertion hole 25 at a desired position.

The locking portion 27 is formed by cutting a notch 27a from the upper surface on the side not facing the band member 10 (hereinafter referred to as the rear side).
Is formed, the rear side is configured to be capable of elastically swinging up and down, and at the rear end, a knob 27b for manually performing the swing is formed. As shown in FIG. 2, the front surface of the locking portion 27 forming the upper inner wall of the insertion hole 25 is formed in a sawtooth shape with a gentle front and a steep rear, and engages with the teeth 13 c of the band 13. Locking teeth 27c are formed.

For this reason, when no force is applied to the knob 27b, the band 13 can be freely inserted into the insertion hole 25 from the front.
3 cannot be removed from the insertion hole 25 due to the engagement of the teeth 13c and the locking teeth 27c. When the knob 27b is pushed up with the finger F, the engagement is released and the band 13 can be removed. Each of the band member 10 and the buckle member 20 is integrally formed of a synthetic resin.

In the electric wire fixing device of the present embodiment configured as described above, the band member 10 and the buckle member 20 are connected to the first member.
The sheet metal 9 is provided via the fixing portion 11 and the second fixing portion 21 respectively.
9 (see arrows A and B in FIG. 1), between which a bundle of electric wires L to be fixed (or a single electric wire) may be arranged as shown in FIG. Used as That is, the band 13 of the band member 10 is bent along the outer periphery of the bundle of the electric wires L, and the distal end 13 a of the band 13 is inserted into the insertion hole 25 of the buckle member 20, and then the locking portion 27 is inserted.
2 to lock the band 13 (see the arrow C in FIG. 2 and FIG. 1).

Then, the bundle of electric wires L is formed by the band 13 from above, by the sheet metal 99 from below, and by the first fixing portion 11, the second fixing portion 21, and the base portion 2 from the side.
3 and is fixed to the sheet metal 99 in close contact therewith. Moreover, the teeth 13c arranged in a large number on the band 13
With the above-described configuration utilizing the engagement between the locking portion 27 and the locking teeth 27c, the bundle of the electric wires L can be extremely effectively tightened by inserting the band 13 into the insertion hole 25 as much as possible.

For this reason, in this embodiment, the bundle of the electric wires L can be fixed very well to the sheet metal 99. In addition, since the bundle of the electric wires L can be brought into close contact with the sheet metal 99, the noise passing through the electric wire L can be guided to the sheet metal 99 (housing) very well by this close contact with the sheet metal 99. . In the above-described embodiment, the bundle of the electric wires L is fixed by using the band 13, and the locking portion 27 can lock the band 13 at a desired position. The tolerance is increased. When removing the electric wire L, the band 13 may be removed from the insertion hole 25 by pushing up the knob 27b with the finger F. For this reason, the removal of the electric wire L is easy, which is advantageous for maintenance.

Further, in the present embodiment, as described above, the first fixing portion 11 and the second fixing portion 21 having the legs 11a, 21a, the locking projections 11b, 21b, and the pressing wings 11c, 21c. Thus, the band member 10 and the buckle member 20 are fixed in the elongated rectangular fixing holes 99a. For this reason, the following effects occur.

That is, since the first fixing portion 11 and the second fixing portion 21 can be fixed at arbitrary positions in the elongated fixing hole 99a, the interval between them can be freely adjusted. For this reason, the allowable range for the diameter of the bundle of the fixed electric wires L is further increased. Further, since the shape of the fixing hole 99a is simple, formation thereof is also easy, and processing on the sheet metal 99 side becomes extremely easy. Moreover, in the first fixing portion 11 and the second fixing portion 21, the legs 11a, 21a are formed in the fixing holes 99a as described above.
Just press and rotate to complete the fixation. Therefore, the band member 10 and the buckle member 20 can be easily fixed only by working from the surface side of the sheet metal 99 without using a tool, and can be easily removed without using a tool. Therefore, the cost related to the fixing work of the electric wire L can be favorably reduced.

The first fixing part 11 and the second fixing part 21
Then, the protruding portion of the sheet metal 99 on the back side is the locking projection 11.
Since only b and 21b are provided (see FIG. 2), it is possible to save space as a whole as compared with the conventional example of FIG.
Further, even when the thickness of the sheet metal 99 is different, the legs 11a, 2
Adjustment can be made by changing the insertion amount of 1a, and the allowable range for the thickness of the sheet metal 99 is increased. in this case,
The amount of deformation of the pressing wing portions 11c and 21c increases as the thickness increases.

FIG. 3 is a perspective view schematically showing a configuration of an electric wire fixing device 30 as another embodiment to which the present invention is applied. FIG. 4B shows the electric wire fixing device 30.
FIG. 4A is a rear view showing the configuration of the STUV.
FIG. 4C is a sectional view taken along line ZZ of the WX staircase. It should be noted that this wire fixing device 30 is used in a pair unlike the above-described embodiment. However, since there are many portions similar in configuration to the above-described embodiment, portions configured almost similarly to the above-described embodiment are denoted by the same reference numerals as those used in FIG. 1 or FIG. Detailed description is omitted.

As shown in FIGS. 3 and 4, the wire fixing device 30 includes a leg 31a, a locking projection 31b, and a pressing wing portion, like the first fixing portion 11 and the second fixing portion 21 described above. A fixing portion 31 having a base portion 31c is provided, and a base portion 33 is provided on an upper surface thereof. The right half (see FIG. 3) of the base 33 is provided with an insertion hole 25 and a locking portion 27 similar to the buckle member 20, and the left half of the base 33 is provided on the front end edge of the upper surface similarly to the band member 10. Band 13 is erected.

The electric wire fixing device 30 thus configured is
The pair of electric wire fixing devices 30 are opposed to each other in front, and the fixing holes 9 are formed.
9a, and a bundle of electric wires L (may be a single electric wire) to be fixed is arranged between them and used as follows. That is, in this case, the band 13 of the one electric wire fixing device 30 faces the insertion hole 25 and the locking portion 27 of the other electric wire fixing device 30, and the band 1 of the other electric wire fixing device 30 is used.
3 faces the insertion hole 25 and the locking portion 27 of the one wire fixing tool 30. Therefore, as shown in the plan view of FIG. 5 (A) and the side view of FIG. 5 (B), the band 13 of each electric wire fixture 30 is curved along the outer periphery of the bundle of electric wires L, and When the distal end 13a is inserted into the opposed insertion hole 25 and locked by the locking portion 27, the electric wire L can be brought into close contact with the sheet metal 99 in the same manner as in the above embodiment, and substantially the same as in the above embodiment. Actions and effects occur.

However, in the present embodiment, two bands 1
3, the bundle of the electric wires L can be more firmly fixed to the sheet metal 99, and since one kind of tool (the wire fixing tool 30) is used, the management of the tool becomes easy. On the other hand,
In the above-described embodiment, since the bundle of the electric wires L is fixed to the sheet metal 99 by one band 13, the fixing operation is further facilitated.

As described above, the present invention has been described with reference to the specific embodiments. However, the present invention is not limited to the above-described embodiments, and may be variously modified without departing from the gist of the present invention. Can be implemented. For example, various modifications are conceivable for the configuration of the locking portion, and a configuration in which a bar-shaped projection is engaged with holes arranged in the band along the longitudinal direction may be employed. Alternatively, the knob 13b may be omitted from the locking portion 27 so that once the band 13 is locked, it cannot be removed again. When the reuse of the wire fixing device is not considered, such a configuration can be sufficiently applied.
Furthermore, if the reuse of the wire fixing device is not considered, the insertion hole 2
The end of the band 13 that penetrates the rearward portion 5 may be configured to be easily cut off. In this case, no extra band 13 is left behind the insertion hole 25, and further space saving can be achieved as a whole. Furthermore, the electric wire L may be in the form of a harness or a cable.

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating a configuration of an electric wire fixing device to which the present invention is applied.

FIG. 2 is a side view showing a usage state of the wire fixing device with a part broken away.

FIG. 3 is a perspective view illustrating a configuration of another electric wire fixing device to which the present invention is applied.

FIG. 4 is a rear view and a cross-sectional view illustrating a configuration of the electric wire fixing device.

FIG. 5 is a plan view and a side view showing a use state of the electric wire fixing device.

FIG. 6 is a side view illustrating a configuration of a conventional electric wire fixing device.

[Explanation of symbols]

10 band member 11 first fixing portion 11a, 2
1a, 31a: legs 11b, 21b, 31b: locking projections 11c, 21
c, 31c pressing wing part 13 band 13c tooth 20 buckle member 21 second fixing part 23, 33 base 25 insertion hole 27 locking part 27c locking tooth 30 wire fixing tool 31 fixed Part 99: sheet metal 99a: fixing hole F: finger L: electric wire

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI theme coat ゛ (reference) F16L 3/137 F16L 3/12 EF term (reference) 3H023 AA04 AB01 AB02 AC22 AC31 AD08 AD19 AD54 AE10 3J001 FA18 GB01 GC04 HA07 JB14 JC02 JD29 KA26 KB06 3J022 DA30 EA15 EB02 EB14 EC02 EC14 EC22 ED02 FA05 FB03 FB05 FB08 FB12 GA04 GA30 GB74 3J037 AA01 BA02 BB06 CA14 5G363 AA08 BA02 DA13 DA16 DC02

Claims (8)

[Claims] 1. A band member comprising: a band that can bend along the outer periphery of an electric wire or a bundle of electric wires; and a first fixing portion that can fix a base end of the band to a surface of a sheet metal. An insertion hole that can be inserted from the tip, a locking portion that locks the band inserted into the insertion hole at a desired position, and the first fixing portion on the surface of the sheet metal with the insertion hole and the locking portion. An electric wire fixing device, comprising: a second fixing portion that can be fixed at a different position; and a buckle member that is configured separately from the band member. 2. The band has a number of teeth arranged in a row along the longitudinal direction, and the locking portion allows the band to be inserted into the insertion hole, and the teeth are inserted at the time of the insertion. 2. A locking tooth for engaging said band by engaging with said band.
Wire fixing device as described. 3. The method according to claim 1, wherein the first fixing part and the second fixing part are
3. An elongate fixing hole formed in said sheet metal so as to be fixable at an arbitrary position.
Wire fixing device as described. 4. The fixing device according to claim 1, wherein the first fixing portion or the second fixing portion is provided with a leg rotatably inserted into the fixing hole, and is provided so as to protrude from the leg in an outer peripheral direction. A pressing wing portion that is elastically deformed by being brought into contact with the surface of the sheet metal when inserted into the fixing hole by a predetermined amount or more, and is provided so as to protrude in an outer peripheral direction from the leg portion; And a locking projection that is disposed on the back surface side of the sheet metal and can be locked to the back surface of the sheet metal when the leg portion is inserted by the predetermined amount or more. The electric wire fixing device according to claim 3, wherein 5. An electric wire fixing device used in a pair,
Each of the electric wire fixing devices has a band that can bend along the outer periphery of the electric wire or the bundle of electric wires, an insertion hole through which the band of the other electric wire fixing device can be inserted from the tip, and a band that is inserted into the insertion hole. An electric wire fixing device, comprising: a locking portion that locks at a desired position; and a fixing portion that fixes the base end of the band and the insertion hole adjacent to a surface of a sheet metal. 6. The band has a number of teeth arranged in a row along the longitudinal direction, and the locking portion enables the band to be inserted into the insertion hole, and the teeth are inserted at the time of the insertion. 6. The electric wire fixing device according to claim 5, further comprising a locking tooth that engages with the band to lock the band. 7. The fixing portion of each of the electric wire fixing devices is configured to be simultaneously fixable to an arbitrary position of an elongated fixing hole formed in the sheet metal. Wire fixing device as described. 8. The fixing portion is provided with a leg rotatably inserted into the fixing hole, and is provided so as to protrude in an outer peripheral direction from the leg portion, and the leg is inserted into the fixing hole by a predetermined amount or more. Then, a pressing wing portion which abuts on the surface of the sheet metal and is elastically deformed, and is provided so as to protrude in an outer peripheral direction from the leg portion, and is inserted along a longitudinal direction of the fixing hole when the leg portion is inserted, and 8. The electric wire according to claim 7, further comprising: a locking projection which is disposed on the back side of the sheet metal when the portion is inserted by the predetermined amount or more and can be locked to the back side of the sheet metal. Fixture.