JP2003056532A - Clamp - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and surely detach from a mating fitting part. SOLUTION: In this clamp 21, provided with a fitting part 23 to be fitted to a wire 3 and a lock part for locking the fitting part 23 to a mating fitting part 7, the fitting part 23 is provided with an exposed part exposed with its fitted to the wire 3. The lock part 25 is formed with a support 37, projecting to either one of the exposed part 30 or the fitting part 23 and an engagement vane part 41 connected to the support 37 via a fractural fracture part 39 and engaged with an engagement hole 13 of the mating fitting 7 part, so as to make the fitting part 23 to the mating fitting part 7. The support 37 is thus displaced to the mating fitting part side, relative to the engagement vane part 41 having a fulcrum of the fracture part 39, by pressurizing the exposed part 30 to the mating fitting part side in a state of the engagement vane part 41 being engaged to the engagement hole 13.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clamp for fixing a predetermined position of an electric wire routed in a vehicle or the like and adjusting a wiring posture of the electric wire.

[0002]

2. Description of the Related Art A conventional clamp is shown in FIG. The clamp 1 includes a mounting portion 5 mounted on a wire harness 3 including a plurality of electric wires,
The lower surface of the mounting portion 5 is provided with a locking portion 9 for locking the mounting portion 5 to a panel 7 such as a vehicle, which is a mating mounting portion.

The locking portion 9 is a column 1 projecting from the mounting portion 5.
1 and the engaging hole 13 of the panel 7 connected to the column 11.
Is provided with a pair of engaging blades 15, 15. The engagement blade portion 15 has elasticity by inclining so as to gradually expand outward from the tip of the column 11 toward the attachment portion 5 side. The engagement blade portion 15 is provided with an engagement step portion 17 for engaging with the opening edge of the engagement hole 13 of the panel 7 at the tip.

In such a clamp 1, the mounting portion 5 is previously mounted on the wire harness 3 at a predetermined position by the tape winding 19, and then the engaging blade portion 15 is pushed into the engaging hole 13 of the panel 7 to engage the engaging step. The portion 17 is engaged with the opening edge of the engagement hole 13. In this state, the engagement step portion 17 is urged outward by the elastic force of the engagement blade portion 15 and the engagement hole 13
The engagement state with is maintained. As a result, the wire harness 3 is attached to the panel 7 by being fixed to the panel 7 by the clamp 1 at a predetermined position in a state where it is routed in a vehicle or the like.

[0005]

By the way, in the above-mentioned conventional clamp 1, when the wire harness 3 is removed from the panel 7 at the time of sorting disposal or recycling of a vehicle or the like, as shown in FIG. 14 and FIG. By pulling 3 away from the panel 7, the tape winding 19 portion is broken and the wire harness 3 is removed from the mounting portion 5. In this case, there is a problem that the clamp 1 remains on the panel 7.

Therefore, from the panel 7 to the wire harness 3
In order to remove, the engaging blade portion 15 of the clamp 1 is forcibly bent against the elastic force thereof and the engaging step portion 17 and the panel 7 are removed.
It is conceivable that the clamp 1 is removed from the panel 7 together with the wire harness 3 by releasing the engagement with the engaging hole 13 and then pulling the mounting portion 5 away from the panel 7 in this state.

However, in the clamp 1, the rigidity of the engagement blade portion 15 is set high so that the engagement state between the engagement step portion 17 and the engagement hole 13 is not released by an inadvertent force. It is difficult to forcibly bend 15 against its elastic force. Therefore, it takes a lot of time to remove the wire harness 3 from the panel 7.

Therefore, the present invention has been made in consideration of the above-mentioned conventional problems, and an object of the present invention is to provide a clamp which can be easily and surely removed from a mating mounting portion.

[0009]

In order to achieve the above-mentioned object, the invention according to claim 1 has an attachment portion to be attached to an electric wire and an engagement portion for engaging the attachment portion with a mating attachment portion. In the clamp provided, the mounting portion has an exposed portion that is exposed in a state of being attached to the electric wire, and the locking portion, a strut protrudingly provided on one of the exposed portion or the mounting portion, The engagement blade is connected to the strut through a breakable breakable portion, and is formed with an engagement blade portion that engages with an engagement hole of the mating attachment portion to lock the attachment portion to the mating attachment portion. In a state where the root portion is engaged with the engagement hole, the exposed portion is pressed toward the mating attachment portion side, so that the strut is moved toward the mating attachment portion side with respect to the engagement blade portion with the breaking portion as a fulcrum. It is characterized by being displaced.

According to the first aspect of the present invention having such a structure, in the engaged state of the engaging blade portion with the engaging hole, the exposed portion is pressed toward the mating attachment portion side, and the supporting column is engaged with the breaking portion as a fulcrum. The breaking portion can be broken by displacing the mating blade portion toward the mating attachment portion side.

According to a second aspect of the present invention, there is provided the clamp according to the first aspect, wherein the engagement blade portion is engaged with the opening edge of the engagement hole in a state of being engaged with the engagement hole. It is characterized by having a groove.

In the invention according to claim 2 configured as above, since the engaging blade portion is engaged by fitting the engaging groove into the opening edge of the engaging hole of the counterpart mounting portion, the engaging blade portion is opposed to the exposed portion. When pressed to the mounting portion side, there is an action of surely displacing the support column to the mating mounting portion side with respect to the engaging blade portion with the breaking portion as a fulcrum.

According to a third aspect of the present invention, in the clamp according to the first aspect, the mating attachment portion includes a frame portion, and the locking blade portion has the exposed portion on the mating attachment portion side. The front end of the exposed portion in the pressing direction comes into contact with the frame portion when pressed by.

According to the third aspect of the present invention configured as above, when the exposed portion is pressed downward, the front end of the exposed portion of the engaging blade portion in the pressing direction abuts the frame portion and the engaging blade portion is displaced. Is regulated, and there is an effect of surely displacing the support column with respect to the engaging blade portion toward the mating attachment portion side with the broken portion as a fulcrum.

A fourth aspect of the present invention is the clamp according to any one of the first to third aspects, wherein the mounting portion abuts against the mating mounting portion in a state of being locked to the mating mounting portion. A contact portion, the pillar is provided on the exposed portion, the exposed portion is formed in a flexible plate shape, and the engaging blade portion is engaged with the engaging hole. It is characterized in that it is bent toward the mating attachment part side with respect to the attachment part by being pressed toward the mating attachment part side.

According to a fourth aspect of the present invention configured as above, the exposed portion is pressed toward the mating mounting portion side in a state in which the mating mounting portion engages the engaging blade portion with the mating mounting portion. Then, the exposed portion can be bent toward the mating attachment portion side, and the strut can be displaced toward the mating attachment portion side with respect to the engaging blade portion with the breaking portion as a fulcrum to break the breaking portion.

Further, since the abutting portion abuts on the mating mounting portion and the movement of the mounting portion toward the mating mounting portion side is restricted, the exposed portion pressed to the mating mounting portion side mates with the mating mounting portion. It can be surely bent to the mounting portion side.

Furthermore, since the movement of the mounting portion to the mating mounting portion side is regulated by the abutting portion coming into contact with the mating mounting portion, the displacement of the strut to the mating mounting portion side with respect to the engaging blade portion is regulated. be able to.

According to a fifth aspect of the present invention, in the clamp according to the fourth aspect, the exposed portion is formed by bending, and the mating mounting portion side is opened when the mounting portion is locked to the mating mounting portion. It is characterized in that it has a recessed portion.

According to the fifth aspect of the present invention having such a structure, when the exposed portion is pressed toward the mating mounting portion side, the recessed portion bends toward the mating mounting portion side together with the exposed portion, so that the support column is engaged with the engaging blade portion. It can be easily displaced to the mating attachment part side.

According to a sixth aspect of the invention, there is provided the clamp according to any one of the first to fifth aspects, wherein the clamp is provided on the column and the mounting portion is locked to the mating mounting portion. Regulation for restricting displacement of the strut to the opposite side with respect to the mating attachment side when moving toward the opposite side with respect to the mating attachment side with the breaking portion as a fulcrum. It is characterized by having a section.

According to the sixth aspect of the present invention thus constructed, when the mounting portion moves to the opposite side to the mating mounting portion side, the restricting portion abuts on the engaging blade portion, so that the support column is engaged with the engaging blade portion. It is possible to regulate the displacement to the opposite side to the mating attachment side.

The invention according to claim 7 is the clamp according to any one of claims 1 to 6, wherein the breaking portion is
It is characterized in that it is formed in a thin plate shape.

According to the invention of claim 7 having such a configuration, since the fractured portion is a thin plate shape, when the strut is displaced toward the mating attachment portion side with respect to the engaging blade portion with the fractured portion as a fulcrum, The breaking portion can be broken more easily.

[0025]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a clamp according to the present invention will be described below.

(First Embodiment) FIG. 1 is a perspective view showing a first embodiment of a clamp according to the present invention. FIG. 2 is a plan view showing a state in which the clamp shown in FIG. 1 is attached to a panel.
2 is a rear view of the clamp shown in FIG. 2, FIG. 4 is a sectional view taken along the line AA of the clamp shown in FIG. 2, FIG. 5 is a side view of the clamp shown in FIG. It is a side view from the arrow b direction of the clamp shown in FIG.

The clamp 21 of this embodiment is shown in FIGS.
As shown in FIG. 2, for attaching the attachment portion 23, which is made of a synthetic resin integrally molded product, and attached to the wire harness 3 including a plurality of electric wires, and to attach the attachment portion 23 to the panel 7 such as a vehicle, which is a counterpart attachment portion. And a locking portion 25 of.

The mounting portion 23 is formed of a rectangular plate-like member, and an intermediate portion in the longitudinal direction is bent so as to project upward, which is the opposite side to the mating mounting portion side. Therefore, an intermediate portion in the longitudinal direction of the mounting portion 23 is a concave portion 27 formed so as to open downward on the mating mounting portion side.
Further, on the lower surface of the mounting portion 23, the contact portions 29, 29 that come into contact with the panel 7 when the mounting portion 23 is locked to the panel 7.
Is provided.

The abutting portions 29 are formed in the shape of a long rod and are provided on both sides of the lower surface of the mounting portion 23 in the longitudinal direction so as to project along the width direction. The tip of this abutting portion 29 comes into contact with the panel 7, and when the tip comes into contact with the panel 7,
The downward movement of the mounting portion 23 is restricted with a space having a predetermined dimension between the mounting portion 23 and an exposed portion 29 described later and the panel 7.

As shown in FIG. 3, the mounting portion 23 is provided with an exposed portion 30 which is exposed in the state of being mounted on the wire harness 3. The exposed portion 30 is formed of a flexible rectangular plate-like body, and projects in the width direction from the intermediate portion of the mounting portion 23. The exposed portion 30 is provided with a recess 31 continuous with the recess 27 of the mounting portion 23.

As shown in FIGS. 1 to 6, the recess 31 is formed by bending an intermediate portion of the exposed portion 30 in the longitudinal direction,
Similar to the recess 27 of the mounting portion 23, it is formed so as to project upward with respect to the upper surface of the exposed portion 30 and open downward. When the upper surface of the recess 31 is pressed downward, the recess 31 is bent downward as a whole. Also,
As shown in FIG. 3, the concave portion 31 is provided with a disk-shaped bulging portion 35 at a substantially central position on the upper surface as a mark when hitting with a tool 57 described later. The recess 31 is
For example, it may be formed in a semicircular cross section, or may be omitted.

On the other hand, the locking portion 25 has a support column 37 protruding from the exposed section 30 and a breakable section 39 which can be broken by the support column 37.
And an engaging blade portion 41 that is engaged with the engaging hole 13 of the panel 7.

As shown in FIGS. 1 and 3 to 6, the column 37 is formed in a rectangular plate shape, and is projected downward from the lower surface corresponding to the bulging portion 35 of the recess 31 of the exposed portion 30. ing. This strut 37 has slopes 4 on both sides in the width direction of the tip.
It has 3,43. In addition, a regulation portion 45 is provided at the tip of the pillar 37.

The restricting portion 45 is disk-shaped, and has an upper surface 47 formed by a plane that intersects in the vertical direction and a lower surface formed by a curved surface projecting downward. The upper surface 47 of the restricting portion 45 is connected to the tip of the support pillar 37, and projects outward with respect to both side surfaces of the support pillar 37. The restriction unit 45
Can be appropriately omitted depending on the specifications of the clamp 21.

As described above, the engaging blade portion 41 is connected to the column 37 via the breakage portion 39.
The breaking portion 39 is formed in a thin plate shape and has elasticity, and is arranged at a predetermined upper position with respect to the upper surface 47 of the restricting portion 45 on both side surfaces of the column 37. This broken portion 39 is
The pillars 37 project from both side surfaces of the pillar 37 toward the outside intersecting in the vertical direction, and extend along the width direction of the pillar 37.
Then, the breaking portion 39 is broken by being pulled between the column 37 and an engaging blade portion 41 described later.

The engaging blade portion 41 connected to the column 37 by the breaking portion 39 is formed in a long plate shape, and the column 3
7 are arranged along the vertical direction and are inclined so as to gradually spread outward toward the upper side. The engagement blade portion 41 has an inner surface with a gap between both side surfaces of the support column 37, and the inner surface is connected to the tip of the breaking portion 39 to support the support column 3.
7 is elastically displaced with respect to 7. That is, the engagement blade portion 41 uses the break portion 39 as a fulcrum to support the support column 3
7 can be displaced in the vertical direction.

The engaging blade portion 41 has a lower tip portion 4
9 is formed by a flat surface, and its tip end 49 has a restriction portion 45.
Faces the upper surface 47 of the fractured portion 39 with a space having a size smaller than the dimension of protrusion from both side surfaces of the column 37. Then, when the pillar 37 is displaced upward with respect to the engaging blade portion 41 with the breaking portion 39 as a fulcrum, the tip portion 49 comes into contact with the upper surface 47 of the restricting portion 45 of the pillar 37 to displace the pillar 37 upward. It is regulated. This engaging blade portion 41
An engaging groove 51 that engages with the engaging hole 13 of the panel 7 is provided on the upper side of the outer surface.

The engaging groove 51 is provided from the outer surface to the inner surface side of the engaging blade portion 41, and is formed along the width direction of the engaging blade portion 41. The dimension of the engagement groove 51 between the inner surfaces 53, 55 facing each other in the vertical direction is set to be substantially the same as the thickness of the panel 7. Then, the engaging groove 51
When the inner surfaces 53 and 55 come into contact with both sides of the panel 7, the inner surfaces 53 and 55 are fitted and engaged with the opening edge of the engagement hole 13, and the engagement hole 13
The state of engagement with the broken portion 39 is retained by the elastic force of the breaking portion 39.

When using such a clamp 21, as shown in FIGS. 3, 5 and 6, first, the mounting portion 23 is mounted at a predetermined position of the wire harness 3. Next, the mounting portion 23 is locked to the panel 7 by the locking portion 25.

When the mounting portion 23 is mounted on the wire harness 3 at a predetermined position, the upper surface of the mounting portion 23 is aligned with the wire harness 3, and in this state, the mounting portion 23 and the wire harness 3 are wound with a tape (not shown). The attachment portion 23 attached to the wire harness 3 in this manner is locked to the panel 7 by the locking portion 25.

When the mounting portion 23 is locked to the panel 7, the engaging blade portion 41 of the locking portion 25 is engaged with the engaging hole 1 of the panel 7.
In the state of being matched with 3 in advance, the mounting portion 23 is moved downward to push the engagement blade portion 41 into the engagement hole 13 of the panel 7.

When the engaging blade portion 41 is pushed into the engaging hole 13 of the panel 7, the outer surface of the engaging blade portion 41 slides along the opening edge of the engaging hole 13, and the engaging blade portion 41 uses the breaking portion 39 as a fulcrum. It is displaced so as to approach the column 37.

Then, when the engaging blade portion 41 is further pushed into the engaging hole 13 to dispose the engaging groove 51 in the engaging hole 13, the elastic force of the breaking portion 39 causes the engaging blade portion 41 to be attached to the outside. It is urged to return to the initial position. As a result, in the engaging blade portion 41, the engaging groove 51 is fitted and engaged with the opening edge of the engaging hole 13 of the panel 7, and the engaging hole 1 of the engaging groove 51 is engaged.
The state of engagement with 3 is held by the elastic force of the breakage portion 39 and locked to the panel 7.

Therefore, the clamp 21 has the locking portion 25.
Thus, the mounting portion 23 is locked to the panel 7, and the predetermined position of the wire harness 3 is fixed to the panel 7.

In this state, the tip of the contact portion 29 is in contact with the panel 7, and the downward movement of the mounting portion 23 is restricted. Therefore, the downward displacement of the column 37 due to the downward movement of the mounting portion 23 is restricted. When the mounting portion 23 moves upward, the mounting portion 23
The column 37 is displaced upward with respect to the engaging blade portion 41 locked to the panel 7 with the movement of. At this time, the pillar 3
7, the upper surface 47 of the restriction portion 45 comes into contact with the tip end portion 49 of the engagement blade portion 41 to restrict upward displacement.

Therefore, the clamp 21 has the mounting portion 23.
Of the support blade 37 to the panel 7,
Since the vertical displacement of the wire harness 3 is restricted, the breaking portion 39 does not break even when an inadvertent force is applied to the wire harness 3. As a result, the clamp 21 can securely fix the wire harness 3 to the panel 7.

When the wire harness 3 whose predetermined position is fixed to the panel 7 by the clamp 21 is removed, first, as shown in FIG. 7, the exposed portion 30 of the mounting portion 23 of the clamp 21 is pressed downward. The breaking portion 39 of the locking portion 25 is broken. Next, the wire harness 3 (not shown) is pulled upward. The downward pressing of the exposed portion 30 is performed by striking the bulging portion 35 of the recess 31 with a tool 57 such as a hammer.

When the bulging portion 35 is hit with the tool 57,
The exposed portion 30 bends downward with the base end side as a fulcrum with respect to the mounting portion 23 whose downward movement is restricted by the contact portion 29, and the concave portion 31 bends downward as a whole. The support column 37 protruding from the recess 31 of the exposed portion 30 is different from the exposed blade portion 3 with respect to the engaging blade portion 41 locked to the panel 7.
According to the flexure of 0 and the flexure of the concave portion 31, the fractured part 39 is displaced downward as a fulcrum. At this time, the clamp 21
Since the concave portion 31 bends downward together with the exposed portion 30, the support 37
Is easily displaced downward with respect to the engaging blade portion 41.

Then, when the support column 37 is displaced downward with respect to the engaging blade portion 41, FIGS. 8 (a), 8 (b), and 9 are shown.
As shown in FIG.
It is pulled between 7 and, and is broken by this pull.

In this state, the engagement blade portion 41 locked to the panel 7 and the support 37 are separated, and the support 3
The attachment portion 23 on the 7 side is in a free state in which the locking to the panel 7 is released. Therefore, the wire harness 3
By pulling (not shown) upward, it can be removed from the panel 7 together with the mounting portion 23. In addition, the engagement blade portion 41 remaining on the engagement hole 13 side has the engagement hole 1 after the attachment portion 23 is removed from the panel 7 together with the wire harness 3.
3 can be removed.

In the clamp 21 of the present embodiment described above, with the mounting portion 23 locked to the panel 7, the bulging portion 35 of the recess 31 is hit by the tool 57 to press the exposed portion 30 downward, 30 and the concave portion 31 are bent to break the broken portion 3
The support 37 can be displaced downward with respect to the engaging blade 41 with the fulcrum 9 as a fulcrum, and the break 39 can be broken.

Therefore, in the clamp 21, the locking portion 25
It is possible to release the locking of the mounting portion 23 to the panel 7 by one-touch, and after releasing the locking of the mounting portion 23 to the panel 7, simply attach the wire harness 3 by pulling the wiring harness 3 upward. The part 23 can be removed from the panel 7, and then the engagement blade part 41 remaining on the panel 7 side can be removed from the panel 7, and can be easily and surely removed from the panel 7.

Further, in the clamp 21, the engaging blade portion 41
Engages by engaging the engaging groove 51 with the opening edge of the engaging hole 13 of the panel 7, so that when the bulging portion 35 of the recess 31 is hit and the exposed portion 30 is pressed downward, The support 37 can be reliably displaced downward with respect to the engaging blade portion 41 with the portion 39 as a fulcrum.

In the clamp 21, the abutment portion 29 comes into contact with the panel 7 in a state where the attachment portion 23 is locked to the panel 7, so that the engagement blade portion of the support column 37 is caused by the downward movement of the attachment portion 23. The downward displacement with respect to 41 is restricted, and the column 3
The upper surface 47 of the restriction portion 45 of No. 7 is the tip portion 4 of the engaging blade portion 41.
By abutting against 9, the upward displacement of the column 37 with respect to the engaging blade portion 41 due to the upward movement of the mounting portion 23 is restricted.

Therefore, in the clamp 21, the support 37 is restricted from being displaced in the vertical direction with respect to the engaging blade portion 41, and the breaking portion 39 is broken even when an inadvertent force is applied to the wire harness 3. There is nothing to do. As a result, in the clamp 21, the panel 7 of the wire harness 3 is
Can be securely fixed to.

Further, in the clamp 21, since the fractured portion 39 has a thin plate shape, the support 37 is formed with the fractured portion 39 as a fulcrum.
When is displaced downward with respect to the engaging blade portion 41, the breaking portion 39 can be broken more easily, and the locking of the mounting portion 23 to the panel 7 can be released more easily.

In the clamp 21 of the above embodiment,
Although the contact portion 29 is formed in the shape of a long rod provided on the lower surface of the mounting portion 23, it may be formed by the lower surface of the mounting portion 23.

In the clamp 21, the pillar 37 is provided on the exposed portion 30, but the pillar 37 may be provided on the mounting portion 23. In this case, the contact portion 29 and the concave portion 31
Is omitted and the rigidity of the exposed portion is improved, and the mounting portion is locked to the panel 7 by the locking portion 25 in a state where the mounting portion has a space with a predetermined dimension.
Then, when the locking of the mounting portion to the panel 7 is released, the mounting portion as a whole is moved downward by the pressing force of the exposed portion to displace the column 37 downward with respect to the engaging blade portion 41. To

In the clamp 21 of this embodiment, the concave portion 31 provided in the exposed portion 30 bends together with the exposed portion 30 to facilitate the displacement of the support column 37 downward with respect to the engaging blade portion 41. Even if the concave portion is provided between the exposed portion 30 and the mounting portion 23, the exposed portion 30 can be easily bent downward with respect to the mounting portion 23, and the column 37 can be easily displaced downward with respect to the engaging blade portion 41. Good.

In the engagement groove 51, the dimension between the inner surfaces 53 and 55 is set to be substantially the same as the plate thickness of the panel 7, and the inner surface 5
The contact holes 3 and 55 come into contact with both sides of the panel 7 so that the engaging holes 13
Is formed so as to be fitted to the opening edge of the inner surface 53,
55 may be formed to have a dimension larger than the plate thickness of the panel 7, and may be formed so as to be fitted with a gap between both side surfaces of the panel 7 and at least one of the inner surfaces 53 and 55. .

That is, the engaging groove is configured so that when the exposed portion 30 is pressed downward, the inner surface 53 comes into contact with the panel 7 at the upper side and restricts the downward displacement of the engaging blade portion 41. Good.

Further, in the clamp 21, the breaking portion 39 is formed in a continuous thin plate shape, but it may be formed in a plurality of thin plate shapes having a space of a predetermined pitch between adjacent ones.

(Second Embodiment) A second embodiment of the clamp according to the present invention will be described below with reference to the drawings. The same components as those in the above embodiment are designated by the same reference numerals, and detailed description thereof will be omitted. FIG. 10 is a sectional view showing a second embodiment of the clamp according to the present invention.

As shown in FIG. 10, the clamp 59 according to the present embodiment has substantially the same structure as the clamp 21 according to the above-mentioned embodiment. An engaging step 67 that engages with the engaging hole 13 of the panel 7 is provided at the tip 65 on the upper side of the engaging blade 63 without providing a mating groove, and the frame 7 is provided on the panel 7.
9 is provided.

The engagement step portion 67 is formed by cutting out from the upper side of the outer surface of the engagement blade portion 63 to the upper end portion 65, and engages with the opening edge of the engagement hole 13 from the lower side of the panel 7. It is supposed to do. Therefore, the engagement step 67
By engaging with the opening edge of the engaging hole 13, the engaging blade portion 63 projects downward from the engaging hole 13 and engages with the engaging hole 13. Also, the engagement step 67
The engagement state with the opening edge of the engagement hole 13 is held by the elastic force of the breakage portion 39.

On the other hand, the frame portion 69 is formed in a box shape having an opening at the upper side, and is provided so as to cover the engagement hole 13 from the lower side of the panel 7. The frame portion 69 has the engaging blade portion 63.
In a state of being engaged with the engaging hole 13, the lower end portion 49, which is the front end of the exposed portion 30 of the engaging blade portion 63 in the pressing direction, is brought into contact.

Further, the frame portion 69 has the engagement hole 13 of the bottom wall 73.
Has a through hole 75 having a cross-sectional shape that is substantially the same as or slightly larger than the cross-sectional shape of the support column 61, and the engaging hole 13 of the engaging blade portion 63
In a state of being engaged with, the tip end of the support column 61 protruding below the tip end portion 49 of the engaging blade portion 63 is inserted into the through hole 75.

When such a clamp 59 is used, the mounting portion 23 is mounted at a predetermined position of the wire harness 3 (not shown) in the same manner as in the above embodiment, and the mounting portion 23 is mounted on the panel 7 by the locking portion 71. The wire harness 3 (not shown) is fixed to the panel 7 at a predetermined position by being locked to the panel 7.

In this state, since the engagement step portion 67 engages with the opening edge of the engagement hole 13 of the panel 7 from below, the engagement blade portion 63 engages with the engagement hole 13, The upward displacement of the compound blade 63 is restricted.

The clamp 59 projects downward from the engaging hole 13 when the engaging blade portion 63 engages with the engaging hole 13, and the lower end portion 49 of the engaging blade portion 63 has a frame portion. The inner surface of the bottom wall 73 of 69 is abutted.

In this way, the wire harness 3 (not shown) is fixed at a predetermined position on the panel 7 by the clamp 59.
Are removed from the panel 7 in the same manner as in the above embodiment. That is, as shown in FIG. 10 and FIG. 11, the clamp 59 is locked by pressing the exposed portion 30 of the mounting portion 23 of the clamp 59 by hitting the bulging portion 35 with a tool 57 such as a mallet. The breaking portion 39 of the portion 71 is broken, and then the wire harness 3 (not shown) is pulled upward.

When the bulging portion 35 is hit with the tool 57,
The exposed portion 30 and the recess 31 are bent downward, and the support column 61 and the support column 6 protruding from the recess 31 of the exposed portion 30 are provided.
The engaging blade portion 63 connected to 1 is about to be displaced downward.

At this time, the clamp 59 is engaged with the engaging blade portion 6
Since the front end portion 49 of the No. 3 is in contact with the inner surface of the bottom wall 73 of the frame portion 69, the engagement blade portion 63 is restricted from being displaced downward, and only the support column 61 is displaced downward. That is, the exposed portion 30
Is pressed downward, the tip end portion 49 of the engaging blade portion 63 comes into contact with the inner surface of the bottom wall 73 of the frame portion 69, the downward movement of the engaging blade portion 63 is restricted, and the flexure of the exposed portion 30 occurs. In accordance with the bending of the concave portion 31, it gradually moves downward from the frame portion 69 through the through hole 75 and is displaced downward with respect to the engaging blade portion 63 with the breaking portion 39 as a fulcrum. As a result, as shown in FIG. 11 and FIG.
Is pulled between the engaging blade portion 63 and the column 61, and is broken by this pulling.

Therefore, when the wire harness 3 (not shown) is pulled upward, it can be removed from the panel 7 together with the mounting portion 23. Further, the engagement blade portion 63 remaining on the engagement hole 13 side can be removed from the engagement hole 13 after the attachment portion 23 is removed from the panel 7 together with the wire harness 3 (not shown).

In the clamp 59 of the present embodiment, substantially the same action and effect as those of the above-described embodiment can be obtained, and in addition, the bulging portion 35 of the recess 31 is hit to expose the exposed portion 3
When 0 is pressed downward, the lower end portion 49 of the engaging blade portion 63 comes into contact with the inner surface of the bottom wall 73 of the frame portion 69, and the downward displacement of the engaging blade portion 63 is restricted. Stanchion 6
Only 1 can be displaced downwards.

Therefore, in the clamp 59, the exposed portion 3
According to the flexure of 0 and the flexure of the concave portion 31, the pillar 61 can be reliably displaced downward with respect to the engaging blade portion 63 with the breakage portion 39 as a fulcrum.

In the clamp 59, the engaging blade 63
Is engaged with the engaging hole 13, the engaging stepped portion 67 engages with the opening edge of the engaging hole 13 of the panel 7 from below, whereby the upward displacement of the engaging blade portion 63 is restricted, Tip 49
Is abutted on the inner surface of the bottom wall 73 of the frame portion 69, whereby the downward displacement of the engaging blade portion 67 is restricted. Therefore, in the clamp 59, it is possible to prevent the engagement blade portion 67 from reliably engaging the engagement hole 13 and the locking portion 71 from being pulled out from the engagement hole 13, and to secure the mounting portion 23 to the panel 7. Can be locked to.

Further, in the clamp 59, since the frame portion 69 has a box shape in which the engagement hole 13 is covered with the lower side of the panel 7, when the mounting portion 23 is removed together with the wire harness 3 after the break portion 39 is broken, The engagement blade portion 69 remaining in the engagement hole 13 can be held inside the frame portion 69.

The second embodiment of the clamp according to the present invention has been described above, but the present invention is not limited to this, and various design changes associated with the constituent elements can be made.

For example, in the above embodiment, the engaging blade portion 6
While the inner surface of the bottom wall 73 of the frame portion 69 is in contact with the tip end portion 49 of the engagement blade portion 63 in the engagement state of the engagement blade portion 3 of No. 3 with the engagement hole 13 of the engagement blade portion 63 of FIG. It may be configured such that there is a slight gap between the inner surface of the bottom wall of the frame portion and the tip end portion 49 of the engaging blade portion 63 in the engagement state with. In this case, when the exposed portion 30 is pressed downward, the engaging blade portion 63 is displaced downward together with the support column 61, and the tip end portion 49 of the engaging blade portion 63 comes into contact with the inner surface of the frame portion 69. Become.

Further, the frame portion does not have to be box-shaped, and may be formed in a pair of arms having an L-shaped cross section, for example.

[0082]

As described above, according to the first aspect of the present invention, with the engagement blade portion engaged with the engagement hole, the exposed portion is pressed toward the mating attachment portion, and the strut is formed with the breaking portion as a fulcrum. The breaking portion can be broken by displacing the engaging blade portion toward the mating attachment portion side.

Therefore, the locking of the mounting part to the panel by the locking part can be released with one touch, and after the locking of the mounting part to the mating mounting part is released, the electric wire is attached to the mating mounting part side. By simply pulling to the opposite side, the mounting part together with the electric wire can be removed from the mating mounting part, and then the engaging blades remaining on the mating mounting part can be removed from the mating mounting part, making it easy and reliable from the mating mounting part. It can be removed.

According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, the engagement blade portion is engaged by fitting the engagement groove into the opening edge of the engagement hole of the mating attachment portion. When the exposed portion is pressed toward the mating attachment portion side, the support pillar can be reliably displaced toward the mating attachment portion side with respect to the engaging blade portion with the breakage portion as a fulcrum.

According to the invention described in claim 3, in addition to the effect of the invention described in claim 1, when the exposed portion is pressed downward, the front end in the pressing direction of the exposed portion of the engaging blade portion comes into contact with the frame portion. The displacement of the engagement blade portion is regulated, and the strut can be reliably displaced toward the mating attachment portion side with respect to the engagement blade portion with the breaking portion as a fulcrum.

According to a fourth aspect of the invention, in addition to the effect of the invention according to any one of the first to third aspects, in the state where the engagement blade portion is engaged with the engagement hole, the exposed portion is the mating attachment portion. It is possible to rupture the ruptured portion by pressing it to the side to bend the exposed portion toward the mating attachment portion side, and displace the strut toward the mating attachment portion side with respect to the engaging blade portion with the rupture portion as a fulcrum.

Further, since the abutting portion abuts on the mating mounting portion and the movement of the mounting portion to the mating mounting portion side is restricted, the exposed portion pressed to the mating mounting portion side mates with the mating mounting portion. It can be surely bent to the mounting portion side.

As a result, it is possible to surely displace the strut protruding from the exposed portion to the mating mounting portion side with respect to the engaging blade portion locked to the mating mounting portion in accordance with the bending of the exposed portion. The breakage portion can be broken more easily, and the engagement of the attachment portion with the mating attachment portion can be released more easily.

Further, since the movement of the mounting portion to the mating mounting portion side is regulated by the abutting portion coming into contact with the mating mounting portion, the displacement of the strut to the mating mounting portion side with respect to the engaging blade portion is regulated. Even if an inadvertent force is applied to the electric wire, the breaking portion can be prevented from breaking and the electric wire can be reliably fixed to the mating mounting portion.

According to the invention of claim 5, in addition to the effect of the invention of claim 4, when the exposed portion is pressed toward the mating attachment portion,
Since the recessed portion bends toward the mating attachment portion side together with the exposed portion, it is possible to easily displace the support column to the mating attachment portion side with respect to the engaging blade portion.

Therefore, the breaking portion can be broken more easily, and the locking of the mounting portion to the mating mounting portion side can be released more easily.

According to a sixth aspect of the invention, in addition to the effects of the invention according to any one of the first to fifth aspects, when the mounting portion moves to the opposite side to the mating mounting portion side, the regulating portion causes the engaging blades to move. By contacting the root portion, it is possible to prevent the support column from displacing to the side opposite to the mating attachment portion side with respect to the engaging blade portion.

Therefore, even if an inadvertent force is applied to the electric wire, it is possible to more reliably prevent the breaking portion from breaking, and to more securely fix the electric wire to the mating mounting portion. it can.

According to the invention of claim 7, in addition to the effect of the invention of any one of claims 1 to 6, since the fractured portion is a thin-walled plate-like shape, the strut uses the fractured portion as a fulcrum to engage the support blade portion. On the other hand, when it is displaced toward the mating attachment portion side, the break portion can be broken more easily.

Therefore, the locking of the mounting portion with the mating mounting portion can be released more easily.

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of a clamp according to the present invention.

FIG. 2 is a plan view showing a state in which the clamp shown in FIG. 1 is attached to a panel.

FIG. 3 is a rear view of the clamp shown in FIG.

4 is a cross-sectional view of the clamp shown in FIG. 2 taken along the line AA.

FIG. 5 is a side view of the clamp shown in FIG. 3 taken in the direction of arrow a.

6 is a side view from the clamp arrow b direction shown in FIG.

FIG. 7 is a cross-sectional view when the clamp according to the first embodiment of the present invention is removed from the panel.

FIG. 8 (a) is a cross-sectional view of the clamp according to the first embodiment of the present invention when the fracture portion is broken, FIG. 8 (b).
FIG. 9 is an enlarged cross-sectional view of a main part of the clamp shown in FIG.

FIG. 9 is a cross-sectional view showing an attachment portion when a fracture portion of the clamp according to the first embodiment of the present invention is fractured.

FIG. 10 is a cross-sectional view showing a second embodiment of the clamp according to the present invention.

11 is a cross-sectional view of a state in which the breakage portion is broken when the clamp shown in FIG. 10 is removed from the panel.

12 is a cross-sectional view showing a mounting portion shown in FIG.

FIG. 13 is a cross-sectional view showing a conventional clamp.

14 is a cross-sectional view when the wire harness is removed from the clamp shown in FIG.

FIG. 15 is a cross-sectional view showing a state in which the wire harness is removed from the clamp shown in FIG.

[Explanation of symbols]

3 Wire harness (electric wire) 7 panels (mounting part) 13 Engagement hole 21,59 clamp 23 Mounting part 25,71 locking part 30 Exposed part 37,61 props 39 fracture 41, 63 Engaging blade part 51 engagement groove 69 frame

   ─────────────────────────────────────────────────── ─── Continued front page    F term (reference) 3J001 FA02 GA06 GB01 HA02 HA07                       JB03 KA19 KB01 KB02                 3J036 AA03 BA01 DA06 DB04                 3J037 AA02 BA02 BB04 DA02 DA13                       DB01 DC02

Claims (7)

[Claims] 1. A clamp comprising a mounting portion mounted on an electric wire and a locking portion for locking the mounting portion to a mating mounting portion, wherein the mounting portion is exposed in a state of being mounted on the electric wire. Having an exposed portion, the locking portion is connected to a strut protrudingly provided on one of the exposed portion or the mounting portion and a rupturable breakable portion on the strut, And an engaging blade portion that engages with an engaging hole and locks the mounting portion with the mating mounting portion. When the engaging blade portion is engaged with the engaging hole, the exposed portion is the mating portion. A clamp characterized by displacing the column toward the mating mounting portion side with respect to the engaging blade portion by being pressed toward the mounting portion side with the breaking portion as a fulcrum. 2. The clamp according to claim 1, wherein the engagement blade portion has an engagement groove fitted into an opening edge of the engagement hole in a state of being engaged with the engagement hole. Clamp characterized by that. 3. The clamp according to claim 1, wherein the mating side attachment portion includes a frame portion, and the locking blade portion is configured such that when the exposed portion is pressed toward the mating attachment portion side. A clamp, wherein a front end of the exposed portion in the pressing direction abuts on the frame portion. 4. The clamp according to claim 1, wherein the attachment portion has an abutment portion that abuts the mating attachment portion in a state of being locked to the mating attachment portion. Then, the pillar is provided in the exposed portion, the exposed portion is formed into a flexible plate shape, and the mating attachment portion side in an engaged state of the engaging blade portion with the engaging hole. A clamp which bends toward the mating attachment portion side with respect to the attachment portion when pressed by the clamp. 5. The clamp according to claim 4, further comprising a concave portion formed by bending the exposed portion, the concave portion being opened on the side of the mating mounting portion when the mounting portion is locked to the mating mounting portion. Clamp characterized by. 6. The clamp according to claim 1, wherein the clamp is provided on the pillar, and the mounting portion is locked to the mating mounting portion with the breaking portion serving as a fulcrum. A clamp comprising: a restricting portion that restricts displacement of the support column to the opposite side with respect to the mating mounting portion side when moving to the opposite side with respect to the mating mounting portion side. 7. The clamp according to any one of claims 1 to 6, wherein the fractured portion is formed in a thin plate shape.