JP2818138B2 - Lock legs and belt clamps for mounting components - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking leg for mounting a component, such as a clamp or a clip, to a mounting panel such as a body panel of a vehicle, and to the mounting leg thereof.
The present invention relates to a belt clamp having an attachment locking leg .

[0002]

2. Description of the Related Art FIG. 10 is a front view of a conventional example of a locking leg for attaching a component. The locking leg 80 is made of a synthetic resin molded product, and includes a board portion 81 provided on a component such as a clamp or a clip.
1, and a pair of flexible locking pieces 83 formed in a folded shape from the tip of the support 82 toward the substrate section 81. On the free end side, a single-stage engaging step portion 83a for engaging with the mounting hole 85 of the mounting panel 84 is provided. When the locking leg 80 is inserted into the mounting hole 85 of the mounting panel 84, the locking piece 83 is bent by the mounting hole 85, and the locking piece 83 is elastic when the substrate portion 81 contacts the mounting panel 84. After being restored, the engaging step 83a is engaged with the mounting hole 85 so that it is prevented from coming off.

[0003]

The above-mentioned conventional locking leg 80
According to this, the mounting panel 84 having a plate thickness t suitable for the distance between the substrate portion 81 and the engagement step portion 83a can be locked without play, but when the plate thickness t of the mounting panel 84 changes, the play is reduced. Or cannot be locked. For this reason, a locking leg 80 corresponding to the thickness t of the mounting panel 84 must be prepared each time, and there is a problem that it takes time to manage parts.

The present invention has been made in order to solve the above-mentioned problems, and an object of the present invention is to make it possible to cope with a plurality of types of mounting panels having different plate thicknesses, thereby saving the trouble of parts management. Lock legs and belts for mounting components
It is to provide a clamp .

[0005]

According to a first aspect of the present invention, there is provided a circuit board provided on a component such as a clamp or a clip, and a mounting panel suspended from the circuit board.
A support rod inserted into the mounting hole, a flexible locking piece formed in a folded shape from the tip of the support column toward the substrate portion, and a mounting hole of the mounting panel provided in the locking piece.
An engaging step that can be engaged , wherein the engaging step is
Mounting holes of mounting panels of the same width but different thickness
Shift to engageably provided with a plurality of even and Pas <br/> panel retaining surface of Kakukakarigodan unit thickness of the mounting path corresponding to the engaging Godan unit
Nell a component mounting engagement Tomeashi that are formed so as to face substantially parallel with the mounting panel back side when engaged in the mounting hole of the. According to the component mounting locking leg of the present invention, the locking piece is bent by the mounting hole by being inserted into the mounting hole of the mounting panel, and the locking piece is bent when the substrate portion contacts the mounting panel. Is elastically restored, and the engaging step is engaged with the mounting hole so that it is prevented from coming off. However, since a plurality of engaging steps are provided at the distal end of the locking piece, even when the thickness of the mounting panel is different, the engaging step corresponding to the plate thickness is formed with the mounting hole. By the engagement, it is possible to properly insert and attach to the mounting panel without causing play or being unable to be locked. Further, when each of the engaging steps engages with the mounting hole of the mounting panel having the thickness, the panel retaining surface of the engaged engaging step and the rear surface of the mounting panel face substantially parallel. Thereby, the degree of engagement of the panel retaining surface of the engaging step with the mounting panel becomes appropriate.

[0006] The invention of claim 2 is approximately 90 ° with respect to stop surface Anakabegakari stop surface of each engagement step omission panel of the engagement Godan unit
2. The component mounting locking leg according to claim 1, wherein the locking leg is formed at an angle. According to the locking leg for component mounting according to the second aspect, a large allowance can be obtained for the panel retaining surface of each engaging step portion with respect to the mounting panel having a different plate thickness, and therefore, the locking leg with respect to the mounting panel can be taken. The holding power can be increased.

According to a third aspect of the present invention, there is provided an elongate belt,
A substrate portion provided on the band portion;
A support inserted into the mounting hole of the panel, and a tip of the support
From the back to the substrate
A locking piece that is provided on the locking piece,
An engagement step that can be engaged with the mounting hole, wherein the engagement step is
For mounting panels with the same width of mounting holes but different thicknesses
A plurality of engagement holes are provided so as to be engageable with each
The panel retaining surface of the step is the thickness corresponding to the engaging step.
When the mounting panel is engaged with the mounting hole of the mounting panel,
A belt that is formed to face almost parallel to the back
It is a lamp. In the belt clamp according to the third aspect of the present invention,
According to this, the pillars suspended from the board part provided in the band part are locked
By inserting it into the mounting hole of the mounting panel together with the piece
The locking piece is bent by the mounting hole, and the board is mounted
When it comes into contact with the panel, the locking piece elastically recovers,
The part is prevented from coming off by engaging with the mounting hole. However
A plurality of engagement steps are provided at the tip of the locking piece.
Even if the thickness of the mounting panel is different,
The engagement step corresponding to the plate thickness engages with the mounting hole.
Cause rattling or inability to lock
It can be properly inserted into the mounting panel.
Also, each engaging step is associated with a mounting hole of the mounting panel having the thickness.
When mated, prevent the panel from coming off at the engaged step
The surface and the back of the mounting panel face almost parallel.
Of the panel retaining surface of the engaging step to the mounting panel.
The hooking condition is appropriate.

According to a fourth aspect of the present invention, each of the engaging step portions is locked by a hole wall.
The surface is approximately 90 ° to the panel retaining surface of the engaging step.
4. The belt clamp according to claim 3, wherein the belt clamp is formed at an angle of?
It is. According to the belt clamp of the fourth aspect.
And the panel of each engaging step for mounting panels of different thickness
The retaining allowance of the retaining surface can be increased,
Therefore, the holding force of the locking leg to the mounting panel is increased.
Can be.

[0009]

[Embodiment 1]

The first embodiment will be described with reference to FIGS. 1-5. The locking legs according to the first embodiment are applied to a belt clamp of a vehicle wire harness. FIG. 1 is an explanatory view of a belt clamp, in which (a) is a front view,
(B) is a partially broken right side view, and (c) is a plan view. The side cross-sectional view of the belt clamp is shown in FIG. 2 (a),
(B) is a cross-sectional view taken along line CC of (a). Figure 1
As shown in FIG. 2 and FIG. 2 , the present belt clamp is formed integrally with a synthetic resin material, and has a flexible long band portion 210 and a buckle connected to the band portion 210. The main part includes a part 250 and a locking leg 220 connected to the buckle part 250.

A plurality of engagement teeth 211 are formed on the outer side (rear side in the drawing) of the belt 210 on the anti-winding side at regular intervals in the longitudinal direction.
Ribs 212 are formed on both side edges thereof. Further, ribs 214 are formed on both side edges of the inner side surface (front side in the figure) on the winding side of the band portion 210. A plurality of non-slip projections 213 are formed in a row at regular intervals in the longitudinal direction on the outer surface of the tip of the band 210.

[0011] As a base end portion of the band portion 210 to the buckle 250 which is continuously provided is shown in FIG. 2 (a),
An insertion hole 254 for inserting the band portion 210 is provided in a penetrating manner in the front-rear direction. On the lower wall of the insertion hole 254, a flexible engagement piece 255 extending rearward from a front portion thereof is formed. The engagement teeth 255 of the band 210 are provided on the engagement pieces 255.
Two engagement projections 256 that can be engaged with 1 are formed. The engagement protrusion 256 uses the elastic deformation of the engagement piece 255 to engage the engagement teeth 211 when tightening the band portion 210.
Are allowed, and the oppositely directed teeth 211 are prevented from passing. The free end of the engagement piece 255 is an engagement release piece 257. By operating the engagement release piece 257 to bend the engagement piece 255, the engagement teeth 211
Can be disengaged from the engagement protrusion 256.

FIG. 3 is an explanatory view of a locking leg 220 connected to the lower surface of the buckle portion 250, in which (a) is a partially cutaway front view, (b) is a bottom view, and (b) is a bottom view. (c) is a right side view, (d) is an enlarged view of the locking step, (e) is a plan view of (d), and (f) is an explanatory view of the locking step. Fig. 3 (a)
As shown in (c), the locking leg 220 includes a substrate portion 221 having a substantially oval shape in a plane, a column 222 suspended from the substrate portion 221, and a substrate portion 221 from the tip of the column 222. And a pair of flexible locking pieces 223 formed in a folded shape toward the front. Note that the substrate portion 221 has a stabilizer 224 having a substantially suction cup shape on the lower surface thereof.

On the free end side of the locking piece 223, there is formed an engaging step 223a for engaging with a mounting hole 241 of a mounting panel 240 described later. This engagement step portion 223a
FIG. 3 (d), the formed plurality stepwise as shown in (e) (the figure shows a three-stage.). The mounting panel 24
As shown in FIG. 4 , which is an explanatory view of the mounting state of the locking leg 220, a substantially oval mounting hole 241 is formed in the “0”. 4 (a) is a partially cutaway front view showing the engagement state of the upper engagement step, and FIG. 4 (b) is the D-
FIG. 4C is a cross-sectional view taken along the line D, (c) is a partially broken front view showing an engaged state of a middle engaging step, and (d) is a partially broken front view showing an engaged state of a lower engaging step. .

In FIG. 4 , in the first embodiment, the engaging step 223a is engaged with an arc portion extending in the short diameter direction of the mounting hole 241 of the mounting panel 240, and the engaging step 223a is engaged. The stop piece 223 is formed in an arc shape in the width direction. As also shown in FIG. 3 (d), Kakukakarigodan 2
23a, a panel retaining surface Fa substantially facing the back surface of the mounting panel 240, and a mounting hole 241 of the mounting panel 240.
An angle θ of substantially facing the hole wall engaging surface Fb on the wall,
It is set to approximately 90 ° (for example, the figure is shown at 97 °) . Note 3 (c), the interference and as shown in (e), the tip portion of the engaging pieces 223 (reference numeral 220a) that portion of the locking leg 220 at the time of flexural deformation of the locking piece 223 Some have been cut away so that they do not occur.

FIG.4As shown in FIG.
The panel retaining surface Fa of the engagement step portion 223a
Are the same on the mounting panel 240 of each plate thickness t, t1, t2.
When engaging with the mounting hole 241 having one engagement hole width W,
So that it faces almost parallel to the back of the mounting panel
Has been established. For details, in the case of this embodiment,3
As shown in (f), the lower engaging step portion 223a
Is assumed to be the position shown by the solid line,
The engagement position of the engagement step portion 223a is indicated by a one-dot chain line
), And the upper engagement step portion 223a has two engagement positions.
The position of the chain line (refer to symbol B) is reached, and the locking pieces 2
The inclination of 23 changes. The inclination of the locking piece 223 for each step
In consideration of the thickness, each of the engaging step portions 223a has a thickness t (see FIG.4
(See (a) and (b)), t1 (Fig.4(C)), t2
(Figure4(See (d)) of the mounting panel 240
When engaged with the mounting hole 241 having the combined hole width W,
The panel retaining surface Fa of each engaging step portion 223a is
The panel is formed so as to face almost parallel to the back of the panel.
You.

In the above-described belt clamp,
When clamping objects (for example, wire harnesses)
Will be explained. First, figure1(A) and (b) are shown by two-dot chain lines.
The buckle part 250 faces the object 230 to be bound
Thereafter, the band portion 210 is wound around the material 230 to be tied,
Insert the tip of the band 210 into the insertion hole 254 and buckle it.
It protrudes to the rear of the part 250. Then, beyond the belt 210
The end is pulled with a fingertip to tighten the binding object 230.
As a result, the teeth of the engagement teeth 211 of the band 210 are
Over the engaging projection 256 using the elastic deformation of
As it passes, and when the tightening is completed, the engagement protrusion
256 engages with the corresponding teeth of the engaging teeth 211,
This completes the binding of the binding object 230 (see FIG.2
(See the two-dot chain line in (a)). When tightening,
Non-slip projections 213 exert a fingertip non-slip function
You. If it becomes necessary to retighten,
By operating the engagement release piece 257, the engagement protrusion with respect to the engagement tooth 211
By releasing the engagement of 256, the band 210 is tightened.
Loosen or pull out through insertion hole 254
Can be.

Next, the locking leg 220 is inserted into the mounting hole 241 of the mounting panel 240. Then, as the locking leg 220 is inserted into the mounting hole 241, the locking piece 223 is bent by the mounting hole 241, and when the substrate portion 221 contacts the mounting panel 240, the elasticity of the locking piece 223 is changed. By the restoration, the thickness t, t1,
The engaging step 223a corresponding to t2 is prevented from coming off by engaging with the mounting hole 241 (see FIG. 4 ). By inserting the locking leg 220 into the mounting hole 241 in this manner,
The object 230 to be bound is clamped to the mounting panel 240 in a bound state. Note that the stabilizer 224 is attached to the mounting panel 24.
0 elastically abuts the surface.

As described above, according to the locking leg 220, even when the thickness of the mounting panel 240 is different, the engaging step 223a corresponding to the thickness t, t1, t2 is engaged with the mounting hole 241. By doing so, the mounting panel 240 can be secured without rattling or locking failure.
And one kind of locking leg 220 can cope with a plurality of kinds of mounting panels 240 having different plate thicknesses, so that it is possible to save labor for parts management.

[0019] According to the locking Tomeashi 220, which are set to the angle θ is approximately 90 ° with the stop surface Fa and the hole wall engaging surface Fb omission panel Kakukakarigodan portion 223a, the mounting panel 240 , The allowance of the panel retaining surface Fa of the engaging step portion 223a can be increased, and the holding force of the locking leg 220 with respect to the mounting panel 240 can be increased. This will be described in detail with reference to FIG.
And temporarily prevent the panel from falling off as shown by the two-dot chain line in the figure.
The angle θ1 between the surface Fa and the hole wall locking surface Fb is 115 °.
Compared to the set one, the panel is missing at angle θ1
While the margin of the stop surface Fa is X1, the angle is
At θ, the shaded area shown is cut off to prevent the panel from slipping off.
It is possible to make the hooking margin X of the surface Fa larger than X1.
Wear. In this way, by increasing the allowance X
The holding force of the locking leg 220 against the mounting panel 240
Can be enhanced. The angle θ is 90 °
Around 90 °, for example in the range of 90 ° to 98 °
No.

[0020] The engagement According to Tomeashi 220, Kakukakarigodan portion 223a is the thickness t, t1, t2 mounting panel 24
When the mounting panel 241 engages with the mounting hole 241 of the mounting panel 241, the panel retaining surface Fa of the engaging step 223 a and the rear surface of the mounting panel face substantially parallel to each other.
Accordingly, the degree of engagement of the panel retaining surface Fa of the engagement step portion 223a with respect to 0 is appropriate.

[0021] The Embodiment 2 [Embodiment 2] will be described in accordance with FIGS. 6-9. Note the second embodiment are denoted by 3 to 100 digits in part in a portion that is considered the same or substantially the same configuration as Embodiment 1 because embodiment is a modification of the first embodiment, 10
The description will be simplified by assigning a common code to the first digit and the first digit, and the changed parts will be described in detail. FIG. 6 is an explanatory view of the belt clamp, in which (a) is a front view, (b) is a partially broken right side view, and (c) is a plan view. The side cross-sectional view of the belt clamp is shown in FIG. 7 (a), there is shown a sectional view taken along line E-E of (a) to (b).
As shown in FIGS. 6 and 7 , the belt clamp
As in the first embodiment, a belt 310, a buckle 350, and a locking leg 320 are mainly used. Strip 31
0 are formed on the outer side surface (rear side in the figure) with engaging teeth 311 and ribs 312 are formed on both side edges thereof. Further, ribs 314 are formed on both side edges of the inner side surface (front side in the figure) of the band portion 310. A non-slip projection 313 is formed at the tip of the band 310.

As shown in FIG. 7 (a), the buckle portion 350 where the
An insertion hole 354 for inserting 0 is provided. Insertion hole 3
The lower wall 54 has two engaging projections 35 which are flexible.
6 are formed. The engagement protrusion 356 uses the elastic deformation of the engagement piece 355 to make the band 3
The passage of the teeth of the engagement teeth 311 when tightening 10 is permitted, and the passage of the teeth of the engagement teeth 311 in the opposite direction is prevented.
The free end of the engagement piece 355 is an engagement release piece 357.

FIG. 8 is an explanatory view of a locking leg 320 connected to the buckle portion 350, in which (a) is a partially cutaway front view, (b) is a bottom view, and (c). Is the right side view,
(D) is an enlarged view of the locking step, (e) is a plan view of (d),
(F) is GG sectional drawing of (a). Fig. 8 (a)-
As shown in (c), the locking leg 320 is composed of a substrate portion 321 having a substantially circular planar shape, a support 322 suspended from the substrate 321, and a substrate portion 32 extending from the tip of the support 322.
1 and a pair of flexible locking pieces 323 formed in a folded shape toward 1. The board part 32
1 is a stabilizer 3 having a substantially suction cup shape on its lower surface.
24. Locking leg 32 in this embodiment
Numeral 0 is attached to a perfectly circular attachment hole 341 of the attachment panel 340 described later.

The free end side of the locking piece 323 is8
As shown in (d) and (e), a plurality of stairs (FIG.
Indicates a step. ) Is formed. Ma
FIG. 7 is an explanatory diagram of an attached state of a locking leg 320 which has been set.9Well shown
The mounting panel for attaching the locking leg 320
340 is formed with a perfect circular mounting hole 341.
You. The figure9Middle (a) shows the engagement state of the upper engagement step.
(B) is a sectional view taken along line FF of (a).
FIG. 3C is a partially broken view showing the engagement state of the middle engagement step portion.
Front view, part (d) showing the engaged state of the lower engaging step
It is a fracture front view.

In FIG. 9 , according to the second embodiment, the engaging step 323a is formed in the mounting hole 340 of the mounting panel 340 in the shape of a perfect circle.
1 is engaged with the circular arc portion, and the engaging step portion 323a
Are formed in an arc shape in the width direction of the locking piece 323. As also shown in FIG. 8 (d), the angle between the stop surface Fa and the hole wall engaging surface Fb omission panel Kakukakarigodan portion 323a theta
Is set to approximately 90 ° as in the first embodiment. Note FIG. 8 (c), the interference and as shown in (e), the tip portion of the engaging pieces 323 (reference numeral 320a) that portion of the locking leg 320 at the time of flexural deformation of the locking piece 323 Some have been cut away so that they do not occur.

FIG.9As shown in FIG.
The panel retaining surface Fa of 23a is the same as that of the embodiment.1the same as
Next, each engaging step 323a has a thickness t (see FIG.9(A),
(B)), t1 (Fig.9(C)), t2 (Fig.9
(D) Same width of the engaging hole in the mounting panel 340 of FIG.
When engaged with the mounting hole 341 of W,
It is formed so that it faces almost parallel to the back of the mounting panel.
You.

A case in which an object to be bound (for example, a wire harness) is clamped in the belt clamp will be described. First, FIG. 6 (a), the after facing the buckle 350 to the material to be bound 330 as indicated by the two-dot chain line (b), the wound strip portion 310 to the material to be bound 330, the strip portion 310 The distal end portion is inserted into the insertion hole 354 and protrudes rearward from the buckle portion 350. Thereafter, pulling the leading end portion of the band portion 310 with a fingertip tighten material to be bound 330 (see the two-dot chain lines in FIG. 7 (a)).

Next, the locking leg 320 is inserted into the mounting hole 341 of the mounting panel 340. Then, as the locking leg 320 is inserted into the mounting hole 341, the locking piece 323 is bent by the mounting hole 341, and when the substrate portion 321 contacts the mounting panel 340, the elasticity of the locking piece 323 is increased. By the restoration, the plate thickness t, t1, t1,
The engagement step 323a corresponding to t2 is prevented from coming off by engaging with the mounting hole 241 (see FIG. 9 ).

The locking leg 320 according to the second embodiment also provides substantially the same operation and effect as the locking leg 220 according to the first embodiment.

The present invention is not limited to the above embodiment, but can be modified without departing from the scope of the present invention. For example, the locking legs 220 and 320 in the first and second embodiments may be formed integrally with a component such as a clamp or a clip, or may be formed separately from the component and then engaged with or bonded to the component. May be integrated.

[0031]

According to the present invention, a locking leg and a belt for attaching parts according to the present invention are provided.
According to the clamp , the engagement step portion corresponding to the plate thickness of the mounting panel engages with the mounting hole and can be properly inserted into the mounting panel. It is possible to correspond to a plurality of types of mounting panels different from each other, and it is possible to save trouble of parts management.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of a belt clamp having a locking leg according to a first embodiment.

FIG. 2 is a sectional explanatory view of the belt clamp.

FIG. 3 is an explanatory view of a locking leg of the belt clamp.

FIG. 4 is an explanatory diagram showing a mounting state of the locking leg.

FIG. 5 is an explanatory view of an engagement step portion.

FIG. 6 is an explanatory view of a belt clamp having a locking leg according to the second embodiment.

FIG. 7 is an explanatory sectional view of the belt clamp.

FIG. 8 is an explanatory view of a locking leg of the belt clamp.

FIG. 9 is an explanatory view showing an attached state of the locking leg.

FIG. 10 is an explanatory diagram showing a conventional example.

[EXPLANATION OF SYMBOLS] 2 20, 320 engaging legs 2 21,321 board unit 2 22, 322 posts 2 23,323 locking pieces 2 23a, 323a engagement step 2 40,340 mounting panel 2 41,341 mounting hole

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-2-97706 (JP, A) JP-A-5-96524 (JP, U) JP-A-5-44709 (JP, U) JP-A-2-97706 71210 (JP, U) JP-A 1-113609 (JP, U) JP-A 60-28613 (JP, U) JP-A 57-166673 (JP, U) (58) Fields surveyed (Int. Cl. ⁶ , DB name) F16B 19/00

Claims (4)

(57) [Claims] 1. A board portion provided on a component such as a clamp or a clip, and a mounting panel suspended from the board portion.
A support rod inserted into the mounting hole, a flexible locking piece formed in a folded shape from the tip of the support column toward the substrate portion, and a mounting hole of the mounting panel provided in the locking piece.
An engaging step that can be engaged , wherein the engaging step is
Mounting holes of mounting panels of the same width but different thickness
Shift to engageably provided with a plurality of even and Pas <br/> panel retaining surface of Kakukakarigodan unit thickness of the mounting path corresponding to the engaging Godan unit
Channel of the mounting panel back surface and a component mounting engagement that is formed so as to face substantially parallel Tomeashi when engaged in the mounting hole. Wherein Anakabegakari stop surface of each engagement step is the engagement Godan unit
Formed at an angle of approximately 90 ° to the panel retaining surface
The locking leg for component mounting according to claim 1 . 3. A long band and a belt provided on the band.
A board portion, and a mounting hole of a mounting panel vertically provided from the board portion.
And a support inserted into the base, from a tip of the support toward the substrate.
A flexible locking piece formed in a folded shape,
It is provided on the locking piece and can be engaged with the mounting hole of the mounting panel
And the width of the mounting hole is the same.
However, in any of the mounting holes of the mounting panel with different plate thickness
Multiple panels are provided so as to be engageable, and the panel at each engagement step is removed.
The stop surface is the mounting panel of the thickness corresponding to the engaging step.
When engaged with the hole, it is almost parallel to the back of the mounting panel.
Belt clamp formed to face. 4. The engagement step portion has a hole wall engaging surface which is formed by a hole wall.
Formed at an angle of approximately 90 ° to the panel retaining surface
The belt clamp according to claim 3, wherein