CN1829024A - Clip - Google Patents

Abstract

The invention provide a kind of clamp, the clamp can insert easily even if the situation of inserting in the relative aperture inclination condition. Clamp (1A) comprises: the base unit (21) projecting from the crutch unit; the swinging claw (22,23) extending from the base unit (21) to the crutch unit (10).On the claw (22,23), along with the skirted unit (22s) of surface forming dent unit. Thereby, even if the situation of inserting in clamp (1A) in the relative aperture inclination condition, the dent (22a) that forming on the claw (22) can contact with skirted unit of the aperture, so the claw can elastic deforming easily.

Description

Clamp

Technical field

The occasion of inserting in the direction that tilts with relative opening the present invention relates to a kind of clamp that inserts and be stuck in the hole, even in particular also can easily make it be stuck in clamp in the hole.

Background technology

In recent years, because the electronization of vehicle, the amount of carrying the electric appliance wiring on vehicle has increased, and is that electric wiring is fixed on the car body with the state of tying up bunchy generally speaking.For example the someone has proposed the scheme (with reference to patent documentation 1) that the clamp of a pair of claw that can shake is set having on the tie part of strapping.

[patent documentation 1] Japanese Patent Application Publication communique spy opens (Fig. 1～Fig. 3) flat 11-308739 number

Summary of the invention

But when the state that tilts with relative opening when above-mentioned existing clamp inserted in the hole, claw was difficult to take place strain, if want to be inserted into the state that tilts, then needs very big insertion force.In this occasion, must after the direction of insertion of the relative opening of having adjusted claw, be inserted into.Therefore, the problem that can not increase work efficiency and so on of existence.

That is, shown in Figure 10 (a), when being inserted in hole 100 with the state that tilts clamp 111 with insertion force F, the insertion force F of this moment is decomposed into component Fa and component Fb.This moment component Fb be insertion force F along the component that makes clamp 111 inclination direction of insertion.Have again, shown in Figure 10 (b), though component Fb is decomposed into component Fc and component Fd, this moment component Fc be the component of the bevel direction of claw 111a, and the counter-force of this component Fc for make the needed power Fs of claw 111a strain (=Fc).So, when with clamp 111 with the state patchhole 100 that tilts with respect to hole 100 in the time, the power Fs suitable with the component Fc of the component Fb of insertion force F is used to make the needed power of claw 111a strain, so, in order to make claw 111a strain, need very large insertion force F.

The present invention solves above-mentioned existing problem, and its objective is provides a kind of clamp, even in the occasion that clamp is inserted in the hole with the state that tilts with respect to the hole, this clamp also can easily insert.

Clamp of the present invention has: the support portion; From the outstanding base portion in above-mentioned support portion; The claw that extends and can swing to above-mentioned support portion from the top of above-mentioned base portion is inserted into above-mentioned base portion and above-mentioned claw in the hole, and above-mentioned claw is stuck in the above-mentioned hole, wherein, on above-mentioned claw, is formed with recess along the side edge part of the outer surface of this claw.

According to the invention described above, owing to, claw is contacted with the hole with the example near the top by recess is set, so, make the claw strain easily.Have again, owing to, the rigidity of claw is reduced by forming recess, so, see also from this respect to make the claw strain easily.

In addition, preferably form in pairs above-mentioned claw, at least above-mentioned each form above-mentioned recess on to the position at the one-tenth diagonal angle of claw.For example, by forming 1 pair of claw, claw stably is stuck in the hole.Have again, owing on each is positioned at the position at paired angle on to claw, form recess, so, even the state that claw is tilted with relative opening inserts in the hole from direction arbitrarily, also can easily be inserted into.

According to the present invention,, can increase work efficiency even, also can easily insert with the occasion of clamp with the state insertion of relative opening inclination.

Description of drawings

Fig. 1 is the stereogram of the clamp of expression present embodiment.

Fig. 2 (a) is a front view, and Fig. 2 (b) is a rearview.

Fig. 3 is a left view.

Fig. 4 (a), Fig. 4 (b) are respectively the figure when different incline direction inserts clamp.

Fig. 5 be Fig. 4 (a) arrow A to view.

Fig. 6 is the user mode figure of clamp.

Fig. 7 is the stereogram of the variation of expression clamp.

Fig. 8 is the front view of variation.

Fig. 9 is the left view of variation.

Figure 10 (a), Figure 10 (b) are the figure of the effect of the existing clamp of expression.

Embodiment

Fig. 1 is the stereogram of the clamp of expression present embodiment, Fig. 2 (a) is a front view, Fig. 2 (b) is a rearview, Fig. 3 is a left view, Fig. 4 (a), Fig. 4 (b) are respectively the figure when different incline direction inserts clamp, Fig. 5 be arrow A shown in Figure 4 to view, Fig. 6 is the user mode figure that is fixed with the clamp of electric appliance wiring.

As shown in Figure 1, the clamp 1A of present embodiment makes with the synthetic resin material, has support portion 10, fixed part 20, tie part 30.Support portion 10 is to make the umbrella of recessed side towards fixed part 20 1 sides.But, this support portion 10 is not limited to umbrella, and it also can be made of the parts of 3 arm shapes at least.

Said fixing portion 20 has base portion 21 and a pair of claw 22,23.Base portion 21 from the support portion 10 center outstanding and form (with reference to Fig. 3), claw 22,23 can swingingly be supported on the top of base portion 21 freely.In addition, as shown in Figure 3, on base portion 21, forming prerotation vane 21a, 21b on the side of Z direction, the base end part of prerotation vane 21a, 21b is connected with support portion 10.Therefore, base portion 21 is supported for the state of support portion 10 swings relatively.In addition, claw 22,23 is for roughly being longilineal tabular, they extend to form support portion 10 near, from cardinal extremity to the top along directions X (with reference to Fig. 2) broadening, form the V font.In addition, be formed with on the top of claw 22,23 and be stair-stepping holding section 22b, the 23b that the top attenuates.

As Fig. 2 (a), as Fig. 2 (b) and shown in Figure 3,, be formed with recess 22a, the 23a of elongate along side edge part 22s, a 23s at the outer surface of above-mentioned claw 22,23.In addition, as shown in Figure 3, the center O that recess 22a, the 23a of present embodiment forms relative base portion 21 is positioned on the position that is in the diagonal angle.Like this, on the part of claw 22,23, form recess 22a, 23a, on bigger scope, do not cut claw 22,23, so, can prevent that claw 22,23 intensity from reducing.

As depicted in figs. 1 and 2, above-mentioned tie part 30 is arranged on a side opposite with recessed side of above-mentioned support portion 10, and it has hook portion 31 and strapping portion 32.Hook portion 31 has at the poroid through hole 31a of the rectangle that Z direction (with reference to Fig. 3) go up to connect and is arranged on hook sheet 31b on the inwall of this through hole 31a.Strapping portion 32 forms linearity, has the width that can be inserted among the through hole 31a and the length of regulation, equally spaced is formed with the slot part 32a that extends along directions X (Width) to the top from cardinal extremity on an one side.And, as shown in Figure 6, hook sheet 31b by the top end face of the supporter 31b1 of cantilever support on, be formed with a pair of projection 31b2, the 31b2 that form with the spacing identical with slot part 32a.In addition, the sidewall 32a1 of slot part 32a be opening enlarge laterally skewed, therefore, when being inserted into strapping portion 32 among the through hole 31a, can easily insert, and in a single day be inserted among the through hole 31a, strapping portion 32 just is restricted, and can not extract from through hole 31a.

Below, with reference to Fig. 4 and Fig. 5 the effect of the clamp of present embodiment is described.In Fig. 4 and Fig. 5, only show the inlet side in hole 41.Shown in Fig. 4 (a), on the tabular parts 40 of regulation, be formed with circular hole 41, when from the downside of figure with clamp 1A during with the state patchhole 41 that tilts, the recess 22a that forms on the claw 22 of a side contacts with the 41a of edge portion in hole 41.In addition, as shown in Figure 5, be center and becoming on the position at diagonal angle because the recess 23a that forms on the claw 23 of opposite side is positioned at base portion 21, so the side edge part 23t that does not form recess 23a of claw 23 contacts with the 41a of edge portion with recess 22a.So, when claw 22,23 contacts with the 41a of edge portion, shown in the arrow among Fig. 5, Yi Bian claw 22,23 respectively near the direction strain of base portion 21, dwindle, Yi Bian enter into hole 41.And, holding section 22b, the 23b of claw 22,23 just elastic reset when arriving the edge 41a of portion, claw 22,23 is stuck in the hole 41.In addition, this moment, clamp 1A was in its support portion 10 and parts 40 state of contact, thereby clamp 1A is supported by hole 41 by support portion 10 and claw 22,23.The shape in hole 41 is not limited to circle, also can be ellipse etc.

That is to say, in the occasion that recess 22a was not set on claw 22 as in the past, because clamp 1A can only be inserted in the hole 41 more shallowly, contact with the 41a of edge portion at cardinal extremity place near claw 22, so, be difficult to make claw 22 strains, in addition, as illustrated in fig. 10, need very large insertion force in order to make claw 22,23 strains.But, as present embodiment, because the side edge part 22s along claw 22 forms recess 22a, so, can will be set near the top (free end) of claw 22,23 and locate with the 41a of the edge portion position contacting in hole 41, therefore, make claw 22,23 strains easily, just can make claw 22,23 strains with less insertion force.Have again, because by recess 22a, 23a are set, the rigidity step-down of claw 22,23, so, can make claw 22 strains more easily.Therefore, shown in Fig. 4 (a),, also can simply clamp 1A be stuck in the hole 41 even clamp 1A is inserted in the hole 41 with the state that tilts.

In addition, shown in Fig. 4 (b), even relative opening 41 inserts clamp 1A from the upside of paper, also owing to the recess 23a (with reference to Fig. 2 (b) and Fig. 3) that forms on the claw 23 of a not shown opposite side contacts with the 41a of edge portion in hole 41, so, with above-mentioned same, can make claw 22,23 strains with less insertion force, can easily clamp 1A be inserted in the hole 41.In addition, not only with the occasion of the state shown in Fig. 4 (a) and Fig. 4 (b) with clamp 1A insertion, even with clamp 1A in the occasion of vertically coming out lopsidedness or under the state of the paper lopsidedness that vertically enters Fig. 4, inserting to paper from Fig. 4, also because the contacting with the 41a of edge portion in hole 41 of recess 22a, the 23a of claw 22,23 for a moment, so, with above-mentioned same, clamp 1A is stuck in the hole 41.So, because recess 22a, 23a are configured to middle center O (with reference to Fig. 3) across base portion 21 to be positioned on the position that is in the diagonal angle, so,, it is stuck in the hole 41 even clamp 1A is inserted from any one direction with the state that relative opening 41 tilts.

As shown in Figure 6, in the clamp 1A of present embodiment, after tying up many electric appliance wiring H, strapping portion 32 is inserted among the through hole 31a, is stuck on the projection 31b2, clamp 1A is stuck in the hole 41 by the slot part 32a that makes strapping portion 32 with strapping portion 32.

Fig. 7 is the stereogram of variation of the clamp of expression present embodiment, and Fig. 8 is the front view of variation, and Fig. 9 is the left view of variation.This clamp 1B and the corresponding formation of rectangular opening 70 (with reference to Fig. 9) form fixed part 20 and support portion 10 on the above-mentioned clamp 1A with different shapes.

As shown in Figure 7 and Figure 8, clamp 1B is formed with fixed part 60 in a side of the support portion 50 that forms substantially elliptical.This fixed part 60 has base portion 61, a pair of claw 62,63, the base portion 61 outstanding centers that are arranged on the recessed side of support portion 50, and claw 62,63 expands to the 50 one-tenth V fonts in support portion from the top of base portion 61 opens extension.In addition, on base portion 61, formed a pair of guide part 61a, 61b, on claw 62,63, be formed with recess 62a (with reference to Fig. 7 and Fig. 9), recess 63a (with reference to Fig. 8 and Fig. 9) along side edge part 62s, a 63s of its outer surface.In addition, as shown in Figure 9, the center O across base portion 61 in the middle of recess 62a, 63a are formed on becomes on the position at diagonal angle.

Same with above-mentioned clamp 1A, even in the state patchhole 70 of the clamp 1B of this shape with relative rectangular opening 70 (with reference to Fig. 9) inclination, recess 62a (perhaps recess 63a) also contacts with the 70a of edge portion in hole 70, therefore, can easily make claw 62,63 strains.

In addition, the bight on clamp 1B top is formed with respectively and is curved inclined- plane 64a, 64b, 65a, the 65b that the top attenuates.Owing to form such inclined- plane 64a, 64b, 65a, 65b, as shown in Figure 9, even the state that staggers on direction of rotation with relative rectangular opening 70 is inserted into, inclined- plane 64a, 64b, 65a, 65b also can slide on the 70a of edge portion in hole 70 on one side, on one side clamp 1B is guided towards the direction that the shape with hole 70 is complementary, be inserted in the hole 70.

In addition, in the respective embodiments described above, though for example a pair of claw 22,23,62,63 is illustrated, the present invention is not limited to this, also can constitute with the claw more than 3.In addition, clamp 1A, the 1B of present embodiment are not limited to the electric appliance wiring of carrying on vehicle is tied up fixing clamp.

Claims (2)

1. a clamp (1A) has: support portion (10); From above-mentioned support portion (10) outstanding base portion (21); Claw (22,23) from the top of above-mentioned base portion (21) is extended and can be swung to above-mentioned support portion (10) is inserted into above-mentioned base portion (21) and above-mentioned claw (22,23) in the hole, and above-mentioned claw (22,23) is stuck in the above-mentioned hole, it is characterized in that:

On above-mentioned claw (22,23), be formed with recess (22a, 23a) along the side edge part (22s, 23s) of the outer surface of this claw (22,23).

2. the clamp of putting down in writing according to claim 1 (1A) wherein, forms above-mentioned claw (22,23) in pairs, at least above-mentioned each form above-mentioned recess (22a, 23a) on to the position at the one-tenth diagonal angle of claw (22,23).

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