JP3468829B2 - Belt clamp - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a belt clamp mainly used for wiring and holding a bound object such as a wire harness with respect to an automobile body.

[0002]

2. Description of the Related Art FIG. 8 shows two types of conventional belt clamps. In either type, the main body 10
The body 10 is attached to the body 40 by inserting the locking legs 14 formed on the lower surface of the body into the attachment holes 42 formed in the body 40 of the automobile. The wire harness W, which is an object to be bound and placed on the main body 10, is clamped by the strips 50A and 50B integrally formed with the main body 10. In the belt clamp of the type shown in FIG. 8A, the wire harness W is clamped by inserting the band member 50A into the buckle portion 52 of the main body 10 and tightening it. Further, in the type shown in FIG. 8B, a ladder-shaped strip 50B is wound around the outer periphery of the wire harness W, and a part of the ladder-shaped band 50B is hook-shaped engaging portion 54 formed on the main body 10. Is hooked on. The shape of the ladder-shaped strip 50B of the type shown in FIG.
No. 6 publication.

[0003]

When clamping by the belt clamp shown in FIG.
It is necessary to insert 0A around the outer periphery of the wire harness W and insert it into the buckle part 52 from one side thereof, thereby picking up and pulling the tip part of the strip 50A protruding from the other side of the buckle part 52. However, the work for this clamp becomes complicated. On the other hand, in the type shown in FIG. 8 (B), the wire harness W can be clamped only by hooking the ladder-shaped strip 50B on the engaging portion 54.
In order to perform the additional tightening, it is necessary to remove the band member 50B from the engaging portion 54, tighten it, and then hook it again on the engaging portion 54. Further, at this time, the worker's hand easily interferes with the body, and the workability is poor.

[0004] The problem to be solved by the present invention is to perform a simple operation for clamping and re-tightening a bound object such as a wire harness, and the body of an automobile where the operator's hand is the place where the belt clamp is attached. It is to avoid the interference with the and to improve the workability.

[0005]

In order to solve the above-mentioned problems, the belt clamp of the present invention is constructed as follows. The invention according to claim 1 is a belt clamp including a main body attached to a predetermined position, and a belt body integrally formed with the main body and capable of clamping a bundled object such as a wire harness. A plurality of engaging protrusions are integrally formed on the strip at regular intervals in the lengthwise direction. On the other hand, the main body has a holding portion formed so as to be able to receive a part of the bundled object, an attaching portion for attaching the holding portion to the predetermined position, and the holding portion for attaching the band body.
An engaging portion that projects upward from the opposite side and is capable of engaging the strip body is provided. An opening portion for receiving the strip is formed downward on the tip side of the engaging portion. Inside the engagement portion, an engagement rib is formed that engages with the engagement protrusion of the strip so that the strip can be passed when the strip is tightened. According to a second aspect of the present invention, holding protrusions capable of receiving the bundled object are formed on both sides of the band when the bundled object is clamped with respect to the holding portion of the main body. According to a third aspect of the present invention, the root portion of the band member with respect to the main body has a predetermined rigidity, and the root portion and the engaging portion are with respect to an imaginary perpendicular line passing through substantially the central portion of the holding portion. The inclination is set to open upward at the same angle.

[0006]

According to the structure of the first aspect, a part of the banded object is placed on the holding portion of the main body, and a part of the banded object is wound around the outer periphery of the banded object. Hook it on the engaging part and tighten as it is. As a result, one of the engaging protrusions formed on the strip engages with the engaging rib of the engaging portion, and the bundled object is clamped. In this clamped state
The strip is facing downwards with respect to the engaging part located on the opposite side.
Engages because it is caught in the open part of the mushroom and tightened.
The strip pulled out from the section is aligned with the length of the object to be bound.
It becomes a state. Therefore, this band is
It is rare to stick out and obstruct, and the excess part of the band
You can save the trouble of cutting the minutes. Further, if the clamped band body is further tightened as necessary, the engaging portion of the band body sequentially passes through the engaging ribs, and the tightening can be performed. Then, these operations may be carried out by hooking the band member on the engaging portion and tightening it upward, and it is possible to avoid the operator's hand from hitting the attachment portion of the main body. Claim 2
According to the configuration described in (1), the object to be bound in the clamped state is held in a meandering shape by the band and the holding projection, and the object to be bound can be prevented from shifting in the longitudinal direction. Claim 3
According to the configuration described in (1), the axial center of the bundled object placed on the holding portion is constrained between the base portion of the strip and the engaging portion regardless of the difference in the outer diameter, and is always It is located on an imaginary perpendicular line that passes through almost the center of the holding portion. As a result, it is possible to prevent positional displacement of the objects to be bound when they are wired.

[0007]

Embodiments of the present invention will be described below with reference to FIGS. Example 1 FIG. 1 is a side view showing a belt clamp, and FIG. 2 is a plan view of the belt clamp. As shown in these drawings, the belt clamp is mainly composed of a main body 10 and a belt body 30, and these are integrally formed by a synthetic resin material or the like. The main body 10 includes a stabilizer 13 and a locking leg 1 following the stabilizer 13 on a lower surface of a holding portion 12 capable of receiving a part of a wire harness W as an object to be bound, which will be described later.
4 are integrally formed. Further, on the upper surface of the holding portion 12, holding protrusions 16 are integrally formed on both sides of the base portion 31 of the band member 30 as a reference.

A hook-shaped engaging portion 20 is integrally formed on the opposite side of the band 30 in the holding portion 12.
The engaging portion 20 projects upward from the holding portion 12, and an opening portion 21 for receiving the band 30 is formed downward on the tip end side thereof. On the other hand, the band 30 is formed in a string shape having a circular cross section, and has flexibility for clamping the wire harness W by the elasticity of the synthetic resin material. A plurality of engaging protrusions 32 are integrally formed on the strip 30 at regular intervals in the lengthwise direction.

FIG. 3 is an enlarged view showing a part of each of the engaging portion 20 and the band member 30. First, the engaging portion 2
For 0, as shown in FIG.
The convex pieces 22 are formed at the opposite positions. The distance between the two convex pieces 22 is set to be slightly smaller than the outer diameter of the portion (small-diameter portion) of the strip 30 located between the engaging protrusions 32. However, the engaging portion 20 is formed by the elasticity of the synthetic resin material,
Can be elastically deformed in the direction to open the
0 can pass between the both convex pieces 22. Further, inside the engaging portion 20, an engaging rib 23 that can engage with one of the engaging protrusions 32 of the strip 30 is integrally formed.

As for the strip 30, as shown in FIG. 3B, the surface of each of the engaging projections 32 on the side facing the tip of the strip 30 is a conical surface 33.
Therefore, when the band member 30 is inserted into the engaging portion 20 and tightened, the conical surface 33 of each engaging protrusion 32 contacts the engaging rib 23 and elastically deforms the engaging portion 20 in the opening direction. . In other words, the engaging rib 23 is
The function of allowing the engagement protrusions 32 to pass through when tightening is, and preventing the engagement protrusions 32 from passing in the opposite direction.

Next, a clamping operation by the belt clamp having the above-mentioned structure will be described. First, the main body 10 of the belt clamp is the wire harness W as shown in FIGS.
It is attached at a predetermined position when is clamped. That is, in this embodiment, as shown in FIGS. 5 and 6, for example, a mounting hole 42 is formed at a predetermined position of a body 40 of an automobile, and the locking leg 14 of the main body 10 is inserted into the mounting hole 42. . Therefore, the locking leg 14 serves as a mounting portion of the main body 10 to the body 40, and in this mounted state, the stabilizer 13 is in close contact with the upper surface of the body 40 to seal the mounting hole 42.

Next, the wire harness W is placed on the holding portion 12, and the strip 3 is attached to the outer periphery of the wire harness W.
While winding 0, a part of this belt 30 is
Hook the open part 21 of 0 and tighten as it is. As a result, as described above, the band 30 is moved to the engaging portion 2
It is inserted toward the inside of 0 from the open portion 21 over the projection piece 22, and one of the engagement projections 32 engages with the engagement rib 23. As a result, the wire harness W is clamped by the strip 30 and held at the mounting hole 42 of the body 40.

Further, when the band member 30 is further tightened in this clamped state, the engaging projections 32 of the band member 30 are engaged with the engaging ribs 2 in the tightening direction as described above.
Since it sequentially passes through 3, the belt clamp can be easily tightened again. The clamping and retightening operations may be performed by hooking a part of the band member 30 on the opening portion 21 formed downward in the engaging portion 20 and pulling it upward. Four
Interference with 0 is avoided. Further, the wire harness W in the clamped state is tightened in a meandering shape as shown in FIG. 5 by the band 30 and the holding projections 16 of the holding portions 12 located on both sides thereof. This prevents the wire harness W from moving in the axial direction relative to the belt clamp.

Embodiment 2 FIG. 7 is a side view showing a part of a belt clamp of another embodiment. As shown in this drawing, in this embodiment, the base portion 31 of the band member 30 and the engaging portion 20 of the main body 10 are
The angles are set to be equal to each other with respect to an imaginary perpendicular line C passing through substantially the central portion of the (holding portion 12), and are set so as to open upward. Further, the base portion 31 of the band 30 has a predetermined rigidity. Therefore, as shown by the phantom line in FIG. 7, even when the outer diameters of the wire harnesses W placed on the holding portion 12 are different from each other, the axial center of each wire harness W is related to the base portion 31 of the band 30. It is constrained between the joint portion 20 and always located on the virtual perpendicular line C. As a result, the wire harness W is attached to the holding portion 1
It will be clamped almost in the center of 2 and body 4
The wiring state of the wire harness W for 0 is appropriate.

[0015]

As described above, according to the present invention, the clamping of the objects to be bound and the retightening thereof can be easily performed by the work of one hand, and the hand of the operator can interfere with the body of the automobile where the belt clamp is attached. It can be avoided and workability is improved. Further, in the present invention, the object to be bound in a clamped state can be held in a meandering shape, the function of preventing the object to be bound from shifting can be enhanced, and further, the object to be bound regardless of the difference in its outer diameter, It is possible to prevent the positional displacement of the bundled object during wiring by always positioning it on a virtual perpendicular line that passes through substantially the center of the holding portion.

[Brief description of drawings]

FIG. 1 is a side view showing a belt clamp.

FIG. 2 is a plan view showing a belt clamp of the same.

FIG. 3 is an enlarged view showing a part of each of the engaging portion and the band.

FIG. 4 is a plan view showing a belt clamp in a state in which an object to be bound (wire harness) is clamped.

FIG. 5 is a front view showing the belt clamp in the same clamped state.

FIG. 6 is a side view showing the belt clamp in the same clamped state.

FIG. 7 is a side view showing a part of the belt clamp according to the second embodiment.

FIG. 8 is a side view showing a clamped state of a wire harness by two conventional belt clamps.

[Explanation of symbols]

10 body 12 Holder 14 Locking leg (mounting part) 16 retention protrusion 20 Engagement part 21 Open 23 Engaging rib 30 strips 32 engagement protrusion W wire harness

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-54-138797 (JP, A) real-opening Sho-56-67481 (JP, U) real-opening Sho-62-137246 (JP, U) real-opening Sho-60- 43706 (JP, U) Actual development 61-38821 (JP, U) Actual public 36-32927 (JP, Y1) (58) Fields investigated (Int.Cl. ⁷ , DB name) B65D 63/12 H02G 3 / 30

Claims (3)

(57) [Claims] 1. A belt clamp comprising: a main body attached at a predetermined position; and a belt body integrally formed with the main body and capable of clamping a bundled object such as a wire harness. A plurality of engaging protrusions are integrally formed at a constant interval in the lengthwise direction, while the main body has a holding portion formed so as to be able to receive a part of the objects to be bound, and the holding portion. The mounting portion for mounting at the predetermined position and the holding portion opposite to the strip body
And an engaging portion capable of engaging with the strip body, the opening portion for receiving the strip body being formed downward at the tip end side of the engaging portion. In addition, an engaging rib is formed inside the engaging portion so as to engage with the engaging protrusion of the belt so as to allow passage when the belt is tightened. And belt clamp. 2. The holding protrusion of the main body is formed with holding projections for receiving the object to be bound on both sides of the band when the object to be bound is clamped. Belt clamp as described. 3. The base portion of the strip with respect to the main body has a predetermined rigidity, and the base portion and the engaging portion are mutually equal in angle with respect to an imaginary perpendicular line passing through a substantially central portion of the holding portion. The belt clamp according to claim 1 or 2, wherein the belt clamp is set to open upward.