JPH09287682A - Hose clip - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve removing workability. SOLUTION: A pair of the knob parts 5 of a clip body 2 are provided with bent parts 13 formed in such a manner to protrude to respective mating sides. A recessed part 13a is formed on the surface side separated away from the mating sides of a pair of the knob parts 5 and the tip part of a driver is locked at the recessed part 13a and easily hooked thereat. Thereby, smooth rotation operation of a hose clip 1 using a tool, such as a driver, is effected and a pair of knob parts 5 are easily arranged in a region where operation is practicable by a prier and in turn, removing workability is improved. In a conventional arts, since a part nipped by the prier is a flat, there is a fear of the knob part 5 being damaging by the tooth of the prier throughout a wind range. However, since the bent part 13 is formed at the knob part 5 and a part nipped by the prier is limited to a small region, the damaging region of the knob part 5 is decreased.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hose clip used for connecting various hoses for automobiles to joints and pipes.

[0002]

2. Description of the Related Art FIG. 9 shows an example of a conventional hose clip.
And that shown in FIG. In the figure, a hose clip 1 is made of an elastic material and has an annular clip body 2 having a constant width and a constant thickness. A hole 3 is formed in one end 2a of the clip body 2, and an insertion piece 4 inserted into the hole 3 is formed in the other end 2b. The hole 3
Will be referred to as one-sided insertion hole 3 hereinafter. Further, the one end 2
a, a pair of knob portions 5 are formed on the respective tip sides of the insertion pieces 4 so as to project outward in the radial direction of the clip body 2.

In this hose clip 1, pliers 6
(See FIG. 15), the diameter of the clip body 2 is expanded by bringing the pair of knob portions 5 closer to the other side, and in this state, the clip body 2 is fitted and inserted into the insertion portion of the hose 7 into the pipe (not shown). The close operation of 5 is released, and the hose 7 is fastened to the pipe by the elastic restoring force of the clip body 2 to ensure the sealing property.

FIG. 1 shows another example of the hose clip.
1 and the hose clip 1 shown in FIG. The hose clip 1 has a substantially triangular hole 8 formed in the clip body 2 so that a uniform tightening force can be exerted on the hose 7 over its entire circumference. The hole 8 is
For the sake of convenience, it is referred to as a tightening force adjusting hole 8. As another example of the hose clip, there is a hose clip 1 shown in FIGS. 13 and 14. This hose clip 1 is shown in FIGS.
In place of the one-side insertion hole 3 formed in the one end portion 2a of the clip body 2 of the hose clip 1, a cutout groove 9 is formed in the one end portion 2a of the clip body 2, and the other end portion 2b is formed in the cutout groove 9.
The annular band 10 having elasticity in the clip body 2 so that the insertion piece 4 of
Are repeated.

In the hose clip 1 shown in FIGS. 9 and 10, the hose clip 1 shown in FIGS. 11 and 12, and the hose clip 1 shown in FIGS. 13 and 14, the pliers 6 (see FIG. 15) are used.
The clip body 2 is expanded and removed by operating the pair of knobs 5 using a tool such as

[0006]

By the way, the hose clip 1 is provided in a narrow place such as an engine room.
As shown in FIG. 15, when another component (obstacle) 11 is near and one knob portion 5 is arranged to face the other component 11, both the knob portions 5 are placed in the pliers 6 in this state. Can not be operated with. Therefore, in such a case, prior to using the pliers 6, the knob portion 5 is pushed in the direction of arrow a using a tool such as a flat-blade screwdriver 12, the hose clip 1 is rotated in the direction of arrow b, and the pliers 6 are operated. Both knobs 5 are positioned in the gap S formed, and in this state, a tool such as pliers 6 is operated in the gap S to expand the diameter of the clip body 2 and remove the hose clip 1 from the hose 7.

However, when the knob portion 5 is pushed with a tool such as a flat-blade screwdriver 12, since the knob portion 5 is flat, it is slippery and it is difficult to rotate the hose clip 1.

In the hose clip 1 shown in FIGS. 9 and 10, the tightening force of the hose 7 in the circumferential direction is not uniform, and the bending stress of the clip body 2 in the circumferential direction is not uniform.

In the hose clip 1 shown in FIGS. 11 and 12 and the hose clip 1 shown in FIGS. 13 and 14, a tightening force adjusting hole 8 is formed in the clip body 2, and a uniform tightening force is applied over the entire circumference. I am trying to demonstrate it. However, the size of the tightening force adjusting hole 8 is different in each portion in the circumferential direction, and the surface pressure at the contact portion with the hose 7 becomes lower as the distance from the knob portion 5 side (end portion side) becomes (becomes central portion). There was a tendency that the sealability was inferior.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a hose clip capable of improving the detachability. Another object of the present invention is to improve the sealing property.

[0011]

According to the first aspect of the present invention,
An annular clip body made of an elastic material, having an opening at one end and an insert piece inserted into the opening at the other end;
Each of the insertion pieces is provided with a knob portion projecting outward in the radial direction of the clip body, and a bending portion formed on the knob portion so as to project toward each other. Characterize.

According to a second aspect of the invention, an opening is formed at one end.
A clip main body made of an elastic material having an insertion piece formed at the other end and inserted into the opening, and one end and a distal end of each of the insertion pieces formed so as to project radially outward of the clip main body. The clip body is characterized in that the thickness dimension of the clip body is set so as to increase from both end portions to the central portion.

According to a third aspect of the present invention, an opening is formed at one end.
A clip main body made of an elastic material having an insertion piece formed at the other end and inserted into the opening, and one end and a distal end of each of the insertion pieces formed so as to project radially outward of the clip main body. A knob portion and ribs formed on both sides of the clip body so as to extend outward in the radial direction are provided, and the height dimension of the rib is set to increase from both end portions to the central portion. Characterize.

The invention described in claim 4 is the invention according to claim 2 or 3.
In the structure described above, the knob portion is provided with bent portions formed so as to project toward each other.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A hose clip according to a first embodiment of the present invention will be described below with reference to FIG. Note that FIG.
Throughout the drawings and description of members and parts equivalent to those shown in FIGS.

In FIG. 1, a pair of knob portions 5 provided on the clip body 2 of the hose clip 1 are formed with bent portions 13 that are curved at an angle as described later so as to project toward the other side. ing. In this case, the center of the clip body 2 is 0 point, and the root of the other knob 5 is P
₁ point, P ₂ point, Q on the other end of the knob 5
₁ point, Q ₂ point, P ₁ point and 0 point, P ₂ point and 0 point,
Line segments connecting Q ₁ point and 0 point and Q ₂ point and 0 point are defined as p ₁ , p ₂ , q ₁ and q ₂ , respectively. The angle α (= ∠q ₁ Oq ₂ ) between the line segments q ₁ and q ₂ is larger than the angle β (= ∠p ₁ Op ₂ ) between the line segments p ₁ and p ₂ (α > Β).

The hose clip 1 constructed as described above.
Then, the bent portions 13 are formed on the pair of knob portions 5 so as to project toward each other, whereby the pair of knob portions 5 are formed.
A concave portion 13a is formed on the surface side of the driver 12 which is separated from the opposite side, so that the tip of the driver 12 (see FIG. 15) is easily caught. Therefore, the turning operation of the hose clip 1 using a tool such as the driver 12 (see FIG. 15) can be smoothly performed, and the knob portion 5 is arranged in the gap S (area) that can be operated by the tool such as the pliers 6. It is easy to do so that the removal workability can be improved.

In the above embodiment, α> β is set so that the distance between the knob portions 5 becomes long. For this reason,
Since the pliers 6 are sandwiched by a large amount, the pliers 6 can be easily held during the assembling, and the assembling workability can be improved accordingly.

Further, in the prior art, when the knob portion 5 is sandwiched by the pliers 6, since the portion sandwiched by the pliers 6 is a flat surface, the teeth of the pliers 6 may damage the knob portion 5 over a wide range. In this embodiment,
Since the bent portion 13 is formed on the knob portion 5 and the portion sandwiched by the pliers 6 is limited to a small area, the damaged area of the knob portion 5 can be reduced.

In the above embodiment, the case where the bent portion 13 is formed to be curved is taken as an example, but the bent portion 13 may be formed to be bent instead.

Next, a second embodiment of the present invention will be described with reference to FIGS. In the hose clip 1, the thickness of the clip body 2 is set to increase from both ends (one end 2a, the other end 2b) to the central portion 2c. In this case, the thickness t of both ends (the one end 2a and the other end 2b) of the clip body 2 is t ₁ , and the thickness t of the central portion 2c of the clip body 2 is t ₂ (t ₁ <t
₂ ) is set.

In this hose clip 1, the thickness of the clip body 2 increases from both ends (one end 2a, the other end 2b) to the central portion 2c, so that the clip body 2 contacts the hose 7. Since the surface pressure becomes uniform over the entire peripheral surface, the sealing property can be improved.

In addition, in the second embodiment, the bent portions 13 may be formed in the knob portions 5 so as to project toward each other. By providing the bent portion 13 in this manner, the removal workability can be improved in the same manner as in the first embodiment described above.

Next, a third embodiment of the present invention will be described with reference to FIGS. The hose clip 1 has ribs 14 extending radially outward on both sides of the clip body 2.
And the height of the rib 14 is set so as to increase from both end portions 14a to the central portion 14c. In this case, the height dimension h of the end portion 14a of the rib 14 is h
₁ , the height dimension h of the central portion 14c of the rib 14 is h ₂ (h
It is set to ₁ <h ₂ ).

In this hose clip 1, the height dimension of the rib 14 increases from both end portions 14a to the central portion 14c, and the contact surface pressure of the clip body 2 with the hose 7 becomes uniform over the entire peripheral surface. Therefore, the sealing property can be improved.

It should be noted that the knob portions 5 may be formed with the bent portions 13 so as to project toward each other. By providing the bent portion 13 in this manner, the removal workability can be improved in the same manner as in the first embodiment described above.

In the third embodiment, the clip body 2
The case where the ribs 14 that extend outward in the radial direction are formed on both sides of the clip has been taken as an example, but instead of this, as shown in FIG. 6 to FIG.
Ribs 14 extending radially outward on both sides of the annular band 10.
May be formed, and the height of the rib 14 may be set so as to increase from both ends toward the center.

In each of the above embodiments, the hose clip 1
The case where the one-side insertion hole 3 is formed in the one end portion 2a of the clip body 2 has been described as an example, but instead of this, a cutout groove (opening) is formed in the one end portion 2a of the clip body 2 and the cutout groove ( The insertion piece 4 of the other end portion 2b may be inserted into the opening).

[0029]

According to the first aspect of the present invention, since the concave portions are formed on the surface sides of the pair of knob portions which are separated from the counterpart side, the tip portion of the driver is locked in the concave portions and is easily caught. The hose clip can be smoothly rotated using a tool such as a screwdriver, the knob portion can be easily arranged in an area that can be operated by a tool such as pliers, and removal workability can be improved. In the prior art, since the pliers sandwich the flat surface, there is a risk that the teeth of the pliers will damage the knob portion in a wide range, but according to the present invention, the bent portion is formed in the knob portion. Since the portion sandwiched by the pliers is limited to a small area, the scratched area of the knob can be reduced.

According to the second aspect of the present invention, the thickness of the clip body increases from both ends toward the center, and the contact pressure of the clip body with the hose becomes uniform over the entire peripheral surface. The sealability can be improved.

According to the third aspect of the present invention, the height of the rib increases from both ends to the central part, and the contact pressure of the clip body with the hose becomes uniform over the entire peripheral surface. You can improve the property.

According to the fourth aspect of the present invention, a recess is formed on the side of the pair of knobs that is separated from the mating side, and the tip of the driver is locked in the recess so that it is easily caught. It is possible to improve the sex.

[Brief description of drawings]

FIG. 1 is a front view showing a hose clip according to a first embodiment of the present invention.

FIG. 2 is a front view showing a hose clip according to a second embodiment of the present invention.

FIG. 3 is a side view of the hose clip.

FIG. 4 is a front view showing a hose clip according to a third embodiment of the present invention.

5 is a cross-sectional view taken along the line AA of FIG.

FIG. 6 is a front view showing a hose clip of the present invention of a type in which an annular band is superposed on a clip body.

7 is a sectional view taken along the line BB of FIG.

FIG. 8 is a plan view schematically showing the hose clip.

FIG. 9 is a front view showing an example of a conventional hose clip.

FIG. 10 is a side view of the hose clip.

FIG. 11 is a front view showing another example of a conventional hose clip.

FIG. 12 is a side view of the hose clip.

FIG. 13 is a front view showing still another example of a conventional hose clip.

FIG. 14 is a side view of the hose clip.

FIG. 15 is a schematic diagram for explaining a conventional problem.

[Explanation of symbols]

 1 Hose Clip 2 Clip Main Body 2a, 2b One end and the other end of the clip main body 3 Piece insertion hole 4 Insertion piece 5 Knob 13 Bent

Claims (4)

[Claims] 1. A clip main body made of an elastic material having an opening at one end and an insertion piece inserted into the opening at the other end, and the clip main body at the tip end side of each of the one end and the insertion piece. And a bent portion formed so as to project toward each other on the knob portion. 2. A clip main body made of an elastic material having an opening at one end and an insert piece inserted into the opening at the other end, and the clip main body at the tip ends of the one end and the insert piece, respectively. And a knob portion that is formed so as to project outward in the radial direction, and the thickness dimension of the clip body is set to increase from both ends to the central portion. 3. A clip main body made of an elastic material having an opening at one end and an insertion piece inserted into the opening at the other end, and the clip main body at the tip end side of each of the one end and the insertion piece. Of the clip body, and ribs formed on both sides of the clip body so as to extend radially outward, and the height of the ribs is adjusted from both ends to the central portion. A hose clip that is set to become larger as 4. The knob portion is provided with bent portions formed so as to project toward each other.
Or the hose clip described in 3.