JPH11118079A - Hose clip - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a temporal fixing-type hose clip having good temporal fixing workability. SOLUTION: A hose clip is provided with a clamp part having both facing ends formed into an annular shape mutually insertable, and for clamping a body to be clamped such as a hose to a connecting member by elasticity, and both pinching pieces 4, 6 formed on both facing ends by being respectively bent outward, and both pinching pieces 4, 6 are disengageably engaged with each other, and the clamp part 2 is temporarily fixed and held to the large diameter state against clamping force. A locking piece 9 bent in the clamp direction is provided on one pinching piece 4. Cam pieces 13 for guiding the locking piece 9 are bent and formed on the other pinching piece 6, and engaging parts 15 for engaging the locking piece in the clamp direction of the cam pieces 13 are provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hose clip, and more particularly, to an improvement of a temporarily-fixed hose clip which is temporarily fixed and held in an expanded state until a connection portion of the hose is clamped. It is concerned.

[0002]

2. Description of the Related Art FIGS. 16 and 17 show a conventional temporary fixing type hoist.
2 shows the structure of the scrip 101. As shown in FIGS. 16 and 17, the hose clip 101 is
2 and a holder 105 for temporarily fixing the knob pieces 103 and 104 at both ends thereof. The clip body 102 has an annular clamp portion 10 for clamping the hose by its elasticity.
6 and knob pieces 103 and 104 bent outwardly at both ends of the clamp portion 106 where the clamp portion 106 can be inserted. The holder 105 has a holding portion 107 formed by bending a steel plate into a U-shape, and a tension piece 108 cut and raised.

[0003] Both knob pieces 10 of the clip body 102
3 and 104 are matched so that they are at the same position against each other against the elasticity of the clip portion 106, and the holding portion 107 of the holder 105 is fitted thereto. Then, the clip body 102 is temporarily fixed by caulking the holding portion 107 (see FIG. 16). In the temporarily fixed state, the clamp portion 106 of the clip body 102 is held at a large diameter.

When the hose is clamped by the clamp portion 106, as shown in FIG.
By pulling out the pulling piece 108 of the clip 105 with a plier, the two pieces 103, 1 of the clip body 102 are pulled out.
Remove holder 105 from 04. As a result, the clamp portion 106 is deformed in a direction in which the diameter becomes smaller due to its elasticity, so that the hose can be clamped.

[0005] Further, it is known that both tab pieces of a temporary fixing type hose clip have a structure shown in FIG. FIG.
As shown in FIG. 2, at both ends 111 and 112 of the clip body (not shown) which can be inserted into each other, one of the knobs 113 is bent obliquely outward to pass the other knob 114. An insertion hole 115 is provided,
Locking protrusions 116 are provided inside the insertion holes 115 so as to face each other. The other handle piece 114 is provided with an engagement piece 118 provided with both bending pieces 117 bent and erected on both sides in the width direction in a state of being bent obliquely outward. Both flexures 117 have a shape in which the distal end side of the engagement piece 118 is cut and spread in an eight-character shape at the distal end side.

The clip body is temporarily fixed in the state shown in FIG. That is, one of the knob pieces 113
The insertion piece 11 of the other knob piece 112 is inserted into the insertion hole 115 of
8 against the elasticity of the clamp part,
17 is temporarily fixed by engaging the engaging projection 116 of the insertion hole 115 in a projecting manner.

[0007]

However, the hose clip 101 temporarily fixed to the holder 105 scatters when the holder 105 is pulled out, and the pulled out holder 105 becomes unnecessary and is discarded. There are inconveniences. In the case of the temporary fixing structure shown in FIGS. 18 and 19, the bending piece 117 on the locking piece 118 side abuts on the locking projection 116 of the insertion hole 115 obliquely.
There is a disadvantage that the load required for the temporary fixing is high and the temporary fixing work is difficult to perform.

SUMMARY OF THE INVENTION An object of the present invention is to solve the inconvenience of the above-mentioned conventional temporary fixing type hose clip, and to provide a temporary fixing type hose having good workability. Provide clips.

[0009]

According to a first aspect of the present invention, there is provided a connecting member for connecting a member to be fastened such as a hose by elasticity, wherein opposite ends are formed in an annular shape which can be inserted into each other. A clamp portion to be clamped to each other, and two knob pieces each formed by bending outward at the opposite end portions. The two knobs are engaged with each other, and are engaged so that they can be disengaged. Is a hose clip of a type temporarily fixed to a large diameter state against the clamping force, wherein the one knob piece is provided with an engagement piece bent and formed in the clamp direction, and The knob piece is formed by bending a cam piece that guides the engagement piece, and is provided with an engagement portion that engages the engagement piece on the clamp direction side of the cam piece.

The hose clip according to the first aspect is temporarily fixed by engaging both knobs of the clamp portion. That is, the locking piece, which is one of the knob pieces, is temporarily fixed by engaging the engaging portion of the cam piece of the other knob piece against the clamping force of the clamp portion. The inclined portion of the cam piece serves for guiding the locking piece.

[0011] In the hose clip of the first aspect, the engagement of the two tab pieces is released (temporary release) by releasing the engaging piece engaged with the engaging portion of the cam piece from the engaging groove with a tool. It can be removed along the inclined portion of the cam piece by the clamping force.
The temporary fixing is held in a large-diameter state against the clamping force, and when the temporary fixing is released, the clamp portion is reduced in diameter by the clamping force, and the member to be tightened such as a hose can be tightened.

[0012] In order to solve the above-mentioned problem, a second aspect of the present invention is provided.
The present invention is characterized in that, in the temporary fixing type hose clip of the first aspect, an operating portion is provided in front of the cam piece and an operating portion is provided behind the locking piece.

In the hose clip according to the second aspect, each operation portion is a portion where a tool is actuated at the time of temporary fixing or temporary fixing release, which is convenient.

[0014]

Next, a first embodiment of the present invention will be described with reference to FIGS. FIG. 3 shows a perspective view of the hose clip 1 in a temporarily fixed state, and FIG. 4 shows a hose clip 1 in a state in which the knob pieces 4, 6 are free and the diameter thereof is reduced.
2 shows the side surface shape of FIG. This hose clip 1 has both ends 3 of a clamp portion 2 for clamping a tightened body H such as a hose.
5 is provided with knob pieces 4 and 6 so that it can be temporarily fixed.

The clamp portion 2 is made of a band-shaped material, and the tab pieces 4, 6 of the opposite end portions 3, 5 are formed in an annular shape having a punched concave portion and an inserted convex portion which are inserted and overlapped with each other. A clamping force for clamping H is applied. That is, as shown in FIG. 4, the clamp portion 2 in which the two knob pieces 4 and 6 are in a free state is in a reduced diameter state, and the clamped body H can be clamped.

As shown in FIG. 1, the end 3 of the opposite end portions 3 and 5 on the side of the punched concave portion has narrow strips 3 on both sides of the width.
The inside is stamped into a rectangular shape or the like so that A and 3A are formed, and the front end is stamped into a predetermined shape having an operating portion 7 connecting both narrow strips 3A and a locking piece 9.

That is, the distal end side of the narrow band portion 3A is bent outward, and the end portion is further bent in the circumferential direction, and the operating portion 7 is formed at the distal end. The operation unit 7 has substantially the same width as the narrow band 3A and is connected to both narrow bands 3A. On the inside of the operation portion 7, a locking piece 9 is formed so as to project inward in the circumferential direction between the narrow band portions 3A via a narrow protruding piece 8. The narrow protruding piece 8, the locking piece 9, and the operation unit 7 are the knob pieces 4.
Both sides of the width of the narrow protruding piece 8 are gaps 10 into which a cam piece 13 described later can be inserted between the narrow width protruding piece 8 and the narrow band portion 3A. In addition,
The operating section 7 is used for engaging and disengaging the knob pieces 4.

As shown in FIG. 1 and the like, the locking piece 9 has an eight-letter shape whose tip is sharp and the rear is wider than the width of the narrow protruding piece 8, and a retaining member 11 is formed at the rear part of the eight-letter shape. The locking piece 9 has a gap 10 on the side of the stopper 11.

On the other hand, the end portion 5 on the side of the insertion convex portion is cut off at a predetermined length on both sides of the front end portion of the band-shaped material so as to have a narrow width which can be inserted between the narrow band portions 3A of the punched concave portion. The cam pieces 13 are formed on both sides of the portion.

That is, the insertion convex portion is formed by bending the end portion 5 of the clamp portion 2 upward and bending the end portion in the circumferential direction to protrude. As shown in FIG. 1, cam pieces 13 bent radially outward on both sides in the width direction are formed on the bent predetermined portions in the circumferential direction.

Each of the cam pieces 13 has a semicircular outer periphery serving as a cam surface 14 for guiding. Each of the cam pieces 13 is formed with a notched engaging portion 15 on the front side (on the clamp direction side of the knob piece 6). A predetermined protruding end on the distal end side from the cam piece 13 serves as an operation unit 16. The operation unit 16 is used when engaging and disengaging the knob piece 6. Both cam pieces 1
The knob 3 and the operation unit 16 are the knob pieces 6. Both cam pieces 1
An interval 3 is a locking piece 9 protruding from the one knob piece 4.
Can be engaged with the engaging portion 15, so that the two knob pieces 4, 6 can be engaged.

The temporary fixing of the hose clip 1 is performed by the operations (a) to (d) shown in FIG.
That is, first, as shown in FIG. 5 (a), the operating portions 7, 16 of the knob pieces 4, 6 of the insertion convex portion and the insertion concave portion of the hose clip 1 are provided with a clamping portion TA of a tool T such as a pliers. ,
Hit TB.

Next, as shown in FIG.
, And the two operation units 7 and 16 are brought close to each other with the holding portions TA and TB sandwiched therebetween. The locking piece 9 of one operation unit 7 is
And is pushed up and guided along the cam surface 14. Both operation parts 7 and 16 are clamping parts TA and T of the tool T.
As shown in FIG. 5C, the locking piece 9 is pushed forward of the cam surface 14 via the upper portion of the cam surface 14 because it is further approached by B. When the operating portions 7 and 16 are further approached, the locking piece 9 is raised forward by raising the cam surface 14, and each of the cam pieces 13 is inserted into the narrow projection 8 on both sides of the locking piece 9. Is inserted into the engaging portion 15 of the cam piece 13 so that
1 are engaged, and the temporary fixing state shown in FIG. 5D and FIG.

The temporary fixing of the hose clip 1 of this embodiment is urged (reduced in diameter) in the opposite direction to the engaging portion 15 of the cam piece 13 which is urged (reduced in diameter) in one direction. The engagement of the retaining piece 11 of the locking piece 9 ensures that the temporary fixing state is ensured, so that the retaining piece cannot be released as it is.

The temporarily fixed hose clips 1 are packed in a predetermined number of units, conveyed, and delivered to a user. E
Since the temporary fixing of the scrip 1 does not come off as described above,
The temporary fixing of the hose clip 1 is held at the time of transportation to be delivered to the user.

The delivered hose clip 1 in a temporarily fixed state is used by a user for tightening an object H such as a hose connected to a connecting member P such as a pipe. That is, after extrapolating the clamp portion 2 to the tightened body H, the tool T
The temporary stop is released by the operation of and the clamp portion 2 is clamped.

The operation of releasing the temporary fixing is shown in FIGS.
This is performed by the operation of (d). That is, first, FIG.
As shown in FIG.
Abut on the front side of the cam surface 14 of the
Is brought into contact with the operation unit 7. Next, the holding portion TB is made to approach the holding portion TA, and the locking piece 9 is pressed in a direction to come off from the locking portion 15 of the cam piece 13. The stopper 11 of the locking piece 9 is disengaged from the locking portion 15 of the cam piece 13 by pressing, so that the cam surface 1
4, the holding parts TA and TB of the tool T are removed. The locking piece 9 located on the cam surface 14 causes the two knob pieces 4 and 6 to contract through the steps (b), (c) and (d) of FIG. As shown in FIG. 7, a clamped body H such as a hose is clamped (finally tightened).

When the hose clip 1 that has been fully tightened is to be removed as required, a tool T is used to remove the above-mentioned FIG.
It can be easily achieved by the temporary fixing process operations shown in (a) to (d).

Next, a hose clip 21 according to a second embodiment of the present invention will be described with reference to FIGS. The hose clip 21 is also provided with the knob pieces 2 at both ends of the clamp portion 22.
The structure can be temporarily fixed at 4, 26. The clamp portion 22 is provided with elasticity by which the diameter of the band-shaped material is reduced, and both end portions 23 and 25 are formed in shapes that can be inserted into each other.

As shown in FIG. 8, the opposite ends 23,
25, the end 23 on the side of the punched recess is
A is bent outward, and its end is further bent in the circumferential direction, and an operation portion 27 is formed at the tip. The operation unit 27 is connected to both narrow band portions 23A, and
Is formed with a locking piece 29 protruding inward in the circumferential direction between the narrow band portions 23A. That is, the locking piece 29
Is formed so as to have a predetermined gap 30 between itself and the inside of the narrow band portion 23A, and an engagement hole 31 is provided through a predetermined front portion.

On the other hand, the end portion 26 on the side of the insertion convex portion is cut into a predetermined length portion on both sides of the width of the front end portion of the band material, and has a narrow shape which can be inserted between both narrow band portions 23A of the punched concave portion. ing. On both sides of the width of the distal end portion 25 of the insertion convex portion, an upright side portion 40 composed of a cam piece 33 and a guide piece 36 is bent outward in the radial direction. The cam piece 33 has an arc-shaped outer periphery serving as a guide cam surface 34, and a notched engaging portion 35 is formed on the front side. The guide piece 36 has a guide surface 37 that rises above the engagement portion 35 on an arc with an insertion gap 38 for the engagement piece 29 on the side opposite to the engagement portion 35 of the cam piece 33. The cam piece 33 and the guide piece 36 form a continuous and integral upright side portion 40, and these two members are spaced apart from each other. The front end of the guide piece 36 serves as an operating portion 39 for engaging and disengaging the engaging piece 29 and the engaging portion 35.

The engagement piece 29 guided by the cam surface 34 has the engagement hole 31 inserted into the insertion gap 38, and the engagement hole 31 can be engaged with the engagement piece 29, that is, the engagement portion 35. As shown in FIG. 10, the two knob pieces 24 and 26 are engaged with the clamping parts TA and TB of the tool T by the operation part 27 of the punching concave part and the operation part 39 of the guide piece 36 on the insertion convex part side. The contact pieces are brought closer to each other, the engaging piece 29 is guided along the cam surface 34 of the cam piece 33, and the engaging piece 29 is guided to the insertion gap 38, and the engaging hole 31 is formed.
Is engaged with the engaging portion 35 of the cam piece 33 so that the two knob pieces 2
4, 26 may be engaged. That is, as shown in FIG.
4 and 26 are temporarily fixed.

In order to release the temporary fixing of the temporarily fixed knob pieces 24 and 26, as shown in FIG.
4 and 26 operating parts 27 and 39, a tool T clamping part TA,
Hit the TB and bring them closer together. Then, since the tip of the engagement piece 29 is guided outward along the guide surface 37 of the guide piece 36, the engagement piece 29 (the engagement hole 31) is disengaged from the engagement portion 35 of the cam piece 33. Locking piece 2 disengaged from engaging portion 35
When the tool T is released, when the tool T is released, the locking piece 29 comes out of the insertion gap 38, and the two knob pieces 24, 26 are in a free state. The body can be clamped.

Next, a hose clip 41 according to a third embodiment of the present invention will be described with reference to FIGS. The hose clip 41 is structured so that it can be temporarily fixed by knob pieces 44 and 46 at both ends of the clamp portion 42. The clamp portion 41 is provided with elasticity by which the diameter of the band-shaped material is reduced, and both end portions 43 and 45 are formed as a punched concave portion and an inserted convex portion, and are formed in a shape that can be inserted into each other.

As shown in FIG. 12, both the narrow band portions 43A are bent outward at the end 43 on the punching concave side, and the ends are further bent in the circumferential direction. Are formed. The operation unit 47 is connected to both narrow band portions 43A. Inside the operation part 47, a locking piece 48 is formed so as to protrude inward in the circumferential direction between the two narrow band parts 43A. An engaging hole 49 extends through the center of the locking piece 48, and the distal end side is bent obliquely outward to form a guide piece 50.

On the other hand, an end portion 45 on the side of the insertion convex portion is bent outward and the end portion 45 is further bent in the circumferential direction, and a cam piece having a slanted cam surface 54 at the center of the tip end. 5
3 is cut and raised. As shown in FIG. 12, the cam piece 53 is formed by a key-shaped cut-and-raised piece whose tip end is separated. The cam piece 53 is inserted into the locking hole 49 of the locking piece 48 so that the engaging portion 55 inside the cam piece 53 and the engaging hole 49 can be engaged.

When the two knob pieces 44 and 46 are to be temporarily fixed, as shown in FIG.
The clamping parts TA, T of the tool T are attached to the operation parts 47, 56 of the 4, 46.
B is applied, and both knob pieces 44 and 46 are made to approach each other. The approaching knob pieces 44 and 46 are the guide pieces 5 at the tip of the locking piece 48.
13 is guided by the cam surface 54 of the cam piece 53, and proceeds beyond the cam surface 54, and the engaging hole 49 of the locking piece 48 engages with the engaging portion 55 inside the cam piece 53, as shown in FIG. As shown in (2), both knob pieces 44 and 46 are temporarily fixed.

In order to release the temporarily fixed pieces 44 and 46, as shown in FIG. 15, one holding portion TA of the tool T is brought into contact with the tip of the cam piece 53 and the other holding portion is held. The attachment portion TB is brought into contact with the operation portion 47 on the locking piece 48 side, and
A, TB approach. Then, the front side of the engagement hole 49 is operated in a direction in which the front side of the engagement hole 49 is separated from the cam piece 53 by the operation of the tool T which is clamped at a position where the front part of the engagement hole 49 is separated from the engagement part 55 of the cam piece 53. When the clamping portions TA and TB are removed, the diameter of the clamp portion 42 is reduced, and the knob piece 44 on the locking piece 48 side is used.
Exceeds the cam piece 53, the knob pieces 44, 46 are in a free state, and the temporary fixing is released. That is, it is in a clampable state.

[0039]

According to the hose clip of the first aspect, the workability of the temporary fixing can be improved. According to the hose clip of the second aspect, the operation of the temporary fixing and the temporary fixing release can be easily performed by the operation portions of the both knob pieces.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the structure of both knob pieces of a hose clip according to a first embodiment of the present invention.

FIG. 2 is a perspective view of a state in which both knob pieces are temporarily fixed.

FIG. 3 is a perspective view of the hose clip in a temporarily fixed state.

FIG. 4 is a side view of the hose clip in a reduced diameter state.

FIGS. 5A to 5D are operation process diagrams for engaging both knob pieces in a temporarily fixed state.

FIGS. 6 (a) to 6 (d) are operation process diagrams for temporarily releasing both tab pieces in a temporarily fixed state.

FIG. 7 is an explanatory view showing a hose-clamped state of the hose clip.

FIG. 8A is a perspective view showing the structure of both knob pieces of a hose clip according to a second embodiment of the present invention, and FIG. 8B is a side view of a cam piece and a guide piece.

FIG. 9 is a side view of a state in which both knob pieces are temporarily fixed.

FIG. 10 is an operation process diagram for engaging both knob pieces in a temporarily fixed state.

FIG. 11 is an operation process diagram of temporarily releasing both the tab pieces in the temporarily fixed state.

FIG. 12 is a perspective view showing the structure of both knob pieces of a hose clip according to a third embodiment of the present invention.

FIG. 13 is a side view of a temporary fixing state of both knob pieces.

FIG. 14 is an operation process diagram for temporarily fixing both knob pieces.

FIG. 15 is an operation process diagram of temporarily releasing both the tab pieces in the temporarily fixed state.

FIG. 16 is a perspective view of a conventional hose clip.

FIG. 17 is a perspective view of a conventional hose clip in which temporary fixing has been released.

FIG. 18 is an enlarged view of a main part showing a structure of a conventional hose clip in a temporarily fixed state.

FIG. 19 is a perspective view showing both knob pieces of the conventional hose clip of FIG. 18 in a temporarily released state.

[Explanation of symbols]

 1,21,41 Hose clip 2,22,42 Clamp part 4,6,24,26,44,46 Knob part 7,16,27,39,47,56 Operation part 9,29,48 Locking piece 11 Detachment 13, 33, 53 Cam piece 15, 35, 55 Engagement part 31, 49 Engagement hole H Tightened object P Connection member TA, TB Nipping part

Claims (2)

[Claims] 1. An opposite end portion is formed in an annular shape capable of being inserted into each other, and a clamp portion for elastically clamping a member to be fastened such as a hose to a connecting member. A hose clip of a type having both bent tab pieces, the two tab pieces being disengageably engaged and the clamp portion being temporarily fixed to a large diameter state against the clamping force. An engagement piece bent and formed in a clamping direction is provided on the one knob piece, and a cam piece for guiding the engagement piece is formed on the other knob piece and the cam piece is clamped. A hose clip, characterized in that an engaging portion for engaging the engaging piece is provided on a direction side. 2. The hose clip according to claim 1, wherein an operating portion is provided in front of the cam piece and an operating portion is provided behind the locking piece.