JPH10299961A - Clamp and hose connecting structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To fasten a hose in a requested position by providing an annular body, an annular fastening means, and a positioning means extended from one side or both sides of the annular body. SOLUTION: An annular body 2 is composed of two annular wires 2A, 2B, and thereaded brackets 31, 31' are fastened to the end parts of the annular wires 2A, 2B. A space between the threaded brackets 31, 31' can be changed by rotating a screw 32 so as to enlarge and contract the annular body 2. A positioning means 4 is fixed to one side of such an annular body 2. In case of fastening a hose of a tube using a clamp 1, the clamp 1 with the annular body 2 loosened is passed through the tip part of the hose, and the tip part of the tube is inserted in the hose. A tip part 41 of the positioning means 4 is then engaged with the tip of the hose, and in this position, the screw 32 is turned to fasten the tube and hose by the clamp 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clamp for tightening a hose inserted into a tube, and more particularly to a clamp capable of determining an appropriate position for mounting the hose on the hose.

[0002]

2. Description of the Related Art In order to clamp a hose inserted into a tube, a clamp having an annular body and a tightening means capable of adjusting the diameter of the annular body is generally used. FIG. 10 shows a state in which the hose is fastened to the tube using this clamp (wire type). Tube 6
In general, a spool 61 for determining the insertion depth of the hose 5 is protruded, and a bulge 62 is projected to prevent the hose 5 from slipping out and leaking liquid. Hose 5
The clamp 10 needs to be attached between the spool 61 and the bulge 62 in order to securely fasten the hose 5 to the tube 6 until the tip of the hose 6 comes into contact with the spool 61.

Conventionally, a clamp 10 has a spool 61 and a bulge 62.
The two projecting ring portions 51, 51 'are provided on the outer periphery of the hose 5 as marks so that the hose 5 can be attached between the hoses. When the hose 5 is inserted to the spool position of the tube 6,
And the bulge 62, the clamp 10 is disposed between the two protruding ring portions 51 and 51 ', so that the clamp 10 is securely connected between the spool 61 and the bulge 62. Could be attached to

[0004]

However, in order to provide the protruding ring on the outer periphery of the hose as described above, a special mold is required, and there has been a problem that the cost of manufacturing the hose is increased. Further, it is necessary to prepare various hoses of a desired length, and it has not been possible to cut and use a long hose in a required amount. Accordingly, an object of the present invention is to provide a clamp that can easily perform the positioning of the clamp without providing a protruding ring portion on the outer periphery of the hose.

[0005]

Means for Solving the Problems In view of the above problems, as a result of intensive studies, the present inventor has found that the clamp can be attached to the hose at a desired position by providing the clamp with a positioning tool. completed.

That is, the present invention provides a clamp having an annular body, means for tightening the annular body, and a positioning tool protruding on one or both sides of the annular body. The hose is fitted to a tube having a bulge protruding from the distal end thereof and having a spool protruding behind the hose so that the distal end of the hose comes into contact with the spool, and the clamp is attached around the hose. The hose is fixed to the tube by tightening the annular body of the clamp by the fastening means, and when the tip of the positioning tool of the clamp is aligned with the tip of the hose, the annular body of the clamp is A hose connection structure set to be located between a bulge of a tube and a spool.

[0007]

According to the clamp of the present invention, the position of the clamp with respect to the hose can be determined by using the tip of the positioning tool provided on the clamp as a mark, and the hose is provided at a desired position, for example, at a tube. Can be tightened between the set spool and the bulge. In particular, if the distal end portion of the positioning tool is bent inward, the clamp can be easily positioned by engaging the distal end portion with the hose distal end.

Further, if the positioning tool is provided so as to be inserted on both sides of the annular body, it is not necessary to attach the clamp to the hose in consideration of the direction of the clamp, and the clamp is inserted into the hose from either side. However, the positioning of the clamp can be performed. The positioning tool may be a plate-shaped body or a rod-shaped body as long as the positioning tool has a length such that the above-described operation and effect can be obtained.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail.
One embodiment of the present invention is shown in FIG. Clamp 1 of this specific example
, The annular main body 2 includes two annular wires 2A, 2A.
B, and each of the annular wires 2A, 2B
Is folded back into a U-shape, with a screw bracket at the end
31 and 31 'are fixed. The screw bracket 31, 31 '
A screw 32 is screwed in between. The distance between the screw brackets 31, 31 'can be changed by rotating the screw 32, whereby the diameter of the annular body 2 can be adjusted.

A positioning tool 4 is extended from one side of the annular main body 2. The positioning tool 4 is plate-shaped,
The root end is folded in two, and the annular main body 2 is fixed by clamping and swaging between the two. Further, the distal end of the positioning tool 4 is bent inward to form a hook-like hand. The mounting position of the positioning tool 4 is not particularly limited, and the method of mounting the positioning tool 4 to the annular main body 2 is not particularly limited. For example, it may be attached by welding, soldering, bonding or the like. The protrusion amount L of the positioning tool 4 is set such that the clamp 1 is located at a desired position on the hose, specifically, between a spool provided on a tube and a bulge. The amount of bending of the distal end portion 41 is not particularly limited as long as it is smaller than the thickness of the hose to be used.

Here, referring to FIG.
The method of tightening the hose to the tube using will be described. The tube 6 in FIG.
The spool 61 projects from the back of the bulge 62. First, the clamp 1 with the annular body 2 loosened is passed through the tip of the hose 5. The hose 5 is inserted into the tube 6 until the end of the hose 5 comes into contact with the spool 61. Next, the positioning tool 4 of the clamp 1
Is engaged with the tip of the hose 5, and the screw 32 of the clamp 1 is turned at that position to widen the interval between the screw brackets 31, 31 '. Thus, the clamp 1 tightens the hose 5 between the spool 61 of the tube 6 and the bulge 62.

The positioning tool in the clamp according to the present invention includes:
As shown in FIG. 3, the tip may not be bent. In the case of such a flat positioning tool 4a, the position of the clamp 1a is determined by using the tip of the positioning tool 4a as a mark, for example, by matching the tip of the positioning tool 4a with the tip of the hose. be able to.

Further, the positioning tool may be extended on both sides of the annular main body 2 as shown in FIG. In the case of this type of positioning tool 4b, there is no need to consider the front-back direction of the clamp 1b when inserting the clamp 1b into the hose, and even if the clamp 1b is passed through the hose from either side, the clamp 1b Can be positioned. In this specific example, the positioning tool 4 includes two plate members 4A and 4B, and sandwiches the annular main body 2 between the plate members 4A and 4B.
The pin 4C protruding from the plate 4B is passed through the hole provided in A and fixed by caulking, but the present invention is not limited to such a fixing method.

In the above, the positioning tool has been described by taking a plate-like body as an example. However, the present invention is not limited to this shape and may be a rod-like body. Examples of a clamp having a rod-shaped positioning tool are shown in FIGS. The positioning tool 4c provided in the clamp 1c of FIG. 5 is of a linear type, and the positioning of the clamp 1c can be performed by using the tip of the positioning tool 4c as a mark. The positioning tool 4d provided in the clamp 1d of FIG. 6 is of a type in which the tip is bent inward and has a hook-like shape, and by engaging the tip with the hose tip, The positioning of the clamp 1d can be easily performed. The positioning tool 4e provided on the clamp 1e of FIG. 7 is of a type that is inserted on both sides of the annular main body 2, and there is no need to consider the front-back direction when inserting the clamp 1e into the hose. From the side of the clamp 1e
Can also be positioned by passing it through a hose. FIG.
Also in the clamps shown in Nos. 1 to 7, the mounting position of the positioning tool is not particularly limited, and the method of mounting to the annular main body 2 is not particularly limited.

Although the fastening means in the clamp described above is composed of a screw bracket and a screw, the clamp of the present invention is not limited to this. For example, as shown in FIG. 8, the hose may be of a type in which the elasticity of the annular main body 2 is used to tighten the hose. In the clamp 1f of FIG. 8, two grips 33, 33 'formed of wires of the annular main body 2 are provided instead of the screw 32 and the screw bracket 31 in the clamp 1 of FIG. In this clamp 1f, the diameter of the annular main body 2 can be increased by pulling the grip portion 33 and the grip portion 33 ′,
The diameter of the annular main body 2 can be reduced by opening the attracted grip portions 33, 33 '.

In order to tighten the hose to the tube using the clamp 1f, the following may be performed. First, the grip portion 33 and the grip portion 33 'are drawn to enlarge the diameter of the annular main body 2 beyond the hose diameter, and the clamp 1f is passed through the distal end of the hose. After releasing the drawn grips 33, 33 ', the hose is inserted into the tube until the end of the hose comes into contact with the spool. Again, grip part 33 and grip part
While pulling 33 ′, the tip 41 of the positioning tool 4 of the clamp 1f is engaged with the tip of the hose, and the grips 33, 33 ′ are opened at that position. Thus, the clamp 1f tightens the hose between the tube spool and the bulge.

The annular main body in the clamp according to the present invention is not limited to a wire-like one, but may be a belt-like one as shown in FIG. 1g of such a clamp
In the above, the annular main body 2g is composed of an annular strip 2C and an L-shaped plate 2D. One end of the annular strip 2C is bent outward, and the other end is L-shaped.
A letter-shaped plate 2D is fixed. Strip 2C and plate 2
Screw brackets 31g and 31g 'are respectively fixed to the portions bent outside of D, and a screw 32g is screwed between the screw brackets 31g and 31g'. The distance between the screw brackets 31g and 31g 'is
The diameter of the annular main body 2g can be reduced by tightening g. In addition, even in the case of this specific example, the positioning tool may be a rod type.

Although the present invention has been described in detail with reference to the drawings, the present invention is not limited thereto, and various modifications can be made without departing from the spirit of the present invention.
For example, the position where the positioning tool is attached is not limited to the annular main body, but may be an adjusting unit.

[0019]

According to the present invention, the clamp can be mounted at an appropriate position without providing a protruding ring portion on the hose, so that the hose can be manufactured at low cost and the required length can be reduced. No hose is required, and a long hose can be cut and used as needed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a clamp according to an example of the present invention.

FIG. 2 is a sectional view showing a state in which a hose is fastened to a tube using the clamp of the present invention (clamp fastening means is omitted).

FIG. 3 is a perspective view showing a clamp according to another example of the present invention.

FIG. 4 is a perspective view showing a clamp according to another example of the present invention.

FIG. 5 is a perspective view showing a clamp according to another example of the present invention.

FIG. 6 is a perspective view showing a clamp according to another example of the present invention.

FIG. 7 is a perspective view showing a clamp according to another example of the present invention.

FIG. 8 is a perspective view showing a clamp according to another example of the present invention.

FIG. 9 is a perspective view showing a clamp according to another example of the present invention.

FIG. 10 is a sectional view showing a state where a hose is fastened to a tube using a conventional clamp (clamp fastening means is omitted).

[Explanation of symbols]

1, 1a, 1b, 1c, 1d, 1e, 1f, 1g ... clamp of the present invention 10 ... conventional clamp 2, 2g ... annular body 2A, 2B ... annular wire 2C ... annular strip 2D ... L-shaped plate 31, 31 ', 31g, 31g' ... screw bracket 32, 32g ... screw 33, 33 '... gripping part 4, 4a, 4b, 4c, 4d, 4e ... positioning tool 4A, 4B ... plate material 4C ... pin 41 ... tip 5 ... Hose 51, 51 '... Protrusion 6 ... Tube 61 ... Spool 62 ... Bulge

Claims (6)

[Claims] 1. A clamp having an annular body, means for tightening the annular body, and a positioning tool protruding on one or both sides of the annular body. 2. The clamp according to claim 1, wherein the positioning tool is a plate. 3. The clamp according to claim 1, wherein the positioning tool is a rod. 4. The clamp according to claim 1, wherein a tip portion of the positioning tool is bent inward. 5. The hose according to claim 1, wherein the hose is fitted to a tube having a bulge protruding from a distal end thereof and a spool protruding rearward so that the distal end of the hose comes into contact with the spool. And the hose is fixed to the tube by tightening the annular body of the clamp by the tightening means, and the tip of the positioning tool of the clamp is matched with the tip of the hose. A hose connection structure in which the annular body of the clamp is set to be located between the bulge of the tube and the spool. 6. A hose having a bulge protruding from a distal end thereof and having a spool protruding rearward thereof, the hose being fitted so that the distal end of the hose abuts on the spool, and around the hose. Wherein the hose is fixed to the tube by tightening the annular body of the clamp by the tightening means, wherein a tip of a positioning tool of the clamp is engaged with a tip of the hose. A hose connection structure in which the annular body of the clamp is located between the bulge of the tube and the spool when the clamp is engaged.