JP2002005338A - Tube clamp - Google Patents

Abstract

PROBLEM TO BE SOLVED: To mount two types of tube with different diameters. SOLUTION: A clamp part 1 comprises substantially semicircular receiving portions 14, a cantilever-shaped spring portion 15 interposed between both receiving portions 14 to exert spring reaction force in the direction of the center point of the circle forming the receiving portions 14, engaging jaws 16 disposed at the bisecting points of the semicircular receiving portions 14, a first cantilever-shaped holding arm 11 disposed above the receiving portions 14 and on the side above the spring portion 15, second cantilever-shaped holding arms 12 disposed likewise above the receiving portions 14 and on the side above the engaging jaws 16, and a third cantilever-shaped holding arm 13 disposed above the engaging jaws 16 and formed with a shorter length than the second holding arms 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tube clamp having a clamp portion capable of holding two kinds of tubes having different diameters. The present invention relates to a tube holding clamp that securely holds a thin tube and does not wobble when holding a thin object.

[0002]

2. Description of the Related Art As a conventional tube holding clamp capable of holding two kinds of tubes having different diameters, there is, for example, one described in Japanese Patent Application Laid-Open No. Hei 11-201330. This is an oblong semicircular receiving portion formed by cutting an oblong hole in half, and is provided on the upper side of the oblong semicircular receiving portion based on the receiving portion. And two retaining pieces having different lengths. And, of these retaining pieces, those whose length is short are those having a large diameter value, that is, those which are adapted to hold a thick tube, and those having a long diameter are It is designed to hold a tube having a small diameter (thin tube).

[0003]

By the way, in the above-mentioned conventional one, the one having a small diameter value, that is, the holding of the thin tube is provided in the longer stopper piece and the receiving part. And a second receiving portion formed so as to be elastically deformable. On the other hand, a tube having a large diameter value, that is, a thick tube is held by a first oblong semicircular receiving portion and a shorter retaining piece. From these facts, in this conventional device, a difference occurs in the pitch between the held tubes between the case of holding a tube with a small diameter and the case of holding a tube with a large diameter. There is a problem that holding (clamping) cannot be performed. In addition, the interval between the clamp portions (holding portions) must be set according to the horizontally long semicircular receiving portion, and the pitch between the clamp portions must be large (wide). is there. In order to solve such a problem, the holding interval of the tube is set to a small value so that it can always be regulated to a constant value, and even when a tube with a small diameter is attached, the tube is kept at a constant value. SUMMARY OF THE INVENTION An object of the present invention is to provide a tube clamp having a clamp portion which does not wobble.
It is.

[0004]

Means for Solving the Problems To solve the above problems, the present invention takes the following measures. In other words, in the invention according to claim 1, a tube clamp capable of mounting two kinds of tubes having different diameters is provided at both ends in the width direction and has a substantially semicircular shape. A receiving portion having a shape, a spring portion which is provided between the two receiving portions, and which exerts a spring reaction force in a center direction of a semicircular portion forming the receiving portion; It is provided on the upper part of the stopper and is provided radially toward the center of the circle forming the receiving part, and the tip of some forms the semicircular receiving part. A configuration is adopted in which a plurality of cantilever-shaped holding arms formed so as to be located on the same circumferential surface as the circumferential surface of the circle to be clamped are provided. By adopting such a configuration, in the case of the present invention, two types of tubes having different diameters can be respectively held at the clamp portion. In holding such a tube, the tube is reliably held by the semicircular receiving portion and the elastic force of the cantilever-shaped holding arm provided above the receiving portion. .

Next, the invention according to claim 2 will be described. This is also basically the same as the first aspect. That is, in the present invention, with respect to a tube clamp having a clamp portion formed so that two types of tubes having different diameters can be mounted, the clamp portion is provided at both ends in the width direction. A receiving portion having a substantially semicircular shape, and a cantilever-shaped spring portion provided between the two receiving portions and exerting a spring reaction force in a center direction of a circle forming the receiving portion. And a cantilever-shaped first holding arm provided radially toward the center of a circle forming the receiving portion, provided above the receiving portion and on the upper side of the spring portion, Similarly, a cantilever-shaped second holding arm radially provided toward a center of a circle forming the receiving portion, which is provided above the receiving portion, and on a side of the second holding arm. It is provided radially toward the center of the circle forming the receiving portion, is formed shorter than the second holding arm, and has a tip portion which is the semicircular receiving portion. A cantilever-shaped third holding arm formed so as to be located on substantially the same circumferential surface as the circumferential surface of the circle to be formed is adopted.

By adopting such a configuration, in the case of the present invention, two types of tubes having different diameters are securely held (fixed) at the clamp portion. In particular, in the case of the present invention, the holding of a tube having a small diameter is ensured. That is, when a small-diameter tube is attached to the main clamp portion, the lower half of the tube located around the receiving portion is held by the spring reaction force of the spring portion, for example, as shown in FIG. At the same time, the upper half portion is pressed down toward the center of the tube by the tips of the two holding arms. Even in such a small-diameter tube, the circumferential portion of the tube is pressed down toward the center in substantially the same manner by the receiving portion, the spring portion, and the two holding arms provided radially. Becomes Therefore, the tube (the thin tube) is securely held at the clamp portion.

Next, the third aspect of the present invention will be described. This is also basically the same as the first aspect. That is, in the present invention, with respect to a tube clamp having a clamp portion formed so that two types of tubes having different diameters can be mounted, the clamp portion is provided at both ends in the width direction. A receiving portion having a substantially semicircular shape, and a cantilever-shaped spring portion provided between the two receiving portions and exerting a spring reaction force in a center direction of a circle forming the receiving portion. And an engaging claw provided at a semicircular portion of the semicircular receiving portion and formed toward a receiving surface of the receiving portion, and an upper portion of the receiving portion. A cantilever-shaped first holding arm provided on the upper side of the spring portion and radially toward the center of a circle forming the receiving portion, and also provided on the upper portion of the receiving portion. And on A cantilever-shaped second holding arm provided on the upper side of the engaging claw and radially toward the center of the circle forming the receiving portion, and provided on the upper portion of the engaging claw; It is provided radially toward the center of the circle forming the receiving portion, and is formed shorter than the second holding arm,
And a cantilever-shaped third holding arm formed so that its tip end is located on substantially the same circumferential surface as the circumferential surface of the circle forming the semicircular receiving portion. The following configuration was adopted.

By adopting such a structure, in the case of the present invention, two kinds of tubes having different diameters are securely held (fixed) at the clamp portion. In particular, in the case of the present invention, the holding of a tube having a small diameter is ensured. That is, when a small-diameter tube is attached to the main clamp portion, the lower half of the tube located around the receiving portion is held by the spring reaction force of the spring portion, for example, as shown in FIG. At the same time, the upper half portion is pressed down toward the center of the tube by the tips of the two holding arms. Even in a tube having such a small diameter, the circumferential portion of the receiving portion, the spring portion, the two holding arms provided radially, and the engaging claw formed of an elastic body are substantially the same over the entirety. Is pressed down toward the center. Therefore, the tube (the thin tube) is securely held at the clamp portion.

Next, the invention according to claim 4 will be described. This is also basically the same as the first to third aspects. That is, in the present invention, the tube clamp according to any one of claims 1 to 3 has a configuration in which a plurality of the clamp portions are provided in parallel. By adopting such a configuration, in the device of the present invention, it is possible to hold a plurality of thin tubes and thick tubes in a bundle with a single tube clamp, Even when the ratio between the number of thin tubes and the number of thick tubes is different, it is possible to make up for it with one tube clamp. In other words, parts (tube clamps) that are different in specifications can be shared and shared.

Next, the invention according to claim 5 will be described. This is also basically the same as the first to fourth aspects. That is, the present invention employs a configuration in which the entirety of the tube clamp according to claims 1 to 4 is integrally formed of a plastic material. By adopting such a configuration, in the case of the present invention, the entire tube clamp can be integrally formed by injection molding means or the like using a thermoplastic material. As a result, it is possible to improve the productivity and reduce the manufacturing cost.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. Although the present embodiment relates to the present embodiment, as shown in FIG. 1, the clamp unit 1 having a fixed width and a group of these clamp units in a state where a plurality of the clamp units 1 are provided in parallel are integrated. Mounting part 5 serving as a part to be mounted on a predetermined member
And that is basically composed of The group of clamps 1 and attachments 5 are integrally formed of a plastic material.

As shown in FIG. 2, the clamp portion 1 is provided at both ends in the width direction and has a substantially semicircular receiving portion 14 as shown in FIG. A cantilever-shaped spring portion 15 which is provided between the two receiving portions 14 and 14 and exerts a spring reaction force in the direction of the center point (O1) of the circle forming the receiving portion 14; The engaging claw 1 which is provided at a semicircular portion of the circular receiving portion 14 and is formed toward the receiving surface side of the receiving portion 14 and has elasticity.
6, a cantilever provided above the receiving portion 14 and above the spring portion 15 and radially provided toward a center point (O1) of a circle forming the receiving portion 14. A first holding arm 11 having the shape of a circle, which is also provided above the receiving portion 14 and is provided above the engaging claw 16 and forms the receiving portion 14. A cantilever-shaped second holding arm 12 radially provided toward the center point (O1);
Is provided radially toward a center point (O1) of a circle forming the receiving portion 14, and is formed shorter than the second holding arm 12;
And a cantilever-shaped third holding arm 13 whose tip is located on the same circumferential surface as that of the circle forming the semicircular receiving portion 14. Things. In this configuration, as shown in FIG. 1, the third holding arm 13 is provided at both ends in the width direction of the main clamp 1.
It is provided between 2 and 12.
And it is provided so that it may oppose the said 1st holding arm 11. As shown in FIG. In addition, the semicircular receiving portion 14 has at least a half circumference in the circumferential direction, and has one end, that is, the first holding arm 11 in the present embodiment. An overhang portion 141 is formed on the side on which it is provided. And this overhang part 1
A tube 41 having a large diameter is held by 41 (FIG. 4B).

In the above-mentioned structure, each of the holding arms 11, 12, and 13 can be elastically deformed. Of these two tubes (11, 12) provided on the left and right, the distal ends of the two tubes (11, 12) have a small diameter when the tube 9 'having a small diameter is set on the receiving surface of the receiving portion 14. It is located substantially on a circumferential surface formed around the O2 point which is the center point of the thin tube 9 '(see FIG. 2). Further, the third holding arm 13 having a short form, which is the remaining one, has a distal end portion whose circumferential surface forms a semicircular receiving portion 14 as shown in FIG. Are located on substantially the same circumferential surface. That is,
It is located on a circumferential surface centered on the O1 point. A pocket 161 for accommodating the engaging claw 16 is provided in a part of such a circumferential surface.
When the thick tube 9 is mounted, the engaging claw 16 bends and fits in the pocket 161. In addition, such an engagement claw 16 is in a normal state,
As shown in FIG. 2, the tip is located on the circumferential surface of a circle centered on the O2 point. For example, when a small-diameter tube 9 'is mounted, its outer periphery is It is designed to be in contact with the surface.

Next, the form (aspect) of each part when the tubes 9, 9 'are mounted on the clamp part 1 having such a configuration will be described with reference to FIGS. First, regarding the case where the small-diameter tube 9 'is attached,
This will be described with reference to FIG. In this case, as shown in FIG. 3A, a thin tube 9 ′ is inserted between the first holding arm 11 provided on the left and right and the second holding arm 12 and the third holding arm 13. Then, the holding arms 11, 12, and 13 having elasticity bend and open right and left. As a result, the tube 9 'is connected to the heel portions 11 provided at the respective distal ends of the first holding arm 11 and the second holding arm 12.
As shown in FIG. 3 (B), the lower half is slid on the parts 121 and 121 so as to be fitted in contact with the receiving surface of the receiving part 14. At this time, one side of the lower half of the tube 9 ′ is pressed in the O2 direction, which is the center point, by the spring reaction force of the spring portion 15, and the other side is pressed in the O2 direction by the elastic force of the engaging claw 16. Will be able to In addition, the upper half is pressed downward at the tips of the two holding arms 11 and 12. As a result, the small-diameter tube 9 'is pressed in the direction of the center point (O2) in a substantially uniform state over the entire circumference in the cross-sectional portion, and is securely held.

Next, the manner of mounting the large-diameter tube 9 will be described with reference to FIG. First, as shown in FIG. 4A, a large-diameter tube 9 is placed between the first holding arm 11 and the second holding arm 12 provided on the left and right, and the tube 9 is drawn in such a state. 4. Push in the direction of the arrow shown in FIG. As a result, the holding arms 11, 12, and 13 having elasticity bend and open left and right. As a result, the tube 9 slides between the heel portion 111 formed at the distal end of the first holding arm 11 and the heel portion 121 formed at the distal end of the second holding arm 12, and as shown in FIG. As shown, the lower half of the tube 9 is set in contact with the receiving portion 14. In this state, the engaging claw 16 bends as shown in FIG. 4B and is accommodated in the pocket 161, and the elastic force generated by the bending is the center point O of the tube 9.
Acts in one direction. Further, a spring reaction force of the spring portion 15 acts on the tube 9 so as to face the tube 9. Also,
In the upper half of the tube 9, the heel portion 1 formed at the tip of each of the first holding arm 11 and the second holding arm 12.
11 and 121 come into contact with each other, and act to press the tube 9 against the receiving portion 14 provided at the lower portion. Further, the distal end of the third holding arm 13 radially formed toward the point O1 contacts the tube 9 and acts to press the tube 9 toward the center point (O1). Further, an overhang portion 141 formed at a circumferential end of the receiving portion 14 acts to press the tube 9 toward the center. These holding arms 11, 1
2 and 13, the spring portion 15 and the engaging claw 16, and the overhang portion 141, etc.
Is surely held.

[0016]

According to the present invention, the tube clamp is provided at both ends in the width direction and has a substantially semicircular receiving portion, and is provided between the receiving portions. The semicircular portion forming the receiving portion, the spring portion exerting a spring reaction force in the center direction thereof, and the receiving portion provided above the receiving portion. Are provided radially toward the center of the circle forming the circle, and in some of them, the front end thereof is located on the substantially same circumferential surface as the circumference of the circle forming the semicircular receiving portion. And a plurality of cantilever-shaped holding arms formed so as to have a clamp portion composed of two types of tubes having different diameters at the clamp portion, respectively. I can hold it I became. Further, in holding such a tube, the semicircular receiving portion and the elastic force of the holding arm provided above the receiving portion ensure that the tube is held.

According to the present invention, the clamp portion is provided at both ends in the width direction and has a substantially semicircular receiving portion. A cantilever-shaped spring portion that is provided at
An engaging claw provided at a semicircular portion of a circle forming the semicircular receiving portion and formed toward a receiving surface side of the receiving portion; and an upper portion of the receiving portion And a cantilever-shaped first holding arm radially provided toward a center of a circle forming the receiving portion, provided on an upper portion side of the spring portion, and also on an upper portion of the receiving portion. A second cantilever-shaped holding arm provided on the upper side of the engaging claw, and radially provided toward a center of a circle forming the receiving portion; and the engaging claw. Are provided radially toward the center of the circle forming the receiving portion, and are formed shorter than the second holding arm, and the tip portion is the semicircular shape. On the same circumference as the circumference of the circle forming the receiving part A third holding arms formed cantilevered to location, so as to the was decided to employ a configuration consisting of, now holding the tube is reliably performed with a small diameter. That is, when a small-diameter tube is attached to the main clamp portion, the lower half of the tube located around the receiving portion is held by the spring reaction force of the spring portion, and the upper half portion is The distal ends of the two holding arms are pressed toward the center of the tube, and the tube having a small diameter includes a receiving portion, a spring portion, and two holding arms provided radially. Further, the circumferential portion of the engaging claw made of an elastic body is held substantially uniformly over the whole.

Further, in the present invention, since the entire tube clamp having the above structure is integrally formed of a plastic material, for example, the entire tube clamp is made of a thermoplastic plastic material. It has become possible to integrally mold by injection molding means or the like, and it has become possible to improve the productivity and, consequently, reduce the production cost.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the overall configuration of the present invention.

FIG. 2 is a front view showing an overall configuration of a clamp part which is a main part of the present invention.

FIG. 3 is a view showing a mode in a case where a tube having a small diameter is attached to the clamp portion according to the present invention.

FIG. 4 is a view showing an aspect in a case where a tube having a large diameter is attached to the clamp portion according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Clamp part 11 First holding arm 111 Heel part 12 Second holding arm 121 Heel part 13 Third holding arm 14 Receiving part 141 Overhang part 15 Spring part 16 Engagement claw 161 Pocket 5 Mounting part 9 Tube (thick tube 9 'tube (thin tube)

Claims (5)

[Claims] A tube clamp capable of mounting two types of tubes having different diameters, provided at both ends in the width direction and having a substantially semicircular receiving portion. And a spring portion which is provided between the two receiving portions and which exerts a spring reaction force in the center direction of the semicircular portion forming the receiving portion, and an upper portion of the receiving portion. The circumferential surface of a circle which is provided and is radially provided toward the center of the circle forming the receiving portion, and in some of which a tip portion forms the semicircular receiving portion. And a plurality of cantilever-shaped holding arms formed so as to be located on substantially the same circumferential surface as the tube clamp. 2. A tube clamp having a clamp portion formed so that two types of tubes having different diameters can be mounted, wherein the clamp portions are provided at both ends in the width direction. A receiving portion having a substantially semicircular shape, and a cantilever-shaped spring portion provided between the two receiving portions and exerting a spring reaction force in a center direction of a circle forming the receiving portion; A cantilever-shaped first holding arm provided on the upper side of the receiving portion and on the upper side of the spring portion, and provided radially toward the center of a circle forming the receiving portion; A cantilever-shaped second holding arm provided radially toward a center of a circle forming the receiving portion, provided on an upper portion of the receiving portion, and provided on a side of the second holding arm. so There is provided radially toward the center of the circle forming the receiving portion, and is formed shorter than the second holding arm, and has a tip portion of a circle forming the semicircular receiving portion. A tube clamp, comprising: a cantilever-shaped third holding arm formed so as to be located on substantially the same circumferential surface as the circumferential surface. 3. A tube clamp having a clamp portion formed so that two types of tubes having different diameters can be mounted, wherein the clamp portions are provided at both ends in the width direction. A receiving portion having a substantially semicircular shape, and a cantilever-shaped spring portion provided between the two receiving portions and exerting a spring reaction force in a center direction of a circle forming the receiving portion; An engagement claw provided at a semicircular portion of the semicircular receiving portion and formed toward a receiving surface of the receiving portion; and a spring portion provided above the receiving portion and provided at an upper portion of the receiving portion. And a cantilever-shaped first holding arm radially provided toward the center of a circle forming the receiving portion,
Similarly, a cantilever-shaped second member is provided above the receiving portion, is provided above the engaging claw, and is provided radially toward a center of a circle forming the receiving portion. The two holding arms, which are provided above the engaging claw, are provided radially toward the center of a circle forming the receiving portion, and are formed shorter than the second holding arm, and And a cantilever-shaped third holding arm formed so that the tip end thereof is located on substantially the same circumferential surface as the circumferential surface of the circle forming the semicircular receiving portion. A tube clamp characterized in that: 4. A tube clamp, wherein a plurality of clamp portions according to claim 1 are provided in parallel. 5. The tube clamp according to claim 1, wherein the whole is integrally formed of a plastic material.