JP3132697U - Corrugated pipe quick joint structure - Google Patents

Abstract

The present invention provides a quick fitting for a corrugated pipe in order to solve at a stretch the lack of fixing force and lack of waterproofness during installation and the inconvenience of attachment / detachment.
In order to connect a corrugated pipe and a fixing component, a quick coupling is constituted by a main body fixed to the fixing component, a tightening nut, and a setting claw, and the setting claw is connected to the main body and the tightening nut. 13, the corrugated pipe 50 is directly inserted into the tightening nut 13 in the joint, and at the same time the fixing claw 20 has a notch for clearance and a localization part in order to improve the fixing property. Provide an inner nail.
[Selection] Figure 1

Description

  The present invention relates to a structure of a quick joint of a corrugated pipe, and in particular, corrugated pipes having a structure that corresponds to corrugated pipes having different outer diameters by allowing the inner diameter of the hooking claw to be inserted and that allows the pipe to be directly inserted from the outside. Involved in the structure of quick pipe joints.

A corrugated pipe is generally a pipe with a hollow inside to protect cables and the like, that is, a pipe, which prevents the cable from being immersed in water or entering foreign matter such as insects and dust. In addition, in order to increase the flexibility and elasticity of the corrugated pipe so that it can cope with the bending and deformation of the cable during installation, annular convex portions and annular concave portions are alternately arranged on the outside of the corrugated pipe. Is provided.
In addition, when it is necessary to pierce the cable with a fixing part, the corrugated pipe is generally fixed by a joint, but this joint is fixed to the corrugated pipe so that it cannot be removed. For example, in the case of corrugated pipe joints, there are specifically Taiwan Patent Publication No. 295317 “Connection Structure of Cable Protection Pipe and Joint” and Publication No. 511816 “Rapid Joint of Cable Protection Pipe”. It has been proposed.
Taiwan Patent Notice No.295317 Taiwan Patent Notice 511816

However, as a drawback of the conventional corrugated pipe joint as described above, for example, the above-mentioned No. 295317 is taken as an example. First, the part that limits the position is only a simple hook shape, and only engages with the recess of the protective tube. Therefore, the protective tube is easy to come off when a pulling force is applied from the outside, and since the sealing part is provided only on the contact surface between the main body and the annular body, it does not have a waterproofing effect or insectproofing effect. It can be said that it is easily damaged by moisture and pests.
In addition, in public notice No. 449169, quick assembly and removal of the protective tube is provided, but it is still undeniable that it does not fall off easily, and does not exhibit a structure that can withstand particularly when external force is applied, and There is a disadvantage that the structure is complicated.
Furthermore, in the above-mentioned publication No. 511816, the push block must be pivoted, cannot be integrally molded, takes time for assembly, and is not easy to process. Since it does not exhibit a structure that can withstand the resistance of external force, many drawbacks remain, such as being easily pulled out by unexpectedly applying a force and not providing a waterproof effect.
Accordingly, in view of these drawbacks, a quick joint for a corrugated pipe according to the present invention is provided in order to solve the shortage of fixing force and lack of waterproofness during installation and the inconvenience of attaching and detaching at once.

In order to effectively install the corrugated pipe on the fixed part, the quick joint is provided with a main body and an anchoring claw, and the main body is provided with a first spiral portion and a second spiral portion at both ends, respectively, A tightening nut is screwed to the part, and a nut is screwed to the second spiral part to be installed on the fixed part. The installation claw has an annular shape, and both ends of the installation claw are in contact with the end face of the main body and the inside of the tightening nut, respectively, and are further vertically oriented on the periphery of the installation claw By providing a groove that is drilled by extending the inner claw, it is possible to provide a space that can increase the inner diameter of the installation claw, and a plurality of inner claws having elasticity are provided on the periphery of the installation claw, A stereotaxic portion projecting toward the center is provided at the extreme end of the inner claw, and a pilot surface that is shrunk relative to the extreme end surface of the tightening nut is provided at the stereotaxic portion. An upright stopper is formed corresponding to the end face.
In addition, a washer is provided in the second spiral portion of the main body in order to further enhance the fixing property by screwing the nut, and cuts are provided on both sides of the inner claw of the hooking claw to provide elasticity to the inner claw. The practicality is further enhanced.
Further, a prevention ring that comes into close contact with the hooking claw is provided in the first spiral portion of the main body, and the waterproof ring is made of a soft and waterproof material, and the waterproof ring is an extreme end portion of the main body. A convex contact edge is formed at a location opposite to the inner edge, and the convex contact edge is fitted to the extreme end of the corrugated pipe.
Furthermore, the peripheral edge of the hooking claw is provided with a recessed groove that is indented relative to the surface of the inner claw, and the waterproof ring is provided with a fitting portion that is opposed to the groove. And the hooking claw are fitted together. Further, an inner slope is formed on the inner edge of the waterproof ring to provide an effect of increasing the tightness of the corrugated pipe, and a convex annular edge is provided on the inner slope of the waterproof ring. By fitting them into the corrugated pipe, the action of localization is promoted and at the same time the waterproof effect is enhanced.

  According to the present invention, by providing a cut in the peripheral edge of the hooking claw, the inner diameter of the hooking claw is made clear so that the corrugated pipe can be directly inserted into the corrugated pipe of different sizes. Further, in the plurality of inner claws having elasticity provided at the peripheral edge of the hooking claw, a positioning portion that fits into a recessed portion of the corrugated pipe is provided at the extreme end portion, and the positioning portion is provided with the positioning portion. Provides a pilot surface that makes it easy to insert the corrugated pipe, and by providing an upright stopper on the stereotaxic section, the corrugated pipe is prevented from being pulled out directly, greatly improving the fixability. A convex ring that effectively prevents falling off due to an external force, and is further provided with a waterproof ring, but fits into a recess in a corrugated pipe provided on the inner slope of the waterproof inner edge. The edges, etc. to provide the effect of waterproof and insect dustproof enhance more the sealability to achieve at once a large number of objects, and succeeded in enhancing the practicality greatly.

As shown in FIG. 1, the quick joint structure of the corrugated pipe and the fixing part of the present invention is constituted by a main body 10, a tightening nut 13, a screw fixing nut 15, and a hooking claw 20. The quick coupling is for connecting a corrugated pipe having a plurality of convex portions 51 and concave portions 52 around it, and quickly assembling and screwing the corrugated pipe, and provides a waterproof and insectproof effect.
As shown in FIGS. 1, 2, 3, and 4, a first spiral portion 11 and a second spiral portion 12 are provided at both ends of a main body 10 having a columnar shape and a hollow inside, respectively. The fastening nut 13 is helically fixed, and the corrugated pipe 50 is fixed by the hooking claws 20. The second spiral portion 12 of the main body 10 is screwed and fixed onto the fixed component by the screw fixing nut 15 and the washer 16.
The eaves claw 20 has an annular shape, and both ends thereof are affixed to the extreme end surface of the first spiral portion 11 of the main body 10 and the inner surface of the tightening nut 13. A through-groove 21 extending in the longitudinal direction is formed at the peripheral edge, providing a space that assumes a case where the inner diameter of the anchoring claw 20 is increased, and the periphery of the anchoring claw 20 has elasticity. A plurality of inner claws 25 are provided, and cuts 26 are provided on both sides of each of the inner claws 25 (see FIG. 2), so that one end of the inner claws 25 corresponding to the first spiral portion 11 of the main body 10 is elastic. Furthermore, a fixed portion 250 whose center protrudes is formed at the extreme end of the inner claw 25, and the fixed portion 250 is fitted in the concave portion 52 of the corrugated pipe 50, and The localization part 250 is a pilot surface 2 that is slightly shrunk to the end face of the tightening nut 13. 1 (see FIG. 3), when the corrugated pipe 50 is inserted, when the inner claw 25 is spread outward, the corrugated pipe 50 is directly inserted quickly, and there is no need to open the tightening nut 13. Provide a structure that saves labor and time during installation.
Further, the localization portion 250 of the inner claw 25 forms an upright stopper 252 (see FIG. 3) corresponding to the end face of the main body 10, and when the corrugated pipe 50 is pulled outward, The corrugated pipe 50 is prevented from being unintentionally pulled and loosened or pulled out by being blocked by the localization portion 250 of the inner claw 25 of the rigging claw 20.
With these structures, a quick joint structure for a corrugated pipe that can be quickly mounted and cannot be pulled out directly is completed.

When actually using the present invention, as shown in FIGS. 1 to 4, first, the second spiral portion 12 of the main body 10 is drilled in the fixing part, and the main body 10 is fixed by the nut 15 and the washer 16. Closely set up. Subsequently, the hooking claw 20 is installed in the tightening nut 13, and the tightening nut 13 is lightly closed on the first spiral portion 11 of the main body 10, so that the corrugated pipe 50 can be directly inserted. Like that. Further, even if the size of the corrugated pipe 50 is somewhat large due to manufacturing, the clearance claw 20 is widened by the clearance generated by the groove 21 of the rigging claw 20 so that the inner diameter is increased. When the corrugated pipe 50 is further inserted into the inner claw 21, the localization part 250 of the inner claw 21 of the rigging claw 20 exceeds each convex part 51 of the corrugated pipe 50 one by one. At the same time, it is fitted into the opposite recesses 52 to provide ease of mounting and at the same time prevent the pipe from being pulled out unexpectedly. Finally, the tightening nut 13 is tightened to enhance the fixability of the corrugated pipe 50.
When removing the tightening nut 13 in the opposite direction, loosen it, and after removing the tightening nut 13, when the erecting claw 20 is opened directly out of the groove 21, The inner diameter changes due to elasticity, and the corrugated pipe 50 can be removed.

In another embodiment of the present invention, as shown in FIGS. 5, 6, 7 and 8, a waterproof ring 30 is provided in the first spiral portion 11 of the main body 10, and the waterproof ring 30 is soft and waterproof. The waterproof ring 30 can be once fitted into the laying claw 20, and the peripheral edge of the laying claw 20 is depressed at a position corresponding to the surface of the inner claw 21. Such a fitting groove 28 is provided, and the waterproof ring 30 is provided with a fitting portion 31, whereby the waterproof ring 30 and the hooking claw 20 are fitted and integrated, and at the inner edge of the waterproof ring 30. A convex contact edge 36 is provided at a location corresponding to the inner edge of the end portion of the main body 10 of the waterproof ring 30, and the convex contact edge 36 is the end portion of the corrugated pipe 50. Of the waterproof ring 30 and the waterproof ring 30. The inner slope 35 to form a convex annular edge 37, convex-type annular edge 37 is fitted in the recess 52 of the corrugated pipe 50, thereby enhancing the waterproof effect while enhancing the fixing effect. The attaching / detaching method can be carried out in the same manner as in the above-described embodiment and can bring about an unchanging effect. However, by installing the inner slope 35 of the waterproof ring 30, the corrugated pipe 50 is more closely attached and fixed. At the same time, the convex annular edge 27 and the concave portion 52 greatly enhance the waterproof and insect-proof effects.

It is an exploded view of the quick joint of the corrugated pipe of this invention, and is a figure which shows all the structures of this invention, and its relative relationship. It is an enlarged view of the setting claw of the quick joint of this invention. It is sectional drawing of the installation claw of the quick coupling of this invention. It is a composition sectional view of the quick joint of the present invention. It is a three-dimensional exploded view showing another embodiment of the quick joint of the present invention, and shows all the configurations of the embodiment and their relative relationships. It is another Example in the quick coupling of this invention, and is a figure which shows the cross section of a waterproof ring. It is another Example in the quick coupling of this invention, and is a figure which shows the cross section after an assembly | attachment of a waterproof ring, a setting nail | claw, and a corrugated pipe. It is another Example in the quick coupling of this invention, and is a figure which shows the cross section after an assembly.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Main body 11 1st spiral part 12 2nd spiral part 13 Clamping nut 15 Screw installation nut 16 Washer 20 Elevation claw 21 Groove 25 Inner claw 250 Localization part 251 Pilot surface 252 Stopper 26 Notch 28 Fitting groove 30 Waterproof ring 31 Fit Joint 35 Inner slope 36 Convex contact edge 37 Convex annular edge 50 Corrugated pipe 51 Convex part 52 Concave part

Claims (7)

In the structure of the quick joint of the corrugated pipe, which is composed of the main body and the hooking claw and for installing the corrugated pipe on the fixed part,
Both ends of the main body having the first spiral portion in which a tightening nut is screwed, and the second spiral portion screwed in a fixing part by the nut,
It has an annular shape, both ends are in contact with the end face of the main body and the inside of the tightening nut, and the peripheral edge has a groove that penetrates in the vertical direction to increase the inner diameter and create a clearance. The peripheral edge has a plurality of inner nails having further elasticity,
The inner claw has a stereotaxic portion extending toward the center, the stereotactic portion has a pilot portion that is shaped like a contraction toward the side of the tightening nut, and the stereotaxic portion is The anchoring claw having an upright stopper at a position facing the main body;
A structure of a quick joint for a corrugated pipe, characterized in that it has a structure that is quickly mounted and prevents the corrugated pipe from falling off due to an external force.   The structure of a quick joint for a corrugated pipe according to claim 1, wherein a washer is provided in the second spiral portion of the main body in order to increase the fixing force by screwing the nut. The structure of a quick joint for a corrugated pipe according to claim 1, wherein the inner claw is provided with notches on both sides of the inner claw to provide elasticity to the inner claw. A waterproof ring that is in intimate contact with the hooking claw is provided in the first spiral portion of the main body, the waterproof ring is made of a soft and waterproof material, and the waterproof ring is connected to the main ring. The structure of a quick joint for a corrugated pipe according to claim 1, wherein a convex contact edge is formed at a position corresponding to the inner edge of the end portion, and the convex contact edge is in contact with the extreme end portion of the corrugated pipe.   In order to fit and integrate the waterproof ring and the hooking claw, a fitting groove that is recessed relative to the surface of the inner claw is provided on the peripheral edge of the hooking claw, and the waterproof ring is relatively opposed to the groove. The structure of the quick coupling of the corrugated pipe according to claim 4, wherein a fitting portion is provided. 6. The structure of a quick joint for a corrugated pipe according to claim 4 or 5, wherein an inner slope is provided on the inner edge of the waterproof ring to enhance the tightness with the corrugated pipe.   The corrugated pipe according to claim 6, wherein a convex annular edge is provided on an inner slope of the waterproof ring, and the convex annular edge is fitted to the corrugated pipe in order to enhance the fixing action and the prevention effect. Quick fitting structure.

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