KR20000016977U - A connector for the protection pipe of cable - Google Patents

Abstract

The present invention relates to a connection port for connecting a protective tube in which wires wired to various automation machines, railway vehicles, cranes, conveyor systems, and the like with a distribution box or other wire protective tube. It is to make a complete engagement with the wire protection tube by pushing the fasteners and tightening the locking projections when inserting the wire protection tube so as to be caught in the pre-fastening state.

Insert the wire protection tube (5) into the insertion hole (14) of the connecting pipe (2) to fix it with the fastener (2) and insert the screw portion (8) to the outer bottom of the distribution box 18 to fasten with the tightening nut (6) In the conventional connector (1), the connecting tube (2) is formed to have a predetermined elastic force is divided into the secondary engaging jaw (11) and the engaging jaw (12) outside the fastening piece 23 formed to have a lower inner side A locking protrusion 13 is formed, and the fastening hole 3 is inserted into an outer side of the fastening piece 23 of the connection pipe 2, and a locking hole to which the auxiliary locking jaw 11 and the locking jaw 12 are engaged. (15) is formed in the lower end of the inner side of the connecting pipe (2) to the lower side of the inclined surface 22 is formed by pressing the locking projection 13 of the lower end of the connecting port (14) is pressed into the wire protection tube (5) side to secure the locking. There is a gist.

Description

CONNECTOR FOR THE PROTECTION PIPE OF CABLE}

The present invention relates to a connection port for connecting a protective tube in which wires wired to various automation machines, railway vehicles, cranes, conveyor systems, and the like with distribution boxes or other wire protective tubes. It is a simple work structure that converts the wire protector into a fully engaged state by pushing the fastener and tightening the locking projection when the wire protector is coupled. It is for.

In general, industrial machinery, railway vehicles, and cranes are complicatedly wired with controllers, distribution boxes, and wire cables interconnected with each component, and prevent damage to the wires due to external physical shocks. To keep things organized, several wires are placed in a protective tube made of synthetic resin such as polyamide.

The wire protective tube is usually formed of the outer periphery is connected to the distribution box or other protective tube by combining a separate connector at the end, the connector is produced and used in a variety of shapes and specifications depending on the quantity of wires and the position of the wiring have.

However, the conventional wire protective tube connector as described above had various problems in storage and installation.

Looking at the connection to the distribution box as an example;

After inserting the wire protection tube into the connector of the connector, it is fixed with a separate fixing clip, and the screw is inserted into the outer bottom of the distribution box to be fastened with a tightening nut inside the distribution box, which is separated from the connector and the fixing clip of the connector. It was handled by the company and resulted in poor work efficiency during installation and economic loss due to the loss of the fixed clip.

The present invention has been devised to solve the problems of the conventional connection port as described above, so that the engaging hole of the fastener is caught in a pre-fastened state on the locking jaw formed in the connector, and always handles the connection pipe and the fastener integrally at the same time. It is intended to provide a connector that gives the efficiency of installation work by allowing the inserted wire protection tube to be tightly coupled by simply pushing up the fastener upwards.

Looking at in detail with the accompanying drawings the configuration and operation of the subject innovation for achieving the above object is as follows.

1 is an exploded perspective view showing an embodiment of the present invention

Figure 2 is a cross-sectional view before use of the wire protection tube

Figure 3 is a cross-sectional view of the use state after insertion of the wire protection tube

4 is a close-up cross-sectional view of the fastener

5 is a cross-sectional view of the use state of the present invention

☞ Explanation of symbols used in the main part of the drawing ☜

1: fitting 2: connector 3: clamping

4: Close contact 5: Wire protector 6: Tightening nut

7: buffer ring 8: screw part 9: outlet

10: grounding section 11: auxiliary locking jaw 12: locking jaw

13: Jam projection 14: Insertion hole 15: Jam ball

16: protrusion 17: groove 18: distribution box

19: wire 20: step 21: upper slope

22: downward slope 23: tightening

1 is an exploded perspective view showing an embodiment of the present invention, Figure 2 is a cross-sectional view before use of the wire protection tube, Figure 3 is a cross-sectional view of the use state after the insertion of the wire protective tube, Figure 4 is a close-up cross-sectional view of the fastener, Figure 5 is The cross-sectional view of the state of use of the present invention is shown.

The present invention is to insert the wire protection tube 5 into the insertion port 14 of the connector 2 fixed in the fastener 2, and insert the screw 8 into the outer bottom of the distribution box 18 and fasten with the tightening nut 6, the connector 2 The auxiliary catching jaw 11 and the locking jaw 12 are formed to protrude to the outside of the tightening piece 23 formed to have a predetermined elastic force and the locking projection 13 is formed on the lower inner side, and the tightening port 3 is located on the outer side of the tightening piece 23 of the connecting pipe 2. A locking hole 15 is inserted into the auxiliary locking jaw 11 and the locking jaw 12, and a downwardly inclined surface 22 presses and locks the locking projection 13 at the lower end of the connecting pipe 2 to the wire protection tube 5 inserted into the insertion hole 14 at the inner bottom. This is characterized in that it is formed as follows.

The present invention is to form a tightening piece 23 to the lower end 20 of the connecting pipe 2, the tightening piece 23 is formed to be divided to have a predetermined elasticity.

In addition, the fastening piece 23 is formed in the upper side of the auxiliary catching jaw 11 having a downward inclined surface and the engaging jaw 12 at a predetermined interval side by side, wherein the upper inclined surface 21 corresponding to the auxiliary catching jaw 11 is formed on the upper inside And the fastener 3 having a locking hole 15 to which the auxiliary locking jaw 11 and the lower locking jaw 12 are coupled to each other so that the wire protection tube 5 can be locked after the insertion of the wire protection tube 5.

Tightening port 3 The upper auxiliary catching jaw 11 formed on the lower tightening piece 23 is formed in a downward inclined surface to be positioned on the upper inclined surface 21 of the upper locking surface 15 of the tightening hole 3 inserted into the outer side of the fastening port 3, and the lower locking jaw 12 is the locking hole 15 Coupling so as to be in the position jammed in.

Then, the downward inclined surface 22 is formed at the lower side of the fastener 3 by forming a downwardly inclined surface 22 and pushing up the fastener 3 inserted into the outer side of the fastening piece 23 (a fastener 3 in a state where the locking jaw 12 is engaged with the catching hole 15). The locking projection 13 at the bottom of the tightening piece 23 is configured to be pushed inward.

That is, in the state in which the lower locking jaw 12 is engaged with the fastener 3 engaging hole 15, the locking projection 13 inside the lower part of the fastening piece 21 is pre-tightened with the wire protection tube 5 (located outside the insertion hole 14 of the wire protection tube 5 having irregularities). When the locking hole 15 pushes up the fastener 3 and overcomes the upper auxiliary catching jaw 11 while combining the auxiliary catching jaw 11 of the upper part of the catching jaw 12 together, the downwardly inclined surface 22 inside the bottom of the tightening device 3 is connected to the connection pipe. 2 The lower locking piece 23 is pushed inwardly by the downwardly inclined surface 22 and the locking projection 13 is engaged with the wire protection tube 5 to fix the wire protection tube 5 to the connection tube 2.

The downwardly inclined surface 22 of the lower end of the tightening hole 3 which is inserted into the outer side of the tightening piece 23 of the connecting pipe 2 and presses the lower locking projection 13 inwardly is sufficiently pushed inwardly by the locking projection 13 of the tightening piece 23 of the wire protective tube 5. It is formed with a slope that can provide a firm engagement relationship on the inlet side.

When the coupling with the wire protection tube 11 is completed, place the buffer ring 7 in the grounding part 10, and then tighten the tightening nut 6 to the screw part 8.

Looking at the operation of the present invention configured as described above are as follows.

The contact piece 4 is inserted into the insertion hole 14 formed inside the connecting pipe 2 and brought into close contact with the inner stopper jaw.

On the other hand, the close contact piece 4 is in close contact with the inner surface of the close contact piece 4 and the protrusion 16 formed in the wire protection pipe 5 when the wire protection tube 5 is in close contact with each other to obtain the effect of waterproof.

And insert the connecting pipe 2 so that the coupling is made to the inside of the fastener 3.

At this time, the locking hole 15 formed in the fastener 3 is fitted into the locking jaw 12 of the connecting pipe 2 to form a pre-fastening state.

Push the wire protection tube 5 through the insertion hole 14 of the connecting tube 2 to the inside of the close contact piece 4 when the insertion is completed, push up the fastener 3 coupled to the connecting tube 2 in a pre-fastened state to the upper side.

When the fastener 3 is pushed upward, the upper inclined surface 21 which is in contact with the auxiliary catching jaw 11 is deviated and the catching hole 15 is caught by the upper end of the auxiliary catching jaw 11 to form a seated state.

At this time, the catching hole 15 has a perforated space into which the auxiliary catching jaw 11 and the catching jaw 12 can be inserted at the same time. The protruding catching jaw 12 of the connecting pipe 2 is caught by the catching hole 15 formed in the fastener 3 and is not separated downward. .

In addition, the auxiliary catching jaw 11 formed on the upper side of the engaging jaw 12 is formed at right angles to the upper connecting pipe 2 and the lower portion forms the inclined surface. Therefore, when pushing the fastener 3 upward, the upper inclined surface 21 is in contact with the inclined surface of the lower side of the auxiliary catching jaw 11. It can be easily removed from the state.

Then, when the fastener 2 is pushed up, the downwardly inclined surface 22 slides upward and gradually tightens the engaging protrusion 13 formed inside the fastening piece 23 to complete the coupling in a state in which the recess 7 of the electric wire protective tube 5 is fitted.

Since the tightening piece 23 is formed in a separated state, it is easily tightened inwardly with elasticity.

As described in detail above, the present invention forms the connector 2 lower locking jaw 12 so that the fastener 3 is coupled to the connector 2 in a pre-tightened state, thereby providing simplicity that can be handled integrally with the connector 2 at all times, and tightening. It is a very useful design with the expected value of pushing up the old 3 so that the wire protection tube 5 is fully engaged and maximizes the efficiency of the fastening operation.

Claims (1)

In the normal connector 1, the wire protection tube 5 is inserted into the insertion port 14 of the connecting tube 2 and fixed with the fastener 2, and the screw 8 is inserted into the outer bottom of the distribution box 18 and fastened with the tightening nut 6. The connecting pipe 2 is divided into a tightening piece 23 formed to have a predetermined elastic force, the auxiliary locking jaw 11 and the locking jaw 12 protrudes to the outside and the locking projection 13 is formed on the lower inner side, the fastener 3 is tightening of the connecting pipe 2 Part 23 is inserted to the outside, the engaging hole 15 is formed to be engaged with the auxiliary engaging jaw 11 and the engaging jaw 12 is formed in the inner lower end by pressing the locking projection 13 of the lower end of the connecting tube 2 to the wire protection tube 5 inserted into the insertion hole 14 to secure the locking. Wire protective tube connector, characterized in that the downward inclined surface 22 to be formed.