A cable entry port for waterproofing and dustproofing a cable, a housing with a cable entry port, and a method for inserting a cable into a cable entry port.

Abstract

The present invention relates to a cable inlet comprising a body, a sealing element and a clamping element, the body extending along a longitudinal axis and comprising a cavity and a first opening and a second opening for passing the cable, the sealing element being received in the hollow body and comprising a cylindrical channel for passing the cable, the cylindrical channel being oriented along the longitudinal axis, the clamping element being at the side of the second opening for clamping the sealing element, the body and the clamping element each comprising two detachable halves, the first half being at a first side of a plane and the second half being located at a second side of the plane, the longitudinal axis of the body being in the plane and the sealing element being helical in shape. The present invention also relates to a housing, a method and a use.

Claims

1. A cable entry point for passing a cable through the housing in a waterproof and dustproof manner, A body extending along its longitudinal axis, comprising a cavity, a first opening and a second opening for inserting the cable, the first and second openings positioned on the longitudinal axis of the body, on both sides of the cavity, and the body, A sealing element to be received in the cavity of the main body, comprising a cylindrical channel for inserting the cable, the cylindrical channel being oriented along the longitudinal axis, and A clamping element located on the side of the second opening is used to clamp the sealing element within the cavity of the main body, The cable entry port is equipped with, A cable entry port characterized in that the main body and the clamping element each include two detachable halves, the first half being located on the first side of a plane and the second half being located on the second side of a plane, the longitudinal axis of the main body being located in the plane, and the sealing element being spiral-shaped.

2. A cable entry port according to claim 1, characterized in that the cavity and the sealing element are conical in shape, the cavity and the sealing element have equal apex angles, and the apex angle of the cavity is positioned on the side of the first opening.

3. A cable inlet according to claim 1, wherein the main body includes a tension relief portion on the side of the first opening.

4. In the cable entry port according to claim 1, a washer is placed in the cavity of the main body near the first opening, The washer includes two detachable halves, The first half is located on the first side, and the second half is located on the second side of the plane. A cable entry port characterized in that the longitudinal axis of the main body is located within the plane.

5. In the cable entry port according to claim 1, the clamping element is a hollow bolt, the hollow bolt extends along its longitudinal axis, and A cable entry port characterized in that the hollow bolt includes a channel for passing the cable along the longitudinal axis.

6. A cable inlet according to claim 5, wherein the cable inlet includes a cylindrical threaded inner wall configured to receive the hollow bolt on the side of the second opening, symmetrically with respect to the longitudinal axis of the main body.

7. In the cable inlet according to claim 5, a hollow cylindrical pressing means is disposed inside the hollow bolt, and the cylindrical pressing means includes an annular pressure surface on the side of the second opening. A cable entry point characterized in that the cylindrical pressing means includes two detachable halves, the first half being located on the first side of a plane, the second half being located on the second side of a plane, and the longitudinal axis of the main body being located within the plane.

8. A housing with a cable inlet, comprising at least one cable inlet and a box, for inserting at least one cable in a waterproof and dustproof manner, A housing characterized in that each of the cable entry ports is as described in any one of claims 1 to 7, and the box includes two detachable halves, wherein the first half of the body of each cable entry port is integrated with the first half of the box, and the second half of the body of the cable entry port is clamped to the first half of the cable entry port by the second half of the box.

9. The housing according to claim 8, wherein the first half of the box includes a bottom plate, the bottom plate extends beyond the side wall on the side wall of the box having a cable inlet, and the bottom plate includes a tension relief portion on the outside of the box in the longitudinal direction of the cable inlet on the side wall.

10. A housing according to claim 8, wherein the housing comprises at least two cable entry points, the box includes an elongated cylindrical projection on its side wall, the elongated cylindrical projection includes a cylindrical channel for inserting a cable, the elongated cylindrical projection includes two detachable halves, the first half of the elongated cylindrical projection is part of the first half of the box, and the second half of the elongated cylindrical projection is part of the second half of the box.

11. A method for inserting a cable into a waterproof and dustproof cable entry port, - A step of feeding a cable into a cylindrical channel within the sealing element of the cable inlet; - A step of housing the sealing element within a cavity of the body of the cable inlet, wherein the body extends along its longitudinal axis, the cable is inserted through a first opening and a second opening of the body, the first opening and the second opening are positioned on either side of the cavity along the longitudinal axis of the body; - The step of clamping the sealing element into the cavity of the main body using a clamping element, The method comprising, The sealing element is wound spirally around the cable, the body is opened into two halves to receive the sealing element, and then the two halves are closed around the sealing element. A method characterized by opening the clamping element into two halves to clamp the sealing element, then closing the two halves around the cable, and fixing the clamping element inside or on the cable inlet.

12. In the method according to claim 11, the clamping element is a hollow bolt, The hollow bolt is tightened inside the cable inlet. A method characterized in that the hollow bolt compresses the sealing element during tightening.

13. The method according to claim 11, characterized by comprising the additional step of screwing into the tension relief portion included in the main body of the cable inlet.

14. The method according to claim 11, characterized in that the cable is not cut when inserted into the cable entry port.

15. The housing according to claim 8 for locating a junction box in a communication or energy system.

16. Use of the method according to claim 11 for locating a junction box in a communication or energy system.

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