Classifications

• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
  • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
  • H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
  • H01B17/00—Insulators or insulating bodies characterised by their form
  • H01B17/26—Lead-in insulators; Lead-through insulators
  • H01B17/30—Sealing

Definitions

• the invention relates to a cable bushing for passing cables through a partition element, for example a partition or housing wall, and an arrangement.
• Such cable bushings are used to lead one or more cables through a separating element, in particular a dividing wall, in various applications. It is often necessary here for the cables to be guided through an opening in the separating element in a sealed manner, in particular in order to be sealed against the ingress of moisture or dirt.
• the cables are arranged in a passage of an associated sealing element.
• Document DE 10 2013 110 545 A1 discloses a cable leadthrough for passing cables through a separating element.
• the cable bushing has a holding part, which provides a bushing housing.
• the bushing housing has a bottom and a housing wall running around the side. The bottom is formed in one piece with the side housing wall.
• Receptacles are provided in the floor, into which sealing elements are inserted, which provide a respective passage for receiving a cable.
• a guide part is locked in the holding part, which is secured to the holding part by means of a positive connection.
• a grommet made of an elastic material is arranged in the opening, which has a passage for receiving a section of the guide part of the cable bushing, into which the guide part of the cable bushing is then inserted.
• An end face of the holding part facing the separating element forms a stop which is brought to a stop against the end face of the grommet when the cable bushing is being fitted.
• the object of the invention is to provide a cable bushing for passing cables through a separating element and an arrangement with a cable bushing which is flexible Adaptation of the cable entry to different application situations as well as secure installation of the cable entry on a separating element is guaranteed.
• a cable bushing is provided for routing cables through a separating element according to independent claim 1 and independent claim 12. Furthermore, an arrangement according to claim 10 is provided. Refinements are the subject of dependent subclaims.
• a cable bushing for the passage of cables through a separating element is created, which is formed with a bushing housing which has a housing interior which is delimited by a side housing wall and a housing base with a bottom opening for the passage of a plurality of cables. Furthermore, a dividing component, which is arranged in the interior of the housing opposite the housing base and provides receptacles, and sealing elements are provided, each of which is arranged in one of the receptacles and has a cable passage which is set up to receive a cable in a sealing manner.
• the cable bushing also has a screw-in and locking component, which has a proximal threaded section and a distal threaded section with respect to the bushing housing.
• the proximal threaded section is screwed into an internally threaded section of the lead-through housing in such a way that the dividing component and the sealing elements are thereby secured in the interior of the housing by means of the screw-in and locking component.
• the distal threaded section is designed to form a screw connection with a screwing partner for mounting the bushing in the area of an opening of a separating element.
• a cable bushing for the passage of cables through a separating element is created, which is formed with a bushing housing which has a housing interior which is delimited by a side housing wall and a housing base with a bottom opening for the passage of a plurality of cables. Furthermore, a dividing component, which is arranged in the interior of the housing opposite the housing base and provides receptacles, and sealing elements are provided, each of which is arranged in one of the receptacles and has a cable passage which is set up to receive a cable in a sealing manner.
• the bottom opening in the area of the bottom of the housing is arranged at least in sections by one on the bushing housing Surround the seal, on which the sealing elements, if these are arranged in the receptacle, come into sealing contact.
• the arrangement of the dividing component and the sealing elements in the receptacles of the dividing component enables the cable duct to be individually adapted to different application situations.
• the sealing elements can be individually adapted to various tasks in order to then arrange them in the receptacles to form the cable bushing.
• the sealing elements can have a separating cut in the longitudinal direction, which makes it possible to open the sealing element in the region of the separating cut in order to arrange a cable in the passage provided in the sealing element.
• the cable bushing can be securely mounted on the separating element, in particular also in applications in which the cable bushing is exposed to vibrations or shocks during operation.
• the cable leadthrough is further optimized in that the dividing component and the sealing elements are fixed and secured therein by means of the screwing and locking component after the screwing in of the screwing and locking component into the bushing housing, it being possible for the sealing elements to be provided on the end face are clamped.
• the housing interior can have a polygonal cross section transverse to the longitudinal direction of the cables to be passed, for example a square cross section.
• the receptacles that are provided by means of the dividing component can have an angular cross section into which the sealing elements fit in a form-fitting manner.
• the screw-in and locking component can be formed with a single opening or passage through which the plurality of cables run.
• a plurality of passages can be provided in the screw-in and locking component, each of which serves to receive one or more cables.
• the housing base can be formed with a peripheral edge which surrounds the opening for the cables.
• the dividing component can come into contact with this.
• the cable entry can in particular be mounted on a separating element designed as a partition or housing wall.
• the sealing elements can be made of an elastic material, and the screw-in and locking component can press against the sealing elements in the screwed-in position, so that they receive a respective cable in a sealing manner. It can be provided that the screwed-in and locking component in the screwed-in position presses exclusively or additionally against an end face facing the opening of the separating element (surface of the sealing element which encloses an outlet of the cable passage).
• the sealing element made of elastic material By pressing the sealing element made of elastic material, a seal is formed around the cable accommodated in the sealing element.
• the sealing element is pressed against wall sections surrounding the receptacle of the sealing element, so that a sealing effect is also formed in these areas.
• pressure elements are formed on the screw-in and locking component, which, when screwed in, press obliquely against surface sections of the sealing element, for example obliquely against a front edge.
• the dividing component can be arranged in a self-retaining manner in the interior of the housing.
• the dividing component is detachably accommodated in the interior of the housing.
• Self-retaining assembly can be achieved, for example, by clamping or clipping the partition component into the interior of the housing.
• the screwing-in and locking component then additionally secures the partition component in the interior of the housing, so that, for example, protection against loosening due to oscillations or vibrations of the cable bushing is formed during operation.
• the dividing component can be arranged on the inside of the bushing housing in associated guides.
• the guides can be formed with grooves, grooves or depressions, be it in the area of the side housing wall and / or the housing base. If the assigned guides are (also) formed in the area of the side housing wall, they can serve to guide the partition component when it is inserted from the front opening of the bushing opposite the floor, for example to arrange the partition component as simply as possible in the correct one Support mounting position.
• the proximal and the distal threaded section can be formed on component sections of the screw-in and locking component which have different outside diameters. For example, the component section with the proximal thread section can have a smaller diameter than the component section with the distal thread section.
• the distal and proximal threaded sections can have the same outer diameter.
• a thread-free section for separating the distal and the proximal threaded section can be provided between the two threaded sections.
• the screw-in and locking component can be made in several parts.
• component parts for example two component halves, for example in the form of half-tube sections.
• the component parts can, for example, be assembled for assembly, for example by protrusions formed on the component parts engaging in assigned receptacles. It can be provided that the component parts are connected by means of clamps or clips.
• the screw-in and locking component can be divided in the longitudinal direction, which makes it possible to arrange the cables to be passed between them before the component parts are brought together.
• the screw-in and locking component can be made in one piece.
• the screw-in and locking component can be made in one piece or in one piece.
• a stop for the insertion of the screw-in and locking component in the opening of the separating element can be formed on the component section of the screw-in and locking component on which the proximal threaded section is arranged.
• the stop can come to a stop on one surface of the separating element, for example on an outer surface of a partition.
• the bushing housing can have a circumferential seal on an end face, which comes into contact when it is mounted on the separating element.
• the seal can be made of an elastic material. It can be provided that the seal is integrally formed on the bushing housing, for example by means of two-component injection molding. Alternatively, it can be provided that the seal is detachably arranged on the bushing housing, for example as a removable sealing ring. In an embodiment of the cable bushing with the screw-in and locking component, it can be provided that the bottom opening in the region of the housing base is at least partially surrounded by a seal. As an alternative or in addition to the seal, the seal can be provided on the end face, be it continuous or interrupted all around the bottom opening.
• the seal in the area of the housing base can be formed with a web or a projection (sealing web or sealing projection) in the various configurations.
• the seal can be integrally formed on the bushing housing, for example by means of two-component injection molding, for example as a soft plastic component, while the bushing housing is made of a hard plastic component. In this way, the seal can be arranged positively and captively on the bushing housing or molded.
• the seal is in sealing contact with a rear and / or a lateral surface of the sealing elements when they are inserted or inserted into an associated receptacle.
• the seal which is formed completely or partially encompassing the housing base, encompasses an edge region of the sealing element.
• the seal for example a sealing web, lies in a groove on the sealing element introduced into the receptacle.
• the seal can have an L-shape in cross section.
• the seal can protrude from an inner wall that runs in the cable lead-through direction and thus form a stop for the sealing element to be inserted into the associated receptacle.
• the receptacles provided in the interior of the housing by means of the dividing component can be conical.
• the recordings can taper or decrease in the direction of the bottom of the lead-through housing.
• they can have a conical outer shape.
• the configurations described above in connection with the cable bushing can be provided accordingly in connection with the arrangement.
• the distal threaded section of the screw-in and locking component of the cable bushing is screwed to an internal thread in the region of the opening of the separating element and / or a fastening component in order to form the screw connection.
• the distal threaded portion of the screw-in and locking component can be screwed in for mounting.
• a fastening component is screwed onto the distal threaded section for fastening the cable bushing in the region of the opening of the separating element, for example a partition, after the distal threaded section has been inserted through the opening of the separating element.
• the bushing housing is then screwed onto the separating element, a wall of the partitioning element being clamped between the fastening component and the bushing housing by means of screwing.
• the fastening component can be, for example, a lock nut or a union nut.
• FIG. 1 shows a schematic perspective illustration of an arrangement for a cable leadthrough for leading cables through a separating element in the non-assembled state
• Figure 2 is a sectional view of the arrangement for passing cables through a separating element in the assembled state.
• FIG. 3 shows schematic perspective representations of a cable bushing in the assembled state
• FIG. 4 shows schematic representations of the arrangement from FIG. 3 from the rear and from behind; 5 shows schematic perspective representations of another arrangement for a cable bushing from obliquely from and obliquely from behind and
• FIG. 6 shows schematic perspective representations of the other arrangement for a cable bushing from FIG. 5 from the front and in section.
• FIG. 1 shows a schematic perspective illustration of an arrangement for a cable feedthrough for passing cables (not shown) through a separating element 1, which can be, for example, a separating wall or a housing wall, for example a housing wall of a control cabinet or an electrical or electronic device.
• a bushing housing 2, a dividing component 3, sealing elements 4 and a screw-in and locking component 5 are provided for the cable bushing.
• a fastening component 6 is shown in FIG. 1, which is provided in the embodiment shown in order to secure the cable feedthrough on the separating element 1 by forming a screw connection between the fastening component 6 and the screw-in and locking component 5 (cf. Fig. 2).
• the bushing housing 2 has a housing interior 7, which is delimited by a side housing wall 8 and a housing base 9.
• a base opening 10 is formed which, in the exemplary embodiment shown, is designed to largely grasp the housing base 9 and is used to lead the cables (not shown) through it.
• a seal 9a is arranged around the bottom opening 10.
• the seal 9a is formed with a web (sealing web).
• the seal 9a is integrally formed on the lead-through housing 2, for example by means of two-component injection molding. Alternatively, it can be provided that the seal 9a is arranged in a detachable manner on the lead-through housing 2, for example as a removable sealing ring or tire. In the installed state (cf. FIGS.
• the seal 9a lies against them and thus seals them laterally along a section adjacent to the lead-through housing 2.
• the seal 9a is in sealing contact with a rear surface 4a of the sealing elements 4 (cf. in particular FIG. 2). It can be provided that the seal 9a encompasses an edge region of the sealing element 4. Alternatively or additionally, it can be provided that the seal 9a lies in a groove 4b on the sealing element 4.
• the bushing housing 2 also has an internal thread 11.
• a circumferential seal 13 is provided on the lead-through housing 2 in the region of an end surface 12.
• the dividing component 3 has intersecting dividing walls 14, so that receptacles 15 are provided, into which, when the dividing component 3 is arranged in the housing interior 7 of the lead-through housing 2, the sealing elements 4 can be inserted (cf. FIG. 2).
• outer or edge portions 16 of the partition walls 14 are arranged in associated guides 17 in the interior 7 of the housing.
• the dividing component 3 can be arranged in a self-retaining manner in the housing interior 7, for example self-clamping.
• a surface-side seal made of an elastic material can be provided in the area of the edge-side sections 16.
• the sealing elements 4 have a separating cut 18 in the longitudinal direction, through which a cable can be introduced in the passage 19 of the respective sealing element 4.
• the sealing elements 4 have a plurality of sealing lips 20 all around. Comparably, 19 inner sealing lips 21 are provided in the passage.
• the screw-in and locking component 5 has a proximal threaded section 22 and a distal threaded section 23, which in the embodiment shown are arranged on component sections with different diameters.
• the screw-in and locking component 5 is constructed in several parts with two component halves 24, 25, which can be detachably connected to one another by means of projections 26 and associated recesses 27, in order then to insert the proximal thread section 22 into the internal thread 11 of the lead-through housing 2, so that the dividing component 3 and the sealing elements 4 are secured, in particular clamped, in such a way that an end surface of the screw-in and locking component 5 facing them comes into contact with the dividing component 3 and sealing elements 4.
• the distal threaded section 23 can then be partially passed through the opening 28 in order to unscrew the fastening component 6.
• a cable bushing is shown in section in Fig. 2.
• an internal thread is formed along the peripheral edge 29 of the opening 28, into which the distal threaded section 23 is screwed.
• FIGS. 1 and 2 show schematic representations of an arrangement in which the cable bushing is assembled without being mounted on the separating element 1. 3 and 4, the same reference numerals as in FIGS. 1 and 2 are used for the same features.
• FIGS. 5 and 6 show schematic representations of another arrangement for a cable bushing.
• the same reference numerals are used in FIGS. 5 and 6 as in the embodiment in FIGS. 1 to 4.
• Sealing elements 4 are inserted into assigned receptacles 15, which are provided in the lead-through housing 2 by means of the dividing component 3.
• openings 30 are provided on the lead-through housing 2, into which screwing means (not shown) can be inserted, in order to not simplify the illustration of the lead-through housing 2 to fix the partition or housing wall shown, such that the circumferential seal 13 seals the housing interior 7.
• the seal 9a is arranged on the bushing housing 2. When arranged in an inserted end position, the sealing elements 4 come to abut against it, so that a sealing effect is formed all around the circumference of the bottom opening 10.
• the seal 9a with a projecting section 9b lies in an assigned groove 4a on the sealing element 4.
• the seal 9a has an L-shape in cross section, comparable to the example in FIG. 2, which is optional .

Landscapes

• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Installation Of Indoor Wiring (AREA)
• Cable Accessories (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=69467285

Family Applications (1)

Country Status (6)

Families Citing this family (1)

Family Cites Families (11)

• 2019
  • 2019-01-23 DE DE202019100362.6U patent/DE202019100362U1/de active Active
• 2020
  • 2020-01-22 CN CN202080010039.5A patent/CN113330654B/zh active Active
  • 2020-01-22 EP EP20703380.4A patent/EP3915176A1/de active Pending
  • 2020-01-22 US US17/423,721 patent/US11901719B2/en active Active
  • 2020-01-22 WO PCT/DE2020/100038 patent/WO2020151785A1/de unknown
  • 2020-01-22 JP JP2021543176A patent/JP7240510B2/ja active Active

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