Strain relief for a cable harness

Abstract

The invention relates to a strain relief for a cable harness, which is used to connect a part to electrical and/or electronic components, wherein the cable harness has at least two wires and wherein a stop component, is provided, which is made of plastic and tightly encloses the wires such that the stop component (20) is fixed immovably on the wires. The invention also relates to a part with a housing, a cable harness, which is guided into the housing, and a strain relief according to one of the preceding claims, wherein the housing has a receiver for the stop component, in which the latter is received in a positively-locking manner in at least one tensile direction.

Claims

1. A part of a spindle drive comprising a housing, a cable harness, which is guided into the housing, and a strain relief for the cable harness, which is used to connect the part to electrical and/or electronic components, wherein the cable harness has at least two wires and wherein a stop component is provided, which is made of plastic and tightly encloses the wires such that the stop component is fixed immovably on the wires, wherein the stop component is made of a hot-melt adhesive, and wherein the housing has a receiver for the stop component, in which the stop component is received in a positive-locking manner in at least one tensile direction.

2. The part according to claim 1, wherein the receiver has a cross-sectional surface area that decreases from an inside to an outside of the housing.

3. The part according to claim 2, wherein the receiver is conical.

4. The part according to claim 1, wherein the receiver has a latching recess into which a detent lug of the stop component can engage.

5. The part according to claim 1, wherein the stop component encloses all wires of the cable harness.

6. The part according to claim 1, wherein the stop component is an injection-molded part being injection-molded onto the cable harness.

7. The part according to claim 1, wherein the stop component has a detent lug.

8. The part according to claim 1, wherein the stop component has a conical outer surface that tapers evenly with a taper angle of 10° to 20°.

9. A strain relief for a cable harness, which is used to connect a part to electrical and/or electronic components, wherein the cable harness has at least two wires and wherein a stop component is provided, which is made of plastic and tightly encloses the wires such that the stop component is fixed immovably on the wires, wherein the stop component is made of a hot-melt adhesive, and wherein the stop component has a conical outer surface that tapers evenly with a taper angle of 10° to 20°.

10. The strain relief according to claim 9, wherein the stop component is an injection-molded part being injection-molded onto the cable harness.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) The invention is described below with reference to an embodiment, which is represented in the attached drawings. There are shown in:

(2) FIG. 1 a top view of a cable harness with stop component and housing;

(3) FIG. 2 a side view of the parts of FIG. 1;

(4) FIG. 3 a cross section through the housing in a state in which the stop component seals the receiver in the housing; and

(5) FIG. 4 a perspective view of the housing.

DETAILED DESCRIPTION OF THE INVENTION

(6) A cable harness 10 can be seen in FIGS. 1 to 3, which has two wires 12 in the example shown by means of which an electric motor, not shown here, can be supplied with electrical energy, as well as several wires 14 via which control and/or sensor signals can be transmitted.

(7) In the fully assembled state the electric motor is arranged in a housing of which only a housing cover 16 can be seen here. The housing cover 16 is used among other things to feed the cable harness 10 through from the inside of the housing to the outside.

(8) Specifically, the cable harness 10 is guided through a receiver 18, which, viewed in a cross section perpendicular to the feedthrough direction, has the shape of an elongated hole. When viewed along the feedthrough direction, the receiver 18 has a cross-sectional surface area which decreases from inside to outside. This can be seen in FIG. 3; the cross-sectional surface area is smaller on the right-hand side of the receiver 18 than on the left-hand side.

(9) The cross-sectional surface area of the receiver 18 decreases evenly, with the result that a conical shape is formed as a whole.

(10) A stop component 20, which is provided to cooperate with the receiver 18, is arranged on the cable harness 10. Accordingly, the stop component 20 has a conical outer shape (see FIGS. 1 and 2 in particular) which is adapted to the contour of the receiver 18 such that the stop component 20 can be tightly received in the receiver 18 (see FIG. 3 in particular). The receiver 18 can have a latching recess 22, in which a detent lug 21 provided on the stop component 20 can engage.

(11) The taper angle α of the stop component 20 is preferably in the range of from 10° to 20°.

(12) The stop component 20 is an injection-moulded part which encloses all wires of the cable harness 10. In other words: the stop component 20 has a circumferential outer contour within which all wires 12, 14 lie.

(13) A hot-melt adhesive which has a very good adherence to the wires 12, 14 is particularly suitable as material for the stop component 20. It is hereby possible, without further measures, to achieve a retention force in the axial direction which lies significantly above 50 N even in test conditions with increased temperature (for example 45° C.) over a period of 30 seconds.

(14) The stop component 20 thereby ensures that in the case of a pre-assembled cable harness the housing cover 16 cannot exert any forces on for example a control board which is mounted on the cable harness 10.