JP2509658Y2 - Cable cover for electrical connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a cable cover for an electrical connector,
More specifically, the present invention relates to a cable cover in which a screw hole base for inserting a screw for fixing fitting of upper and lower cover members constituting the cable cover is provided therein.

(Prior Art) Conventionally, for example, in order to cover a wire which is connected to an electric connector and exposed therefrom, a cable cover 1 shown in FIG.
Is used. Usually, this type of cover 1 is given a shield property, and is also called a shield cover. The cover 1 is composed of a pair of upper and lower cover members 2 and 3. On one side of the upper and lower cover members 2 and 3, a connector (not shown, see FIG. 1) coupling opening 4, and on the other side, a cable (not shown, see FIG. 1) introduction opening 5 is provided. Each is provided. There are screw holes 6 on both sides inside the upper and lower cover members 2 and 3 and on both sides in the vicinity of the opening 5, and the pair of screw hole bases 7 (7A
(See the figure).

The upper and lower cover members 2 and 3 are fitted with the upper and lower cover members 2 and 3 with a part of the connector to which the wire 9 is connected facing the opening 4, and the screw holes 6 are inserted from the upper cover member 2 side.
The screw 8 is screwed into the spiral groove of and tightened to fix the fitting.

At this time, as shown in FIG. 7B, the upper and lower cover members 2, 3
Although it is necessary to prevent the wire 9 from being sandwiched between the screw hole bases 7 facing each other, the wire 9 may be sandwiched as shown in FIG. 7C. If the wire 9 is relatively thin, it is not possible to confirm that the wire 9 is sandwiched in such a manner when the cover is tightened and after the cover is tightened. If the wire 9 is sandwiched in such a manner, an unexpected accident may occur due to the wire being cut or short-circuited.

It is an object of the present invention to provide a cable cover that can prevent the accident by adding a structure for detecting the presence / absence of pinching of the wire to the screw hole base.

(Means for Solving the Problem) The present invention for solving the above problem comprises a pair of upper and lower cover members, and inserts a screw for fixing the fitting of the upper and lower cover members inside the upper and lower cover members. For this purpose, a cable cover for an electric connector provided with a pair of first and second screw hole bases facing each other in the vertical direction is assumed.

According to this invention, a fitting portion for guiding fitting of the upper and lower cover members is provided on outer peripheral wall portions of the upper and lower cover members, which are opposed to each other in the vertical direction, and at least the tip portion of the first screw hole base has the above-mentioned structure in the precondition. The hole diameter of the tip portion of the first screw hole base is formed to be larger than the outer diameter of the tip portion of the second screw hole base so that at least the tip portion of the second screw hole base is fitted.

(Operation) According to the cable cover of the present invention having the above-mentioned configuration, when the pair of upper and lower cover members that form the cover are fitted together, first, the fitting portions provided on the outer peripheral wall portions of the upper and lower covers are fitted together. Then, while being guided by the fitting portion, the pair of first and second screw hole bases facing each other vertically are fitted together. At this time, when the wire for connecting to the connector is sandwiched between the first and second screw hole bases which are vertically opposed to each other, the second screw hole base cannot be fitted into the first screw hole base. . Therefore, the upper and lower cover members cannot be fitted completely, and the upper cover member is lifted, so that the operator can easily visually recognize it.

(Embodiment) An embodiment according to the present invention will be described below with reference to the drawings.

As shown in FIGS. 1 and 2A, the cable cover (shield cover) 10 is composed of a pair of upper and lower cover members 11 and 12 having the same shape. An opening 14 for coupling with the connector 13 is provided on one side of the upper and lower cover members 11, 12, and an introduction opening 16 for the cable 15 is provided on the other side. Screw holes 17 are provided on both inner sides of the upper and lower cover members 11 and 12 and on both sides in the vicinity of the opening 16, and each pair of screw hole bases 18a and 18b facing each other vertically.
Is provided. The screw hole 17 of the screw hole base 18a penetrates the upper cover member 11 or the lower cover member 12 in which the screw hole base is located without having a spiral groove on the inner peripheral surface thereof, and the screw hole base 18b is It has a spiral groove 19 on the inner peripheral surface and does not penetrate the upper cover member 11 or the lower cover member 12 in which the screw hole base is located. A large diameter portion 20 into which the tip of the screw hole base 18b is fitted is provided at the tip of the screw hole base 18a. By providing the notch fitting portions 21 and 22 at required positions of the upper and lower wall portions of the upper and lower cover members 11 and 12, the fitting of the upper and lower cover members 11 and 12 is guided, and the fitting is easy and reliable. It is configured to combine.

While fitting the upper and lower cover members 11 and 12 with a part of the connector 13 to which the wire 15 ′ in the cable 15 is connected facing the coupling opening 14 of the upper and lower cover members 11 and 12,
The tip end of the screw hole base 18b is fitted into the large diameter hole 20 of the screw hole base 18a, and the screw 23 is screwed into the spiral groove 19 of each screw hole 17 from the screw hole base 18a side and tightened to fix the fitting.

At this time, as shown in FIG. 2B, unless the wire 15 'is sandwiched between the pair of vertically opposed screw hole bases 18a, 18b, the large diameter portion 20 of the screw hole base 18a is provided with the screw hole base 18b. And the upper and lower cover members 11 and 12 can be completely fitted. However, as shown in Figure 2C,
If the wire 15 'is sandwiched between the pair of vertically facing screw hole bases 18a, 18b, the screw hole base 18b cannot be fitted into the large diameter portion 20 of the screw hole base 18a, so the upper and lower cover members The upper cover member 11 is lifted because the 11, 12 cannot be fitted completely. Therefore, the operator can easily visually recognize this.

3 to 5 show another embodiment of the present invention. The cover 30 of this embodiment is provided with a pair of screw hole bases 38a, 38b vertically facing each other at predetermined positions of the upper and lower cover members 31, 32 constituting the cover 30. Screw hole base 38a
The screw hole 37 has no spiral groove on its inner peripheral surface and penetrates the upper cover member 31 or the lower cover member 32 where the screw hole base is located, and the screw hole base 38b is formed on the inner peripheral surface thereof. Spiral groove 3
9 and does not penetrate through the upper cover member 31 or the lower cover member 32 in which the screw hole base is located. The screw hole 37 of the screw hole base 38a is formed to have a diameter such that the tip of the screw hole base 38b is fitted therein. By providing a fitting step portion 41 at a required position of the vertically facing wall portions of the upper and lower cover members 31, 32, the fitting of the upper and lower cover members 31, 32 can be guided, and the fitting can be performed easily and reliably. You can do it. Incidentally, FIG.
As is apparent from the above, the fitting length of the fitting step portion 41 is longer than the fitting length of the screw hole bases 38a, 38b, and after the fitting step portion 41 is fitted, the screw hole base is deepened as the fitting is deepened. 38a and 38b are adapted to fit together. The side wall 42, which is formed thin to provide the fitting step portion 41, has a diameter between the tip of the side wall and the ceiling surface or the bottom surface 43 of at least the wire diameter when the upper and lower cover members 31, 32 are completely fitted. Also, a large space S is created. The other structure is the same as that of the first embodiment shown in FIG. 1, and reference numeral 44 indicates a screw.

The screw hole bases 38a, 38b in this embodiment correspond to the screw hole bases 18a, 18b in the above embodiment. Therefore, in this embodiment as well, the wire has a screw hole base.
It can be easily visually recognized whether or not it is sandwiched between 38a and 38b.

It should be noted that the cover 10 shown in FIG. 1 is provided with the discontinuous fitting portions 21 and 22, and the cover 30 shown in FIGS. 3 to 5 is provided with the fitting step portion 41. When the wire crosses the fitting portion and is sandwiched between them, it can be visually recognized in the same manner as described above. Also, cover 30
Then, when the upper and lower cover members 31 and 32 are completely fitted, the space S is generated, so that the wire can be prevented from being caught between the tip of the side wall 42 and the ceiling surface or the bottom surface 43. .

(Effect of the Invention) With the cable cover according to the present invention having the above configuration and operation, it is possible to visually detect whether or not the wire is caught between the first and second screw hole bases. It is possible to prevent unexpected accidents due to wire cutting or short circuit.

[Brief description of drawings]

FIG. 1 is a perspective view in which a part of a cable cover of an embodiment according to the present invention is cut away. FIG. 2A is a cross-sectional view of a state in which one of a pair of screw hole bases facing each other in the vertical direction of the cover is not fitted into the other. FIG. 2B is a sectional view showing a state in which the wire is not sandwiched between the pair of screw hole bases and the other is fitted into one of them. FIG. 2C is a cross-sectional view showing a state where a wire is sandwiched between the pair of screw hole bases and one of them is not fitted in the other. FIG. 3 is a perspective view of a cable cover showing another embodiment. FIG. 4 is a sectional view of the cover shown in FIG. 3 in a non-fitted state. FIG. 5 is a sectional view of the cover shown in FIG. 3 in a fitted state. FIG. 6 is a perspective view in which a part of a cable cover of a known example is cut away. FIG. 7A is a cross-sectional view of one of a pair of screw hole bases facing each other in the vertical direction of the cover shown in FIG. FIG. 7B is a sectional view showing a state in which the wire is not sandwiched between the pair of screw hole bases shown in FIG. FIG. 7C is a cross-sectional view showing a state in which the wire is sandwiched between the pair of screw hole bases shown in FIG. 10,30 …… Cable cover 11,31 …… Upper cover member 12,32 …… Lower cover member 18a, 38a …… First screw hole base 18b, 38b …… Second screw hole base

Claims (3)

(57) [Scope of utility model registration request] 1. A pair of upper and lower cover members, a fitting portion formed on outer peripheral wall portions of the upper and lower cover members facing each other in the vertical direction, and a fitting portion for guiding fitting of the upper and lower cover members, and fitting of the upper and lower cover members. A pair of first and second screw hole bases that are vertically opposed to each other and are provided inside the cover member for inserting a screw that fixes the first screw hole base, Electricity characterized in that the hole diameter of the tip portion of the first screw hole base is formed larger than the outer diameter of the tip portion of the second screw hole base so that at least the tip portion of the two screw hole base is fitted. Cable cover for connector. 2. A fitting portion provided on an outer peripheral wall portion of the upper and lower cover members is fitted, and the first and second screw hole bases are fitted by being guided by the fitting. The cable cover for an electrical connector according to claim 1, wherein the fitting length of the outer peripheral wall portion is longer than the fitting lengths of the first and second screw hole bases. 3. When the upper and lower cover members are fitted to each other, inside the upper and lower cover members, among the mutually fitting side walls formed on the outer peripheral wall portion of the upper and lower covers to provide the fitting portion. The electrical connector according to claim 1 or 2, wherein a space having a size at least larger than a wire diameter is provided between the tip of the side wall located and the inner ceiling surface or the inner bottom surface of the upper and lower cover members. Cable cover.