JP3785655B2 - Cover structure for electrical components - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cover structure for electrical components, and more particularly to a technique for covering an external vehicle-mounted relay such as an engine room.
[0002]
[Prior art]
Conventionally, a rubber boot-shaped cover member 3 ′ for covering an external vehicle-mounted relay such as an engine room has been used. For example, as shown in FIG. 4A, the cover member 3 'is integrally formed with a skirt portion 5' having a square cylindrical shape when viewed from below at the lower portion of the head 4 covering the relay, and is connected to the relay. In general, the coupler is covered with a skirt portion 5 '.
[0003]
As another conventional example, as shown in FIGS. 4B to 4D, the front surface 5a of the skirt portion 5 ″ of the cover member 3 ″ projects below the lower ends of both sides 5c of the skirt portion 5 ″. By turning the knob 7 'downward after connection of the relay 1 and the coupler 2, the facing portion from the back surface 5d facing the knob 7' to both sides 5c is turned downward. In the figure, 20 is a locking piece provided on the coupler 2 side and locked on the relay 1 side, 21 is a connecting wire, and 6 is an external attachment formed on the rubber boot head 4. It is a mounting part for.
[0004]
[Problems to be solved by the invention]
However, when the cover member 3 'of FIG. 4 (a) is formed of an inexpensive rubber material having no elastic force, the front surface 5a of the skirt portion 5' is turned up, and the skirt portion 5 'is connected after connecting the relay and the coupler. When the skirt portion 5 is lowered, a part of the skirt portion 5 'in the circumferential direction (the facing portion 50 extending from the back surface facing the front surface 5a to both sides 5c) may not come down.
[0005]
Further, even when the knob portion 7 'is provided on the front surface of the skirt portion 5 "of the cover member 3" as shown in FIGS. 4 (b) to 4 (d), when it is made of an inexpensive rubber material having no elasticity. Even if the knob portion 7 'is turned downward, the facing portion 50 from the back surface 5d facing the knob portion 7' to both sides 5c may not come down. In particular, when the dimension L on both sides 5c of the skirt portion 5 ″ is large, the elastic force of the rubber is further weakened, and the turning operation of the skirt portion 5 ″ is extremely troublesome for the user operator. If an expensive rubber material having elasticity is selected, the skirt portion 5 ″ can be lowered at a time, but there is a problem that the cost is increased because the rubber material is expensive.
[0006]
The present invention has been made in view of the above-described conventional problems, and the object of the present invention is to perform the work of turning the skirt portion of the cover member by a simple improvement of the skirt portion without using an expensive rubber material. It is to provide a cover structure for electrical components that can be performed with a single touch.
[0007]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the present invention integrally forms a skirt portion 5 having a rectangular tube shape when viewed from below covering the lower part of the electrical component, on the lower part of the rubber cover member 3 that covers the upper part of the electrical component. Then, the knob portion 7 is formed on the front surface 5a of the skirt portion 5, and the facing portion from the back surface 5d of the skirt portion 5 facing the knob portion 7 to both sides 5c is interlocked with the turning operation of the knob portion 7. In the cover structure of the electrical component that can be repeated, the width of the knob portion 7 is made smaller than the width of the front surface 5a of the skirt portion 5, and the lower end 7a of the knob portion 7 is made lower than the lower ends of both sides 5c of the skirt portion 5. Is also projected downward and extends straight from the both ends of the lower end 7a of the knob portion 7 to the substantially central portion of the lower ends of both sides 5c of the skirt portion 5 across the front corner portion 5b of the skirt portion 5. Shape and It is characterized in that the formed inclined edge 8 that. By configuring in this way, it is formed between the knob portion 7 and the substantially central portion of both sides 5c simply by lowering the knob portion 7 on the front surface 5a of the skirt portion 5 turned up after the electrical parts are connected. The inclined edge 8 is linear in the extended state, and a downward pulling force is applied to the facing portion from the back surface 5d facing the knob portion 7 to both sides 5c by the inclined edge 8, and the facing portion is further provided with a front surface. Since the turning force of the corner portion 5b is also applied, the entire circumference of the skirt portion 5 can be lowered at a time.
[0008]
Here, it is preferable to minimize than the width D ₂ between the front corner 5b, 5b of the skirt portion 5 the width D ₁ of the lower end 7a of the knob portion 7, in this case, the front corner portions 5b, reversal in 5b As the force increases, the inclined edge 8 can be surely extended in a straight line, and as a result, both sides 5c of the skirt portion 5 are surely pulled downward, from the back surface 5d facing the knob portion 7 to both sides 5c. It is possible to reliably lower the facing part.
[0009]
Further, it is preferable that one end 8a of the inclined edge 8 on both sides 5c side of the skirt portion 5 is arranged at a position shifted to the front surface 5a side from the center position of both sides 5c of the skirt portion 5, In this case, the straight line length in the extended state of the inclined edges 8 on both sides 5c is shortened, and the inclined edges 8 can be surely extended in a straight line, and accordingly, even when the front and rear widths of both sides 5c are large. A large pulling force can be applied to both sides 5c.
[0010]
Further, it is preferable that a backrest projection 9 at the lower part of the back surface 5d of the skirt part 5 is provided on the upper part of the back surface 5d of the skirt part 5 facing the knob part 7. In this case, In the state in which the lower part of the back surface 5d is turned up, the entire back surface 5d is not V-shaped but is U-shaped by the protrusions 9, so that it can be easily turned down. Further, since the folding position of the lower portion of the back surface 5d is determined by the protrusion 9, it is possible to prevent the back surface 5d of the skirt portion 5 from being turned up with an unnecessarily wide width.
[0011]
In addition, it is preferable that the back surface 9a of the protrusion 9 is formed in a tapered shape in which the protrusion width toward the back gradually increases toward the upper end. In this case, when the lower part of the back surface 5d of the skirt portion 5 is lowered. There is no fear that the lower portion of the back surface 5d is caught by the protrusion 9, and the skirt portion 5 is more smoothly turned downward.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below.
A cover member 3 for covering an external vehicle-mounted relay 1 (FIG. 4) such as an engine room is composed of a head 4 covering the relay 1 and a lower portion of the head 4 as shown in FIG. In addition, a rubber boot shape is integrally formed with a skirt portion 5 having a square cylindrical shape when viewed from below. It should be noted that the external mounting portion 6 is integrally formed with the rubber boot head 4 and that the coupler 2 (FIG. 4) is connected to the lower connection port of the relay 1 from below.
[0013]
Here, in order to improve the workability of the connection between the relay 1 and the coupler 2, a knob portion 7 is formed on the front surface 5 a of the skirt portion 5. The lower end 7a of the knob portion 7 projects downward from the lower ends of both sides 5c of the skirt portion 5, and the lateral width of the knob portion 7 is larger than the lateral width of the front surface 5a of the skirt portion 5 as shown in FIG. Is also a small dimension. At this time, it is preferable that the width D ₁ of the lower end 7 a of the knob portion 7 is made as small as possible (D ₁ << D ₂ ) as compared with the width D ₂ between the front corner portions 5 b and 5 b of the skirt portion 5. In addition, a slope that extends straight from the both ends of the lower end 7a of the knob portion 7 to the substantially central portion of the lower ends of both sides 5c of the skirt portion 5 across the front corner portion 5b of the skirt portion 5 is inclined. An edge 8 is formed. In the present embodiment, one end 8a of the inclined edge 8 on both sides 5c side of the skirt portion 5 is arranged at a position shifted to the front surface 5a side from the center position of both sides 5c of the skirt portion 5. Specifically, as shown in FIG. 1 (a), the longitudinal width of both sides 5c of the skirt portion 5 and E _2, the width of the one end 8a of the inclined edge 8 to the front corner portion 5b of the skirt portion 5 E _{When 1} , it is set so that E ₁ <1/2 E ₂ .
[0014]
Further, on the upper part of the back surface 5d of the skirt part 5 facing the knob part 7, as shown in FIGS. 1 (c) to 1 (e) and FIG. 2, a backrest projection 9 at the lower part of the back surface 5d of the skirt part 5 is provided. The rear surface 5d can be turned up into a U shape instead of a V shape by the projection 9. Further, in order to easily turn the lower portion of the back surface 5d downward, the back surface 9a of the protrusion 9 is formed in a taper shape in which the protruding width gradually increases toward the upper end.
[0015]
If the knob portion 7 is turned up before the relay 1 and the coupler 2 are connected, the knob portion 7 of the skirt portion 5 is interlocked with the turning operation of the knob portion 7 as shown in FIG. The facing part from the facing back surface 5d to both sides 5c is turned up. Then, when the knob portion 7 is lowered after the connection work, the inclined edge 8 formed between the knob portion 7 and the substantially central portion of both sides 5c as shown in FIG. Therefore, a downward pulling force by the inclined edge 8 is applied to the facing portion from the back surface 5d facing the knob portion 7 to both sides 5c, and the reversing force of the front corner portion 5b is also applied to the facing portion. Join. Moreover, since the width D ₁ of the lower end 7a of the knob portion 7 was as small than the width D ₂ between the front corner 5b, 5b of the skirt portion 5, the inclined increases the inversion force of the front corner portion 5b, 5b edges 8 can be surely extended in a straight line, and as a result, both sides 5c of the skirt portion 5 are surely pulled downward, and the facing portion from the back surface 5d facing the knob portion 7 to both sides 5c is reliably lowered. be able to. Further, one end 8a of the inclined edge 8 on both sides 5c side of the skirt portion 5 is arranged at a position ( E ₁ <1/2 E ₂ ) shifted to the front surface 5a side from the center position of both sides 5c of the skirt portion 5. As a result, the straight line length in the extended state of the inclined edges 8 on both sides 5c is shortened, and the inclined edges 8 can be surely extended in a straight line, and accordingly the front and rear widths of both sides 5c are large. Even in this case, a large pulling force can be applied to both sides 5c.
[0016]
In addition, since a backrest projection 9 at the lower part of the back surface 5d of the skirt part 5 protrudes from the upper part of the back surface 5d of the skirt part 5, when the lower part of the back surface 5d is turned up, FIG. 1 (e) Thus, since the entire back surface 5d is not V-shaped but U-shaped by the projection 9, it is easy to be turned downward, and the folding position of the lower portion of the back surface 5d is determined by the projection 9, and the back surface of the skirt portion 5 is It is possible to prevent 5d from being turned up with an unnecessarily wide width, and as a result, it is easy to turn it downward. Moreover, the back surface 9a of the protrusion 9 has a tapered shape in which the protrusion width toward the back gradually increases toward the upper end, so there is no fear that the lower surface of the back surface 5d is caught by the protrusion 9 when the lower surface of the back surface 5d is lowered. Turns back and forth more smoothly.
[0017]
As a result, the entire circumference of the skirt portion 5 can be lowered at one touch at a time, which makes it easy for the user operator to lower the skirt portion 5 and eliminates the need to select an expensive rubber material having elasticity. There is an advantage that the cost can be reduced.
In addition, as shown in FIG. 3, you may make it provide the relief recess 10 smoothly curved so that it may protrude upwards in the lower surface 5d lower part of the skirt part 5. As shown in FIG. In this case, when the lateral width between the rear corner portions 5e and 5e of the skirt portion 5 is H, the curvature of the relief recess 10 is R, and the height is I, the relationship of R = 0.7H and I = 0.2H. It is preferable to set so that the relief recesses 10 are smoothly rounded at both ends, so that the downward turning of the back surface 5d of the skirt portion 5 is further facilitated.
[0018]
The rubber boot-shaped cover member 3 of the present embodiment is not limited to a vehicle-mounted relay externally attached to an engine room or the like, and can be widely applied to all electrical components.
[0019]
【The invention's effect】
As described above, the invention according to claim 1 of the present invention is a skirt having a rectangular tube shape as viewed from the lower side covering the lower part of the electrical component on the lower part of the rubber cover member covering the upper part of the electrical component. The part is formed integrally, and the knob part is formed on the front surface of the skirt part, and the facing part from the back of the skirt part facing the knob part to both sides can be turned over in conjunction with the turning operation of the knob part. In the cover structure of the electrical component, the width of the knob portion is smaller than the width of the front surface of the skirt portion, the lower end of the knob portion protrudes below the lower ends of both sides of the skirt portion, and the knob portion Since the sloped edges that are straight in the extended state are formed in the part that extends from both ends of the lower end to the front corner of the skirt, and to the substantially central part of the lower end of both sides of the skirt, When the knob part is lowered after connection with the cable, the inclined edge formed between the knob part and the substantially central part of both sides becomes a straight line in the extended state. A downward pulling force is applied to the facing part, and the reversing force of the front corner part is also applied to the facing part, so that the entire circumference of the skirt part can be turned downward at a time. It becomes easy for the work. Therefore, it is not necessary to select an expensive rubber material having elasticity, and the cost can be reduced.
[0020]
Further, in the invention according to claim 2, since the lateral width of the lower end of the knob portion according to claim 1 is made as small as possible than the lateral width between the front corner portions of the skirt portion, in addition to the effect of the first aspect, the front corner portion The reversal force at the end increases and the inclined edge can be surely extended in a straight line, and as a result, both sides of the skirt part are reliably pulled downward, so that the facing part from the back facing the knob part to both sides Can be lowered reliably.
[0021]
Further, the invention according to claim 3 is because one end of the inclined edge on both sides of the skirt portion according to claim 1 is arranged at a position shifted to the front side from the center position of both sides of the skirt portion. In addition to the effect described in 1 above, the straight line length in the extended state of the inclined edges on both sides is shortened, and the inclined edges can be surely extended in a straight line, and accordingly the front and rear widths on both sides are large. But you can put a big pull on both sides.
[0022]
In the invention according to claim 4, since the projection for the backrest of the lower back portion of the skirt portion protrudes from the upper back portion of the skirt portion facing the knob portion according to claim 1, the effect of claim 1 is achieved. In addition, when the lower back of the skirt is turned up, the entire back is not V-shaped but U-shaped by the protrusions. The position is determined, and it is possible to prevent the back surface of the skirt portion from being turned up with an unnecessarily wide width, and as a result, it is easier to turn it downward.
[0023]
In the invention according to claim 5, the back surface of the protrusion according to claim 4 is formed in a tapered shape in which the protrusion width toward the back gradually increases toward the upper end. In addition to the effect of claim 4, the skirt When lowering the lower part of the back of the part, there is no concern that the lower part of the back is caught by the protrusion, and the turn-up of the skirt part downward is smoother.
[Brief description of the drawings]
1A and 1B show an example of an embodiment of the present invention, in which FIG. 1A is a perspective view of a cover member, FIG. 1B is a front view of the vicinity of a knob portion, and FIG. d) is a perspective view of a state in which the skirt portion is turned up, and (e) is a side view illustrating a state in which the back surface of the skirt portion is turned up.
2A is a plan view of the same cover member, FIG. 2B is a side sectional view, and FIG. 2C is a bottom view;
FIGS. 3A and 3B are a perspective view and a front view showing another embodiment of the present invention. FIGS.
4A is a perspective view of a conventional example, FIGS. 4B to 4D are other conventional examples, FIG. 4B is a perspective view of a relay housing state, and FIG. 4C is a coupler connection operation; The exploded perspective view to explain, (d) is a perspective view of the state which turned over the skirt part below.
[Explanation of symbols]
3 Cover member 5 Skirt portion 5a Front surface 5b Front corner portion 5c Both sides 5d Rear surface 7 Knob portion 7a Lower end 8 Inclined edge 9 Projection

Claims (5)

A skirt portion having a rectangular tube shape as viewed from below covering the lower part of the electrical component is integrally formed at the lower part of the rubber cover member covering the upper part of the electrical component, and a knob is formed on the front surface of the skirt part. In the electrical component cover structure that allows the facing part from the back to both sides of the skirt part facing the knob part to be turned over in conjunction with the turning operation of the knob part, the width of the knob part is the width of the front part of the skirt part. The lower end of the knob part protrudes below the lower end of both sides of the skirt part, and both sides of the skirt part straddle the front corner part of the skirt part from both ends of the lower part of the knob part. A cover structure for an electrical component, wherein an inclined edge that is linear in a spread state is formed in a portion that reaches the substantially central portion of the lower end of the electrical component. 2. The cover structure for an electrical component according to claim 1, wherein the lateral width of the lower end of the knob portion is made as small as possible than the lateral width between the front corner portions of the skirt portion. The cover structure for an electrical component according to claim 1, wherein one end of the inclined edge on both sides of the skirt portion is arranged at a position shifted to the front side from the center position on both sides of the skirt portion. 2. The cover structure for an electrical component according to claim 1, wherein a projection for backrest of a lower back portion of the skirt portion is provided on an upper back portion of the skirt portion facing the knob portion. 5. The cover structure for an electrical component according to claim 4, wherein the protrusion has a tapered shape in which the protrusion width toward the rear gradually increases as the rear surface of the protrusion goes to the upper end.

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