JPH10172633A - Terminal protection cover - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To easily and surely mount a plate-shaped terminal. SOLUTION: A terminal holding plate 4 is provided facing a substrate portion 2, a terminal insertion gap 5 is formed between the terminal holding plate and the substrate portion, and a terminal mounting wall 9 is formed in a direction orthogonal to the terminal holding plate. Then, the bent plate-shaped terminal 6 is inserted into the gap 5 and rotated toward the terminal mounting wall. A frame 3 including a terminal mounting wall 9 is protruded from the substrate section 2, and a terminal pressing plate 4 is located in the frame. The terminal locking part 7 was provided on the substrate part 2. A terminal locking portion may be provided on the terminal mounting wall 9. A flexible convex portion for pressing the terminal was formed on the terminal pressing plate 4. An inclined guide wall for guiding the terminal in the rotation direction may be provided on the substrate portion 2 between the terminal holding plate and the terminal mounting wall.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal protection cover to which a plate-like terminal can be easily and securely mounted.

[0002]

2. Description of the Related Art FIGS. 6 and 7 show a conventional terminal protection cover. This structure is similar to that of JP-A-6-310198. The terminal protection cover 42 includes a main cover 43 and a sub cover 44 as shown in FIG.
The main cover 43 is provided with a pair of locking portions 45 for the sub cover 44, and the sub cover 44 is provided with a pair of engaging portions 46 for the locking portion 45 and an insertion hole 48 for the terminal 47. Have been.

The terminal 47 has a male tab-like contact portion 50 which is bent at a right angle from the middle of the substrate portion 49.
An automotive plate terminal (LA terminal) or the like is applied. The contact portion 50 is inserted into the insertion hole 48 of the sub cover 44, and is attached to the main cover 43 together with the sub cover 44 while being locked by the locking pieces 17. Then, as shown in FIG. 7, the terminal protection cover 42 is attached to the electric connection box 18 on the vehicle side in a state where the electric wires 51 are fixed to the lower portion of the main cover 43 with the tape 52. The contact portion 50 is fixedly connected to the bolt terminal 41 with a nut.

[0004]

However, in the above conventional structure, the main cover 43 and the sub cover 4 are not provided.
4, the terminal protection cover 4
There is a problem that the assembling work of No. 2 becomes complicated by two steps, and the cost of parts also increases.

SUMMARY OF THE INVENTION In view of the foregoing, it is an object of the present invention to provide an inexpensive terminal protection cover which can easily, quickly and reliably assemble terminals, and has a simple structure.

[0006]

In order to achieve the above object, according to the present invention, a terminal holding plate is provided so as to face a substrate portion, and a terminal is inserted between the terminal holding plate and the substrate portion. A gap is formed, a terminal mounting wall is arranged in a direction orthogonal to the terminal holding plate, and a plate-shaped terminal bent at a right angle is inserted into the terminal insertion gap, and rotated toward the terminal mounting wall. Basically, the structure is to be assembled. A structure is also possible in which a frame is protruded from the substrate, the terminal mounting wall is formed on the frame, and the terminal pressing plate is provided inside the frame. Further, the substrate portion is provided with a locking portion for a rear portion of the terminal, and the terminal is held between the terminal mounting wall and the locking portion, or the terminal mounting wall, A structure in which a locking portion for the terminal is provided is also effective. Further, a flexible convex portion is formed on the terminal holding plate, and a structure in which the terminal is pressed in the direction of the substrate by the convex portion, or between the terminal holding plate and the terminal mounting wall. A structure in which an inclined guide wall for guiding the terminal in the rotation direction is formed on the substrate portion is also effective.

[0007]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 to 3 show an embodiment of a terminal protection cover according to the present invention.

As shown in FIG. 1, the terminal protection cover 1 is provided with a substantially U-shaped frame 3 on an upper portion of a substrate portion 2 and a terminal pressing plate 4 inside the frame portion 3. The terminal 6 (FIG. 2) can be inserted into a gap 5 between the terminal 2 and the terminal pressing plate 4, and a locking projection (locking portion) 7 is provided at an intermediate portion of the substrate 2.
Is provided. The substrate 2, frame 3, terminal pressing plate 4, and locking projection 7 are integrally formed of synthetic resin.

The frame 3 is formed so as to connect substantially triangular side walls (side guide walls) 8, 8 suspended from the vertical substrate section 2 with the ends of the side walls 8, 8. And a terminal mounting wall 9 coupled horizontally. A space 10 is formed inside the frame 3, and the terminal pressing plate 4 is located in the space 10. The distance between the side walls 8 is set to be slightly wider than the male tab-shaped contact portion 11 of the terminal 6. The terminal mounting wall 9 has a flat upper surface (terminal mounting surface) 9a in the horizontal direction.
have.

The terminal holding plate 4 is provided on both side walls 8 of the frame 3.
Between the inner walls of each side wall 8, 8 (guide surface)
Each end of the terminal holding plate 4 is fixed to 8a. The terminal holding plate 4 and the terminal mounting wall 9 are both provided on both side walls 8, 8 so that the side walls 8, 8 are shared and also serve as a terminal guide wall, whereby the configuration of the terminal protection cover 1 itself. Has been simplified. The terminal holding plate 4 is positioned in parallel with the substrate section 2 and in a direction orthogonal to the terminal mounting wall 9.

A central portion of the terminal pressing plate 4 protrudes toward the substrate portion 2, and a terminal insertion gap 5 is formed between the convex portion 4 a and the substrate portion 2. As shown in FIG. 2, the terminal holding plate 4 is disposed below the terminal mounting wall 9 and is located closer to the substrate portion 2 than the terminal mounting wall 9. The thickness of the terminal holding plate 4 may be made slightly thinner, and flexibility (elasticity) in the direction of the substrate 2 may be imparted at the central convex portion 4a.

The locking projection 7 is provided below the terminal pressing plate 4. The locking projection 7 has a downward vertical surface (locking surface) 7a. An electric wire fixing plate 12 extending from the substrate 2 is located below the locking projection 7.

As shown in FIG. 2 and FIG.
Is bent at a right angle to the back side of the terminal from the middle of
The engaging piece 17 unlike the conventional example (FIG. 6) is not provided on the male tab-shaped contact portion 11 at the distal end. On the front side of the terminal 6, an electric wire crimping part (post-stage part) 1 is attached to the base end of the terminal board part 13.
4 is formed to project, and the electric wire 15 is connected to the crimping portion 14.

The terminal 6 is inserted into the gap 5 between the substrate 2 and the terminal holding plate 4 with the contact portion 11 standing up as shown by a chain line in FIG. Then, by rotating the terminal holding plate 4 as a fulcrum as shown by an arrow a, the contact portion 11 is placed in contact with the terminal placing wall 9 of the frame 3 and at the same time, the front end 1 of the crimping portion 14 is placed.
4 a is abutted and locked on the locking surface 7 a of the locking projection 7. As a result, the terminal 6 is held between the terminal mounting wall 9 and the locking projection 7 in a vertical and immovable manner without play.

The substrate 13 of the terminal 6 is connected to the terminal holding plate 4.
, And is pressed toward the substrate 2 of the cover 1 by the terminal holding plate 4. As a result, the terminals 6 are fixed immovably in the front-rear direction, that is, in the thickness direction of the substrate unit 2. Therefore, the terminal 6 is securely fixed to the terminal protection cover 1 without play. If the terminal holding plate 4 is made flexible (springy), the terminals 6 are pressed against the substrate portion 2 by spring force, and the terminals 6 are more securely fixed. Finally, as shown in FIG.
5 is fixedly wound around the fixing plate 12 with a tape 16, and the terminal protection cover 1 is assembled to the electric connection box 18 as in the related art (FIG. 7).

In the present embodiment, the terminal 6 does not require the conventional locking piece (17 in FIG. 7), and the detachment of the terminal 6 from the terminal protection cover 1 requires time and effort to release the locking piece 17 one by one. Absent. That is, by rotating the terminal 6 locked in FIG. 2 in the direction opposite to the arrow A, the locking of the terminal 6 can be easily released, and the removal is extremely easy.

FIGS. 4 and 5 show a second embodiment of the terminal protection cover according to the present invention. This terminal protection cover 2
Reference numeral 1 denotes both side walls (guide walls) on the substrate portion 22 as in the previous example.
A first frame 25 including a terminal mounting wall 24 supported via the first and second side walls 3 and 23;
Terminal holding plate 27 coupled to lower extension 26 of each of 3, 23
And The lower extension 26 and the terminal pressing plate 27 constitute a second frame 28.

The first frame 25 is formed in a substantially triangular shape, and has a vertical partition wall 29 facing the terminal pressing plate 27 and a horizontal terminal mounting wall 24 orthogonal to the partition wall 29. In this example, a pair of flexible terminal locking claws (locking portions) 30, 30 protrude from the upper surface (mounting surface) 24 a of the terminal mounting wall 24. The terminal locking claw 30 has an inward claw portion 32 at the tip of a column 31, and the claw portion 32 has a downward locking surface 32.
a, and an inclined guide surface 32 b which is sequentially tapered in the direction of the substrate portion 22.

When the terminal 6 is rotated and locked to the terminal protection cover 21 as shown in FIG.
1 is a groove 3 on the lower side of the claw portion 32 along the inclined guide surface 32b.
3, and both side portions of the male tab-shaped contact portion 11 are securely locked by the pair of claws 32, 32.

Also, the central convex portion 27 of the terminal holding plate 27
A tapered inclined guide wall 35 inclined in the direction of the terminal holding plate 27 is formed in the substrate portion 22 above the terminal insertion gap 34 between the terminal portion a and the substrate portion 22. When the terminal 6 is inserted into the terminal protection cover 21 as shown by a chain line in FIG. 2, the tip 11 a of the contact portion 11 is guided toward the terminal mounting wall 24 by the inclined guide wall 35, whereby the terminal 6 rotates. The operation is facilitated, and the workability of mounting the terminal 6 is improved. The guide walls 23 on both sides guide both sides of the terminal 6.

The lower end 35a of the inclined guide wall 35 and the upper end of the terminal holding plate 27 are located at substantially the same height, and the upper end 35b of the inclined guide wall 35 and the upper surface 24a of the terminal mounting wall 24 are substantially at the same height. Located in. As shown in FIG. 5A, a gap (terminal insertion gap) 34 between the upper portion 22a of the board portion 22 and the terminal holding plate 27 is narrowed to approximately the thickness of the terminal 6, and the terminal 6 is mounted in the mounted state. The upper part 22a is brought into contact with or pressed against the upper part 22a to be in close contact therewith.

Below the terminal pressing plate 27, a pair of terminal locking ribs (locking portions) 36 are formed in the substrate portion 22 in parallel in the vertical direction. The lower end surface (locking surface) 36a of the locking rib 36 locks the wire crimping portion 14 of the terminal 6 similarly to the locking protrusion 7 of the previous example. The pair of locking ribs 36 are located corresponding to the pair of crimping portions 14. In addition, if the terminal locking claw 30 is on the terminal mounting wall 24 as in this example, the terminal locking rib 36 may be omitted.

An electric wire fixing plate 37 is provided at the lower end of the substrate 22.
Are formed. A guide rail 38 for fixing to the electric connection box and a lock piece 39 are integrally provided on the upper part of the board part 22. The locking rib 36 and the locking projection 7 may be a flexible cantilever arm or the like.

According to the present embodiment, since the contact portion 11 of the terminal 6 can be securely locked on the terminal mounting wall 24, the contact portion 11
Position becomes stable. As a result, the cover 2
1 is attached to the bolt terminal 41 (FIG. 7).
One hole 42 is securely engaged.

[0025]

As described above, according to the first aspect of the present invention, by inserting the terminal into the terminal insertion gap and rotating with the terminal holding plate as a fulcrum, the terminal is moved toward the substrate by the terminal holding plate. Since the terminal is pressed and fixed, the terminal can be easily and quickly mounted on the terminal protection cover. According to the second aspect, the terminal pressing plate is integrally formed in the frame, thereby simplifying the configuration, the entire terminal protection cover being simplified into one part, and the assembling operation can be completed in one step. , Parts costs are reduced. According to the third aspect, the terminal is fixed immovably in the longitudinal direction, and the terminal locking force is increased. Also,
According to claim 4, at the same time as the terminal locking force increases,
Since the contact portion at the terminal end is positioned, the connection with the counterpart terminal is accurately performed. According to claim 5,
The terminal is further securely pressed by urging the terminal with the flexible convex portion. According to the sixth aspect, the terminal is rotated by being guided by the inclined guide wall, so that the terminal can be mounted more easily and quickly.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of a terminal protection cover according to the present invention.

FIG. 2 is a longitudinal sectional view (a sectional view corresponding to AA in FIG. 3) showing a state in which the terminal is mounted on the terminal protection cover.

FIG. 3 is a perspective view showing a terminal mounting state.

FIG. 4 is a perspective view showing a second embodiment of the terminal protection cover according to the present invention.

5A is a plan view showing a main part of the terminal protection cover, and FIG. 5B is a front view.

FIG. 6 is an exploded perspective view showing a conventional terminal protection cover.

FIG. 7 is an exploded perspective view showing a state in which a terminal protection cover is attached to the electric connection box.

[Explanation of symbols]

 1, 21 Terminal protection cover 2, 22 Substrate 3, 25 Frame 4, 27 Terminal press plate 4a, 27a Convex portion 5, 34 Terminal insertion gap 6 Terminal 7 Locking projection 9, 24 Terminal mounting wall 14 Wire crimp Part (back part) 30 locking claw 35 inclined guide wall

Claims (6)

[Claims] 1. A terminal holding plate is provided facing a substrate portion, a terminal insertion gap is formed between the terminal holding plate and the substrate portion, and the terminal is mounted in a direction orthogonal to the terminal holding plate. A terminal protection cover, wherein a terminal wall is provided, a plate-shaped terminal bent at a right angle is inserted into the terminal insertion gap, and the terminal protection cover is rotated and attached to the terminal mounting wall side. 2. A frame is protruded from the substrate, the terminal mounting wall is formed on the frame, and the terminal pressing plate is provided inside the frame. 1. The terminal protection cover according to 1. 3. The terminal according to claim 1, wherein a locking portion for a rear portion of the terminal is provided on the substrate portion, and the terminal is held between the terminal mounting wall and the locking portion. 1 or 2
The terminal protection cover described. 4. The terminal protection cover according to claim 1, wherein a locking portion for the terminal is provided on the terminal mounting wall. 5. The terminal holding plate according to claim 1, wherein a flexible convex portion is formed on the terminal pressing plate, and the terminal is pressed toward the substrate portion by the convex portion. The terminal protection cover described. 6. An inclined guide wall for guiding said terminal in a rotating direction is formed on said substrate portion between said terminal holding plate and said terminal placement wall. The terminal protection cover according to any one of the above.