KR102653945B1 - Watertight structure of junction block mounting part - Google Patents

Abstract

The purpose of the present invention is to provide a watertight structure of the junction block mounting portion that can improve the safety and quality of the vehicle by further preventing moisture from entering the mounting portion of the junction block,
A main body on which electrical components are mounted; and an upper cover whose edge of the cover surface is assembled to the top of the main body to cover the upper portion of the main body; A mounting portion is formed to protrude and extend outward on one side of the main body, the mounting portion is formed above the edge of the upper cover, and the upper cover is formed to cover one side of the mounting portion. It is characterized by

Description

Watertight structure of junction block mounting part {Watertight structure of junction block mounting part}

The present invention relates to a junction block provided in a car, etc., to distribute and supply power to a plurality of electrical devices. More specifically, it relates to a watertight structure of the mounting part of a junction block that prevents moisture from entering the mounting part for installing the junction block.

A junction block is a device installed in the engine room and interior of a vehicle to distribute power to various electrical devices. Although there are slight differences depending on the options selected depending on the vehicle model, a car is equipped with approximately dozens of relays and dozens of fuses. However, if these relays and fuses are distributed and arranged, the structure becomes complicated and control and management become difficult. Therefore, they are accommodated in the junction block and integrated in one place.

Figure 1 is a perspective view of a conventional junction block and an enlarged view of the mounting part, and Figure 2 is a cross-sectional view of the conventional junction block mounting part. Referring to this, the junction block may be composed of an upper cover (1), a main body (2), and a lower cover (3). The junction block can be fixed to the car body, is electrically connected through the battery terminal and is mechanically fixed at the same time, and can be fixed to the car body by being bolted to the mounting portion 4 protruding outward from the main body 2. there is.

Meanwhile, the junction block has a watertight structure to prevent accidents due to moisture inflow. Referring to Figure 2, the edge of the upper cover (1) is inserted into the edge of the main body (2), and the side wall formed at the edge of the upper cover (1) includes the outer wall (6a) and the inner wall (6b). It may be formed as a double partition structure including. Furthermore, a double groove may be formed at the edge of the main body including an outer groove (5a) and an inner groove (5b) into which the double partition structure can be inserted. And the mounting portion 4 protrudes further outward than the outer groove 5a.

As mentioned above, a double wall and double groove structure is applied to make it difficult for moisture to enter, but a large amount of moisture is allowed to inflow along the exposed side wall of the mounting part (4), and between the upper cover (1) and the main body (2). There is a risk of moisture entering through the cracks.

In the main body (2), a number of devices such as fuses and relays are installed to connect and distribute low-voltage power and protect the circuit. If moisture or salt water splashes from the bottom of the vehicle and flows into the junction block, problems such as short circuits can occur. This causes problems with the safety and quality of the vehicle to deteriorate.

The present invention is intended to solve the problems of the prior art as described above, and specifically, to provide a watertight structure of the junction block mounting portion that can improve the safety and quality of the vehicle by further preventing moisture from entering the mounting portion of the junction block. The purpose is to provide

In order to solve the above problems, an embodiment of the present invention provides a watertight structure for the mounting part of the junction block as follows.

The present invention includes a main body on which electrical components are mounted; and an upper cover whose edge of the cover surface is assembled to the top of the main body to cover the upper portion of the main body; A mounting portion is formed to protrude and extend outward on one side of the main body, the mounting portion is formed above the edge of the upper cover, and the upper cover is formed to cover one side of the mounting portion. It is characterized by

Additionally, the upper cover includes an upper wall extending upward from the edge; and a cover portion extending from the top and side edges of the upper wall toward the outside of the main body. It includes, wherein the upper wall and the cover portion face the top and side surfaces of the mounting portion, and one side of the mounting portion is covered.

In addition, the upper cover has an edge of the cover surface formed lower than the inner side and a ledge is formed on the edge, and the upper cover includes a first connecting rib connecting the side of the ledge and the upper wall; It is characterized in that it further includes.

Additionally, the upper cover includes a second connecting rib connecting an edge of the upper cover and the upper wall; It is characterized in that it further includes.

In addition, the mounting part is characterized in that waterproof ribs are formed extending along the upper and side surfaces, and the end edges of the cover part are arranged so that the side surfaces of the waterproof ribs face each other.

In addition, a double wall is formed extending downward on at least a portion of an edge of the upper cover, a double groove into which the double wall can be inserted upward is formed on at least a portion of an edge of the main body, and the mounting portion is formed in the double groove. It is characterized by being placed on the outside.

According to the problem solving means of the present invention as discussed above, various effects including the following can be expected. However, the present invention does not require all of the following effects to be achieved.

According to the watertight structure of the mounting part of the junction block of the present invention, the cover part covers one side of the mounting part and the connection part of the main body, thereby significantly reducing the moisture inflow area compared to the prior art. And at the same time, by lengthening the moisture inflow path, the inflow of moisture into the main body can be greatly reduced.

Furthermore, the present invention can block moisture entering from the upper outer direction of the mounting part by the waterproof rib of the mounting part. Therefore, it is possible to dramatically prevent moisture from entering.

In this way, the present invention strengthens the watertight structure, thereby protecting the devices in the junction block and has the advantageous effect of improving the stability and durability of the vehicle.

Figure 1 is a perspective view of a conventional junction block and an enlarged view of the mounting portion;
Figure 2 is a cross-sectional view of a conventional junction block mounting part;
Figure 3 is an overall perspective view of the watertight structure of the mounting part of the junction block of the present invention;
Figure 4 is an enlarged perspective view of the mounting part in Figure 3;
Figure 5 is a longitudinal cross-sectional view cut in the XX' direction in Figure 4;
Figure 6 is a cross-sectional view showing the direction of moisture inflow and the path of moisture inflow in the watertight structure of the mounting part of the conventional junction block and the junction block of the present invention.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings.

Figure 3 is an overall perspective view of the watertight structure of the mounting part of the junction block of the present invention, Figure 4 is an enlarged perspective view of the mounting part in Figure 3, Figure 5 is a longitudinal cross-sectional view cut in the X-X' direction in Figure 4, and Figure 6 is a conventional junction block and bone. This is a cross-sectional view showing the direction of moisture inflow and the path of moisture inflow in the watertight structure of the mounting part of the inventive junction block.

As shown in these drawings, one embodiment of the watertight structure of the mounting portion 40 of the junction block of the present invention includes a main body 20 on which fuses, relays, etc. are installed, and an upper part of the main body 20. It includes an upper cover 10 and a lower cover 30 that covers the lower part of the main body 20. And a mounting portion 40 is protruding from the side of the main body 20.

The watertight structure of the present invention means waterproofing between the mounting part 40 and the upper cover 10, and the upper cover 10 is formed and arranged to surround one side of the mounting part 40. One side of the mounting part 40 refers to the part connected to the inside of the main body 20, and the upper cover 10 surrounds this part.

The upper cover 10 includes a cover surface 18 that is disposed across the upper part of the main body 20 and serves as a substantial cover, and an edge 17 of the cover surface 18. The edge 17 may be formed at a lower position than the cover surface 18. That is, the inside of the upper cover 10 may protrude more upward than the edge 17. This is to secure internal space while ensuring stable coupling by bringing the edge 17 into contact with the end of the main body 20. As the edge 17 is formed lower than the cover surface 18, a protrusion 19 may be formed between the cover surface 18 and the edge 17.

In addition, in order to surround the mounting portion 40, the upper wall 11 extends upward, and the outer direction of the main body 20 from the top and side edges of the upper wall 11, that is, surrounding the mounting portion 40. The cover portion 12 may be formed in this direction. The cover portion 12 surrounds the top and side surfaces of one side of the mounting portion 40.

In addition, connecting ribs may be included to firmly manufacture and maintain the upper wall 11 and the cover portion 12. And the connecting rib may be formed in the shape of a panel arranged in a vertical direction. The first connecting rib 15 can connect the chin 19 and the upper wall 11 from the top of the cover surface 18. The second connecting rib 16 may connect the upper surface of the edge 17 of the cover surface 18 and the upper wall 11. In the drawing, the first connecting rib 15 is placed in the center and the second connecting rib 16 is placed on both sides of the first connecting rib 15. Conversely, the second connecting rib 16 is placed in the center. Of course, it is also possible that the first connecting ribs 15 are disposed on both sides. However, if the first connecting ribs 15 are placed on both sides, water may accumulate in the upper cover, so it is preferable that the first connecting ribs 15 are placed in the center.

Next, referring to the internal structure of FIG. 5, a first wall 13 extends downward from the upper wall 11, and a second wall spaced apart from the first wall 13 is formed inside the first wall 13. A wall 14 may be formed. Accordingly, the first wall 13 and the second wall 14 have a double partition structure, which has the effect of extending the moisture inflow path.

The mounting part 40 is formed outside the upper edge of the main body 20. The position of the mounting part 40 may vary depending on the fixed position of the junction block, and is located above the edge of the main body 20 as shown in the drawing. can be formed. Additionally, a bolting hole may be formed in the mounting portion 40 for fixation.

In addition, a first groove 42 and a second groove 43 may be formed at the upper edge of the main body 20 so that the above-described first wall 13 and second wall 14 can be inserted, Accordingly, the double partition structure of the upper cover 10 and the double groove structure of the main body 20 may be engaged. The first groove 42 and the second groove 43 may be formed along the entire edge of the main body 20, or may be formed only in the portion where the mounting portion 40 is formed. Although not shown in the drawing, a hole communicating with the outside of the junction block is formed at the bottom of the first groove 42 or the second groove 43 to prevent moisture flowing in between the cover part 12 and the main body 20. can be drained outside the junction block.

In addition, waterproof ribs 41 may be formed to extend on the upper and side surfaces of the mounting portion 40. The waterproof ribs 41 are continuously protruding and connected, and the end edge of the cover portion 12 of the above-described upper cover 10 may face the side facing the inside of the main body 20. It is desirable that the waterproof rib 41 and the cover part 12 are in close contact, and even if moisture enters from the upper side due to the waterproof rib 41, the main body 20 and the upper cover 10 are maintained by the waterproof rib 41. ) can be prevented from flowing through the space.

Figure 6 shows the prior art and the present invention, respectively. Referring to the prior art of FIG. 6 (a), when moisture flows in from above the mounting part 40, all moisture falling on the entire area of the mounting part 40 can flow toward the main body 20. However, in the present invention shown in Figure 6 (b), only moisture falling on the upper surface of the narrow cover portion 12 is likely to flow in, so the area is much smaller than that of the prior art. In addition, when moisture flows in from the upper right side in an oblique direction based on the drawing, moisture is blocked from flowing into the lower side of the cover portion 12 by the waterproof rib 41, so almost no moisture flows in.

In this specification, each configuration has been divided into detailed configurations and described in detail, but embodiments that can be derived by arbitrarily combining some configurations also fall within the scope of the present invention.

The above description is merely an illustrative explanation of the technical idea of the present invention, and various modifications and variations can be made by those skilled in the art in the technical field to which the present invention pertains without departing from the essential characteristics of the present invention. The scope of protection shall be interpreted in accordance with the claims below, and all technical ideas within the equivalent scope shall be construed as being included in the scope of rights of the present invention.

10 Upper cover 11 Upper wall
12 Cover portion 13 First wall
14 Second wall 15 First connecting rib
16 Second connecting rib 17 Cover surface edge
18 Cover side 19 Chin
20 Main body 30 Lower cover
40 Mounting part 41 Waterproof rib
42 1st home 43 2nd home

Claims (6)

A main body on which electrical components are mounted; and
an upper cover whose edge of the cover surface is assembled to the top of the main body to cover the upper portion of the main body;
Including,
A mounting portion is formed to protrude and extend outward on one side of the main body, and the mounting portion is formed above the edge of the upper cover,
The upper cover is formed to cover one side of the mounting portion,
The upper cover includes an upper wall extending upward from the edge; and
a cover portion extending from the top and side edges of the upper wall toward the outside of the main body;
Includes,
A watertight structure of the mounting part of a junction block, wherein the upper wall and the cover part face the top and side surfaces of the mounting part, and one side of the mounting part is covered.
delete According to paragraph 1,
In the upper cover, an edge of the cover surface is formed lower than the inner side, and a protrusion is formed on the edge,
The upper cover includes a first connecting rib connecting the side of the chin and the upper wall;
A watertight structure of the mounting part of the junction block, characterized in that it further comprises a.
According to paragraph 1,
The upper cover includes a second connecting rib connecting an edge of the upper cover and the upper wall;
A watertight structure of the mounting part of the junction block, characterized in that it further comprises a.
According to paragraph 1,
The mounting portion has waterproof ribs extending along the upper and side surfaces,
A watertight structure of the mounting part of the junction block, characterized in that the end edge of the cover part and the side surface of the waterproof rib are arranged to face each other.
According to paragraph 1,
A double wall is formed extending downward on at least a portion of an edge of the upper cover,
A double groove into which the double wall can be inserted upward is formed on at least a portion of the edge of the main body,
A watertight structure of the mounting part of the junction block, wherein the mounting part is disposed outside the double groove.

Images