CN112003212A

CN112003212A - Central power distribution box

Info

Publication number: CN112003212A
Application number: CN202010994024.9A
Authority: CN
Inventors: 张德明; 雷亚明; 曹昌雷; 陆朋朋
Original assignee: Nantong Hongzhi Automobile Electronic Technology Co ltd
Current assignee: Nantong Hongzhi Automobile Electronic Technology Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2020-11-27

Abstract

The present invention provides a central distribution box, comprising: upper cover, lower cover, distribution box body install in the lower cover, and the upper cover lid closes under and covers, still includes: the water retaining type heat radiation structure is installed on the lower surface of the lower cover, the inlet wire sealing device wraps the outside of the connecting wire of the power distribution box body, and the inlet wire sealing device is located between the upper cover and the lower cover and is connected with the upper cover and the lower cover in a sealing mode respectively. 1. According to the invention, the heat dissipation holes are formed in the bottom of the lower cover, and the water retaining structure is arranged below the heat dissipation holes, so that the water splashed by wheels in the running process of an automobile is effectively prevented from entering the distribution box while the good heat dissipation performance of the distribution box body is ensured; meanwhile, the connecting wire of the power distribution box enters the upper cover and the lower cover through the wire inlet sealing device and is connected with the power distribution box body, and the wire inlet sealing device effectively eliminates gaps generated at the wire inlet position of the power distribution box and improves the sealing performance of the power distribution box.

Description

Central power distribution box

Technical Field

The invention relates to the field of automobile parts, in particular to a central distribution box.

Background

Various relays and safety devices are arranged on an automobile, and in order to facilitate assembly and repair fault troubleshooting, the various relays and the safety devices are generally arranged on the automobile to form a distribution box. The distribution box distributes the electricity of the positive poles of the generator and the storage battery to various electric appliances, and the distribution box is used for distributing power and protecting various circuits. Is a circuit terminal station of the whole vehicle.

The distribution box distributes each with the anodal electricity of generator and battery to use electrical apparatus, generally has the heavy current return circuit to pass through, and the temperature of the whole electrical apparatus box of during operation can be very high, and this requires that the electrical apparatus box can possess certain ventilation capacity, and whole distribution box sealing performance is especially important simultaneously, and traditional automobile distribution box can't compromise sealing performance and heat dispersion.

Disclosure of Invention

In view of the above-mentioned problems in the background art, the present invention provides a central distribution box, comprising: upper cover, lower cover, distribution box body, the distribution box body is installed in the lower cover, the upper cover lid closes on the lower cover, still includes: the water retaining type heat dissipation structure is installed on the lower surface of the lower cover, the incoming line sealing device wraps the outer portion of the connecting line of the power distribution box body, and the incoming line sealing device is located between the upper cover and the lower cover and is connected with the upper cover and the lower cover in a sealing mode respectively.

Further, the water-retaining type heat radiation structure includes: louvre, water retaining structure, the louvre has a plurality ofly to set up respectively the lower cover bottom, the louvre below is equipped with the splashproof water installation, the splashproof water installation includes: the heat dissipation holes are surrounded by the circumferential baffle and the longitudinal baffle, the circumferential baffle is of a tubular structure and is arranged below the heat dissipation holes, the top of the circumferential baffle surrounds the heat dissipation holes, the longitudinal baffle is arranged in the circumferential baffle, and a gap is formed between the longitudinal baffle and the inner wall of the circumferential baffle.

Furthermore, the bottom of the lower cover is of an arc-shaped plate structure protruding downwards, and the top plate of the upper cover is of an arc-shaped plate structure protruding upwards.

Further, the louvre is the rectangular hole, circumference baffle is the rectangular pipe structure, longitudinal baffle's front and back both sides with the inner wall of circumference baffle is fixed continuous, longitudinal baffle's the left and right sides with be equipped with the gap between the inner wall of circumference baffle.

Further, a wire inlet has been seted up on the lateral wall of lower cover 1, a U-shaped groove has been seted up to wire inlet department, wire inlet sealing device includes: the U-shaped pipe, pencil pipe, support, the U-shaped pipe with pencil pipe intercommunication, the U-shaped pipe is installed the U-shaped inslot, the U-shaped inslot is equipped with sealed protruding muscle, set up on the U-shaped pipe with the muscle groove that sealed protruding muscle matches, the inside support mounting groove of having seted up of U-shaped pipe, the support mounting is in do the U-shaped pipe provides to support and effectively prevents U-shaped pipe atress deformation, the pencil pipe is located upper cover, lower cover outside and wrap up upper cover, the outside connecting wire of lower cover.

Further, the support is a U-shaped ring structure, and the support includes: the bottom of the first section and the bottom of the second section are connected through a flexible part, and the top of the first section and the top of the second section are connected through a fastener.

Furthermore, the U-shaped pipe and the wire harness pipe are made of rubber materials, the first section and the second section of the support are thick plastic sections, and the flexible part between the first section and the second section is a thin plastic section.

Further, the first section, the second section and the flexible component are integrally formed.

Further, the method also comprises the following steps: the sealing ring, the sealing washer mounting groove has been seted up at the lateral wall top of lower cover, the sealing washer is installed in the sealing washer mounting groove, the sealing washer presss from both sides between upper cover, the lower cover, compresses tightly the connection through lock nut group between upper cover, the lower cover, the sealing washer is with the gap packing between upper cover, the lower cover sealed.

Further, the method also comprises the following steps: the trip, the trip is the U-shaped structure, the first end of trip with the lateral wall of lower cover links to each other, the second end of trip with the distribution box body links to each other, works as distribution box body, trip are in after assembling in the lower cover the trip is in interior knot shrink state, the trip is right the distribution box body provides continuous elastic support on the horizontal direction.

Further, the method also comprises the following steps: the rubber pad, the rubber pad is installed the trip below, the trip assembly is in back on the rubber pad is compressed, the rubber pad will the trip jack-up that makes progress, the second end top of trip with the block terminal body joint continues to right the block terminal body provides the ascending elastic support in vertical direction.

Compared with the prior art, the invention provides a central distribution box, which has the following beneficial effects:

1. according to the invention, the heat dissipation holes are formed in the bottom of the lower cover, and the water retaining structure is arranged below the heat dissipation holes, so that the good heat dissipation performance of the distribution box body is ensured, and meanwhile, water splashed by wheels in the running process of an automobile is effectively prevented from entering the distribution box.

2. The connecting wire of the power distribution box enters the upper cover and the lower cover through the wire inlet sealing device and is connected with the power distribution box body, and the wire inlet sealing device effectively eliminates gaps generated at the wire inlet position of the power distribution box and improves the sealing performance of the power distribution box.

3. According to the invention, the clamping hook and the rubber pad are arranged in the lower cover, and the shock absorption treatment is respectively carried out on the distribution box body in the horizontal direction and the vertical direction, so that the noise is effectively reduced.

Drawings

Fig. 1 is an exploded view of a central distribution box.

Fig. 2 is a top view of a central distribution box lower cover.

Fig. 3 is a perspective view of a front face of a central distribution box.

Fig. 4 is an enlarged view of a portion a of a central panel.

Fig. 5 is a cross-sectional view of a central distribution box.

Fig. 6 is a schematic diagram of a central distribution box support.

Wherein: 1-lower cover; 101-a U-shaped slot; 102-a seal ring mounting groove; 2-a central distribution box body; 3-covering the cover; 4-heat dissipation holes; 5-a circumferential baffle; 6-longitudinal baffle; 7-a U-shaped tube; 8-a bundle tube; 9-a scaffold; 901-first section; 902-a second segment; 10-a sealing ring; 11-a hook; 12-rubber pad.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, specific embodiments accompanied with figures are described in detail below, and it is apparent that the described embodiments are a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making creative efforts based on the embodiments of the present invention, shall fall within the protection scope of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

The present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially in general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Meanwhile, in the description of the present invention, it should be noted that the terms "upper, lower, inner and outer" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation and operate, and thus, cannot be construed as limiting the present invention. Furthermore, the terms first, second, or third are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The terms "mounted, connected and connected" in the present invention are to be understood broadly, unless otherwise explicitly specified or limited, for example: can be fixedly connected, detachably connected or integrally connected; they may be mechanically, electrically, or directly connected, or indirectly connected through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1-6, the present invention provides a central distribution box comprising: upper cover 3, lower cover 1, distribution box body 2 installs in lower cover 1, 3 lids of upper cover close on the lower cover 1, the bottom of lower cover 1 is the bellied arc plate structure downwards, the roof of upper cover 3 is the bellied arc plate structure that makes progress, still includes: manger plate type heat radiation structure, inlet wire sealing device, manger plate type heat radiation structure installs the lower surface of lower cover 1, manger plate type heat radiation structure includes: louvre 4, water retaining structure, louvre 4 has a plurality of setings respectively 1 bottom of lower cover, louvre 4 below is equipped with the splashproof water installation, the splashproof water installation includes: a circumferential baffle 5 and a longitudinal baffle 6, wherein the circumferential baffle 5 is of a tubular structure and is arranged below the heat dissipation hole 4, the top of the circumferential baffle 5 surrounds the heat dissipation hole 4, the longitudinal baffle 6 is arranged in the circumferential baffle 5, a gap is arranged between the longitudinal baffle 6 and the inner wall of the circumferential baffle 5, the heat dissipation hole 4 is a rectangular hole, the circumferential baffle 5 is of a rectangular tube structure, the front side and the rear side of the longitudinal baffle 6 are fixedly connected with the inner wall of the circumferential baffle 5, a gap is arranged between the left side and the right side of the longitudinal baffle 6 and the inner wall of the circumferential baffle 5, an incoming line sealing device is wrapped outside a connecting line of the power distribution box body 2, the incoming line sealing device is positioned between the upper cover 3 and the lower cover 1 and is respectively connected with the upper cover 3 and the lower cover 1 in a sealing manner, and a line inlet is arranged on the side wall of the lower cover 1, u-shaped groove 101 has been seted up to inlet wire department, inlet wire sealing device includes: u-shaped pipe 7, pencil pipe 8, support 9, U-shaped pipe 7 with 8 pipe intercommunications of pencil, U-shaped pipe 7 is installed in U-shaped inslot 101, be equipped with sealed protruding muscle in the U-shaped inslot 101, set up on the U-shaped pipe 7 with the muscle groove that sealed protruding muscle matches, the inside support mounting groove of having seted up of U-shaped pipe 7, support 9 is installed do in the support mounting groove U-shaped pipe 7 provides to support and effectively prevents 7 atress deformations of U-shaped pipe, pencil pipe 8 is located 1 outsidely and wrap up upper cover, the outside connecting wire of lower cover with upper cover 3, lower cover, support 9 is U-shaped ring structure, the support includes: the structure comprises a first section 901 and a second section 902, wherein the bottoms of the first section 901 and the second section 902 are connected through a flexible part, and the tops of the first section 901 and the second section 902 are connected through a fastener.

The U-shaped pipe 7 and the wire harness pipe 8 are made of rubber materials, the first section 901 and the second section 902 of the support are thicker plastic sections, and the flexible part between the first section 901 and the second section 902 is a thinner plastic section.

8. The central distribution box of claim 7, wherein the first section 901, the second section 901, and the flexible member are integrally formed.

Example 2

The present invention provides a central distribution box, further comprising, in comparison with embodiment 1: the sealing ring 10 is installed in the sealing ring installation groove 102, the sealing ring 10 is clamped between the upper cover 3 and the lower cover 1, the upper cover 3 and the lower cover 1 are in compression connection through a locking nut set, a gap between the upper cover 3 and the lower cover 1 is filled and sealed by the sealing ring 10, the hook 11 is of a U-shaped structure, a first end of the hook 11 is connected with the side wall of the lower cover 1, a second end of the hook 11 is connected with the distribution box body 2, when the distribution box body 2 and the hook 11 are assembled in the lower cover 1, the hook 11 is in an inner buckle contraction state, the hook 11 provides continuous elastic support for the distribution box body 2 in the horizontal direction, and the rubber pad 12 is installed below the hook 11, the rubber pad 12 is compressed after the trip 11 is assembled on the rubber pad 12, the rubber pad 12 jacks up the trip 11 upwards, and the top of the second end of the trip 11 is clamped with the distribution box body 2 and continuously provides elastic support in the vertical direction for the distribution box body 2.

The rest of the structure is the same as that of embodiment 1.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims

1. A central distribution box, comprising: upper cover, lower cover, distribution box body, the distribution box body is installed in the lower cover, the upper cover lid closes on the lower cover, its characterized in that still includes: the water retaining type heat dissipation structure is installed on the lower surface of the lower cover, the incoming line sealing device wraps the outer portion of the connecting line of the power distribution box body, and the incoming line sealing device is located between the upper cover and the lower cover and is connected with the upper cover and the lower cover in a sealing mode respectively.

2. The central distribution box of claim 1, wherein the water-retaining type heat dissipation structure comprises: louvre, water retaining structure, the louvre has a plurality ofly to set up respectively the lower cover bottom, the louvre below is equipped with the splashproof water installation, the splashproof water installation includes: the heat dissipation holes are surrounded by the circumferential baffle and the longitudinal baffle, the circumferential baffle is of a tubular structure and is arranged below the heat dissipation holes, the top of the circumferential baffle surrounds the heat dissipation holes, the longitudinal baffle is arranged in the circumferential baffle, and a gap is formed between the longitudinal baffle and the inner wall of the circumferential baffle.

3. The central distribution box of claim 1, wherein the bottom of the lower cover is a downwardly convex curved plate structure, and the top plate of the upper cover is an upwardly convex curved plate structure.

4. The central distribution box according to claim 2, wherein the heat dissipation holes are rectangular holes, the circumferential baffle is of a rectangular tube structure, the front side and the rear side of the longitudinal baffle are fixedly connected with the inner wall of the circumferential baffle, and gaps are formed between the left side and the right side of the longitudinal baffle and the inner wall of the circumferential baffle.

5. The central distribution box according to claim 1, wherein a wire inlet is formed on a side wall of the lower cover 1, a U-shaped groove is formed at the wire inlet, and the wire inlet sealing device comprises: the U-shaped pipe, pencil pipe, support, the U-shaped pipe with pencil pipe intercommunication, the U-shaped pipe is installed the U-shaped inslot, the U-shaped inslot is equipped with sealed protruding muscle, set up on the U-shaped pipe with the muscle groove that sealed protruding muscle matches, the inside support mounting groove of having seted up of U-shaped pipe, the support mounting is in do the U-shaped pipe provides to support and effectively prevents U-shaped pipe atress deformation, the pencil pipe is located upper cover, lower cover outside and wrap up upper cover, the outside connecting wire of lower cover.

6. The central distribution box of claim 5, wherein the bracket is a U-shaped loop structure, the bracket comprising: the bottom of the first section and the bottom of the second section are connected through a flexible part, and the top of the first section and the top of the second section are connected through a fastener.

7. The central distribution box according to claim 6, wherein the U-shaped tube and the harness tube are made of rubber material, the first section and the second section of the bracket are thicker plastic sections, and the flexible part between the first section and the second section is a thinner plastic section.

8. The central distribution box of claim 7, wherein the first section, the second section, and the flexible member are integrally formed.

9. The central distribution box of claim 1, further comprising: the sealing ring, the sealing washer mounting groove has been seted up at the lateral wall top of lower cover, the sealing washer is installed in the sealing washer mounting groove, the sealing washer presss from both sides between upper cover, the lower cover, compresses tightly the connection through lock nut group between upper cover, the lower cover, the sealing washer is with the gap packing between upper cover, the lower cover sealed.