CN209921218U

CN209921218U - Enclose butt joint box before car

Info

Publication number: CN209921218U
Application number: CN201920504213.6U
Authority: CN
Inventors: 贾文勇; 王伟帆; 王健; 周金山
Original assignee: FAW Jiefang Automotive Co Ltd
Current assignee: FAW Jiefang Automotive Co Ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-01-10
Anticipated expiration: 2029-04-15

Abstract

The utility model belongs to the technical field of automotive electronics, a front wall butt joint box for an automobile is related to, which comprises an upper box cover and a lower box body, and is characterized in that the upper box cover and the lower box body are fixed to form a containing space, a main body bracket is arranged in the containing space, a large-current copper column and a plurality of connector clamping grooves are arranged on the main body bracket, and two sealing rubber sheaths are arranged at a wire outlet of the containing space; the utility model discloses a enclose butt joint box before car, mainly used driver's cabin and chassis partial shipment have solved the problem of chassis wiring harness and instrument board wiring harness butt joint difficulty, inconvenient installation and dismantlement, and whole car electrical property is more stable, more reliable.

Description

Enclose butt joint box before car

Technical Field

The utility model relates to an enclose butt joint box before car, mainly used driver's cabin and chassis partial shipment to realize the device of chassis wiring harness and instrument board wiring harness butt joint and fixed usefulness when the two assembles, belong to automotive electronics technical field.

Background

With the development of automobile electronic technology and the continuous improvement of the requirements on reliability, safety and comfort of the whole automobile, the number of electronic controllers in a cab and a chassis is increasing. The cab and the chassis are separately assembled on different production lines and finally assembled together, and the butt joint of the instrument board wire harness and the chassis wire harness is more and more due to the continuously increased electronic and electrical equipment, so that the requirement on the butt joint reliability is higher and higher. The existing butt joint modes of a plurality of vehicle types are difficult to install and disassemble, or are inconvenient to generate line butt joint assembly and after-sale maintenance, and the dustproof, waterproof and vibration-resistant capabilities are not high, so that the performance of the whole electric system cannot be fully ensured.

Disclosure of Invention

The utility model aims at prior art not enough, provide a enclose butt joint box before car, mainly used driver's cabin and chassis partial shipment have solved the problem of chassis wiring harness and instrument board wiring harness butt joint difficulty, inconvenient installation and dismantlement, and whole car electrical property is more stable, more reliable.

In order to realize the technical purpose, the technical proposal of the utility model is that: the butt joint box comprises an upper box cover and a lower box body and is characterized in that the upper box cover and the lower box body are fixed to form an accommodating space, a main body support is arranged in the accommodating space, a large-current copper column and a plurality of connector clamping grooves are formed in the main body support, and two sealing rubber sheaths are arranged at a wire outlet of the accommodating space.

Furthermore, a conformal waterproof adhesive tape is arranged inside the upper box cover; an elastic waterproof adhesive tape is arranged between the lower box body and the upper box cover.

Furthermore, the upper box cover and the lower box body are fixed through four-corner bolts.

Further, the high-current copper column is screwed in the main body support through an M6 bolt, and the connector clamping grooves can be matched with series connectors of the 21 cores and the 36 cores of the Thailand and the Yuyao.

Furthermore, the inner side of the lower box body is provided with four barb-shaped clamping blocks, the periphery of the main body support is provided with four clamping grooves, and the main body support is pressed into the barb-shaped clamping blocks through the clamping grooves and locked with the lower box body.

Further, the box body periphery is equipped with 4 dead structures of locking down, and when partial shipment instrument board pencil, the dead structure of locking can be fixed with white automobile body panel beating joint.

Furthermore, a high-strength plastic framework is arranged in the sealing rubber sheath, and the sealing rubber sheath is fixed with the plastic framework through a limiting nail arranged on the plastic framework.

Furthermore, a waterproof groove is formed in the contact position of the lower box body and the sealing rubber sheath, a waterproof rib is arranged on the sealing rubber sheath, and the sealing rubber sheath is embedded into the waterproof groove through the waterproof rib and is fixed with the lower box body.

Furthermore, a diversion trench is arranged at the outer edge of the upper box cover matched with the sealing rubber sheath, and a reinforcing rib for improving the strength of the upper box cover is arranged above the diversion trench.

The utility model has the advantages of it is following:

the butt joint box structure of the utility model not only solves the reliable power supply problem of heavy current electric appliances in the cab, but also solves the problems of difficult butt joint, inconvenient installation and disassembly of the chassis wiring harness and the instrument board wiring harness; when loading, the lower box body can be integrally loaded with the instrument board wire harness and is clamped and fixed with the white body metal plate, so that the split charging speed of a production line is greatly improved, and the after-sale maintenance of the vehicle type is facilitated;

the utility model has tight water resistance, vibration resistance and sufficient occluding force between the butt joints of the power-assisted connector terminals, thereby not only ensuring the safety of the butt joint, but also reducing the pressure drop risk brought by the contact resistance of the terminal joint, and ensuring more stable and reliable electrical performance of the whole vehicle;

the utility model discloses a main part support can adapt taike branch of academic or vocational study and surplus yao 21 core, 36 core series connector, and scalability is extremely strong, and the flexibility ratio of connector lectotype is bigger in letting the pencil design.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the upper case cover of the present invention.

Fig. 3 is a schematic structural view of the conformal waterproof strip in the upper box cover of the utility model.

Fig. 4 is a schematic structural diagram of the lower box body of the present invention.

Fig. 5 is a schematic structural view of the main body bracket of the present invention.

Fig. 6 is a schematic structural view of the main body bracket of the present invention with the connector mounted thereon.

Fig. 7 is a schematic structural view of the sealing rubber sheath of the present invention.

Fig. 8 is a schematic structural view of the plastic frame of the sealing rubber sheath of the present invention.

Fig. 9 is a schematic structural view of the utility model after the upper cover is opened.

Reference numerals: 1. an upper box cover; 11-random waterproof adhesive tape; 12-a diversion trench; 13. reinforcing ribs; 2. a lower box body; 21. an elastic waterproof adhesive tape; 22. a barb type clamping block; 23. a waterproof groove; 24. a locking structure; 3. a main body support; 31-heavy current copper column; 32-connector card slot; 33. a card slot; 4. sealing the rubber sheath; 41. a plastic skeleton; 42. a limit pin; 43. waterproof ribs; 5. a bolt; 6. a connector is provided.

Detailed Description

The invention is further described with reference to the following specific drawings and examples.

As shown in fig. 1 ~ and fig. 3 of the drawings, in the embodiment 1, the automobile front wall butt-joint box includes an upper box cover 1 and a lower box body 2, the upper box cover 1 and the lower box body 2 are fixed to form an accommodating space, a main body bracket 3 is disposed in the accommodating space, a large-current copper pillar 31 and a plurality of connector slots 32 are disposed on the main body bracket 3, and two sealing rubber sheaths 4 are disposed at outlets of the accommodating space.

The upper box cover 1 and the lower box body 2 are fixed through the four-corner bolts 5, the white car body metal plate is also fixed through the four-corner bolts 5, the white car body metal plate is positioned between the upper box cover 1 and the lower box body 2 after installation, and the conformal waterproof rubber strip 11 is arranged inside the upper box cover 1; an elastic waterproof rubber strip 21 is arranged between the lower box body 2 and the upper box cover 1, and the elastic waterproof rubber strip 21 is pressed tightly through a screwing force, so that the butt joint box is sealed with a white vehicle body metal plate, and the dustproof, waterproof and anti-vibration effects are achieved;

four barb-type fixture blocks 22 are arranged on the inner side of the lower box body 2, four clamping grooves 33 are formed in the periphery of the main body support 3, and the main body support 3 is pressed into the barb-type fixture blocks 22 through the clamping grooves 33 and locked with the lower box body 2;

the large-current copper column 31 is screwed in the main body bracket 3 through an M6 bolt and can carry a large-current wire, so that the power supply problem of a large-current electric appliance in a cab is solved, meanwhile, the power wire is connected through the bolt, the terminal holding force is increased, and the vibration resistance of a large-current wire in the butt joint box and the reliability of a system are improved; the connector neck 32 can be adapted to the taycota and yao 21 core and 36 core serial connectors 6, six connector neck 32 are provided in the embodiment 1, and a way is provided for the selection and cost reduction of the porous connector;

the sealing rubber sheath 4 is internally provided with a high-strength plastic framework 41, and the sealing rubber sheath 4 is fixed with the plastic framework 41 through a limit nail 42 arranged on the plastic framework 41; a waterproof groove 23 is formed in the contact position of the lower box body 2 and the sealing rubber sheath 4, a waterproof rib 43 is arranged on the sealing rubber sheath 4, and the sealing rubber sheath 4 is embedded into the waterproof groove 23 through the waterproof rib 43 and fixed with the lower box body 2, so that the waterproof and wire harness fixing and guiding effects are achieved; the plastic framework adopts a design form of a buckle, so that the convenience of the production of the wire harness is improved;

a diversion trench 12 is arranged at the outer edge of the upper box cover 1 matched with the sealing rubber sheath 4, so that rainwater can flow out conveniently; and a reinforcing rib 13 for improving the strength of the upper box cover 1 is arranged above the flow guide groove 12, so that the mechanical strength of the box cover is improved.

The utility model discloses a enclose butt joint box before J6F mainly comprises last lid 1, lower box 2, main part support 3 and two sealing rubber sheath 4. The butt-joint box is fixedly installed with a body-in-white metal plate through four bolts 5 cast in the body; in addition, 4 locking structures 24 are designed on the periphery of the lower box body 2, and the lower box body can be clamped and fixed with a body-in-white metal plate when the instrument board wire harness is subpackaged; the main body bracket 3 is provided with 1 embedded bolt which can carry a large-current wire copper column 31, thereby solving the problem that a large-current wire harness is difficult to butt in a butt box; 4 barb type fixture blocks 22 are arranged on the inner side of the lower box body 2 of the butt joint box, and the main body bracket 3 can be easily pressed in and clamped and locked with the barb type fixture blocks; two sealing rubber sheaths 4 are arranged at the wire outlet of the butt-joint box, a high-strength plastic framework 41 is arranged in each sealing rubber sheath 4, and each sealing rubber sheath is embedded into two waterproof ribs 43 of the lower box body 2 after being installed, so that the wire harness fixing and guiding effects are achieved while waterproof is achieved; the upper box body and the lower box body of the butt joint box are connected through the bolts 5, the lower box body 2 is also adhered with an elastic waterproof rubber strip 21, and after the butt joint box is installed, a white car body sheet metal is positioned between the upper box body and the lower box body, and the waterproof rubber strip is pressed tightly through the screw joint force, so that the butt joint box and the white car body sheet metal are sealed, and the dustproof, waterproof and anti-vibration effects are achieved; a conformal waterproof adhesive tape 11 is designed in the upper box cover 1 and is matched with the lower box body 2 to be fastened, sealed, waterproof and dustproof through a bolt 5; the box body support can be adapted to a series connector of a 21-core and a 36-core of the Thailand and the Yuyao, and has strong expandability; this enclose the development of butt joint box before and solved the problem of large current line butt joint difficulty on the butt joint box, let the flexibility ratio of connector lectotype bigger in the pencil design simultaneously.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a enclose butt joint box before car, includes lid (1) and box (2) down, its characterized in that, go up lid (1) and the fixed accommodation space that forms of box (2) down, be equipped with main part support (3) in the accommodation space, be equipped with heavy current copper post (31) and a plurality of connector draw-in groove (32) on main part support (3), two sealing rubber sheath (4) are equipped with to the inlet wire of accommodation space.

2. The automobile cowl butt joint box according to claim 1, characterized in that: a conformal waterproof adhesive tape (11) is arranged inside the upper box cover (1); an elastic waterproof rubber strip (21) is arranged between the lower box body (2) and the upper box cover (1).

3. The automobile cowl butt joint box according to claim 1, characterized in that: the upper box cover (1) and the lower box body (2) are fixed through the four-corner bolts (5).

4. The automobile cowl butt joint box according to claim 1, characterized in that: the high-current copper column (31) is in threaded connection with the main body support (3) through an M6 bolt, and the connector clamping groove (32) is internally adaptable to a series connector (6) with a core 21 and a core 36 of the Taoke and the Yuyao.

5. The automobile cowl butt joint box according to claim 1, characterized in that: the lower box body (2) inboard is equipped with four barb type fixture blocks (22), main part support (3) periphery is equipped with four draw-in grooves (33), main part support (3) are impressed barb type fixture block (22) through draw-in groove (33) and are locked with lower box body (2).

6. The automobile cowl butt joint box according to claim 1, characterized in that: the periphery of the lower box body (2) is provided with 4 locking structures (24), and when the instrument board wiring harness is subpackaged, the locking structures (24) can be fixed with a body-in-white metal plate in a clamping mode.

7. The automobile cowl butt joint box according to claim 1, characterized in that: the sealing rubber sheath (4) is internally provided with a high-strength plastic framework (41), and the sealing rubber sheath (4) is fixed with the plastic framework (41) through a limiting nail (42) arranged on the plastic framework (41).

8. The automobile cowl butt joint box according to claim 1, characterized in that: the waterproof groove (23) is arranged at the contact position of the lower box body (2) and the sealing rubber sheath (4), the waterproof rib (43) is arranged on the sealing rubber sheath (4), and the sealing rubber sheath (4) is embedded into the waterproof groove (23) through the waterproof rib (43) and is fixed with the lower box body (2).

9. The automobile cowl butt joint box according to claim 1, characterized in that: the upper box cover (1) is provided with a flow guide groove (12) at the outer edge matched with the sealing rubber sheath (4), and a reinforcing rib (13) used for improving the strength of the upper box cover (1) is arranged above the flow guide groove (12).