CN213990020U

CN213990020U - Assembled terminal high-voltage junction box

Info

Publication number: CN213990020U
Application number: CN202022619470.XU
Authority: CN
Inventors: 王洪亮
Original assignee: Konette Changzhou Intelligent Technology Co ltd
Current assignee: Konette Changzhou Intelligent Technology Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-08-17
Anticipated expiration: 2030-11-12

Abstract

The utility model discloses an assembled terminal high-voltage junction box, including upper cover subassembly and lower casing subassembly, the upper cover subassembly includes metal upper cover and insulating upper cover, insulating upper cover overlaps and overlaps in the metal upper cover, casing subassembly includes insulating casing and metal lower casing down, insulating casing overlap under in the metal casing, the metal upper cover sets up the lower cover sealing washer with the junction of metal lower casing, insulating lower casing sets up insulating lower casing sealing washer with the bottom junction of metal lower casing, the terminal passes the metal lower casing, the junction in terminal and insulating lower casing sets up the terminal sealing washer, the end of cable subassembly passes the back lid hole and is connected with the terminal. The high-voltage junction box has the characteristics of convenience in installation and replacement, good waterproof sealing performance and firm connection.

Description

Assembled terminal high-voltage junction box

Technical Field

The utility model belongs to the technical field of new energy automobile electrical accessories technique and specifically relates to an assembly type terminal high-voltage junction box.

Background

With the arrival of the low-carbon economic era, electric vehicles become the first business of numerous high-tech enterprises, and more software, hardware and applicable parts are produced to meet the ever-increasing market demands when more and more electric vehicles and related equipment are successively released. New forms of energy heavy current high voltage terminal box is the commonly used accessory on the new energy automobile, need pay attention to waterproof performance (leakproofness) between the part during the design, airtight performance ensures that the moisture can't get into, can not lead to overheated or spark to appear, often be the split type structure of upper and lower lid during the high voltage terminal box design, and terminal and insulating lower casing are integrative structure, if meet the terminal and need change terminal and insulating casing together when breaking down, cause the wasting of resources, it also can seem very troublesome to install again, consequently, the terminal high voltage terminal box of an assembled is proposed, waterproof performance and connection fastness between giving terminal and the lower casing subassembly have brought new challenge from this.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the defects in the prior art are overcome, and the assembled terminal high-voltage junction box is convenient to install and replace, good in waterproof sealing performance and firm in connection.

The utility model provides a technical scheme that its technical problem adopted is: an assembled terminal high-voltage junction box comprises an upper cover component and a lower shell component, wherein the upper cover component comprises a metal upper cover and an insulating upper cover, the insulating upper cover is sleeved in the metal upper cover in a stacked mode, the lower shell component comprises an insulating lower shell and a metal lower shell, the insulating lower shell is sleeved in the metal lower shell in a stacked mode, the metal upper cover is fixedly connected with the metal lower shell, an upper cover sealing ring and a lower cover sealing ring are arranged at the joint of the metal upper cover and the metal lower shell, a terminal barrel is arranged at the lower portion of the insulating lower shell, an insulating lower shell sealing ring is arranged at the joint of the terminal barrel and the bottom of the metal lower shell, a terminal penetrates through the metal lower shell and enters the terminal barrel, a terminal sealing ring is arranged at the joint of the terminal and the insulating lower shell, the end of a cable component penetrates through a rear cover hole of the lower shell component to be connected with the terminal, and the tail end of the cable component is screwed with the metal lower shell through a metal tail cover, and a cable sealing ring is arranged between the metal tail cover and the cable assembly.

Furthermore, the outer walls of the insulating upper cover and the insulating lower shell are provided with a plurality of clamping elastic sheets, and the inner walls of the corresponding metal upper cover and the corresponding metal lower shell are provided with bayonets matched with the clamping elastic sheets.

Furthermore, the edge of casing corresponds a plurality of screw holes down with the metal on the metal upper cover, through first bolt with both lock joint.

Further, the cable assembly is fixedly connected with the terminal through a second bolt.

Further, a base sealing ring is arranged between the bottom surface of the lower metal shell and the high-voltage junction box installation panel.

Furthermore, a shielding ring is arranged in a rear cover hole of the lower shell assembly.

Furthermore, the inner ring of the metal tail cover is provided with a gasket for axially limiting the cable assembly and enhancing the connection strength.

Furthermore, the terminal head part is provided with an annular groove, a terminal clamping ring is arranged in the groove, the terminal is limited, and the terminal is prevented from loosening from the inside of the insulating lower shell.

The utility model discloses an assembled terminal high pressure terminal box, its beneficial effect is: the multi-stage waterproof design is adopted, so that the excellent waterproof performance of the junction box is ensured; the terminal adopts an assembly type terminal, and is fixed on the lower insulating shell through a terminal retainer ring to prevent falling off; if meet the terminal and damage the trouble, need not to change terminal and insulating lower casing together, only need change alone the terminal can, practice thrift the cost, it is also convenient to install simultaneously, only needs to loosen the terminal rand, changes the terminal, has avoided in the traditional structure must dismantle the trouble of insulating lower casing.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the exploded structure of FIG. 1;

FIG. 4 is a schematic diagram of the exploded structure of FIG. 1;

in the figure, 1, an upper cover assembly, 2, a lower shell assembly, 11, a first bolt, 12, a metal upper cover, 13, an insulating upper cover, 14, a second bolt, 15, upper and lower cover sealing rings, 20, an insulating lower shell, 21, a terminal cylinder, 22, an insulating lower shell sealing ring, 23, a terminal clamping ring, 24, a metal lower shell, 25, a base sealing ring, 26, a terminal sealing ring, 27, a terminal, 31, a shielding ring, 32, a cable sealing ring, 33, a gasket, 34, a metal tail cover and 35 are cable assemblies.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

The assembled terminal high-voltage junction box shown in fig. 1-4 comprises an upper cover assembly 1 and a lower housing assembly 2, wherein the upper cover assembly 1 comprises a metal upper cover 12 and an insulating upper cover 13, the insulating upper cover 13 is nested in the metal upper cover 12, the lower housing assembly 2 comprises an insulating lower housing 20 and a metal lower housing 24, the insulating lower housing 20 is nested in the metal lower housing 24, the metal upper cover 12 is tightly connected with the metal lower housing 24, an upper cover sealing ring 15 and a lower cover sealing ring 15 are arranged at the joint of the metal upper cover 12 and the metal lower housing 24, a terminal cylinder 21 is arranged at the lower part of the insulating lower housing 20, an insulating lower housing sealing ring 22 is arranged at the joint of the terminal cylinder 21 and the bottom of the metal lower housing 24, a terminal 27 penetrates through the metal lower housing 24 to enter the terminal cylinder 21, a terminal sealing ring 26 is arranged at the joint of the terminal 27 and the insulating lower housing 20, a cable assembly 35 penetrates through a rear end hole of the lower housing assembly 2 to be connected with the terminal 27, the tail end is screwed with the lower metal shell 24 through a metal tail cover 34, and a cable sealing ring 32 is arranged between the metal tail cover 34 and a cable assembly 35.

The outer walls of the insulating upper cover 13 and the insulating lower shell 20 are provided with a plurality of clamping elastic sheets, and the inner walls of the corresponding metal upper cover 12 and the corresponding metal lower shell 24 are provided with bayonets matched with the clamping elastic sheets.

The edges of the metal upper cover 12 and the metal lower shell 24 are correspondingly provided with a plurality of screw holes, and the metal upper cover and the metal lower shell are locked and connected through the first bolt 11.

The cable assembly 35 is fixedly connected to the terminal 27 by the second bolt 14.

A base sealing ring 25 is arranged between the bottom surface of the metal lower shell 24 and the high-voltage junction box mounting panel.

A shield ring 31 is provided in the rear cover hole of the lower housing assembly 2.

The gasket 33 is arranged on the inner ring of the metal tail cover 34, so that the cable assembly 35 is axially limited, and the connection strength is enhanced.

The head of the terminal 27 is provided with an annular groove, and a terminal clamping ring 23 is arranged in the groove to limit the terminal 27 and prevent the terminal 27 from loosening from the insulating lower shell 20.

The utility model discloses an assembled terminal high-pressure terminal box adopts multistage waterproof design:

1. waterproof of upper and lower cover subassembly: the upper cover sealing ring 15 and the lower cover sealing ring 15 are extruded through the upper cover component 1 and the lower shell component 2, so that the waterproof function of the upper shell and the lower shell after assembly is achieved;

2. the cable is waterproof with lower casing subassembly: the outer wall of the cable assembly 35 and the metal tail cover 34 extrude the cable sealing ring 32, so that the waterproof function of the cable assembly position is achieved;

3. casing subassembly is waterproof with the installation panel down: the base sealing ring 25 is extruded through the panel of the lower metal shell 24 and the mounting panel of the high-voltage junction box, so that the waterproof function of the matching part of the flange and the panel is achieved;

4. the base is waterproof alone (after the lower casing subassembly is installed on the panel, when not assembling the upper cover): the lower insulating shell sealing ring 22 is extruded by the lower insulating shell 20 and the lower metal shell 24, the two parts are waterproof, the lower insulating shell 20 and the terminal 27 extrude the terminal sealing ring 26, the two parts are waterproof, the inner cavity is waterproof, and water is prevented from entering the box body behind the installation panel.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a fabricated terminal high pressure terminal box which characterized by: comprises an upper cover assembly (1) and a lower shell assembly (2), wherein the upper cover assembly (1) comprises a metal upper cover (12) and an insulating upper cover (13), the insulating upper cover (13) is sleeved in the metal upper cover (12) in a stacking manner, the lower shell assembly (2) comprises an insulating lower shell (20) and a metal lower shell (24), the insulating lower shell (20) is sleeved in the metal lower shell (24) in a stacking manner, the metal upper cover (12) is fixedly connected with the metal lower shell (24), an upper cover sealing ring (15) and a lower cover sealing ring (15) are arranged at the joint of the metal upper cover (12) and the metal lower shell (24), a terminal cylinder (21) is arranged at the lower part of the insulating lower shell (20), an insulating lower shell sealing ring (22) is arranged at the joint of the bottom of the terminal cylinder (21) and the metal lower shell (24), and a terminal (27) passes through the metal lower shell (24) to enter the terminal cylinder (21), a terminal sealing ring (26) is arranged at the joint of the terminal (27) and the insulating lower shell (20), the end of the cable assembly (35) penetrates through a rear cover hole of the lower shell assembly (2) to be connected with the terminal (27), the tail end of the cable assembly is screwed with the metal lower shell (24) through a metal tail cover (34), and the cable sealing ring (32) is arranged between the metal tail cover (34) and the cable assembly (35).

2. The assembly terminal high voltage junction box of claim 1, wherein: the outer walls of the insulating upper cover (13) and the insulating lower shell (20) are provided with a plurality of clamping elastic sheets, and the inner walls of the corresponding metal upper cover (12) and the corresponding metal lower shell (24) are provided with bayonets matched with the clamping elastic sheets.

3. The assembly terminal high voltage junction box of claim 1, wherein: the edge of the metal upper cover (12) and the edge of the metal lower shell (24) are correspondingly provided with a plurality of screw holes, and the metal upper cover and the metal lower shell are connected in a locking manner through a first bolt (11).

4. The assembly terminal high voltage junction box of claim 1, wherein: the cable assembly (35) is fixedly connected with the terminal (27) through a second bolt (14).

5. The assembly terminal high voltage junction box of claim 1, wherein: and a base sealing ring (25) is arranged between the bottom surface of the metal lower shell (24) and the high-voltage junction box mounting panel.

6. The assembly terminal high voltage junction box of claim 1, wherein: and a shielding ring (31) is arranged in a rear cover hole of the lower shell assembly (2).

7. The assembly terminal high voltage junction box of claim 1, wherein: the inner ring of the metal tail cover (34) is provided with a gasket (33) for axially limiting the cable assembly (35) and enhancing the connection strength.

8. The assembly terminal high voltage junction box of claim 1, wherein: the head of the terminal (27) is provided with an annular groove, a terminal clamping ring (23) is arranged in the groove to limit the terminal (27) and prevent the terminal (27) from loosening from the insulating lower shell (20).