CN211428450U - Waterproof high-voltage junction box - Google Patents
Waterproof high-voltage junction box Download PDFInfo
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- CN211428450U CN211428450U CN201922264093.XU CN201922264093U CN211428450U CN 211428450 U CN211428450 U CN 211428450U CN 201922264093 U CN201922264093 U CN 201922264093U CN 211428450 U CN211428450 U CN 211428450U
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Abstract
The utility model discloses a waterproof high-voltage junction box, including last casing subassembly, casing subassembly and the cable subassembly of connection in casing subassembly down, it includes the metal upper cover to go up the casing subassembly, the insulating upper casing that the cover inlays in the metal upper cover, casing subassembly includes the metal lower cover down, the cover is established and is established the insulating casing down in the metal lower cover, set up the waterproof sealing washer of base between the inner wall of metal lower cover and the outer wall of insulating casing down, the screw is seted up to insulating lower casing bottom surface, the through-hole is seted up to the rear end face, the corresponding through-hole of seting up of metal lower cover rear end face, the cable subassembly passes the through-hole and extends to the screw top of insulating casing down, fastening bolt passes the cable subassembly and with insulating lower casing threaded connection, casing subassembly rear end sets up the shielding subassembly down, and have connect behind the metal, install the cable sealing washer between metal lower cover and cable subassembly. The high-voltage junction box has the advantages of excellent dustproof and waterproof performance, simplicity in assembly, and safety and reliability in use.
Description
Technical Field
The utility model belongs to the technical field of new energy automobile electrical accessories technique and specifically relates to a waterproof high-pressure terminal 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 pressure terminal box is the commonly used accessory on the new energy automobile, need pay attention to the waterproof performance (leakproofness) between the part during the design, and airtight performance ensures that the moisture can't get into, can not lead to overheated or the spark to appear, often is the split type structure of upper and lower cover during the design of high pressure terminal box, always the difficulty in the aspect of improving its waterproof performance heavily, bad humanity, consequently needs the high pressure terminal box that a new waterproof performance is good to solve above-mentioned not enough.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, the novel high-voltage junction box with excellent dustproof and waterproof performance is provided, the assembly is simple, and the use process is safe and reliable.
The utility model provides a technical scheme that its technical problem adopted is: a waterproof high-voltage junction box comprises an upper shell assembly, a lower shell assembly and a cable assembly connected in the lower shell assembly, wherein the upper shell assembly comprises a metal upper cover and an insulating upper shell sleeved in the metal upper cover, the lower shell assembly comprises a metal lower cover and an insulating lower shell sleeved in the metal lower cover, a base waterproof sealing ring is arranged between the inner wall of the metal lower cover and the outer wall of the insulating lower shell, the insulating lower shell and the metal lower cover are mutually extruded to achieve the waterproof effect of an inner cavity and prevent water from entering a box body behind an installation panel, a screw hole is formed in the bottom surface of the insulating lower shell, a through hole is formed in the rear end surface of the metal lower cover, a through hole is correspondingly formed in the rear end surface of the metal lower cover, the cable assembly passes through the through hole and extends to the upper part of the screw hole of the insulating lower shell, a fastening bolt passes through the cable assembly and is in threaded connection with the insulating lower shell, a shielding, and the metal rear cover is screwed on, a cable sealing ring is arranged between the metal lower cover and the cable assembly, and the waterproof function of the cable assembly part is achieved through the extrusion of the outer wall of the cable and the metal rear cover.
Furthermore, the bottom surface of the insulating upper shell is provided with an embedded groove, the side surface of the insulating upper shell is provided with an elastic clamping piece, a convex rib and a clamping groove which are matched with the embedded groove and the elastic clamping piece respectively are correspondingly arranged in the metal upper cover, and the elastic clamping piece is unfolded towards the opening direction of the insulating upper shell before assembly.
Furthermore, the bottom surface of the insulating lower shell is provided with an embedded groove, the side surface of the insulating lower shell is provided with an elastic clamping piece, a convex rib and a clamping groove which are matched with the embedded groove and the elastic clamping piece respectively are correspondingly arranged in the metal lower cover, and the elastic clamping piece is unfolded towards the opening direction of the insulating lower shell before assembly.
Furthermore, the shielding assembly comprises a shielding layer arranged in the rear end of the metal lower cover and a shielding ring which is sleeved in the shielding layer.
Furthermore, the metal upper cover and the metal lower cover are fixed through a combination bolt.
Furthermore, an upper cover sealing ring and a lower cover sealing ring are arranged between the metal upper cover and the metal lower cover, and the waterproof function after the upper shell and the lower shell are assembled is achieved through the extrusion of the upper shell assembly and the lower shell assembly.
Further, a panel sealing ring is arranged between the flange at the bottom of the metal lower cover and the installation panel, and the metal lower cover is extruded with the installation panel, so that the matching position of the flange and the panel has a waterproof function.
The utility model discloses a waterproof high-pressure terminal box, its beneficial effect is: the assembly is simple, and the part is connected reliably, and the multiple places set up waterproof sealing washer, and is waterproof between upper and lower casing subassembly, cable and casing subassembly are waterproof down, casing subassembly and installation panel are waterproof down, especially sets up the waterproof sealing washer of base under the inner wall of metal lower cover and insulating between the outer wall of casing, and insulating lower casing and metal lower cover extrusion base waterproof sealing washer reach the inner chamber waterproof, prevent that water from getting into the box behind the installation panel.
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 an exploded view of the structure of the present invention;
FIG. 3 is a schematic assembly view of the present invention;
fig. 4 is a schematic sectional structure of the present invention;
in the figure, 1, a combination bolt, 2, a metal upper cover, 3, an insulating upper shell, 4, an upper cover sealing ring, a lower cover sealing ring, 5, a fastening bolt, 6, an insulating lower shell, 7, a base waterproof sealing ring, 8, a panel sealing ring, 9, a metal lower cover, 10, a shielding layer, 11, a shielding ring, 12, a cable sealing ring, 13, a metal rear cover, 14, a cable assembly, 15, an embedding groove and 16 are elastic clamping pieces.
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 waterproof high-voltage junction box shown in figures 1-4 comprises an upper shell assembly, a lower shell assembly and a cable assembly connected in the lower shell assembly, wherein the upper shell assembly comprises a metal upper cover 2 and an insulating upper shell 3 embedded in the metal upper cover 2, the lower shell assembly comprises a metal lower cover 9 and an insulating lower shell 6 sleeved in the metal lower cover 9, a base waterproof sealing ring 7 is arranged between the inner wall of the metal lower cover 9 and the outer wall of the insulating lower shell 6, the insulating lower shell 6 and the metal lower cover 9 are mutually extruded to achieve the inner cavity waterproof effect, water is prevented from entering a box body behind an installation panel, the bottom surface of the insulating lower shell 6 is provided with screw holes, the rear end surface of the insulating lower shell 6 is provided with through holes, the cable assembly 14 penetrates through the through holes to extend to the upper parts of the screw holes of the insulating lower shell 6, a fastening bolt 5 penetrates through the cable assembly 14 and is in threaded connection with the insulating lower shell 6, the rear end of the lower shell component is provided with a shielding component, the rear end of the lower shell component is screwed with a metal rear cover 13, a cable sealing ring 12 is arranged between the metal lower cover 9 and the cable component 14, and the waterproof function of the cable assembly position is achieved through the extrusion of the outer wall of the cable and the metal rear cover 13.
The bottom surface of insulating upper housing 3 sets up caulking groove 15 to set up elastic clamping spare 16 in the side, corresponding be equipped with respectively with caulking groove 15 and elastic clamping spare 16 matched with protruding muscle and draw-in groove in the metal upper cover 2, elastic clamping spare 16 expands toward the opening direction of insulating upper housing 3 before the assembly.
The bottom surface of insulating lower casing 6 sets up the caulking groove to set up elastic clamping spare in the side, be equipped with respectively with caulking groove and elastic clamping spare matched with protruding muscle and draw-in groove in the metal lower cover 9 correspondingly, elastic clamping spare expands toward the opening direction of insulating lower casing 6 before the assembly.
The shielding assembly comprises a shielding layer 10 arranged in the rear end of the metal lower cover 9 and a shielding ring 11 nested in the shielding layer 10.
The metal upper cover 2 and the metal lower cover 9 are fixed by a combination bolt.
An upper cover sealing ring 4 and a lower cover sealing ring 4 are arranged between the metal upper cover 2 and the metal lower cover 9, and the waterproof function after the upper shell and the lower shell are assembled is achieved through the extrusion of the upper shell assembly and the lower shell assembly.
Set up panel sealing washer 8 between metal lower cover 9 bottom flange and installation panel, metal lower cover 9 extrudees with the installation panel for flange and panel cooperation department have waterproof function.
During assembly, a base waterproof sealing ring 7 is installed in the metal lower cover 9, the insulating lower shell 6 is inserted into the metal lower cover 9 and is pressed tightly, an embedded groove in the bottom surface of the insulating lower shell 6 is matched with a convex rib in the metal lower cover 9, an elastic clamping piece on the side surface is matched with a clamping groove in the metal lower cover 9, a shielding component is installed at the rear end of the metal lower cover 9, a cable sealing ring 12 is installed, a metal rear cover 13 is screwed on, a cable component 14 is inserted into the lower shell component and is fixed by a fastening bolt 5, an upper cover sealing ring 4 and a lower cover sealing ring 4 are installed on the lower shell component, the upper shell component is assembled simultaneously, the assembling method is the same as that of the lower shell component, finally, the metal upper cover 2 and the metal lower cover 9 are connected and fixed by a combination bolt, a panel sealing ring is installed on a flange at the bottom of the metal lower cover.
This waterproof high-pressure terminal box assembly is simple, and the part is connected reliably, and the multiple department sets up waterproof sealing washer, and is waterproof between the upper and lower casing subassembly, cable and casing subassembly are waterproof down, casing subassembly and installation panel are waterproof down, especially sets up base waterproof sealing washer under the inner wall of metal lower cover and insulating between the outer wall of casing, and insulating lower casing and metal lower cover extrusion base waterproof sealing washer reach the inner chamber waterproof down, prevent that water from getting into the box 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 (7)
1. A waterproof high-voltage junction box is characterized in that: comprises an upper shell component, a lower shell component and a cable component connected in the lower shell component, wherein the upper shell component comprises a metal upper cover (2) and an insulating upper shell (3) embedded in the metal upper cover (2), the lower shell component comprises a metal lower cover (9) and an insulating lower shell (6) sleeved in the metal lower cover (9), a base waterproof sealing ring (7) is arranged between the inner wall of the metal lower cover (9) and the outer wall of the insulating lower shell (6), a screw hole is formed in the bottom surface of the insulating lower shell (6), a through hole is formed in the rear end surface, a through hole is correspondingly formed in the rear end surface of the metal lower cover (9), the cable component (14) penetrates through the through hole and extends to the position above the screw hole of the insulating lower shell (6), a fastening bolt (5) penetrates through the cable component (14) and is in threaded connection with the insulating lower shell (6), a shielding component is arranged at the rear end of the lower shell component, and is screwed with a metal rear cover (13), and a cable sealing ring (12) is arranged between the metal lower cover (9) and the cable component (14).
2. The waterproof high-voltage junction box of claim 1, wherein: the bottom surface of insulating upper housing (3) set up the caulking groove to set up the elastic clamping spare in the side, the metal upper cover (2) in correspondingly be equipped with respectively with caulking groove and elastic clamping spare matched with protruding muscle and draw-in groove, before the assembly the elastic clamping spare expand toward the opening direction of insulating upper housing (3).
3. The waterproof high-voltage junction box of claim 1, wherein: insulating bottom surface of casing (6) set up caulking groove (15) down to set up elastic clamping spare (16) in the side, correspondingly be equipped with respectively with caulking groove (15) and elastic clamping spare (16) matched with protruding muscle and draw-in groove in metal lower cover (9), before the assembly elastic clamping spare expand toward the opening direction of insulating casing (6) down.
4. The waterproof high-voltage junction box of claim 1, wherein: the shielding assembly comprises a shielding layer (10) arranged in the rear end of the metal lower cover (9) and a shielding ring (11) sleeved in the shielding layer (10).
5. The waterproof high-voltage junction box of claim 1, wherein: the metal upper cover (2) and the metal lower cover (9) are fixed through the assembling bolt (1).
6. The waterproof high-voltage junction box of claim 1, wherein: an upper cover sealing ring and a lower cover sealing ring (4) are arranged between the metal upper cover (2) and the metal lower cover (9).
7. The waterproof high-voltage junction box of claim 1, wherein: and a panel sealing ring (8) is arranged between the bottom flange of the metal lower cover (9) and the mounting panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922264093.XU CN211428450U (en) | 2019-12-16 | 2019-12-16 | Waterproof high-voltage junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922264093.XU CN211428450U (en) | 2019-12-16 | 2019-12-16 | Waterproof high-voltage junction box |
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| Publication Number | Publication Date |
|---|---|
| CN211428450U true CN211428450U (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922264093.XU Active CN211428450U (en) | 2019-12-16 | 2019-12-16 | Waterproof high-voltage junction box |
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| CN (1) | CN211428450U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112383021A (en) * | 2020-11-05 | 2021-02-19 | 刘春晓 | Cable connection assembly based on liquid metal |
| CN113013666A (en) * | 2021-02-26 | 2021-06-22 | 宁波央腾汽车电子有限公司 | High-voltage shielding cable connector structure of motor controller |
-
2019
- 2019-12-16 CN CN201922264093.XU patent/CN211428450U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112383021A (en) * | 2020-11-05 | 2021-02-19 | 刘春晓 | Cable connection assembly based on liquid metal |
| CN113013666A (en) * | 2021-02-26 | 2021-06-22 | 宁波央腾汽车电子有限公司 | High-voltage shielding cable connector structure of motor controller |
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