CN211018151U - Switch type single-side sealing high-pressure plastic junction box - Google Patents
Switch type single-side sealing high-pressure plastic junction box Download PDFInfo
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- CN211018151U CN211018151U CN201921725451.6U CN201921725451U CN211018151U CN 211018151 U CN211018151 U CN 211018151U CN 201921725451 U CN201921725451 U CN 201921725451U CN 211018151 U CN211018151 U CN 211018151U
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- upper cover
- sealing
- copper bar
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model belongs to the technical field of new energy automobile, concretely relates to unilateral sealed high-pressure plastic terminal box of switch formula, including upper cover, base, the upper cover includes plastic upper cover body, upper cover shield cover, insulating rubberizing core at least, upper cover shield cover centre gripping is in between upper cover body and the insulating rubberizing core, the upper cover shield cover is equipped with a plurality of shell fragment contacts that are used for shielding contact all around, shell fragment contact protrusion in the upper cover and with shielding base inboard contact, the base is at least including switching sheath, sealed O type circle, L type copper bar terminal subassembly, end face seal circle, base main part, shielding base, pedestal sealing pad, shielding ring and shielding ring gluey core, the utility model provides a terminal box base and the unable unilateral sealed of box, the upper cover is opened or closed no feedback, the problem that the electromagnetic shield was revealed.
Description
Technical Field
The utility model belongs to the technical field of new energy automobile, concretely relates to unilateral sealed high-pressure plastic terminal box of switch formula.
Background
At present, new energy automobiles become a necessary trend for the development of the automobile industry, and batteries are the core of the new energy automobiles and serve as junction boxes for connecting the batteries with loads or power supplies to play a role in connecting bridges. The existing junction box cannot realize unilateral waterproof, and the risk of water inlet exists in the battery box when the upper cover is detached for maintenance or loosened; secondly, the junction box has no feedback loop, so the system cannot detect the state of the junction box, and when a maintenance worker opens the upper cover, the safety risk of electric shock exists; the electromagnetic shielding is more and more emphasized, the existing junction box can not realize 360-degree shielding, and shielding leakage exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a unilateral sealed high-pressure plastic terminal box of switch formula.
The technical scheme of the utility model is that: the switch type single-side sealing high-voltage plastic junction box comprises an upper cover and a base, wherein the upper cover at least comprises a plastic upper cover body, an upper cover shielding cover and an insulating upper glue core;
the base at least comprises a switching sheath, a sealing O-shaped ring, an L type copper bar terminal assembly, an end face sealing ring, a base main body, a shielding base, a base sealing gasket, a shielding ring and a shielding ring rubber core, wherein the shielding base and the base main body are integrally formed by injection molding, at least two or more salient points at the bottom of the shielding base are exposed out of a combining surface with the bottom surface of the base main body and are used for shielding the base and a box panel for shielding contact and conduction;
the L-type copper bar terminal assembly is perpendicular to the base main body and is integrally formed in an injection molding mode, the upper surface of the L-type copper bar terminal is exposed out of the base plastic main body and is in contact conduction with the adapter sleeve, and the base main body and the adapter sleeve are radially sealed;
the shielding ring and the shielding ring rubber core are fixed on the base main body through clamping jaws.
Preferably, the insulation gluing core is fixed in the plastic upper cover body through a plurality of buckling positions.
Preferably, the base body is provided with a groove in the cavity, so that the adapter sleeve is embedded into the groove, and sealing O-rings are respectively added between a fixing cylindrical surface or a groove of the L-type copper bar terminal assembly riveting nut sealing O-ring and the inner surface of the adapter sleeve and between the outer surface of the adapter sleeve and the inner surface of the cylindrical groove cylinder in the cavity of the base body to realize radial waterproof sealing, so that the unilateral sealing of the L-type copper bar terminal assembly and the base body is realized.
Preferably, the L-shaped copper bar terminal assembly at least comprises a L-shaped copper bar terminal and a riveting nut, and the L-shaped copper bar terminal and the riveting nut are fixed together in a riveting mode to form the L-shaped copper bar terminal assembly.
Preferably, the switching sheath and the L-type copper bar terminal assembly are in pressed contact and conduction with the end face of the switching sheath through a wiring harness locking bolt and a riveting nut, wherein the L-type copper bar section is in pressed contact and conduction with the end face of the switching sheath.
Preferably, the bottom of the shielding base is provided with a base sealing gasket, the base sealing gasket is provided with a plurality of annular sealing convex ribs, and the unilateral sealing of the base and the box body installation panel is realized.
Preferably, the upper cover and the base are fixed through a plurality of locking bolts, and the upper cover and the base are sealed through compressing the end face sealing ring.
Preferably, the upper cover shielding case is inserted with the shielding base in an embedded manner to realize 360-degree shielding sealing, and a plurality of elastic sheet contacts arranged around the upper cover shielding case are respectively contacted with the inner side of the shielding base and the shielding ring, so that the shielding loop between the shielding ring and the shielding base is switched on.
The utility model has the advantages that:
1. the utility model discloses in shield ring and the shielding base combination department of being connected with the pencil separate by base main part plastic and prevent to switch on, shell fragment contact all around by the upper cover shield cover respectively with the shield ring again, shielding base contact realizes connecting and switches on, this design can realize when the upper cover is opened pencil shielding and base shielding return circuit disconnection, pencil shielding and base shielding return circuit are closed when the upper cover is closed, the opening of upper cover and closed have played the effect of switch in shielding return circuit, the system can open with the power of closed state and to the terminal box and carry out to cut off and the closure through the upper cover of monitoring shielding return circuit's disconnection and closed detection terminal box, thereby can avoid the risk of maintenance personal electric shock when opening the terminal box upper cover effectively.
2. The utility model discloses well upper cover shield cover and shielding base side direction are inserted for the inserted type and close and realize 360 shielding seals, prevent to produce the shielding in upper and lower cover shielding combination department and reveal.
3. The utility model discloses in through increasing the switching sheath to between L type copper bar terminal subassembly riveting nut sealing washer O type fixed cylinder face or groove and switching sheath internal surface, increase sealed O type circle and convert the end face seal between L type copper bar terminal subassembly and the base main part into radial waterproof sealing between switching sheath surface and the cylindrical recess cylinder internal surface in base main part intracavity, thereby realize the unilateral sealing of L type copper bar terminal subassembly and base main part.
4. The utility model discloses the design of well base seal pad above has many annular to seal protruding muscle, and protruding muscle is located the shielding base respectively and exposes the both sides of bump and base main part bonding wire, realizes sealing the bonding wire through the protruding muscle of compression seal to realize that base and box installation panel are unilateral sealed.
5. The upper cover shield cover is clamped between the upper cover body and the insulating gluing core, and the insulating gluing core is fixed in the plastic upper cover body through a plurality of buckling positions, so that the plastic upper cover body, the insulating gluing core and the upper cover shield cover are effectively prevented from loosening as a whole body which is stable.
Drawings
Fig. 1 is a schematic view of the switch type single-side sealing high-pressure plastic junction box according to the present invention.
Fig. 2 is a schematic diagram of the structure of the base of the switch-type single-side sealing high-pressure plastic junction box of the present invention.
Fig. 3 is a schematic diagram of a transverse section of the switch type single-side sealing high-pressure plastic junction box of the present invention.
Fig. 4 is a schematic longitudinal section of the switch type single-side sealing high-pressure plastic junction box of the present invention.
Fig. 5 is a schematic structural view of L-shaped copper bar terminal assemblies in the switch-type single-side sealing high-pressure plastic junction box of the present invention.
Detailed Description
The utility model discloses the following will make further detail with the accompanying drawing:
referring to fig. 1 and 2, the utility model provides a switch-type single-side sealing high-pressure plastic junction box, which comprises an upper cover and a base, wherein the upper cover at least comprises a plastic upper cover body 1, an upper cover shielding case 2 and an insulating upper rubber core 3, the upper cover shielding case 2 is clamped between the upper cover body 1 and the insulating upper rubber core 3, a plurality of spring plate contacts for shielding contact are arranged around the upper cover shielding case 2, and the spring plate contacts protrude out of the upper cover and contact with the inner side of the shielding base;
the base at least comprises a switching sheath 4, a first sealing O-shaped ring 5, an L-shaped copper bar terminal assembly 6, an end face sealing ring 7, a base main body 8, a shielding base 9, a base sealing gasket 10, a shielding ring 11, a shielding ring rubber core 12 and a second sealing ring 15, wherein the shielding base 9 and the base main body 8 are molded into a whole by injection, at least two or more salient points are exposed out of a combining surface with the bottom surface of the base main body 8 and are used for shielding the base 9 and a box panel to be in shielding connection;
the L-shaped copper bar terminal assembly is perpendicular to the base main body 8 and is integrally formed in an injection molding mode, the upper surface of the L-shaped copper bar terminal assembly is exposed out of the base plastic main body 8 and is in contact conduction with the adapter sleeve 4, and the base main body 8 and the adapter sleeve 4 are radially sealed;
the shielding ring 11 and the shielding ring rubber core 12 are fixed on the base main body 8 through clamping jaws.
The insulating gluing core 3 is fixed in the plastic upper cover body 1 through a plurality of buckling positions.
The base body 8 is provided with a groove in the cavity, so that the adapter sleeve 4 is embedded into the groove, a second sealing ring 15 is additionally arranged between a sealing ring O-shaped ring fixing groove of a riveting nut 14 of the L type copper bar terminal assembly 6 and the inner surface of the adapter sleeve 4, and a first sealing O-shaped ring 5 is additionally arranged between the outer surface of the adapter sleeve 4 and the inner surface of a cylindrical groove cylinder in the cavity of the base body 8, so that the end face seal between the L type copper bar terminal assembly 6 and the base body 8 is converted into radial waterproof seal, and the unilateral seal between the L type copper bar terminal assembly 6 and the base body 8 is realized.
The L type copper bar terminal assembly 6 at least comprises a L type copper bar terminal 13 and a riveting nut 14, wherein the L type copper bar terminal 13 and the riveting nut 14 are fixed together in a riveting mode to form the L type copper bar terminal assembly 6, a fixing groove of a second sealing ring 15 on the riveting nut is higher than the upper surface of the L type copper bar terminal 13, the riveting nut 14 reduces sealing failure points for blind hole design, and the riveting nut 14 is externally polygonal to prevent the riveting nut 14 from rotating.
The switching sheath 4 and the L-shaped copper bar terminal assembly 6 are connected with the riveting nut 14 through a wiring harness locking bolt, so that the end faces of the switching sheath 4 and the L-shaped copper bar terminal 13 are pressed, contacted and conducted.
The bottom of the shielding base 9 is provided with a base sealing gasket 10, the base sealing gasket 10 is provided with a plurality of annular sealing convex ribs, the convex ribs are respectively positioned on two sides of the shielding base 9 where the exposed salient points and the base main body 8 are injection-molded, and the injection-molded joint line is sealed by compressing the sealing convex ribs, so that the base and the box body installation panel are sealed in a single side.
The upper cover and the base are fixed through a plurality of locking bolts, and the upper cover and the base are sealed through compressing the end face sealing ring.
The upper cover shielding case 2 and the shielding base 9 are laterally inserted and closed in an embedded manner to realize 360-degree shielding and sealing, and a plurality of elastic sheet contacts arranged around the upper cover shielding case 2 are respectively contacted with the inner side of the shielding base 9 exposed out of the junction surface in the cavity of the base body and the shielding ring 11 to realize the conduction of the shielding loop between the shielding ring 11 and the shielding base 9.
The utility model discloses an unilateral sealed plastic terminal box of switch formula, the opening of upper cover and the effect that the closed plays the switch in pencil shielding and base shielding return circuit, the system can open through the disconnection of monitoring shielding return circuit and the upper cover that the closed detection terminal box is closed and cut off and the closure with the closed state and carry out the power to the terminal box to can avoid the risk of maintenance personal electric shock when opening the terminal box upper cover effectively.
Adopt the unilateral sealed plastic terminal box of switch formula, base and box installation panel are unilateral sealed when dismantling upper cover maintenance or upper cover not hard up, reduce the risk of intaking in the battery box, can realize 360 shields, reduce the risk that the shielding leakage brought.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made according to the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (8)
1. A switch type single-side sealing high-voltage plastic junction box comprises an upper cover and a base, and is characterized in that the upper cover at least comprises a plastic upper cover body, an upper cover shielding cover and an insulating upper glue core, wherein the upper cover shielding cover is clamped between the upper cover body and the insulating upper glue core;
the base at least comprises a switching sheath, a sealing O-shaped ring, an L type copper bar terminal assembly, an end face sealing ring, a base main body, a shielding base, a base sealing gasket, a shielding ring and a shielding ring rubber core, wherein the shielding base and the base main body are integrally formed by injection molding, at least two or more salient points at the bottom of the shielding base are exposed out of a combining surface with the bottom surface of the base main body and are used for shielding the base and a box panel for shielding contact and conduction;
the L-type copper bar terminal assembly is perpendicular to the base main body and is integrally formed in an injection molding mode, the upper surface of the L-type copper bar terminal is exposed out of the base plastic main body and is in contact conduction with the adapter sleeve, and the base main body and the adapter sleeve are radially sealed;
the shielding ring and the shielding ring rubber core are fixed on the base main body through clamping jaws.
2. The switch type single-sided sealing high-voltage plastic terminal box according to claim 1, wherein the insulating rubber core is fixed in the plastic upper cover body through a plurality of fastening positions.
3. The switchable single-sided sealing high-pressure plastic junction box of claim 1, wherein the base body is configured to have the adapter sleeve inserted into the groove by providing the groove in the cavity, and further configured to have the sealing O-rings between the fixing cylindrical surface or groove of the L type copper bar terminal assembly rivet nut sealing O-ring and the inner surface of the adapter sleeve, and between the outer surface of the adapter sleeve and the inner surface of the cylindrical groove cylinder in the cavity of the base body to achieve a radial waterproof seal, thereby achieving a single-sided sealing of the L type copper bar terminal assembly and the base body.
4. The switch type single-sided sealing high-voltage plastic terminal box of claim 1, wherein the L-shaped copper bar terminal assembly comprises at least L-shaped copper bar terminals and a rivet nut, and the L-shaped copper bar terminals and the rivet nut are fixed together by riveting to form a L-shaped copper bar terminal assembly.
5. The switch type single-sided sealing high-voltage plastic terminal box according to claim 4, wherein the adapter sheath and the L-shaped copper bar terminal assembly are pressed and contacted with and conducted between the L-shaped copper bar terminal and the end surface of the adapter sheath through a wire harness locking bolt and the riveting nut.
6. The switch type single-side sealing high-pressure plastic junction box according to claim 4, wherein a base sealing gasket is arranged at the bottom of the shielding base, and a plurality of annular sealing ribs are arranged on the base sealing gasket to realize single-side sealing of the base and the box body mounting panel.
7. The switch type single-sided sealing high-pressure plastic junction box according to claim 1, wherein the upper cover and the base are fixed by a plurality of locking bolts, and the upper cover and the base are sealed by compressing an end face seal ring.
8. The switch type single-side sealing high-voltage plastic junction box according to claim 1, wherein the upper cover shielding cover and the shielding base are inserted in an embedded manner to realize 360-degree shielding sealing, and a plurality of elastic sheet contacts arranged around the upper cover shielding cover are respectively contacted with the inner side of the shielding base and the shielding ring to realize shielding loop conduction between the shielding ring and the shielding base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921725451.6U CN211018151U (en) | 2019-10-15 | 2019-10-15 | Switch type single-side sealing high-pressure plastic junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921725451.6U CN211018151U (en) | 2019-10-15 | 2019-10-15 | Switch type single-side sealing high-pressure plastic junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211018151U true CN211018151U (en) | 2020-07-14 |
Family
ID=71476821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921725451.6U Active CN211018151U (en) | 2019-10-15 | 2019-10-15 | Switch type single-side sealing high-pressure plastic junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211018151U (en) |
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2019
- 2019-10-15 CN CN201921725451.6U patent/CN211018151U/en active Active
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