CN107947071A - The shielding waterproof structure and installing and fixing method of a kind of high pressure junction box - Google Patents
The shielding waterproof structure and installing and fixing method of a kind of high pressure junction box Download PDFInfo
- Publication number
- CN107947071A CN107947071A CN201711371583.9A CN201711371583A CN107947071A CN 107947071 A CN107947071 A CN 107947071A CN 201711371583 A CN201711371583 A CN 201711371583A CN 107947071 A CN107947071 A CN 107947071A
- Authority
- CN
- China
- Prior art keywords
- junction box
- metallic shield
- shield ring
- cable
- shielding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/088—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings or inlets
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0015—Gaskets or seals
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cable Accessories (AREA)
- Connection Or Junction Boxes (AREA)
- Insertion, Bundling And Securing Of Wires For Electric Apparatuses (AREA)
Abstract
The invention discloses a kind of shielding waterproof structure and installing and fixing method, it is related to a kind of shielding waterproof structure and installing and fixing method mainly for high pressure junction box, it is intended to improve complicated existing for existing apparatus, assembling is not easy enough, the problems such as production cost is of a relatively high.Main points of the present invention include：Junction box（1）, metallic shield ring（2）, rubber washer（3）And cable clamp（4）, junction box（1）Line outlet is equipped with shielding cavity groove（5）, metallic shield ring（2）Tight lock is from shielding cavity groove（5）In on the cable that is pierced by, metallic shield ring（2）Outer ring is equipped with rubber washer（3）, metallic shield ring（2）And rubber washer（3）In shielding cavity groove（5）The interior integrated rock-steady structure of composition, cable clamp（4）It is clamped in rubber washer（3）Upper and and junction box（1）Line outlet connects, cable clamp（4）With the integrated rock-steady structure jointly by shielding cavity groove（5）Sealing.
Description
Technical field
The invention belongs to electric automobile field, is related to a kind of shielding waterproof structure and installing and fixing method, particularly one kind
The shielding waterproof structure and installing and fixing method of high pressure junction box.
Background technology
At present, high-voltage power cable line is that electric automobile whole runs indispensable part, due to high voltage power
Normal operation generation interference of the high voltage, high current passed through in cable easily to other parts of automotive interior, it is therefore, right
The quality of high-voltage line bulk shielding effect can directly affect the performance of electric automobile whole.High pressure junction box is as the electronic vapour of completion
The output of power battery high voltage power supply and assigned unit, carry out him good shielding and waterproofing design on car, can be easy and effective
Protection of the realization to branch electrical appliance, so as to improve the performance of electric automobile.
In the prior art, the shielding construction of high pressure junction box is made of a copper ring and a metal claw more, and structure is multiple
Miscellaneous and cost is higher, meanwhile, existing waterproof construction is to extrude rubber after being assembled by the plastic cord cable clip of two mutual cooperations
Gasket is completed, and being easy to lose waterproof effect because of the assemble sequence for getting cable clamp wrong in practical operation causes to do over again, and is increased
Human cost, packaging technology are also not simple and convenient enough.
The content of the invention
The goal of the invention of the present invention is：For above-mentioned problem, there is provided a kind of shielding waterproof of high pressure junction box
Structure, complicated existing for existing apparatus to improve, assembling is not easy enough, the problems such as production cost is of a relatively high.
The technical solution adopted by the present invention is as follows：
Including junction box, metallic shield ring, rubber washer and cable clamp, junction box line outlet is equipped with shielding cavity groove, metal screen
Ring is covered tightly to lock on the cable being pierced by from shielding cavity groove, metallic shield ring outer ring is equipped with rubber washer, metallic shield ring and
Rubber washer forms integrated rock-steady structure in shielding cavity groove, cable clamp be clamped on rubber washer and with junction box line outlet
Connection, cable clamp jointly seal shielding cavity groove with the integrated rock-steady structure.
Further, the metallic shield ring is the pipe clamp of c-type cylindrical structure, its axial open end is arranged with two arcs
Piece, its left and right longitudinal end are equipped with least one buckle.
Further, the metallic shield ring is tightly locked when on the cable, and described be stuck on cable carries out tightly
Gu the movable end of two arc-like sheets being arranged with closes up from both sides to centre, the c-type cylinder outer surface is close to,
Play the role of holding.
Further, the rubber washer and the cable are the flexible structures that outer surface has certain decrement.
Further, the cable outside diameter is more than the metallic shield ring internal diameter, the cable and the metallic shield
Ring is connected by being interference fitted；The metallic shield ring outside diameter is more than the rubber washer internal diameter, the metallic shield ring and institute
Rubber washer is stated to connect by being interference fitted.
Further, madial wall of the rubber washer with the cable clamp under metallic shield ring extruding fully connects
Touch.
Further, the cable clamp and the size of the junction box line outlet match, by being interference fitted close connection.
Further, the through hole for being provided with and being passed through for the cable is corresponded in the cable clamp and the shielding cavity groove, it is described
Clear size of opening matches with the cable linear dimension separated in the junction box.
Further, the through hole in the cable clamp and shielding cavity groove and the cable, metallic shield ring, rubber washer are same
Axis.
Present invention also offers a kind of installing and fixing method of the shielding waterproof structure of high pressure junction box, including：
Step 1：Metallic shield ring is installed by being interference fitted on the cable at junction box line outlet；
Step 2：Rubber washer is installed by being interference fitted in metallic shield ring outer ring；
Step 3：The shielding waterproof structure that metallic shield ring and rubber washer form is placed in shielding cavity groove；
Step 4：Cable clamp is clamped on rubber washer and is connected with the line outlet of junction box by being interference fitted so as to gold
The shielding waterproof structure for belonging to shading ring and rubber washer composition is fixed into row position.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1st, the component that the present invention uses is less, and the material of metallic shield ring is mostly copper, and the material of rubber washer is also common
Silicon rubber, it is economical and practical, saved the production cost of element well；
2nd, of the invention cable, metallic shield ring and rubber washer be by being interference fitted the rock-steady structure of being combined into one,
It can meet at the same time to being required of both shielding and waterproof.It is simple in structure, assemble convenient and efficient, optimize traditional to go out
Line mode, simplifies technological process, has saved human cost, avoids the situation for being likely to occur do over again in the prior art.
Brief description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
It is the sectional view of the shielding waterproof structure of high pressure junction box shown in Fig. 1；
It is the enlarged view in A-A ' regions in Fig. 1 shown in Fig. 2；
It is the front view of metallic shield ring shown in Fig. 3；
Fig. 4 is the right view of metallic shield ring shown in Fig. 3；
Marked in figure：1 is junction box；2 be metallic shield ring；3 be rubber washer；4 be cable clamp；5 be shielding cavity groove；21 be arc
Shape piece；22 be buckle.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
Any feature disclosed in this specification, unless specifically stated, can be equivalent by other or with similar purpose
Alternative features are replaced.I.e., unless specifically stated, each feature is an example in a series of equivalent or similar characteristics
.
The present invention is by a kind of installing and fixing method simple to operation, by the shielding waterproof structure of optimization in high pressure separated time
It is fixed on box, to meet, to requiring of both the shielding of junction box cable and waterproof, to specifically include at the same time：
Step 1：By being interference fitted installation metallic shield ring 2 on the cable at 1 line outlet of junction box；
Step 2：Rubber washer 3 is installed by being interference fitted in 2 outer ring of metallic shield ring；
Step 3：The shielding waterproof structure that metallic shield ring 2 and rubber washer 3 form is placed in shielding cavity groove 5；
Step 4：Cable clamp 4 is clamped on rubber washer 3 and is connected with the line outlet of junction box 1 by being interference fitted so as to right
The shielding waterproof structure that metallic shield ring 2 and rubber washer 3 form is fixed into row position.
The device embodiment of the present invention as shown in Figure 1, pacify according to the method described above in figure on the junction box in A-A ' regions
Dress secures the shielding waterproof structure of optimization, its enlarged drawing is as shown in Fig. 2, including junction box 1, metallic shield ring 2, rubber washer
3 and cable clamp 4,1 line outlet of junction box is equipped with shielding cavity groove 5, and tightly lock is being pierced by metallic shield ring 2 from shielding cavity groove 5
On cable, 2 outer ring of metallic shield ring is equipped with rubber washer 3, metallic shield ring 2 and rubber washer 3 composition in shielding cavity groove 5
Integrated rock-steady structure, cable clamp 4 are clamped on rubber washer 3 and are connected with 1 line outlet of junction box, cable clamp 4 and described one
Body rock-steady structure jointly seals shielding cavity groove 5.
The metallic shield ring 2 is the pipe clamp of c-type cylindrical structure, its axial open end is arranged with two arc-like sheets 21,
Its left and right longitudinal end is equipped with least one buckle 22；The metallic shield ring 2 is tightly locked when on the cable, the buckle 22
It is stuck on cable and is fastened, the movable end of two arc-like sheets 21 being arranged with closes up from both sides to centre, is close to
In the outer surface of the c-type cylinder, play the role of holding.In a more specific embodiment, as shown in Figure 3 and Figure 4, metal
The left and right longitudinal end of shading ring 2 is equipped with three buckles 22 so that metallic shield ring 2 and the connection of cable more fasten, and golden
Belong to shading ring 2 to be made of material with the common copper easily obtained, the production is simple and convenient, can control production cost well.
The rubber washer 3 and the cable are the flexible structures that outer surface has certain decrement.At one more
In specific embodiment, rubber washer 3 uses common silicon rubber waterproof washer, its material is simple, and water-proof sealing is good, price
It is very cheap.
In one more specific embodiment, the cable outside diameter is more than 2 internal diameter of metallic shield ring, the electricity
Cable is connected with the metallic shield ring 2 by being interference fitted；2 outside diameter of metallic shield ring is more than in the rubber washer 3
Footpath, the metallic shield ring 2 are connected with the rubber washer 3 by being interference fitted.Due to being installed using interference fit
It is fixed, it is completely embedded between rubber washer 3, metallic shield ring 2 and cable three firmly, constitutes a stable entirety, is tied
Structure is compacter and simple to operation, avoids the possibility for causing to do over again because of the mistake of erection sequence, saved manpower into
This.
The rubber washer 3 comes into full contact with the metallic shield ring 2 extruding with the madial wall of the cable clamp 4.Institute
State in cable clamp 4 and the shielding cavity groove 5 the corresponding through hole for being provided with and being passed through for the cable, the clear size of opening with described point
The cable linear dimension separated in wire box 1 matches.
In embodiment as shown in Figure 2, cable and the through hole ruler in cable clamp 4 and shielding cavity groove 5 that junction box 1 separates
Very little to match, cable is passed through from shielding cavity groove 5 and the through hole of cable clamp 4 successively；Its in shielding cavity groove 5 with metallic shield
The rock-steady structure of 3 being combined into one of ring 2 and rubber washer, cable clamp 4 are clamped on rubber washer 3 and go out with junction box 1
Line mouth is connected by being interference fitted, and the position of the shielding waterproof structure formed to metallic shield ring 2 and rubber washer 3 is fixed
While shielding cavity groove 5 is fully sealed, play the role of of both shielding and waterproof, not only having ensure that shielding waterproof effect but also simple
Change structure, save cost.In a preferred embodiment, through hole and the electricity in the cable clamp 4 and shielding cavity groove 5
Cable 1, metallic shield ring 2, rubber washer 3 are coaxial, and shielding construction is more stable, and shield effectiveness is more preferable.
The invention is not limited in foregoing embodiment.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (10)
1. a kind of shielding waterproof structure of high pressure junction box, it is characterised in that including junction box（1）, metallic shield ring（2）, rubber
Rubber gasket（3）And cable clamp（4）, junction box（1）Line outlet is equipped with shielding cavity groove（5）, metallic shield ring（2）Tight lock is from screen
Cover chamber groove（5）In on the cable that is pierced by, metallic shield ring（2）Outer ring is equipped with rubber washer（3）, metallic shield ring（2）And rubber
Rubber gasket（3）In shielding cavity groove（5）The interior integrated rock-steady structure of composition, cable clamp（4）It is clamped in rubber washer（3）Above and with dividing
Wire box（1）Line outlet connects, cable clamp（4）With the integrated rock-steady structure jointly by shielding cavity groove（5）Sealing.
A kind of 2. shielding waterproof structure of high pressure junction box according to claim 1, it is characterised in that the metallic shield
Ring（2）For the pipe clamp of c-type cylindrical structure, its axial open end is arranged with two arc-like sheets（21）, its left and right longitudinal end is equipped with
At least one buckle（22）.
A kind of 3. shielding waterproof structure of high pressure junction box according to claim 2, it is characterised in that the metallic shield
Ring（2）Tightly lock when on the cable, the buckle（22）It is stuck on cable and is fastened, two be arranged with
Arc-like sheet（21）Movable end close up from both sides to centre, be close to the outer surface of the c-type cylinder, play the role of holding.
A kind of 4. shielding waterproof structure of high pressure junction box according to claim 1, it is characterised in that the rubber washer
（3）It is the flexible structure that outer surface has certain decrement with the cable.
5. the shielding waterproof structure of a kind of high pressure junction box according to claim 4, it is characterised in that outside the cable
Footpath is more than the metallic shield ring（2）Internal diameter, the cable and the metallic shield ring（2）Connected by being interference fitted；Institute
State metallic shield ring（2）Outside diameter is more than the rubber washer（3）Internal diameter, the metallic shield ring（2）With the rubber washer（3）
Connected by being interference fitted.
A kind of 6. shielding waterproof structure of high pressure junction box according to claim 5, it is characterised in that the rubber washer
（3）In the metallic shield ring（2）Extrude the lower and cable clamp（4）Madial wall come into full contact with.
A kind of 7. shielding waterproof structure of high pressure junction box according to claim 6, it is characterised in that the cable clamp
（4）With the junction box（1）The size of line outlet matches, by being interference fitted close connection.
A kind of 8. shielding waterproof structure of high pressure junction box according to claim 7, it is characterised in that the cable clamp
（4）With the shielding cavity groove（5）Interior correspondence is provided with the through hole passed through for the cable, the clear size of opening and the junction box
（1）In the cable linear dimension that separates match.
A kind of 9. shielding waterproof structure of high pressure junction box according to claim 8, it is characterised in that the cable clamp
（4）With shielding cavity groove（5）Interior through hole and the cable, metallic shield ring（2）, rubber washer（3）Coaxially.
A kind of 10. installing and fixing method of the shielding waterproof structure of high pressure junction box, it is characterised in that including：
Step 1：In junction box（1）Metallic shield ring is installed by being interference fitted on cable at line outlet（2）；
Step 2：In metallic shield ring（2）Rubber washer is installed by being interference fitted in outer ring（3）；
Step 3：By metallic shield ring（2）And rubber washer（3）The shielding waterproof structure of composition is placed in shielding cavity groove（5）In；
Step 4：By cable clamp（4）It is clamped in rubber washer（3）Upper and and junction box（1）Line outlet pass through be interference fitted connection
So as to metallic shield ring（2）And rubber washer（3）The shielding waterproof structure of composition is fixed into row position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711371583.9A CN107947071B (en) | 2017-12-19 | 2017-12-19 | Shielding waterproof structure of high-voltage junction box and mounting and fixing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711371583.9A CN107947071B (en) | 2017-12-19 | 2017-12-19 | Shielding waterproof structure of high-voltage junction box and mounting and fixing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107947071A true CN107947071A (en) | 2018-04-20 |
| CN107947071B CN107947071B (en) | 2023-09-19 |
Family
ID=61941205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711371583.9A Active CN107947071B (en) | 2017-12-19 | 2017-12-19 | Shielding waterproof structure of high-voltage junction box and mounting and fixing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107947071B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504647A (en) * | 2018-05-18 | 2019-11-26 | 北京铂阳顶荣光伏科技有限公司 | A kind of cable retention clip and cable fixing means |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107947071B (en) | 2023-09-19 |
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