CN110137875A - Water-tight device and power distribution unit - Google Patents

Water-tight device and power distribution unit Download PDF

Info

Publication number
CN110137875A
CN110137875A CN201910387791.0A CN201910387791A CN110137875A CN 110137875 A CN110137875 A CN 110137875A CN 201910387791 A CN201910387791 A CN 201910387791A CN 110137875 A CN110137875 A CN 110137875A
Authority
CN
China
Prior art keywords
base portion
peripheral base
garter spring
pressing plate
interconnecting piece
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.)
Pending
Application number
CN201910387791.0A
Other languages
Chinese (zh)
Inventor
胡金奎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KUNSHAN CHANGYING PRECISION TECHNOLOGY Co Ltd
Original Assignee
KUNSHAN CHANGYING PRECISION TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by KUNSHAN CHANGYING PRECISION TECHNOLOGY Co Ltd filed Critical KUNSHAN CHANGYING PRECISION TECHNOLOGY Co Ltd
Priority to CN201910387791.0A priority Critical patent/CN110137875A/en
Publication of CN110137875A publication Critical patent/CN110137875A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/08Distribution boxes; Connection or junction boxes
    • H02G3/088Dustproof, splashproof, drip-proof, waterproof, or flameproof casings or inlets

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

A kind of water-tight device, including pressing plate, the waterproof jacket and screw that are placed on the inside of the pressing plate, the waterproof jacket include the peripheral base portion for being tightly attached to the pressing plate inner surface, the garter spring extended to form from the peripheral base portion, the connection peripheral base portion and the garter spring interconnecting piece and pass through the through-hole of the peripheral base portion, interconnecting piece and garter spring, the pressing plate is equipped with the perforation of the corresponding through-hole, and the through-hole is located at the aperture size that the aperture size at the peripheral base portion and the interconnecting piece is less than at the garter spring;The application also provides a kind of power distribution unit.

Description

Water-tight device and power distribution unit
Technical field
This application involves waterproof connection area, espespecially a kind of water-tight device and power distribution unit.
Background technique
In new-energy automobile, electrical energy drive automobilism is mainly used, the distribution of electric energy is managed concentratedly, As a result, there are the component of this centralized processing electric power distribution of power distribution unit in new-energy automobile, power distribution unit is stringent It is required that waterproof, but it is generally electrically connected using water-proof connector there are many electricity interfaces.Meanwhile electric power distribution list Member is also needed the power transmission of battery module through tab to inside it, and how the connection of tab realizes that waterproof is more tired Difficulty is not enough to waterproof using conventional protective cover, and it is necessary to provide a kind of tab water-tight devices as a result, to avoid power distribution list Member water inlet.
Summary of the invention
In consideration of it, it is necessary to provide a kind of water-tight device and power distribution unit, with the power distribution list to access tab Member carries out waterproof setting.
In order to solve the above technical problems, this application provides a kind of water-tight device, including pressing plate, it is placed on the inside of the pressing plate Waterproof jacket and screw, the waterproof jacket includes the peripheral base portion for being tightly attached to the pressing plate inner surface, prolongs from the peripheral base portion It stretches the garter spring to be formed, the interconnecting piece of the connection peripheral base portion and the garter spring and passes through the peripheral base portion, interconnecting piece and hoop The through-hole of ring, the pressing plate are equipped with the perforation of the corresponding through-hole, and the through-hole is located at the peripheral base portion and the interconnecting piece The aperture size at place is less than the aperture size at the garter spring.
Preferably, the water-tight device is fixed on a shell, and the peripheral base portion of the waterproof jacket is located at the shell Outer surface and in being held on by the pressing plate and the shell, the interconnecting piece and garter spring extend into the case inside.
Preferably, it is arranged with a connection piece in the perforation and the through-hole, the connector is at the garter spring by institute It states waterproof jacket and closely binds round and hold with waterproof.
Preferably, the waterproof jacket is manufactured using silica gel material.
Preferably, the internal diameter of the garter spring is less than the external dimensions of the connector, and the garter spring is in length direction It is equipped with the first, second bulge loop, first, second bulge loop is closely bound round with the connector to be held.
Preferably, the interior peripheral base portion described without leave of the interconnecting piece from large to small, extends in horn-like structure.
In order to solve the above technical problems, present invention also provides a kind of power distribution unit, including shell, the insertion shell Intracorporal connector and water-tight device, the water-tight device include pressing plate, the waterproof jacket being placed on the inside of the pressing plate, screw and set In in the shell and inner splint that is corresponding with the pressing plate and being fixed together by the screw, the waterproof jacket includes folder It is held in the peripheral base portion of the pressing plate inner surface and the housing outer surface, to extend to the shell from the peripheral base portion intracorporal Garter spring, the interconnecting piece for connecting the peripheral base portion and the garter spring and the through-hole for passing through the peripheral base portion, interconnecting piece and garter spring, The pressing plate is equipped with the perforation of the corresponding through-hole, and the through-hole is located at the aperture ruler at the peripheral base portion and the interconnecting piece The very little aperture size less than at the garter spring.
Preferably, the internal diameter of the garter spring is less than the external dimensions of the connector, and the garter spring is in length direction It is equipped with the first, second bulge loop, first, second bulge loop is closely bound round with the connector to be held.
Preferably, the interior peripheral base portion described without leave of the interconnecting piece from large to small, extends in horn-like structure, described interior Clamping plate corresponds to the interconnecting piece and passes through position equipped with inclined hole, and the inside edge inclination of the inclined hole supports the outer of the interconnecting piece Edge.
Preferably, the perforation medial surface of the connector and the pressing plate is packed into marine glue.
The water-tight device and power distribution unit of the application is by setting waterproof jacket, then pressing plate is crimped on the waterproof jacket Outside, make the connector pass through the waterproof jacket to enter in the power distribution unit, the company is then held by waterproof cuff Fitting realizes waterproof.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the perspective view of the application power distribution unit;
Fig. 2 is the three-dimensional combination figure of the application water-tight device;
Fig. 3 is the stereogram exploded view of the application water-tight device;
Fig. 4 is the cross-sectional view along B-B dotted line shown in Fig. 2;
Fig. 5 is the cross-sectional view along A-A dotted line shown in Fig. 1.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the application specific embodiment and Technical scheme is clearly and completely described in corresponding attached drawing.
Refering to Figure 1, the application power distribution unit includes shell 10, passes through the shell 10 to the power supply point With the tab 30 inside unit and it is placed on the water-tight device 20 tab 30 periphery and cooperated with the shell 10.
Please continue to refer to shown in Fig. 2 to Fig. 4, the water-tight device 20 includes pressing plate 21, is placed in 21 inside of pressing plate Waterproof jacket 23 and screw 24.
The pressing plate 21 include plate body 211, through the plate body 211 perforation 212 and it is several be set to the plate body 211 on Screw hole (not labeled).Smooth surface of the plate body 211 towards 23 side of waterproof jacket.
The waterproof jacket 23 is made of silica gel material, including be tightly attached to 211 surface of plate body peripheral base portion 232, Garter spring 233, the connection peripheral base portion 232 and 233 interconnecting piece 234 of garter spring extended to form from the peripheral base portion 232 And pass through the through-hole 231 of the peripheral base portion 232, interconnecting piece 234 and garter spring 233.
212 connection of perforation of the through-hole 231 and the pressing plate 21, and the through-hole 231 is located at the peripheral base portion 232 Aperture at position is greater than the aperture of the perforation 212.231 aperture of through-hole that the interconnecting piece 234 goes out gradually becomes smaller until institute It states at 233 position of garter spring.Inwardly protruded bulge loop 235,236 there are two being set on the garter spring 233.
Please continue to refer to shown in Fig. 5, the water-tight device 20 is fixed on the shell 10, the shell 10 be equipped with 212 pore structures corresponding with the through-hole 231 of the perforation.Inner splint 22, the inner splint are additionally provided on the inside of the shell 10 22 is corresponding with the pressing plate 21.
The peripheral base portion 232 of the waterproof jacket 23 is held between the pressing plate 21 and the outer surface of the shell 10, institute State interconnecting piece 234 pass through the shell 10 pore structure enter the shell 10 inside.It is equipped among the inner splint 22 for institute State the inclined hole that interconnecting piece 234 passes through, the periphery of interconnecting piece 234 described in the medial surface holding of the inclined hole.
One connector 30, such as battery pole ear, pass through the pressing plate 21 perforation 212 and waterproof jacket 23 through-hole 231 into Enter inside the power distribution unit to transmit electric energy.The peripheral base portion for making the waterproof jacket 23 is tightened by the screw 24 232 are held between 10 outer surface of the pressing plate 21 and the shell.The inner splint 22 is located at 10 inside of shell and institute It states the fastening of screw 24 and realizes better chucking power, in the case where the shell 10 is sufficiently solid, the inner splint 22 can also be with It saves.
The internal diameter of the garter spring 233 is less than the outside dimension of the connector 30, when the connector 30 insertion, institute The bulge loop 235,236 for stating garter spring 233 only binds round the outer surface realization waterproof for holding the connector 30.The connector 30 with it is described Gap filling marine glue 25 between pressing plate 21 is located at the connector 30 in the perforation 212 and constitutes first layer waterproof knot Structure, the garter spring 233 form second layer waterproof construction.
The water-tight device and power distribution unit of the application is by setting waterproof jacket 23, then pressing plate 21 is crimped on described anti- Outside water jacket 23, so that the connector 30 is passed through the waterproof jacket 23 and enter in the power distribution unit, then pass through waterproof jacket 23 hoops hold the connector 30 and realize waterproof.
The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal Replacement, improvement etc., should be included within the scope of the claims of this application.

Claims (10)

1. a kind of water-tight device, which is characterized in that described anti-including pressing plate, the waterproof jacket and screw that are placed on the inside of the pressing plate Water jacket includes the peripheral base portion for being tightly attached to the pressing plate inner surface, the garter spring extended to form from the peripheral base portion, described in connection The interconnecting piece of peripheral base portion and the garter spring and the through-hole for passing through the peripheral base portion, interconnecting piece and garter spring, the pressing plate are equipped with The perforation of the corresponding through-hole, the through-hole are located at the aperture size at the peripheral base portion and the interconnecting piece and are less than the hoop Aperture size at ring.
2. water-tight device as described in claim 1, which is characterized in that the water-tight device is fixed on a shell, described anti- The peripheral base portion of water jacket is located at the outer surface of the shell and is held on interior, the interconnecting piece by the pressing plate and the shell And garter spring extends into the case inside.
3. water-tight device as claimed in claim 2, which is characterized in that be arranged with a connection in the perforation and the through-hole Part, the connector are closely bound round by the waterproof jacket at the garter spring and hold with waterproof.
4. water-tight device as claimed in claim 3, which is characterized in that the waterproof jacket is manufactured using silica gel material.
5. water-tight device as claimed in claim 4, which is characterized in that the internal diameter of the garter spring is less than the connector External dimensions, the garter spring are equipped with the first, second bulge loop, first, second bulge loop and the connector in the longitudinal direction Close hoop is held.
6. water-tight device as claimed in claim 5, which is characterized in that the interior peripheral base portion described without leave of the interconnecting piece is by big Become smaller, extends in horn-like structure.
7. a kind of power distribution unit, which is characterized in that including shell, it is inserted into the intracorporal connector of the shell and water-tight device, The water-tight device include pressing plate, the waterproof jacket being placed on the inside of the pressing plate, screw and be placed in the shell and with the pressure Inner splint plate correspondence and be fixed together by the screw, the waterproof jacket include being held on the pressing plate inner surface and institute It states the peripheral base portion of housing outer surface, extend to the intracorporal garter spring of the shell, the connection peripheral base portion from the peripheral base portion With the interconnecting piece of the garter spring and pass through the through-hole of the peripheral base portion, interconnecting piece and garter spring, the pressing plate be equipped with it is corresponding described in The perforation of through-hole, the through-hole are located at the hole that the aperture size at the peripheral base portion and the interconnecting piece is less than at the garter spring Diameter size.
8. power distribution unit as claimed in claim 7, which is characterized in that the internal diameter of the garter spring is less than the connection The external dimensions of part, the garter spring are equipped with the first, second bulge loop, first, second bulge loop and the company in the longitudinal direction Fitting closely binds round and holds.
9. power distribution unit as claimed in claim 8, which is characterized in that the interior peripheral base portion described without leave of the interconnecting piece From large to small, in horn-like structure extend, the inner splint correspond to the interconnecting piece pass through position be equipped with inclined hole, the inclined hole Inside edge tilts the outer rim for supporting the interconnecting piece.
10. power distribution unit as claimed in claim 7, which is characterized in that in the perforation of the connector and the pressing plate Side is packed into marine glue.
CN201910387791.0A 2019-05-10 2019-05-10 Water-tight device and power distribution unit Pending CN110137875A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910387791.0A CN110137875A (en) 2019-05-10 2019-05-10 Water-tight device and power distribution unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910387791.0A CN110137875A (en) 2019-05-10 2019-05-10 Water-tight device and power distribution unit

Publications (1)

Publication Number Publication Date
CN110137875A true CN110137875A (en) 2019-08-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910387791.0A Pending CN110137875A (en) 2019-05-10 2019-05-10 Water-tight device and power distribution unit

Country Status (1)

Country Link
CN (1) CN110137875A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112152173A (en) * 2020-08-31 2020-12-29 衡阳和众信息技术有限责任公司 Branch box for network engineering convenient to it is categorised

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201149877Y (en) * 2008-01-28 2008-11-12 苏州星恒电源有限公司 Battery electrode drawing-off sealing structure
CN201584242U (en) * 2009-09-08 2010-09-15 上海金亭汽车线束有限公司 Harness rubber protective cover with iron ring
CN204068182U (en) * 2014-09-03 2014-12-31 上海柏宜照明电子有限公司 A kind of Waterproof connector of cable
CN204464334U (en) * 2015-01-05 2015-07-08 惠州亿纬锂能股份有限公司 A kind of black box and comprise the lithium battery of sealing assembly
WO2017109172A1 (en) * 2015-12-25 2017-06-29 Renata Ag Battery sealing device
CN206498624U (en) * 2017-01-10 2017-09-15 深圳市科思科技股份有限公司 A kind of waterproof plug sealing structure
CN206931760U (en) * 2017-06-22 2018-01-26 翔耀电子(深圳)有限公司 For connection cables and the waterproof plug of connector
CN207353577U (en) * 2017-08-30 2018-05-11 杭州全盛机电科技有限公司 Slip ring conducting wire waterproof anti-loose structure

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201149877Y (en) * 2008-01-28 2008-11-12 苏州星恒电源有限公司 Battery electrode drawing-off sealing structure
CN201584242U (en) * 2009-09-08 2010-09-15 上海金亭汽车线束有限公司 Harness rubber protective cover with iron ring
CN204068182U (en) * 2014-09-03 2014-12-31 上海柏宜照明电子有限公司 A kind of Waterproof connector of cable
CN204464334U (en) * 2015-01-05 2015-07-08 惠州亿纬锂能股份有限公司 A kind of black box and comprise the lithium battery of sealing assembly
WO2017109172A1 (en) * 2015-12-25 2017-06-29 Renata Ag Battery sealing device
CN206498624U (en) * 2017-01-10 2017-09-15 深圳市科思科技股份有限公司 A kind of waterproof plug sealing structure
CN206931760U (en) * 2017-06-22 2018-01-26 翔耀电子(深圳)有限公司 For connection cables and the waterproof plug of connector
CN207353577U (en) * 2017-08-30 2018-05-11 杭州全盛机电科技有限公司 Slip ring conducting wire waterproof anti-loose structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112152173A (en) * 2020-08-31 2020-12-29 衡阳和众信息技术有限责任公司 Branch box for network engineering convenient to it is categorised

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Application publication date: 20190816