CN102394439B - Power supply expansion plate being free of short circuit in the case of water seepage - Google Patents
Power supply expansion plate being free of short circuit in the case of water seepage Download PDFInfo
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- CN102394439B CN102394439B CN 201110363652 CN201110363652A CN102394439B CN 102394439 B CN102394439 B CN 102394439B CN 201110363652 CN201110363652 CN 201110363652 CN 201110363652 A CN201110363652 A CN 201110363652A CN 102394439 B CN102394439 B CN 102394439B
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- jack
- upper shell
- jack base
- short circuit
- elastic contact
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Abstract
The invention provides a power supply expansion plate being free of short circuit in the case of water seepage. The power supply expansion plate comprises an upper shell body, a lower shell body and jack seats. The upper shell body is provided with at least a set of jack seat unit which is in injection moulding integration with the upper shell body. The lower shell body is provided with a connection seat which is in cooperation with an upper shell body jack seat. A connection base groove is provided with an electrode conducting strip which is electrically connected with an external lead. A jack seat lower end face and a connection seat upper end face clamp an elastic contact piece closely. Space is provided between the elastic contact piece and the electrode conducting strip. A jack seat jack sidewall close to an elastic contact piece upper end face is provided with a scupper. The scupper is led out through a flexible pipe to connect with a scupper of an upper shell sidewall. A jack top sidewall is provided with a projection piece. A junction of the upper shell body and the lower shell body is provided with a seal washer. The invention has the characteristics of simple structure, low manufacture cost, anti-creep, anti-seepage and good safety performance.
Description
Technical field
The present invention relates to a kind of expansion board of power source, especially relate to the expansion board of power source that a kind of infiltration can short circuit.
Background technology
Expansion board of power source is to be used for realizing by the insertion of external plug the electric equipment products of electrical connection in daily life, and in use, people often can encounter the environment that water is arranged, or because of carelessness water is sprinkled to expansion board of power source the generation that causes the accident.So, the technical staff has developed the expansion board of power source with water-proof function, these waterproof power expansion boards are equipped with waterproof cover outside socket, anti-sealing penetrates in socket aperture, some expansion board of power source is provided with sealing ring outside socket aperture, in the time of in the plug insertion socket hole, make between plug and socket and play sealing function.In existing these technology, can't really reach the effect of waterproof, if do not cover waterproof cover, or plug and socket contact-making surface imprecision, sealing does not enclose waterproof action, the capital causes inner each parts of socket moist, when switching on power, easily produces short circuit and initiation fire or electric shock accidents.
Summary of the invention
The objective of the invention is for existing deficiency, provide a kind of simple in structure, also can not cause the expansion board of power source of short circuit after water leaking-in in socket aperture.
the technical solution adopted for the present invention to solve the technical problems is: the expansion board of power source that a kind of infiltration can short circuit, comprise upper shell, lower house, jack base, described upper shell is provided with the jack base unit with at least one group of its injection mo(u)lding one, described lower house is provided with the junction block that coordinates with the upper shell jack base, be provided with the electrodes conduct sheet in the junction block groove, the electrodes conduct sheet is with external wire and is electrically connected to, elastic contact blade is gripped in described jack base lower surface and junction block upper surface, leave the space between described elastic contact blade and electrodes conduct sheet, the close elastic contact blade of described jack base jack sidewall upper surface is provided with osculum, osculum is drawn with the apopore of upper shell sidewall through flexible pipe and is connected, jack top sidewall is provided with the prominent part of protrusion, upper shell and lower house joint are provided with seal washer.
What described upper shell was provided with that the jack base of the jack base of one group of firewire jack and zero line jack forms two inserts the jack base unit, or the jack base that is provided with the jack base of jack base, zero line jack of one group of firewire jack and ground wire jack form three insert the jack base unit, or be provided with and insert jack base unit and three by some groups two and insert the jack base unit that the jack base unit forms.
Described junction block and lower house injection mo(u)lding one.
Described electrodes conduct sheet is in screw is fixed on the junction block groove, and electrodes conduct sheet one end stretches out junction block and connects wire outward.
Described elastic contact blade is to be annotated to close by sheet metal and elastomeric material to form, and elastomeric material is that high temperature resistant elastomeric material is made.
The sheet metal peripheral planar of described elastic contact blade is provided with groove, and outwards slightly heave on two sides, sheet metal center, heaves part and exposes outside elastomeric material, and the sheet metal surrounding is annotated and is combined in elastomeric material.
Described upper shell and lower house abutting end are lining with seal washer, fix through screw, and screw is provided with the waterproof sealing pad, and screw is provided with waterproof skin plug outward.
Described external wire and housing junction are provided with sealing ring.
Between upper shell of the present invention and lower house, joint is provided with sealing ring, be provided with elastic contact blade in the jack base jack, completely cut off extraneous moisture to the infiltration of power extension intralamellar part, enter and discharge outside housing the osculum of water in jack in jack, there is not the situation of bearing water in jack, can not cause the generation of power supply short circuit accident because of the immersion of water, play waterproof effect.Leave certain space between elastic contact blade in jack and electrodes conduct sheet, elastic contact blade is not contacted with the electrodes conduct sheet, in jack, elastic contact blade is not charged, also can not cause electric shock even foreign matter enters in jack, only have plug firmly to insert lower time, plug two electrodes press sheet metal and electrodes conduct sheet tactile the closing mutually in elastic contact blade, just make current lead-through, when plug was extracted, elastic contact blade separated with the electrodes conduct sheet under the effect of elastic force, reaches the purpose of peaceful protection against electric shock.Advantage of the present invention is: simple in structure, and low cost of manufacture, safe water resistance is good.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of A-A section in Fig. 1 of the present invention.
Fig. 3 is upper-lower casing stereo decomposing structural representation of the present invention.
Fig. 4 is B-B elastic contact blade cross-sectional view in Fig. 3 of the present invention.
Fig. 5 is perspective view of the present invention.
in figure: 1. upper shell, 101. apopore, 2. lower house, 3. jack base, 301. osculum, 302. prominent part, 303. jack, 304. jack base lower surface, 4. elastic contact blade, 401. elastomeric material, 402. sheet metal, 403. groove, 404. sheet metal is heaved part, 5. junction block, 501. junction block upper surface, 6. electrodes conduct sheet, 601. screw, 602. electrodes conduct sheet one end, 7. seal washer, 8. sealing ring, 9. wire, 10. flexible pipe, 11. screw, 1101. gasket seal, 1102. waterproof skin plug, 12. two insert the jack base unit, 13. three insert the jack base unit.
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Embodiment
As shown in Fig. 1-5, a kind of infiltration can short circuit expansion board of power source, comprise upper shell 1, lower house 2, jack base 3, described upper shell 1 is provided with the jack base Unit 3 with at least one group of its injection mo(u)lding one, and what the jack base of two jack bases of inserting jack base unit 12 and two groups of firewire jacks that the present embodiment upper shell 1 is provided with that jack base with the jack base of one group of firewire jack of its injection mo(u)lding one and zero line jack forms, the jack base of zero line jack and ground wire jack formed three inserts jack base unit 13.described lower house 2 is provided with the junction block 5 that coordinates with each unit jack base of upper shell, described junction block 5 and lower house 2 injection mo(u)lding one, be provided with electrodes conduct sheet 6 in the junction block groove, the electrodes conduct sheet is in screw 601 is fixed on the junction block groove, electrodes conduct sheet one end 602 stretches out to be with external wire 9 outside junction block 5 and is electrically connected to, elastic contact blade 4 is gripped with junction block upper surface 501 in described jack base lower surface 304, make elastic contact blade seal jack base jack 303, having infiltrated water in jack can inwardly not flow into yet, elastic contact blade 4 is made for high temperature resistant elastomeric material, sheet metal 402 is combined with elastomeric material 401 notes, sheet metal is that the copper product that conducts electricity very well is stamped to form, the sheet metal peripheral planar is provided with groove 403, groove is annotated elastomeric material and sheet metal to unify better, outwards slightly heave at center, sheet metal two sides, the two sides is heaved part 404 and is exposed outside elastomeric material 401, exposed portions serve can contact with plug two electrodes and electrodes conduct sheet 6, the sheet metal surrounding is annotated and is combined in elastomeric material, leave the space between described elastic contact blade 4 lower ends and electrodes conduct sheet 6, elastic contact blade is not contacted with the electrodes conduct sheet, in jack, elastic contact blade is not charged, even entering in jack, foreign matter can not cause electric shock yet, only have plug firmly to insert lower time, plug two electrodes press sheet metal in elastic contact blade to be heaved part 404 and touches mutually with electrodes conduct sheet 6 and close, make current lead-through, when plug is extracted, elastic contact blade 4 separates with electrodes conduct sheet 6 under the effect of elastic force, play the safeguard protection effect.The close elastic contact blade of described jack base jack 303 sidewalls upper surface is provided with osculum 301, the osculum of the jack base of each homopolarity is connected through flexible pipe 10, flexible pipe is connected with the apopore 101 that the upper shell two side is provided with, after water leaking-in in jack, water flows out outside housing from osculum, there is not the situation of bearing water in jack 303, can not enter in housing by water yet.Jack base jack top sidewall is provided with the prominent part 302 of protrusion, tightly props up the plug electrode sheet when plug is inserted, and does not make it loosening.Upper shell 1 is provided with seal washer 7 with lower house 2 joints, and upper shell and lower house are fixed through screw 11, and screw is provided with waterproof sealing pad 1101, and screw is provided with waterproof skin plug 1102 outward, and described external wire and housing junction are provided with sealing ring 8.The present invention has completely cut off extraneous moisture to the infiltration of power extension intralamellar part, is immersed in water as expansion board of power source and also can cause short circuit, has reached the purpose of peaceful waterproof.
Claims (8)
1. the expansion board of power source that an infiltration can short circuit, comprise upper shell, lower house, jack base, it is characterized in that: described upper shell is provided with the jack base unit with at least one group of its injection mo(u)lding one, described lower house is provided with the junction block that coordinates with the upper shell jack base, be provided with the electrodes conduct sheet in the junction block groove, the electrodes conduct sheet is with external wire and is electrically connected to, elastic contact blade is gripped in described jack base lower surface and junction block upper surface, leave the space between described elastic contact blade and electrodes conduct sheet, the close elastic contact blade of described jack base jack sidewall upper surface is provided with osculum, osculum is drawn with the apopore of upper shell sidewall through flexible pipe and is connected, jack top sidewall is provided with the prominent part of protrusion, upper shell and lower house joint are provided with seal washer.
2. the expansion board of power source that a kind of infiltration according to claim 1 can short circuit, it is characterized in that: what described upper shell was provided with that the jack base of the jack base of one group of firewire jack and zero line jack forms two inserts the jack base unit, or the jack base that is provided with the jack base of jack base, zero line jack of one group of firewire jack and ground wire jack form three insert the jack base unit, or be provided with and insert jack base unit and three by some groups two and insert the jack base unit that the jack base unit forms.
3. the expansion board of power source that a kind of infiltration according to claim 1 can short circuit is characterized in that: described junction block and lower house injection mo(u)lding one.
4. the expansion board of power source that a kind of infiltration according to claim 1 can short circuit, it is characterized in that: described electrodes conduct sheet is in screw is fixed on the junction block groove, and electrodes conduct sheet one end stretches out junction block and connects wire outward.
5. the expansion board of power source that a kind of infiltration according to claim 1 can short circuit is characterized in that: described elastic contact blade is to be annotated to close by sheet metal and elastomeric material to form, and elastomeric material is that resistant to elevated temperatures elastomeric material is made.
6. the expansion board of power source that a kind of infiltration according to claim 5 can short circuit, it is characterized in that: the sheet metal peripheral planar of described elastic contact blade is provided with groove, outwards slightly heave on two sides, sheet metal center, heaves part and expose outside elastomeric material, and the sheet metal surrounding is annotated and is combined in elastomeric material.
7. the expansion board of power source that a kind of infiltration according to claim 1 can short circuit, it is characterized in that: described upper shell and lower house abutting end are lining with seal washer, fix through screw, and screw is provided with the waterproof sealing pad, and screw is provided with waterproof skin plug outward.
8. the expansion board of power source that a kind of infiltration according to claim 1 can short circuit is characterized in that: described external wire and housing junction are provided with sealing ring.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110363652 CN102394439B (en) | 2011-11-11 | 2011-11-11 | Power supply expansion plate being free of short circuit in the case of water seepage |
| HK12108314.8A HK1167750B (en) | 2012-08-24 | A short-circuit-free mains extension board in case of water seepage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110363652 CN102394439B (en) | 2011-11-11 | 2011-11-11 | Power supply expansion plate being free of short circuit in the case of water seepage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102394439A CN102394439A (en) | 2012-03-28 |
| CN102394439B true CN102394439B (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110363652 Expired - Fee Related CN102394439B (en) | 2011-11-11 | 2011-11-11 | Power supply expansion plate being free of short circuit in the case of water seepage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102394439B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106340770A (en) * | 2016-11-29 | 2017-01-18 | 郑州中拓知识产权代理有限公司 | Intelligent plugboard |
| CN106992401A (en) * | 2017-03-31 | 2017-07-28 | 中航光电科技股份有限公司 | Charging socket for electric vehicle electronic lock and charging socket for electric vehicle, electric car |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064423A (en) * | 2009-11-16 | 2011-05-18 | 河南天海电器有限公司 | Waterproof connector for automobile |
| CN202308576U (en) * | 2011-11-11 | 2012-07-04 | 胡海明 | Short-circuit resistant power supply expanding board in spite of water seepage |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004095272A (en) * | 2002-08-30 | 2004-03-25 | Daiwa Denki Kk | Tap with dustproof function |
| JP2010277744A (en) * | 2009-05-27 | 2010-12-09 | Fujikura Ltd | Waterproof connector |
-
2011
- 2011-11-11 CN CN 201110363652 patent/CN102394439B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064423A (en) * | 2009-11-16 | 2011-05-18 | 河南天海电器有限公司 | Waterproof connector for automobile |
| CN202308576U (en) * | 2011-11-11 | 2012-07-04 | 胡海明 | Short-circuit resistant power supply expanding board in spite of water seepage |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2004-95272A 2004.03.25 |
| JP特开2010-277744A 2010.12.09 |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1167750A1 (en) | 2012-12-07 |
| CN102394439A (en) | 2012-03-28 |
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