CN102394439A - 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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- CN102394439A CN102394439A CN2011103636528A CN201110363652A CN102394439A CN 102394439 A CN102394439 A CN 102394439A CN 2011103636528 A CN2011103636528 A CN 2011103636528A CN 201110363652 A CN201110363652 A CN 201110363652A CN 102394439 A CN102394439 A CN 102394439A
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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 power extension plate, especially relate to the power extension plate that a kind of infiltration can short circuit.
Background technology
The power extension plate is the electric equipment products that are used for realizing through the insertion of external plug electrical connection in the daily life, and in use, people run into the environment that water is arranged through regular meeting, or because of carelessness water is sprinkled to the power extension plate the generation that causes the accident.So; The technical staff has developed the power extension plate with water-proof function; These waterproof power extension plates are equipped with waterproof cover outside socket, anti-sealing penetrates in the socket aperture, and some power extension plate is provided with sealing ring outside socket aperture; In the time of in the plug insertion socket hole, make between plug and the 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 has enclosed not waterproof action; The capital causes inner each parts of socket moist, when energized, is easy to generate short circuit and initiation fire or electric shock accidents.
Summary of the invention
The objective of the invention is provides a kind of simple in structure to existing deficiency, also can not cause the power extension plate of short circuit in the socket aperture behind the water leaking-in.
The technical solution adopted for the present invention to solve the technical problems is: the power extension plate that a kind of infiltration can short circuit; Comprise upper shell, lower house, jack base, said upper shell is provided with the jack base unit with at least one group of its injection mo(u)lding one, and said lower house is provided with the junction block that cooperates 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, and elastic contact blade is gripped in said jack base lower surface and junction block upper surface, leaves the space between said elastic contact blade and the electrodes conduct sheet; Said jack base jack sidewall is provided with osculum near the elastic contact blade upper surface; Osculum is drawn with the apopore of upper shell sidewall through flexible pipe and is linked to each other, and jack top sidewall is provided with the prominent part of protrusion, and upper shell and lower house joint are provided with seal washer.
What said upper shell was provided with that the jack base of jack base and the zero line jack of one group of firewire jack forms two inserts the jack base unit; Or the jack base of jack base and ground wire jack that is provided with jack base, the zero line jack of one group of firewire 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 are formed.
Said junction block and lower house injection mo(u)lding one.
In the junction block groove, electrodes conduct sheet one end stretches out junction block and connects lead outward said electrodes conduct sheet through screw.
The elastomeric material of said elastic contact blade is that high temperature resistant elastomeric material is processed, and sheet metal and elastomeric material are annotated and lumped together.
The sheet metal peripheral planar of said elastic contact blade is provided with groove, and outwards slightly heave on two sides, sheet metal center, heaves part and exposes outside the elastomeric material, annotates around the sheet metal to be combined in the elastomeric material.
Said upper shell engages the end liner upper sealing washer with lower house, through screw fixings, screw is provided with the waterproof sealing pad, and screw is provided with waterproof skin plug outward.
Said external wire and housing junction are provided with sealing ring.
Joint is provided with sealing ring between upper shell of the present invention and the lower house; Be provided with elastic contact blade in the jack base jack; Completely cut off of the infiltration of extraneous moisture, got into the osculum of water in jack in the jack and discharge outside the housing, do not had knot regimen condition in the jack to the power extension intralamellar part; 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 the jack and the electrodes conduct sheet, elastic contact blade is not contacted with the electrodes conduct sheet, elastic contact blade is not charged in the jack; Also can not cause electric shock even foreign matter gets in the jack, have only plug firmly to insert following time, plug two electrodes press sheet metal in the elastic contact blade and touch mutually with the electrodes conduct sheet and close; 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 a structural representation of the present invention.
Fig. 2 is the structural representation of A-A section among Fig. 1 of the present invention.
Fig. 3 is the three-dimensional decomposition texture sketch map of lower house in the present invention.
Fig. 4 is a B-B elastic contact blade cross-sectional view among Fig. 3 of the present invention.
Fig. 5 is a perspective view of the present invention.
Among the 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. lead; 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 accompanying drawing and embodiment the present invention is described in further detail.
Embodiment
Shown in Fig. 1-5; A kind of infiltration can short circuit the power extension plate; Comprise upper shell 1, lower house 2, jack base 3; Said upper shell 1 is provided with the jack base Unit 3 with at least one group of its injection mo(u)lding one, present embodiment upper shell 1 be provided with the jack base of the jack base of one group of firewire jack of its injection mo(u)lding one and zero line jack form two insert jack base unit 12 and two groups of firewire jacks the three slotting jack base unit 13 formed of the jack base of jack base and ground wire jack of jack base, zero line jack.Said lower house 2 is provided with the junction block 5 that cooperates with each unit jack base of upper shell, and said junction block 5 and lower house 2 injection mo(u)lding one are 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, and electrodes conduct sheet one end 602 stretches out junction block 5 outer being with external wire 9 and is electrically connected, and elastic contact blade 4 is gripped in said jack base lower surface 304 and junction block upper surface 501; Make elastic contact blade seal jack base jack 303, infiltrated water in the jack and also can inwardly not flow into, elastic contact blade 4 is processed for high temperature resistant elastomeric material; Sheet metal 402 is annotated with elastomeric material 401 and is lumped together, and sheet metal is that the copper product that conducts electricity very well is stamped to form, and the sheet metal peripheral planar is provided with groove 403; Groove is annotated elastomeric material and sheet metal to unify better, and outwards slightly heave at center, sheet metal two sides, and the two sides is heaved part 404 and exposed outside the elastomeric material 401; Exposed portions serve can contact with plug two electrodes and electrodes conduct sheet 6, annotates around the sheet metal to be combined in the elastomeric material, leaves the space between said elastic contact blade 4 lower ends and the electrodes conduct sheet 6; Elastic contact blade is not contacted with the electrodes conduct sheet, and elastic contact blade is not charged in the jack, can not cause electric shock even foreign matter gets in the jack yet; Have only plug firmly to insert following time; Plug two electrodes press sheet metal in the elastic contact blade to be heaved part 404 and touches mutually with electrodes conduct sheet 6 and close, and makes current lead-through, when plug is extracted; Elastic contact blade 4 separates with electrodes conduct sheet 6 under the effect of elastic force, plays the safeguard protection effect.Said jack base jack 303 sidewalls are provided with osculum 301 near the elastic contact blade upper surface; The osculum of the jack base of each homopolarity is connected through flexible pipe 10; Flexible pipe links to each other with the apopore 101 that the upper shell two side is provided with, and behind water leaking-in in the jack, water flows out outside the housing from osculum; There is not knot regimen condition in the jack 303, can not enter in the 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 fixing through screw 11, and screw is provided with waterproof sealing pad 1101, and screw is provided with waterproof skin plug 1102 outward, and said external wire and housing junction are provided with sealing ring 8.The present invention has completely cut off the infiltration of extraneous moisture to the power extension intralamellar part, is immersed in the water like the power extension plate and also can cause short circuit, has reached the purpose of peaceful waterproof.
Claims (8)
1. the power extension plate that an infiltration can short circuit; Comprise upper shell, lower house, jack base, it is characterized in that: said upper shell is provided with the jack base unit with at least one group of its injection mo(u)lding one, and said lower house is provided with the junction block that cooperates 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, and elastic contact blade is gripped in said jack base lower surface and junction block upper surface, leaves the space between said elastic contact blade and the electrodes conduct sheet; Said jack base jack sidewall is provided with osculum near the elastic contact blade upper surface; Osculum is drawn with the apopore of upper shell sidewall through flexible pipe and is linked to each other, and jack top sidewall is provided with the prominent part of protrusion, and upper shell and lower house joint are provided with seal washer.
2. a kind of infiltration according to claim 1 can short circuit the power extension plate; It is characterized in that: what said upper shell was provided with that the jack base of jack base and the zero line jack of one group of firewire jack forms two inserts the jack base unit; Or the jack base of jack base and ground wire jack that is provided with jack base, the zero line jack of one group of firewire 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 are formed.
3. a kind of infiltration according to claim 1 can short circuit the power extension plate, it is characterized in that: said junction block and lower house injection mo(u)lding one.
4. a kind of infiltration according to claim 1 can short circuit the power extension plate, it is characterized in that: in the junction block groove, electrodes conduct sheet one end stretches out junction block and connects lead outward said electrodes conduct sheet through screw.
5. a kind of infiltration according to claim 1 can short circuit the power extension plate, it is characterized in that: the elastomeric material of said elastic contact blade is that high temperature resistant elastomeric material is processed, sheet metal and elastomeric material are annotated and are lumped together.
6. a kind of infiltration according to claim 5 can short circuit the power extension plate; It is characterized in that: the sheet metal peripheral planar of said elastic contact blade is provided with groove; Outwards slightly heave on two sides, sheet metal center, heaves part and expose outside the elastomeric material, annotates around the sheet metal to be combined in the elastomeric material.
7. a kind of infiltration according to claim 1 can short circuit the power extension plate, it is characterized in that: said upper shell engages the end liner upper sealing washer with lower house, through screw fixings, screw is provided with the waterproof sealing pad, screw is provided with waterproof skin plug outward.
8. a kind of infiltration according to claim 1 can short circuit the power extension plate, it is characterized in that: said 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 HK1167750A1 (en) | 2011-11-11 | 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 true CN102394439A (en) | 2012-03-28 |
| CN102394439B CN102394439B (en) | 2013-06-12 |
Family
ID=45861661
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 (2)
| Country | Link |
|---|---|
| CN (1) | CN102394439B (en) |
| HK (1) | HK1167750A1 (en) |
Cited By (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 (4)
| 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 |
| 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 |
-
2011
- 2011-11-11 CN CN 201110363652 patent/CN102394439B/en not_active Expired - Fee Related
-
2012
- 2012-08-24 HK HK12108314.8A patent/HK1167750A1/en not_active IP Right Cessation
Patent Citations (4)
| 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 |
| 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 |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1167750A1 (en) | 2012-12-07 |
| CN102394439B (en) | 2013-06-12 |
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