CN201323297Y - Power converter - Google Patents
Power converter Download PDFInfo
- Publication number
- CN201323297Y CN201323297Y CNU2008201231925U CN200820123192U CN201323297Y CN 201323297 Y CN201323297 Y CN 201323297Y CN U2008201231925 U CNU2008201231925 U CN U2008201231925U CN 200820123192 U CN200820123192 U CN 200820123192U CN 201323297 Y CN201323297 Y CN 201323297Y
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- China
- Prior art keywords
- power
- upper shell
- socket unit
- conduction sleeve
- spring
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- 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.)
- Expired - Fee Related
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model discloses a power converter which comprises a casing, a plurality of sets of power socket units mounted in the casing, and three connecting copper wires. Each set of power socket unit mounted in the casing comprises an upper cover, a base, a power live line and zero line output conductive inserting sleeve, an earthing conductive inserting sleeve, a protection door and a spring, and the power live line and zero line output conductive inserting sleeve and the earthing conductive inserting sleeve are placed in the base; the protection door is arranged below the upper cover of the power socket units and above three power output conductive inserting sleeves; the protection door adopts a ladder-type slide block with a hollow upper part, and slopes with the same direction are arranged at the head part of the hollow part of the protection door and the tail part of the protection door; the spring is sleeved on the head part of the protection door, and the other end of the spring is clamped in an S-shaped spring groove on the back of the upper casing; a support column used for supporting and fixing the spring is arranged on the inner surface of the lower casing; and homopolarities of the power socket units are welded together through a solid hard copper wire.
Description
Technical field
The utility model relates to a kind of power supply changeover device of family expenses, refers to a kind ofly to have safety protection gate especially, has good plug performance, the simple power supply changeover device of assembly technology.
Background technology
At present, have some power supply changeover devices to have certain defective in design on the market, for example: fail safe is relatively poor, assembly technology is loaded down with trivial details.
Fail safe is the primary factor that people select the household electric product.At present, the power supply changeover device that often uses of people mainly claims power firestreak output conduction sleeve, zero-power line output conduction sleeve, power ground conduction sleeve to constitute again by housing and many groups conductive metal sheet of being installed in the housing.Have the supply hub in many group two holes or three holes on the surface of power supply changeover device housing, below supply hub, be provided with above-mentioned conductive metal sheet, conductive metal sheet links to each other with power firestreak, zero line, ground wire in the wall respectively by conductive component, lead, thereby, make the supply hub on power supply changeover device surface that power supply output be arranged.Because charged conductive metal sheet is positioned at below the supply hub of surface of shell hollow out in the power supply changeover device; so; in real life; often have child and finger is reached in the supply hub, or the conductive metal sheet below finger or metal bar touch supply hub is a power supply output conduction sleeve because of curiosity.In case child touches the conductive metal sheet in the supply hub, the generation of the casualty accident that will cause getting an electric shock, abnormally dangerous.
In addition, at present, the welding on the market between its inner each group power supply conductivity sheet metal same pole of some power supply changeover device all is to lean on manual welding, assembles up quite loaded down with trivial details.
Summary of the invention
In view of the foregoing, the purpose of this utility model provide a kind ofly have safety protection gate, have good plug performance, the simple power supply changeover device of assembly technology.
For achieving the above object, the utility model by the following technical solutions: a kind of power supply changeover device, it by housing, be installed in some groups of supply socket unit in the housing, three and connect copper cash and constitute; Described housing is combined by upper shell and lower house; Be provided with the serpentine spring groove that several are used for fixing spring at the back side of upper shell; Inner surface at lower house is provided with the fore-set that is used to push up solid spring;
The every group of supply socket unit that is installed in the housing is made of loam cake, base, power firestreak output conduction sleeve, zero-power line output conduction sleeve, ground connection conduction sleeve, shutter, spring; Power firestreak output conduction sleeve, zero-power line output conduction sleeve and ground connection conduction sleeve are placed in the base;
Described shutter is arranged on below and three power supplys of supply socket unit loam cake and exports between the top of conduction sleeves; This shutter is the trapezoidal slide block of the first half hollow out, and the head of shutter openwork part and the afterbody of shutter are provided with equidirectional slope;
The head of described shutter is with a spring, and the other end of spring is stuck in the serpentine spring groove at the upper shell back side.
When power supply changeover device is provided with two rows, during the supply socket unit that is arranged above and below, two springs at two shutter tops that are oppositely arranged are the shape that staggers mutually, fix in the serpentine spring groove at the described upper shell back side.
Described ground connection conduction sleeve be provided with one with holes long-armed; Be equipped with an elastic arm that can well contact with the attaching plug inserted sheet on described power firestreak output conduction sleeve and the zero-power line output conduction sleeve, with holes long-armed of two energy and the fine blade that contacts of plug slice and.
Described three connect copper cash and link to each other with zero line, live wire, ground wire in the power line respectively; Wherein, copper cash after passing the hole of zero line output conduction sleeve on long-armed links together the zero line side of each supply socket unit; Another root copper cash after passing the hole of live wire output conduction sleeve on long-armed links together the live wire end of each supply socket unit; Copper cash after passing the hole of ground connection conduction sleeve on long-armed links together the earth terminal of each supply socket unit again; With the mode of immersed solder or wave-soldering each connection end point is all lived with the scolding tin weldering at last, the connection copper cash can finely be contacted with each sleeve.
Because the utility model adopts above technical scheme, make to the utlity model has good plug performance that assembly technology is simple, has had the shutter anti-misplug function simultaneously again.
Description of drawings
Fig. 1 is a stereogram of the present utility model;
Fig. 2 removes stereogram behind the socket unit loam cake for the utility model;
Fig. 3 removes structural representation behind the lower house for the utility model;
Fig. 4 is the stereogram of the utility model ground connection sleeve;
Fig. 5 is the stereogram of the utility model live wire sleeve/zero line sleeve;
Fig. 6 is the structural representation of the utility model shutter closed condition;
Fig. 7 is the structural representation of the utility model shutter open mode;
Fig. 8 is the three-dimensional decomposition texture schematic diagram of the utility model.
Embodiment:
As Fig. 1, Fig. 2, shown in Figure 8, the disclosed power supply changeover device of the utility model mainly by housing, be installed in some groups of supply socket unit in the housing, three and connect copper cash and constitute.
Described housing is combined by upper shell 1 and lower house 2.In two housings, be equipped with some groups of supply socket unit, assemble the back two housings and tighten together by trip bolt 18.Have the hole 103 that several are used to install the supply socket unit on the surface of upper shell 1, be provided with several serpentine spring grooves 106 that is used for fixing spring 11 (referring to Fig. 6, shown in Figure 7) at the back side of upper shell 1.Inner surface at lower house 2 is provided with 2 " worker " font fore- sets 205 and 4 square fore-sets 203 that are used to push up solid spring 11.
The every group of supply socket unit that is installed in the housing is made of loam cake 3, base 4, power firestreak output conduction sleeve 7, zero-power line output conduction sleeve 6, ground connection conduction sleeve 8, shutter 5, spring 11.After loam cake 3 passes the hole 103 on upper shell 1 surface, cooperate with base 4 by screw 17.Have the general-purpose jack of standard on the surface of loam cake 3; Be provided with grab 301 in the side of loam cake 3, grab 301 can hook corresponding position on the base 4, thereby plays the effect of certain fastening seat.In base 4, be provided with zero-power line output conduction position, sleeve hole 401, power firestreak output conduction position, sleeve hole 402, ground connection conduction position, sleeve hole 403, power firestreak output conduction sleeve 7, zero-power line output conduction sleeve 6 and ground connection conduction sleeve 8 are placed in the corresponding hole site.In addition, on base 4, also be provided with two trip bolt holes 404.
As shown in Figure 4, the ground connection conduction sleeves 8 that are installed in the base 4 are provided with a brace 801, are used to strengthen the elasticity of sleeve, also are provided with one with holes long-armed 802 on it.As shown in Figure 5, be installed in power firestreaks output conduction sleeves 7 in the base 4 and be provided with 701, two energy of elastic arm and the fine blade that contacts 702 of plug slice that can well contact with the attaching plug inserted sheet; On power firestreak sleeve 7, also be provided with one with holes long-armed 703.The structure of described zero-power line output conduction sleeve 6 is the same with the structure of power firestreak output conduction sleeve 7.
As shown in Figure 8, the utility model below the supply socket unit loam cake 3 and three power supplys output conduction sleeves 6,7,8 above between be provided with a shutter 5.This shutter 5 is the trapezoidal slide block of the first half hollow out, and after shutter 5 slided, its openwork part can face the ground connection conduction sleeve 8 that is installed in the base 4.The head of shutter 5 openwork parts and the afterbody of shutter 5 are provided with equidirectional slope 5A, 5B.
As Fig. 6, shown in Figure 7, the head of described shutter 5 is with a spring 11, and the other end of spring 11 is stuck in the serpentine spring groove 106 at upper shell 1 back side.After lower house 2 was loaded onto, the square fore-set 203 in the lower house 2 can withstand spring 11, and spring 11 can not come off.As Fig. 1, shown in Figure 8, when power supply changeover device be provided with two row, be arranged above and below the supply socket unit time, in order to save the space, two springs 11 at two shutter 5 tops that are oppositely arranged are the shape that staggers mutually.
As shown in Figure 6, when attaching plug was not inserted in the supply socket, shutter 5 was in closed condition, and shutter 5 just covers the power supply output conduction sleeve of its below.People can not touch the power supply output conduction sleeve below the supply hub, and are as safe as a house.As shown in Figure 7; when attaching plug is inserted in the supply hub on loam cake 3 surfaces; insertion along with plug; three inserted sheets on the plug promote shutter 5 slide blocks by slope 5A, 5B on the shutter 5; make its head pass the edge in upper shell 1 hole 103; spill shutter 5 following power supplys and export conduction sleeve 6,7,8, thereby attaching plug is inserted in the supply socket, spring 11 is compressed.After attaching plug was pulled out, under the effect of spring 11, shutter 5 reverted to initial condition, the power supply of its below is exported the conduction sleeve cover, and prevented the generation of electric shock accidents.
As Fig. 3, shown in Figure 8, the utility model also is provided with three solid hard connection copper cash 1201,1202,1203 of exposed sub-thread in housing.Copper cash 1201 after passing hole on the zero line output conduction sleeve long-armed 603 links together the zero line side of each supply socket unit, copper cash 1202 after passing hole on the live wire output conduction sleeve long-armed 703 links together the live wire end of each supply socket unit, and copper cash 1203 after passing hole on the ground connection conduction sleeve long-armed 802 links together the earth terminal of each supply socket unit; With the mode of immersed solder or wave-soldering each connection end point is all lived with the scolding tin weldering at last, make to connect copper cash and can finely contact with each sleeve, technology is extremely easy, need not multiple welding and just can finish welding between each socket unit, and assembly technology is simple.
As Fig. 3, shown in Figure 8, the utility model also is provided with an indicating lamp device in housing.This indicating lamp device is made up of indicator light 19, resistance 1901, diode 1902, refracting means 9, and an end of indicator light 19 connects a resistance 1901 and links to each other with the live wire end of supply socket unit; The other end of indicator light 19 connects a diode 1902 and links to each other with the zero line side of supply socket unit, and resistance 1901 and diode 1902 are withstood 205 by " worker " font in the lower house 2 and withstand, and make in its respective grooves that is fixed on upper shell 1; Refracting means 9 is that a transparent plastic is made, and passes the surface that is exposed to upper shell 1 behind the hole 104 of upper shell 1.When indicator light 19 luminous after refracting means 9 is refracted to the power supply changeover device surface to light source.
Shown in Fig. 1,2,3,8, the utility model also is provided with a push-button switch 10 in housing, and push-button switch 10 passes the hole 102 of upper shell 1, is exposed to the surface of upper shell 1.Push-button switch 10 is fastened on the upper shell 1 by two screws 16, and an end of push-button switch 10 links to each other with the live wire of power line input, and the other end links to each other with the live wire end of supply socket unit.So, press the power supply that push-button switch 10 just can turn on and off power supply changeover device.
As Fig. 1, Fig. 3, shown in Figure 8, an end of the utility model upper shell 1 is provided with half round cable line outlet 101, is provided with the grid decorative pattern 107 of a packaged decorations shape on line outlet 101 limits; On lower house 2, be provided with a semicircular cable outlet mouth 201 equally.Power line three in cable outlet mouth 101,201 and supply socket are connected copper cash 1201,1202,1203 and link to each other.The solder joint that causes comes off and the generation of short circuit phenomenon owing to being pulled in order to prevent power line effectively, shown in Fig. 3,8, also is provided with a pressure-ray film 13 in housing, after pressure-ray film 13 is pushed down power line, is fastened in the upper shell 1 by two screws 15.
Increase its frictional force when being positioned over desktop or other smooth flat when power supply changeover device, power supply changeover device is not moved easily, the hole that is used for rigging screw 18 on four angles, lower house 2 bottoms also is inserted with cylindrical rubber pad 14.
Because conducting electricity with power supply output at the loam cake of each supply socket unit, the utility model is provided with a shutter between the sleeve.When attaching plug was not inserted in the supply hub, shutter was in closed condition, and people can't touch the conduction sleeve at all, and are as safe as a house; When attaching plug was desired to be inserted in the supply socket, under the promotion of attaching plug, shutter was open, and spilt the power supply output conduction sleeve of its below.Because the utility model adopts this design, so the utility model fail safe is good.
Because the utility model with all using a solid hard connection copper cash to couple together between each supply socket unit same electrical source electrode, uses the mode of immersed solder or wave-soldering to weld together then, so, convenience simple for assembly process.
Claims (7)
1, a kind of power supply changeover device, it by housing, be installed in some groups of supply socket unit in the housing, three and connect copper cash and constitute; Described housing is combined by upper shell and lower house; It is characterized in that:
Be provided with the serpentine spring groove (106) that several are used for fixing spring (11) at the back side of upper shell (1); Inner surface at lower house (2) is provided with the fore-set (203) that is used to push up solid spring (11);
The every group of supply socket unit that is installed in the housing is made of loam cake (3), base (4), power firestreak output conduction sleeve (7), zero-power line output conduction sleeve (6), ground connection conduction sleeve (8), shutter (5), spring (11); Power firestreak output conduction sleeve (7), zero-power line output conduction sleeve (6) and ground connection conduction sleeve (8) are placed in the base (4);
Described shutter (5) is arranged on below and three power supplys of supply socket unit loam cake (3) and exports between the top of conduction sleeves (6,7,8); This shutter (5) is the trapezoidal slide block of the first half hollow out, and the head of shutter (5) openwork part and the afterbody of shutter (5) are provided with equidirectional slope (5A, 5B);
The head of described shutter (5) is with a spring (11), and the other end of spring (11) is stuck in the serpentine spring groove (106) at upper shell (1) back side.
2, power supply changeover device according to claim 1; it is characterized in that: when power supply changeover device be provided with two row, be arranged above and below the supply socket unit time; two springs (11) at two shutters (5) top that is oppositely arranged are the shape that staggers mutually, fix in the serpentine spring groove (106) at the described upper shell back side.
3, power supply changeover device according to claim 1 and 2 is characterized in that: described ground connection conduction sleeve (8) is provided with long-armed (802) with holes;
Described power firestreak output conduction sleeve (7) and zero-power line output are conducted electricity and are equipped with an elastic arm (701,601) that can well contact with the attaching plug inserted sheet on the sleeve (6), two energy and the fine blade that contacts of plug slice (702,602) and long-armed (703,603) with holes.
4, power supply changeover device according to claim 3 is characterized in that: described three connect copper cash (1201,1202,1203) and link to each other with zero line, live wire, ground wire in the power line respectively; Wherein, a copper cash (1201) after passing hole on the zero line output conduction sleeve long-armed (603) links together the zero line side of each supply socket unit; Another root copper cash (1202) after passing hole on the live wire output conduction sleeve long-armed (703) links together the live wire end of each supply socket unit; A copper cash (1203) after passing hole on the ground connection conduction sleeve long-armed (802) links together the earth terminal of each supply socket unit again; With the mode of immersed solder or wave-soldering each connection end point is all lived with the scolding tin weldering at last, the connection copper cash can finely be contacted with each sleeve.
5, power supply changeover device according to claim 4 is characterized in that: also be provided with an indicating lamp device in described housing; This indicating lamp device is made up of indicator light (19), resistance (1901), diode (1902), refracting means (9), and an end of indicator light (19) connects a resistance (1901) and links to each other with the live wire end of supply socket unit; The other end of indicator light (19) connects a diode (1902) and links to each other with the zero line side of supply socket unit, resistance (1901) and diode (1902) are withstood (205) by " worker " font in the lower house (2) and withstand, and make in its respective grooves that is fixed on upper shell (1); Refracting means (9) is that a transparent plastic is made, and passes the surface that is exposed to upper shell (1) behind the hole (104) of upper shell (1).
6, power supply changeover device according to claim 5 is characterized in that: a push-button switch (10) also is set in described housing, and push-button switch (10) passes the hole (102) of upper shell (1), is exposed to the surface of upper shell (1); Push-button switch (10) is fastened on the upper shell (1) by two screws (16), and an end of push-button switch (10) links to each other with the live wire of power line input, and the other end links to each other with the live wire end of supply socket unit.
7, power supply changeover device according to claim 6 is characterized in that: also be provided with a pressure-ray film (13) in described housing, after pressure-ray film (13) is pushed down power line, be fastened on the upper shell (1) by two screws (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201231925U CN201323297Y (en) | 2008-10-27 | 2008-10-27 | Power converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201231925U CN201323297Y (en) | 2008-10-27 | 2008-10-27 | Power converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201323297Y true CN201323297Y (en) | 2009-10-07 |
Family
ID=41160672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201231925U Expired - Fee Related CN201323297Y (en) | 2008-10-27 | 2008-10-27 | Power converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201323297Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868275A (en) * | 2015-04-22 | 2015-08-26 | 黄华道 | Fast-assembling type multi-connected socket |
-
2008
- 2008-10-27 CN CNU2008201231925U patent/CN201323297Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868275A (en) * | 2015-04-22 | 2015-08-26 | 黄华道 | Fast-assembling type multi-connected socket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091007 Termination date: 20111027 |