CN200965955Y - A temperature-control protective plug - Google Patents
A temperature-control protective plug Download PDFInfo
- Publication number
- CN200965955Y CN200965955Y CN 200620109011 CN200620109011U CN200965955Y CN 200965955 Y CN200965955 Y CN 200965955Y CN 200620109011 CN200620109011 CN 200620109011 CN 200620109011 U CN200620109011 U CN 200620109011U CN 200965955 Y CN200965955 Y CN 200965955Y
- Authority
- CN
- China
- Prior art keywords
- static terminal
- plug
- ground wire
- middle cover
- inner core
- 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.)
- Expired - Fee Related
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model discloses a thermostats protected plug which pertains to the technical field of electrical appliances component. The outer shell is provided with a plug inner core that is connected with the power cord. The utility model is characterized in that: the outer margin of the plug inner core is provided with a ground wire connecting sheet that is connected with the ground wire of the power cord while the lower part of the plug inner core is provided with a ground wire bolt and zero line bolt which is connected with the zero line, the core is provided with a heat transport sheet that is connected with the ground wire bolt and which is connected with a thermostat, a dished heat dual metallic piece is positioned between the aluminum cover at the lower part of the thermostat and the pedestal, a left terminator and a right terminator are positioned between the pedestal and the middle cover, a reset rod that matches with the performance spring is arranged at the lower part of the middle cover and is connected with and sleeved with a moving contact sheet that matches with the left and the right static terminators, the upper part of the middle cover corresponding with the reset rod is provided with a reset button that elastically matches with the reset spring, the heat transport sheet is connected with the right static terminator, the live wire of the power cord is connected with the left static terminator. The utility model can cut off fast when the current excesses rated current to ensure safe use.
Description
Technical field
The utility model belongs to the electric elements technical field, is specially a kind of temperature control protection plug.
Background technology
Have only two conducting strips directly to be connected in its housing of plug commonly used with power line; there is not the temperature control protective device; make appliance circuit not obtain due protective effect, to exerting an influence in safe in utilization, useful life of electrical equipment, and can threaten personal safety directly, indirectly.
The utility model content
For overcoming the above-mentioned problems in the prior art, the utility model design provides a kind of technical scheme of temperature control protection plug, and it is safe, and breaking capacity is strong, has effectively protected the safe in utilization of electrical equipment, has increased its useful life.
Described a kind of temperature control protection plug; be equipped with the plug inner core that is connected with power line in the shell; it is characterized in that plug inner core outer rim is equipped with the ground wire brace that is connected with the ground wire of power line; the zero line latch that the bottom is equipped with the live wire latch and is connected with zero line; be equipped with the heat transfer sheet that is connected with the live wire latch in the core body; be equipped with thermostat on the heat transfer sheet; be equipped with dish-like thrermostatic bimetal-plate between the aluminium lid of described thermostat bottom and the base; be equipped with left static terminal between base and the middle cover; right static terminal; the middle cover bottom is provided with the release link with the operating spring resilient engagement; socket and left static terminal on the release link; right static terminal touches the movable contact spring of cooperation; middle cover top is corresponding to the reset button of release link setting and back-moving spring resilient engagement; heat transfer sheet is connected with right static terminal, and the live wire of power line is connected with left static terminal.
Described a kind of temperature control protection plug is characterized in that left static terminal, right static terminal are provided with left fixed contact, right fixed contact respectively, and movable contact spring touches and cooperates with left fixed contact, right fixed contact.
Described a kind of temperature control protection plug is characterized in that reset button top is equipped with loam cake, and last tops is equipped with waterproof jacket, shrouding.
Above-mentioned a kind of temperature control protection plug; compact conformation, reasonable; be equipped with thermostat in the plug; when using electric current to surpass rated current; plug inside can produce the normal serviceability temperature that is higher than plug; pass to the aluminium lid that is in contact with it by heat transfer sheet; make the dish-like thrermostatic bimetal-plate temperature distortion that is connected with aluminium lid; moment is projection round about, and the promotion movable contact spring separates the cut-out circuit rapidly with fixed contact; it is safe; breaking capacity is strong, has effectively protected the safe in utilization of electrical equipment, has increased its useful life.
Description of drawings
Fig. 1 is the plug construction schematic diagram; Fig. 2 is plug inner core and thermostat syndeton schematic diagram; Fig. 3 is plug inner core, thermostat assembly structure schematic diagram; Fig. 4 is a thermostat assembly structure formula schematic diagram;
Among the figure, 1-shrouding, 2-waterproof jacket, 3-shell, 4-live wire latch, 5-zero line latch, 6-power line, 7-reset button, 8-middle cover, 9-round end tapping screw, 10-plug inner core, 11-ground wire brace, 12-heat transfer sheet, 13-base, 14-aluminium lid, the dish-like thrermostatic bimetal-plate of 15-, the right static terminal of 16-, 16a-left side static terminal, the right fixed contact of 17-, 17a-left side fixed contact, 18-release link, 19-movable contact spring, 20-operating spring, 21-back-moving spring, 22-loam cake.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail.
As shown in the figure, be equipped with the plug inner core 10 that is connected with power line 6 in the shell 3, plug inner core 10 outer rims are equipped with the ground wire brace 11 that is connected with the ground wire of power line 6, the zero line latch 5 that the bottom is equipped with live wire latch 4 and is connected with zero line, be equipped with the heat transfer sheet 12 that is connected with live wire latch 4 in the core body, be equipped with thermostat on the heat transfer sheet 12, be equipped with dish-like thrermostatic bimetal-plate 15 between the aluminium lid 14 of described thermostat bottom and the base 13, be equipped with left static terminal 16a between base 13 and the middle cover 8, right static terminal 16, left side static terminal 16a, right static terminal 16 is provided with left fixed contact 17a respectively, right fixed contact 17, middle cover 8 bottoms are provided with the release link 18 with operating spring 20 resilient engagement, socket and left fixed contact 17a on the release link 18, right fixed contact 17 touches the movable contact spring 19 of cooperation, middle cover 8 tops are corresponding to the reset button 7 of release link 18 settings with back-moving spring 21 resilient engagement, heat transfer sheet 12 is connected with right static terminal 16, and the live wire of power line 6 is connected with left static terminal 16a.Ground wire brace 11 and plug inner core 10, base 13 and be connected by round end tapping screw 9 with rivet left static terminal 16a and right static terminal 16 at an upper portion thereof.Reset button 7 tops are equipped with loam cake 22, and loam cake 22 tops are equipped with waterproof jacket 2, shrouding 1.
During the circuit operate as normal, movable contact spring 19 under the effect of operating spring 20 with left fixed contact 17a, right fixed contact 17 contact matching, circuit is in conducting state, when using electric current to surpass rated current, plug inside can produce the normal serviceability temperature that is higher than plug, when reaching the thermostat operating temperature, pass to the aluminium lid 14 that is in contact with it by heat transfer sheet 12, make dish-like thrermostatic bimetal-plate 15 temperature distortions that touch with aluminium lid 14, moment is projection round about, promote release link 18 and make movable contact spring 19 and left fixed contact 17a, right fixed contact 17 separates rapidly, cuts off circuit and keeps off-state always, and plug safety under rated current quits work; When external circuit recovers normal, the plug temperature is reduced to below thermostat operating temperature 10 degree, press the knob 7 that resets, make release link 18 promote the dish-like thrermostatic bimetal-plate 15 of butterfly type and recover recessed state, movable contact spring 19 under the effect of operating spring 20 with left fixed contact 17a, right fixed contact 17 contact matching, circuit recovers operate as normal.
Claims (3)
1; a kind of temperature control protection plug; be equipped with the plug inner core (10) that is connected with power line (6) in the shell (3); it is characterized in that plug inner core (10) outer rim is equipped with the ground wire brace (11) that is connected with the ground wire of power line (6); the zero line latch (5) that the bottom is equipped with live wire latch (4) and is connected with zero line; be equipped with the heat transfer sheet (12) that is connected with live wire latch (4) in the core body; heat transfer sheet is equipped with thermostat on (12); be equipped with dish-like thrermostatic bimetal-plate (15) between the aluminium lid (14) of described thermostat bottom and the base (13); be equipped with left static terminal (16a) between base (13) and the middle cover (8); right static terminal (16); middle cover (8) bottom is provided with the release link (18) with operating spring (20) resilient engagement; release link (18) goes up socket and left static terminal (16a); right static terminal (16) touches the movable contact spring (19) of cooperation; middle cover (8) top is corresponding to the reset button (7) of release link (18) setting with back-moving spring (21) resilient engagement; heat transfer sheet (12) is connected with right static terminal (16), and the live wire of power line (6) is connected with left static terminal (16a).
2, a kind of temperature control protection plug as claimed in claim 1; it is characterized in that left static terminal (16a), right static terminal (16) are provided with left fixed contact (17a), right fixed contact (17) respectively, movable contact spring (19) touches and cooperates with left fixed contact (17a), right fixed contact (17).
3, a kind of temperature control protection plug as claimed in claim 1 is characterized in that reset button (7) top is equipped with loam cake (22), and loam cake (22) top is equipped with waterproof jacket (2), shrouding (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620109011 CN200965955Y (en) | 2006-10-27 | 2006-10-27 | A temperature-control protective plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620109011 CN200965955Y (en) | 2006-10-27 | 2006-10-27 | A temperature-control protective plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200965955Y true CN200965955Y (en) | 2007-10-24 |
Family
ID=38869974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620109011 Expired - Fee Related CN200965955Y (en) | 2006-10-27 | 2006-10-27 | A temperature-control protective plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200965955Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010078737A1 (en) * | 2009-01-06 | 2010-07-15 | 深大宇电器(深圳)有限公司 | Over-temperature over-current protection power plug |
-
2006
- 2006-10-27 CN CN 200620109011 patent/CN200965955Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010078737A1 (en) * | 2009-01-06 | 2010-07-15 | 深大宇电器(深圳)有限公司 | Over-temperature over-current protection power plug |
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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: 20071024 Termination date: 20101027 |