CN201084648Y - Heat protection switch - Google Patents
Heat protection switch Download PDFInfo
- Publication number
- CN201084648Y CN201084648Y CNU2007201146684U CN200720114668U CN201084648Y CN 201084648 Y CN201084648 Y CN 201084648Y CN U2007201146684 U CNU2007201146684 U CN U2007201146684U CN 200720114668 U CN200720114668 U CN 200720114668U CN 201084648 Y CN201084648 Y CN 201084648Y
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- China
- Prior art keywords
- push
- button socket
- contact
- adjustable shelf
- parts
- 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 - Lifetime
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- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 230000000694 effects Effects 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000001960 triggered effect Effects 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 description 3
- 238000010511 deprotection reaction Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- Breakers (AREA)
- Thermally Actuated Switches (AREA)
Abstract
The utility model relates to a heat protection switch, which is characterized in that: the switch adopts a bi-metallic cantilever beam and a heat protection mechanism, which comprises a bi-metallic with one end fixed and a heat protection transmission mechanism; the heat protection transmission mechanism comprises a static contact component, a mounting bracket component, a moving contact bracket component, a moving contact bracket spring, an adjustable frame which can rotate around itself, an adjustable frame pressure spring, a kick base and a button seat; the kick base can rotate around the binding face of the adjustable shelf or the locating shaft of the kick base; the button seat can rotate around the rotation center of itself; the button seat press the groove of the kick base through the shaft; the moving contact bracket component can move up and down in the groove of the button seat; the bi-metallic strip with one end fixed forms into a cantilever beam; under a certain working condition, the root section of the bi-metallic strip presses that of the adjustable shelf; when the circuit switches on, according to a certain working condition, the bi-metallic strip deformation reaches to a predetermined value, the transmission mechanism is triggered; and after the kicking of kick base, two inclined planes of the inclined plane do not press the moving contact bracket component any longer and the moving contact bracket component resets under the function of the moving contact bracket spring and the upper and lower of the contact are separated and tripped and the circuit is cut off.
Description
Technical field
The utility model relates to a kind of heat portective switch with normal circuit breaker function, relate in particular to a kind ofly have that double break takes off by force, power-failure protecting, pre-protective current is regulated and the heat portective switch of movable water-proof function.
Background technology
At present, known heat portective switch particularly has the heat portective switch of normal circuit breaker switching function, function singleness, and just one drives a contact by bimetal leaf, plays open circuit, realizes the purpose of protection.Be to save cost, general direct the contact is made on the bimetal leaf, perhaps adopt the single contact disrupted configuration; lack the design of comparatively perfect transmission mechanism; circuit can only be protected simple overload operating mode, can not adapt to abominable work condition environment, and the safeguard protection coefficient is not high yet.
Summary of the invention
For overcoming existing defective with heat portective switch of normal circuit breaker switching function, the utility model provides a kind of heat protection transmission mechanism reasonable, the heat portective switch of perfect in shape and function.
For solving technical problem to be solved in the utility model; basic technical scheme of the present utility model is to adopt bimetal leaf cantilever beam and compact heat protection transmission mechanism; specifically; heat protection transmission mechanism comprises bimetal leaf and the heat protection transmission mechanism that an end is fixing; heat protection transmission mechanism comprises the fixed contact parts; the fixed mount parts; the action contact frame parts; the action contact frame stage clip; can be around the adjustable shelf of self pivot rotation; the adjustable shelf stage clip; snap frame; push-button socket; snap frame is contained on the base groove by the snap frame locating shaft; snap frame is around the adjustable shelf supporting surface; axle or snap frame locating shaft rotate; push-button socket can be around self pivot rotation; push-button socket is compeled the snap frame groove by axial compression; the action contact frame parts can move up and down in the groove of push-button socket; the fixing bimetal leaf of one end constitutes a cantilever beam, the root of the root compressing adjustable shelf of bimetal leaf under certain operating mode.When circuit is in on-state; according to some operating modes; bi-metal plate deformed reaches predetermined value; trigger transmission mechanism, after the snap frame kick, the action contact frame parts are no longer oppressed on snap frame two inclined-planes; the action contact frame parts reset under the effect of action contact frame stage clip; the contact is separated disconnection up and down, cuts off circuit, forms a heat protection transmission mechanism.
One of further technical scheme of the utility model is to be provided with the strong off line structure in contact, prevents because of operating mode badly, even the kick mechanism action, but the too little accident that can not make contact separation and can not cut off circuit of active force takes place, to improve the switch protection coefficient.The strong off line structure in contact can adopt switch self break contact and artificial directly break contact dual mode.Before a kind of strong off line structure in contact of mode comprise central shaft, the push-button socket groove of second torsion spring, push-button socket self rotation, the boss of action contact frame parts, second torsion spring is installed on the central shaft, rely on second torsion spring compressing push-button socket around self rotary middle spindle rotation, the boss of push-button socket groove compressing action contact frame parts, the action contact frame parts are produced a component that makes progress, force contact separation, cut off circuit.The strong off line structure in contact of a kind of mode in back comprises cut-off push button, the boss of push-button socket second guide pillar, push-button socket groove, action contact frame parts, rely on cut-off push button compressing push-button socket second guide pillar, make push-button socket around self pivot rotary middle spindle rotation, boss by push-button socket groove compressing action contact frame parts forces contact separation, cuts off circuit.
Two of the further technical scheme of the utility model is to be provided with the power-failure protecting device; coefficient of safety with further raising switch; this power-failure protecting mechanism comprises push pedal, armature, stage clip, power-failure protecting device main body; push pedal places on the armature; the top of push pedal can touch the root of the adjustable shelf in the transmission mechanism; when circuit power failure or under voltage; power-failure protecting device main body discharges armature; push pedal is pushed up under the stage clip effect; push pedal promotes the adjustable shelf in the heat protection transmission mechanism; drive the motion of heat protection transmission mechanism, cut off circuit.
Three of the further technical scheme of the utility model is to be provided with pre-protective current governor motion; described pre-protective current governor motion comprises adjusts screw, fixed mount parts; the bimetal leaf stiff end places on the fixed mount parts; adjust screw and can touch bimetal leaf; adjust screw by regulating; the position of the cantilever beam of bimetal leaf on the adjustable whole fixed mount parts changes the predeformation amount that bimetal leaf triggered activity frame moves, and finally plays the effect of adjusting pre-protective current.
In sum, the utlity model has following beneficial effect: the hot transmission mechanism of employing compact conformation further improves the function of the open circuit of heat portective switch; Can realize functions such as heat protection, the strong deprotection in contact, power-failure protecting, pre-protective current adjusting and band normal circuit breaker switch, further improve switch safeguard protection coefficient, can adapt to abominable work condition environment.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is the overall structure exploded view of a kind of embodiment of the utility model;
Fig. 2 is a power-failure protecting device decomposition view among Fig. 1;
Fig. 3 is the overall structure stereogram of a kind of embodiment of the utility model;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the A-A cutaway view of Fig. 4;
Fig. 6 is the B-B cutaway view of Fig. 4;
Fig. 7 is the C-C cutaway view of Fig. 4;
Fig. 8 is the A-A cutaway view that Fig. 4 connects operating state.
Fig. 9 is the double-contact structural representation.
Parts marking explanation among the figure: 1. button parts, 2. housing, 3. push-button socket; 4. snap frame, 5. spool, 6. snap frame locating shaft; 7. action contact frame parts, 8. action contact frame stage clip, 9. push rod; 10. middle seat, 11. torsion springs, 12. adjustable shelf stage clips; 13. adjustable shelf, 14. push-button sockets self rotary middle spindle, 15. fixed mount parts; 16. the fixed contact parts, 17. additional inserted sheets, 18. additional screw; 19. slide block, 20. adjust screw, 21. power-failure protecting devices; 22. cut-off push button, 23. shells, 24. power-failure protecting device main bodys; 25. stage clip, 26. armature, 27. buffer substrate tablets; 28. push pedal; 29. bimetal leaf, the T1. first push-button socket guide pillar, the T2. second push-button socket guide pillar; T3. push-button socket inclined-plane; T4. push-button socket groove, T5. snap frame two inclined-planes, T6. snap frame groove; T7. plane on the action contact frame parts; T8. snap frame supporting surface, T9. action contact frame parts boss, the top of T10. push rod; T11. the bottom of push rod; T12. seat groove in, the supporting surface of T13. adjustable shelf, T14. adjustable shelf rotating shaft; T15. adjustable shelf root; T16. bimetal leaf root, T17. push pedal top, T18. push pedal middle part; T19. contact, the T20. base groove.
Embodiment
As Fig. 1, shown in Figure 4, present embodiment is a heat portective switch with functions such as heat protection, the strong deprotection of contact double break, power-failure protecting, pre-protective current adjusting and band normal circuit breaker switches.In seat 10, housing 2 with and fixing mechanism and parts formed a cavity for each mechanism's activity.
As Fig. 1; Fig. 5; Fig. 6; Fig. 7; shown in Figure 8; heat protection transmission mechanism comprises the first fixed contact parts 16; fixed mount parts 15; action contact frame parts 7; action contact frame stage clip 8; can be around the adjustable shelf 13 of self pivot rotation; adjustable shelf stage clip 12; snap frame 4; push-button socket 3; snap frame 4 is contained on the base groove T20 by snap frame locating shaft 6; snap frame 4 can be around the supporting surface T13 of adjustable shelf 13; axle 5 or snap frame locating shaft 6 rotate; push-button socket 3 can be around self pivot rotation; push-button socket 3 is by axle 5 compressing snap frame groove T6; action contact frame parts 7 are positioned at the groove T4 of push-button socket; can move up and down, the fixing bimetal leaf 29 of an end constitutes a cantilever beam, the root T15 of the root T16 compressing adjustable shelf of bimetal leaf under certain operating mode.
In a certain predetermined operating mode, electric current is by the first fixed contact parts 16, action contact frame parts 7, fixed mount parts 15, electric current produces heat, bimetal leaf 29 deforms, bimetal leaf root T16 moves up as free end, when bimetal leaf root T16 amount of movement reaches predetermined value, bimetal leaf root T16 compressing adjustable shelf root T15, and overcome the active force of adjustable shelf stage clip 12, adjustable shelf 13 is rotated counterclockwise around adjustable shelf rotating shaft T14, the supporting surface T13 of adjustable shelf is moved to the left, the final supporting surface T8 that breaks away from snap frame, snap frame supporting surface T8 can not get supporting, torsion spring 11 compressing push-button sockets 3 produce the trend of motion clockwise around push-button socket rotary middle spindle 14, push-button socket 3 is by axle 5 compressing snap frame groove T6, the supporting surface T8 supporting role power of snap frame 4 and snap frame groove T6 compressing dynamic balance are destroyed, snap frame 4 kicks, the snap frame locating shaft 6 that snap frame 4 installs around on base groove T20 is rotated counterclockwise, snap frame two inclined-plane T5 no longer oppress action contact frame parts 7, action contact frame parts 7 move upward under the effect of action contact frame stage clip 8 and reset, contact T19 separates up and down, and circuit is cut off.
As Fig. 1, Fig. 5, shown in Figure 8, the strong off line structure in contact adopts switch self break contact and artificial directly break contact dual mode.Utilize the strong off line structure in contact of switch self structure break contact to comprise central shaft 14, the push-button socket groove T4 of torsion spring 11, push-button socket self rotation, the boss T9 of action contact frame parts, torsion spring 11 is installed on the central shaft 14, rely on torsion spring 11 compressing push-button sockets 3 around self rotary middle spindle 14 rotation, the boss T9 of push-button socket groove T4 compressing action contact frame parts forces contact T19 to separate.When operating mode abominable, the contact T19 of action contact frame parts 7 and the contact T19 of fixed contact parts are welded together, rely on action contact frame stage clip 8 less action force deficiencies so that contact up and down separately the time, at this moment rely on the compressing push-button socket 3 of the effect of torsion spring 11 to rotate around self rotary middle spindle 14, the boss T9 of push-button socket groove T4 compressing action contact frame parts, action contact frame parts 7 are produced a component that makes progress, force contact T19 to separate.
Adopt the strong off line structure in contact of artificial break contact to comprise cut-off push button 22, the boss T9 of the push-button socket second guide pillar T1, push-button socket groove T4, action contact frame parts, rely on the cut-off push button 22 compressing push-button sockets second guide pillar T1, make push-button socket 3 around self rotary middle spindle 14 rotation, and then force contact T19 to separate circuitry cuts by the boss T9 of push-button socket groove T4 compressing action contact frame parts.
For ease of the operation of the strong off line structure in contact, present embodiment adopts the double-contact disrupted configuration, and each is with two contact T19 on extremely action contact frame parts 7.Shown in Fig. 1,9, fixed mount parts 15, the break-make structure that fixed contact parts 16 and action contact frame parts 7 are formed adopts the double-contact disrupted configuration of two groups of contact T19 (four contacts), and being different from the disconnected structure of general list is one group of contact (two contacts).
As Fig. 1, Fig. 2, Fig. 5, shown in Figure 8, power-failure protecting device 21 comprises push pedal 28, armature 26, stage clip 25, power-failure protecting device main body 24, and push pedal 28 places on the armature 26.When circuit power failure or under voltage; power-failure protecting device main body 24 discharges armature 26; push pedal 28 on the armature 26 is pushed up under stage clip 25 effects; the root T15 of the middle part T18 roof pressure adjustable shelf of push pedal; promote the adjustable shelf 13 in the heat protection transmission mechanism; drive the motion of heat protection transmission mechanism, circuitry cuts.Dismountable as required power-failure protecting device 21 does not use with the switch of power-failure protecting function as one.
As Fig. 1, Fig. 5, shown in Figure 8; pre-protective current governor motion comprises adjusts screw 20, fixed mount parts 15; bimetal leaf 29 stiff ends place on the fixed mount parts 15; adjust screw 20 and can touch bimetal leaf 29; adjust screw, the position of the cantilever beam of bimetal leaf on the adjustable whole fixed mount parts by regulating.Present embodiment another program also comprises slide block 19, adjusts screw 20 and places slide block 19, and slide block 19 can touch bimetal leaf 29.During operation; regulate and adjust screw 20; adjust screw 20 compressing slide blocks 19; and then the last bimetal leaf 29 of compressing fixed mount parts 15; change the position of bimetal leaf root T16, the spacing of bimetal leaf root T16 and adjustable shelf root 15 changes, and the predeformation amount that triggers the bimetal leaf 29 of heat protection transmission mechanism action changes; the pre-operating mode that causes the action of heat protection transmission mechanism to change changes, and finally plays the effect of adjusting pre-protective current.
Claims (7)
1. heat portective switch; comprise bimetal leaf (29) and heat protection transmission mechanism that an end is fixing; it is characterized in that described heat protection transmission mechanism comprises fixed contact parts (16); fixed mount parts (15); action contact frame parts (7); action contact frame stage clip (8); can be around the adjustable shelf (13) of self pivot rotation; adjustable shelf stage clip (12); snap frame (4); push-button socket (3); snap frame (4) is contained on the base groove T20 by snap frame locating shaft (6); snap frame (4) can be around the supporting surface (T13) of adjustable shelf (13); axle (5) or snap frame locating shaft (6) rotate; push-button socket (3) can be around self pivot rotation; push-button socket (3) is by axle (5) compressing snap frame groove (T6); action contact frame parts (7) can move up and down in the groove (T4) of push-button socket; the fixing bimetal leaf (29) of one end constitutes a cantilever beam, the root (T15) of root (T16) the compressing adjustable shelf of bimetal leaf under certain operating mode.
2. heat portective switch according to claim 1; it is characterized in that also being provided with the strong off line structure in contact; the strong off line structure in described contact comprises central shaft (14), the push-button socket groove (T4) of torsion spring (11), push-button socket self rotation, the boss (T9) of action contact frame parts; torsion spring (11) is installed on the central shaft (14); rely on torsion spring (11) compressing push-button socket (3) around self rotary middle spindle (14) rotation, the boss (T9) of push-button socket groove (T4) compressing action contact frame parts forces contact (T19) to separate.
3. heat portective switch according to claim 1; it is characterized in that also being provided with the strong off line structure in contact; the strong off line structure in described contact comprises cut-off push button (22); the boss (T9) of push-button socket second guide pillar (T1), push-button socket groove (T4), action contact frame parts; rely on cut-off push button (22) compressing push-button socket second guide pillar (T1); make push-button socket (3) around self rotary middle spindle (14) rotation, and then force contact (T19) to separate by the boss (T9) of push-button socket groove (T4) compressing action contact frame parts.
4. heat portective switch according to claim 1; it is characterized in that also being provided with power-failure protecting device (21); described power-failure protecting device (21) comprises push pedal (28); armature (26); stage clip (25); power-failure protecting device main body (24); push pedal (28) places on the armature (26); the top of push pedal (28) can touch the root of the adjustable shelf (13) in the transmission mechanism; when circuit power failure or under voltage; power-failure protecting device main body discharges armature; push pedal (28) is gone up the top under stage clip (25) effect, the root T15 of push pedal roof pressure adjustable shelf can promote the adjustable shelf (13) in the heat protection transmission mechanism.
5. heat portective switch according to claim 1; it is characterized in that also being provided with pre-protective current governor motion; described pre-protective current governor motion comprises adjusts screw (20), fixed mount parts (15); bimetal leaf (29) stiff end places on the fixed mount parts (15); adjust screw (20) and can touch bimetal leaf (29); adjust screw, the position of the cantilever beam of bimetal leaf on the adjustable whole fixed mount parts by regulating.
6. according to claim 2 or 3 described heat portective switch, each is with two contacts (T19) on extremely to it is characterized in that described action contact frame parts (7).
7. heat portective switch according to claim 5 is characterized in that also comprising slide block (19), adjusts screw (20) and places slide block (19), and slide block (19) can touch bimetal leaf (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201146684U CN201084648Y (en) | 2007-09-11 | 2007-09-11 | Heat protection switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201146684U CN201084648Y (en) | 2007-09-11 | 2007-09-11 | Heat protection switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201084648Y true CN201084648Y (en) | 2008-07-09 |
Family
ID=39627120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201146684U Expired - Lifetime CN201084648Y (en) | 2007-09-11 | 2007-09-11 | Heat protection switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201084648Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064062A (en) * | 2010-11-25 | 2011-05-18 | 宁波方太厨具有限公司 | Switch device |
| CN102723219A (en) * | 2012-06-20 | 2012-10-10 | 科都电气有限公司 | Kick switch with locking mechanism |
-
2007
- 2007-09-11 CN CNU2007201146684U patent/CN201084648Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064062A (en) * | 2010-11-25 | 2011-05-18 | 宁波方太厨具有限公司 | Switch device |
| CN102064062B (en) * | 2010-11-25 | 2013-08-28 | 宁波方太厨具有限公司 | Switch device |
| CN102723219A (en) * | 2012-06-20 | 2012-10-10 | 科都电气有限公司 | Kick switch with locking mechanism |
| CN102723219B (en) * | 2012-06-20 | 2014-09-24 | 科都电气有限公司 | Kick switch with locking mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG PROV KEDOU ELECTRIC MANUFACTURING CO., LT Free format text: FORMER OWNER: ZHENG CHUNKAI Effective date: 20090508 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090508 Address after: Block C, Pu Qi Industrial Zone, Hongqiao Town, Zhejiang City, Yueqing Province, 325608 Patentee after: Zhejiang Kedu Electric Manufacturing Co., Ltd. Address before: Yueqing, Zhejiang province Hongqiao Town, Qi Qi Industrial Zone C block, Zhejiang Branch Electric Manufacturing Co., Ltd., zip code: 325608 Patentee before: Zheng Chunkai |
|
| C56 | Change in the name or address of the patentee |
Owner name: KEDU ELECTRIC CO., LTD. Free format text: FORMER NAME: ZHEJIANG KEDU ELECTRIC MANUFACTURING CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 325608 block C, Qijiang Industrial Zone, Hongqiao Town, Yueqing, Zhejiang Patentee after: Kedu Electric Co., Ltd. Address before: 325608 block C, Qijiang Industrial Zone, Hongqiao Town, Yueqing, Zhejiang Patentee before: Zhejiang Kedu Electric Manufacturing Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080709 |