CN102208302B - Temperature control switch - Google Patents
Temperature control switch Download PDFInfo
- Publication number
- CN102208302B CN102208302B CN 201010139437 CN201010139437A CN102208302B CN 102208302 B CN102208302 B CN 102208302B CN 201010139437 CN201010139437 CN 201010139437 CN 201010139437 A CN201010139437 A CN 201010139437A CN 102208302 B CN102208302 B CN 102208302B
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- pedestal
- actuating strut
- upper cover
- spring
- movable contact
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Abstract
The invention discloses a temperature control switch which has a simple structure and greatly reduced volume. The temperature control switch comprises a base, an upper cover, an operating double-metal sheet, an operating rod, a movable contact spring, a static contact spring and an offsetting spring, wherein the operating double-metal sheet is fixed at the bottom of the base; a through hole is formed in the center of a bottom plate of the base; the operating rod is movably arranged in the through hole of the bottom plate of the base up and down; the upper cover is fixed on the upper part of the base; the movable contact spring and the static contact spring are fixed on the upper cover respectively; a limiting boss is arranged in the middle of the operating rod; the upper end of the operating rod extends out of the upper cover; the offsetting spring is arranged between the limiting boss of the operating rod and the side wall of the base; a lug boss pressed against the movable contact spring is arranged on the upper part of the operating rod; and the bottom end of the operating rod is pressed against the operating double-metal sheet.
Description
Technical field
The present invention relates to a kind of temperature detect switch (TDS), particularly a kind of temperature detect switch (TDS) that adopts steam to control.
Background technology
The temperature detect switch (TDS) that available technology adopting steam is controlled generally adopts horizontal type structure, be that actuating strut adopts horizontal layout, the middle part of actuating strut is provided with rotating fulcrum, uses the lever principle action, the general volume of the temperature detect switch (TDS) of above-mentioned horizontal type structure is larger, is unfavorable for the miniaturization requirement of household electrical appliances design.The temperature detect switch (TDS) that adopts vertical structure is also arranged in prior art, but structure is more complicated, actuating strut and release link adopt isolating construction, actuating strut can only be by action bimetal leaf control action, and release link can only realize reset function, can not realize forcing movable contact spring to disconnect, can not reach all functions of horizontal type structure temperature detect switch (TDS).
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of simple in structure, temperature detect switch (TDS) that volume dwindles greatly.
for solving the problems of the technologies described above, the present invention is by the following technical solutions: a kind of temperature detect switch (TDS), comprise pedestal, upper cover, the action bimetal leaf, actuating strut, movable contact spring, static contact, back-moving spring, the action bimetal leaf is fixed on the bottom of pedestal, the central authorities of pedestal bottom plate are provided with through hole, actuating strut is arranged in the through hole of pedestal bottom plate up and down movably, upper cover is fixed on the top of pedestal, movable contact spring and static contact are separately fixed at and cover, the middle part of actuating strut is provided with limiting stand, upper cover is stretched out in the upper end of actuating strut, back-moving spring is arranged between the sidewall of the limiting stand of actuating strut and pedestal, the top of actuating strut is provided with the boss that coordinates with the movable contact spring butt, the bottom of actuating strut coordinates with action bimetal leaf butt.
The beneficial effect of temperature detect switch (TDS) of the present invention is: owing to adopting vertical design, the action bimetal leaf is arranged on the bottom of actuating strut, and movable contact spring is arranged on the top of actuating strut, and structure is very compact, has greatly dwindled the volume of temperature detect switch (TDS); Because the top of actuating strut is provided with the boss that coordinates with the movable contact spring butt, the bottom of actuating strut coordinates with action bimetal leaf butt, actuating strut both can be by action bimetal leaf control action, also can be by the top control action of actuating strut, therefore actuating strut both can be realized reset function, also can realize forcing movable contact spring to disconnect, reach all functions of horizontal type structure temperature detect switch (TDS) fully.
The invention will be further described below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the general structure schematic diagram of a kind of embodiment of temperature detect switch (TDS) of the present invention;
Fig. 2 is the left view of temperature detect switch (TDS) in Fig. 1;
Fig. 3 is the upward view of temperature detect switch (TDS) in Fig. 2;
Fig. 4 is the vertical view of temperature detect switch (TDS) in Fig. 2;
Fig. 5 is the structure for amplifying schematic diagram of actuating strut in Fig. 1;
Fig. 6 is the right view of actuating strut in Fig. 5.
In each accompanying drawing: 1, actuating strut; 11, limiting stand; 12, boss; 13, lifting rod; 14, annular steel spring mounting groove; 2, movable contact spring; 3, static contact; 4, upper cover; 5, back-moving spring; 6, pedestal; 61, sheet metal mounting jaw; 62, flange; 63, steel spring installing port; 7, action bimetal leaf.
Embodiment
as extremely shown in Figure 6 in Fig. 1, a kind of embodiment of temperature detect switch (TDS) of the present invention, comprise pedestal 6, upper cover 4, action bimetal leaf 7, actuating strut 1, movable contact spring 2, static contact 3, back-moving spring 5, action bimetal leaf 7 is fixed on the bottom of pedestal 6, the central authorities of pedestal 6 base plates are provided with through hole, actuating strut 1 is arranged in the through hole of pedestal 6 base plates up and down movably, upper cover 4 is fixed on the top of pedestal 6, movable contact spring 2 and static contact 3 are separately fixed on upper cover 4, the middle part of actuating strut 1 is provided with limiting stand 11, upper cover 4 is stretched out in the upper end of actuating strut 1, back-moving spring 5 is arranged between the sidewall of the limiting stand 11 of actuating strut 1 and pedestal 6, the top of actuating strut 1 is provided with the boss 12 that coordinates with movable contact spring 2 butts, the bottom of actuating strut 1 coordinates with action bimetal leaf 7 butts.for the structure that makes temperature detect switch (TDS) compacter, described pedestal 6 is drum-shaped, upper cover 4 is circular, back-moving spring 5 is two plane storage power steel springs, circular upper cover 4 is fixed by screws on the sidewall of drum-shaped pedestal 6, the steel spring installing port 63 that communicates before and after the sidewall of drum-shaped pedestal 6 is provided with, be respectively equipped with steel spring mounting groove (not shown) on the left and right sidewall of drum-shaped pedestal 6, limiting stand 11 is provided with annular steel spring mounting groove 14, one end of two plane storage power steel springs 5 is stuck in the both sides steel spring mounting groove of pedestal 6, the other end of two plane storage power steel springs 5 is stuck in annular steel spring mounting groove 14 both sides of limiting stand 1.For the ease of fixing action bimetal leaf, the bottom of described drum-shaped pedestal 6 is provided with along the circumferential direction equally distributed four sheet metal mounting jaws 61, wherein two relative sheet metal mounting jaws 61 are provided with and move the flange 62 that bimetal leaf 7 clampings coordinate, and the flange 62 by both sides will move bimetal leaf 7 and be fixed between four sheet metal mounting jaws 61.For the ease of moving up and down of actuating strut, the upper end of described actuating strut 1 is provided with the lifting rod 13 perpendicular with actuating strut 1, by lifting rod 13 is set, both but the pressing action bar 1, also but the pull lift action bar 1, realize moving up and down of actuating strut 1, thereby realize conducting or the disconnection of movable contact spring 2 and static contact 3.
the operation principle of temperature detect switch (TDS) of the present invention is: as shown in Figure 1, when action bimetal leaf 7 is heated kick, because the bottom of actuating strut 1 coordinates with action bimetal leaf 7 butts, moving upward of action bimetal leaf 7 pushing action bars 1, the annular steel spring mounting groove 14 of actuating strut 1 drives two side plane storage power steel springs 5 and also moves upward, when two side plane storage power steel springs 5 surpass balance point, two side planes storages power steel springs 5 withstand on limiting stand 11 position that contacts with upper cover 4 with actuating strut 1, the boss 12 of actuating strut 1 backs down movable contact spring 2, thereby realize the disconnection of movable contact spring 2 and static contact 3, when needing turn-on power, pressing action bar 1 moves downward actuating strut 1, the annular steel spring mounting groove 14 of actuating strut 1 drives two side plane storage power steel springs 5 and also moves downward, when two side plane storage power steel springs 5 surpass balance point, two side planes storages power steel springs 5 withstand on limiting stand 11 position that contacts with pedestal 6 base plates with actuating strut 1, the boss 12 of actuating strut 1 moves downward, and movable contact spring 2 resets downwards under self elastic force effect, thereby realizes the closed conducting of movable contact spring 2 and static contact 3, when needing to force deenergization, pull lift action bar 1 moves upward actuating strut 1, the annular steel spring mounting groove 14 of actuating strut 1 drives two side plane storage power steel springs 5 and also moves upward, when two side plane storage power steel springs 5 surpass balance point, two side planes storages power steel springs 5 withstand on limiting stand 11 position that contacts with upper cover 4 with actuating strut 1, the boss 12 of actuating strut 1 backs down movable contact spring 2, thereby realizes that movable contact spring 2 and the pressure of static contact 3 disconnect.
Claims (3)
1. temperature detect switch (TDS), it is characterized in that: comprise pedestal (6), upper cover (4), action bimetal leaf (7), actuating strut (1), movable contact spring (2), static contact (3), back-moving spring (5), action bimetal leaf (7) is fixed on the bottom of pedestal (6), the central authorities of pedestal (6) base plate are provided with through hole, actuating strut (1) is arranged in the through hole of pedestal (6) base plate up and down movably, upper cover (4) is fixed on the top of pedestal (6), movable contact spring (2) and static contact (3) are separately fixed on upper cover (4), the middle part of actuating strut (1) is provided with limiting stand (11), upper cover (4) is stretched out in the upper end of actuating strut (1), back-moving spring (5) is arranged between the sidewall of the limiting stand (11) of actuating strut (1) and pedestal (6), the top of actuating strut (1) is provided with the boss (12) that coordinates with movable contact spring (2) butt, the bottom of actuating strut (1) coordinates with action bimetal leaf (7) butt, described pedestal (6) is drum-shaped, upper cover (4) is circular, back-moving spring (5) is two plane storage power steel springs, circular upper cover (4) is fixed by screws on the sidewall of drum-shaped pedestal (6), the steel spring installing port (63) that communicates before and after the sidewall of drum-shaped pedestal (6) is provided with, be respectively equipped with the steel spring mounting groove on the left and right sidewall of drum-shaped pedestal (6), limiting stand (11) is provided with annular steel spring mounting groove (14), one end of two plane storage power steel springs (5) is stuck in the both sides steel spring mounting groove of pedestal (6), the other end of two plane storage power steel springs (5) is stuck in annular steel spring mounting groove (14) both sides of limiting stand (1).
2. temperature detect switch (TDS) according to claim 1, it is characterized in that: the bottom of described drum-shaped pedestal (6) is provided with along the circumferential direction equally distributed four sheet metal mounting jaws (61), and wherein relative two sheet metal mounting jaws (61) are provided with and move the flange (62) that bimetal leaf (7) clamping coordinates.
3. temperature detect switch (TDS) according to claim 1 and 2, it is characterized in that: the upper end of described actuating strut (1) is provided with the lifting rod (13) perpendicular with actuating strut (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010139437 CN102208302B (en) | 2010-03-31 | 2010-03-31 | Temperature control switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010139437 CN102208302B (en) | 2010-03-31 | 2010-03-31 | Temperature control switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102208302A CN102208302A (en) | 2011-10-05 |
| CN102208302B true CN102208302B (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010139437 Active CN102208302B (en) | 2010-03-31 | 2010-03-31 | Temperature control switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102208302B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382410A (en) * | 2016-11-03 | 2017-02-08 | 上海航天设备制造总厂 | Temperature-controlled emergency switch used for LNG valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2714644A (en) * | 1953-09-11 | 1955-08-02 | Westinghouse Electric Corp | Thermostat apparatus |
| US4554525A (en) * | 1982-03-03 | 1985-11-19 | Electrovac Fabrikation Electrotechnischer Spezialartikel Gesellschaft Mbh | Thermal switch |
| CN2433727Y (en) * | 2000-08-11 | 2001-06-06 | 芦小芹 | Non-self-healing butterfly-shape double-sheetmetal thermally-actuated switch |
| CN2519398Y (en) * | 2001-11-11 | 2002-10-30 | 李萌 | Passive reset bitemperature bibreakage dish shaped bimetal sheet temperature control device |
| CN2585393Y (en) * | 2002-11-08 | 2003-11-05 | 李鸿林 | High-power temp. control device |
| CN201622978U (en) * | 2010-03-31 | 2010-11-03 | 浙江家泰电器制造有限公司 | Temperature controlled switch |
-
2010
- 2010-03-31 CN CN 201010139437 patent/CN102208302B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2714644A (en) * | 1953-09-11 | 1955-08-02 | Westinghouse Electric Corp | Thermostat apparatus |
| US4554525A (en) * | 1982-03-03 | 1985-11-19 | Electrovac Fabrikation Electrotechnischer Spezialartikel Gesellschaft Mbh | Thermal switch |
| CN2433727Y (en) * | 2000-08-11 | 2001-06-06 | 芦小芹 | Non-self-healing butterfly-shape double-sheetmetal thermally-actuated switch |
| CN2519398Y (en) * | 2001-11-11 | 2002-10-30 | 李萌 | Passive reset bitemperature bibreakage dish shaped bimetal sheet temperature control device |
| CN2585393Y (en) * | 2002-11-08 | 2003-11-05 | 李鸿林 | High-power temp. control device |
| CN201622978U (en) * | 2010-03-31 | 2010-11-03 | 浙江家泰电器制造有限公司 | Temperature controlled switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102208302A (en) | 2011-10-05 |
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