CN204289262U - A kind of hermetically-sealed construction thermal protector - Google Patents
A kind of hermetically-sealed construction thermal protector Download PDFInfo
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- CN204289262U CN204289262U CN201520025676.6U CN201520025676U CN204289262U CN 204289262 U CN204289262 U CN 204289262U CN 201520025676 U CN201520025676 U CN 201520025676U CN 204289262 U CN204289262 U CN 204289262U
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- base plate
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- sealed construction
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Abstract
The utility model discloses a kind of hermetically-sealed construction thermal protector, base plate is arranged on the lower surface of the square structure enclosure of one end open, static contact and described base plate one-body molded, one end of spring leaf is connected with moving contact, the lower surface of moving contact contacts conducting with static contact upper surface, one end of base plate is terminal, and static contact one end is terminal, and electric wire is connected with terminal respectively; Support is two joint combining structure bodies, and the diameter of first segment is greater than the diameter of second section, being provided with at least one circle groove along the outer surface circumferencial direction of second section, is provided with fluid sealant coating in groove; The procedure that sealing thermal protector of the present utility model avoids owing to using epoxy resin encapsulated to cause is more complicated, environment is had to the defects such as pollution; Avoid employee simultaneously and directly contact industrial chemicals, improve the job security of workman, environmental protection more, and the production of automation sealing can be achieved.
Description
Technical field
The utility model relates to a kind of thermal protector, particularly relates to a kind of hermetically-sealed construction thermal protector.
Background technology
Thermal protector can be referred to as temperature detect switch (TDS), thermostat, heat portective switch or temperature switch, be produced by proprietary technology a kind of excess temperature, overcurrent protection device, its volume is little; contact capacity is large; escape action is quick, dependable performance, is miniature a, quick-action, heat-actuated device.In Thermal protection sciemtifec and technical sphere, it is a protection component be widely used.
Thermal protector is by the different alloy combination of two panels together; by generating heat after electric current; because two kinds of different alloy thermal coefficient of expansions are different; alloy certainly will bend to a direction; contact is left; power-off thereupon, rate of bending is directly proportional to the size of current passed through, and is played the effect of protection power consumption equipment by such mode.
Existing thermal protector; when electrical equipment normally works; bimetal leaf is in free state; contact is in closed/off-state; when temperature is increased to operating temperature value, bimetallic element is heated and produces internal stress and rapidly action, opened/closed contact; cut off/connect circuit, thus play heat protective effect.Be widely used in domestic electric appliance motor and electric equipment, as motor for washer, air conditioner fan motor, transformer, ballast, electric heating appliance etc.
Along with the exploitation progress of electric equipment; more and more higher requirement is proposed to thermal protector; result of use can either be ensured; working (machining) efficiency faster should be had simultaneously; because the needs of above-mentioned thermal protector development, the design people, actively in addition research and innovation; to founding a kind of novel sealing structure thermal protector, it is made to have more practicality.
Utility model content
Main purpose of the present utility model is, overcomes the defect that existing thermal protector exists, and provides a kind of novel sealing structure thermal protector, improves working (machining) efficiency, thus is more suitable for practicality, and have the value in industry.
The purpose of this utility model and solve its technical problem and realize by the following technical solutions.According to the hermetically-sealed construction thermal protector that the utility model proposes, include shell, base plate, support, static contact, spring leaf, moving contact, fluid sealant coating, terminal and electric wire,
Described base plate is arranged on the lower surface of the square structure enclosure of one end open, static contact and described base plate one-body molded, one end of described spring leaf is connected with moving contact, the lower surface of described moving contact contacts conducting with static contact upper surface, one end of described base plate is terminal, described static contact one end is terminal, and described electric wire is connected with terminal respectively;
Support is two joint combining structure bodies, and the diameter of first segment is greater than the diameter of second section, being provided with at least one circle groove along the outer surface circumferencial direction of second section, is provided with fluid sealant coating in described groove;
Described support second section is arranged on enclosure, and the part that described first segment diameter is greater than second section diameter fits with described shell or leaves space.The dimensional fits of shell and support second section is tight, and by sealing glue bond line gap, sealing is better than existing product.
Further, aforesaid hermetically-sealed construction thermal protector, has space in the middle of described static contact and baseplate molding position, and described support second section fills space, and by described static contact and base plate coated.
Further; aforesaid hermetically-sealed construction thermal protector; also include bimetal leaf; one end of described bimetal leaf and the other end of described spring leaf are inserted on the rivet post of base plate one end jointly; the other end of described base plate is terminal; with the second salient point of described base plate for the strong point, after being heated, the function of protective device is played in bimetal leaf bounce-back, and the activity space of the other end of bimetal leaf is protected by the height of described support.
Further; aforesaid hermetically-sealed construction thermal protector, described base plate comprises one section of horizontally disposed bottom, and one end of described bottom is connected with lifts end; terminal and on lift and to be provided with first protruding between end, be provided with second protruding in the protruding scope of described first projection.
Further, aforesaid hermetically-sealed construction thermal protector, described first projection is square structure.
Further, aforesaid hermetically-sealed construction thermal protector, described second projection is conical structure.
Further, aforesaid hermetically-sealed construction thermal protector, described shell aperture one end side is arc structure, and four arms of angle of the second section of support and four corners at the shell place of fitting are arc structure.Ensure the sealing effectiveness that fluid sealant coating is set.
By technique scheme, hermetically-sealed construction thermal protector of the present utility model at least has following advantages:
The procedure that hermetically-sealed construction thermal protector of the present utility model avoids owing to using epoxy resin encapsulated to cause is more complicated, environment is had to the defects such as pollution; Avoid employee simultaneously and directly contact industrial chemicals, improve the job security of workman, environmental protection more, and automation sealing production can be realized.Sealing thermal protector of the present utility model, can arrange terminal, can realize thermal protector after completing and making temperature protection characteristic by the design of terminal, simultaneously can automation riveting electric wire, also can be that connector form directly connects external circuit.Sealing thermal protector of the present utility model, overcomes prior art, and space is little, lead-in wire blocks the defect affecting sealing effectiveness; Arranging of multiple projection ensures that Thermal protection process is carried out smoothly, avoids the danger because error causes more greatly.The structure of enclosed type thermal protector inside of the present utility model is not limited to the form that the present embodiment is enumerated, and any operable thermal protector internal form is all applicable to sealing form of the present utility model.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of specification, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is the front view that the utility model hermetically-sealed construction thermal protector removes shell;
Fig. 2 is the front view of the utility model hermetically-sealed construction thermal protector;
Fig. 3 is a kind of terminal structure left view of the utility model;
Fig. 4 is the left view of the another kind of terminal structure of the utility model;
Fig. 5 is the vertical view that the utility model hermetically-sealed construction thermal protector removes shell;
Fig. 6 is the vertical view of the utility model hermetically-sealed construction thermal protector;
Fig. 7 is the utility model base arrangement schematic diagram;
Mark implication in figure: 1. shell, 2. base plate, 3. support, 4. static contact, 5. bimetal leaf, 6. spring leaf, 7. moving contact, 8. fluid sealant coating, 9. terminal, 10. electric wire, 11. grooves, lift end on 12., and 13. first is protruding, and 14. second is protruding.
Embodiment
For further setting forth the utility model for the technological means reaching predetermined utility model object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, embodiment of the present utility model is described in detail as follows.
Hermetically-sealed construction thermal protector structure schematic diagram of the present utility model as shown in Fig. 1 ~ 7, include shell 1, base plate 2, support 3, static contact 4, bimetal leaf 5, spring leaf 6, moving contact 7, fluid sealant coating 8, terminal 9, electric wire 10, groove 11, on lift end 12, first protruding 13 and the second projection 14.
Hermetically-sealed construction thermal protector of the present utility model includes the square structure shell 1 of one end open; wherein base plate 2 is arranged on the lower surface of shell 1 inside; base plate 2 comprises one section of horizontally disposed bottom; one end of bottom is connected with lifts end 12; on lift the combining structure that end 12 is sectional types; be acclivitous structure in the first half section of combining structure, stage casing is close to being horizontally disposed with, and the second half section is terminal lead-out wire.The other end of bottom is connected with terminal 9, for the connector structure of terminal patterns, the horizontally disposed bottom margin of base plate 2 is provided with the first projection 13, the projection of the first projection 13 is square structure, the second projection 14 is provided with within the bulge-structure scope of the first projection 13, wherein second protruding 14 is conical structure, supports bimetal leaf 5.
Support 3 can be plastic stent, or other have the structure stand of high-temperature insulating quality.The coated base plate 2 of support 3 and static contact 4, one end of static contact 4 is connected with terminal 9, the other end of static contact 4 and base plate 2 adopt injection moulding of insulating to combine, isolated insulation between the lower surface of static contact 4 and base plate 2, be fitted on the upper surface of base 3, wherein one end of spring leaf 6 is connected with moving contact 7, and the lower surface of moving contact 7 contacts conducting with static contact 4 upper surface; One end of bimetal leaf 5 and the other end of spring leaf 6 are inserted in base plate rivet post, and riveted joint combination, the other end of bimetal leaf 5 is protected by the bottom forming region of static contact 4.
Support 3 is two joint combining structure bodies, and the diameter of first segment is greater than the diameter of second section, being provided with at least one circle groove 11 along the outer surface circumferencial direction of second section, is provided with fluid sealant coating 8 in groove 11; It is inner that support 3 second section is arranged on shell 1, and the part that first segment diameter is greater than second section diameter fits with shell 1 or leaves space.The form of terminal 9 is not limited to a kind of form in figure, other connector forms can, electric wire 10 can be riveted according to the instructions for use of product, connector can be done and connect.According to the requirement of concrete service condition, the sleeve pipe of both ends open or sealing can also be provided with at shell 1 and the outer surface of terminal 9, play good insulation effect.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solutions of the utility model, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (7)
1. a hermetically-sealed construction thermal protector; it is characterized in that: include shell (1), base plate (2), support (3), static contact (4), spring leaf (6), moving contact (7), fluid sealant coating (8), terminal (9) and electric wire (10)
Described base plate (2) is arranged on the lower surface of square structure shell (1) inside of one end open, static contact (4) is one-body molded with described base plate (2), one end of described spring leaf (6) is connected with moving contact (7), the lower surface of described moving contact (7) contacts conducting with static contact (4) upper surface, one end of described base plate (2) is terminal (9), described static contact (4) one end is terminal (9), and described electric wire (10) is connected with terminal (9) respectively;
Support (3) is two joint combining structure bodies, the diameter of first segment is greater than the diameter of second section, being provided with at least one circle groove (11) along the outer surface circumferencial direction of second section, in described groove (11), be provided with fluid sealant coating (8);
It is inner that described support (3) second section is arranged on shell (1), and the part that described first segment diameter is greater than second section diameter fits with described shell (1) or leaves space.
2. hermetically-sealed construction thermal protector according to claim 1; it is characterized in that: in the middle of described static contact (4) and base plate (2) shaping position, have space; described support (3) second section fills space, and by coated to described static contact (4) and base plate (2).
3. hermetically-sealed construction thermal protector according to claim 1 and 2; it is characterized in that: also include bimetal leaf (5); one end of described bimetal leaf (5) and the other end of described spring leaf (6) are inserted on the rivet post of base plate (2) one end jointly, and the other end of described base plate (2) is terminal (9).
4. hermetically-sealed construction thermal protector according to claim 1 and 2; it is characterized in that: described base plate (2) comprises one section of horizontally disposed bottom; one end of described bottom is connected with lifts end (12); terminal (9) and on lift to hold between (12) and be provided with the first projection (13), in the protruding scope of described first projection (13), be provided with the second projection (14).
5. hermetically-sealed construction thermal protector according to claim 4, is characterized in that: described first projection (13) is square structure.
6. hermetically-sealed construction thermal protector according to claim 4, is characterized in that: described second projection (14) is conical structure.
7. hermetically-sealed construction thermal protector according to claim 1; it is characterized in that: described shell (1) open at one end side is arc structure, four arms of angle of the second section of support (3) and four corners at shell (1) place of fitting are arc structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520025676.6U CN204289262U (en) | 2015-01-14 | 2015-01-14 | A kind of hermetically-sealed construction thermal protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520025676.6U CN204289262U (en) | 2015-01-14 | 2015-01-14 | A kind of hermetically-sealed construction thermal protector |
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| Publication Number | Publication Date |
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| CN204289262U true CN204289262U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520025676.6U Active CN204289262U (en) | 2015-01-14 | 2015-01-14 | A kind of hermetically-sealed construction thermal protector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529213A (en) * | 2016-01-28 | 2016-04-27 | 苏州工业园区凯恩电子科技有限公司 | Combined temperature controller |
| CN112216554A (en) * | 2020-09-28 | 2021-01-12 | 常熟新都安电器股份有限公司 | Overcurrent thermal protector |
-
2015
- 2015-01-14 CN CN201520025676.6U patent/CN204289262U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529213A (en) * | 2016-01-28 | 2016-04-27 | 苏州工业园区凯恩电子科技有限公司 | Combined temperature controller |
| CN112216554A (en) * | 2020-09-28 | 2021-01-12 | 常熟新都安电器股份有限公司 | Overcurrent thermal protector |
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