CN209675194U - A kind of novel thermal protector - Google Patents
A kind of novel thermal protector Download PDFInfo
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- CN209675194U CN209675194U CN201920510579.4U CN201920510579U CN209675194U CN 209675194 U CN209675194 U CN 209675194U CN 201920510579 U CN201920510579 U CN 201920510579U CN 209675194 U CN209675194 U CN 209675194U
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Abstract
The utility model discloses a kind of novel thermal protectors; including shell; the top inner wall of the shell is fixed with bimetal leaf; being fastened on the outside of the bimetal leaf has resistance wire; the top of the shell, which is run through, is fixed with the first pin; the one side wall of first pin is contacted with the one side wall of bimetal leaf; the side inner wall of the shell is fixed with spring; one end of the spring is fixed with guide plate; the bottom of the guide plate and the bottom interior wall of shell are slidably connected, and are fixed with conducting block at the top of the guide plate.The utility model passes through setting pull rod, pulling plate, placing box, threaded rod, handle, slide plate and inserted link; and jack is offered at the top of pull rod; when electric current is excessive in circuit; bimetal leaf under the action of; after circuitry cuts, trapezoid block can be fixed, so as to so that circuit is constantly in the state of disconnection; it is convenient for the failure of people's detection circuit in this way, and the structure of the thermal protector is relatively simple.
Description
Technical field
The utility model relates to electric circuit protection equipment technical field, specially a kind of novel thermal protector.
Background technique
Thermal protector be the different alloy combination of two panels together, by that can generate heat after electric current, due to two different conjunctions
Golden thermal expansion coefficient is different, and alloy certainly will be bent to a direction, and contact is left, and just broken electricity, rate of bending and the electricity passed through
It is directly proportional to flow size, thus protects electrical equipment.
But the thermal protector having at present after bimetal leaf is cooling will automatic closed circuit, but fault is not arranged also
In the case where removing, electrical equipment, which is again started up, will lead to electrical equipment damage, and the structure of current thermal protector is complex,
It is not easy to quickly produce, therefore we have proposed a kind of novel thermal protectors to solve the above problems.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of novel thermal protector, solves existing part heat
Protector will be in the case that automatic closed circuit but fault do not exclude also after bimetal leaf is cooling, and electrical equipment is again
Secondary starting will lead to electrical equipment damage and the complex problem of structure.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of novel thermal protector, including shell,
The top inner wall of the shell is fixed with bimetal leaf, and being fastened on the outside of the bimetal leaf has resistance wire, the shell
Top through being fixed with the first pin, the one side wall of first pin is contacted with the one side wall of bimetal leaf, the shell
Side inner wall be fixed with spring, one end of the spring is fixed with guide plate, the bottom of the guide plate and the bottom interior wall of shell
It being slidably connected, conducting block is fixed at the top of the guide plate, the one side wall of the conducting block is contacted with the one side wall of bimetal leaf,
The guide plate is fixed with trapezoid block far from the one side wall of spring, and the bottom of the trapezoid block and the bottom interior wall of shell are slided and connected
It connects, the top slide of the trapezoid block is connected with conducting rod, and transverse slat, the top of the conducting rod are provided with above the trapezoid block
End, which slides through, is fixed with movable contact at the top of transverse slat, through second pin is fixed with, described second draws at the top of the shell
The bottom of foot is fixed with stationary contact, contacts at the top of the bottom of the stationary contact and movable contact, the trapezoid block is far from guide plate
One side wall is fixed with pull rod, and the pull rod is fixed with pulling plate far from the one side wall that one end of trapezoid block slides through shell, described
Placing box is provided with above pulling plate, the one side wall of the placing box is fixedly connected with the one side wall of shell, the placing box
It is internally provided with threaded rod, and the both ends of threaded rod pass through bearing and rotate respectively with the bottom interior wall of placing box and top inner wall
Connection, the top of the threaded rod pass through and are fixed with handle at the top of placing box, and the outer sheath of the threaded rod is equipped with slide plate, institute
It states and offers threaded hole at the top of slide plate, the threaded hole of the threaded rod and slide plate is connected through a screw thread, and the slide plate slides connect
It connects in placing box, the bottom of the slide plate is fixed with inserted link, and jack, and inserted link and jack phase are offered at the top of the pull rod
Mutually cooperation.
The technical program is advanced optimized, the bottom of the guide plate is fixed with square block, and the bottom interior wall of the shell is opened
Equipped with square groove, the square block is slidably connected in square groove.
The technical program is advanced optimized, the bottom of the trapezoid block is fixed with limited block, the bottom interior wall of the shell
Limiting slot is offered, the limited block is slidably connected in limiting slot.
The technical program is advanced optimized, the bottom of the conducting rod is fixed with sliding block, opens up at the top of the trapezoid block
There is sliding slot, the sliding block is slidably connected in sliding slot.
The technical program is advanced optimized, the two sidewalls of the slide plate are symmetrically fixed with T-block, the two sides of the placing box
Inner wall offers T-slot, and the T-block is slidably connected at respectively in corresponding T-slot.
The technical program is advanced optimized, the bimetal leaf is composed of the sheet metal of two panels different-alloy.
Advanced optimize the technical program, the material of the shell and pull rod is plastics, the guide plate and trapezoid block
Material is conductive metal.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of novel thermal protector, have it is following the utility model has the advantages that
The novel thermal protector by setting pull rod, pulling plate, placing box, threaded rod, handle, slide plate and inserted link, and is being drawn
Jack is offered at the top of bar, when electric current is excessive in circuit, bimetal leaf under the action of, can will after circuitry cuts
Trapezoid block is fixed, so as to be convenient for the failure of people's detection circuit in this way, and should so that circuit is constantly in the state of disconnection
The structure of thermal protector is relatively simple.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model a-quadrant enlarged structure schematic diagram.
In figure: 1, shell；2, bimetal leaf；3, resistance wire；4, the first pin；5, spring；6, guide plate；7, conducting block；8,
Trapezoid block；9, conducting rod；10, transverse slat；11, movable contact；12, second pin；13, stationary contact；14, pull rod；15, pulling plate；16, it puts
Set case；17, threaded rod；18, handle；19, slide plate；20, inserted link；21, jack；22, square block；23, square groove；24, limited block；
25, limiting slot；26, sliding block；27, sliding slot；28, T-block；29, T-slot.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of novel thermal protector, including shell 1, shell
The top inner wall of body 1 is fixed with bimetal leaf 2, and the outside of bimetal leaf 2, which is fastened, resistance wire 3, and the top of shell 1 is run through
It is fixed with the first pin 4, the one side wall of the first pin 4 is contacted with the one side wall of bimetal leaf 2, and the side inner wall of shell 1 is fixed
There is spring 5, one end of spring 5 is fixed with guide plate 6, and the bottom of guide plate 6 and the bottom interior wall of shell 1 are slidably connected, the top of guide plate 6
Portion is fixed with conducting block 7, and the one side wall of conducting block 7 is contacted with the one side wall of bimetal leaf 2, one side wall of the guide plate 6 far from spring 5
It is fixed with trapezoid block 8, the bottom of trapezoid block 8 and the bottom interior wall of shell 1 are slidably connected, and the top slide of trapezoid block 8 is connected with
Conducting rod 9, the top of trapezoid block 8 are provided with transverse slat 10, and the top that the top of conducting rod 9 slides through transverse slat 10 is fixed with dynamic touching
Point 11, through second pin 12 is fixed with, the bottom of second pin 12 is fixed with stationary contact 13, stationary contact 13 at the top of shell 1
Bottom contacted with the top of movable contact 11, trapezoid block 8 is fixed with pull rod 14 far from the one side wall of guide plate 6, and pull rod 14 is far from ladder
The one side wall that one end of shape block 8 slides through shell 1 is fixed with pulling plate 15, and the top of pulling plate 15 is provided with placing box 16, places
The one side wall of case 16 is fixedly connected with the one side wall of shell 1, and placing box 16 is internally provided with threaded rod 17, and threaded rod 17
Both ends pass through bearing and are rotatablely connected respectively with the bottom interior wall of placing box 16 and top inner wall, and the top of threaded rod 17, which passes through, puts
The top for setting case 16 is fixed with handle 18, and the outer sheath of threaded rod 17 is equipped with slide plate 19, and the top of slide plate 19 offers threaded hole,
Threaded rod 17 and the threaded hole of slide plate 19 are connected through a screw thread, and slide plate 19 is slidably connected in placing box 16, the bottom of slide plate 19
It is fixed with inserted link 20, the top of pull rod 14 offers jack 21, and inserted link 20 and jack 21 cooperate, by the way that pull rod is arranged
14, pulling plate 15, placing box 16, threaded rod 17, handle 18, slide plate 19 and inserted link 20, and jack is offered at the top of pull rod 14
21, when electric current is excessive in circuit, bimetal leaf 2 under the action of, after circuitry cuts, trapezoid block 8 can be fixed, from
And circuit can be made to be constantly in the state of disconnection, it is convenient for the failure of people's detection circuit, and the structure of the thermal protector in this way
It is relatively simple.
Specifically, the bottom of guide plate 6 is fixed with square block 22, the bottom interior wall of shell 1 offers square groove 23, square block
22 are slidably connected in square groove 23, slide in shell 1 convenient for guide plate 6 is stable.
Specifically, the bottom of trapezoid block 8 is fixed with limited block 24, the bottom interior wall of shell 1 offers limiting slot 25, limit
Block 24 is slidably connected in limiting slot 25, is slided in shell 1 convenient for trapezoid block 8 is stable.
Specifically, the bottom of conducting rod 9 is fixed with sliding block 26, the top of trapezoid block 8 offers sliding slot 27, and sliding block 26 slides
It is connected in sliding slot 27, is slided on trapezoid block 8 convenient for conducting rod 9 is stable.
Specifically, the two sidewalls of slide plate 19 are symmetrically fixed with T-block 28, the two sides inner wall of placing box 16 offers T-type
Slot 29, T-block 28 are slidably connected at respectively in corresponding T-slot 29, are slided in placing box 16 convenient for slide plate 19 is stable.
Specifically, bimetal leaf 2 is composed of the sheet metal of two panels different-alloy, the coefficient of expansion of two kinds of alloys is not
Together, when 2 expanded by heating of bimetal leaf, bimetal leaf 2 will bend, so as to push conducting block 7 to trapezoid block 8
Direction movement, thus can be such that movable contact 11 separates with stationary contact 13, and then can be with disconnecting circuit.
Specifically, the material of shell 1 and pull rod 14 is plastics, play the role of felt pad, the material of guide plate 6 and trapezoid block 8
Matter is conductive metal, plays conductive effect.
When in use, at the beginning under the action of spring 5, conducting block 7 can be contacted with bimetal leaf 2, at this time movable contact 11
It can be contacted with stationary contact 13, entire circuit is in closure, and when the electric current in circuit is excessive, resistance wire 3 generates biggish heat
When, the meeting expanded by heating of bimetal leaf 2, to generate bending, it is possible to drive conducting block 7 mobile toward the direction of trapezoid block 8, lead
Electric block 7 drives guide plate 6 to move, and guide plate 6 drives trapezoid block 8 mobile toward the direction of pull rod 14, so conducting rod 9 at this time can be to moving down
Dynamic, so that movable contact 11 be made to separate with stationary contact 13, entire circuit is in an off state, after bimetal leaf 2 is cooling in order to prevent,
It restores to the original state, under the elastic force effect of spring 5, circuit is closed again, pulling plate 15 can be pulled out, until drawing when drawing motionless
The jack 21 at 14 top of bar is exactly in inserted link 20 downward, rotates handle 18, and handle 18 drives threaded rod 17 to rotate, screw thread
Bar 17 drives slide plate 19 to move downward, and slide plate 19 drives inserted link 20 to move downward, so as to so that inserted link 20 is inserted into jack 21
In, pull rod 14 can be thus fixed, and then entire circuit is made to be constantly in off-state, until fault is excluded
Afterwards, inserted link 20 is made to be detached from the jack 21 of pull rod 14, under the action of spring 5, trapezoid block 8 and guide plate 6 all can be toward the directions of spring 5
It is mobile, it can thus make entire closing of circuit.
In conclusion the novel thermal protector, by the way that pull rod 14, pulling plate 15, placing box 16, threaded rod 17, handle is arranged
18, slide plate 19 and inserted link 20, and jack 21 is offered at the top of pull rod 14, when electric current is excessive in circuit, in bimetal leaf 2
Under the action of, after circuitry cuts, trapezoid block 8 can be fixed, so as to so that circuit is constantly in the state of disconnection, this
Sample is convenient for the failure of people's detection circuit, and the structure of the thermal protector is relatively simple.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of novel thermal protector, including shell (1), it is characterised in that: the top inner wall of the shell (1) is fixed with double gold
Belong to piece (2), being fastened on the outside of the bimetal leaf (2) has resistance wire (3), and the top of the shell (1), which is run through, to be fixed with
The one side wall of first pin (4), first pin (4) is contacted with the one side wall of bimetal leaf (2), and the one of the shell (1)
Side inner wall is fixed with spring (5), and one end of the spring (5) is fixed with guide plate (6), the bottom and shell (1) of the guide plate (6)
Bottom interior wall be slidably connected, be fixed with conducting block (7) at the top of the guide plate (6), the one side wall of the conducting block (7) and double
The one side wall of sheet metal (2) contacts, and the guide plate (6) is fixed with trapezoid block (8) far from the one side wall of spring (5), described trapezoidal
The bottom of block (8) and the bottom interior wall of shell (1) are slidably connected, and the top slide of the trapezoid block (8) is connected with conducting rod
(9), it is provided with transverse slat (10) above the trapezoid block (8), the top of the conducting rod (9) slides through the top of transverse slat (10)
Portion is fixed with movable contact (11), and the top of the shell (1), which is run through, to be fixed with second pin (12), the second pin (12)
Bottom is fixed with stationary contact (13), and the bottom of the stationary contact (13) is contacted with the top of movable contact (11), the trapezoid block (8)
One side wall far from guide plate (6) is fixed with pull rod (14), and the pull rod (14) slides through shell far from the one end of trapezoid block (8)
(1) one side wall is fixed with pulling plate (15), is provided with placing box (16) above the pulling plate (15), the placing box (16)
One side wall is fixedly connected with the one side wall of shell (1), and the placing box (16) is internally provided with threaded rod (17), and threaded rod
(17) both ends pass through bearing and are rotatablely connected respectively with the bottom interior wall of placing box (16) and top inner wall, the threaded rod
(17) top passes through to be fixed with handle (18) at the top of placing box (16), and the outer sheath of the threaded rod (17) is equipped with slide plate
(19), threaded hole is offered at the top of the slide plate (19), the threaded rod (17) and the threaded hole of slide plate (19) pass through screw thread
Connection, the slide plate (19) are slidably connected in placing box (16), and the bottom of the slide plate (19) is fixed with inserted link (20), described
It is offered at the top of pull rod (14) jack (21), and inserted link (20) and jack (21) cooperate.
2. a kind of novel thermal protector according to claim 1, it is characterised in that: the bottom of the guide plate (6) is fixed with
The bottom interior wall of square block (22), the shell (1) offers square groove (23), and the square block (22) is slidably connected at rectangular
In slot (23).
3. a kind of novel thermal protector according to claim 1, it is characterised in that: the bottom of the trapezoid block (8) is fixed
Have limited block (24), the bottom interior wall of the shell (1) offers limiting slot (25), and the limited block (24) is slidably connected at limit
In position slot (25).
4. a kind of novel thermal protector according to claim 1, it is characterised in that: the bottom of the conducting rod (9) is fixed
Have sliding block (26), offered sliding slot (27) at the top of the trapezoid block (8), the sliding block (26) is slidably connected at sliding slot (27)
It is interior.
5. a kind of novel thermal protector according to claim 1, it is characterised in that: the two sidewalls of the slide plate (19) are symmetrical
It is fixed with T-block (28), the two sides inner wall of the placing box (16) offers T-slot (29), and the T-block (28) slides respectively
It is dynamic to be connected in corresponding T-slot (29).
6. a kind of novel thermal protector according to claim 1, it is characterised in that: the bimetal leaf (2) is by two panels
The sheet metal of different-alloy is composed.
7. a kind of novel thermal protector according to claim 1, it is characterised in that: the shell (1) and pull rod (14)
Material is plastics, and the material of the guide plate (6) and trapezoid block (8) is conductive metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920510579.4U CN209675194U (en) | 2019-04-16 | 2019-04-16 | A kind of novel thermal protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920510579.4U CN209675194U (en) | 2019-04-16 | 2019-04-16 | A kind of novel thermal protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209675194U true CN209675194U (en) | 2019-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920510579.4U Active CN209675194U (en) | 2019-04-16 | 2019-04-16 | A kind of novel thermal protector |
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| Country | Link |
|---|---|
| CN (1) | CN209675194U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466711A (en) * | 2020-11-30 | 2021-03-09 | 江苏金鑫信息技术有限公司 | Combined adjustable temperature control switch applied to electronic equipment and use method thereof |
-
2019
- 2019-04-16 CN CN201920510579.4U patent/CN209675194U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466711A (en) * | 2020-11-30 | 2021-03-09 | 江苏金鑫信息技术有限公司 | Combined adjustable temperature control switch applied to electronic equipment and use method thereof |
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