CN206271633U - Overload protective device - Google Patents
Overload protective device Download PDFInfo
- Publication number
- CN206271633U CN206271633U CN201621164519.4U CN201621164519U CN206271633U CN 206271633 U CN206271633 U CN 206271633U CN 201621164519 U CN201621164519 U CN 201621164519U CN 206271633 U CN206271633 U CN 206271633U
- Authority
- CN
- China
- Prior art keywords
- conducting strip
- temperature
- sensing element
- protective device
- overload protective
- 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.)
- Active
Links
Abstract
The utility model is related to emergency protective device technical field; a kind of especially overload protective device; characterized in that, the overload protective device includes square insulating shell, the first conducting strip, the second conducting strip, temperature-sensing element, stationary contact, movable contact, spring and adjusting screw；One side of the square insulating shell has a vertical mounting groove, and another side has and is transversely mounted groove；First conducting strip and the second conducting strip are L-shaped, are respectively and fixedly provided with stationary contact on one end of first conducting strip and the second conducting strip, and the other end is respectively from being transversely mounted groove and longitudinally mounted groove stretches out；The temperature-sensing element is arranged in the square insulating shell, and has the movable contact being correspondingly arranged with the stationary contact thereon, and the adjusting screw sequentially passes through temperature-sensing element and spring and fixed with the square insulating outer casing screw from top to bottom.The utility model compact conformation, it is easily installed and with sensitivity higher.
Description
Technical field
The utility model is related to emergency protective device technical field, especially a kind of overload protective device.
Background technology
Overload protective device is usually to make to playing protection in various motors, the overcurrent of electrical equipment and overheat cutoff circuit
With.Existing protector rely primarily on temperature-sensing element be heated generation internal stress and back-flexing, push movable contact open so as to cut off electricity
Road.
Current many electric motor of automobile, yacht motor use low-voltage, high-current operational mode, it is desirable to have reliably protecting device, protect
If shield device reaction it is insensitive often because electric current is too high or temperature is too high in loop and damage electronic component.In addition, mistake
Carry protector typically small, will also be important to note that to be easily installed during deisgn product.
Utility model content
The utility model is for current protector in the prior art is not sensitive enough, inconvenient installation problem, and research sets
A kind of overload protective device for being quick on the draw, being easily installed of meter.
The technical solution adopted in the utility model is：
A kind of overload protective device, it is characterised in that the overload protective device include square insulating shell, the first conducting strip,
Second conducting strip, temperature-sensing element, stationary contact, movable contact, spring and adjusting screw；One side of the square insulating shell has
Vertical mounting groove, another side has and is transversely mounted groove；First conducting strip and the second conducting strip are L-shaped, described first
It is respectively and fixedly provided with stationary contact on one end of conducting strip and the second conducting strip, the other end is respectively from being transversely mounted groove and longitudinally mounted groove is stretched
Go out；The temperature-sensing element is arranged in the square insulating shell, and is had thereon dynamic tactile with what the stationary contact was correspondingly arranged
Point, the adjusting screw sequentially passes through temperature-sensing element and spring and is fixed with the square insulating outer casing screw from top to bottom.
Further, the center of the temperature-sensing element has a yi word pattern hole, and the adjusting screw is from the yi word pattern
Passed through in the middle of hole.
Further, first conducting strip is arranged in the square insulating shell with second conducting strip, and
The one end for being provided with stationary contact is fixed by rivet with the square insulating shell.
Further, the temperature-sensing element is rectangle, and its short side is arc-shaped, the square insulating enclosure tool
There is the cavity being adapted with the temperature-sensing element.
Further, the movable contact is symmetricly set on the lower surface of the temperature-sensing element.
Further, the bottom of the square insulating shell has spring groove, and the spring is resisted against the spring groove
Interior, the spring groove bottom is the screwed hole for screwing in adjusting screw.
Relative to prior art, the utility model apparently has the advantages that：
1st, overload protective device of the present utility model is double to contact using what is be separated from each other, and any contact separation can disconnect electricity
Road, dual-protection circuit is more reliable.
2nd, yi word pattern hole is set in temperature-sensing element center, temperature-sensing element is easier upset, and temperature-sensing element is used
Adjusting screw and spring are fixed, and are capable of achieving the fine adjustment function of protector action time.
3rd, compact conformation, temperature-sensing element is located inside square shell, is preferably protected, and square shell is easier peace
Dress.
Brief description of the drawings
Fig. 1 is the utility model embodiment exploded perspective figure；
Fig. 2 is the utility model embodiment front sectional view.
In figure, 1, square insulating shell, 11, vertical mounting groove, 12, be transversely mounted groove, 13, spring groove, 2, first is conductive
Piece, the 3, second conducting strip, 4, temperature-sensing element, 41, yi word pattern hole, 5, stationary contact, 6, movable contact, 7, spring, 8, adjusting screw.
Specific embodiment
In order that technical problem, technical scheme and beneficial effect that the utility model is solved become more apparent, below
With reference to drawings and Examples, the utility model is further elaborated.It should be appreciated that specific implementation described herein
Example is only used to explain the utility model, is not used to limit the utility model.
In description of the present utility model, it is to be understood that term " radial direction ", " axial direction ", " on ", D score, " top ",
The orientation or position relationship of the instruction such as " bottom ", " interior ", " outward " are based on orientation shown in the drawings or position relationship, merely to just
Described with simplified in description the utility model, must be with specific side rather than the device or element for indicating or imply meaning
Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In description of the present utility model
In, unless otherwise indicated, " multiple " is meant that two or more.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model
Dress ", " setting ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary.For the ordinary skill in the art,
Concrete meaning of the above-mentioned term in the utility model can as the case may be understood.
Overload protective device as depicted in figs. 1 and 2, including square insulating shell 1, the first conducting strip 2, the second conducting strip 3,
Temperature-sensing element 4, stationary contact 5, movable contact 6, spring 7 and adjusting screw 8.One side of square insulating shell 1 has vertical installation
Groove 11, another side have be transversely mounted groove 12, in the present embodiment vertical mounting groove 11 be transversely mounted groove 12 respectively square
The adjacent side of insulation crust 1, the first conducting strip 2 and the second conducting strip 3 are L-shaped, the first conducting strip 2 and the second conducting strip 3
The one end in square insulating shell 1 upper surface on be respectively and fixedly provided with stationary contact 5, the other end is respectively from being transversely mounted groove 12
Stretched out with vertical mounting groove 11；First conducting strip 2 and the second conducting strip 3 have one end of stationary contact 5 exhausted with square by rivet
Edge shell 1 is fixed.Temperature-sensing element 4 is arranged in square insulating shell 1, and is had thereon dynamic tactile with what stationary contact 5 was correspondingly arranged
Point 6, adjusting screw 8 sequentially passes through temperature-sensing element 4 and spring 7 and is screwed with square insulating shell 1 from top to bottom.
In order that temperature-sensing element 4 is heated easily overturn, the sensitive-type of overload protective device, the center of temperature-sensing element 4 are improved
Position has yi word pattern hole 41, and adjusting screw 8 is passed through from the middle of yi word pattern hole 41.
In the present embodiment, temperature-sensing element 4 is rectangle, and its short side is arc-shaped, the inside of the square insulating shell 1 tool
There is the cavity being adapted with the temperature-sensing element 4.
In the present embodiment, temperature-sensing element 4 is bimetal leaf.
In the present embodiment, movable contact 6 is symmetricly set on the lower surface of temperature-sensing element 4.
In order to preferably be positioned to spring 7, the bottom of square insulating shell 1 has spring groove 13, and spring 7 is resisted against spring
In groove 13, the bottom of spring groove 13 is the screwed hole for screwing in adjusting screw 8.
Shell is insulator, and protective action is played to temperature-sensing element.
In the present embodiment, shell is set into squarely, it is easier to coordinate with other parts and install, and cause that this overload is protected
Shield device compact conformation.
Certainly not deniable is that the temperature-sensing element 4 described in the utility model can also be by the sense with same characteristic
Warm element replaces, should be in protection domain of the present utility model.
Specifically, the operation principle of overload protective device is：When overload protective device accesses circuit, operating current passes through temperature-sensitive
Element 4, after under heating effect of current is acted on, mutation upset, the two ends of temperature-sensing element 4 produce change in displacement to drive two to temperature-sensing element 4
Individual movable contact 6 is moved together so that movable contact 6 is separated with stationary contact 5, so that circuit loop is cut off, when heat on temperature-sensing element 4
Can be automatically reset after dispersing, two pairs of contacts are so as to connect circuit loop.
Above-mentioned is enlightenment according to desirable embodiment of the present utility model, by above-mentioned description, relevant staff
Various changes and amendments can be carried out in the range of without departing from this utility model technological thought completely.This practicality
New technical scope is not limited to the content on specification, it is necessary to determine its according to right technical
Scope.
Claims (6)
1. a kind of overload protective device, it is characterised in that the overload protective device includes square insulating shell (1), the first conducting strip
(2), the second conducting strip (3), temperature-sensing element (4), stationary contact (5), movable contact (6), spring (7) and adjusting screw (8)；The side
One side of shape insulation crust (1) has a vertical mounting groove (11), and another side has and is transversely mounted groove (12)；Described first leads
Electric piece (2) and the second conducting strip (3) are L-shaped, are fixed on one end of first conducting strip (2) and the second conducting strip (3)
There is a stationary contact (5), the other end is respectively from being transversely mounted groove (12) and vertical mounting groove (11) stretches out；The temperature-sensing element (4) sets
Put in the square insulating shell (1), and there is the movable contact (6) being correspondingly arranged with the stationary contact (5), the tune thereon
Whole screw (8) sequentially passes through temperature-sensing element (4) and spring (7) and is screwed with the square insulating shell (1) from top to bottom.
2. overload protective device according to claim 1, it is characterised in that the center of the temperature-sensing element (4) has
Yi word pattern hole (41), the adjusting screw (8) passes through from the middle of the yi word pattern hole (41).
3. overload protective device according to claim 1, it is characterised in that first conducting strip (2) is led with described second
Electric piece (3) is arranged in the square insulating shell (1), and is provided with one end of stationary contact (5) by rivet and the side
Shape insulation crust (1) is fixed.
4. the overload protective device according to claim any one of 1-3, it is characterised in that the temperature-sensing element (4) is rectangular
Shape, and its short side is arc-shaped, has the cavity being adapted with the temperature-sensing element (4) inside the square insulating shell (1).
5. overload protective device according to claim 4, it is characterised in that the movable contact (6) is symmetricly set on the sense
The lower surface of warm element (4).
6. overload protective device according to claim 1, it is characterised in that the bottom of the square insulating shell (1) has
Spring groove (13), the spring (7) is resisted against in the spring groove (13), and spring groove (13) bottom is to make adjusting screw
(8) screwed hole for screwing in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621164519.4U CN206271633U (en) | 2016-11-01 | 2016-11-01 | Overload protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621164519.4U CN206271633U (en) | 2016-11-01 | 2016-11-01 | Overload protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206271633U true CN206271633U (en) | 2017-06-20 |
Family
ID=59038773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621164519.4U Active CN206271633U (en) | 2016-11-01 | 2016-11-01 | Overload protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206271633U (en) |
-
2016
- 2016-11-01 CN CN201621164519.4U patent/CN206271633U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10270317B2 (en) | Motor temperature monitoring | |
| CN202758812U (en) | A current and temperature dual protector | |
| CN205645680U (en) | Temperature controller of high security | |
| CN101958212B (en) | Receptacle type residual current circuit breaker | |
| CN206271633U (en) | Overload protective device | |
| CN201303151Y (en) | Leakage protection socket | |
| CN206271635U (en) | Sensitive-type overcurrent protector | |
| CN103400730B (en) | A kind of protective device with overtemperature and overcurrent double shielding | |
| CN203932973U (en) | Earth leakage protective device | |
| CN101645566B (en) | Leakage protection socket | |
| CN202034304U (en) | Active time delay temperature control switch | |
| CN204348635U (en) | A kind of adjustable overcurrent non-electricity protector | |
| CN102683124A (en) | Overload alarm non-tripping device of thermomagnetic plastic housing circuit breaker | |
| CN206271636U (en) | A kind of low-voltage, high-current protector | |
| CN107768191A (en) | Current temperature protector | |
| CN206098323U (en) | Thermal protector | |
| CN207474380U (en) | A kind of detection device of structural fire protection apparatus overload protector | |
| CN213584461U (en) | Safety plug based on shape memory alloy | |
| CN206259300U (en) | A kind of sensitive-type low current protector | |
| CN208539166U (en) | A kind of socket having insulating heat-conductive part | |
| CN215069700U (en) | Intelligent switch assembly for electrical protection | |
| CN216353956U (en) | Temperature-controlled circuit breaker | |
| CN208189506U (en) | A kind of high voltage fuse | |
| CN201667323U (en) | Circuit breaker with plastic casing | |
| CN206505868U (en) | Moment superhigh temperature overcurrent protective device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |