CN209641458U - A kind of high-power machinery switch with built-in-potential device - Google Patents
A kind of high-power machinery switch with built-in-potential device Download PDFInfo
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- CN209641458U CN209641458U CN201920627535.XU CN201920627535U CN209641458U CN 209641458 U CN209641458 U CN 209641458U CN 201920627535 U CN201920627535 U CN 201920627535U CN 209641458 U CN209641458 U CN 209641458U
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- potentiometer
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Abstract
The utility model provides a kind of high-power machinery switch with built-in-potential device, comprising: shell, selector lever and vernier knob；It is provided with resistor body in shell, deformable static contact is provided in resistor body, the two sides of each static contact are hinged with engaging component；Selector lever is connected with the shaft for extending to enclosure interior, and movable contact is provided in shaft, and the card slot matched with engaging component is offered on movable contact；It further include the potentiometer and controller for thering is setting to connect inside housings and with movable contact, vernier knob connects potentiometer；And when shaft rotation, controller controlling potential device restores minimum output valve.In the above-described embodiments, movable contact is driven successively to be in contact from the static contact of different resistance values by selector lever, and it is even closer by engaging component to connect movable contact with static contact, it prevents from being connect empty phenomenon on fire by generation when external shock power, and the fine tuning in setting range is carried out to resistance value by potentiometer, the scope of application is wider.
Description
Technical field
The utility model relates to mechanical switch technical field more particularly to a kind of with the high-power of built-in-potential device
Mechanical switch.
Background technique
In the output of high-power electric current, mechanical switch is generally used to change the on-off and electricity of circuit in a manner of mechanical touching
The adjusting of output valve is flowed, however existing mechanical touching conducting is mostly that movable contact is pressed on stationary contact, in mechanical switch sheet
After body is influenced by external shock power, the dynamics that compresses between movable contact and stationary contact is shaken, and causes to generate between the two
Heat increases after connecing void, ultimately causes phenomenon on fire, causes security risk, also, existing gears regulating switch does not have both to electricity
The effect that flow resistance value is finely adjusted, causes the scope of application to obtain certain restrictions.
Utility model content
In consideration of it, the embodiment of the present application provide it is a kind of with built-in-potential device high-power machinery switch it is quiet for improving
The phenomenon for heat of shooting without hitting the target is connect between contact and movable contact by generation after external shock power, and has both the fine tuning of electric current resistance value, makes to fit
It is wider with range.
The utility model provides a kind of high-power machinery switch with built-in-potential device, this has built-in-potential device
High-power machinery switch includes: shell, selector lever and vernier knob；
Resistor body is provided in the shell, the inner wall of the resistor body is circumferentially spaced to be provided with deformable stationary contact
Piece, the two sides of each static contact are hinged with engaging component along the deformation direction of the static contact；
The selector lever is rotatably connected on the hull outside, and the selector lever is connected with and extends to the shell
Internal shaft is provided with the movable contact being slidably matched with the static contact in the shaft, offered on the movable contact with
The card slot that the engaging component matches；
It further include having the potentiometer that the enclosure interior is set and is connect with the movable contact and described for controlling
Potentiometer restores the controller of initial value, and the vernier knob connects the potentiometer；And be provided in the shaft with it is described
The displacement detector of controller signals connection.
In the above-described embodiments, movable contact is driven successively to be in contact from the static contact of different resistance values by selector lever, and
Movable contact is connect with static contact by engaging component even closer, prevent from being connect empty phenomenon on fire by generating when external shock power, and
The fine tuning in setting range is carried out to resistance value by potentiometer, the scope of application is wider.
Preferably, the inner wall of the shell is provided with multiple cooling fins.Make the reduction of shell body temperature.
Preferably, each static contact is the elastic strip body that middle part is swelled.Elasticity is supported between static contact and movable contact
Pressure.
Preferably, the protuberance two sides of each static contact are provided with the engaging component；
Wherein, each engaging component includes: the bending bar of lever, the hinged lever；Described in the lever connection
Static contact, the bending part of the bending bar are hinged on the inner wall of the resistor body, the bending bar far from the lever one
End is provided with the fixture block matched with the card slot.Fixture block engages the card slot of movable contact, and contact area is big, and is being shaken power
Afterwards, guarantee to compress dynamics between movable contact and static contact.
Preferably, the end two sides of the movable contact have chamfering, and the card slot and the fixture block correspond.
Preferably, the potentiometer is digital regulation resistance, and the vernier knob is rotatably connected in the selector lever
Center portion position.Current output value is finely adjusted.
Preferably, institute's displacement sensing device is the gyro sensor being arranged in the shaft；The controller exists
When the gyro sensor detects shaft rotation, controls the potentiometer and restore minimum output valve.Control more intelligence
Energyization.
It preferably, further include the resistance value table of setting on the housing, the resistance value table and the potentiometer are electrical
Connection.The variation of moment understanding resistance value.
Detailed description of the invention
Fig. 1 is that the detonation configuration of the high-power machinery switch provided by the embodiment of the utility model with built-in-potential device shows
It is intended to；
Fig. 2 is the structural schematic diagram of engaging component provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of another engaging component provided by the embodiment of the utility model；
Fig. 4 is the structural schematic diagram of movable contact provided by the embodiment of the utility model.
Appended drawing reference:
- 7 current potential of -6 movable contact of shell -1 selector lever -2 vernier knob -3 resistor body -5 static contact of -4 shaft
- 14 fixture block -15 of -13 bending bar of device -8 gyro sensor -9 controller -10 cooling fin -12 lever of -11 resistance value table
- 16 chamfering -17 of card slot
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The high-power machinery switch provided by the embodiments of the present application with built-in-potential device is understood first of all for facilitating, first
Illustratively its application scenarios, existing high-power machinery switch is when by extraneous shaking force, internal static contact and dynamic touching
Contact point between point generates shaking, to cause to connect heat of shooting without hitting the target, causes some potential safety problems, and adjusts electric current output resistance
Value range is small, and electric current resistance value is adjusted in various aspects, and the scope of application obtains certain limitation, and the embodiment of the present application provides a kind of tool
There is the high-power machinery of built-in-potential device to switch, is mounted on the biggish mechanical equipment of shaking force for improving mechanical switch, and
There is the improvement of fine-adjusting current resistance value to mechanical equipment.
The high-power machinery switch to provided by the embodiments of the present application with built-in-potential device is said with reference to the accompanying drawing
It is bright.
It is the high-power machinery switch provided by the embodiment of the utility model with built-in-potential device referring initially to Fig. 1, Fig. 1
Configuration schematic diagram；It is provided by the embodiments of the present application with built-in-potential device high-power machinery switch include: shell 1,
Selector lever 2 and vernier knob 3；Component of the shell 1 as the protection internal structure in the embodiment of the present application has one
Fixed dust-proof radiating performance, and according to high-power machinery switch after the use of long-time time, the higher defect of internal temperature, In
The inner wall of shell 1 is provided with multiple cooling fins 11.
With continued reference to Fig. 1 and Fig. 2, resistor body 4, the circumferentially spaced setting of the inner wall of resistor body 4 are provided in shell 1
There is deformable static contact 6, the two sides of each static contact 6 are hinged with engaging component along the deformation direction of static contact 6；The stationary contact
Piece 6 is uniformly arranged according to different electric current resistance value intervals；Each static contact 6 is the elastic strip body that middle part is swelled；Each stationary contact
The protuberance two sides of piece 6 are provided with engaging component；
Selector lever 2 is rotatably connected on outside shell 1, and selector lever 2 is connected with the shaft 5 extended to inside shell 1,
It is provided with the movable contact 7 being slidably matched with static contact 6 in shaft 5, the card slot matched with engaging component is offered on movable contact 7
16。
In said structure as can be seen that when rotating selector lever 2, the static contact 6 different from position of movable contact 7 connects
Touching compresses, and is engaged movable contact 7 by engaging component, avoids when receiving external force vibration, between static contact 6 and movable contact 7
Contact site generates the variation for compressing power, to cause to connect hot hidden danger of shooting without hitting the target.
In specific setting engaging component, each engaging component includes: the bending bar 14 of lever 13, hinged lever 13；Thick stick
Bar 13 connects static contact 6, and the bending part of bending bar 14 is hinged on the inner wall of resistor body 4, bending bar 14 far from lever 13 one
End is provided with the fixture block 15 matched with card slot 16.The end two sides of movable contact 7 have chamfering 17, and card slot 16 and fixture block 15 1
One is corresponding.
In said structure as can be seen that by shaft 5 drive movable contact 7 along resistor body 4 install movable contact spring annular ring around
Track movement, be successively in contact from the static contact 6 of different resistance values, movable contact 7 push static contact 6 ridge when, it is quiet
The pushing lever 13 of contact 6, makes the top of bending bar 14 come closer, and injects in the card slot 16 of movable contact 7, makes to be located at the shelves
The static contact 6 of position engages closely with movable contact 7, engages between static contact 6 and movable contact 7 caused by effectivelying prevent because of mechanical shock
It is not tight, the bad drawback of conveying electric current.
Show with continued reference to the structure that Fig. 3 and Fig. 4, Fig. 3 are another engaging components provided by the embodiment of the utility model
It is intended to；With the static contact 6 to be deformed by lower pressure when compressing lever 13 and bending bar 14, because movable contact 7 is fortune
Static contact 6 is pushed in dynamic, for this purpose, being pressed on the protuberance of static contact 6 for movable contact 7 when the engaging of fixture block 15 enters in card slot 16
Top, card slot 16 is the card slot 16 for penetrating through 7 length of movable contact, in attached drawing 3, when lever 13 and bending bar 14 move, and fixture block
15 is, with certain upward gradient, when movable contact 7 will be pressed on the top of static contact 6, fixture block 15 are by bending bar
14 inside direction of motion variations, fixture block 15 is horizontal, and coincides with card slot 16, when continuing to push static contact 6, fixture block 15
It is inserted into card slot 16, the dynamics that limit movable contact 7 compresses static contact 6 is constant, and the dog-ear end of bending bar 14 is hinged by conductive shaft
On resistor body 4, thus enlarged contact areas, entire process of shifting gears is accomplished without any letup, simple and convenient, and in this application embodiment
Movable contact 7 is using movable contact 7 equally with certain elasticity, and when movable contact 7 is not in contact with static contact 6, movable contact 7 is sliding
It moves on resistor body 4, and when replacing transforming gear, rotates movable contact 7, card slot 16 is detached from the engaging of fixture block 15 after rotating, quiet
Contact 6 resets state when deformation occurs.
It further include having the potentiometer 8 that 1 inside of shell is set and is connect with movable contact 7 and for controlling with continued reference to Fig. 1
Point device processed restores the controller 10 of initial value, and vernier knob 3 connects potentiometer 8；And it is provided in shaft 5 and believes with controller 10
Number connection displacement detector.Displacement detector is the gyro sensor 9 being arranged in shaft 5；Controller 10 is in top
When spiral shell instrument sensor 9 detects that shaft 5 rotates, controlling potential device 8 restores minimum output valve.
Potentiometer 8 is digital regulation resistance 8, and vernier knob 3 is rotatably connected on the centre of selector lever 2.It further include setting
The resistance value table 12 on shell 1 is set, resistance value table 12 and potentiometer 8 are electrically connected.
In said structure as can be seen that when movable contact 7 is in contact with the static contact 6 of big region division resistance value and is connected,
It is finely adjusted by digital regulation resistance 8, the resistance value of the range is adjusted again, be applicable in the fine tuning positioning of mechanical speed, letter
It is single convenient.
For the controller 10 used in the embodiment of the present application for singlechip controller 10, potentiometer 8 uses digital regulation resistance
WDH22 because digital regulation resistance 8 is also known as numerical control programmable resistance, and controls digital regulation resistance 8 by singlechip controller 10 and carries out
Reset minimum output valve, need to illustrate, gyro sensor 9 is when detecting that shaft 5 rotates, as movable contact 7
Movement is in contact on resistor body 4 from different static contacts 6, and controller 10 is after receiving 9 information of gyro sensor, control
The resistance output valve of potentiometer 8 restores minimum value, and as after transformation gear, point device is located in the minimum resistance value of the gear, In
By rotating vernier knob 3, the resistance output valve between the gear and adjacent high tap position is converted, adjustable range is wider, right at this
Signal transmission form in the embodiment of the present application, which is not done, excessively to be repeated, and is transmission mode as known to those skilled in the art.
In addition, the embodiment of the present application middle gear handle 2 is the handle with elastic detent, vernier knob 3 is electrodeless rotation
Knob, resistor body 4, static contact 6, shaft 5, engaging component etc. component are universal standard part, and those skilled in the art know
The component of dawn, structure and principle are all that those skilled in the art are known by technical manual or by routine experiment method,
This, which does not do, again excessively repeats.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (8)
1. a kind of high-power machinery switch with built-in-potential device characterized by comprising shell, selector lever and micro-
Adjust knob；
Resistor body is provided in the shell, the inner wall of the resistor body is circumferentially spaced to be provided with deformable static contact, often
The two sides of a static contact are hinged with engaging component along the deformation direction of the static contact；
The selector lever is rotatably connected on the hull outside, and the selector lever is connected with and extends to the enclosure interior
Shaft, be provided with the movable contact being slidably matched with the static contact in the shaft, offered on the movable contact with it is described
The card slot that engaging component matches；
It further include having the potentiometer that the enclosure interior is set and is connect with the movable contact and for controlling the current potential
Device restores the controller of initial value, and the vernier knob connects the potentiometer；And it is provided in the shaft and the control
The displacement detector of device signal connection.
2. as described in claim 1 with built-in-potential device high-power machinery switch, which is characterized in that the shell it is interior
Wall is provided with multiple cooling fins.
3. the high-power machinery with built-in-potential device switchs as described in claim 1, which is characterized in that each stationary contact
Piece is the elastic strip body that middle part is swelled.
4. the high-power machinery with built-in-potential device switchs as claimed in claim 3, which is characterized in that each stationary contact
The protuberance two sides of piece are provided with the engaging component；
Wherein, each engaging component includes: the bending bar of lever, the hinged lever；The lever connects the stationary contact
Piece, the bending part of the bending bar are hinged on the inner wall of the resistor body, and the bending bar is set far from one end of the lever
It is equipped with the fixture block matched with the card slot.
5. the high-power machinery with built-in-potential device switchs as claimed in claim 4, which is characterized in that the movable contact
End two sides have chamfering, and the card slot and the fixture block correspond.
6. the high-power machinery with built-in-potential device switchs as described in claim 1, which is characterized in that the potentiometer is
Digital regulation resistance, the vernier knob are rotatably connected on the centre of the selector lever.
7. the high-power machinery with built-in-potential device switchs as claimed in claim 6, which is characterized in that the displacement detecting
Device is the gyro sensor being arranged in the shaft；The controller detects described turn in the gyro sensor
When axis rotates, controls the potentiometer and restore minimum output valve.
8. the high-power machinery switch with built-in-potential device as described in claim 1-7 any one, which is characterized in that also
Including resistance value table on the housing is arranged, the resistance value table and the potentiometer are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920627535.XU CN209641458U (en) | 2019-05-05 | 2019-05-05 | A kind of high-power machinery switch with built-in-potential device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920627535.XU CN209641458U (en) | 2019-05-05 | 2019-05-05 | A kind of high-power machinery switch with built-in-potential device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209641458U true CN209641458U (en) | 2019-11-15 |
Family
ID=68498176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920627535.XU Active CN209641458U (en) | 2019-05-05 | 2019-05-05 | A kind of high-power machinery switch with built-in-potential device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209641458U (en) |
-
2019
- 2019-05-05 CN CN201920627535.XU patent/CN209641458U/en active Active
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