CN205845623U - A kind of metal plate type high power varying resistance - Google Patents
A kind of metal plate type high power varying resistance Download PDFInfo
- Publication number
- CN205845623U CN205845623U CN201620790677.4U CN201620790677U CN205845623U CN 205845623 U CN205845623 U CN 205845623U CN 201620790677 U CN201620790677 U CN 201620790677U CN 205845623 U CN205845623 U CN 205845623U
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- slideway
- resistance
- top cover
- metal plate
- plate type
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Abstract
The utility model discloses a kind of metal plate type high power varying resistance, including top cover, base and connecting rod, top cover, connecting rod become I shape to connect with base, it is further opened with helical form slideway around axle centered by connecting rod on top cover, helical form slideway runs through upper surface and the lower surface of top cover, is provided with a conductive slip clamping device in helical form slideway;Being fixedly installed spiral helicine resistance alloys band between top cover and base, the upper end of resistance alloys band extend in helical form slideway;Slip clamping device is slidably connected with resistance alloys band, slip clamping device top is connected with the first exit, the end, wherein one end of resistance alloys band is connected with the second exit, resistance between two exits of resistance alloys band can change along with the slip of slip clamping device, the resistance of resistance can accurately control, the volume of resistance is little, versatility good, it is adaptable to needs the environment of different resistance, reduces use cost.
Description
Technical field
This utility model relates to resistor element field, particularly relates to a kind of metal plate type high power varying resistance.
Background technology
Resistance of the prior art can be divided into by material: fixed carbon resister, metalfilmresistor, wire resistor;These are the most electric
The less power that can not reach required for particular system of power of resistance, therefore needs special a resistance, and gold of the prior art
Belonging to board-like resistance is the most all one layer of insulant of covering outside metallic resistance plate, respectively stretches out one at the two ends of metallic plate and draws
Line, this resistance not only volume ratio is relatively big, takes up room relatively big, and along with when using the rising of resistance temperature can affect by resistance
The performance of other components and parts of limit;Metal plate type resistance of the prior art is the most all rated resistance, is needing different resistance
Environment needs overlap resistance more and carries out dismounting repeatedly, installation, the not only resistance of the resistance of troublesome poeration, cost intensive and installation
Frequent and demand resistance has error, the most how to make the resistance of resistance arbitrarily may be used while reducing metal plate type resistance volume
Regulation, is a technical barrier of this area needs solution.
Summary of the invention
The purpose of this utility model is to provide a kind of metal plate type high power varying resistance, and volume is little, compact conformation, group
Fill convenience, highly versatile, there is relatively high power, it is possible to be effectively reduced resistance temperature in galvanization and rise surrounding
Impact and in the Standard resistance range of a resistance, achieve any regulation of resistance.
Content of the present utility model is: a kind of metal plate type high power varying resistance, including top cover, connecting rod and base,
Top cover, connecting rod and base are made by insulant, and top cover and base are fixing with the top of connecting rod and bottom respectively to be connected,
Top cover, connecting rod and base collectively form I-shaped structure, and top cover upper surface is additionally provided with the first exit and the second exit;
Offering helical form slideway around axle centered by connecting rod on top cover, helical form slideway runs through upper surface and the lower surface of top cover,
Helical form slideway is provided with a conductive slip clamping device;Spiral helicine conjunction it is fixedly installed between top cover and base
Gold resistor, the length of run of described resistance alloys band is identical with the length of run of helical form slideway, the upper end of resistance alloys band
It extend in helical form slideway;Slip clamping device is slidably connected with resistance alloys band, and slip clamping device top is drawn with first
Going out end to be connected, the end, wherein one end of resistance alloys band is connected with the second exit;Also include high-temperature insulation shell,
High-temperature insulation shell, top cover and base jointly enclose and form the closing space accommodating resistance alloys band.
It is further opened with the helical groove for clamping resistance alloys band on the most described base upper surface.
The most described helical form slideway includes the first slideway, the second slideway and the 3rd slideway, institute the most successively
State the length of the first slideway, the second slideway length identical with the length of helical form slideway with the length of the 3rd slideway, and first
Slideway, the second slideway and the 3rd slideway are respectively provided with uniform width;First slideway is connected with the upper surface of top cover, the 3rd slideway
Being connected with the lower surface of top cover, the first slideway, the second slideway and the 3rd slideway are sequentially communicated from top to bottom, the width of the first slideway
The width of degree and the second slideway is more than the width of the 3rd slideway, and the width of the 3rd slideway is not less than the thickness of resistance alloys band.
The upper end of the most described resistance alloys band is through the 3rd slideway and extend into the second slideway.
The most described slip clamping device includes that shifting block, connection post and clamping part, shifting block and clamping part are fixed respectively
Being connected to connect top and the bottom of post, shifting block is arranged on the top of helical form slideway, and the width of shifting block is more than the first slideway
Width, connects post and is arranged in the first slideway and connects the diameter of post and be not more than the width of the first slideway, and clamping part is arranged on the
In two slideways, clamping part is clamped in resistance alloys band upper end.
The most described clamping part is an elastic metallic folder.
The most described shifting block and connect post and be made up of insulant, and shifting block and connection post are additionally provided with a gold
Belonging to wire, the lower end of plain conductor is connected with elastic metallic folder, and the upper end of plain conductor is connected with the first exit.
The most also including a small-sized ohmmeter, described ohmmeter is arranged on the upper surface of top cover, ohmmeter
Two measurement ends connect the first exit and the second exit respectively.
The most described ohmmeter is the ohmmeter with display panels.
The first described further exit and the second exit are copper sheet pin.
The beneficial effects of the utility model are: metal plate type high power varying resistance described in the utility model is by using
Resistance alloys band, as resistance material, can have bigger power;By being fixedly installed helical form between top cover and base
Resistance alloys band and the helical form slideway offered on top cover in a conductive slip clamping device, slip clamp are set
Hold the set-up mode that device is slidably connected with resistance alloys band, be possible not only to effectively reduce the volume of resistance, and work as slip clamp
Holding device when sliding in helical form slideway, the resistance between two exits of resistance alloys band can be along with slip clamping device
Sliding and change, the resistance of resistance can accurately control, and resistance versatility is good, decreases the waste of resistance alloys band, reduces
Use cost;Being inserted in helical form slideway resistance alloys band upper end further, resistance alloys band lower end is connected to base
In the helical groove that upper surface is offered, not only the assembling of resistance is very convenient, and resistance alloys band will not be in top lid and bottom
Producing between Zuo and rock, the stability of device is strong;Further via arranging high-temperature insulation shell, outside high-temperature insulation
Shell, top cover and base jointly enclose and form the closing space accommodating resistance alloys band, it is possible to be effectively reduced resistance and using
In journey, temperature rises the impact on surrounding, improves the overall precision of resistance place system.
Accompanying drawing explanation
Fig. 1 is sectional view of the present utility model;
Fig. 2 is top view of the present utility model;
Fig. 3 is slip clamping device schematic diagram described in the utility model.
Detailed description of the invention
In order to be illustrated more clearly that the technical scheme of this utility model detailed description of the invention, below will be to detailed description of the invention
In description, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is of the present utility model
Preferred implementation, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
These accompanying drawings acquire other accompanying drawing.
As shown in Figure 1, Figure 2 and Figure 3, a kind of metal plate type high power varying resistance, including top cover 1, connecting rod 2 and base
3, top cover 1, connecting rod 2 and base 3 are made for insulant, and top cover 1 and base 3 are solid with the top of connecting rod 2 and bottom respectively
Determining to connect, top cover 1, connecting rod 2 and base 3 collectively form I-shaped structure, and top cover 1, connecting rod 2 and base 3 are opened from top to bottom
It is provided with the hole 11 running through top cover 1, connecting rod 2 and base 3, insulant can be saved.
Being further opened with helical form slideway 7 around axle centered by connecting rod 2 on described top cover 1, helical form slideway 7 runs through top cover
The upper surface of 1 and lower surface, be fixedly installed spiral helicine resistance alloys band 5 between top cover 1 and base 3, resistance alloys band 5
Length of run is identical with the length of run of helical form slideway 7;Helical form slideway 7 include the most successively the first slideway, second
Slideway and the 3rd slideway, the length of the length of the first slideway, the length of the second slideway and the 3rd slideway and the length of helical form slideway
Spend identical, and the first slideway, the second slideway and the 3rd slideway are respectively provided with uniform width;First slideway and the upper surface of top cover 1
Being connected, the 3rd slideway is connected with the lower surface of top cover 1, and the first slideway, the second slideway and the 3rd slideway are the most successively
Connection, the width of the first slideway and the width of the second slideway are more than the width of the 3rd slideway, and the width of the 3rd slideway is not less than closing
The thickness of gold resistor 5;The width of the preferably the 3rd slideway is equal to the thickness of resistance alloys band 5, and the upper end of resistance alloys band 5 is worn
Cross the 3rd slideway and extend into the second slideway;It is further opened with the helical form for clamping resistance alloys band 5 recessed on base 3 upper surface
Groove 8;The upper end of resistance alloys band 5 is connected to setting in helical groove 8 through the lower end of the 3rd slideway and resistance alloys band 5
The mode of putting make the assembling of resistance very convenient and in use resistance alloys band 5 will not produce and rock.
Being provided with a conductive slip clamping device 6 in described helical form slideway 7, slip clamping device 6 includes dialling
Block 12, connection post 15 and elastic metallic folder 14, shifting block 12 and elastic metallic folder 14 are respectively fixedly connected with at the top connecting post 15
And bottom, shifting block 12 and connection post 15 are provided with a plain conductor 13, plain conductor 13 bottom presss from both sides 14 phases with elastic metallic
Even, the set-up mode being connected with elastic metallic folder 14 by plain conductor 13, can reduce self resistance pair of slip clamping device 6
The impact of whole resistance precision;Shifting block 12 is arranged on the top of helical form slideway 7 and the width of shifting block 12 more than the first slideway
Width, the diameter connecting in post 15 is arranged on the first slideway and connecting post 15 is not more than the width of the first slideway, preferably connects
The diameter of post 15 is equal to the upper width of the first slideway, so permissible when slip clamping device 6 slides in helical form slideway 7
Reduce rocking of slip clamping device 6, increase the service life of resistance;Elastic metallic folder 14 is arranged in the second slideway, elastic
Metal clip 14 is clamped in resistance alloys band 5 upper end;Top cover 1 upper surface is provided with copper sheet pin 9 and copper sheet pin 10, shifting block
12 tops connect copper sheet pin 9 by plain conductor 13, and the fixing copper sheet that connects in the end, wherein one end of resistance alloys band 5 draws
Foot 10, copper sheet pin 10 reaches the upper surface of top cover 1 by helical form slideway 7, by stirring slip clamping device 6 at spiral shell
Sliding in rotation shape slideway 7, the resistance between copper sheet pin 9 and copper sheet pin 10 can be along with the slip of slip clamping device 6
And change, the resistance of resistance can accurately control, recursive use in the environment needing different resistance, resistance versatility
Good, decrease the waste of resistance material, reduce use cost.
Also including high-temperature insulation shell 4, high-temperature insulation shell 4, top cover 1 and base 3 jointly enclose formation and close
Space, resistance alloys band 5 is arranged in described closing space, and this setup can be effectively reduced resistance and use
In journey, temperature rises the impact on surrounding, improves resistance place system overall precision.
Being additionally provided with a small-sized ohmmeter 16 on top cover 1 upper surface, ohmmeter 16 has display panels, ohm
Two measurement ends of table 16 connect copper sheet pin 9 and copper sheet pin 10 respectively, and by ohmmeter 16, user can be the most square
Just learn the resistance of current resistance, and stir the resistance that slip clamping device 6 obtains needing to use, control by shifting block 12
Make more accurate.
During manufacture, produce the top cover 1 with helical form slideway 7, connecting rod 2 and recessed with helical form first with mould
The base 3 of groove 8, is connected connecting rod 2 with base 3, and then one end is fixedly connected with the resistance alloys of copper sheet pin 10
It is enclosed within connecting rod 2 with 5 and the lower end of resistance alloys band 5 is connected in helical groove 8, by the top of top cover 1 with connecting rod 2
The upper end of resistance alloys band 5 is connected to the 3rd slideway of helical form slideway 7 by portion while being connected, and it is sliding to extend into helical form
Second slideway in road 7, copper sheet pin 10 reaches the top of top cover 1 by helical form slideway 7;As top cover 1, connecting rod 2 and
After the junction glue special of base 3 or silica gel solid are reserved, slip clamping device 6 is inserted in helical form slideway 7 and incites somebody to action
Elastic metallic folder 14 is clamped to the upper end of resistance alloys band 5;Then the tubbiness high-temperature insulation shell 4 made with a silica gel overlaps
Between top cover 1 and base 3, by high-temperature insulation shell 4 and the junction of top cover 1 and high-temperature insulation shell 4 and base 3
Junction silica gel sealing fix;Finally ohmmeter 16 is arranged on top cover 1 upper surface and one end of ohmmeter 16 is connected
The copper sheet pin 9 connected to slip clamping device 6 top, the other end is connected to copper sheet pin 10 and i.e. completes of the present invention
The manufacture of high power varying resistance.
Last it is noted that above example is only in order to illustrate the technical solution of the utility model, it is not intended to limit;
Although being described in detail this utility model with reference to foregoing embodiments, those of ordinary skill in the art should manage
Solve: the technical scheme described in previous embodiment still can be modified by it, or to the most some or all of technology
Feature carries out equivalent;And these amendments or replacement, do not make the essence of appropriate technical solution depart from this utility model real
Execute the scope of example technical scheme.
Claims (10)
1. a metal plate type high power varying resistance, including top cover, connecting rod and base, top cover, connecting rod and base by
Insulant is made, and top cover and base are fixing with the top of connecting rod and bottom respectively to be connected, and top cover, connecting rod and base are common
Constitute I-shaped structure, it is characterised in that: top cover upper surface is additionally provided with the first exit and the second exit;On top cover around
Centered by connecting rod, axle offers helical form slideway, and helical form slideway runs through upper surface and the lower surface of top cover, helical form slideway
In be provided with a conductive slip clamping device;Spiral helicine resistance alloys band it is fixedly installed between top cover and base,
The length of run of described resistance alloys band is identical with the length of run of helical form slideway, and the upper end of resistance alloys band extend into spiral
In shape slideway;Slip clamping device is slidably connected with resistance alloys band, and slip clamping device top is connected with the first exit,
The end, wherein one end of resistance alloys band is connected with the second exit;Also include high-temperature insulation shell, high-temperature insulation
Shell, top cover and base jointly enclose and form the closing space accommodating resistance alloys band.
2. a kind of metal plate type high power varying resistance as claimed in claim 1, it is characterised in that: base is also opened on upper surface
It is provided with the helical groove for clamping resistance alloys band.
3. metal plate type high power varying resistance as claimed in claim 2 a kind of, it is characterised in that: described helical form slideway from
Include the first slideway, the second slideway and the 3rd slideway the most successively, the length of described first slideway, the length of the second slideway and
The length of the 3rd slideway is identical with the length of helical form slideway, and the first slideway, the second slideway and the 3rd slideway are respectively provided with uniformly
Width;First slideway is connected with the upper surface of top cover, and the 3rd slideway is connected with the lower surface of top cover, the first slideway,
Two slideways and the 3rd slideway are sequentially communicated from top to bottom, and the width of the first slideway and the width of the second slideway are more than the 3rd slideway
Width, the width of the 3rd slideway is not less than the thickness of resistance alloys band.
4. a kind of metal plate type high power varying resistance as claimed in claim 3, it is characterised in that: the upper end of resistance alloys band
Through the 3rd slideway and extend into the second slideway.
5. a kind of metal plate type high power varying resistance as claimed in claim 4, it is characterised in that: described slip clamping device
Top and the bottom connecting post it is fixedly connected on respectively including shifting block, connection post and clamping part, shifting block and clamping part;Shifting block is arranged
At the top of helical form slideway, the width of shifting block, more than the width of the first slideway, connects in post is arranged on the first slideway and connects
The diameter of post is not more than the width of the first slideway, and clamping part is arranged in the second slideway, and clamping part is clamped on resistance alloys band
End.
6. a kind of metal plate type high power varying resistance as claimed in claim 5, it is characterised in that: described clamping part is one
Elastic metallic presss from both sides.
7. a kind of metal plate type high power varying resistance as claimed in claim 6, it is characterised in that: described shifting block and connection post
It is made up of insulant, and shifting block and connection post are additionally provided with a plain conductor, the lower end of plain conductor and elastic metallic
Folder is connected, and the upper end of plain conductor is connected with the first exit.
8. a kind of metal plate type high power varying resistance as described in claim 1-7 is arbitrary, it is characterised in that: also include one
Small-sized ohmmeter, described ohmmeter is arranged on the upper surface of top cover, and two measurement ends of ohmmeter connect first respectively and draw
Go out end and the second exit.
9. a kind of metal plate type high power varying resistance as claimed in claim 8, it is characterised in that: described ohmmeter is for having
The ohmmeter of display panels.
10. a kind of metal plate type high power varying resistance as claimed in claim 9, it is characterised in that: the first described extraction
End and the second exit are copper sheet pin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620790677.4U CN205845623U (en) | 2016-07-26 | 2016-07-26 | A kind of metal plate type high power varying resistance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620790677.4U CN205845623U (en) | 2016-07-26 | 2016-07-26 | A kind of metal plate type high power varying resistance |
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CN205845623U true CN205845623U (en) | 2016-12-28 |
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CN201620790677.4U Withdrawn - After Issue CN205845623U (en) | 2016-07-26 | 2016-07-26 | A kind of metal plate type high power varying resistance |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106057388A (en) * | 2016-07-26 | 2016-10-26 | 黄河科技学院 | Metal plate type high-power variable resistor |
-
2016
- 2016-07-26 CN CN201620790677.4U patent/CN205845623U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106057388A (en) * | 2016-07-26 | 2016-10-26 | 黄河科技学院 | Metal plate type high-power variable resistor |
CN106057388B (en) * | 2016-07-26 | 2017-11-10 | 黄河科技学院 | A kind of metal plate type high power varying resistance |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20161228 Effective date of abandoning: 20171110 |