CN207233492U - A kind of patch wire wound resistor - Google Patents
A kind of patch wire wound resistor Download PDFInfo
- Publication number
- CN207233492U CN207233492U CN201721274274.5U CN201721274274U CN207233492U CN 207233492 U CN207233492 U CN 207233492U CN 201721274274 U CN201721274274 U CN 201721274274U CN 207233492 U CN207233492 U CN 207233492U
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- Prior art keywords
- contact
- fixed
- resistance
- lower housing
- conductive
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Abstract
The utility model discloses a kind of patch wire wound resistor, including upper shell, conductive copper sheet and lower housing shell, the inner cavity of the lower housing shell is fixedly arranged in the middle of ceramic core, the both ends of the ceramic core are fixedly connected with chapeau de fer, the bottom of the chapeau de fer is fixed with out-connecting contact, the out-connecting contact penetrates the bottom of lower housing shell, it is fixed on the right side of the resistance coil on ceramic core, the top of described point of resistance conductive head is fixed with contact, the lower housing shell is fixedly arranged above upper shell, sliding slot is provided with the middle part of the upper shell, described point of resistance conductive head is upwardly penetrated through in the bottom of upper shell, the side of the sliding slot is provided with groove, the inside grooves bottom corresponds to sliding slot and is fixed with conductive contact blade, the right end of the conductive contact blade is fixedly connected with conductive copper sheet, adjusting slider is equipped with the sliding slot, the adjusting slider is fixed with contact by groove ends.The utility model allows hand over a variety of resistance values, and each gear resistance value is stablized, and practicality is high, and preparation is simple, cost is low.
Description
Technical field
It the utility model is related to technical field of electronic components, more particularly to a kind of patch wire wound resistor.
Background technology
Wire resistor is a kind of resistor formed again by insulation-encapsulated processing in insulation framework with resistance filament winding, electric
Resistance silk is generally made of alloys such as the nickel chromium triangle of certain resistivity, copper-manganeses, and insulation framework is using ceramics or glass fibre skeleton.It is logical
The length for controlling resistance wire and thickness are crossed to control the size of resistance, there is the characteristics of temperature coefficient is small, and precision is higher.
Chip-R mostly domestic at present is typically only single power, i.e. resistance value is fixed, and can not need the resistance value can
Work under conditions of switching.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this reason, this reality
It is to propose a kind of patch wire wound resistor with a new purpose, allow hand over a variety of resistance values, each gear resistance value is stablized, real
It is high with property, and preparation is simple, cost is low.
The technical solution of the utility model is：
A kind of patch wire wound resistor, including upper shell, conductive copper sheet and lower housing shell, the inner cavity middle part of the lower housing shell are solid
Surely there is ceramic core, the both ends of the ceramic core are fixedly connected with chapeau de fer, and resistance coil is wound with the outside of ceramic core, the electricity
It is fixed on the left of resistance coil on chapeau de fer, the bottom of the chapeau de fer is fixed with out-connecting contact, and the out-connecting contact penetrates lower housing shell
Bottom, be fixed on ceramic core on the right side of the resistance coil, and a point resistance conductive head is fixed with the outside of resistance coil, it is described
The top of resistance conductive head is divided to be fixed with contact；
The lower housing shell is fixedly arranged above upper shell, and sliding slot, described point of resistance conductive head are provided with the middle part of the upper shell
In the bottom for upwardly penetrating through upper shell, and the contact on point resistance conductive head top matches with sliding slot bottom, the side of the sliding slot
Face is provided with groove, and the inside grooves bottom corresponds to sliding slot and is fixed with conductive contact blade, and the right end of the conductive contact blade is fixedly connected
There is conductive copper sheet, the bottom of the conductive copper sheet is fixedly connected with the contact on chapeau de fer top, and adjusting slider is equipped with the sliding slot,
The adjusting slider is fixed with contact by groove ends, and the contact is engaged with conductive contact blade, and the bottom of the adjusting slider is consolidated
Surely there is contact, and the contact of adjusting slider is in contact with point contact on resistance conductive head top.
Preferably, the center bottom both sides of the upper shell are fixed with buckle, and the lower housing shell corresponds to buckle and is provided with card slot.
Preferably, it is cast with epoxy resin layer on the outside of the ceramic core and resistance coil.
Preferably, the adjusting slider tip material is plastics, and slipper material outside is conductive copper sheet.
Preferably, the contact surface of the upper shell and lower housing shell matches.
Preferably, the thickness of the out-connecting contact through lower housing shell is 1-2mm.
Beneficial effect：Upper shell and lower housing shell can be fixed tightly by buckle, avoid upper shell and lower housing shell from loosening separation,
Slided by adjusting slider and be in contact from different points of resistance conductive heads, and path is formed by conductive copper sheet and out-connecting contact, it is reachable
To the purpose of regulation resistance, while resistance coil is cast using epoxy resin, using the anti-flammability of epoxy resin, high temperature resistant,
Resistance to high humidity and the characteristic of insulation, therefore security is higher.The patch wire wound resistor of the utility model is simple in structure, security
Height, allows hand over a variety of resistance values, and each gear resistance value is stablized, and practicality is high, and preparation is simple, cost is low,
Brief description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form the limitation to the utility model.In the accompanying drawings：
Fig. 1 be the utility model proposes a kind of patch wire wound resistor front view；
Fig. 2 be the utility model proposes a kind of patch wire wound resistor left view；
Fig. 3 be the utility model proposes a kind of patch wire wound resistor top view.
In figure：1st, upper shell, 2, conductive copper sheet, 3, lower housing shell, 4, chapeau de fer, 5, out-connecting contact, 6, ceramic core, 7, asphalt mixtures modified by epoxy resin
Lipid layer, 8, resistance wire, 9, point resistance conductive head, 10, buckle, 11, conductive contact blade, 12, adjusting slider.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
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.
The example of the embodiment is shown in the drawings, wherein same or similar label represents identical or class from beginning to end
As element or there is same or like element.The embodiments described below with reference to the accompanying drawings are exemplary, purport
For explaining the utility model, and it is not intended that limitation to the utility model.
In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limit to the utility model
System.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be two
The interaction relationship of connection or two elements inside element.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
With reference to Fig. 1-3, a kind of patch wire wound resistor, including upper shell 1, conductive copper sheet 2 and lower housing shell 3, the lower casing
The inner cavity of body 3 is fixedly arranged in the middle of ceramic core 6, and the both ends of the ceramic core 6 are fixedly connected with chapeau de fer 4, and the outside of ceramic core 6 twines
Resistance coil 8 is wound with, the left side of the resistance coil 8 is fixed on chapeau de fer 4, and the bottom of the chapeau de fer 4 is fixed with out-connecting contact
5, the out-connecting contact 5 penetrates the bottom of lower housing shell 3, and the right side of the resistance coil 8 is fixed on ceramic core 6, and resistive conductor
The outside of circle 8 is fixed with a point resistance conductive head 9, and the top of described point of resistance conductive head 9 is fixed with contact；
The lower housing shell 3 is fixedly arranged above upper shell 1, and the middle part of the upper shell 1 is provided with sliding slot, and described point of resistance is conductive
First 9 upwardly penetrate through in the bottom of upper shell 1, and the contact on point 9 top of resistance conductive head matches with sliding slot bottom, the sliding slot
Side be provided with groove, the inside grooves bottom corresponds to sliding slot and is fixed with conductive contact blade 11, the right end of the conductive contact blade 11
Conductive copper sheet 2 is fixedly connected with, the bottom of the conductive copper sheet 2 is fixedly connected with the contact on 4 top of chapeau de fer, is set in the sliding slot
There is adjusting slider 12, the adjusting slider 12 is fixed with contact by groove ends, and the contact is engaged with conductive contact blade 11, described
The bottom of adjusting slider 12 is fixed with contact, and the contact of adjusting slider 12 is in contact with point contact on 9 top of resistance conductive head.
Preferably, the center bottom both sides of the upper shell 1 are fixed with buckle 10, and the lower housing shell 3 corresponds to buckle 10 and opens
There is card slot.
Preferably, it is cast with epoxy resin layer 7 on the outside of the ceramic core 6 and resistance coil.
Preferably, 12 tip material of adjusting slider is plastics, and slipper material outside is conductive copper sheet.
Preferably, the contact surface of the upper shell 1 and lower housing shell 3 matches.
Preferably, the thickness of the out-connecting contact 5 through lower housing shell 3 is 1-2mm.
Operation principle：During use can directly by resistor by out-connecting contact 5 by Wave crest Welding needs circuit
On plate, and it is fixed on by the buckle 10 of 1 bottom of upper shell on lower housing shell 3, passes through 12 adjusting slider of slidable adjustment sliding block
The contact of 12 bottoms is in contact from the contact on different points of 9 tops of resistance conductive head, point resistance conductive head 9 by the chapeau de fer 4 in left side with
The out-connecting contact 5 in left side is connected, while the contact in 12 groove of adjusting slider is in contact with conductive contact blade 11, and conductive contact blade
11 are connected by the chapeau de fer 4 on right side with the out-connecting contact 5 on right side, since the resistance value that different points of resistance conductive heads 9 connect is different,
Therefore it can reach the purpose for adjusting different resistance.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
State and may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
Combined in an appropriate manner in any one or more embodiments or example.
The above, is only the preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of patch wire wound resistor, including upper shell, conductive copper sheet and lower housing shell, it is characterised in that：The lower housing shell
Inner cavity is fixedly arranged in the middle of ceramic core, and the both ends of the ceramic core are fixedly connected with chapeau de fer, and resistance is wound with the outside of ceramic core
Coil, is fixed on chapeau de fer on the left of the resistance coil, the bottom of the chapeau de fer is fixed with out-connecting contact, the out-connecting contact
The bottom of lower housing shell is penetrated, is fixed on the right side of the resistance coil on ceramic core, and a point resistance is fixed with the outside of resistance coil
Conductive head, the top of described point of resistance conductive head are fixed with contact；
The lower housing shell is fixedly arranged above upper shell, and sliding slot is provided with the middle part of the upper shell, and described point of resistance conductive head is upward
It is penetrated into the bottom of upper shell, and the contact on point resistance conductive head top matches with sliding slot bottom, the side of the sliding slot is opened
Fluted, the inside grooves bottom corresponds to sliding slot and is fixed with conductive contact blade, and the right end of the conductive contact blade, which is fixedly connected with, leads
Electrolytic copper piece, the bottom of the conductive copper sheet are fixedly connected with the contact on chapeau de fer top, and adjusting slider is equipped with the sliding slot, described
Adjusting slider is fixed with contact by groove ends, and the contact is engaged with conductive contact blade, and the bottom of the adjusting slider is fixed with
Contact, and the contact of adjusting slider is in contact with point contact on resistance conductive head top.
A kind of 2. patch wire wound resistor according to claim 1, it is characterised in that：The center bottom two of the upper shell
Side is fixed with buckle, and the lower housing shell corresponds to buckle and is provided with card slot.
A kind of 3. patch wire wound resistor according to claim 1, it is characterised in that：The ceramic core and resistance coil
Outside is cast with epoxy resin layer.
A kind of 4. patch wire wound resistor according to claim 1, it is characterised in that：The adjusting slider tip material is
Plastics, slipper material outside are conductive copper sheet.
A kind of 5. patch wire wound resistor according to claim 1, it is characterised in that：The upper shell and lower housing shell connect
Contacting surface matches.
A kind of 6. patch wire wound resistor according to claim 1, it is characterised in that：The out-connecting contact passes through lower housing shell
Thickness be 1-2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721274274.5U CN207233492U (en) | 2017-09-29 | 2017-09-29 | A kind of patch wire wound resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721274274.5U CN207233492U (en) | 2017-09-29 | 2017-09-29 | A kind of patch wire wound resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207233492U true CN207233492U (en) | 2018-04-13 |
Family
ID=61850262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721274274.5U Expired - Fee Related CN207233492U (en) | 2017-09-29 | 2017-09-29 | A kind of patch wire wound resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207233492U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116168908A (en) * | 2023-04-25 | 2023-05-26 | 成都小卜科技有限公司 | Program-controlled adjusting slide rheostat |
-
2017
- 2017-09-29 CN CN201721274274.5U patent/CN207233492U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116168908A (en) * | 2023-04-25 | 2023-05-26 | 成都小卜科技有限公司 | Program-controlled adjusting slide rheostat |
| CN116168908B (en) * | 2023-04-25 | 2023-06-30 | 成都小卜科技有限公司 | Program-controlled adjusting slide rheostat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180413 Termination date: 20190929 |