CN205376307U - Modified air variable capacitor - Google Patents
Modified air variable capacitor Download PDFInfo
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- CN205376307U CN205376307U CN201521112784.3U CN201521112784U CN205376307U CN 205376307 U CN205376307 U CN 205376307U CN 201521112784 U CN201521112784 U CN 201521112784U CN 205376307 U CN205376307 U CN 205376307U
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- axle
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- fixing seat
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Abstract
The utility model discloses a modified air variable capacitor, be in including first fixing base, second fixing base and setting first fixing base with stator subassembly and moving plate subassembly between the second fixing base, the stator subassembly includes the fixed axle and sets up fixed epaxial a plurality of equidistant stationary metal pieces of arranging, the both ends of fixed axle are fixed on first fixing base and the second fixing base, the moving plate subassembly sets up including rotating axis of rotation between first, the second fixing base and setting up is in epaxial a plurality of equidistant rotation sheetmetal of arranging rotates, and it is rotatory the moving plate subassembly extremely the stator subassembly, the stationary metal piece with the rotation sheetmetal is the equidistance interval and arranges, be equipped with the bearing on the first fixing base, be equipped with the positioning seat on the second fixing base, the one end of axis of rotation is supported and is leaned on on the positioning seat, the other end warp of axis of rotation the bearing stretches out outside the first fixing base, the axis of rotation with be equipped with extraction electrode mechanism between the bearing. The utility model provides a modified air variable capacitor, its simple structure, production simple process, simple to operate.
Description
Technical field
This utility model belongs to capacitor technology field, particularly to the air variable capacitor of a kind of improvement.
Background technology
Air variable capacitor has a wide range of applications in radio, electronic machine, HF signal generator, communication equipment and relevant electronic equipment, air variable capacitor includes the first fixing seat, the second fixing seat and the stator assembly being arranged between the first fixing seat and the second fixing seat and moving plate assembly, the rotation sheet metal of moving plate assembly can rotate in the fixing sheet metal of positioning component, when rotating between the fixing sheet metal of the whole precession of sheet metal, its capacitance is maximum；Otherwise, when all being screwed out between fixing sheet metal by rotation sheet metal, capacitance is minimum.In prior art, shown in Figure 1, first fixing seat 1 arranges the fixing seat 1-1 of taper of hollow, moving plate assembly 4 rotates the end of axle 4-1 and is provided with and the fixing seat 1-1 of the taper positioning end coordinated, the end rotating axle 4-1 is located in the fixing seat 1-1 of taper, then extraction electrode mechanism 5 is set between the fixing seat 1-1 of taper and rotation axle 4-1, between the fixing seat 1-1 inwall of rotation axle 4-1 and taper, place multiple ball 1-2 simultaneously, rotation axle 4-1 is rotated and is arranged between the first fixing seat 1 and the second fixing seat 2, this kind of structure complexity, and complex manufacturing, production efficiency has much room for improvement.
Summary of the invention
This utility model purpose is to provide the air variable capacitor of a kind of improvement, and its simple in construction, production technology is simple.
Based on the problems referred to above, the technical scheme that this utility model provides is:
nullThe air variable capacitor improved，Including the first fixing seat、Second fixes seat and is arranged on the stator assembly between the described first fixing seat and the described second fixing seat and moving plate assembly，Described stator assembly includes fixing axle and the multiple fixing sheet metals being equally spaced being arranged on described fixing axle，The two ends of described fixing axle are fixed on the described first fixing seat and the second fixing seat，Described moving plate assembly includes rotation and is arranged on described first、Rotating axle and being arranged on the multiple rotation sheet metals being equally spaced on described rotation axle between the second fixing seat，Rotate described moving plate assembly extremely described stator assembly，Described fixing sheet metal and described rotation sheet metal are equi-spaced apart arrangement，Described first fixing seat is provided with bearing，Described second fixing seat is provided with positioning seat，One end of described rotation axle is resisted against on described positioning seat，The other end of described rotation axle stretches out outside the described first fixing seat through described bearing，It is provided with extraction electrode mechanism between described rotation axle and described bearing.
In one of which embodiment, extraction electrode mechanism includes being located in the nut on described rotation axle and extraction electrode, described extraction electrode is arranged between described nut and the described first fixing seat, described extraction electrode includes fixed cover and is arranged on multiple supporting legs in described fixed cover circumference, described fixed cover is set on described rotation axle, and described supporting leg is resisted against on the described first fixing seat.
In one of which embodiment, described fixing axle is provided with several the first grooves being equally spaced, and along described fixing axle circumferentially, described fixing sheet metal is provided with and the first bayonet socket of described first matching grooves described first groove；Described rotation axle is provided with several the second grooves being equally spaced, and along described rotation axle circumferentially, described rotation sheet metal is provided with and the second bayonet socket of described second matching grooves described second groove.
In one of which embodiment, described fixing sheet metal is welded in described first groove, and described rotation sheet metal is welded in described second groove.
In one of which embodiment, it is additionally provided with between the described first fixing seat and the second fixing seat and is arranged on support axle with described fixing axial symmetry.
In one of which embodiment, described positioning seat is provided with location bar, and the end of described rotation axle is provided with the hole, location mated with described location bar.
Compared with prior art, the utility model has the advantages that:
1, adopting the technical solution of the utility model, one end of rotation axle is resisted against the positioning seat of the second fixing seat, and the other end and the first fixing axle that rotate axle are connected by bearing, and this simple in construction, convenient production, installation procedure is simple, improves production efficiency；
2, the further technical scheme of this utility model is adopted, fixing sheet metal and rotation sheet metal are improved at fixing axle and the fixed form rotated on axle, compared in prior art at fixing axle or rotate on axle sheathed multiple packing rings and sheet metal is fixed on the mode between two packing rings, structure is simpler, stable, production technology is simple, the precision of capacitor is better, further increases production efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below the accompanying drawing used required during embodiment is described is briefly described, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of prior art air variable condenser；
Fig. 2 is the structural representation of the air variable capacitor embodiment that this utility model improves；
Fig. 3 is the structural representation fixing axle in this utility model embodiment；
Fig. 4 is the structural representation fixing sheet metal in this utility model embodiment；
Fig. 5 is the structural representation of this utility model embodiment transfer moving axis；
Fig. 6 is the structural representation rotating sheet metal in this utility model embodiment；
Wherein:
1, the first fixing seat；1-1, the fixing seat of taper；1-2, ball；
2, the second fixing seat；
3, stator assembly；3-1, fixing axle；3-2, fixing sheet metal；3-3, the first packing ring；3-4, the first groove；3-5, the first bayonet socket；
4, moving plate assembly；4-1, rotation axle；4-2 rotates sheet metal；4-3 the second packing ring；4-4, the second groove；4-5, the second bayonet socket；4-6, hole, location；
5, extraction electrode mechanism；5-1, nut；5-2, extraction electrode；
6, bearing；
7, positioning seat；7-1, location bar；
8, axle is supported.
Detailed description of the invention
Below in conjunction with specific embodiment, such scheme is described further.Should be understood that these embodiments are an illustration for this utility model and are not limited to limit scope of the present utility model.The implementation condition adopted in embodiment can do further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in normal experiment.
nullReferring to Fig. 2-6，Structural representation for this utility model embodiment，The air variable capacitor of a kind of improvement is provided，It includes the first fixing seat 1、Second fixes seat 2 and the stator assembly 3 being arranged between the first fixing seat 1 and the second fixing seat 2 and moving plate assembly 4，Wherein stator assembly 3 includes fixing axle 3-1 and the multiple fixing sheet metal 3-2 being equally spaced being arranged on fixing axle 3-1，The two ends of fixing axle 3-1 are separately fixed on the first fixing seat 1 and the second fixing seat 2，Moving plate assembly 4 includes rotating the rotation axle 4-1 being arranged between the first fixing seat 1 and the second fixing seat 2 and being arranged on the multiple rotation sheet metal 4-2 being equally spaced rotated on axle 4-1，When rotating in moving plate assembly 4 to stator assembly 3，Fixing sheet metal 3-2 and rotation sheet metal 4-2 is equi-spaced apart arrangement，Of the present utility model the improvement is that: the fixed form rotating axle 4-1 is improved，First fixing seat 1 is provided with bearing 6，Second fixing seat 2 is provided with positioning seat 7，The one end rotating axle 4-1 is resisted against on positioning seat 7，The other end rotating axle 4-1 stretches out outside the first fixing seat 1 through bearing 6，It is provided with extraction electrode mechanism 5 between axle 4-1 and bearing 6 rotating.
In this example, positioning seat 7 is provided with location bar 7-1, is provided with in the end rotating axle 4-1 and positions bar 7-1 hole, the location 4-6 mated simultaneously, during installation, location bar 4-1 is placed in the hole 4-6 of location.
Concrete, extraction electrode mechanism 5 includes being located in the nut 5-1 rotated on axle 4-1 and extraction electrode 5-2, extraction electrode 5-2 is arranged between the fixing seat 1 of nut 5-1 and first, extraction electrode 5-2 includes fixed cover and the multiple supporting legs being arranged in fixed cover circumference, fixed cover is set on rotation axle 4-1, supporting leg is resisted against on the first fixing seat 4, stretches out first one end fixing seat 1 and rotatable moving plate assembly 4 thus adjusting the electric capacity of capacitor by rotary motion axle 4-1.
In prior art, referring to Fig. 1, fixing axle 3-1 wears several the first contour packing ring 3-3, rotating, axle 4-1 wears several the second contour packing ring 4-3, fixing sheet metal 3-2 is fixed between two the first packing ring 3-3, rotation sheet metal 4-2 is fixed between two the second packing ring 4-3, the production required precision of packing ring is high, complexity is installed, for the ease of producing and install fixing axle 3-1 and the fixing sheet metal 3-2 rotated on axle 4-1 and rotating sheet metal 4-2, referring to Fig. 2-6, fixing axle 3-1 is provided with several the first groove 3-4 being equally spaced, first groove 3-4 is along fixing axle 3-1 circumferentially, fixing sheet metal 3-2 is provided with the first bayonet socket 3-5 mated with the first groove 3-4；Rotate axle 4-1 and be provided with several the second groove 4-4 being equally spaced, second groove 4-4 is along rotating axle 4-1 circumferentially, rotate sheet metal 4-2 and be provided with the second bayonet socket 4-5 mated with the second groove 4-4, during installation, the first bayonet socket 3-5 of fixing sheet metal 3-2 is fixed in the first groove 3-4, the the second bayonet socket 4-5 rotating sheet metal 4-2 is fixed in the second groove 4-4, fixing sheet metal 3-2 and rotation sheet metal 4-2 can be fixed respectively, preferably, fixing sheet metal 3-2 is fixed in the first groove 3-4 by the mode welded, rotate sheet metal 4-2 to be fixed in the second groove 4-4 by the mode welded.
In order to improve the stability of capacitor, it is additionally provided with between the first fixing seat 1 and the second fixing seat 2 and is symmetricly set on support axle 8 with fixing axle 3-1.
Examples detailed above only for technology of the present utility model design and feature are described, its object is to allow person skilled in the art be able to understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalent transformations done according to this utility model spirit or modification, all should be encompassed within protection domain of the present utility model.
Claims (6)
- null1. the air variable capacitor improved，Including the first fixing seat (1)、Second fixes seat (2) and is arranged on the stator assembly (3) between the described first fixing seat (1) and the described second fixing seat (2) and moving plate assembly (4)，Described stator assembly (3) includes fixing axle (3-1) and the multiple fixing sheet metals (3-2) being equally spaced being arranged on described fixing axle (3-1)，The two ends of described fixing axle (3-1) are fixed on the described first fixing seat (1) and the second fixing seat (2)，Described moving plate assembly (4) includes rotation and is arranged on described first、Second fixing seat (1、2) rotation axle (4-1) between and be arranged on the multiple rotation sheet metals (4-2) being equally spaced on described rotation axle (4-1)，Rotate described moving plate assembly (4) extremely described stator assembly (3)，Described fixing sheet metal (3-2) and described rotation sheet metal (4-2) are arranged in equi-spaced apart，It is characterized in that: the described first fixing seat (1) is provided with bearing (6)，Described second fixing seat (2) is provided with positioning seat (7)，One end of described rotation axle (4-1) is resisted against on described positioning seat (7)，The other end of described rotation axle (4-1) stretches out the described first fixing seat (1) outward through described bearing (6)，Extraction electrode mechanism (5) it is provided with between described rotation axle (4-1) and described bearing (6).
- 2. the air variable capacitor of improvement according to claim 1, it is characterized in that: extraction electrode mechanism (5) includes being located in the nut (5-1) on described rotation axle (4-1) and extraction electrode (5-2), described extraction electrode (5-2) is arranged between described nut (5-1) and the described first fixing seat (1), described extraction electrode (5-2) includes fixed cover and is arranged on multiple supporting legs in described fixed cover circumference, described fixed cover is set on described rotation axle (4-1), described supporting leg is resisted against on the described first fixing seat (1).
- 3. the air variable capacitor of improvement according to claim 1, it is characterized in that: described fixing axle (3-1) is provided with several the first grooves (3-4) being equally spaced, along described fixing axle (3-1) circumferentially, described fixing sheet metal (3-2) is provided with the first bayonet socket (3-5) mated with described first groove (3-4) to described first groove (3-4)；Described rotation axle (4-1) is provided with several the second grooves (4-4) being equally spaced, along described rotation axle (4-1) circumferentially, described rotation sheet metal (4-2) is provided with the second bayonet socket (4-5) mated with described second groove (4-4) to described second groove (4-4).
- 4. the air variable capacitor of improvement according to claim 3, it is characterized in that: described fixing sheet metal (3-2) is welded in described first groove (3-4), and described rotation sheet metal (4-2) is welded in described second groove (4-4).
- 5. the air variable capacitor of improvement according to claim 1, it is characterised in that: it is additionally provided with between the described first fixing seat (1) and the second fixing seat (2) and is symmetricly set on support axle (8) with described fixing axle (3-1).
- 6. the air variable capacitor of improvement according to claim 1, it is characterized in that: described positioning seat (7) is provided with location bar (7-1), and the end of described rotation axle (4-1) is provided with the hole, location (4-6) mated with described location bar (7-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521112784.3U CN205376307U (en) | 2015-12-29 | 2015-12-29 | Modified air variable capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521112784.3U CN205376307U (en) | 2015-12-29 | 2015-12-29 | Modified air variable capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205376307U true CN205376307U (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521112784.3U Active CN205376307U (en) | 2015-12-29 | 2015-12-29 | Modified air variable capacitor |
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| Country | Link |
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| CN (1) | CN205376307U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597874A (en) * | 2018-06-25 | 2018-09-28 | 河南工业大学 | A kind of high frequency long-life alternation capacitor |
| CN108806985A (en) * | 2018-06-29 | 2018-11-13 | 中国电力科学研究院有限公司 | A kind of high stability and precision adjustable condenser |
-
2015
- 2015-12-29 CN CN201521112784.3U patent/CN205376307U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597874A (en) * | 2018-06-25 | 2018-09-28 | 河南工业大学 | A kind of high frequency long-life alternation capacitor |
| CN108806985A (en) * | 2018-06-29 | 2018-11-13 | 中国电力科学研究院有限公司 | A kind of high stability and precision adjustable condenser |
| CN108806985B (en) * | 2018-06-29 | 2021-12-17 | 中国电力科学研究院有限公司 | High-stability precise adjustable capacitor |
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