CN105869808A - Potentiometer with good sealing performance - Google Patents
Potentiometer with good sealing performance Download PDFInfo
- Publication number
- CN105869808A CN105869808A CN201610350806.2A CN201610350806A CN105869808A CN 105869808 A CN105869808 A CN 105869808A CN 201610350806 A CN201610350806 A CN 201610350806A CN 105869808 A CN105869808 A CN 105869808A
- Authority
- CN
- China
- Prior art keywords
- potentiometer
- graphite
- upper shell
- good seal
- seal performance
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
- H01C1/024—Housing; Enclosing; Embedding; Filling the housing or enclosure the housing or enclosure being hermetically sealed
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/30—Adjustable resistors the contact sliding along resistive element
- H01C10/32—Adjustable resistors the contact sliding along resistive element the contact moving in an arcuate path
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Adjustable Resistors (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The invention discloses a potentiometer with good sealing performance. The potentiometer comprises a lower shell and an upper shell. A shaft sleeve is arranged at the top of the upper shell, a graphite sealing layer is arranged on the inner surface of the shaft sleeve, and pyrolytic carbon with the certain thickness is deposited on the surface of the graphite sealing layer with the chemical vapor deposition method, in the pyrolytic-carbon deposition process, needle-shaped silicon carbide crystals are perpendicularly embedded on deposition, a cavity is formed between the lower shell and the upper shell, a rotating shaft, a conductive rotating slice, a first fixing pin connecting slice, a second fixing pin connecting slice, a movable pin connecting slice and an arc resistor are arranged inside the cavity, the rotating shaft is matched with the shaft sleeve, and comprises a inner metal core and an outer graphite layer, and the first fixing pin connecting slice and the second fixing pin connecting slice are connected to the two ends of the arc resistor respectively. According to the mode, the potentiometer is good in sealing performance, superior in sealing-layer expansion performance and resistant to oxidation and corrosion.
Description
Technical field
The present invention relates to potentiometer field, particularly relate to the potentiometer of a kind of good seal performance.
Background technology
Potentiometer be there are three exits, resistive element that resistance can be regulated by certain Changing Pattern, potentiometer is generally made up of resistive element and moveable brush.Potentiometer is installed in various equipment enterprising enforcement use, plays regulation effect, existing rotational potentiometer poor sealing performance, and sealant expansion character is poor, causes dust, steam etc. to enter inside potentiometer, can reduce the service life of potentiometer.
Summary of the invention
The expansion character that the technical problem that present invention mainly solves is to provide the potentiometer of a kind of good seal performance, good seal performance, and sealant is superior, anti-oxidant, corrosion-resistant.
nullFor solving above-mentioned technical problem，The technical scheme that the present invention uses is: provide the potentiometer of a kind of good seal performance，It is characterized in that，Including: lower house、Upper shell，Described upper shell top is provided with axle sleeve，A circle graphite encapsulation layer it is provided with on described axle sleeve inner surface，The certain thickness pyrolytic carbon of chemical vapor deposition is passed through on described graphite encapsulation layer surface，Wherein，In pyrolytic carbon deposition process，Deposition vertically inlays needle-like carborundum crystals，A cavity is formed between described lower house and upper shell，Described cavity inside is provided with rotating shaft、Conduction revolving fragment、First fixed pin sheet、Second fixed pin sheet、Dynamic pin sheet and circular arc resistance body，Described rotating shaft matches with described axle sleeve，Described rotating shaft includes metal inside and non-graphite outer layers，The first described fixed pin sheet and the second fixed pin sheet are connected to the two ends of circular arc resistance body.
In a preferred embodiment of the present invention, described graphite encapsulation layer material is expanded graphite.
In a preferred embodiment of the present invention, the thickness of described pyrolytic carbon is 0.5-1mm.
In a preferred embodiment of the present invention, described needle-like carborundum crystals axially the most vertical with the basal plane of pyrolytic carbon.
In a preferred embodiment of the present invention, described metal inside and non-graphite outer layers carry out gluing by epoxide-resin glue.
The invention has the beneficial effects as follows: potentiometer good seal performance provided by the present invention, and the expansion character of sealant is superior, lubricity is high, anti-oxidant, corrosion-resistant.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in describing embodiment below, the required accompanying drawing used is briefly described, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of potentiometer one preferred embodiment of a kind of good seal performance of the present invention；
In accompanying drawing, the mark of each parts is as follows: 1-lower house, 2-upper shell, 3-axle sleeve, 4-graphite encapsulation layer, 5-pyrolytic carbon, 6-rotating shaft, 7-metal inside, 8-non-graphite outer layers.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Referring to Fig. 1, the embodiment of the present invention includes:
nullA kind of potentiometer of good seal performance，It is characterized in that，Including: lower house 1、Upper shell 2，Described upper shell 2 top is provided with axle sleeve 3，It is provided with a circle graphite encapsulation layer 4 on described axle sleeve 3 inner surface，The certain thickness pyrolytic carbon of chemical vapor deposition 5 is passed through on described graphite encapsulation layer 4 surface，Wherein，In pyrolytic carbon deposition process，Deposition vertically inlays needle-like carborundum crystals，A cavity is formed between described lower house 1 and upper shell 2，Described cavity inside is provided with rotating shaft 6、Conduction revolving fragment、First fixed pin sheet、Second fixed pin sheet、Dynamic pin sheet and circular arc resistance body，Described rotating shaft 6 matches with described axle sleeve 3，Described rotating shaft 6 includes metal inside 7 and non-graphite outer layers 8，The first described fixed pin sheet and the second fixed pin sheet are connected to the two ends of circular arc resistance body.
Described graphite encapsulation layer 4 material is expanded graphite, and expanded graphite in addition to having the characteristics such as the chemical stability of native graphite, anti-erosion, also has special flexibility and elasticity also known as soft graphite, this graphite, is a kind of preferably encapsulant.
The thickness of described pyrolytic carbon 5 is 0.5-1mm.
Described needle-like carborundum crystals axially the most vertical with the basal plane of pyrolytic carbon 5.
Described metal inside 7 and non-graphite outer layers 8 carry out gluing by epoxide-resin glue.
Potentiometer good seal performance provided by the present invention, and the expansion character of sealant is superior, anti-oxidant, corrosion-resistant.The certain thickness pyrolytic carbon of chemical vapor deposition is passed through on sealant surface; wherein; in pyrolytic carbon deposition process; deposition vertically inlays needle-like carborundum crystals; the carborundum crystals vertically inlayed can reduce the layer of pyrolytic carbon and peel off, and is effectively improved the expansion character of small-sized sealing layer, and the oxidation of face coat can form a protective layer and be attached to sealant surface; not only good seal performance, its lubricity is the highest.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical field, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (5)
1. the potentiometer of a good seal performance, it is characterized in that, including: lower house, upper shell, described upper shell top is provided with axle sleeve, a circle graphite encapsulation layer it is provided with on described axle sleeve inner surface, the certain thickness pyrolytic carbon of chemical vapor deposition is passed through on described graphite encapsulation layer surface, wherein, in pyrolytic carbon deposition process, deposition vertically inlays needle-like carborundum crystals, a cavity is formed between described lower house and upper shell, described cavity inside is provided with rotating shaft, conduction revolving fragment, first fixed pin sheet, second fixed pin sheet, dynamic pin sheet and circular arc resistance body, described rotating shaft matches with described axle sleeve, described rotating shaft includes metal inside and non-graphite outer layers, the first described fixed pin sheet and the second fixed pin sheet are connected to the two ends of circular arc resistance body.
The potentiometer of a kind of good seal performance the most according to claim 1, it is characterised in that described graphite encapsulation layer material is expanded graphite.
The potentiometer of a kind of good seal performance the most according to claim 1, it is characterised in that the thickness of described pyrolytic carbon is 0.5-1mm.
The potentiometer of a kind of good seal performance the most according to claim 1, it is characterised in that described needle-like carborundum crystals axially the most vertical with the basal plane of pyrolytic carbon.
The potentiometer of a kind of good seal performance the most according to claim 1, it is characterised in that described metal inside and non-graphite outer layers carry out gluing by epoxide-resin glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610350806.2A CN105869808A (en) | 2016-05-25 | 2016-05-25 | Potentiometer with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610350806.2A CN105869808A (en) | 2016-05-25 | 2016-05-25 | Potentiometer with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105869808A true CN105869808A (en) | 2016-08-17 |
Family
ID=56635905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610350806.2A Pending CN105869808A (en) | 2016-05-25 | 2016-05-25 | Potentiometer with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105869808A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113594724A (en) * | 2020-04-30 | 2021-11-02 | 中国石油天然气集团有限公司 | Ground wire connecting device for submerged arc welding |
-
2016
- 2016-05-25 CN CN201610350806.2A patent/CN105869808A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113594724A (en) * | 2020-04-30 | 2021-11-02 | 中国石油天然气集团有限公司 | Ground wire connecting device for submerged arc welding |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105869808A (en) | Potentiometer with good sealing performance | |
| CN208422482U (en) | A kind of anti-skid wearable cable | |
| CN205350335U (en) | Novel gasket | |
| JP2017201165A (en) | Piston for internal combustion engine with skirt | |
| CN205680511U (en) | A kind of sealing and dustproof potentiometer | |
| CN205789344U (en) | A kind of potentiometer with the sealant of resistance to flatulence of heat type | |
| CN104709094B (en) | A kind of high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan | |
| CN105810374A (en) | Potentiometer with thermal-expansion-resistant sealing layer | |
| CN205680509U (en) | A kind of potentiometer of rust resistance and corrosion resistance | |
| CN103423450A (en) | Novel serrated gasket | |
| CN105810375A (en) | Sealing dustproof potentiometer | |
| CN105070438A (en) | Rotational potentiometer having high lubrication performance | |
| CN205680510U (en) | A kind of self-lubricating type potentiometer | |
| CN105869804A (en) | Rust and corrosion preventing potentiometer | |
| CN209385867U (en) | Spherojoint equipped with diamond coatings | |
| CN209199643U (en) | A kind of corrosion resistant notebook microphone line | |
| CN205999317U (en) | A kind of wear-resisting antistatic adhesive tape | |
| CN105845300A (en) | Potentiometer with low frictional wear | |
| CN203404366U (en) | Novel tooth-shaped gasket | |
| CN205408369U (en) | Center heat dissipation graphite flake | |
| CN207245630U (en) | A kind of petroleum casing pipe | |
| CN109699161A (en) | A kind of heat dissipation graphite film | |
| CN105869805A (en) | Self-lubricating type potentiometer | |
| CN105825984A (en) | Damp-proof potentiometer | |
| CN221237325U (en) | Wear-resistant rubber hose |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160817 |
|
| WD01 | Invention patent application deemed withdrawn after publication |