CN202382799U - Water level induction electrode - Google Patents
Water level induction electrode Download PDFInfo
- Publication number
- CN202382799U CN202382799U CN2011205617974U CN201120561797U CN202382799U CN 202382799 U CN202382799 U CN 202382799U CN 2011205617974 U CN2011205617974 U CN 2011205617974U CN 201120561797 U CN201120561797 U CN 201120561797U CN 202382799 U CN202382799 U CN 202382799U
- Authority
- CN
- China
- Prior art keywords
- conduct
- stick
- water level
- hold
- level induction
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a water level induction electrode which comprises a conducting electrode rod and an insulation sleeve seat sheathed on the conducting electrode rod; one end of the conducting electrode rod is a polished surface; the other end of the conducting electrode rod is an external thread surface; one end of the conducting electrode, which is provided with the polished surface, exposes outside the insulation sleeve seat; one end of the conducting electrode rod, which is provided with the external thread surface, is in thread fit with in the insulation sleeve seat and extends out from the insulation sleeve seat; the diameter of one end of the conducting electrode rod, which is provided with the polished surface, is larger than the diameter of one end of the conducting electrode rod, which is provided with the external thread surface; the critical part of the polished surface on the conducting electrode rod and the external thread surface is provided with a transition part which is a first cone-shaped seal surface; and the insulation sleeve seat is provided with a second cone-shaped seal surface which is mutually and tightly fitted with the first cone-shaped seal surface. The water level induction electrode can be widely used for detecting water levels of various heaters and boilers and is convenient in arrangement and is stable and reliable in detection.
Description
Technical field
The utility model relates to a kind of water level induction electrode that is used for field of measuring technique.
Background technology
Existing various water heaters, boiler extensively adopt the detection sensing mode of level electrode as water level; The electrode insulation material adopts plastics or stupaliths such as polypropylene, polyethersulfone, polycarbonate more; Serviceable life is shorter; The ambroin of all employings can lose insulating effect because of the efflorescence of high temperature ageing structure, and brings the damage of control circuit.The reciprocal variation of water temperature forms thermal stress ceramic interior microscopic crackle can be spread gradually in the use, final short circuit and lose electric action.Ceramic insulating material is frangible; The fluid sealant that adopts between itself and the electric conductor also is prone to aging in the environment that high temperature and temperature back and forth change, and makes electric conductor loosening, the short circuit problem that leaks occurs; And the fluid sealant that is adopted is a chemicals, in the potable water of high temperature, exists and separates out the safety problem of noxious material.
Above level electrode also needs to establish gasket seal between electrode holder and the chamber wall when mounted, and gasket seal generally adopts silicon rubber, and it at high temperature can produce catabiosis, and causes the appearance of poorly sealed seepy question.
The utility model content
The utility model technical matters to be solved provides that a kind of effectively to overcome above-mentioned level electrode short serviceable life; Insulating material is prone to lose efficacy; Detect insecure shortcoming, have simple in structure, self sealss property is good, high temperature resistant, anti-aging, thermal expansivity is little, the water level induction electrode of the characteristics of nontoxic, long service life.
Solving the problems of the technologies described above the technical scheme that is adopted is: a kind of water level induction electrode; It comprises conduct stick 11 and is set in the insulating sheath seat 12 on the conduct stick 11; Wherein, an end of conduct stick 11 is a polished surface, and the other end is the external thread face; The end that conduct stick 11 has polished surface exposes outside insulating sheath seat 12; The end that conduct stick 11 has an external thread face is screwed together in the insulating sheath seat 12 and in insulating sheath seat 12, extends, and the diameter that conduct stick 11 has an end of polished surface has the diameter of an end of external thread face greater than conduct stick 11, and the critical place of polished surface and external thread face is provided with transition part on the conduct stick 11; Said transition part is first bevelled sealing surface 15, and insulating sheath seat 12 is provided with second bevelled sealing surface 121 that fits tightly each other with first bevelled sealing surface 15.
As the further improvement of such scheme, insulating sheath seat 12 is cylindrical light face near the end that conduct stick 11 has polished surface, and is provided with and is used to install at least one group of operation planar 21 that clamping tool is used, and every group of operation planar 21 is symmetrical set.
As the further improvement of such scheme, insulating sheath seat 12 is provided with sealed step face 22 and installs and fixes double-screw bolt 23 away from the end that conduct stick 11 has polished surface, and sealed step face 22 is perpendicular to installing and fixing double-screw bolt 23.
Further improvement as such scheme; Insulating sheath seat 12 offers the through hole 24 that supplies conduct stick 11 to pass through; Be provided with the inner threaded surface that screws togather with conduct stick 11 near an end that installs and fixes double-screw bolt 23 on through hole 24 inwalls, be provided with said second bevelled sealing surface 121 away from an end that installs and fixes double-screw bolt 23 on through hole 24 inwalls.
As the further improvement of such scheme, also be provided with the flank of thread 16 of band tapering between the said inner threaded surface and second bevelled sealing surface 121.
As the further improvement of such scheme, the length of the flank of thread 16 of said band tapering occupy through hole 24 length 1/3.
As the further improvement of such scheme, said water level induction electrode also comprises hold-down nut 4 and setting-up piece 3, wherein, hold-down nut 4 with install and fix double-screw bolt 23 and screw togather, setting-up piece 3 is set in and installs and fixes on the double-screw bolt 23 and by hold-down nut 4 pressure holdings.
Further improvement as such scheme; Said water level induction electrode also comprises conduct stick hold-down nut 14 and conduct stick setting-up piece 13; Wherein, Conduct stick hold-down nut 14 screws togather with conduct stick 11, and conduct stick setting-up piece 13 is set on the conduct stick 11 and by hold-down nut 4 and the 14 mutual pressure holdings of conduct stick hold-down nut.
Further improvement as such scheme; Said water level induction electrode also comprises external wire terminal hold-down nut 5, external wire terminal 6 and external wire terminal setting-up piece 7; Wherein, External wire terminal hold-down nut 5 screws togather with conduct stick 11, and external wire terminal 6 is set on the conduct stick 11 with external wire terminal setting-up piece 7 and in the lump by external wire terminal hold-down nut 5 and the 14 mutual pressure holdings of conduct stick hold-down nut successively.
As the further improvement of such scheme, insulating sheath seat 12 is the teflon mount pad of formed by integrally casting moulding.
Compare with existing water level induction electrode; The advantage of the water level induction electrode that the utility model provides is: the utility model has the advantages that: the polytetrafluoroethylmaterial material itself that insulating sheath seat 12 adopts promptly is a kind of high temperature resistant, solid-state nontoxic encapsulant of excellence, has been widely used in the people's the daily life, and it is both as insulating material; Also as encapsulant; Utilize the good characteristics of polytetrafluoroethylmaterial material plasticity, and fit tightly each other, so just can push interlock between conduct stick 11 and the insulating sheath seat 12 through first bevelled sealing surface 15 and second bevelled sealing surface 121; Closely seamless, reach sealing purpose; The utility model utilizes hold-down nut 4 insulating sheath seat 12 to be locked on the wall of container 2 and gets final product in installing and using, need not again and container 2 between establish gasket seal, what prevent further that material aging from bringing leaks and other potential problem; The utility model is simple in structure, is prone to shape, and is safe and reliable, can be widely used in the water level detecting of various water heaters, boiler.
Description of drawings
The application synoptic diagram of the water level induction electrode that Fig. 1 provides for the utility model preferred embodiments.
Fig. 2 is the structural representation of the conduct stick of Fig. 1 middle water level induction electrode.
Fig. 3 is the structural representation of the insulating sheath seat of Fig. 1 middle water level induction electrode.
Fig. 4 is the part-structure synoptic diagram of Fig. 1 middle water level induction electrode.
Fig. 5 is the part cross-sectional schematic of Fig. 4 middle water level induction electrode.
Symbol description
| |
11 |
| The insulating |
12 |
| Hold-down nut | 4 |
| Setting-up piece | 3 |
| Container | 2 |
| The conduct stick hold-down |
14 |
| The conduct stick setting-up |
13 |
| External wire terminal hold-down nut | 5 |
| The external wire terminal | 6 |
| External wire terminal setting-up piece | 7 |
| |
21 |
| The sealed |
22 |
| Install and fix double- |
23 |
| Through |
24 |
| First bevelled |
15 |
| Second bevelled |
121 |
| The flank of thread of band tapering | 16 |
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
See also Fig. 1, the application synoptic diagram of the water level induction electrode that it provides for the utility model preferred embodiments.The water level induction electrode comprises conduct stick 11, insulating sheath seat 12, hold-down nut 4, setting-up piece 3, conduct stick hold-down nut 14, conduct stick setting-up piece 13, external wire terminal hold-down nut 5, external wire terminal 6 and external wire terminal setting-up piece 7.Wherein, insulating sheath seat 12, setting-up piece 3, hold-down nut 4, conduct stick setting-up piece 13, conduct stick hold-down nut 14, external wire terminal 6, external wire terminal setting-up piece 7 and external wire terminal hold-down nut 5 are set on the conduct stick 11 successively.
Please combine Fig. 2; One end of conduct stick 11 is a polished surface; The other end is the external thread face; The diameter that conduct stick 11 has an end of polished surface has the diameter of an end of external thread face greater than conduct stick 11, and the critical place of polished surface and external thread face is provided with transition part on the conduct stick 11, and said transition part is first bevelled sealing surface 15.Conduct stick 11 has an end in contact measuring media of polished surface.The material of conduct stick 11 can be conducting metal, like copper, zinc, aluminium, stainless steel material, or conductive silicon rubber.
See also Fig. 3, an end of insulating sheath seat 12 is cylindrical light face, and is provided with and is used to install at least one group of operation planar 21 that clamping tool is used, and every group of operation planar 21 is symmetrical set, and in this embodiment, the quantity of operation planar 21 is one group.Insulating sheath seat 12 has an end in contact measuring media of cylindrical light face.The other end of insulating sheath seat 12 is provided with sealed step face 22 and installs and fixes double-screw bolt 23, and sealed step face 22 is perpendicular to installing and fixing double-screw bolt 23.Insulating sheath seat 12 offers the through hole 24 that supplies conduct stick 11 to pass through; One end of through hole 24 inwalls is provided with the inner threaded surface that screws togather with conduct stick 11, and the other end of through hole 24 inwalls is provided with second bevelled sealing surface 121 that fits tightly each other with first bevelled sealing surface 15.Also be provided with the flank of thread 16 of band tapering between the said inner threaded surface and second bevelled sealing surface 121, in this embodiment, the length of flank of thread 16 of band tapering occupy through hole 24 length 1/3; Insulating sheath seat 12 is the teflon mount pad of formed by integrally casting moulding.
Please consult Fig. 1, Fig. 4 and Fig. 5 in the lump, hold-down nut 4 with install and fix double-screw bolt 23 and screw togather, setting-up piece 3 is set in and installs and fixes on the double-screw bolt 23 and by hold-down nut 4 pressure holdings.Conduct stick hold-down nut 14 screws togather with conduct stick 11, and conduct stick setting-up piece 13 is set on the conduct stick 11 and by hold-down nut 4 and the 14 mutual pressure holdings of conduct stick hold-down nut.External wire terminal hold-down nut 5 screws togather with conduct stick 11, and external wire terminal 6 is set on the conduct stick 11 with external wire terminal setting-up piece 7 and in the lump by external wire terminal hold-down nut 5 and the 14 mutual pressure holdings of conduct stick hold-down nut successively.
When the water level induction electrode is installed; Conduct stick 11 is had an externally threaded end to be screwed together in the insulating sheath seat 12 through through hole 24 and in insulating sheath seat 12, to extend; The end that conduct stick 11 has polished surface exposes outside insulating sheath seat 12, and guarantees that first bevelled sealing surface 15 and second bevelled sealing surface 121 fit tightly each other; The double-screw bolt 23 that installs and fixes of insulating sheath seat 12 is penetrated container 2 and is exposed to outside the container 2, and conduct stick 11 has an end of polished surface and a end that insulating sheath seat 12 has cylindrical light face is housed in the container 2, thereby can the contact measurement medium; Setting-up piece 3 and hold-down nut 4 be set in successively install and fix on the double-screw bolt 23, and be fixedly clamped each other; Conduct stick setting-up piece 13, conduct stick hold-down nut 14, external wire terminal 6, external wire terminal setting-up piece 7 and external wire terminal hold-down nut 5 are set on the conduct stick 11 successively, and are fixedly clamped each other.
In sum; The utility model has the advantages that: the polytetrafluoroethylmaterial material itself that insulating sheath seat 12 adopts promptly is a kind of high temperature resistant, solid-state nontoxic encapsulant of excellence, and being widely used in the people has in the daily life, and it is both as insulating material; Also as encapsulant; Utilize the good characteristics of polytetrafluoroethylmaterial material plasticity, and fit tightly each other, so just can push interlock between conduct stick 11 and the insulating sheath seat 12 through first bevelled sealing surface 15 and second bevelled sealing surface 121; Closely seamless, reach sealing purpose; The utility model utilizes hold-down nut 4 insulating sheath seat 12 to be locked on the wall of container 2 and gets final product in installing and using, need not and container 2 between establish gasket seal, what prevent further that material aging from bringing leaks and other potential problem; The utility model is simple in structure, is prone to shape, and is safe and reliable, can be widely used in the water level detecting of various water heaters, boiler.
Compared with prior art, it has solved water level induction electrode insulating material and under the environment for use that high temperature occasion and temperature back and forth change, is prone to the aging powdering of pyrolysis or cracks the failure of insulation line short problem that fragmentation causes because of thermal stress.The utility model can be widely used on the water level detecting of various water heaters, boiler, and is easy for installation, detects reliable and stable.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. water level induction electrode; It comprises conduct stick (11) and is set in the insulating sheath seat (12) on the conduct stick (11); Wherein, One end of conduct stick (11) is a polished surface, and the other end is the external thread face, and the end that conduct stick (11) has polished surface exposes outside insulating sheath seat (12); The end that conduct stick (11) has an external thread face is screwed together in the insulating sheath seat (12) and in insulating sheath seat (12), extends; It is characterized in that the diameter that conduct stick (11) has an end of polished surface has the diameter of an end of external thread face greater than conduct stick (11), the critical place that conduct stick (11) is gone up polished surface and external thread face is provided with transition part; Said transition part is first bevelled sealing surface (15), and insulating sheath seat (12) is provided with second bevelled sealing surface (121) that fits tightly each other with first bevelled sealing surface (15).
2. a kind of water level induction electrode as claimed in claim 1; It is characterized in that; Insulating sheath seat (12) is cylindrical light face near the end that conduct stick (11) has polished surface; And be provided with and be used at least one group of operation planar (21) that clamping tool is used is installed, every group of operation planar (21) is symmetrical set.
3. a kind of water level induction electrode as claimed in claim 1; It is characterized in that; Insulating sheath seat (12) is provided with sealed step face (22) and installs and fixes double-screw bolt (23) away from the end that conduct stick (11) has polished surface, and sealed step face (22) is perpendicular to installing and fixing double-screw bolt (23).
4. a kind of water level induction electrode as claimed in claim 3; It is characterized in that; Insulating sheath seat (12) offers the through hole (24) that supplies conduct stick (11) to pass through; Be provided with the inner threaded surface that screws togather with conduct stick (11) near an end that installs and fixes double-screw bolt (23) on through hole (24) inwall, be provided with said second bevelled sealing surface (121) away from an end that installs and fixes double-screw bolt (23) on through hole (24) inwall.
5. a kind of water level induction electrode as claimed in claim 4 is characterized in that, also is provided with the flank of thread (16) of band tapering between said inner threaded surface and second bevelled sealing surface (121).
6. a kind of water level induction electrode as claimed in claim 5 is characterized in that, the length of the flank of thread of said band tapering (16) occupy through hole (24) length 1/3.
7. a kind of water level induction electrode as claimed in claim 3; It is characterized in that; Said water level induction electrode also comprises hold-down nut (4) and setting-up piece (3); Wherein, hold-down nut (4) with install and fix double-screw bolt (23) and screw togather, setting-up piece (3) is set in and installs and fixes that double-screw bolt (23) is gone up and by hold-down nut (4) pressure holding.
8. a kind of water level induction electrode as claimed in claim 7; It is characterized in that; Said water level induction electrode also comprises conduct stick hold-down nut (14) and conduct stick setting-up piece (13); Wherein, conduct stick hold-down nut (14) and conduct stick (11) screw togather, and conduct stick setting-up piece (13) is set in that conduct stick (11) is gone up and by hold-down nut (4) and conduct stick hold-down nut (14) pressure holding each other.
9. a kind of water level induction electrode as claimed in claim 8; It is characterized in that; Said water level induction electrode also comprises external wire terminal hold-down nut (5), external wire terminal (6) and external wire terminal setting-up piece (7); Wherein, External wire terminal hold-down nut (5) and conduct stick (11) screw togather, and external wire terminal (6) and external wire terminal setting-up piece (7) are set in successively that conduct stick (11) is gone up and in the lump by external wire terminal hold-down nut (5) and conduct stick hold-down nut (14) pressure holding each other.
10. like claim 1 or 6 described a kind of water level induction electrodes, it is characterized in that insulating sheath seat (12) is the teflon mount pad of formed by integrally casting moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205617974U CN202382799U (en) | 2011-12-29 | 2011-12-29 | Water level induction electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205617974U CN202382799U (en) | 2011-12-29 | 2011-12-29 | Water level induction electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202382799U true CN202382799U (en) | 2012-08-15 |
Family
ID=46631295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205617974U Expired - Fee Related CN202382799U (en) | 2011-12-29 | 2011-12-29 | Water level induction electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202382799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111211460A (en) * | 2020-01-10 | 2020-05-29 | 西北核技术研究院 | Electric connection method and connection device for high-voltage equipment lead and metal inner barrel |
-
2011
- 2011-12-29 CN CN2011205617974U patent/CN202382799U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111211460A (en) * | 2020-01-10 | 2020-05-29 | 西北核技术研究院 | Electric connection method and connection device for high-voltage equipment lead and metal inner barrel |
| CN111211460B (en) * | 2020-01-10 | 2021-04-02 | 西北核技术研究院 | Electric connection method and connection device for high-voltage equipment lead and metal inner barrel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203731704U (en) | Dry-burning-prevention device and electric water heater | |
| CN203498473U (en) | Electric water heater with magnesium rod consumption degree detecting function | |
| CN103579147A (en) | Equipotential electrode for converter valve | |
| CN202382799U (en) | Water level induction electrode | |
| CN203771041U (en) | Liquid leakage detection device | |
| CN204314367U (en) | A kind of high-tension switch cabinet insulating part Leakage Current measures sensing device | |
| CN201508242U (en) | Temperature sensor | |
| CN204535814U (en) | A kind of fuel oil middle water level monitoring device | |
| CN203881745U (en) | Pipeline gas sensor connection seat | |
| CN204142667U (en) | Water quality detecting device and water purifier | |
| CN201852615U (en) | Alternating current electrolytic liquid level sensor | |
| CN101674687B (en) | Inner membrane tubular electrothermal device and production method | |
| CN100554981C (en) | Electric power transformer insulated on-line monitoring sensor mounting device | |
| CN201942751U (en) | Current anti-corrosion protective device and centrifugal pump | |
| CN202511904U (en) | Top-mounted sensor | |
| CN205067608U (en) | High temperature high voltage electrode N type conductivity sensor | |
| CN204880648U (en) | Novel water heater | |
| CN201896069U (en) | Water seepage electrode device of ozone generator | |
| CN205791430U (en) | A kind of cable waterproof chuck | |
| CN213336352U (en) | Liquid level alarm sensor | |
| CN203104218U (en) | Locking tooth-type insulation temperature measuring device used for end cap of motor | |
| CN213336351U (en) | Water level alarm sensor for automobile | |
| CN204388961U (en) | Separated wireless liquid level detection system | |
| CN204884725U (en) | Insulation support connecting piece | |
| CN219452364U (en) | Water-break sensor of water pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20131229 |