CN206820169U - Sealing fastener and electric connection component - Google Patents
Sealing fastener and electric connection component Download PDFInfo
- Publication number
- CN206820169U CN206820169U CN201720689252.9U CN201720689252U CN206820169U CN 206820169 U CN206820169 U CN 206820169U CN 201720689252 U CN201720689252 U CN 201720689252U CN 206820169 U CN206820169 U CN 206820169U
- Authority
- CN
- China
- Prior art keywords
- main part
- seal portion
- sealing
- sealing fastener
- crush seal
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of sealing fastener and electric connection component, sealing fastener is arranged between electric heating element and flange, the sealing fastener includes coordinating the location division and power supply thermal element of main part and crush seal portion, cooperation outside flange mounting hole in flange mounting hole to penetrate fastening passage therein, the location division, main part and crush seal portion integrally connected, the crush seal portion and location division are located at the both ends of the main part respectively；The fastening passage sequentially passes through the location division, main part and crush seal portion.In the utility model, by the structure setting to sealing fastener, in electric heater, for being sealingly secured between electric heating element and flange, while ensureing the electric energy supply of electric heater, water in electric heater water tank and steam are obstructed from flange slot seepage.
Description
Technical field
It the utility model is related to electric-heating technology field, more particularly to a kind of sealing fastener and electric connection component.
Background technology
For heater, if the water of heating or vapor leakage can cause heater terminals mouth leakage of current, give people
Body causes serious security threat, therefore requires very strict to the sealing property of the electric heating element on heater.
Traditional fastening means is to be fastened electric heating element and flange welding using oxygen welding, argon arc welding or other welding manners
Come what is sealed.When heater structure is complicated, be related to electric heating element quantity it is more when, if one or more electric heating member therein
Part damages, and small space is unfavorable for damaging the replacing of electric heating element, certainly will so cause whole heater heating function to fail
Even scrap.
Utility model content
The technical problems to be solved in the utility model is, there is provided a kind of good airproof performance, durable sealing fastener and
Use the electric connection component of the sealing fastener.
Technical scheme is used by the utility model solves its technical problem：A kind of sealing fastener is provided, is arranged on
Between electric heating element and flange, the sealing fastener include coordinating main part in flange mounting hole and crush seal portion,
The location division outside flange mounting hole and power supply thermal element is coordinated to penetrate fastening passage therein, the location division, main part
With crush seal portion integrally connected, the crush seal portion and location division are located at the both ends of the main part respectively；The fastening
Passage sequentially passes through the location division, main part and crush seal portion.
Preferably, the periphery in the crush seal portion is provided with extruding spigot surface.
Preferably, the extruding spigot surface is arcwall face or taper surface.
Preferably, extruding groove is provided between the crush seal portion and the inner circumferential of main part；The extruding groove connection
The fastening passage.
Preferably, the internal diameter of the extruding groove is more than the internal diameter of the fastening passage.
Preferably, the peripheral dimension of the location division is more than the peripheral dimension of the main part.
Preferably, the main part is provided with external screw thread.
The utility model also provides a kind of electric connection component, including sealing fastener, flange described in any of the above item
And electric heating element；The electric heating element, which is worn, to be connected on the mounting hole of the flange, and the sealing fastener coordinates in the peace
Fill between hole and electric heating element, the crush seal portion of the sealing fastener is squeezed between the mounting hole and electric heating element
Gap sealing.
Preferably, the mounting hole includes being sequentially connected the first hole section connect, the second hole section and the 3rd hole section；The sealing
The main part of fastener coordinates in first hole section, and the crush seal portion of the sealing fastener coordinates in second hole
In section.
Preferably, first hole section is provided with internal thread, is engaged with the external screw thread of the main part.
Preferably, the internal diameter of first hole section is more than the internal diameter of the 3rd hole section；The second hole section transition connection
Between first hole section and the 3rd hole section.
Preferably, the electric heating element includes metal shell, terminal pins, insulation fill stratum and the sealing layer of tubulose；Institute
State terminal pins to be located in the metal shell, and the end of the metal shell is stretched out in one end；The insulation fill stratum is set
Put between the metal shell and terminal pins, the sealing layer is arranged on the end of the metal shell, and the insulation is filled out
Layer is filled to be sealed in the metal shell.
The beneficial effects of the utility model：By the structure setting to sealing fastener, in electric heater, for sealing
It is fastened between electric heating element and flange, while ensureing the electric energy supply of electric heater, obstructs the water in electric heater water tank
And steam is from flange slot seepage.Change efficient and convenient, saving maintenance time.
In addition, in electric heating element, by setting of the insulation fill stratum between metal shell and terminal pins, terminal is obstructed
Electrical energy between pin and metal shell, improve security.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is the dimensional structure diagram of the sealing fastener of the embodiment of the utility model one；
Fig. 2 is the cross-sectional view of sealing fastener shown in Fig. 1；
Fig. 3 is the cross-sectional view of the electric connection component of the embodiment of the utility model one；
Fig. 4 is the structural representation of flange in Fig. 3.
Embodiment
In order to which the technical characteristics of the utility model, purpose and effect are more clearly understood, it is detailed now to compare accompanying drawing
Illustrate specific embodiment of the present utility model.
With reference to Fig. 1-3, the sealing fastener 1 of the embodiment of the utility model one, it can be applicable in electric heater, sealing fastening
Between electric heating element 2 and flange 3.The sealing fastener 1 may include that location division 13, main part 11 and the extruding of integrally connected are close
Envelope portion 12, crush seal portion 12 and location division 13 are located at the both ends of main part 11 respectively；Also include sequentially passing through location division 13, master
Body portion 11 and the fastening passage 14 in crush seal portion 12.
Wherein, main part 11 and crush seal portion 12 coordinate in the mounting hole 30 of flange 3, for being sealed in the He of mounting hole 30
Between electric heating element 2；Location division 13 coordinates outside the mounting hole 30 of flange 3, can be used as operating portion by sealing fastener precession or rotation
Go out mounting hole 30.The fastening power supply thermal element 2 of passage 14 penetrates wherein, is fixed on flange 3.
Specifically, sealing fastener 1 is overall is preferably made of copper product, and such as H62 brass, its copper content is 60.5%~
63.5%, there is good mechanical performance and elongation percentage, plasticity is strong, and resistance to pressure is high, is resistant to extrude for a long time, performance is constant, reaches
To sealing effectiveness.Certainly, sealing fastener 1 is not limited to above-mentioned copper product, and other satisfactory materials also may be used.
Main part 11 is cylindrical-shaped structure, and length is more than crush seal portion 12 and location division 13.Main part 11 is provided with outer
Screw thread 15, with the screw-internal thread fit with mounting hole 30.
Crush seal portion 12 is arranged on main part 11 and coordinates the end in mounting hole 30, can be screwed in sealing fastener 1
It is slightly distorted in extruding and the gap between electric heating element 1 and mounting hole 30 is fully sealed.
The periphery in crush seal portion 12 is provided with extruding spigot surface 121.Extruding spigot surface 121 can be corresponding with mounting hole 30
Internal face part coordinates, and can be deformed along corresponding internal face portion extrusion.
Preferably, it can be arcwall face to extrude spigot surface 121, or taper surface.The setting of spigot surface 121 is extruded,
So that the thickness in crush seal portion 12 gradually increases from its opposite end to the center.
In addition, extruding groove 16 is provided between the inner circumferential of crush seal portion 12 and main part 11；Extruding groove 16 connects tightly
Gu passage 14.Also, the internal diameter for extruding groove 16 is more than the internal diameter of fastening passage 14.
The setting of groove 16 is extruded, wall thickness in crush seal portion 12, is easy to crush seal portion 12 where can reducing it
Extrusion.
Location division 13 is located relatively on the other end of main part 11 with crush seal portion 12, its peripheral dimension (such as external diameter
Deng) it is more than the peripheral dimension of main part 11.When sealing fastener 1 is arranged on flange 3, location division 13 is supported only outside mounting hole 30
Portion.
As Figure 1-3, the electric connection component of the embodiment of the utility model one, including above-mentioned sealing fastener 1, method
Orchid 3 and electric heating element 2；Electric heating element 2 is worn on the mounting hole 30 for being connected on flange 3, and sealing fastener 1 coordinates in the He of mounting hole 30
Between electric heating element 2, the crush seal portion 12 of sealing fastener 1 is squeezed the gap between mounting hole 30 and electric heating element 2
Sealing.
Sealing fastener 1 is tightened between flange 3 and electric heating element 2 so that gap between the two is fewer and fewer, finally
It is fully sealed, prevents from ensureing that electric energy safe connects the good effect of leakproof while water and vapor are revealed in electric heater water tank
Fruit.
Wherein, electric heating element 2 may include metal shell 21, terminal pins 22, insulation fill stratum 23 and the sealing layer of tubulose；
Terminal pins 22 are located in metal shell 21, and the end of metal shell 21 is stretched out in one end；Insulation fill stratum 23 is arranged on gold
Belong between shell 21 and terminal pins 22, sealing layer is arranged on the end of metal shell 21, and insulation fill stratum 23 is sealed in into metal
In shell 21.
On electric heater, the one end of terminal pins 22 for stretching out metal shell 21 is used for external power supply, and the other end can pass through hair
Heated filament is connected to the heater inside electric heater, and electric heater is internally heated so as to realize.
Insulation fill stratum 23 can be taken on using magnesia powder, and dense packing effect, will between metal shell 21 and terminal pins 22
Both isolations, avoid both from contacting conducting.
Insulation fill stratum 23 is sealed in metal shell 21 by sealing layer, avoids the moisture absorption of insulation fill stratum 23 from leaking electricity.
In the present embodiment, sealing layer includes the fluid sealant 24 for being sealed in the end of metal shell 21 and coordinated in fluid sealant
Ceramic bead sealant 25 on 24；Ceramic bead sealant 25 is located at side of the fluid sealant 24 away from insulation fill stratum 23.
Fluid sealant 24 can be epoxy resin.
The mounting hole of flange 3 may include to be sequentially connected the first hole section 31 connect, the second hole section 32 and the 3rd hole section 33.Sealing
The main part 11 of fastener 1 coordinates in the first hole section 31, and the crush seal portion 12 of sealing fastener 1 coordinates in the second hole section 32
It is interior.
First hole section 31 is provided with internal thread, is engaged with the external screw thread 15 of main part 11.
The internal diameter of first hole section 31 is more than the internal diameter of the 3rd hole section 33；The transition of second hole section 32 is connected to the He of the first hole section 31
Between 3rd hole section 33, so as to which the second hole section 32 can be inclined with respect to the first hole section 31 and the 3rd hole section 33.In addition, the second hole section
32 and the 3rd hole section 33 junction can also be provided with the axis of right angle setting hole 30 confined planes 321, confined planes 321 will extrude close
Envelope portion 12 supports only spacing in the second hole section 32.
The utility model is applied on electric heater, when the electric heating element 2 on electric heater damages, it is only necessary to will seal
Fastener 1 is unscrewed, you can changes electric heating element 2, so as to solve the possibility for causing whole electric heater to fail or scrap, keeps away
Exempt to cause unnecessary economic loss, while change efficient and convenient, saving maintenance time.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical areas, similarly it is included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of sealing fastener, between electric heating element and flange, it is characterised in that the sealing fastener includes matching somebody with somebody
Close the main part in flange mounting hole and crush seal portion, location division and the power supply heat member coordinated outside flange mounting hole
Part penetrates fastening passage therein, the location division, main part and crush seal portion integrally connected, the crush seal portion and fixed
Bit position not Wei Yu the main part both ends；The fastening passage sequentially passes through the location division, main part and crush seal
Portion.
2. sealing fastener according to claim 1, it is characterised in that led provided with extruding the periphery in the crush seal portion
To face.
3. sealing fastener according to claim 2, it is characterised in that the extruding spigot surface is arcwall face or taper
Face.
4. sealing fastener according to claim 1, it is characterised in that the inner circumferential of the crush seal portion and main part it
Between be provided with extruding groove；The extruding groove connects the fastening passage.
5. sealing fastener according to claim 4, it is characterised in that the internal diameter of the extruding groove is more than the fastening
The internal diameter of passage.
6. sealing fastener according to claim 1, it is characterised in that the peripheral dimension of the location division is more than the master
The peripheral dimension in body portion；
The main part is provided with external screw thread.
7. a kind of electric connection component, it is characterised in that including the sealing fastener described in claim any one of 1-6, flange
And electric heating element；The electric heating element, which is worn, to be connected on the mounting hole of the flange, and the sealing fastener coordinates in the peace
Fill between hole and electric heating element, the crush seal portion of the sealing fastener is squeezed between the mounting hole and electric heating element
Gap sealing.
8. electric connection component according to claim 7, it is characterised in that the mounting hole includes being sequentially connected the connect
One hole section, the second hole section and the 3rd hole section；The main part of the sealing fastener coordinates in first hole section, the sealing
The crush seal portion of fastener coordinates in second hole section.
9. electric connection component according to claim 8, it is characterised in that first hole section is provided with internal thread, with institute
The external screw thread for stating main part is engaged；
The internal diameter of first hole section is more than the internal diameter of the 3rd hole section；The second hole section transition is connected to first hole
Between section and the 3rd hole section.
10. electric connection component according to claim 7, it is characterised in that the electric heating element includes the metal of tubulose
Shell, terminal pins, insulation fill stratum and sealing layer；The terminal pins are located in the metal shell, and one end is stretched out
The end of the metal shell；The insulation fill stratum is arranged between the metal shell and terminal pins, and the sealing layer is set
Put in the end of the metal shell, the insulation fill stratum is sealed in the metal shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720689252.9U CN206820169U (en) | 2017-06-12 | 2017-06-12 | Sealing fastener and electric connection component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720689252.9U CN206820169U (en) | 2017-06-12 | 2017-06-12 | Sealing fastener and electric connection component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206820169U true CN206820169U (en) | 2017-12-29 |
Family
ID=60760447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720689252.9U Active CN206820169U (en) | 2017-06-12 | 2017-06-12 | Sealing fastener and electric connection component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206820169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109894816A (en) * | 2019-03-14 | 2019-06-18 | 中山市城裕盛晖五金电热制品有限公司 | Flange and heating element Technology of Mechanical Seal and structure for heater |
-
2017
- 2017-06-12 CN CN201720689252.9U patent/CN206820169U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109894816A (en) * | 2019-03-14 | 2019-06-18 | 中山市城裕盛晖五金电热制品有限公司 | Flange and heating element Technology of Mechanical Seal and structure for heater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203927135U (en) | A kind of corrugated stainless steel tubing rapid pipe joint | |
| CN206820169U (en) | Sealing fastener and electric connection component | |
| CN207064702U (en) | A kind of Subzero valve | |
| CN206582323U (en) | Electrically run through bindiny mechanism through connector assembly and electrically | |
| CN106686783A (en) | Novel heating apparatus heating part | |
| CN207730544U (en) | Pipeline pressure testing device with temperature control in a kind of modularized production | |
| CN208572462U (en) | Electric heating tube fills silicone oil device | |
| CN207018675U (en) | A kind of hydraulic pressure bore seal | |
| CN206697606U (en) | A kind of equipotential water electrode assembly | |
| CN207407520U (en) | A kind of nanometer heating unit for heating stove heating water tank | |
| CN202080733U (en) | Steam tracing structure of rotary valve shell | |
| CN207080740U (en) | For connecting the T-shaped connector of floor heating line | |
| CN206789782U (en) | Water joint | |
| CN204222260U (en) | A kind of fast open enclosed safe heating isopressing device | |
| CN207796083U (en) | A kind of hydrogen-cooled device rubber sealing structure | |
| CN206834701U (en) | A kind of cable fixing head | |
| CN201701044U (en) | Coffee machine boiler | |
| CN204922282U (en) | Fire the pipe connection | |
| CN209515557U (en) | A kind of novel telemetering type SF6 gas density is relay sensor special structure | |
| CN212616598U (en) | Angle-adjustable connecting device of pressure reducing valve | |
| CN213177679U (en) | Novel horizontal heating device | |
| CN216689609U (en) | Heating pipe sealing structure of integrated inner container | |
| CN216139433U (en) | High-strength plastic-steel composite pipe and production device thereof | |
| CN103230767B (en) | Be provided with the anticorrosion equipment of the reinforcing prop of resistance to negative pressure | |
| CN203657930U (en) | Anti-liquid leakage temperature sensor used for automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |