CN209544035U - A kind of flange and the insulator using flange - Google Patents
A kind of flange and the insulator using flange Download PDFInfo
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- CN209544035U CN209544035U CN201822089754.5U CN201822089754U CN209544035U CN 209544035 U CN209544035 U CN 209544035U CN 201822089754 U CN201822089754 U CN 201822089754U CN 209544035 U CN209544035 U CN 209544035U
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Abstract
The utility model discloses a kind of flange and the insulator using flange, is related to flange technical field.Wherein, which includes: that flange side is equipped with groove, and bottom portion of groove is equipped with the first through hole for inflation；Charge valve is arranged in the groove；Sealer wraps charge valve towards the end face of slot opening and is filled between charge valve and groove inner wall.Sealer directly wraps charge valve towards the end face of slot opening and is filled between charge valve and groove inner wall, the gap between charge valve and flange can thus be filled, the steam outside flange is prevented to penetrate into inside flange by the gap between charge valve and sealer, block the steam permeation pathway between charge valve and sealer, improve the leakproofness in charge valve region in flange, the service life and use reliability for improving product, guarantee the insulation performance and electric property of product.
Description
Technical field
The utility model relates to flange technical fields, more particularly to a kind of flange and use the insulator of flange.
Background technique
Insulator can be divided into three types according to the interior insulation medium of core and the difference of core forming technique: solid type,
Polyurethane Perfusion type and hollow inflatable type angularly carry out the analysis of system from performance, production technology, operation and maintenance to three
Compare, other than it may need pressure monitoring, from cost, process complexity and quality controllability angle, hollow inflatable
Type has more advantage than solid type and Polyurethane Perfusion type, is the most convenient technique route for the purpose of realizing product function.
Air Puffer-type insulator is provided with charge valve on flange, and the connection sealing of charge valve and flange can be influenced
Hollow inflatable type insulator electric property and the most important factor of insulation performance.But the connection of charge valve and flange in the prior art
Sealing performance cannot reach the performance requirement of hollow inflatable type insulator, and there are the risks of certain internal flashover.
Utility model content
The purpose of the utility model is to provide a kind of flange and using the insulator of flange, charge valve and method can be improved
Blue connection sealing energy --- to reach the performance requirement of hollow inflatable type insulator.
In order to achieve the above objectives, the technical solution that the utility model uses is: a kind of flange is provided,
Flange side is equipped with groove, and bottom portion of groove is equipped with the first through hole for inflation；
Charge valve is arranged in the groove；
Sealer wraps charge valve towards the end face of slot opening and is filled between charge valve and groove inner wall.
Wherein, sealing rubber ring, sealing rubber ring are sheathed on charge valve periphery, and between charge valve and groove inner wall.
Wherein, one end of sealing rubber ring towards slot opening is provided with the second through-hole, and sealer passes through second from sealing rubber ring
Throughhole portions enter outside sealing rubber ring.
Wherein, for sealing rubber ring towards one end end face of slot opening lower than plane where slot opening, the second through-hole diameter is small
In the internal diameter that the inner wall of sealing rubber ring side wall is defined；
Sealer is filled between charge valve periphery and the inner wall of sealing rubber ring side wall, charge valve is towards the end face of slot opening
And sealing rubber ring is towards between the inner wall of slot opening one end, between groove inner wall and the outer wall of sealing rubber ring side wall and sealing rubber ring
Recess space towards except the end face of slot opening one end.
Wherein, its neighbouring opening is equipped with annular groove on groove inner wall；
Sealing rubber ring is located at where annular groove towards bottom portion of groove one end end face towards plane where the end face of slot opening one end
Where plane and slot opening between plane；
Sealer is partially filled in annular groove.
Wherein, the gap location of sealing rubber ring and groove inner wall is provided with the first sealing ring.
Wherein, first through hole diameter is less than groove diameter, and bottom portion of groove is equipped with around first through hole and protrusion bottom portion of groove
First step, for charge valve by being fixedly connected in groove with first through hole, charge valve resists the position of first step
It is provided with the second sealing ring.
Wherein, groove inner wall is equipped with annular groove, and annular groove edge is higher by inner wall surface, forms rank between annular groove and inner wall surface
Ladder.
Wherein, flange side is equipped with boss structure, and groove is arranged at boss structure.
In order to solve the above technical problems, another technical solution that the utility model uses is: providing a kind of flange seal
Method.
Wherein, encapsulating method includes the following steps；
Charge valve is mounted in the groove of flange side setting, and the inflating port alignment indentation bottom of charge valve is set
First through hole；
Body at the beginning of sealer is injected into groove, so that just body wraps charge valve towards the end face of slot opening and fills out sealer
It fills between charge valve and groove inner wall；
Solidifying the sealer being filled in groove, just body forms sealer.
Wherein, first through hole diameter is less than groove diameter, charge valve is mounted in the groove of flange side setting, and make
The first through hole step of the inflating port alignment indentation bottom setting of charge valve specifically includes:
The second sealing ring is placed in bottom portion of groove；
Charge valve one end is allowed to pass through the second sealing ring and first through hole, until position can resist groove-bottom among charge valve
Portion, and charge valve and first through hole is made to be cooperatively connected.
Wherein, it completes body at the beginning of sealer injecting groove, so that just body wraps charge valve towards slot opening to sealer
End face and after being filled in the intermediate step of charge valve and groove inner wall, comprising:
Sealing rubber ring is depressed into bottom portion of groove from slot opening, sealing rubber ring is sheathed on charge valve periphery, and be located at charge valve with
Between groove inner wall.
In order to solve the above technical problems, another technical solution that the utility model uses are as follows: provide a kind of insulator, wrap
Insulation tube is included, the end of insulation tube is arranged above-mentioned flange, is connected to inside first through hole and insulation tube.
Wherein, insulation gas filled by charge valve in insulation tube, the absolute pressure of insulating gas is 0.1~
0.15MPa。
Above scheme, sealer directly wrap charge valve towards the end face of slot opening and are filled in charge valve and groove
Between inner wall, can thus fill the gap between charge valve and flange, prevent steam outside flange by charge valve and
Gap between sealer penetrates into inside flange, blocks the steam permeation pathway between charge valve and sealer, improves method
The leakproofness in the region of charge valve is set in orchid, improves the service life and use reliability of product, guarantees the insulating properties of product
Energy and electric property.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model flange one embodiment；
Fig. 2 is the enlarged diagram of part A on the flange of the utility model one embodiment；
Fig. 3 is the structural schematic diagram of second embodiment of the utility model flange；
Fig. 4 is the enlarged diagram of part B on the flange of second embodiment of the utility model；
Fig. 5 is the structural schematic diagram of the utility model flange third embodiment；
Fig. 6 is the enlarged diagram of Local C on the flange of the utility model third embodiment；
Fig. 7 is the structural schematic diagram for not installing the flange of charge valve in the utility model third embodiment；
Fig. 8 is the structural schematic diagram of the utility model insulator one embodiment.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is the structural schematic diagram of the utility model flange one embodiment；Fig. 2 is this reality
With the enlarged diagram of part A on the flange 11 of novel one embodiment.As depicted in figs. 1 and 2, flange 11 includes:
11 side of flange is equipped with groove 15, and 15 bottom of groove is equipped with the first through hole 16 for inflation.Wherein, groove 15
Diameter can be equal to, less than or greater than the diameter of first through hole 16.
Charge valve 13 is set in groove 15.Wherein, charge valve 13 can use the fasteners such as bolt, screw, rivet, pin
To replace.
Sealer 14 wraps end face and be filled in charge valve 13 and groove 15 that charge valve 13 is open towards groove 15
Between wall.Wherein, sealer 14 can be is filled into groove 15 in the form of body at the beginning of the sealer of liquid or fluid, is then passed through
Certain mode is formed by curing final sealer 14.Sealer 14 is weak with the rate of perviousness after solidifying, ageing-resistant performance is strong, resistance to purple
The characteristic of outer superior performance.Sealer 14 can be thermosetting property sealer, ultraviolet light sealer or room temperature sealer.Thermosetting property is close
Envelope object can be silicon rubber, thermosetting resin or polyurethane.Silicon rubber is chosen as room temperature vulcanized silicone rubber, can also select other
Material, such as high-temperature silicon disulfide rubber, fluid silicone rubber, fluorine-containing silicon rubber.
In the utility model, the end that flange 11 is generally used for being arranged in insulation tube forms insulator, the opening of groove 15
Far from insulation tube, the bottom of groove 15 is open opposite end face close to insulation tube, 15 bottom of groove and groove 15 as groove floor
17。
16 diameter of first through hole is less than 15 diameter of groove, and charge valve 13 with first through hole 16 by being fixedly connected
In groove 15, the position that charge valve 13 resists groove floor 17 is provided with the second sealing ring 12.Wherein, because of charge valve 13 and recessed
The linkage interface of groove bottom 17 can regard solid solid interface as, it is well known that leakproofness is not strong between solid solid interface, and steam is easily
Inside from the contacting permeation into flange, therefore, the present embodiment is provided with second in the position that charge valve 13 resists groove floor 17
Sealing ring 12.Certainly, the utility model is not limited to this, in other implementations, can also be not provided with the second sealing ring
12, charge valve 13 lies directly against groove floor 17, is directly realized by sealing by sealer 14.
In the groove 15 on sealing flange 11, encapsulating method the following steps are included:
S101: charge valve 13 is mounted in the groove 15 of 11 side of flange setting, and makes the inflating port pair of charge valve 13
The first through hole 16 of quasi- 15 bottom of groove setting.
In above-mentioned steps S101, firstly, placing the second sealing ring 12 in 15 bottom of groove；Then 13 one end of charge valve is allowed
Across the second sealing ring 12 and first through hole 16, until the intermediate position of charge valve 13 can resist the groove-bottom of 15 bottom of groove
Face 17, and charge valve 13 and first through hole 16 is made to be cooperatively connected.
S102: injecting groove 15 for body at the beginning of sealer, so that the first body of sealer wraps charge valve 13 and opens towards groove 15
Mouthful end face and be filled between 15 inner wall of charge valve 13 and groove.
S103: solidifying the sealer being filled in groove 15, just body forms sealer 14.
In the present embodiment, sealer directly wrap charge valve towards the end face of slot opening and be filled in charge valve with
Between groove inner wall, the gap between charge valve and flange can be thus filled, the steam outside flange is prevented to pass through inflation
Gap between valve and sealer penetrates into inside flange, blocks the steam permeation pathway between charge valve and sealer, mentions
The leakproofness in the region of charge valve is set in high flange, improves the service life of product.Meanwhile it can repeatedly be filled using charge valve
Gas, it is easy to disassemble, sealing can be filled after inflation rapidly, steam is effectively prevent to permeate.
Fig. 3 and Fig. 4 are please referred to, Fig. 3 is the structural schematic diagram of second embodiment of the utility model flange；Fig. 4 is this reality
With the enlarged diagram of part B on the flange 21 of novel second embodiment.As shown in Figure 3 and Figure 4, which includes:
21 side of flange is equipped with groove 26, and 26 bottom of groove is equipped with the first through hole 27 for inflation.Wherein, groove 26
Diameter can be equal to, less than or greater than the diameter of first through hole 27.
Charge valve 23 is set in groove 26.Wherein, the inflating port of charge valve 23 is directed at first through hole 27.Charge valve 23
It is arranged in groove 26 by being cooperatively connected with first through hole 27.Further, 23 screw thread of charge valve and 27 screw thread of first through hole
Connection.Charge valve 23 is directly connected in flange 21, facilitates charge operation, realizes simple process, reduces the opening on flange 21, energy
Enough effectively improve the gas sealing ability of flange 21.
Sealer 24 wraps end face and be filled in charge valve 23 and groove 26 that charge valve 23 is open towards groove 26
Between wall.Wherein, sealer 24, which can be, is filled into groove 26 in the form of body at the beginning of the sealer of liquid, then passes through certain side
Formula solidification.Sealer 24 is weak with the rate of perviousness after solidifying, ageing-resistant performance is strong, the superior characteristic of UV resistance.Sealer
24 can be thermosetting property sealer, ultraviolet light sealer or room temperature sealer.Thermosetting property sealer can be auto-vulcanization silicon rubber
Glue, thermosetting resin or polyurethane.
Sealing rubber ring 28, sealing rubber ring 28 are sheathed on 23 periphery of charge valve, and between 26 inner wall of charge valve 23 and groove.It is real
In the seal process of border, sealing rubber ring 28 is usually to be depressed into 26 bottom of groove from the opening of groove 26, until sealing rubber ring 28 is towards groove
One end end face of 26 bottoms abuts to the groove floor 29 of 26 bottom of groove, in the process that sealing rubber ring 28 is depressed into 26 bottom of groove
In, sealing rubber ring 28 can apply active force to the sealer 24 for being filled into groove 26, thus the sealer 24 that can be compacted in groove 26,
And exclude the bubble in sealer 24；Increase the density of sealer 24, and can ensure that sealer 24 will be inside groove 26
All gaps are fully filled with, to further increase the leakproofness of the flange 21, prevent steam from permeating.
Sealing rubber ring 28 is provided with the second through-hole towards one end that groove 26 is open, and sealer 24 is from sealing rubber ring 28 by the
Two throughhole portions enter outside sealing rubber ring 28.Wherein, during sealing rubber ring 28 is depressed into 26 bottom of groove, in sealing rubber ring 28
Sealer 24 can enter outside sealing rubber ring 28 from the second through-hole.
Plane where sealing rubber ring 28 is open towards one end end face that groove 26 is open lower than groove 26, the second through-hole diameter are small
In the internal diameter that the inner wall of 28 side wall of sealing rubber ring is defined, in this way convenient for sealing rubber ring 28 to be installed in groove 26, and seal
It is become fully hidden in groove 26 at rear sealing rubber ring 28, the outer end face of flange 21 is more smooth.
Sealer 24 is filled between the inner wall of 28 side wall of 23 periphery of charge valve and sealing rubber ring, charge valve 23 is towards groove 26
The end face of opening and sealing rubber ring 28 towards between the inner wall of 26 open at one end of groove, 26 inner wall of groove and 28 side wall of sealing rubber ring it is outer
Between wall and sealing rubber ring 28 is towards 26 space of groove except 26 open at one end end face of groove.Wherein, the envelope in the present embodiment
Cushion rubber 28 is wrapped by sealer 24, and extraneous steam can be effectively prevented and seeped by the gap between sealing rubber ring 28 and sealer 24
It arrives inside flange 21 thoroughly, further increases the sealing performance in 23 region of charge valve of flange 21, and can be in sealing rubber ring 28
The sealer 24 in portion plays a protective role, and prevents the sealer 24 inside sealing rubber ring 28 by ultraviolet radiation and/or by high temperature oxygen
Change, and then prevents 24 aging of sealer inside sealing rubber ring 28.
The gap location of 26 inner wall of outer wall and groove of 28 side wall of sealing rubber ring is provided with the first sealing ring 25.Wherein, first is close
The density of seal 25 is higher than the density of sealer 24.The density of the density ratio sealer 24 of sealing ring is high, and sealing ring has pressure
Denaturation energy, can increase the sealing performance between sealing rubber ring 28 and flange 21, further increase steam infiltration difficulty.
27 diameter of first through hole is less than 26 diameter of groove, and charge valve 23 with first through hole 27 by being fixedly connected
In groove 26, the position that charge valve 23 resists groove floor 29 is provided with the second sealing ring 22.Wherein, because of charge valve 23 and recessed
The linkage interface of groove bottom 29 can regard solid solid interface as, it is well known that leakproofness is not strong between solid solid interface, and steam is easily
Enter from the contacting permeation, therefore, the present embodiment is provided with the second sealing ring in the position that charge valve 23 resists groove floor 29
22。
In the groove 26 on sealing flange 21, encapsulating method the following steps are included:
S201: charge valve 23 is mounted in the groove 26 of 21 side of flange setting, and makes the inflating port pair of charge valve 23
The first through hole 27 of quasi- 26 bottom of groove setting.
In above-mentioned steps S201, firstly, placing the second sealing ring 22 in 26 bottom of groove；Then 23 one end of charge valve is allowed
Across the second sealing ring 22 and first through hole 27, until the intermediate position of charge valve 23 can resist 26 bottom of groove, and make to inflate
Valve 23 and first through hole 27 are cooperatively connected.
S202: injecting groove 26 for body at the beginning of sealer, so that the first body of sealer wraps charge valve 23 and opens towards groove 26
Mouthful end face and be filled between 26 inner wall of charge valve 23 and groove.
S203: being depressed into 26 bottom of groove from the opening of groove 26 for sealing rubber ring 28, and sealing rubber ring 28 is sheathed on 23 periphery of charge valve,
And between 26 inner wall of charge valve 23 and groove, the gap between sealing rubber ring 28 and flange 21 is arranged in the first sealing ring 25
Place.
Wherein, sealing rubber ring 28 can be depressed into 26 bottom of groove, it might even be possible to be depressed into groove floor 29.It is understood that
It is that the first sealing ring 25 can be first placed into groove 26, sealing rubber ring 28 is then passed through into the first sealing ring 25 again and is depressed into groove
26 bottoms.Or can also first by the first sealing ring 25 sets be set to outside sealing rubber ring 28, sealing rubber ring 28 is then depressed into groove 26 again
Bottom is inconjunction with the setting of the first sealing ring 25 between 26 side wall of sealing rubber ring 28 and groove.Or it can also be first by sealing rubber ring
28 are depressed into 26 bottom of groove, the gap location being then placed into the first sealing ring 25 between sealing rubber ring 28 and flange 21.First is close
The ring thickness of seal 25 can be more than or equal to the gap size between sealing rubber ring 28 and flange 21.
S204: solidifying the sealer being filled in groove 26, just body forms sealer 24.
It is understood that the mode for solidifying the first body of sealer can be heating and curing, ultra-violet curing or normal temperature cure.
In the present embodiment, sealer directly wrap charge valve towards the end face of slot opening and be filled in charge valve with
Between groove inner wall, thus the steam outside flange is prevented to penetrate into flange by the gap between charge valve and sealer
Inside blocks the steam permeation pathway between charge valve and sealer, improves the leakproofness that the region of charge valve is arranged in flange,
Prevent steam from passing through inside the gap penetration to flange between charge valve and groove.Sealing rubber ring is depressed into groove from slot opening
Bottom can apply active force to the sealer for being filled into groove, so that the sealer in groove can be compacted, and exclude in sealer
Bubble；Increase the density of sealer, and can ensure that all gaps of inside grooves are fully filled with by sealer, thus
The leakproofness for further increasing the flange, prevents steam from permeating.
Fig. 5 and Fig. 6 are please referred to, Fig. 5 is the structural schematic diagram of the utility model flange third embodiment；Fig. 6 is this reality
With the enlarged diagram of Local C on the flange 31 of novel third embodiment.31 side of this flange is equipped with groove 36,36 bottom of groove
Portion is equipped with the first through hole 37 for inflation.
Charge valve 33 is set in groove 36.Wherein, the inflating port of charge valve 33 is directed at first through hole 37.Charge valve 33
It is arranged in groove 36 by being cooperatively connected with first through hole 37.
Sealer 34 wraps end face and be filled in charge valve 33 and groove 36 that charge valve 33 is open towards groove 36
Between wall.
Sealing rubber ring 38, sealing rubber ring 38 are sheathed on 33 periphery of charge valve, and between 36 inner wall of charge valve 33 and groove.
Sealing rubber ring 38 is provided with the second through-hole towards one end that groove 36 is open, and sealer 34 is from sealing rubber ring 38 by the
Two throughhole portions enter outside sealing rubber ring 38.
Plane where sealing rubber ring 38 is open towards one end end face that groove 36 is open lower than groove 36, the second through-hole diameter are small
In the internal diameter that the inner wall of 38 side wall of sealing rubber ring is defined.
37 diameter of first through hole is less than 36 diameter of groove, and 36 bottom of groove is equipped with around first through hole 37 and towards groove 36
The first step 39 of opening side protrusion 36 bottom of groove, charge valve 33 with first through hole 37 by being fixedly connected in groove
In 36, the position that charge valve 33 resists first step 39 is provided with the second sealing ring 311.
Sealer 34 is filled between the inner wall of 38 side wall of 33 periphery of charge valve and sealing rubber ring, charge valve 33 is towards groove 36
The end face of opening and sealing rubber ring 38 towards between the inner wall of 36 open at one end of groove, 36 inner wall of groove and 38 side wall of sealing rubber ring it is outer
Between wall and sealing rubber ring 38 is towards 36 space of groove except 36 open at one end end face of groove.
Its neighbouring opening is equipped with annular groove 32 on 36 inner wall of groove；
Sealing rubber ring 38 is located at annular groove 32 towards 36 bottom end of groove towards plane where 36 open at one end end face of groove
Where plane where end face and the opening of groove 36 between plane；
Sealer 34 is partially filled in annular groove 32.The annular groove 32 of neighbouring its opening setting on 36 inner wall of groove,
Steam infiltration routes can be made to become more tortuous, increase steam osmotic resistance.
36 inner wall of groove is equipped with annular groove, and annular groove edge is higher by inner wall surface, forms ladder between annular groove and inner wall surface.
Wherein, 36 inner wall of groove includes the inner wall of 36 side wall of groove floor and groove of 36 bottom of groove.It is understood that groove 36
It is corresponding outer recessed to be formed that the inner wall of side wall and/or the groove floor of bottom portion of groove can design stepped or zigzag
Portion and/or inner fovea part, and sealer 34 is filled in step or sawtooth.In addition, in sealing rubber ring 38 and 31 groove of flange, 36 bottom
The junction in portion can also be equipped with the little groove 310 protruded to outside groove, and be filled with sealer 34 in little groove 310.?
In the present embodiment, the diameter of first step 39 is less than the diameter of groove 36, in the lateral wall and groove 36 of first step 39
Little groove 310 is just naturally formed between wall.
As shown in fig. 7,31 side of flange is equipped with boss structure 312, groove 36 is arranged at boss structure.In view of flange
31 need lighting, and also for raw material is saved, the needs of flange 31 design more frivolous；But the thickness of charge valve 33 is fixed
, it is thicker；Therefore the region that groove 36 is arranged in flange 31 is arranged to inwardly projecting boss structure.Specifically, this implementation
In example, the flange cylinder that flange 31 has ring flange and extends from one lateral edge of ring flange and ring flange vertical direction, boss structure 312
To the projecting inward setting of flange cylinder, the opening of groove 36 is arranged towards the direction opposite with flange cylinder.
The gap location of 36 inner wall of sealing rubber ring 38 and groove is provided with the first sealing ring 35.
In the groove 36 on sealing flange 31, encapsulating method the following steps are included:
S301: charge valve 33 is mounted in the groove 36 of 31 side of flange setting, and makes the inflating port pair of charge valve 33
The first through hole 37 of quasi- 36 bottom of groove setting.
In above-mentioned steps S301, firstly, placing the second sealing ring 311 in 36 bottom of groove；Then charge valve 33 1 is allowed
End until the intermediate position of charge valve 33 can resist 36 bottom of groove, and makes across the second sealing ring 311 and first through hole 37
Charge valve 33 and first through hole 37 are cooperatively connected.
S302: injecting groove 36 for body at the beginning of sealer, so that the first body of sealer wraps charge valve 33 and opens towards groove 36
Mouthful end face and be filled between 36 inner wall of charge valve 33 and groove.
S303: being depressed into 36 bottom of groove from the opening of groove 36 for sealing rubber ring 38, and sealing rubber ring 38 is sheathed on 33 periphery of charge valve,
And between 36 inner wall of charge valve 33 and groove, the gap between sealing rubber ring 38 and flange 31 is arranged in the first sealing ring 35
Place.
Wherein, sealing rubber ring 38 can be depressed into 36 bottom of groove, it might even be possible to be depressed into the groove-bottom of 36 bottom of groove
Face.It is understood that the first sealing ring 35 can be first placed into groove 36, it is then again that sealing rubber ring 38 is close across first
Seal 35 is depressed into 36 bottom of groove.Or can also first by the first sealing ring 35 sets be set to outside sealing rubber ring 38, then again by sealing
Circle 38 is depressed into 36 bottom of groove, is inconjunction with the setting of the first sealing ring 35 between 36 side wall of sealing rubber ring 38 and groove.Or
Sealing rubber ring 38 first can be depressed into 36 bottom of groove, then the first sealing ring 35 is placed between sealing rubber ring 38 and flange 31
Gap location.The ring thickness of first sealing ring 35 can be more than or equal to the gap size between sealing rubber ring 38 and flange 31.
S304: solidifying the sealer being filled in groove 36, just body forms sealer 34.
In the present embodiment, sealer directly wrap charge valve towards the end face of slot opening and be filled in charge valve with
Between groove inner wall, thus the steam outside flange is prevented to penetrate into flange by the gap between charge valve and sealer
Inside blocks the steam permeation pathway between charge valve and sealer, improves the leakproofness that the region of charge valve is arranged in flange,
Prevent steam from passing through inside the gap penetration to flange between charge valve and groove.Groove inner wall is equipped with annular groove.Annular groove edge
It is higher by inner wall surface, forms ladder between annular groove and inner wall surface, and fills full sealer in annular groove, so that steam seeps
Saturating route becomes non-rectilinear, increases steam and permeates difficulty.
Referring to Fig. 8, Fig. 8 is the structural schematic diagram of the utility model insulator one embodiment.In present embodiment,
The structure includes insulation tube 42, and one end of insulation tube 42 is arranged flange 41, is connected to inside first through hole and insulation tube 42.Flange 41
For the flange arrangement in any of the above-described a embodiment.The flange 41 of same structure can be set in the other end of insulation tube 42, or
Also conventional hermetic flange can be set.Specifically, insulating gas is filled into insulation tube 42 by charge valve on flange 41, filled
After insulating gas using flange seal method described in above-described embodiment by the groove in charge valve and flange 41 it
Between be sealed, guarantee good sealing performance, ensure the built-in electrical insulation reliability of insulator, to guarantee complete in life cycle
Complete non-maintaining operation.
Wherein, which is also possible to high-pressure hollow inflatable insulation either normal pressure hollow inflatable insulator, or
Other hollow inflatable insulators.Wherein, normal pressure hollow inflatable insulator solves solid-filling interface problem that may be present,
It solves high pressure gas and fills the gas leakage problem having, so that insulator is from detection and maintenance；Micro- water control is promoted simultaneously
The nargin of range processed reduces the difficulty of micro- water management and the manufacturing.The insulation tube can be with the glass of epoxy resin-impregnated glue
The molding of silvalin wound and solidified, can also be replaced with vinyl material or polyurethane material winding pipe.It can lead in the insulation tube
Overcharge that air valve is insulation gas filled, the absolute pressure of insulating gas can be 0.1~0.15MPa.Insulating gas can be SF6
Or N2Or other common insulating gas.
In the present embodiment, it is sealed by the way that flange to be arranged at charge valve, can prevent the steam of exterior insulator from passing through
Gap between charge valve and flange penetrates into interior insulator, improves the insulating properties and electric property of product, reduces quality wind
Danger, improves the reliability of product.
The above is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all utilizations
Equivalent structure or equivalent flow shift made by the utility model specification and accompanying drawing content, is applied directly or indirectly in other
Relevant technical field, is also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of flange characterized by comprising
The flange side is equipped with groove, and the bottom portion of groove is equipped with the first through hole for inflation；
Charge valve is arranged in the groove；
Sealer wraps the charge valve towards the end face of the slot opening and is filled in the charge valve and the groove
Between inner wall；
Sealing rubber ring, the sealing rubber ring are sheathed on the charge valve periphery, and between the charge valve and the groove inner wall.
2. flange according to claim 1, which is characterized in that
One end of the sealing rubber ring towards the slot opening is provided with the second through-hole, and the sealer leads to from the sealing rubber ring
Second throughhole portions are crossed to enter outside the sealing rubber ring.
3. flange according to claim 2, which is characterized in that
The sealing rubber ring is towards one end end face of the slot opening lower than plane, second through-hole where the slot opening
Diameter is less than the internal diameter that the inner wall of the sealing rubber ring side wall is defined；
The sealer is filled between the charge valve periphery and the inner wall of the sealing rubber ring side wall, the charge valve is towards institute
State slot opening end face and the sealing rubber ring towards between the inner wall of described slot opening one end, the groove inner wall with it is described
Between the outer wall of sealing rubber ring side wall and the sealing rubber ring is empty towards the groove except the end face of described slot opening one end
Between.
4. flange according to claim 1, which is characterized in that
Its neighbouring opening is equipped with annular groove on the groove inner wall；
The sealing rubber ring is located at the annular groove towards the bottom portion of groove towards plane where the end face of described slot opening one end
Where plane where the end face of one end and the slot opening between plane；
The sealer is partially filled in the annular groove.
5. flange according to claim 1, which is characterized in that
The gap location of the sealing rubber ring and the groove inner wall is provided with the first sealing ring.
6. flange according to claim 1, which is characterized in that
The first through hole diameter is less than the groove diameter, and the bottom portion of groove is equipped with around the first through hole and protrusion institute
The first step of bottom portion of groove is stated, the charge valve is described to fill by being fixedly connected in the groove with first through hole
The position that air valve resists first step is provided with the second sealing ring.
7. flange according to claim 1, which is characterized in that
The groove inner wall is equipped with annular groove, and the annular groove edge is higher by inner wall surface, is formed between the annular groove and inner wall surface
Ladder.
8. flange according to claim 1, which is characterized in that
The flange side is equipped with boss structure, and the groove is arranged at the boss structure.
9. a kind of insulator, which is characterized in that including insulation tube, the end setting such as claim 1~8 of the insulation tube is any
It is connected to inside flange described in, the first through hole and the insulation tube.
10. insulator according to claim 9, which is characterized in that by the charge valve filled with exhausted in the insulation tube
Edge gas, the absolute pressure of the insulating gas are 0.1~0.15MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822089754.5U CN209544035U (en) | 2018-12-12 | 2018-12-12 | A kind of flange and the insulator using flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020119362A1 (en) * | 2018-12-12 | 2020-06-18 | 江苏神马电力股份有限公司 | Flange, sealing method therefor and insulator using flange |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020119362A1 (en) * | 2018-12-12 | 2020-06-18 | 江苏神马电力股份有限公司 | Flange, sealing method therefor and insulator using flange |
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