CN204857571U - Injection moulding's solid utmost point post insulating casing that seals - Google Patents
Injection moulding's solid utmost point post insulating casing that seals Download PDFInfo
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- CN204857571U CN204857571U CN201520562569.7U CN201520562569U CN204857571U CN 204857571 U CN204857571 U CN 204857571U CN 201520562569 U CN201520562569 U CN 201520562569U CN 204857571 U CN204857571 U CN 204857571U
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- insulation crust
- pole
- insulating casing
- reinforcement
- injection
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Abstract
The utility model relates to a well high tension switchgear field discloses an injection moulding's solid utmost point post insulating casing that seals, is equipped with terminal outgoing lines and lower terminal outgoing lines on this insulating casing, surface at insulating casing still is equipped with: the interelectrode strengthening rib is located between terminal outgoing lines and the lower terminal outgoing lines, pole pair ground strengthening rib is located between lower terminal outgoing lines and the insulating casing bottom, the back strengthening rib is located the back relative with upper and lower terminal outgoing lines, the bottom ring channel is located insulating casing bottom bottom surface. Utility model strengthens whole rigidity at the multiple strengthening rib of insulating casing surface design for the product can not lead to mechanical damage or performance degradation because of too high impact force in assembly and use, promoted the creepage distance of product simultaneously, can be used to more harsh environment.
Description
Technical field
The utility model relates to high-voltage switch apparatus field, particularly relates to a kind of pole insulation crust of injection mo(u)lding.
Background technology
Existing pole, is generally made up of vacuum interrupter, upper outlet terminal, lower wire end and epoxy resin housing, general employing vacuum pouring or pressure gel (APG) technological forming.Production process relate to material feeding and curing time longer, content of epoxy resin is more, and production efficiency is low, waste product material cannot reclaim and be difficult to degraded, higher carbon emission can be produced in production process, not environmentally.
In use, whether mechanical strength can bear the electric power that short circuit current causes is key point to current pole, simultaneously vacuum interrupter deciliter time the impulsive force that produces also can have a great impact the intensity of entirety.The pollution level of environment for use can affect the electric property of product, particularly flashover.
In prior art, have and adopt plastics to replace epoxy resin to manufacture pole, product wall thickness can be made so thinner thus save a large amount of materials, and owing to using Shooting Technique thus reducing Post RDBMS program, improve production efficiency.But the machinery of plastic casing and electric property are relatively poor, need to be improved by rational structural design.
As Chinese patent literature " there is the embedded pole part of the insulation crust be made up of thermoplastic " (application number: 201080033436.0), disclose a kind of embedding pole parts with the insulation crust be made up of thermoplastic, it is in the case surface of product, is provided with the level connected together by material joint and/or the three-dimensional structure of vertically locating in thermoplastic.This three-dimensional structure is L shape and/or U-shaped and/or rib-like structure.This structure contributes to the mechanical rigid improving pole parts, but at upper and lower interpolar owing to being reverse co-current, therefore can produce larger repulsive force, is difficult to the requirement of mechanical strength ensureing interpolar.Simultaneously extremely shorter to the creepage distance of bottom under product, be difficult to the instructions for use ensureing gradation for surface pollution upper zone.
Chinese patent literature " a kind of pole adopting engineering plastics insulation crust " (application number: 201210281728.7), disclose a kind of pole adopting engineering plastics shell, comprise upper and lower outlet conductive seat and be arranged at the vacuum interrupter (VI) of pole inside, pole outer surface is coated with the engineering plastics shell adopting injection molding process cast.Vacuum interrupter in described pole is with resilient coating, and arc control device bottom enclosure cover has insulation fixed cover.This pole hypomere is provided with the interior external shed increasing creep distance.But this structure can not ensure the requirement of mechanical strength of product, simultaneously vacuum interrupter encapsulate and to arrange the interface that insulation fixed cover introduces more, formed product certainly exists much hidden danger.
To sum up, the present invention mainly solves following technical problem: 1, in the electric power that produces when short circuit current of product and assembling process and vacuum interrupter deciliter time impulsive force, product mechanical mechanism is produced and destroys; 2, too much to the use of material in existing pole production process, it is larger that the low and waste product material of production efficiency cannot reclaim environmental pollution.
Summary of the invention
For overcoming the problems referred to above, the utility model proposes a kind of pole insulation crust of injection mo(u)lding, strengthening integral rigidity by designing multiple reinforcement, improve the electrical reliability of product simultaneously.
For achieving the above object, the technical scheme that the utility model proposes is: a kind of pole insulation crust of injection mo(u)lding, and this insulation crust is provided with outlet terminal and lower wire end; Also be provided with at the outer surface of insulation crust: interpolar reinforcement, between upper outlet terminal and lower wire end; Pole is reinforcement over the ground, between bottom lower wire end and insulation crust; Back reinforcement, is positioned at the back side relative with upper and lower outlet terminal; Bottom annular recess, is positioned at bottom surface bottom insulation crust.
Further, described interpolar reinforcement is rail shape structure, connects upper and lower outlet terminal, and is provided with some horizontal stripes between rail shape structure.
Further, described pole over the ground reinforcement be that what match with lower wire end and insulation crust profile is the undulating profile structure of " M " shape tendency even transition.
Further, described back reinforcement is " people " character form structure.
Further, described insulation crust to be poured into an integrated entity structure by thermoplastic.
Further, described insulation crust thickness is between 2.5-8mm.
Preferably, described thermoplastic is PBT, or PA adds glass fibre, and described insulation crust thickness is between 3-4mm.
The beneficial effects of the utility model: the utility model designs multiple reinforcement to strengthen integral rigidity at insulation crust outer surface, make product that mechanical damage or performance can not be caused in assembling and use procedure to reduce because of too high impulsive force, improve the creepage distance of product simultaneously, can be used for more harsh environment.
Accompanying drawing explanation
Fig. 1 is the utility model pole insulation crust shaft side figure one;
Fig. 2 is the utility model pole insulation crust shaft side figure two.
Reference numeral: 1, interpolar reinforcement; 2, pole reinforcement over the ground; 3, back reinforcement; 4, bottom annular recess; 5, upper outlet terminal; 6, lower wire end; 7, bottom.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
The utility model designs multiple reinforcement to strengthen integral rigidity at insulation crust outer surface, make product that mechanical damage or performance can not be caused in assembling and use procedure to reduce because of too high impulsive force, improve the creepage distance of product simultaneously, can be used for more harsh environment.And adopt thermoplastic to be produced the insulation crust of pole by injection molding process, significantly improve production efficiency, reduce the use amount of material, reduce cost, decrease the impact on environment.
Concrete, the utility model pole insulation crust shaft side figure as illustrated in fig. 1 and 2, this insulation crust is provided with outlet terminal 5 and lower wire end 6; Also be provided with at insulation crust outer surface: interpolar reinforcement 1, between upper outlet terminal 5 and lower wire end 6; Pole is reinforcement 2 over the ground, bottom lower wire end 6 and pole between 7; Back reinforcement 3, is positioned at and upper and lower two outlet terminals 5, the 6 relative back sides; Bottom annular recess 4, is positioned at 7 bottom surfaces, bottom.The upper conducting terminal of the pole assembled, VI upper end over cap, vacuum interrupter, VI lower end over cap and lower conducting terminal are fixed on mould; then this insulation crust is poured into a mould by injection molding process; make this pole become an entirety, the various reinforcements of insulation crust and outer surface thereof are namely by this injection moulding integrated molding.
Wherein, interpolar reinforcement 1 is the rail shape structure that perpendicular muscle and horizontal bar are formed, and connects upper and lower outlet terminal 5,6, during to ensure by short circuit current, interpolar repulsion can not damage Total Product intensity, can avoid because impact when circuit breaker pushes causes product to ftracture simultaneously.The setting of horizontal bar further enhances overall rigidity.
Pole over the ground reinforcement 2 is the some undulating profile structures in " M " shape tendency even transition matched with lower wire end 3 and insulation crust profile, while raising bulk strength, too increases lower wire end 3 creepage distance over the ground.
The back reinforcement 3 at pole back is " people " character form structure, while raising integral rigidity, is conducive to lower end leg impulsive force during vacuum interrupter deciliter being distributed to equably pole.
The insulation crust that this thermoplastic is made, by the design of above-mentioned various reinforcement, has stronger mechanical rigid, therefore according to kind and the product size of thermoplastic, and can by its THICKNESS CONTROL at 2.5mm to 8mm.Preferably, this insulation crust can adopt PBT, or PA adds certain glass fibre and makes, and its integral thickness can control to 3-4mm.By contrast, decrease the use amount of material, reduce cost, decrease the impact on environment.
Although specifically show in conjunction with preferred embodiment and describe the utility model; but those skilled in the art should be understood that; not departing from the spirit and scope of the present utility model that appended claims limits; in the form and details to the various changes that the utility model is made, be protection range of the present utility model.
Claims (7)
1. a pole insulation crust for injection mo(u)lding, this insulation crust is provided with outlet terminal and lower wire end; It is characterized in that: the outer surface of insulation crust is also provided with: interpolar reinforcement, between upper outlet terminal and lower wire end; Pole is reinforcement over the ground, between bottom lower wire end and insulation crust; Back reinforcement, is positioned at the back side relative with upper and lower outlet terminal; Bottom annular recess, is positioned at bottom surface bottom insulation crust.
2. the pole insulation crust of injection mo(u)lding as claimed in claim 1, is characterized in that: described interpolar reinforcement is rail shape structure, connects upper and lower outlet terminal, and is provided with some horizontal stripes between rail shape structure.
3. the pole insulation crust of injection mo(u)lding as claimed in claim 1, is characterized in that: described pole over the ground reinforcement is the undulating profile structure in " M " shape tendency even transition matched with lower wire end and insulation crust profile.
4. the pole insulation crust of injection mo(u)lding as claimed in claim 1, is characterized in that: described back reinforcement is " people " character form structure.
5. the pole insulation crust of injection mo(u)lding as described in any one of claim 1-4, is characterized in that: described insulation crust to be poured into an integrated entity structure by thermoplastic.
6. the pole insulation crust of injection mo(u)lding as claimed in claim 5, is characterized in that: described insulation crust thickness is between 2.5-8mm.
7. the pole insulation crust of injection mo(u)lding as claimed in claim 5, is characterized in that: described thermoplastic is PBT, or PA adds glass fibre, and described insulation crust thickness is between 3-4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520562569.7U CN204857571U (en) | 2015-07-30 | 2015-07-30 | Injection moulding's solid utmost point post insulating casing that seals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520562569.7U CN204857571U (en) | 2015-07-30 | 2015-07-30 | Injection moulding's solid utmost point post insulating casing that seals |
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| Publication Number | Publication Date |
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| CN204857571U true CN204857571U (en) | 2015-12-09 |
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| CN201520562569.7U Active CN204857571U (en) | 2015-07-30 | 2015-07-30 | Injection moulding's solid utmost point post insulating casing that seals |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105514855A (en) * | 2015-12-31 | 2016-04-20 | 北京合锐赛尔电力科技股份有限公司 | Air insulation ring main unit |
| CN106253123A (en) * | 2016-08-19 | 2016-12-21 | 河南森源电气股份有限公司 | A kind of gas-filling cabinet |
-
2015
- 2015-07-30 CN CN201520562569.7U patent/CN204857571U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105514855A (en) * | 2015-12-31 | 2016-04-20 | 北京合锐赛尔电力科技股份有限公司 | Air insulation ring main unit |
| CN106253123A (en) * | 2016-08-19 | 2016-12-21 | 河南森源电气股份有限公司 | A kind of gas-filling cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201119 Address after: No.4a-5, No.810 Fangshan South Road, torch high tech Zone (Xiang'an) Industrial Zone, Xiamen City, Fujian Province Patentee after: Macaudi (Xiamen) Intelligent Electric Co.,Ltd. Address before: 361102 Fujian Province, Xiamen city Xiangan District torch hi tech Zone (Xiangan) Industrial Zone Fang Mountain Road No. 808 Patentee before: MOTIC (XIAMEN) ELECTRIC GROUP Co.,Ltd. |