CN203910493U - Insulating sleeve for transformer - Google Patents
Insulating sleeve for transformer Download PDFInfo
- Publication number
- CN203910493U CN203910493U CN201420321538.8U CN201420321538U CN203910493U CN 203910493 U CN203910493 U CN 203910493U CN 201420321538 U CN201420321538 U CN 201420321538U CN 203910493 U CN203910493 U CN 203910493U
- Authority
- CN
- China
- Prior art keywords
- transformer
- ceramic part
- porcelain piece
- lower ceramic
- bushing
- 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
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Abstract
The utility model discloses an insulating sleeve for a transformer. The insulating sleeve is fixed to the transformer and comprises a base, a ceramic part and conducting rods. The base is arranged at one end, close to the transformer, of the ceramic part, the ceramic part is fixed to the transformer through the base, the ceramic part is formed by stacking a plurality of circular ceramic sheets in the axial direction, the ceramic part comprises an upper ceramic part body and a lower ceramic part body, one end of the lower ceramic part is connected with the base, the other end of the lower ceramic part is connected with the upper ceramic part body, connection wire holes are formed in the connecting position of the upper ceramic part body and the lower ceramic part body, and the conducting rods are arranged in the connection wire holes. The insulating sleeve for the transformer can protect a lead connector from corrosion of the external environment.
Description
Technical field
The utility model relates to a kind of transformer, and more particularly, it relates to a kind of wiring construction of transformer.
Background technology
Transformer is to utilize the principle of electromagnetic induction to change the device of alternating voltage, and main member is primary coil, secondary coil and iron core (magnetic core).Major function has: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilizing (magnetic saturation transformer) etc.Can be divided into by purposes: distribution transformer, power transformer, full-sealed transformer, combined transformer, dry-type transformer, oil-filled transformer, single-phase transformer, furnace transformer, rectifier transformer etc.
Bushing shell for transformer is the main seal outside transformer tank, and the lead-out wire of Transformer Winding must pass insulating sleeve, make between lead-out wire and lead-out wire and transformer case between insulate, play fixing lead-out wire simultaneously.
At present, (Chinese patent that application number is CN201310663280.X discloses a kind of bushing for transformer) bushing shell for transformer on market, comprise porcelain piece, pigtail splice and conducting rod, bottom at conducting rod is provided with attachment cap, pigtail splice is fixed on attachment cap by screw thread, and attachment cap is beveled structure, and the outer groove of rolling is arranged in the lower end of beveled structure, groove is provided with perforate, and perforate is connected with drainage trough; Adopt the bushing for transformer of technical solution of the present invention, can prevent ponding, prevent transformer water inlet.
Although this bushing for transformer can play certain waterproof effect, its pigtail splice is located on attachment cap, is directly exposed to and in air, is very easily subject to impurity corrosion, and then cause pigtail splice to occur that spark causes the accidents such as fire.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of bushing for transformer protecting pigtail splice.
For achieving the above object, the utility model provides following technical scheme: a kind of bushing for transformer, be fixed on transformer, comprise base, porcelain piece and conducting rod, described base is arranged on porcelain piece and is fixed on transformer by base near one end and the described porcelain piece of transformer, in described porcelain piece, be provided with vertically multiple discoidal ceramics, wherein, described porcelain piece comprises porcelain piece and lower ceramic part, one end of described lower ceramic part is connected with base and the other end and upper porcelain piece are threaded connection, the junction of described upper porcelain piece and lower ceramic part offers wiring hole and conducting rod is arranged in described wiring hole.
By adopting technique scheme, be threaded connection by upper porcelain piece and lower ceramic part the space that forms relative closure and place conducting rod, thereby described conducting rod can not being directly exposed in air, avoid it to be subject to air, moisture corrosion causes conducting metal to get rusty sticking causing spark, pluck while unloading and only need just can reach fixing, locking cable by porcelain piece on twisting in installation, easy and simple to handle.
The utility model is further set to: the external diameter of described upper porcelain piece is greater than the external diameter of described lower ceramic part.
By adopting technique scheme, described upper porcelain piece can play the effect of sun-shading rain-proof, prevents the junction of upper porcelain piece and lower ceramic part described in sunlight, rainwater direct projection, prevents that screw thread from getting rusty, lead-out wire corrodes.
The utility model is further set to: described upper porcelain piece is provided with guard shield near one end of lower ceramic part.
By adopting technique scheme, described umbrella shape guard shield plays further protective effect to conducting rod.
The utility model is further set to: described guard shield is the opening of guard shield of umbrella shape setting and described umbrella shape towards lower ceramic part.
By adopting technique scheme, umbrella shape guard shield can play the effect that guiding rainwater flows to, and makes rainwater to the outside diffusion of conducting rod, ensures that the connecting portion of described porcelain piece and conducting rod are not subject to rain erosion.
The utility model is further set to: the junction of described upper porcelain piece and lower ceramic part is provided with sealing ring.
By adopting technique scheme, described sealing ring improves the sealing property that described upper porcelain piece is connected with lower ceramic part, ensures that described porcelain piece is inner dry, strengthens the insulation property of porcelain piece and transformer-cabinet.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model bushing for transformer embodiment;
Fig. 2 is upper porcelain piece and lower ceramic part junction schematic diagram in the utility model bushing for transformer embodiment.
Reference numeral: 1. base; 2. porcelain piece; Porcelain piece on 21.; 22. lower ceramic part 3. ceramics; 4. wiring hole; 5. conducting rod; 6. threaded components; 7. guard shield; 8. sealing ring.
Embodiment
Referring to figs. 1 through Fig. 2, the utility model bushing for transformer embodiment is described further.
A kind of bushing for transformer, be fixed on transformer, comprise base 1, porcelain piece and conducting rod 5, described base 1 is set to adpting flange 1 conventionally, described base 1 is arranged on porcelain piece 2 and is fixed on transformer by base 1 near one end and the described porcelain piece 2 of transformer, in described porcelain piece 2, be provided with vertically multiple discoidal ceramics 3, wherein, described porcelain piece 2 comprises porcelain piece 21 and lower ceramic part 22, one end of described lower ceramic part 22 is connected with base 1 and the other end and upper porcelain piece 21 are threaded connection, described be threaded can porcelain piece 21 be connected with lower ceramic part 22 on described two ends embed respectively threaded components 6, described upper porcelain piece 21 is connected by described threaded components 6 with lower ceramic part 22, described upper porcelain piece 21 offers wiring hole 4 with the junction of lower ceramic part 22 and conducting rod 5 is arranged in described wiring hole 4, described wiring hole 4 diameters are should be with the diameter of external cable suitable or be slightly smaller than the diameter of external cable, described upper porcelain piece 21 upper porcelain slice 3 external diameters are greater than the external diameter of described lower ceramic part 22 upper porcelain slices 3, described upper porcelain piece 21 is provided with and is the guard shield 7 of umbrella shape and the opening of described guard shield 7 towards lower ceramic part 22 near one end of lower ceramic part 22, described upper porcelain piece 21 is provided with sealing ring 8 with the junction of lower ceramic part 22, described sealing ring 8 is preferably arranged on around threaded components 6, the sealing property going out in order to improve threaded components 6.
Be threaded connection by upper porcelain piece 21 and lower ceramic part 22 space that forms relative closure and place conducting rod 5, make described conducting rod 5 can not be directly exposed in air and avoid it to be subject to air, thereby moisture corrosion causes conducting metal to get rusty to be sticked and causes spark, pluck while unloading and only need just can reach fixing by porcelain piece on twisting 21 in installation, locking cable, easy and simple to handle, described upper porcelain piece 21 can play the effect of sun-shading rain-proof, prevent sunlight, the junction of upper porcelain piece 21 and lower ceramic part 22 described in rainwater direct projection, prevent that screw thread from getting rusty, lead-out wire corrosion, described umbrella shape guard shield 7 is to 5 further protective effects of conducting rod, umbrella shape guard shield 7 can play the effect that guiding rainwater flows to, make rainwater to the outside diffusion of conducting rod 5, the connecting portion and the conducting rod 5 that ensure described porcelain piece are not subject to rain erosion, described sealing ring 8 improves the sealing property that described upper porcelain piece 21 is connected with lower ceramic part 22, ensure that described porcelain piece is inner dry, strengthen the insulation property of porcelain piece and transformer-cabinet.
The above is only preferred implementation of the present utility model, and protection range of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1. a bushing for transformer, be fixed on transformer, comprise base, porcelain piece and conducting rod, described base is arranged on porcelain piece and is fixed on transformer by base near one end and the described porcelain piece of transformer, in described porcelain piece, be provided with vertically multiple discoidal ceramics, it is characterized in that: described porcelain piece comprises porcelain piece and lower ceramic part, one end of described lower ceramic part is connected with base and the other end and upper porcelain piece are threaded connection, and the junction of described upper porcelain piece and lower ceramic part offers wiring hole and conducting rod is arranged in described wiring hole.
2. bushing for transformer according to claim 1, is characterized in that: the external diameter of described upper porcelain piece is greater than the external diameter of described lower ceramic part.
3. bushing for transformer according to claim 1 and 2, is characterized in that: described upper porcelain piece is provided with guard shield near one end of lower ceramic part.
4. bushing for transformer according to claim 3, is characterized in that: described guard shield is the opening of guard shield of umbrella shape setting and described umbrella shape towards lower ceramic part.
5. bushing for transformer according to claim 4, is characterized in that: the junction of described upper porcelain piece and lower ceramic part is provided with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420321538.8U CN203910493U (en) | 2014-06-17 | 2014-06-17 | Insulating sleeve for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420321538.8U CN203910493U (en) | 2014-06-17 | 2014-06-17 | Insulating sleeve for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203910493U true CN203910493U (en) | 2014-10-29 |
Family
ID=51784750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420321538.8U Expired - Fee Related CN203910493U (en) | 2014-06-17 | 2014-06-17 | Insulating sleeve for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203910493U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107464675A (en) * | 2017-09-26 | 2017-12-12 | 绵阳鑫阳知识产权运营有限公司 | A kind of enhanced type transformer lead sleeve pipe |
| CN108806951A (en) * | 2018-07-18 | 2018-11-13 | 湖州新得意特种电磁线有限公司 | Transformer insulated device |
-
2014
- 2014-06-17 CN CN201420321538.8U patent/CN203910493U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107464675A (en) * | 2017-09-26 | 2017-12-12 | 绵阳鑫阳知识产权运营有限公司 | A kind of enhanced type transformer lead sleeve pipe |
| CN108806951A (en) * | 2018-07-18 | 2018-11-13 | 湖州新得意特种电磁线有限公司 | Transformer insulated device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20150617 |
|
| EXPY | Termination of patent right or utility model |