CN208690056U - A kind of improvement molded cannula - Google Patents
A kind of improvement molded cannula Download PDFInfo
- Publication number
- CN208690056U CN208690056U CN201821569188.1U CN201821569188U CN208690056U CN 208690056 U CN208690056 U CN 208690056U CN 201821569188 U CN201821569188 U CN 201821569188U CN 208690056 U CN208690056 U CN 208690056U
- Authority
- CN
- China
- Prior art keywords
- insulator
- cover
- gland
- end terminal
- clamping piece
- 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 a kind of improvement molded cannulas comprising conducting rod, fastening nut, gland, cover of deflating, insulator, connecting flange component and oily end terminal.Conducting rod is successively arranged fastening nut, gland, cover of deflating, insulator and oily end terminal from top to bottom.Cover of deflating is used with insulator to be threadedly coupled, and cover of deflating is equipped with gasket seal one with insulator contact position.It is equipped with glue bead between gland and cover of deflating, gland forces in glue bead under the action of fastening nut.Oily end terminal is threadedly connected to insulator bottom end, and is fixed with gasket seal two on oily end terminal connecting pin, and connecting flange component is threadedly connected on insulator.By the way that gasket seal is arranged between each connecting component, and each connecting component is made by the way of being threadedly coupled, to improve the sealing performance of casing as far as possible.
Description
Technical field
The utility model belongs to the external primary insulation component technical field of improvement of transformer-cabinet, and in particular to a kind of improvement
Molded cannula.
Background technique
Bushing shell for transformer is the primary insulation device outside transformer tank, and the lead-out wire of transformer winding has to pass through insulation sleeve
Pipe, makes to insulate between lead-out wire and between lead-out wire and transformer case, while playing fixed lead-out wire.Because of voltage class
Difference, insulating sleeve have the forms such as pure porcelain casing tube, oil filled bushing and capacitance graded bushing.
Bushing shell for transformer need as defined in electrical strength and enough mechanical strengths, and must have good thermal stability and
High leakproofness.But existing insulator pipe connecting structure is complex, installation is more not easy, and can not adjust the installation position of casing
It sets.And existing porcelain bushing shell due to installing component it is more, cause the leakproofness of casing inadequate.
Utility model content
The utility model proposes a kind of improvement molded cannulas, by the way that gasket seal is arranged between each connecting component, and
So that each connecting component improves the sealing performance of casing as far as possible by the way of being threadedly coupled.
The technical solution of the utility model is achieved in that
A kind of improvement molded cannula comprising conducting rod, fastening nut, gland, deflate cover, insulator, connecting flange component and
Oily end terminal, the conducting rod is successively arranged fastening nut, gland, cover of deflating, insulator and oily end terminal from top to bottom, described to put
Gas hood is used with insulator and is threadedly coupled, and cover of deflating is equipped with gasket seal one, the gland and cover of deflating with insulator contact position
Between be equipped with glue bead, the gland forces in the glue bead under the action of fastening nut, and the oil end terminal is threadedly coupled
It is fixed with gasket seal two in the insulator bottom end, and on oily end terminal connecting pin, the connecting flange component is threadedly connected to
On the insulator.
In the improvement molded cannula of the utility model, deflation cover side is equipped with air vent, is equipped in the air vent interior
Screw thread, the air vent is interior to be equipped with bolt, and the bolt and air vent junction are equipped with gasket seal three, the air vent outer rim
The nut cap being threadedly coupled equipped with one.
In the improvement molded cannula of the utility model, the connecting flange component includes flange nut, upper clip, lower folder
Piece, several connection bolts and mounting rod, the flange nut are threadedly connected on the insulator, and the upper clip, lower clamping piece are set
The two sides of the flange nut are placed in, the upper clip, lower clamping piece are fixedly connected by the connection bolt, and the lower clamping piece is big
In the upper clip, the lower clamping piece is equipped with mounting rod.
In the improvement molded cannula of the utility model, deflation cover lower end surface is equipped with groove, and the groove side is equipped with
Internal screw thread.
In the improvement molded cannula of the utility model, the oil end terminal includes terminal plate and sleeve, the sleeve
Outer rim is equipped with external screw thread, is plugged on the insulator bottom end, several wiring holes are evenly distributed on the terminal plate.
Implement the utility model this improvement molded cannula, have the advantages that by each connecting component it
Between gasket seal is set, and make each connecting component as far as possible using be threadedly coupled by the way of, reduce the peace of each component of casing
Difficulty is filled, the sealing performance of casing is improved；By the way that connecting flange component is arranged, it is threadedly connected on insulator, downward can be gone up
The position for saving flange nut, thus the installation site of adjusting sleeve pipe；By the way that nut cap is arranged, double-layer seal knot is formed with bolt
Structure further increases the sealing performance of casing.
Detailed description of the invention
Fig. 1 is the schematic diagram of the improvement molded cannula of the utility model；
Fig. 2 is the schematic diagram of oily end terminal in Fig. 1；
Fig. 3 is the schematic diagram of part A in Fig. 1；
Fig. 4 is the schematic diagram of part B in Fig. 1；
Fig. 5 is the schematic diagram of C portion in Fig. 1.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
This improvement molded cannula of the utility model as shown in Fig. 1 to 5 comprising conducting rod 1, fastening nut 2, gland
3, it deflates and covers 4, insulator 5, connecting flange component 6 and oily end terminal 7.The conducting rod 1 is successively arranged fastening nut from top to bottom
2, gland 3, cover 4 of deflating, insulator 5 and oily end terminal 7.The deflation cover 4 with insulator 5 using being threadedly coupled, cover under 4 by the deflation
End face is equipped with groove 44, and 44 side of groove is equipped with internal screw thread, and insulator 5 is plugged in groove 44, and is tightened.And cover 4 of deflating
It is equipped with gasket seal 1 with 5 contact position of insulator, which improves the connection sealing of deflate cover 4 and insulator 5.
It is equipped with glue bead 12 between the gland 3 and cover 4 of deflating, the gland 3 forces in the glue under the action of fastening nut 2
Pearl 12, the leakproofness that glue bead 12 improves gland 3 between cover 4 of deflating.The oil end terminal 7 is threadedly connected to the insulator 5
Bottom end, and it is fixed with gasket seal 2 13 on 7 connecting pin of oily end terminal, it is connected through a screw thread, improves the convenience of installation, and
Gasket seal 2 13 improves the sealing performance between oily end terminal 7 and insulator 5.The connecting flange component 6 is threadedly connected to
On the insulator 5.
Wherein, the deflation covers 4 sides equipped with air vent 41, and the air vent 41 is interior to be equipped with internal screw thread, the air vent 41
Interior to be equipped with bolt 42, the bolt 42 is equipped with gasket seal 3 14 with 41 junction of air vent, and 41 outer rim of air vent is equipped with
One nut cap 43 being threadedly coupled.By the way that nut cap 43 is arranged, double-layer sealing structure is formed with bolt 42, further increases casing
Sealing performance.
The connecting flange component 6 includes flange nut 61, upper clip 62, lower clamping piece 63, several connection bolts 64 and peace
Bar 65 is filled, the flange nut 61 is threadedly connected on the insulator 5, and the upper clip 62, lower clamping piece 63 are set to the method
The two sides of blue nut 61, the upper clip 62, lower clamping piece 63 are fixedly connected by the connection bolt 64, and the lower clamping piece 63 is big
In the upper clip 62, the lower clamping piece 63 is equipped with mounting rod 65.By the way that connecting flange component 6 is arranged, it is threadedly connected to porcelain
It, can be with the position of up and down adjustment flange nut 61, thus the installation site of adjusting sleeve pipe on set 5.
The oil end terminal 7 includes terminal plate 71 and sleeve 72, and 72 outer rim of sleeve is equipped with external screw thread, grafting
In on 5 bottom end of insulator, several wiring holes 73 are evenly distributed on the terminal plate 71.Oily end terminal 7 is threadedly connected to porcelain
It covers on 5 bottom ends, improves existing 72 locking mechanism of sleeve, improve the convenience of installation.So far, the present utility model
Purpose is accomplished.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of improvement molded cannula, which is characterized in that including conducting rod, fastening nut, gland, deflate cover, insulator, connecting flange
Component and oily end terminal, the conducting rod are successively arranged fastening nut, gland, cover of deflating, insulator and oily end terminal from top to bottom,
Deflation cover and insulator are using being threadedly coupled, and deflate cover and insulator contact position be equipped with gasket seal one, the gland with put
Glue bead is equipped between gas hood, the gland forces in the glue bead, the oil end terminal spiral shell under the action of fastening nut
Line is connected to the insulator bottom end, and is fixed with gasket seal two, the connecting flange component screw thread on oily end terminal connecting pin
It is connected on the insulator.
2. improvement molded cannula according to claim 1, which is characterized in that deflation cover side is equipped with air vent, this is put
It is equipped with internal screw thread in stomata, bolt is equipped in the air vent, the bolt and air vent junction are equipped with gasket seal three, institute
It states air vent outer rim and is equipped with a nut cap being threadedly coupled.
3. improvement molded cannula according to claim 1, which is characterized in that the connecting flange component include flange nut,
Upper clip, lower clamping piece, several connection bolts and mounting rod, the flange nut are threadedly connected on the insulator, the upper folder
Piece, lower clamping piece are set to the two sides of the flange nut, and the upper clip, lower clamping piece are fixedly connected by the connection bolt,
The lower clamping piece is greater than the upper clip, and the lower clamping piece is equipped with mounting rod.
4. improvement molded cannula according to claim 1, which is characterized in that deflation cover lower end surface is equipped with groove, described
Groove side is equipped with internal screw thread.
5. improvement molded cannula according to claim 1, which is characterized in that the oil end terminal includes terminal plate and wiring
Set, the sleeve outer rim are equipped with external screw thread, are plugged on the insulator bottom end, are evenly distributed on the terminal plate several
Wiring hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821569188.1U CN208690056U (en) | 2018-09-26 | 2018-09-26 | A kind of improvement molded cannula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821569188.1U CN208690056U (en) | 2018-09-26 | 2018-09-26 | A kind of improvement molded cannula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208690056U true CN208690056U (en) | 2019-04-02 |
Family
ID=65889778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821569188.1U Expired - Fee Related CN208690056U (en) | 2018-09-26 | 2018-09-26 | A kind of improvement molded cannula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208690056U (en) |
-
2018
- 2018-09-26 CN CN201821569188.1U patent/CN208690056U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190402 Termination date: 20200926 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |