CN207097628U - A kind of connection terminal structure of bushing shell for transformer - Google Patents
A kind of connection terminal structure of bushing shell for transformer Download PDFInfo
- Publication number
- CN207097628U CN207097628U CN201720751835.XU CN201720751835U CN207097628U CN 207097628 U CN207097628 U CN 207097628U CN 201720751835 U CN201720751835 U CN 201720751835U CN 207097628 U CN207097628 U CN 207097628U
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- CN
- China
- Prior art keywords
- fluting
- conducting rod
- cylinder
- middleware
- transformer
- 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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- Housings And Mounting Of Transformers (AREA)
- Insulators (AREA)
Abstract
A kind of connection terminal structure of bushing shell for transformer, the connection terminal structure is connected with the conducting rod in bushing shell for transformer, include middleware, fixing nut and the anti-oxidation pad of terminal plate, connection conducting rod and terminal plate, the first fluting and the second fluting are respectively equipped with middleware, and the first internal thread and the second internal thread are respectively equipped with the inwall of the first fluting and the second fluting；The outer wall of one end that conducting rod is connected with middleware is provided with the first external screw thread, and the 3rd internal thread is additionally provided with the inwall of one end that conducting rod is connected with middleware；Terminal plate is provided with metal column, including the first cylinder and the second cylinder, and the outer wall of the first cylinder is provided with the second external screw thread, and the outer wall of the second cylinder is provided with the 3rd external screw thread；Between middleware and terminal plate that fixing nut and anti-oxidation pad are located at, anti-oxidation pad include it is interior set reeded resin enclosure and the pad in groove, the utility model can solve the problems, such as that bobbin seal is bad, inconvenient installation.
Description
Technical field
Transformer equipment field is the utility model is related to, relates generally to a kind of connection terminal structure of bushing shell for transformer.
Background technology
Bushing shell for transformer is the important component in transformer, is drawn inside transformer high and low pressure lead by outlet casing tube
To outside oil tank of transformer, because outlet casing tube is not only responsible for the effect of anchor leg, the effect of insulation is should also have, therefore
Transformer sleeve pipe must possess enough dielectric strength and mechanical strength.
For distribution transformer, going deep into load center, to often lead to its running environment more complicated, typically will be
Run in the environment of heavy pollution, high humility, this is respectively provided with very high requirement, sleeve pipe for there are the inside and outside insulating properties of sleeve pipe
Normal produced problem has in use：First, transformer is run in inclement weather for a long time, if outlet casing tube and conducting rod
Junction sealing it is untreated perfect, it is impossible to prevent the erosion of moisture in air completely, its internal insulating properties, set can be influenceed
After the dirty absorption moisture of pipe surface, insulaion resistance can be reduced, flashover easily occurs, cause to trip；2nd, the sealing gasket outside sleeve pipe
During long-term use, it may occur that the phenomenon of seal failure, cause bobbin seal bad, debris, greasy dirt etc. can also entered
In sleeve pipe, conducting rod is polluted, not only influences the normal use of sleeve pipe, it is also possible to cause accident.
Utility model content
In order to solve the above technical problems, provided by the utility model is a kind of connection terminal structure of bushing shell for transformer, lead to
Cross and the excellent intermediate connector of sealing effectiveness be set on sleeve pipe, can quickly and easily with by the conduction in binding post and sleeve pipe
Bar connects.
Technical scheme is used by the utility model：A kind of connection terminal structure of bushing shell for transformer, the binding post
Structure is connected with the conducting rod in bushing shell for transformer, including terminal plate, the centre for connecting the conducting rod and the terminal plate
Part, fixing nut and anti-oxidation pad, the first fluting opened up from top is respectively equipped with the middleware and is opened up from bottom
Second fluting, and it is described first fluting and described second fluting inwall on be respectively equipped with spiral shell in the first internal thread and second
Line；The outer wall of one end that the conducting rod is connected with the middleware is provided with outside first isometric with the described second fluting groove depth
Screw thread, the isometric with the described first fluting groove depth is additionally provided with the inwall of one end that the conducting rod is connected with the middleware
Three internal threads；Described terminal plate is provided with the metal column being connected with the middleware and the conducting rod, the metal column bag
Include the first cylinder and the second cylinder, the outer wall of first cylinder be provided with the described first fluting inwall described first in
The second external screw thread that screw thread matches, the outer wall of second cylinder be provided with the on the conducting rod inwall the described 3rd in
The 3rd external screw thread that screw thread matches；
Described fixing nut and the anti-oxidation pad are located between described middleware and described terminal plate, described
Anti-oxidation pad include interior setting reeded resin enclosure and the pad in the groove.
Preferably, first fluting does not connect with the described second fluting.
Preferably, the diameter of second cylinder is identical with the internal diameter of the conducting rod and straight less than first cylinder
Footpath.
The beneficial effects of the utility model are：
Provided by the utility model is a kind of connection terminal structure of bushing shell for transformer, by setting sealing effect on sleeve pipe
The excellent intermediate connector of fruit, can solve the problems, such as that bobbin seal is bad, inconvenient installation.
（1）The binding post being connected with conducting rod：Be provided with the second internal thread on the inwall of the second fluting, conducting rod outside
Wall is provided with the first external screw thread, and during installation, conducting rod is fixed in the first fluting by first rotary conductive bar；First post of metal column
The second external screw thread is provided with vitro, the first screw-internal thread fit with the first fluting inwall, the second cylinder outer wall is provided with and the second outer spiral shell
The 3rd isometric external screw thread of line, the 3rd screw-internal thread fit with conducting rod inwall, when mounted, rotate metal column, so that it may by the
One cylinder and the second cylinder are respectively installed in the first fluting and conducting rod, realize the connection of binding post and conducting rod；The dress
It is very convenient with process, and sealing effectiveness is good；
（2）In addition, being additionally provided with fixing nut and anti-oxidation pad between terminal plate and connector, gold can be fixed in
Belong on bar, prevent conducting rod from loosening, rotating in use, influence using effect；Anti-oxidation pad is different from conventional pads,
It is made up of resin enclosure and pad, and groove is provided with resin enclosure, and pad is located in groove, pad can be avoided to expose to the open air in sky
In gas, soda acid corrodes in by sunlight, rainwater for a long time and aging loses sealing effectiveness, so that debris, greasy dirt etc. enter set
In pipe, conducting rod is polluted, influences the normal use of sleeve pipe, or even causes accident.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, forms the part of the application,
Do not form to improper restriction of the present utility model.
Fig. 1 is the structural representation of binding post；
Fig. 2 is the structural representation of anti-oxidation pad；
Reference：1st, conducting rod, the 101, first external screw thread, the 102, the 3rd internal thread, 2, binding post, 3, terminal plate,
4th, middleware, 5, fixing nut, 6, anti-oxidation pad, 601, resin enclosure, 602, pad, 603, groove, 7, metal column, 701,
First cylinder, the 702, second cylinder, the 703, second external screw thread, the 704, the 3rd external screw thread, 8, first slots, spiral shell in 801, first
Line, the 9, second fluting, the 901, second internal thread.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Technical scheme is clearly and completely described for the accompanying drawing of type, embodiment.This practicality is described in detail with reference to specific embodiment
New scheme：
As embodiment of the present utility model, as illustrated, a kind of connection terminal structure of bushing shell for transformer, the terminals
Minor structure 2 is connected with the conducting rod 1 in bushing shell for transformer, including terminal plate 3, the connection conducting rod 1 and the terminal plate 3
Middleware 4, fixing nut 5 and anti-oxidation pad 6, the first 8 Hes of fluting opened up from top are respectively equipped with the middleware 4
The second fluting 9 opened up from bottom, and it is respectively equipped with spiral shell in first on the inwall of first fluting 8 and second fluting 9
The internal thread 901 of line 801 and second；The outer wall of one end that the conducting rod 1 is connected with the middleware 4 is provided with and described second
The first isometric external screw thread 101 of 9 groove depths of slotting, it is additionally provided with the inwall of one end that the conducting rod 1 is connected with the middleware 4
The 3rd isometric internal thread 102 with the described first 8 groove depths of fluting；Described terminal plate 3 is provided with and the middleware 4 and described
The metal column 7 that conducting rod 1 connects, the metal column 7 include the first cylinder 701 and the second cylinder 702, first cylinder 701
Outer wall be provided with the second external screw thread 703 to match with the first internal thread 801 described on the described first 8 inwalls of fluting, institute
The outer wall for stating the second cylinder 702 is provided with outside the 3rd to match with the 3rd internal thread 102 described on the inwall of conducting rod 1
Screw thread 704；
Described fixing nut 5 and the anti-oxidation pad 6 are located between described middleware 4 and described terminal plate 3,
Described anti-oxidation pad 6 includes the interior resin enclosure 601 provided with groove 603 and the pad 602 in the groove 603.
Preferably, first fluting 8 does not connect with the described second fluting 9.
Preferably, the diameter of second cylinder 702 is identical with the internal diameter of the conducting rod 1 and is less than first cylinder
701 diameter.
General bushing shell for transformer includes two binding posts, and one is connected with conducting rod top, one with the end of conducting rod
End connection, illustrate the installation method of binding post and conducting rod below：
First conducting rod 1 is put into the second fluting 9, rotary conductive bar 1, makes the first external screw thread 101 on the outer wall of conducting rod 1
It is engaged with the second internal thread 901 on the second 9 inwalls of fluting, conducting rod 1 is fixed in the second fluting 9；Again will fixed spiral shell
Mother 5 and anti-oxidation pad 6 are enclosed on the first cylinder 701 of metal column 7, and metal column 7 are put into the groove of middleware 4, make the
The second external screw thread 703 on the outer wall of one cylinder 701 is engaged with the first internal thread 801 on the first 8 inwalls of fluting, the second cylinder
The 3rd external screw thread 704 on 702 outer walls is engaged with the 3rd internal thread 102 on the inwall of conducting rod 1, due to the second external screw thread
703rd, the first internal thread 801, the 3rd external screw thread 704, the equal length of the 3rd internal thread 102, metal column 7 is rotated, you can simultaneously will
First cylinder 701 is fixed with the fixation of the first fluting 8, the second cylinder 702 with conducting rod 1；Fixing nut 5 is finally tightened, compresses and prevents
Aoxidize pad 6, you can connection terminal structure 2 and conducting rod 1 are sealedly connected.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply principle of the present utility model, the utility model also has respectively on the premise of the spirit and scope of the utility model is not departed from
Kind changes and improvements, these changes and improvements are both fallen within claimed the scope of the utility model.The requires of the utility model
Protection domain defined by appended claims and its equivalent.
Claims (3)
1. a kind of connection terminal structure of bushing shell for transformer, the connection terminal structure（2）With the conducting rod in bushing shell for transformer（1）
It is connected, it is characterised in that including terminal plate（3）, the connection conducting rod（1）With the terminal plate（3）Middleware（4）、
Fixing nut（5）With anti-oxidation pad（6）, the middleware（4）Inside it is respectively equipped with the first fluting opened up from top（8）With from
The second fluting that bottom opens up（9）, and first fluting（8）With the described second fluting（9）Inwall on be respectively equipped with first
Internal thread（801）With the second internal thread（901）；The conducting rod（1）With the middleware（4）Set on the outer wall of connected one end
Have and the described second fluting（9）The first isometric external screw thread of groove depth（101）, the conducting rod（1）With the middleware（4）It is connected
One end inwall on be additionally provided with and described first fluting（8）The 3rd isometric internal thread of groove depth（102）；Described terminal plate
（3）It is provided with and the middleware（4）With the conducting rod（1）The metal column of connection（7）, the metal column（7）Including first
Cylinder（701）With the second cylinder（702）, first cylinder（701）Outer wall be provided with and described first fluting（8）On inwall
The first described internal thread（801）The second external screw thread to match（703）, second cylinder（702）Outer wall be provided with
The conducting rod（1）The 3rd described internal thread on inwall（102）The 3rd external screw thread to match（704）；
Described fixing nut（5）With the anti-oxidation pad（6）It is located at described middleware（4）With described terminal plate（3）
Between, described anti-oxidation pad（6）Groove is provided with including interior（603）Resin enclosure（601）With positioned at the groove（603）
Interior pad（602）.
A kind of 2. connection terminal structure of bushing shell for transformer according to claim 1, it is characterised in that first fluting
（8）With the described second fluting（9）Do not connect.
A kind of 3. connection terminal structure of bushing shell for transformer according to claim 1, it is characterised in that second cylinder
（702）Diameter and the conducting rod（1）Internal diameter it is identical and be less than first cylinder（701）Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720751835.XU CN207097628U (en) | 2017-06-27 | 2017-06-27 | A kind of connection terminal structure of bushing shell for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720751835.XU CN207097628U (en) | 2017-06-27 | 2017-06-27 | A kind of connection terminal structure of bushing shell for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207097628U true CN207097628U (en) | 2018-03-13 |
Family
ID=61553804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720751835.XU Expired - Fee Related CN207097628U (en) | 2017-06-27 | 2017-06-27 | A kind of connection terminal structure of bushing shell for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207097628U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109390122A (en) * | 2018-11-30 | 2019-02-26 | 张志琪 | A kind of substation is dust-proof to remove oxidation current mutual inductor |
-
2017
- 2017-06-27 CN CN201720751835.XU patent/CN207097628U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109390122A (en) * | 2018-11-30 | 2019-02-26 | 张志琪 | A kind of substation is dust-proof to remove oxidation current mutual inductor |
| CN109390122B (en) * | 2018-11-30 | 2019-12-17 | 青县择明朗熙电子器件有限公司 | Dustproof deoxidization current transformer of transformer substation |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 Termination date: 20180627 |