CN208126966U - A kind of residual current transformer structure - Google Patents
A kind of residual current transformer structure Download PDFInfo
- Publication number
- CN208126966U CN208126966U CN201820576544.6U CN201820576544U CN208126966U CN 208126966 U CN208126966 U CN 208126966U CN 201820576544 U CN201820576544 U CN 201820576544U CN 208126966 U CN208126966 U CN 208126966U
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- China
- Prior art keywords
- casing
- bracket
- coil
- junction block
- support portion
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Abstract
A kind of residual current transformer structure, including upper bracket, lower bracket, upper casing, lower casing, junction block and coil, be hinged opening and closing cooperation between upper casing and lower casing, upper bracket is arranged inside upper casing and upper support portion is provided therebetween, pass through upper support portion location fit between upper bracket and upper casing, lower bracket is arranged inside lower casing and lower support portion and junction block cavity is provided therebetween, junction block is arranged on junction block cavity, passes through lower support portion, junction block cavity location fit between lower bracket and lower casing；Coil positioned when upper casing, lower casing are hinged and are closed setting on upper bracket and lower carriage.The utility model by the improvement of above structure, have the characteristics that it is simple and reasonable, have excellent performance, dismount that quick, easy to use, manufacturing cost is low, easy to produce, easy realization and safe and reliable, it is practical.
Description
Technical field
The utility model relates to a kind of residual current transformer structures.
Background technique
The production efficiency of current residual current transformer it is universal it is relatively low under, wherein to place coil, encapsulating encapsulates this
Two processes are especially outstanding.Existing residual current transformer shell is in order to meet the generalization requirement of different size coil, and one
As structure it is relatively simple, coil is not limited effectively, coil is caused to place unstable, coil position inaccurate ask
Topic generates, and production stability is poor.Gap between coil and shell also needs to be sealed with dedicated part, to avoid filling
Leak adhesive when glue.The assembly precision of junction block is low, is difficult to ensure the overall dimensions consistency of residual current transformer finished product.
On the other hand, the mode of additional increased part and internal whole encapsulating will lead to residual current transformer product material
Expect that cost increase, cost of labor increase, seriously affects the manufacturability development of residual current transformer industry.
Therefore, it is necessary to which the mounting structure to residual current transformer is further improved, so as to solve the deficiencies in the prior art.
Utility model content
The purpose of the utility model is to provide it is a kind of it is simple and reasonable, have excellent performance, dismount it is quick, easy to use,
Low, easy to produce, the easy realization of manufacturing cost and safe and reliable residual current transformer structure, to overcome deficiency in the prior art
Place.
By a kind of residual current transformer structure that this purpose designs, including upper bracket, lower bracket, upper casing, lower casing, wiring
Seat and coil, it is characterised in that：Be hinged opening and closing cooperation between upper casing and lower casing, and upper bracket is arranged inside upper casing and two
Support portion is provided between person, by upper support portion location fit between upper bracket and upper casing, lower bracket is arranged in lower casing
Portion and lower support portion and junction block cavity are provided therebetween, junction block is arranged on junction block cavity, lower bracket and lower casing
Between pass through lower support portion, junction block cavity location fit；The coil is positioned when upper casing, lower casing are hinged and are closed and is set
It sets on upper bracket and lower carriage.
The upper support portion is provided with several and is located at the outside of upper bracket, and upper bracket is set by the positioning of upper support portion
It sets inside upper casing；The lower support portion is provided with several and is located at the outside of lower bracket, and junction block cavity is arranged under
The outside of bracket, lower bracket are arranged inside lower casing by the cooperation positioning of lower support portion and junction block cavity.
Coil locating slot, the shape of coil locating slot and the shape of coil are respectively arranged in the upper bracket and lower bracket
It is identical；The coil that upper bracket and lower bracket are arranged in coil horizontal location when upper casing, lower casing are hinged and are closed is fixed
On the slot of position.
Coil positioning bar is additionally provided on the coil locating slot, coil is vertical when upper casing, lower casing are hinged and are closed
On the coil positioning bar of the online circle locating slot of positioning setting.
Junction block positioning bar is provided on the junction block cavity, the horizontal and vertical positioning of junction block is arranged in junction block chamber
On the junction block positioning bar of body.
Upper cover, lower cover are respectively arranged on the upper casing and lower casing；Wherein, upper cover sealing cover is located on upper casing, and is pressed and set
On coil, to eliminate the gap between coil and upper casing, lower cover sealing cover is located on lower bracket, and is pressed on coil, with
Eliminate the gap between coil and lower casing.
Barb on several is provided on the upper lid, upper casing corresponds to barb on several and is provided with the identical upper button of quantity
Hole, upper cover by upper barb be located on the upper button hole of upper casing and the two button set after be fixed to each other by paste；Under described
It covers and is provided with several lower barbs, lower casing corresponds to barb on several and is provided with the identical lower button hole of quantity, under lower cover passes through
Barb be located on the lower button hole of lower casing and the two button set after be fixed to each other by paste.
The utility model is by the improvement of above structure, and user is before assembling coil, it is only necessary to first upper bracket and lower branch
Frame is respectively assembled to upper casing, in lower casing, it is ensured that placing steady, accurate positioning after coil assembly；Wherein, coil and upper casing,
Gap between lower casing is sealed by upper bracket with upper cover, lower bracket and lower cover, is not needed additional part sealing, is reached simultaneously
To the effect being completely fixed, the process that whole encapsulating can be saved；In addition, junction block is arranged by junction block cavity in lower bracket
On, the assembly that can effectively realize junction block is secured, while reaching the good effect of overall dimension consistency；On moreover,
Lid, lower cover are reliably connected with upper casing, lower casing respectively with barb shape, further improve the connectivity robustness of product.With
It compares, is not being needed to the premise that existing universal residual current transformer shell is modified on the market in the prior art
Under, be substantially improved the production efficiency of residual current transformer, reduce operation difficulty, while can also effectively save material cost and
Cost of labor, to improve the qualification rate of residual current transformer finished product.Its with it is simple and reasonable, have excellent performance, dismount
Fast, easy to use, manufacturing cost is low, it is easy to produce, it is easy realization and it is safe and reliable the features such as, it is practical.
Detailed description of the invention
Fig. 1 is upper bracket, lower bracket, upper casing, lower casing, junction block and the coil assembly knot of the utility model first embodiment
Structure schematic diagram.
Fig. 2 is upper bracket, lower bracket, upper casing, the lower casing, coil orthographic projection structural representation of the utility model first embodiment
Figure.
Fig. 3, Fig. 4 are upper bracket, lower bracket, upper casing, lower casing, junction block and the coil dress of the utility model first embodiment
Distribution structure schematic diagram (section view).
Fig. 5 is upper bracket, upper cover, the upper casing, coil assembling structure schematic diagram of the utility model first embodiment.
Fig. 6 is lower bracket, lower cover, lower casing, the junction block, the signal of coil assembling structure of the utility model first embodiment
Figure.
Fig. 7 is bracket, lower bracket, the upper casing, lower casing assembling structure schematic diagram of the utility model first embodiment.
Fig. 8 is the upper cover of the utility model first embodiment, lower cover structure schematic diagram.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments.
Referring to Fig. 1-Fig. 8, this residual current transformer structure, including upper bracket 1, lower bracket 2, upper casing 5, lower casing 6, wiring
Seat 7 and coil 8, be hinged opening and closing cooperation between upper casing 5 and lower casing 6, and the setting of upper bracket 1 is inside upper casing 5 and between the two
It is provided with support portion 9, by upper 9 location fit of support portion between upper bracket 1 and upper casing 5, lower bracket 2 is arranged in lower casing 6
Portion and lower support portion 10 and junction block cavity 11 are provided therebetween, junction block 7 is arranged on junction block cavity 11, lower branch
Pass through lower support portion 10,11 location fit of junction block cavity between frame 2 and lower casing 6；The coil 8 is in upper casing 5,6 phase of lower casing
Mutually positioning is arranged on upper bracket 1 and lower bracket 2 when hinged closure.
Further speaking, upper support portion 9 is provided with several and is located at the outside of upper bracket 1, and upper bracket 1 passes through upper branch
The positioning of support part 9 is arranged inside upper casing 5；The lower support portion 10 is provided with several and is located at the outside of lower bracket 2, connects
The outside of lower bracket 2 is arranged in line seat cavity 11, and lower bracket 2 is set by the cooperation positioning of lower support portion 10 and junction block cavity 11
It sets inside lower casing 6.
Further speaking, coil locating slot 12, the shape of coil locating slot 12 are respectively arranged on upper bracket 1 and lower bracket 2
Shape is identical as the shape of coil 8；The coil 8 is arranged in upper casing 5, lower casing 6 horizontal location that is hinged when being closed in upper branch
On the coil locating slot 12 of frame 1 and lower bracket 2.
Further speaking, coil positioning bar 13 is additionally provided on coil locating slot 12, coil 8 is mutual in upper casing 5, lower casing 6
When hinged closure on the coil positioning bar 13 of the online circle locating slot 12 of perpendicular positioning setting.
Further speaking, junction block positioning bar 14 is provided on junction block cavity 11, the horizontal and vertical positioning of junction block 7 is set
It sets on the junction block positioning bar 14 of junction block cavity 11.
Further speaking, upper cover 3, lower cover 4 are respectively arranged on upper casing 5 and lower casing 6；Wherein, 3 sealing cover of upper cover is located at
On shell 5, and it is pressed on coil 8, to eliminate the gap between coil 8 and upper casing 5,4 sealing cover of lower cover is located on lower bracket 2,
And be pressed on coil 8, to eliminate the gap between coil 8 and lower casing 6.
Further speaking, barb 15 on several are provided in upper cover 3, upper casing 5 corresponds to barb 15 on several and is provided with
The identical upper button hole of quantity, upper cover 3 by upper barb 15 be located on the upper button hole of upper casing 5 and the two button set after pass through stickup
Object is fixed to each other；Several lower barbs 16 are provided on the lower cover 4, lower casing 6 corresponds to barb 15 on several and is provided with number
Measure identical lower button hole, lower cover 4 by lower barb 16 be located on the lower button hole of lower casing 6 and the two button set after pass through paste
It is fixed to each other.
Basic principles, main features, and advantages of the present invention has been shown and described above.Ability
The technical staff in domain should be recognized that the present utility model is not limited to the above embodiments, described in the above embodiment and specification
Only illustrate the principles of the present invention, the utility model also has on the premise of not departing from the spirit and scope of the utility model
Various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The requires of the utility model
Protection scope is defined by appended claims and its equivalent.
Claims (7)
1. a kind of residual current transformer structure, including upper bracket (1), lower bracket (2), upper casing (5), lower casing (6), junction block
(7) and coil (8), it is characterised in that：Be hinged opening and closing cooperation between upper casing (5) and lower casing (6), and upper bracket (1) setting exists
Upper casing (5) is internal and is provided therebetween support portion (9), passes through upper support portion (9) between upper bracket (1) and upper casing (5)
Location fit, lower bracket (2) setting is internal in lower casing (6) and lower support portion (10) and junction block cavity are provided therebetween
(11), junction block (7) be arranged on junction block cavity (11), between lower bracket (2) and lower casing (6) by lower support portion (10),
Junction block cavity (11) location fit；The coil (8) is hinged when being closed to position to be arranged in upper casing (5), lower casing (6) to exist
On upper bracket (1) and lower bracket (2).
2. residual current transformer structure according to claim 1, it is characterised in that：The upper support portion (9) is provided with
And several are positioned at the outside of upper bracket (1), and upper bracket (1) is internal in upper casing (5) by upper support portion (9) positioning setting；Institute
The lower support portion (10) stated is provided with several and is located at the outside of lower bracket (2), and junction block cavity (11) is arranged in lower bracket
(2) outside, lower bracket (2) is by the cooperation positioning setting of lower support portion (10) and junction block cavity (11) in lower casing (6)
Portion.
3. residual current transformer structure according to claim 2, it is characterised in that：The upper bracket (1) and lower bracket
(2) it is respectively arranged on coil locating slot (12), the shape of coil locating slot (12) is identical as the shape of coil (8)；Described
Coil (8) upper casing (5), lower casing (6) be hinged the setting of horizontal location when being closed upper bracket (1) and lower bracket (2) line
It encloses on locating slot (12).
4. residual current transformer structure according to claim 3, it is characterised in that：On the coil locating slot (12) also
It is provided with coil positioning bar (13), coil (8) is arranged in upper casing (5), lower casing (6) perpendicular positioning that is hinged when being closed in coil
On the coil positioning bar (13) of locating slot (12).
5. residual current transformer structure according to claim 4, it is characterised in that：It is set on the junction block cavity (11)
It is equipped with junction block positioning bar (14), the horizontal and vertical positioning setting of junction block (7) is positioned in the junction block of junction block cavity (11)
On muscle (14).
6. residual current transformer structure according to claim 5, it is characterised in that：On the upper casing (5) and lower casing (6)
It is respectively arranged with upper cover (3), lower cover (4)；Wherein, upper cover (3) sealing cover is located on upper casing (5), and is pressed on coil (8),
To eliminate the gap between coil (8) and upper casing (5), lower cover (4) sealing cover is located on lower bracket (2), and is pressed on coil (8)
On, to eliminate the gap between coil (8) and lower casing (6).
7. residual current transformer structure according to claim 6, it is characterised in that：The upper cover (3) if on be provided with
Dry upper barb (15), upper casing (5) corresponds to barb (15) on several and is provided with the identical upper button hole of quantity, and upper cover (3) passes through
Upper barb (15) be located on the upper button hole of upper casing (5) and the two button set after be fixed to each other by paste；The lower cover
(4) it is provided on several lower barb (16), lower casing (6) corresponds to barb (15) on several and is provided with the identical lower button of quantity
Hole, lower cover (4) is located in by lower barb (16) on the lower button hole of lower casing (6) and the two button set after by paste it is mutually solid
It is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820576544.6U CN208126966U (en) | 2018-04-20 | 2018-04-20 | A kind of residual current transformer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820576544.6U CN208126966U (en) | 2018-04-20 | 2018-04-20 | A kind of residual current transformer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208126966U true CN208126966U (en) | 2018-11-20 |
Family
ID=64186427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820576544.6U Expired - Fee Related CN208126966U (en) | 2018-04-20 | 2018-04-20 | A kind of residual current transformer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208126966U (en) |
-
2018
- 2018-04-20 CN CN201820576544.6U patent/CN208126966U/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: 20181120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |