CN210156215U - Open-close type current transformer - Google Patents
Open-close type current transformer Download PDFInfo
- Publication number
- CN210156215U CN210156215U CN201921457705.0U CN201921457705U CN210156215U CN 210156215 U CN210156215 U CN 210156215U CN 201921457705 U CN201921457705 U CN 201921457705U CN 210156215 U CN210156215 U CN 210156215U
- Authority
- CN
- China
- Prior art keywords
- support
- base
- iron core
- open
- current 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.)
- Active
Links
Images
Abstract
The utility model discloses an open-close type current transformer, which relates to the technical field of current transformers and comprises an upper assembly and a lower assembly which are combined, wherein the upper assembly comprises an upper base, an upper top cover and a U-shaped upper iron core; the lower assembly comprises a lower base and a first support, a second support and a U-shaped lower iron core, the first support, the second support and the U-shaped lower iron core are accommodated in the lower base, the first support and the second support are combined through a buckle structure, the first support, the second support and the lower iron core are combined to form a lower iron core assembly, a coil is wound on the lower iron core assembly to form a magnetic core coil assembly, and the lower base is connected with the magnetic core coil assembly through the buckle structure. The utility model discloses an open-close type current transformer's last subassembly and the spare part of subassembly down all adopt buckle structure to realize quick joint, can exempt from the swift installation of instrument, and the lock is firm, reliable, the leakproofness is good.
Description
Technical Field
The utility model relates to a current transformer technical field especially relates to an open-close type current transformer.
Background
The two ends of the opening and closing part of the traditional open-close type mutual inductor are connected through bolts so as to realize the reliable occlusion of the two parts of the iron core. The traditional open-close type mutual inductor is inconvenient to disassemble and install, and the joint part is exposed and is easy to cause water inflow at the joint to cause the reduction of product precision and even scrapping. For example, chinese patent specification CN105469967A discloses "a medium voltage outdoor open-close type current transformer", which adopts an open-close type structure for convenient installation and use, but in actual production and use, it is found that the transformer of this kind of structure has low assembly efficiency, and the sealing effect after assembly is not good, and after long-time outdoor use, it is easy to cause short circuit or bad contact due to water seepage or dust intake, thereby affecting its service life.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an open-close type current transformer, the accessory is few, realizes quick joint through buckle structure in the whole assembling process, and assembly efficiency is high to the leakproofness is good.
An open-close type current transformer comprises an upper assembly and a lower assembly which are combined, wherein the upper assembly comprises an upper base, an upper top cover and a U-shaped upper iron core; the lower assembly comprises a lower base and a first support, a second support and a U-shaped lower iron core, the first support and the second support are accommodated in the lower base, the lower iron core is located between the first support and the second support, the first support and the second support are combined through a buckle structure, the first support, the second support and the lower iron core are combined to form a lower iron core assembly, a coil is wound on the lower iron core assembly to form a magnetic core coil assembly, the lower base is connected with the magnetic core coil assembly through the buckle structure, and the upper iron core and the lower iron core are in contact to form a ring shape in a closed state of the open-close type current transformer.
Furthermore, the interior top of going up the base is equipped with the draw-in groove, the upper end of going up the top cap is equipped with the pothook with the draw-in groove looks adaptation of last base, goes up the base and realizes being connected through the joint cooperation of pothook and draw-in groove with last top cap.
Further, the lower assembly further comprises a lower top cover, the lower top cover seals the opening of the lower base, the lower bottom cover is provided with a yielding notch for exposing the end part of the lower iron core, and the lower top cover is connected with the first support through a buckle structure.
Furthermore, the lower end of the lower top cover is abutted to the first support, the lower end of the lower top cover extends downwards to form a clamping hook, and the upper end of the first support is provided with a clamping protrusion which is correspondingly combined with the clamping hook of the lower top cover.
Furthermore, first support is located the second support top, and one side of the upper end of second support is equipped with a pair of opening locating hole, and the opposite side is equipped with the joint arch, the lower extreme downwardly extending of first support forms the locating shaft with the opening locating hole looks adaptation of second support and with the protruding pothook of looks adaptation of joint of second support.
Furthermore, the inside of base is equipped with the draw-in groove down, first support is equipped with the pothook with the draw-in groove looks adaptation of base down, four inner walls of base are in order to fix a position under the butt all around of first support.
Furthermore, the lower end of the second support is abutted to the lower base, a convex rib for limiting the second support is arranged in the lower base, and a convex rib for limiting the upper top cover is arranged in the upper base.
Furthermore, four edges of the upper base and four edges of the lower base are provided with chamfers.
Furthermore, the coil is connected with an outgoing line, and the bottom of one side of the lower base is provided with a lead hole for the outgoing line of the coil to penetrate out.
Furthermore, four corners of the bottom surface of the lower base are respectively provided with a mounting hole.
Compared with the prior art, the utility model has the advantages of it is following:
the utility model discloses an open-close type current transformer wholly divide into subassembly and lower subassembly, and the spare part of going up subassembly and lower subassembly all adopts buckle structure to realize quick joint, can exempt from the swift installation of instrument, and the lock is firm, reliable. The open-close type current transformer has the advantages of small volume, compact structure, quick installation and good sealing property.
Drawings
Fig. 1 is a perspective view showing an open state of an open-close type current transformer according to an embodiment of the present invention;
fig. 2 is an assembly view of the upper and lower bases of an embodiment of the present invention;
fig. 3 is an exploded view of an upper assembly of an embodiment of the present invention;
fig. 4 is a schematic disassembled view of a lower assembly of an embodiment of the present invention;
fig. 5 is a schematic diagram of the lower top cover, the first bracket and the second bracket according to the embodiment of the present invention.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 5, an open-close type current transformer includes an upper assembly 1 and a lower assembly 2, one side of which is hinged and the other side of which is combined by a buckle structure, wherein the upper assembly 1 includes an upper base 3, an upper top cover 4 and a U-shaped upper iron core 5, the upper base 3 and the upper top cover 4 are combined by the buckle structure, and the upper iron core 5 is accommodated in an upper iron core channel formed by combining the upper base 3 and the upper top cover 4; the lower assembly 2 comprises a lower base 6 and a lower top cover 7 accommodated in the lower base 6, a first support 8, a second support 9 and a U-shaped lower iron core 10, the lower iron core 10 is positioned between the first support 8 and the second support 9, the first support 8 and the second support 9 are combined through a buckle structure, the first support 8, the second support 9 and the lower iron core 10 are combined to form the lower iron core 10 assembly, a coil is wound on the lower iron core 10 assembly to form a magnetic core coil assembly, the lower top cover 7 and the lower base 6 are connected with the magnetic core coil assembly through the buckle structure, and the upper iron core 5 and the lower iron core 10 are in contact to form a ring shape in a closed state of the open-close type current transformer.
As shown in fig. 2, one side of the upper base 3 is hinged to one side of the lower base 6 through a hinge shaft, a U-shaped buckle 11 is arranged at the edge of the other side of the upper base 3, a clamping seat 12 is arranged at the edge of the other side of the lower base 6, and the upper base 3 are buckled through the combination of the U-shaped buckle 11 and the clamping seat 12.
Four corners of the inner top of the upper base 3 are respectively provided with a clamping groove 13, four corners of the upper end of the upper top cover 4 are respectively provided with four clamping hooks 14 matched with the four clamping grooves 13 of the upper base 3, and the upper base 3 and the upper top cover 4 are connected through clamping matching of the clamping hooks 14 and the clamping grooves 13. The upper end of the upper top cover 4 is abutted to the upper base 3, a plurality of ribs 15 are arranged in the upper base 3, and the ribs 15 limit the upper top cover 4. It should be understood that the number of the card slots 13 of the upper base 3 and the number of the hooks 14 of the upper top cover 4 are not limited to the four, and can be increased or decreased as appropriate, for example, the number of the card slots 13 and the hooks 14 are two, and are respectively arranged at the opposite corners of the upper base 3 and the opposite corners of the upper top cover 4, and the upper top cover 4 and the upper base 3 can be firmly fastened.
The lower top cover 7 closes the opening of the lower base 6, and the lower bottom cover is provided with an abdicating notch for exposing the end part of the lower iron core 10. The lower end of the lower top cover 7 is abutted against the first support 8, four corners of the lower end of the lower top cover 7 extend downwards to be provided with hooks 14, and four corners of the upper end of the first support 8 are respectively provided with four clamping protrusions 20 correspondingly combined with the four hooks 14 of the lower top cover 7. It should be understood that the lower cap 7 may be integrally formed with the first bracket 8.
As shown in fig. 4 and 5, the first bracket 8 is located above the second bracket 9, one side of the upper end of the second bracket 9 is provided with a pair of opening positioning holes 16, the other side is provided with a clamping protrusion 20, and the lower end of the first bracket 8 extends downwards to form a positioning shaft 17 matched with the opening positioning holes 16 of the second bracket 9 and a clamping hook 14 matched with the clamping protrusion 20 of the second bracket 9. When assembled, the positioning shaft 17 of the first bracket 8 is inserted into the open positioning hole 16 of the second bracket 9.
Four corners of the inner bottom of the lower base 6 are provided with clamping grooves 13, four corners of the lower end of the first support 8 are provided with clamping hooks 14 matched with the clamping grooves 13 of the lower base 6, and the periphery of the first support 8 is abutted to four inner walls of the lower base 6 for positioning.
The lower end of the second support 9 is abutted to the lower base 6, and a convex rib 15 for limiting the second support 9 is arranged in the lower base 6.
The coil is connected with a lead wire 18, and the bottom of one side edge of the lower base 6 is provided with a lead hole 19 for the lead wire 18 of the coil to penetrate out.
Four edges of the upper base 3 and four edges of the lower base 6 are provided with chamfers 21. The shapes of the upper base 3 and the lower base 6 are designed to be chamfered 20, so that the appearance is more attractive. Four corners of the bottom surface of the lower base 6 are respectively provided with mounting holes, so that the open-close type current transformer can adapt to various inconvenient mounting environments.
All clamping structures in the document are connected in an up-and-down buckling manner. When the upper assembly 1 is assembled, the upper top cover 4 is assembled with the upper iron core 5 and then is clamped in the upper base 3. When subassembly 2 is assembled down, magnetic core coil assembly is assembled into to first support 8, second support 9, lower iron core 10 and coil, and magnetic core coil assembly joint is to base 6 down, then with lower top cap 7 joint on first support 8, perhaps assemble lower top cap 7 with magnetic core coil assembly earlier, then assemble lower top cap 7 and magnetic core coil assembly together and assemble to base 6 down. The open-close type current transformer can be quickly installed without tools, is firmly and reliably buckled, and has good performance, small volume and good sealing property.
The above description is only an embodiment utilizing the technical content of the present disclosure, and any modification and variation made by those skilled in the art can be covered by the claims of the present disclosure, and not limited to the embodiments disclosed.
Claims (10)
1. The utility model provides an open-close type current transformer, includes last subassembly and lower subassembly that combines together, its characterized in that: the upper assembly comprises an upper base, an upper top cover and a U-shaped upper iron core, the upper base and the upper top cover are combined through a buckle structure, and the upper iron core is accommodated in an upper iron core channel formed by combining the upper base and the upper top cover; the lower assembly comprises a lower base and a first support, a second support and a U-shaped lower iron core, the first support and the second support are accommodated in the lower base, the lower iron core is located between the first support and the second support, the first support and the second support are combined through a buckle structure, the first support, the second support and the lower iron core are combined to form a lower iron core assembly, a coil is wound on the lower iron core assembly to form a magnetic core coil assembly, the lower base is connected with the magnetic core coil assembly through the buckle structure, and the upper iron core and the lower iron core are in contact to form a ring shape in a closed state of the open-close type current transformer.
2. The open-close type current transformer according to claim 1, wherein: the interior top of going up the base is equipped with the draw-in groove, the upper end of going up the top cap is equipped with the pothook with the draw-in groove looks adaptation of last base, goes up the base and realizes being connected through the joint cooperation of pothook and draw-in groove with last top cap.
3. The open-close type current transformer according to claim 1, wherein: the lower assembly further comprises a lower top cover, the lower top cover seals the opening of the lower base, the lower bottom cover is provided with a yielding notch for exposing the end part of the lower iron core, and the lower top cover is connected with the first support through a buckle structure.
4. The open-close type current transformer according to claim 3, wherein: the lower end of the lower top cover is abutted to the first support, the lower end of the lower top cover extends downwards to be provided with a clamping hook, and the upper end of the first support is provided with a clamping protrusion correspondingly combined with the clamping hook of the lower top cover.
5. The open-close type current transformer according to claim 1, wherein: the first support is located second support top, and one side of the upper end of second support is equipped with a pair of opening locating hole, and the opposite side is equipped with the joint arch, the lower extreme downwardly extending of first support forms the location axle with the opening locating hole looks adaptation of second support and with the protruding pothook of looks adaptation of joint of second support.
6. The open-close type current transformer according to claim 1, wherein: the inside of lower base is equipped with the draw-in groove, first support is equipped with the pothook with the draw-in groove looks adaptation of lower base, four inner walls of base are in order to fix a position under the first support's butt all around.
7. The open-close type current transformer according to claim 1, wherein: the lower end of the second support is abutted to the lower base, a convex edge for limiting the second support is arranged in the lower base, and a convex edge for limiting the upper top cover is arranged in the upper base.
8. The open-close type current transformer according to claim 1, wherein: four edges of going up the base all are equipped with the chamfer with four edges of lower base.
9. The open-close type current transformer according to claim 1, wherein: the coil is connected with an outgoing line, and the bottom of one side of the lower base is provided with a lead hole for the outgoing line of the coil to penetrate out.
10. The open-close type current transformer according to one of claims 1 to 9, characterized in that: four corners of the bottom surface of the lower base are respectively provided with a mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921457705.0U CN210156215U (en) | 2019-09-03 | 2019-09-03 | Open-close type current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921457705.0U CN210156215U (en) | 2019-09-03 | 2019-09-03 | Open-close type current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210156215U true CN210156215U (en) | 2020-03-17 |
Family
ID=69767339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921457705.0U Active CN210156215U (en) | 2019-09-03 | 2019-09-03 | Open-close type current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210156215U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459381A (en) * | 2019-09-03 | 2019-11-15 | 厦门振泰成科技有限公司 | A kind of open-close type current transformer |
| CN111613427A (en) * | 2020-05-09 | 2020-09-01 | 北京华强诚信电器有限公司 | Split type current transformer convenient to installation |
| CN113593814A (en) * | 2021-06-04 | 2021-11-02 | 山东铂晶智能科技有限公司 | Open-type current transformer and manufacturing method thereof |
-
2019
- 2019-09-03 CN CN201921457705.0U patent/CN210156215U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459381A (en) * | 2019-09-03 | 2019-11-15 | 厦门振泰成科技有限公司 | A kind of open-close type current transformer |
| CN111613427A (en) * | 2020-05-09 | 2020-09-01 | 北京华强诚信电器有限公司 | Split type current transformer convenient to installation |
| CN113593814A (en) * | 2021-06-04 | 2021-11-02 | 山东铂晶智能科技有限公司 | Open-type current transformer and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210156215U (en) | Open-close type current transformer | |
| US6932493B2 (en) | Fluorescent light tube adaptor | |
| CN208723142U (en) | A kind of direct plug-in relay socket structure | |
| CN211981016U (en) | Socket protection box | |
| CN110459381A (en) | A kind of open-close type current transformer | |
| CN102454686B (en) | Hinge structure | |
| JPH04168900A (en) | Microphone fixing device | |
| KR200453507Y1 (en) | Brush card for motor | |
| CN209001204U (en) | The power supply adaptor transformational structure of post forming | |
| KR100480047B1 (en) | Battery pack and docking structure of mobile phone | |
| KR200232261Y1 (en) | Terminal connection of trans plug for improved model | |
| CN219902245U (en) | Tool bit shell and shaver | |
| CN215453475U (en) | Waterproof structure and electronic equipment | |
| CN201252054Y (en) | Minitype high power relay | |
| CN220628060U (en) | Battery device and battery stacking system | |
| CN218120121U (en) | Drive-by-wire ware and air conditioner | |
| CN210183165U (en) | Garage door motor terminal box | |
| CN210027031U (en) | Filler cap mounting structure | |
| CN218440834U (en) | Manual-automatic exhaust valve | |
| CN211958071U (en) | Sealed socket | |
| CN213782323U (en) | OTG conversion head | |
| CN219458008U (en) | Connection structure of rod antenna rod sleeve and fixing base | |
| JP2000294421A (en) | Coil device | |
| CN212889573U (en) | Portable folder | |
| CN112391809B (en) | Wiring groove mounting structure and washing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |