CN214377999U - Current transformer capable of installing circuit at high speed - Google Patents
Current transformer capable of installing circuit at high speed Download PDFInfo
- Publication number
- CN214377999U CN214377999U CN202021395627.9U CN202021395627U CN214377999U CN 214377999 U CN214377999 U CN 214377999U CN 202021395627 U CN202021395627 U CN 202021395627U CN 214377999 U CN214377999 U CN 214377999U
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- Prior art keywords
- half body
- lower half
- current transformer
- rod
- pin rod
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- 238000004804 winding Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 238000009434 installation Methods 0.000 abstract description 13
- 230000000903 blocking effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a current transformer capable of installing a circuit at a high speed, which comprises an upper half body and a lower half body, wherein the upper half body and the lower half body are spliced to form an annular current transformer; the bottom of the lower half body extends downwards to form a mounting part, and a wiring terminal of a secondary winding is arranged on the mounting part; the mounting part is also provided with a fixing part, and the fixing part is provided with a fixing hole for fixing the lower half body; the upper half body is hinged to one end of the lower half body through a hinge shaft, one end, far away from the hinge shaft, of the upper half body extends outwards to form a first connecting portion, the lower half body correspondingly extends outwards to form a second connecting portion, and the first connecting portion and the second connecting portion are locked and fixed through an elastic locking assembly. But current transformer of speed installation circuit realize through the open-close structure quick installation to the circuit that awaits measuring, need not to have a power failure and dismantle the circuit, effectual providing has improved the installation effectiveness.
Description
Technical Field
The utility model belongs to the technical field of current transformer, especially, relate to a but current transformer of speed installation circuit.
Background
Current current transformer is closed annular structure mostly, and when the circuit that awaits measuring can not cut off the power supply or not dismantle well, the process of installation current transformer can be very loaded down with trivial details, provides the current transformer that can install the circuit fast now, constantly can realize under the circumstances of circuit or copper bar with the circuit installation of awaiting measuring, use fast.
Disclosure of Invention
In view of this, the present invention is directed to a current transformer capable of installing a circuit at a high speed, so as to solve the problem that the current transformer has a closed ring structure and requires a high requirement during installation.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a current transformer capable of installing a line at a high speed comprises an upper half body and a lower half body, wherein the upper half body and the lower half body are spliced to form an annular current transformer; the bottom of the lower half body extends downwards to form a mounting part, and a wiring terminal of a secondary winding is arranged on the mounting part;
the mounting part is also provided with a fixing part, and the fixing part is provided with a fixing hole for fixing the lower half body;
the upper half body is hinged to one end of the lower half body through a hinge shaft, one end, far away from the hinge shaft, of the upper half body extends outwards to form a first connecting portion, the lower half body correspondingly extends outwards to form a second connecting portion, and the first connecting portion and the second connecting portion are locked and fixed through an elastic locking assembly.
Furthermore, the two fixing parts are respectively arranged on two sides of the bottom of the mounting part;
each fixing part is provided with two fixing holes, and the fixing holes are strip-shaped holes.
Furthermore, the elastic locking assembly comprises a pin rod, a stop rod, a limiting rod and a jacking spring, a through hole corresponding to the pin rod is formed in the first connecting part, a strip-shaped opening corresponding to the pin rod is formed in the second connecting part, and the strip-shaped opening is communicated with the outer side;
the two stop levers are respectively welded and fixed on two sides of the upper end of the pin rod, the stop levers are arranged above the first connecting part, the jacking spring is sleeved on the outer side of the pin rod, the jacking spring is arranged between the stop levers and the first connecting part, and upward thrust is applied to the stop levers through the jacking spring;
the limiting rods are two and fixedly mounted on two sides of the pin rod below the connecting part II.
Furthermore, the tip of gag lever post is equipped with screw thread portion, open the screw hole that corresponds with screw thread portion on the pin pole, gag lever post and pin pole threaded connection.
Furthermore, a limiting groove corresponding to the limiting rod is formed in the bottom of the second connecting part;
the limiting groove is an arc-shaped groove.
Furthermore, the pin rod comprises an upper half part and a lower half part, the middle position of the top of the lower half part extends upwards to form a connecting plate, an opening corresponding to the connecting plate is formed in the center of the bottom of the upper half part, the connecting plate is arranged in the opening, and the top of the lower half part is hinged with the bottom of the upper half part through a hinge shaft.
Further, the pin bar still corresponds and is equipped with spacing subassembly, spacing subassembly includes fixed plate, the welded fastening of fixed mounting at a connecting portion upper surface U shaped steel in the fixed plate top, it has the through-hole that corresponds with the pin bar to open on the fixed plate, U shaped steel is two, sets up respectively in the both sides of vertical setting at the pin bar, the vertical setting of U shaped steel, the one end setting that the pin bar was kept away from to the pin bar is in the recess of U shaped steel, through the direction of rotation of the lower half is injectd to U shaped steel.
Furthermore, the bottom of the pin rod is also provided with a pull ring, the top of the pull ring is provided with a screw rod, and the bottom of the pin rod is provided with a threaded hole corresponding to the screw rod.
Compared with the prior art, but current transformer of speed installation circuit have following advantage:
(1) the current transformer capable of quickly installing the circuit realizes quick installation of the circuit to be tested through the opening and closing structure, does not need power failure and circuit disassembly, and effectively improves the installation efficiency; the upper half body and the lower half body can be opened and closed quickly through the elastic locking assembly, and the use and the operation are more convenient.
(2) The middle of the pin rod of the utility model is hinged by the articulated shaft, and the pin rod is effectively prevented from radial rotation by limiting the stop lever by U-shaped steel, thereby limiting the rotation direction of the lower half part, so that the pin rod can be opened and closed along the direction of the strip-shaped opening, and is convenient to open; because the middle of the pin rod is hinged, the shape change from the straight rod to the L-shaped rod can be realized, when the current transformer needs to be opened, the pull ring needs to be pulled downwards, the limiting rod is separated from the limiting groove, then the lower half part is rotated outwards, the separation of the pin rod and the lower half part is realized, at the moment, the pin rod is also converted into the L-shaped rod from the straight rod, if the pull ring is released at the moment, the pin rod can be prevented from being separated from the top of the U-shaped steel due to the fact that the pin rod is of an L-shaped structure, if the pin rod is the straight rod, the pin rod can be separated from the U-shaped steel under the action of a jacking spring, and through the structural design of the pin rod, the pin rod can be prevented from being separated from the U-shaped steel.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is an overall structure diagram of a current transformer capable of installing a circuit at a high speed according to an embodiment of the present invention.
Fig. 2 is a partial structural view of a current transformer of a speed-mountable circuit according to an embodiment of the present invention;
fig. 3 is a structural diagram of the elastic locking assembly according to the embodiment of the present invention.
Description of reference numerals:
1. a lower half body; 11. a second connecting part; 12. a strip-shaped opening; 13. a limiting groove; 2. an installation part; 3. a fixed part; 4. an upper half body; 41. a first connecting part; 5. an elastic locking assembly; 51. a fixing plate; 52. u-shaped steel; 53. a pin rod; 54. a stop lever; 55. a pull ring; 56. a limiting rod; 57. and tightly pushing the spring.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 3, a current transformer capable of installing a line at a high speed comprises an upper half body 4 and a lower half body 1, wherein the upper half body 4 and the lower half body 1 are spliced to form a ring-shaped current transformer; the bottom of the lower half body 1 extends downwards to form a mounting part 2, and a wiring terminal of a secondary winding is arranged on the mounting part 2;
the mounting part 2 is also provided with a fixing part 3, and the fixing part 3 is provided with a fixing hole for fixing the lower half body 1;
the upper half body 4 is hinged to one end of the lower half body 1 through a hinge shaft, one end, far away from the hinge shaft, of the upper half body 4 extends outwards to form a first connecting portion 41, the lower half body 1 correspondingly extends outwards to form a second connecting portion 11, and the first connecting portion 41 and the second connecting portion 11 are locked and fixed through an elastic locking assembly 5. The rapid installation of the line to be tested is realized through the opening and closing structure, power failure and line disassembly are not needed, and the installation efficiency is effectively improved; the upper half body 4 and the lower half body 1 can be opened and closed quickly through the elastic locking assembly 5, and the use and the operation are more convenient.
The two fixing parts 3 are respectively arranged at two sides of the bottom of the mounting part 2; every be equipped with two fixed orificess on the fixed part 3, the fixed orifices is the bar hole.
The elastic locking assembly 5 comprises a pin rod 53, a stop lever 54, a limiting rod 56 and a jacking spring 57, a through hole corresponding to the pin rod 53 is formed in the first connecting part 41, a strip-shaped opening 12 corresponding to the pin rod 53 is formed in the second connecting part 11, and the strip-shaped opening 12 is communicated with the outer side;
the two stop levers 54 are respectively fixed on two sides of the upper end of the pin rod 53 in a welding manner, the stop levers 54 are arranged above the first connecting part 41, the tightening spring 57 is sleeved on the outer side of the pin rod 53, the tightening spring 57 is arranged between the stop levers 54 and the first connecting part 41, and the tightening spring 57 applies upward thrust to the stop levers 54;
the two limiting rods 56 are fixedly arranged on two sides of the pin rod 53 below the second connecting part 11.
The end of the limiting rod 56 is provided with a threaded portion, the pin rod 53 is provided with a threaded hole corresponding to the threaded portion, and the limiting rod 56 is in threaded connection with the pin rod 53. The limiting rod 56 and the pin rod 53 are of detachable structures, so that the elastic locking assembly 5 can be conveniently disassembled and assembled.
The bottom of the second connecting part 11 is provided with a limiting groove 13 corresponding to the limiting rod 56; the limiting groove 13 is an arc-shaped groove, the radian corresponds to the diameter of the limiting rod 56, and the limiting rod 56 can be limited in position through the limiting groove 13.
The pin rod 53 comprises an upper half part and a lower half part, the middle position of the top of the lower half part extends upwards to form a connecting plate, the central position of the bottom of the upper half part is provided with an opening corresponding to the connecting plate, the connecting plate is arranged in the opening, and the top of the lower half part is hinged with the bottom of the upper half part through a hinge shaft.
The pin rod 54 still corresponds and is equipped with spacing subassembly, spacing subassembly includes fixed plate 51, the U shaped steel 52 of welded fastening in fixed plate 51 top of connecting portion 41 upper surface, it has the through-hole that corresponds with pin rod 53 to open on the fixed plate 51, U shaped steel 52 is two, sets up respectively in the vertical both sides that set up at pin rod 54, the vertical setting of U shaped steel 52, the one end setting that pin rod 53 was kept away from to pin rod 54 is in the recess of U shaped steel 52, through the direction of rotation of the lower half is injectd to U shaped steel 52.
The bottom of the pin rod 53 is also provided with a pull ring 55, the top of the pull ring 55 is provided with a screw, and the bottom of the pin rod 53 is provided with a threaded hole corresponding to the screw, so that the pull ring 55 can be conveniently disassembled and assembled.
The middle of the pin rod 53 is hinged by a hinge shaft, and the stop lever 54 is limited by the U-shaped steel 52, so that the radial rotation of the pin rod 53 is effectively prevented, the rotation direction of the lower half part is further limited, the pin rod rotates along the direction of the strip-shaped opening 12, and the opening is facilitated; the shape change from a straight rod to an L-shaped rod can be realized due to the hinged connection in the middle of the pin rod 53, when the current transformer needs to be opened, the pull ring 55 needs to be pulled downwards to enable the limiting rod 56 to be separated from the limiting groove 13, then the lower half part is rotated outwards to realize the separation of the pin rod 53 and the lower half body 1, at the moment, the pin rod 53 is also converted from the straight rod to the L-shaped rod, if the pull ring 55 is released, the blocking rod 54 can be prevented from being separated from the top of the U-shaped steel 52 due to the L-shaped structure of the pin rod 53, if the pin rod 53 is a straight rod, the blocking rod 54 can be prevented from being separated from the U-shaped steel 52 under the action of the jacking spring 57, and through the structural design of the pin rod 53, the blocking rod 54 can be prevented from being separated from the U-shaped steel 52.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A current transformer capable of installing a line at a high speed, characterized in that: the current transformer comprises an upper half body and a lower half body, wherein the upper half body and the lower half body are spliced to form an annular current transformer; the bottom of the lower half body extends downwards to form a mounting part, and a wiring terminal of a secondary winding is arranged on the mounting part;
the mounting part is also provided with a fixing part, and the fixing part is provided with a fixing hole for fixing the lower half body;
the upper half body is hinged to one end of the lower half body through a hinge shaft, one end, far away from the hinge shaft, of the upper half body extends outwards to form a first connecting portion, the lower half body correspondingly extends outwards to form a second connecting portion, and the first connecting portion and the second connecting portion are locked and fixed through an elastic locking assembly.
2. The line speed mountable current transformer of claim 1, wherein: the two fixing parts are respectively arranged on two sides of the bottom of the mounting part;
each fixing part is provided with two fixing holes, and the fixing holes are strip-shaped holes.
3. The line speed mountable current transformer of claim 1, wherein:
the elastic locking assembly comprises a pin rod, a stop rod, a limiting rod and a jacking spring, a through hole corresponding to the pin rod is formed in the first connecting part, a strip-shaped opening corresponding to the pin rod is formed in the second connecting part, and the strip-shaped opening is communicated with the outer side;
the two stop levers are respectively welded and fixed on two sides of the upper end of the pin rod, the stop levers are arranged above the first connecting part, the jacking spring is sleeved on the outer side of the pin rod, the jacking spring is arranged between the stop levers and the first connecting part, and upward thrust is applied to the stop levers through the jacking spring;
the limiting rods are two and fixedly mounted on two sides of the pin rod below the connecting part II.
4. The line speed mountable current transformer of claim 3, wherein: the end part of the limiting rod is provided with a threaded part, the pin rod is provided with a threaded hole corresponding to the threaded part, and the limiting rod is in threaded connection with the pin rod.
5. The line speed mountable current transformer of claim 3 or 4, wherein: the bottom of the second connecting part is provided with a limiting groove corresponding to the limiting rod;
the limiting groove is an arc-shaped groove.
6. The line speed mountable current transformer of claim 4, wherein: the pin rod comprises an upper half part and a lower half part, the middle position of the top of the lower half part extends upwards to form a connecting plate, the center position of the bottom of the upper half part is provided with an opening corresponding to the connecting plate, the connecting plate is arranged in the opening, and the top of the lower half part is hinged with the bottom of the upper half part through a hinge shaft.
7. The line speed mountable current transformer of claim 6, wherein: the pin bar is characterized in that the stop lever is correspondingly provided with a limiting assembly, the limiting assembly comprises a fixed plate fixedly arranged on the upper surface of the connecting portion and U-shaped steel welded and fixed above the fixed plate, two U-shaped steel are arranged on the fixed plate and are vertically arranged on two sides of the stop lever respectively, the U-shaped steel is vertically arranged, one end of the stop lever far away from the pin lever is arranged in a groove of the U-shaped steel, and the rotation direction of the lower half part is limited by the U-shaped steel.
8. The line speed mountable current transformer of claim 6, wherein: the bottom of the pin rod is also provided with a pull ring, the top of the pull ring is provided with a screw rod, and the bottom of the pin rod is provided with a threaded hole corresponding to the screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021395627.9U CN214377999U (en) | 2020-07-15 | 2020-07-15 | Current transformer capable of installing circuit at high speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021395627.9U CN214377999U (en) | 2020-07-15 | 2020-07-15 | Current transformer capable of installing circuit at high speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214377999U true CN214377999U (en) | 2021-10-08 |
Family
ID=77931901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021395627.9U Expired - Fee Related CN214377999U (en) | 2020-07-15 | 2020-07-15 | Current transformer capable of installing circuit at high speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214377999U (en) |
-
2020
- 2020-07-15 CN CN202021395627.9U patent/CN214377999U/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: 20211008 |