CN220774101U - Current transformer - Google Patents
Current transformer Download PDFInfo
- Publication number
- CN220774101U CN220774101U CN202321582212.6U CN202321582212U CN220774101U CN 220774101 U CN220774101 U CN 220774101U CN 202321582212 U CN202321582212 U CN 202321582212U CN 220774101 U CN220774101 U CN 220774101U
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- China
- Prior art keywords
- current transformer
- wall
- groove
- outer ring
- connecting cylinder
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 238000004804 winding Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000009434 installation Methods 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
- 230000001681 protective effect Effects 0.000 description 1
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- Transformers For Measuring Instruments (AREA)
Abstract
The utility model relates to the technical field of electric devices and discloses a current transformer, which comprises a current transformer body, wherein a wire penetrating groove is formed in the current transformer body, one side of the wire penetrating groove is provided with an outer ring, one side of the outer ring is fixedly connected with one side of the current transformer body, the outer wall of the outer ring is provided with a placing groove, the inner wall of the outer ring is provided with four through grooves, the four through grooves are communicated with the placing groove, and the four through grooves are respectively arranged in pairs; according to the utility model, through the arrangement of the spring, the connecting cylinder, the arc-shaped clamping plate and the triangular column, wires with different thicknesses can be clamped and fixed, and the wires are prevented from moving, so that the loose of the wiring ends of the wires is caused, and the use is affected; through the arrangement of the outer ring and the inner ring, driving force can be provided for the clamping and fixing mechanism, and the clamping and fixing mechanism is far away from each other when the clamping and fixing mechanism does not need to clamp and fix the lead; when the wires need to be clamped and fixed, the wires are close to each other.
Description
Technical Field
The utility model relates to the technical field of power devices, in particular to a current transformer.
Background
The current transformer is an instrument for converting primary side large current into secondary side small current to measure according to an electromagnetic induction principle, the current transformer consists of a closed iron core and windings, the number of turns of the primary side winding is small, the primary side winding is connected in series in a circuit of current to be measured, therefore, all current of the circuit always flows, the number of turns of the secondary side winding is large, the secondary side winding is connected in series in a measuring instrument and a protection loop, the secondary side loop of the current transformer is always closed when the current transformer works, therefore, the impedance of a series coil of the measuring instrument and the protection loop is small, the working state of the current transformer is close to short circuit, and the current transformer converts primary side large current into secondary side small current to measure.
In the use process of the existing current transformer, a wire passes through a through hole in the middle of the current transformer, and then the wiring of the wire is connected to the current transformer; however, since the wire in the through hole passing through the middle of the current transformer is not fixed, the terminal of the wire is easily loosened.
Accordingly, it is necessary to provide a current transformer that solves the above-mentioned technical problems.
Disclosure of Invention
The utility model aims to provide a current transformer, which is convenient for clamping and fixing a wire through the arrangement of a spring, a connecting cylinder, an arc-shaped clamping plate and a triangular column, and avoids the movement of the wire, thereby loosening the wiring end of the wire and affecting the use.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides a current transformer, includes the current transformer body, the wire casing has been seted up on the current transformer body, one side of wire casing is provided with the outer loop, one side of outer loop and one side fixed connection of current transformer body, the standing groove has been seted up to the outer wall of outer loop, four logical groove has been seted up to the inner wall of outer loop, four it is all linked together with the standing groove to lead to the groove, four it sets up to lead to the groove two liang respectively, the inner ring is installed to the standing groove internal rotation, the recess has been seted up to the inner wall of inner ring, the inner wall of recess is provided with a plurality of centre gripping fixed establishment, and four centre gripping fixed establishment are two liang respectively and are set up.
Through adopting above-mentioned technical scheme, through the setting of centre gripping fixture, conveniently carry out centre gripping fixed to the wire, avoid the wire to remove to lead to the wiring end of wire to appear becoming flexible, influence the use; through the arrangement of the outer ring and the inner ring, driving force can be provided for the clamping and fixing mechanism, and the clamping and fixing mechanism is far away from each other when the clamping and fixing mechanism does not need to clamp and fix the lead; when the wires need to be clamped and fixed, the wires are close to each other.
The utility model is further provided with: the clamping and fixing mechanism comprises a connecting cylinder, one side of the connecting cylinder is fixedly connected with the inner wall of the groove, two springs are arranged in the connecting cylinder, one ends of the springs are fixedly connected with the inner wall of the connecting cylinder respectively, the other ends of the springs are fixedly connected with triangular columns, the triangular columns are in sliding connection with the connecting cylinder, and the triangular columns penetrate through the groove.
Through adopting above-mentioned technical scheme, through the setting of spring, connecting cylinder and triangular prism, can carry out the centre gripping to the wire of different thickness and fix.
The utility model is further provided with: the one end fixedly connected with connecting plate of connecting cylinder is kept away from to the triangular prism, the opposite side fixedly connected with arc grip block of connecting plate, the inner wall of arc grip block is provided with the protection pad.
Through adopting above-mentioned technical scheme, conveniently carry out the centre gripping to the wire fixedly.
The utility model is further provided with: the specification size of the connecting plate is larger than that of the through groove.
By adopting the technical scheme, the triangular prism is prevented from being completely contracted into the connecting cylinder, and meanwhile, the arc-shaped clamping plate is prevented from being damaged.
The utility model is further provided with: the outer wall of the inner ring is provided with a handle, and the handle is sleeved with an anti-slip pad.
By adopting the technical scheme, the outer ring is convenient for a worker to drive.
The utility model is further provided with: the bottom of current transformer body is provided with the base, two fixed slots have been seted up at the top of base, two the fixed slot is located the both sides of current transformer body respectively.
Through adopting above-mentioned technical scheme, conveniently fix the current transformer body in waiting the installation department.
In summary, the utility model has the following beneficial effects: through the arrangement of the springs, the connecting cylinders, the arc-shaped clamping plates and the triangular posts, wires with different thicknesses can be clamped and fixed, and the wires are prevented from moving, so that the loose of the wiring ends of the wires is caused, and the use is affected; through the arrangement of the outer ring and the inner ring, driving force can be provided for the clamping and fixing mechanism, and the clamping and fixing mechanism is far away from each other when the clamping and fixing mechanism does not need to clamp and fix the lead; when the wires need to be clamped and fixed, the wires are close to each other.
Drawings
FIG. 1 is a schematic three-dimensional structure of the present utility model;
FIG. 2 is a schematic three-dimensional structure of the inner ring and the outer ring of the present utility model;
FIG. 3 is a schematic three-dimensional view of the outer ring of the present utility model;
FIG. 4 is a schematic three-dimensional structure of an inner ring of the present utility model;
FIG. 5 is a schematic view of a cross-sectional front view of an outer ring of the present utility model;
fig. 6 is a schematic view of a cross-sectional front view of the connecting cylinder of the present utility model.
In the figure: 1. a current transformer body; 2. a base; 3. a fixing groove; 4. a handle; 5. a wire penetrating groove; 6. an outer ring; 7. a placement groove; 8. a through groove; 9. an inner ring; 10. a groove; 11. a connecting cylinder; 12. a spring; 13. triangular columns; 14. a connecting plate; 15. an arc-shaped clamping plate; 16. and a protective pad.
Detailed Description
The present utility model will be further described with reference to the drawings in the embodiments of the present utility model.
Referring to fig. 1 to 6, in the embodiment of the utility model, a current transformer comprises a current transformer body 1, a threading groove 5 is formed in the current transformer body 1, an outer ring 6 is arranged on one side of the threading groove 5, one side of the outer ring 6 is fixedly connected with one side of the current transformer body 1, a placing groove 7 is formed in the outer wall of the outer ring 6, four through grooves 8 are formed in the inner wall of the outer ring 6, the four through grooves 8 are communicated with the placing groove 7, the four through grooves 8 are respectively arranged in pairs, an inner ring 9 is rotatably mounted in the placing groove 7, a groove 10 is formed in the inner wall of the inner ring 9, a plurality of clamping and fixing mechanisms are arranged on the inner wall of the groove 10, and the four clamping and fixing mechanisms are respectively arranged in pairs; when the current transformer is used, the current transformer body 1 is moved to a position to be installed, the base 2 is placed at the position to be installed, the current transformer is installed to the position to be installed through the fixing groove 3 by bolts, then a worker drives the handle 4, the handle 4 drives the inner ring 9 to rotate, then the inner wall of the outer ring 6 has a certain acting force on the side wall of the triangular column 13, then the triangular column 13 has a certain acting force on the spring 12 in the connecting cylinder 11, the triangular column 13 is contracted into the connecting cylinder 11, meanwhile, the connecting plate 14 and the arc-shaped clamping plate 15 are driven to move, then a wire is led to pass through the threading groove 5 on the current transformer body 1, then the worker releases the handle 4, under the acting force of the spring 12, the triangular column 13 is moved out of the connecting cylinder 11, meanwhile, the connecting plate 14 and the arc-shaped clamping plate 15 are driven to move, the wire is prevented from moving, and the loose of the terminal of the wire is caused; through the arrangement of the clamping and fixing mechanism, the wire is conveniently clamped and fixed, and the movement of the wire is avoided, so that the loose of the wiring end of the wire is caused, and the use is influenced; by the arrangement of the outer ring 6 and the inner ring 9, driving force can be provided for the clamping and fixing mechanism, and the clamping and fixing mechanism is far away from each other when the clamping and fixing mechanism is not required to clamp and fix the lead; when the wires need to be clamped and fixed, the wires are close to each other.
In this embodiment, preferably, the clamping and fixing mechanism includes a connecting cylinder 11, one side of the connecting cylinder 11 is fixedly connected with an inner wall of the groove 10, two springs 12 are disposed inside the connecting cylinder 11, one ends of the two springs 12 are respectively fixedly connected with the inner wall of the connecting cylinder 11, the other ends of the two springs 12 are fixedly connected with a triangular column 13, the triangular column 13 is slidably connected with the connecting cylinder 11, and the triangular column 13 penetrates through the groove 8; when a worker drives the inner ring 9, the inner wall of the outer ring 6 has a certain acting force on the side wall of the triangular column 13, and the triangular column 13 has a certain acting force on the spring 12, so that the triangular column 13 is contracted into the connecting cylinder 11; when the worker stops driving the inner ring 9, the triangular column 13 is moved out of the connecting cylinder 11 under the action of the spring 12; through the arrangement of the spring 12, the connecting cylinder 11 and the triangular column 13, wires with different thicknesses can be clamped and fixed.
In this embodiment, preferably, one end of the triangular column 13 away from the connecting cylinder 11 is fixedly connected with a connecting plate 14, the other side of the connecting plate 14 is fixedly connected with an arc-shaped clamping plate 15, and a protection pad 16 is arranged on the inner wall of the arc-shaped clamping plate 15; the wire is convenient to clamp and fix.
In this embodiment, preferably, the specification size of the connection plate 14 is larger than the specification size of the through groove 8; the triangular posts 13 are prevented from being completely retracted into the connecting cylinder 11 while the arc-shaped clamping plates 15 are prevented from being damaged.
In this embodiment, preferably, a handle 4 is disposed on the outer wall of the inner ring 9, and an anti-slip pad is sleeved on the handle 4; the outer ring 6 is conveniently driven by a worker.
In this embodiment, preferably, a base 2 is provided at the bottom of the current transformer body 1, two fixing slots 3 are provided at the top of the base 2, and the two fixing slots 3 are respectively located at two sides of the current transformer body 1; it is convenient to fix the current transformer body 1 at the place to be installed.
Working principle: when the current transformer is used, the current transformer body 1 is moved to a position to be installed, the base 2 is placed at the position to be installed, the current transformer is fixed to the position to be installed through the fixing groove 3 by bolts, then a worker drives the handle 4, the handle 4 drives the inner ring 9 to rotate, a certain acting force is applied to the side wall of the triangular column 13 by the inner wall of the outer ring 6, a certain acting force is applied to the spring 12 in the connecting cylinder 11 by the triangular column 13, the triangular column 13 is contracted into the connecting cylinder 11, the connecting plate 14 and the arc-shaped clamping plate 15 are driven to move, the wire is led to pass through the threading groove 5 on the current transformer body 1, finally the worker releases the handle 4, the triangular column 13 is moved out of the connecting cylinder 11 under the acting force of the spring 12, the connecting plate 14 and the arc-shaped clamping plate 15 are driven to move simultaneously, the wire is prevented from moving, and accordingly the wire loosening is caused.
The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.
Claims (6)
1. Current transformer, including current transformer body (1), its characterized in that: the current transformer comprises a current transformer body (1), wherein a threading groove (5) is formed in the current transformer body (1), an outer ring (6) is arranged on one side of the threading groove (5), one side of the outer ring (6) is fixedly connected with one side of the current transformer body (1), a holding groove (7) is formed in the outer wall of the outer ring (6), four through grooves (8) are formed in the inner wall of the outer ring (6), the through grooves (8) are all communicated with the holding groove (7), the four through grooves (8) are respectively arranged in a two-phase mode, an inner ring (9) is installed in the holding groove (7) in a rotating mode, a groove (10) is formed in the inner wall of the inner ring (9), and four clamping and fixing mechanisms are arranged in two-phase mode.
2. A current transformer according to claim 1, wherein: the clamping and fixing mechanism comprises a connecting cylinder (11), one side of the connecting cylinder (11) is fixedly connected with the inner wall of the groove (10), two springs (12) are arranged in the connecting cylinder (11), one ends of the springs (12) are fixedly connected with the inner wall of the connecting cylinder (11) respectively, the other ends of the springs (12) are fixedly connected with triangular columns (13), the triangular columns (13) are in sliding connection with the connecting cylinder (11), and the triangular columns (13) penetrate through the through grooves (8).
3. A current transformer according to claim 2, wherein: one end of the triangular column (13) far away from the connecting cylinder (11) is fixedly connected with a connecting plate (14), the other side of the connecting plate (14) is fixedly connected with an arc-shaped clamping plate (15), and a protection pad (16) is arranged on the inner wall of the arc-shaped clamping plate (15).
4. A current transformer according to claim 3, wherein: the specification size of the connecting plate (14) is larger than that of the through groove (8).
5. A current transformer according to claim 1, wherein: the outer wall of the inner ring (9) is provided with a handle (4), and the handle (4) is sleeved with an anti-slip pad.
6. A current transformer according to claim 1, wherein: the bottom of current transformer body (1) is provided with base (2), two fixed slots (3) have been seted up at the top of base (2), two fixed slots (3) are located the both sides of current transformer body (1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321582212.6U CN220774101U (en) | 2023-06-20 | 2023-06-20 | Current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321582212.6U CN220774101U (en) | 2023-06-20 | 2023-06-20 | Current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220774101U true CN220774101U (en) | 2024-04-12 |
Family
ID=90612602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321582212.6U Active CN220774101U (en) | 2023-06-20 | 2023-06-20 | Current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220774101U (en) |
-
2023
- 2023-06-20 CN CN202321582212.6U patent/CN220774101U/en active Active
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