CN212542167U - Wide-temperature miniature combined current transformer - Google Patents

Abstract

The utility model discloses a miniature combination formula current transformer of wide temperature relates to the electrical equipment field, to the problem that iron core contact failure leads to equipment trouble appears easily after current combination formula current transformer installs, now proposes following scheme, and it includes the main part, the one end of main part is matchd and is installed the end cover, just the equal fixedly connected with pivot in both sides of end cover, the pivot is coaxial, just the pivot is mutually perpendicular form with the end cover, the both sides fixedly connected with bayonet lock of main part, just the bayonet lock is the symmetric distribution about the main part, the bayonet lock is mutually perpendicular form with the main part, just the curb plate is installed in the both sides matching of end cover, the curb plate is the symmetric distribution about the end cover, just the round hole has been seted up to the bottom of curb plate. The utility model discloses novel structure, and the device simple structure, clean and tidy just simple operation of outer tube, safe and reliable, the effectual problem that iron core contact failure leads to equipment trouble appears easily after having solved current combination formula current transformer installation.

Description

Wide-temperature miniature combined current transformer

Technical Field

The utility model relates to an electrical equipment field especially relates to miniature combination formula current transformer of wide temperature.

Background

The transformer has a working principle similar to that of a transformer, and realizes transformation or conversion through conversion of current and magnetic field, but the transformation and conversion range capacity of the transformer is smaller than that of the transformer, and the transformer is generally used in some occasions requiring rated low voltage or low current, so the transformer is also divided into a voltage transformer and a current transformer, wherein the outer pipe of the current transformer is generally annular, a main power line passes through the middle of the current transformer, so induced current output is generated on the current transformer, and a cable needs to pass through the current inductor during installation, so the existing detachable combined current transformer gradually replaces the traditional integral current transformer.

The main part inside the combined current transformer is composed of a shell and an annular iron core, the iron core is split according to the combined principle, and then the iron core is assembled and spliced through the shell, so that the split type combined current transformer is detachable, but the split connection mode adopted by the existing combined current transformer is simple and crude, poor contact of the iron core is easy to occur after installation, and equipment faults are caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a miniature combination formula current transformer of wide temperature has solved the problem that the iron core contact failure leads to equipment trouble appears easily after current combination formula current transformer installs.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the wide-temperature miniature combined current transformer comprises a main body, wherein an end cover is installed at one end of the main body in a matching mode, rotating shafts are fixedly connected to two sides of the end cover, the rotating shafts are coaxial, the rotating shafts and the end cover are mutually perpendicular, clamping pins are fixedly connected to two sides of the main body and are symmetrically distributed relative to the main body, the clamping pins and the main body are mutually perpendicular, side plates are installed at two sides of the end cover in a matching mode, the side plates are symmetrically distributed relative to the end cover, round holes are formed in the bottom ends of the side plates, the round holes penetrate through two sets of side plates, the two sets of rotating shafts are respectively in rotating connection with the two sets of round holes, transverse plates are fixedly connected to the top ends of the side plates, the transverse plates and the main body are horizontal, crescent plates are installed at two sides of the main body in a matching mode, the crescent plates are symmetrically distributed relative, just the crescent moon board is located the bayonet lock and keeps away from one side of end cover, the crescent moon board is located bayonet lock department and all matches and has seted up the draw-in groove, just the bayonet lock all is cup jointed with the draw-in groove.

Preferably, a square groove is formed in the top end of the transverse plate and penetrates through the transverse plate, a handle is sleeved in the square groove in a matched mode, a hollow groove is formed in the top end of the handle, and the hollow groove penetrates through the handle.

Preferably, the bottom of one end of the handle is located in the hollow groove and provided with an arc-shaped groove, the top of the end, away from the arc-shaped groove, of the handle is provided with a shaft seat, and the shaft seats are symmetrically distributed on two sides of the handle.

Preferably, the axle seats are sleeved with steel shafts in a sliding manner at the axle centers of two ends, which are far away from each other, and the axle seats are symmetrically distributed about the steel shafts.

Preferably, the equal fixedly connected with in both ends bottom that end cover and main part kept away from each other fixes the ear, just fixed ear is the symmetric distribution about the width direction of main part, the fixed orifices has all been seted up on the top of fixed ear, just the fixed orifices all runs through in fixed ear.

The utility model has the advantages that:

1. the handle of the device is hidden in the transverse plate through the square groove, so that the appearance is clean and tidy, the handle is pulled outwards, the steel shaft and the shaft seat drive the transverse plate and the side plate to deflect by taking the rotating shaft as the shaft center, the crescent moon plate is separated from the clamping pin, and the split of the device is realized.

2. The device is through pressing down the diaphragm to the main part direction for the bayonet lock slides along the interior arc limit of crescent moon, because the arc limit of crescent moon is circular to be located the below of pivot, thereby makes the extrusion force between bayonet lock and the crescent moon increase gradually, and finally makes in the bayonet lock gets into the draw-in groove, accomplishes the installation this moment promptly.

3. The shaft seat and the transverse plate, and the shaft seat and the handle of the device are integrally provided with the injection molding holes, so that the connection strength of the steel shaft is improved, and the device is not easy to damage when the handle is used for operation.

To sum up, the device simple structure, the clean and tidy just simple operation of outer tube, safe and reliable have effectually solved the problem that the iron core contact failure leads to equipment trouble appears easily after current combination formula current transformer installs.

Drawings

Fig. 1 is a top view of the present invention.

Fig. 2 is a bottom view of the present invention.

Fig. 3 is a cross-sectional view of the side plate and the cross plate of fig. 1 about a-a according to the present invention.

Fig. 4 is a schematic structural diagram of the open state of the present invention.

Reference numbers in the figures: 1. a main body; 2. an end cap; 3. a rotating shaft; 4. a bayonet lock; 5. a side plate; 6. a circular hole; 7. a transverse plate; 8. a crescent plate; 9. a card slot; 10. a square groove; 11. a handle; 12. hollowing out the grooves; 13. an arc-shaped slot; 14. a shaft seat; 15. a steel shaft; 16. fixing the ear; 17. and (7) fixing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, the wide-temperature miniature combined current transformer comprises a main body 1, wherein an end cover 2 is installed at one end of the main body 1 in a matching manner, rotating shafts 3 are fixedly connected to both sides of the end cover 2, the rotating shafts 3 are coaxial, the rotating shafts 3 and the end cover 2 are mutually perpendicular, bayonet locks 4 are fixedly connected to both sides of the main body 1, the bayonet locks 4 are symmetrically distributed with respect to the main body 1, the bayonet locks 4 are mutually perpendicular to the main body 1, side plates 5 are installed at both sides of the end cover 2 in a matching manner, the side plates 5 are symmetrically distributed with respect to the end cover 2, round holes 6 are formed in the bottom ends of the side plates 5, the round holes 6 penetrate through the two sets of side plates 5, the two sets of rotating shafts 3 are respectively and rotatably connected with the two sets of round holes 6, a transverse plate 7 is fixedly connected to the top ends of, the two sides of the main body 1 are provided with crescent moon plates 8 in a matching manner, the crescent moon plates 8 are symmetrically distributed relative to the main body 1, the top ends of the crescent moon plates 8 are fixedly connected with the transverse plate 7, the crescent moon plates 8 are positioned at one side of the bayonet 4 far away from the end cover 2, the crescent moon plates 8 are positioned at the bayonet 4 and are provided with clamping grooves 9 in a matching manner, the bayonet 4 is sleeved with the clamping grooves 9, the top end of the transverse plate 7 is provided with a square groove 10, the square groove 10 penetrates through the transverse plate 7, a handle 11 is sleeved in the square groove 10 in a matching manner, the top end of the handle 11 is provided with a hollow groove 12, the hollow groove 12 penetrates through the handle 11, the bottom of one end of the handle 11 is positioned in the hollow groove 12 and is provided with an arc groove 13, the top of one end of the handle 11 far away from the arc groove 13 is provided with an axle seat 14, and the axle, the axle bed 14 both ends axle center department of keeping away from each other all slides and has cup jointed steel axle 15, just axle bed 14 is the symmetric distribution about steel axle 15, the equal fixedly connected with in both ends bottom that end cover 2 and main part 1 kept away from each other fixes ear 16, just fixed ear 16 is the symmetric distribution about the width direction of main part 1, fixed hole 17 has all been seted up on the top of fixed ear 16, just fixed hole 17 all runs through in fixed ear 16.

The operation method for disassembling the device is that the handle 11 is buckled out through the arc-shaped groove 13, so that the handle 11 deflects by taking the steel shaft 15 as an axis, then the handle 11 is pulled outwards through the hollow groove 12, the transverse plate 7 and the side plate 5 are driven by the steel shaft 15 and the shaft seat 14 to deflect by taking the rotating shaft 3 as the axis, so that the crescent moon plate 8 below the transverse plate 7 is separated from the bayonet 4, the clamping of the crescent moon plate 8 is lost, the end cover 2 and the main body 1 can be separated, after the main body 1 is sleeved with a cable, the end cover 2 and the main body 1 are spliced again, the handle 11 is arranged back in the square groove 10, the transverse plate 7 is pressed down towards the main body 1, the inner arc edge of the crescent moon plate 8 is contacted with the bayonet 4, the bayonet 4 slides along the inner arc edge of the crescent moon plate 8 as the transverse plate 7 is pressed down continuously, and the arc edge of the crescent moon plate 8 is positioned below the rotating shaft 3, so that the extrusion force between the bayonet 4 and the bayonet 8 is gradually increased (the end, finally, the bayonet 4 enters the bayonet groove 9 (the bayonet 4 is prevented from slipping due to extrusion force and arc edge), and the installation is finished at the moment;

the device has all seted up axle bed 14 at the both ends of steel axle 15, on diaphragm 7 and handle 11 promptly, and axle bed 14 and diaphragm 7, axle bed 14 and handle 11 trompil as an organic whole of moulding plastics to improve the joint strength of steel axle 15, made the device not fragile when using handle 11 operation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The wide-temperature miniature combined current transformer comprises a main body (1) and is characterized in that an end cover (2) is installed at one end of the main body (1) in a matched mode, rotating shafts (3) are fixedly connected to the two sides of the end cover (2), the rotating shafts (3) are coaxial, the rotating shafts (3) and the end cover (2) are mutually perpendicular, clamping pins (4) are fixedly connected to the two sides of the main body (1), the clamping pins (4) are symmetrically distributed relative to the main body (1), the clamping pins (4) and the main body (1) are mutually perpendicular, side plates (5) are installed at the two sides of the end cover (2) in a matched mode, the side plates (5) are symmetrically distributed relative to the end cover (2), round holes (6) are formed in the bottom ends of the side plates (5), the round holes (6) penetrate through the two sets of side plates (5), and the two sets of rotating shafts (3) are respectively in rotating connection with the, top fixedly connected with diaphragm (7) of curb plate (5), just diaphragm (7) are the level form with main part (1), the both sides of main part (1) are matchd and are installed crescent moon board (8), just crescent moon board (8) are the symmetric distribution about main part (1), the top of crescent moon board (8) all is fixed connection with diaphragm (7), just crescent moon board (8) are located one side that end cover (2) were kept away from in bayonet lock (4), crescent moon board (8) are located bayonet lock (4) and all match and have seted up draw-in groove (9), just bayonet lock (4) all are cup joint with draw-in groove (9).

2. The miniature combined current transformer of claim 1, wherein a square groove (10) is formed at the top end of the transverse plate (7), the square groove (10) penetrates through the transverse plate (7), a handle (11) is sleeved in the square groove (10) in a matching manner, a hollow groove (12) is formed at the top end of the handle (11), and the hollow groove (12) penetrates through the handle (11).

3. The miniature combined current transformer with wide temperature range according to claim 2, wherein the bottom of one end of the handle (11) is provided with an arc-shaped groove (13) in the hollow-out groove (12), and the top of one end of the handle (11) far away from the arc-shaped groove (13) is provided with a shaft seat (14), and the shaft seats (14) are symmetrically distributed on two sides of the handle (11).

4. The wide-temperature miniature combined current transformer according to claim 3, wherein the axle seats (14) are slidably sleeved with steel axles (15) at the axle centers of two ends far away from each other, and the axle seats (14) are symmetrically distributed about the steel axles (15).

5. The wide-temperature miniature combined current transformer according to claim 1, wherein the bottom of each of the two ends of the end cover (2) and the main body (1) away from each other is fixedly connected with a fixing lug (16), the fixing lugs (16) are symmetrically distributed in relation to the width direction of the main body (1), the top ends of the fixing lugs (16) are provided with fixing holes (17), and the fixing holes (17) are all penetrated through the fixing lugs (16).

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