CN216389019U

CN216389019U - Quick termination of current transformer

Info

Publication number: CN216389019U
Application number: CN202123265594.3U
Authority: CN
Inventors: 王江
Original assignee: Chongqing Jas Zhilan Energy Management Co ltd
Current assignee: Chongqing Jas Zhilan Energy Management Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-04-26
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a quick wiring device of a current transformer, which comprises: the mutual inductor comprises a mutual inductor and sleeves which are rotatably connected with two ends of the upper surface of the mutual inductor respectively, wherein grooves are formed in the upper ends of the sleeves, the sleeves are electrically connected to internal elements of the mutual inductor, and fixing parts are arranged, the fixing parts comprise supporting rods and through holes, the lower ends of the two supporting rods are respectively connected into the sleeves in a sliding mode, the through holes are arranged on the supporting rods, and the fixing parts are used for fixing the end parts of external electric wires.

Description

Quick termination of current transformer

Technical Field

The utility model relates to the technical field of transformers, in particular to a quick wiring device for a current transformer.

Background

The mutual inductor is also called as a transformer for instruments, is a general name of a current mutual inductor and a voltage mutual inductor, can change high voltage into low voltage and change large current into small current, and is used for measuring or protecting a system.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the following defects in the prior art that when the existing mutual inductor is connected with an external electric wire in use, the electric wire is clamped and fixed on the mutual inductor mostly through a screw, so that when the mutual inductor is detected, the mutual inductor is inconvenient to mount or dismount with the external electric wire, and the working efficiency is low due to slow wiring in detection, and the quick wiring device for the current mutual inductor is provided.

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

a quick termination of current transformer, quick termination of current transformer includes:

the mutual inductor and the two ends of the upper surface of the mutual inductor are respectively rotatably connected with a sleeve, a groove is formed in the upper end of the sleeve, and the sleeve is electrically connected to an internal element of the mutual inductor;

the fixing component comprises support rods and through holes, the lower ends of the two support rods are respectively connected in the sleeve in a sliding manner, the through holes are arranged on the support rods, and the fixing component is used for fixing the end parts of external electric wires;

rotary part, rotary part includes gear, rack board, two the gear cup joints respectively on the sleeve lateral wall, two the equal sliding connection respectively of rack board is in on the mutual-inductor, just the rack board with gear engagement connects.

Preferably, the fixing part further comprises a transverse plate fixedly connected between the two support rods.

Preferably, rotary part still includes down tube, slide bar, smooth chamber, spring, slide bar sliding connection be in on the mutual-inductor, two smooth chamber fixed connection respectively is in on the slide bar, two wherein one end sliding connection respectively is in the smooth intracavity, the down tube other end articulates on the rack plate, spring fixed connection be in the slide bar with on the mutual-inductor lateral wall.

Preferably, the lower end of the mutual inductor is fixedly connected with a base, and two ends of the base are respectively provided with a threaded hole.

Preferably, the two ends of the upper surface of the mutual inductor are respectively and fixedly connected with a fixed block, and the upper end of the fixed block is fixedly connected with a round pipe.

Preferably, the transverse plate is fixedly connected to the slide rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the end of the external electric wire passes through the cylinder and then penetrates into the through hole, the sliding rod is loosened, so that the sliding rod slides downwards under the tension of the spring, the two supporting rods are respectively pushed to move downwards through the transverse plate, and when the electric wire in the through hole slides downwards in the sleeve along with the supporting rods, the electric wire is extruded by the outer side wall of the supporting rod and the inner side wall of the sleeve to achieve the fixing effect.

2. Simultaneously promote two rack plates respectively through the down-shifting of slide bar and keep away from each other to drive the gear and fix the sleeve antiport on the gear, the electric wire of fixing between bracing piece and sleeve this moment can twine on the sleeve along with telescopic rotation, has increased electric wire and telescopic area of contact, reaches the quick linear connection with the mutual-inductor of external electric wire simultaneously.

Drawings

Fig. 1 is a schematic front structural view of a quick wiring device for a current transformer according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is a schematic diagram of a sliding cavity structure of the quick wiring device for the current transformer provided by the utility model.

In the figure: the device comprises a base 1, a mutual inductor 2, a rack plate 3, a diagonal rod 4, a sliding rod 5, a spring 6, a supporting rod 7, a gear 8, a sleeve 9, a through hole 10, a circular tube 11, a fixing block 12, a sliding cavity 13 and a transverse plate 14.

Detailed Description

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

The terms "upper", "lower", "left", "right", "middle" and "one" used in the present invention are for clarity of description, and are not used to limit the scope of the present invention, and the relative relationship between the terms and the modifications may be regarded as the scope of the present invention without substantial technical change.

Referring to fig. 1 to 3, a current transformer quick connection device includes:

mutual-

inductor

2 and 2 upper surface both ends of mutual-inductor rotate the sleeve 9 of connection respectively, the sleeve 9 upper end is seted up flutedly, sleeve 9 electric connection is on 2 internal elements of mutual-inductor, 2 lower extreme fixedly connected with bases 1 of mutual-inductor, threaded hole is seted up respectively at two 1 both ends of base, it can reach the fixed to base 1 and mutual-inductor 2 to pass the screw hole through external screw, 2 upper surface both ends of mutual-inductor are fixedly connected with fixed block 12 respectively, fixed block 12 upper end fixedly connected with pipe 11, when the end fixing of external electric wire is on sleeve 9, pipe 11 has the spacing effect in middle part of the electric wire, it is in disorder to avoid fixing the electric wire on sleeve 9.

Fixed part, fixed part includes bracing piece 7, through-

hole

10, 7 lower extremes of two bracing pieces are sliding connection respectively in sleeve 9, through-hole 10 is installed on bracing piece 7, penetrate external electric wire back in through-hole 10 through the recess, when bracing piece 7 drives the electric wire downstream, the electric wire will be by bracing piece 7 lateral wall and the centre gripping of sleeve 9 inside wall, fixed part still includes diaphragm 14, diaphragm 14 fixed connection is between two bracing pieces 7, fixed part is used for the fixed of external electric wire tip.

The rotary component comprises a gear 8 and a rack plate 3, wherein the two gears 8 are respectively sleeved on the outer side wall of a sleeve 9, when an electric wire is fixed by the sleeve 9 and a supporting rod 7, the electric wire can be wound on the sleeve 9 along with the rotation of the sleeve 9, so that the contact area of the electric wire and the sleeve 9 is enlarged, the two rack plates 3 are respectively connected to a mutual inductor 2 in a sliding way, the rack plate 3 is meshed with the gear 8, the rotary component further comprises an inclined rod 4, a sliding rod 5, a sliding cavity 13, a spring 6, the sliding rod 5 is connected to the mutual inductor 2 in a sliding way, the two sliding cavities 13 are respectively and fixedly connected to the sliding rod 5, one end of each of the two inclined rods 4 is respectively connected to the sliding cavity 13 in a sliding way, the other end of each inclined rod 4 is hinged to the rack plate 3, a transverse plate 14 is fixedly connected to the sliding rod 5, when the sliding rod 5 moves downwards, the inclined rod 4 firstly slides in the sliding cavity 13, and when the sliding rod 5 pushes the supporting rod 7 to move downwards through the transverse plate 14 to fix the electric wire, at the moment, the inclined rod 4 is positioned at the top end inside the sliding cavity 13, the rack plate 3 is pushed by the inclined rod 4 to drive the gear 8 and the sleeve 9 to rotate along with the downward movement of the sliding rod 5, so that the electric wire is wound on the sleeve 9, and the spring 6 is fixedly connected to the upper side walls of the sliding rod 5 and the mutual inductor 2.

In the utility model, when wiring, firstly, the slide bar 5 is pulled upwards, so that the slide bar 5 drives the transverse plate 14 and the support bar 7 to move upwards and simultaneously stretches the spring 6, meanwhile, when the sliding rod 5 moves upwards, the two rack plates 3 are respectively pulled by the inclined rod 4 to move in the middle, the rack plates 3 drive the gear 8 and the sleeve 9 fixed on the gear 8 to rotate, so that the through hole 10 of the support rod 7 coincides with the groove of the sleeve 9, and at this time, the end of the external electric wire is passed through the cylinder 11, then, when the slide bar 5 is inserted into the through hole 10, the slide bar 5 is released, so that the slide bar 5 slides downward under the tension of the spring 6, and the two support rods 7 are respectively pushed to move downwards by the transverse plates, when the electric wire in the through hole 10 slides downwards in the sleeve 9 along with the support rods 7, the electric wire is pressed by the outer side wall of the support rod 7 and the inner side wall of the sleeve 9 to achieve the fixing effect.

Simultaneously promote two rack plates 3 respectively through down rod 4 when slide bar 5 moves down and keep away from each other to drive gear 8 and fix the sleeve 9 antiport on gear 8, the electric wire of fixing between bracing piece 7 and sleeve 9 is along with the rotation of sleeve 9 this moment, can twine on sleeve 9, reach the quick linear connection with mutual-inductor 2 of external electric wire, when dismantling, upwards stimulate slide bar 5, make diaphragm 14 and bracing piece 7 rebound, gear 8 and sleeve 9 do the rotation that resets simultaneously, consequently, can easily pull out the electric wire.

In the present invention, the terms "mounted," "connected," "secured," and the like are to be construed broadly unless otherwise specifically indicated and limited.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The quick termination of current transformer, its characterized in that, quick termination of current transformer includes:

the mutual inductor (2) and sleeves (9) rotatably connected with two ends of the upper surface of the mutual inductor (2) respectively, wherein grooves are formed in the upper ends of the sleeves (9), and the sleeves (9) are electrically connected to internal elements of the mutual inductor (2);

the fixing component comprises supporting rods (7) and through holes (10), the lower ends of the two supporting rods (7) are respectively connected in the sleeve (9) in a sliding mode, the through holes (10) are installed on the supporting rods (7), and the fixing component is used for fixing the end portions of external electric wires;

rotary part, rotary part includes gear (8), rack plate (3), two gear (8) cup joint respectively on sleeve (9) lateral wall, two rack plate (3) equal sliding connection respectively in on mutual-inductor (2), just rack plate (3) with gear (8) meshing is connected.

2. The quick wiring device of the current transformer according to claim 1, characterized in that the fixing component further comprises a transverse plate (14), and the transverse plate (14) is fixedly connected between the two supporting rods (7).

3. The quick wiring device of the current transformer according to claim 2, wherein the rotating component further comprises an inclined rod (4), a sliding rod (5), sliding cavities (13), and a spring (6), the sliding rod (5) is slidably connected to the transformer (2), the two sliding cavities (13) are respectively and fixedly connected to the sliding rod (5), one end of each of the two inclined rods (4) is respectively and slidably connected to the corresponding sliding cavity (13), the other end of each inclined rod (4) is hinged to the rack plate (3), and the spring (6) is fixedly connected to the upper side walls of the sliding rod (5) and the transformer (2).

4. The quick wiring device of the current transformer according to claim 1, wherein the lower end of the transformer (2) is fixedly connected with a base (1), and two ends of the two bases (1) are respectively provided with a threaded hole.

5. The quick wiring device of the current transformer according to claim 1, wherein two ends of the upper surface of the transformer (2) are fixedly connected with fixing blocks (12) respectively, and a round pipe (11) is fixedly connected to the upper ends of the fixing blocks (12).

6. The quick wiring device of the current transformer according to claim 3, wherein the cross plate (14) is fixedly connected to the sliding rod (5).