CN213935864U

CN213935864U - Combined current transformer

Info

Publication number: CN213935864U
Application number: CN202120233058.6U
Authority: CN
Inventors: 王科
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-08-10
Anticipated expiration: 2031-01-27

Abstract

The utility model discloses a modular current transformer relates to the alternating current transformer field, including the mutual-inductor, the mutual-inductor top is fixed with the wiring end, the mutual-inductor both sides all are provided with installation mechanism, two the one end that mutual-inductor was kept away from to installation mechanism is connected with guide mechanism's both ends respectively, compares with prior art, the beneficial effects of the utility model are that: according to the position of the P-shaped character on the mutual inductor, the moving block slides in the sliding groove through the sliding block to adjust the parallel position of the limiting ring and the P, until the parallel position of the limiting ring and the P is parallel, the screw penetrates through the jack from the moving groove close to one side of the mutual inductor and then penetrates out from the moving groove on the other side of the mutual inductor to be in threaded connection with the nut, the position of the limiting ring on the moving block can be limited, the position of the limiting ring is unchanged, a lead can penetrate through the limiting ring and then penetrates through the mutual inductor with the P position, and the position of the lead can not be changed.

Description

Combined current transformer

Technical Field

The utility model relates to a current transformer specifically is a modular current transformer.

Background

The threading end of the three combined current transformers has a character P1, which indicates that a lead needs to be threaded at the position P1, otherwise, the problem of inaccurate numerical value occurs when metering is performed, and the phenomenon of reversal also occurs in a used mechanical watch; in the prior art, three threading ports of many combined current transformers are inconvenient to position a wire to be threaded, and certain defects exist. Accordingly, one skilled in the art provides a combined current transformer to solve the problems set forth in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modular current transformer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a combined current transformer comprises a transformer, wherein a wiring end is fixed at the top of the transformer, mounting mechanisms are arranged on two sides of the transformer, and one ends of the two mounting mechanisms, which are far away from the transformer, are respectively connected with two ends of a guide mechanism;

the mounting mechanism comprises a U-shaped clamp, a plurality of anti-skidding teeth are fixed at the bottom end of the inner wall of the U-shaped clamp, an inclined tooth screw groove is formed in the top end of the inner wall of the U-shaped clamp, the U-shaped clamp is in threaded connection with an inclined screw tooth on the outer wall of the bottom end of the connecting rod through the inclined tooth screw groove, an anti-skidding cushion is fixed at one end, penetrating through the inclined tooth screw groove, of the connecting rod, parallel screw teeth are formed in the outer wall of the top end of the connecting rod, and a knob is fixed at the top of the connecting rod;

the guide mechanism comprises a fixing plate and three nuts, wherein a second moving groove is formed in the top of the fixing plate, parallel tooth grooves are formed in two sides, far away from one end of the mutual inductor, of the fixing plate, the first moving groove is formed between the two parallel tooth grooves in the fixing plate, three moving blocks are inserted into the second moving groove, sliding grooves are formed in two inner walls, located in the second moving groove, of the fixing plate, sliding blocks are fixed on the side walls, located at the front end and the rear end of each moving block, are connected in a sliding mode through sliding blocks and sliding grooves, inserting holes are formed in the lower portions, located at the sliding blocks, of the moving blocks, the sliding blocks are connected with screws in an inserting mode through the inserting holes formed in the sliding blocks, and limiting rings are fixed at the tops of the three moving blocks.

As a further aspect of the present invention: two installation mechanism's connecting rod all is through parallel thread tooth and two parallel tooth's socket threaded connection on the fixed plate, and two installation mechanism's knob all is located the one end that the U type was pressed from both sides is kept away from to the fixed plate.

As a further aspect of the present invention: the first moving groove is communicated with the second moving groove, and the bottoms of the three moving blocks are in contact with the bottom end of the inner wall of the first moving groove.

As a further aspect of the present invention: the diameter of the outer wall of each nut is larger than the height of the inner wall of the first moving groove, and the screws penetrate through the insertion holes, so that the screws are connected with the three nuts in a threaded mode.

As a further aspect of the present invention: the thickness dimension of the three moving blocks is equal to the thickness dimension of the inner part of the second moving groove.

As a further aspect of the present invention: the anti-skid pads of the two mounting mechanisms and the anti-skid teeth are respectively in contact with two ends of the side wall, close to the mutual inductor.

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

1. the two U-shaped clamps are respectively sleeved on the outer walls of the two sides of the mutual inductor, and the connecting rod is driven to rotate by rotating the knob, so that the two U-shaped clamps move towards one end close to the fixed plate, the plurality of anti-skid teeth can abut against the side wall of the mutual inductor, and the two anti-skid pads abut against the side wall of the other side, so that the device is convenient to install;

2. according to the position of the P-shaped character on the mutual inductor, the moving block slides in the sliding groove through the sliding block to adjust the parallel position of the limiting ring and the P, until the parallel position of the limiting ring and the P is parallel, the screw penetrates through the jack from the moving groove close to one side of the mutual inductor and then penetrates out from the moving groove on the other side of the mutual inductor to be in threaded connection with the nut, the position of the limiting ring on the moving block can be limited, the position of the limiting ring is unchanged, a lead can penetrate through the limiting ring and then penetrates through the mutual inductor with the P position, and the position of the lead can not be changed.

Drawings

FIG. 1 is a schematic diagram of a top view of a combined current transformer;

FIG. 2 is a schematic diagram of a partially disassembled structure of a mounting mechanism in a combined current transformer;

fig. 3 is a schematic diagram of a split structure of a guiding mechanism in a combined current transformer.

In the figure: 1. a transformer; 2. a terminal; 3. an installation mechanism; 31. a U-shaped clamp; 32. anti-slip teeth; 33. helical thread grooves; 34. a connecting rod; 35. helical teeth; 36. parallel screw teeth; 37. a knob; 38. a non-slip mat; 4. a guide mechanism; 41. a fixing plate; 42. parallel tooth grooves; 43. a first moving groove; 44. a second moving groove; 45. a moving block; 46. a chute; 47. a slider; 48. a jack; 49. a limiting ring; 410. a screw; 411. and (4) a nut.

Detailed Description

Referring to fig. 1-3, in an embodiment of the present invention, a combined current transformer includes a transformer 1, a terminal 2 is fixed on a top of the transformer 1, mounting mechanisms 3 are respectively disposed on two sides of the transformer 1, and ends of the two mounting mechanisms 3 away from the transformer 1 are respectively connected to two ends of a guiding mechanism 4;

the mounting mechanism 3 comprises a U-shaped clamp 31, a plurality of anti-skidding teeth 32 are fixed at the bottom end of the inner wall of the U-shaped clamp 31, an inclined tooth thread groove 33 is formed in the top end of the inner wall of the U-shaped clamp 31, the U-shaped clamp 31 is in threaded connection with an inclined thread tooth 35 on the outer wall of the bottom end of a connecting rod 34 through the inclined tooth thread groove 33, an anti-skidding pad 38 is fixed at one end of the connecting rod 34 penetrating through the inclined tooth thread groove 33, a parallel thread tooth 36 is formed in the outer wall of the top end of the connecting rod 34, and a knob 37 is fixed at the top of the connecting rod 34;

guide mechanism 4 includes fixed plate 41 and three nut 411, fixed plate 41 top is opened and is chiseled No. two shifting chutes 44, the both sides that 1 one end of mutual-inductor was kept away from to fixed plate 41 have all been dug parallel tooth's socket 42, fixed plate 41 is located and is dug No. one shifting chute 43 between two parallel tooth's socket 42, No. two inside the inserting of shifting chute 44 are equipped with three movable block 45, fixed plate 41 is located the both sides inner wall of No. two shifting chutes 44 and has all been dug spout 46, both ends lateral wall all is through being fixed with slider 47 and spout 46 sliding connection around three movable block 45, three movable block 45 is located the below of slider 47 and has all been dug jack 48, three slider 47 all alternates with screw 410 through the jack 48 who has been dug and is connected, the top of three movable block 45 all is fixed with spacing ring 49.

The connecting rods 34 of the two mounting mechanisms 3 are in threaded connection with the two parallel tooth grooves 42 on the fixing plate 41 through the parallel screw teeth 36, and the knobs 37 of the two mounting mechanisms 3 are located at one end of the fixing plate 41 far away from the U-shaped clamp 31.

The first moving groove 43 is communicated with the second moving groove 44, and the bottoms of the three moving blocks 45 are in contact with the bottom end of the inner wall of the first moving groove 43.

The diameter of the outer wall of the three nuts 411 is larger than the height of the inner wall of the first moving groove 43, and one end of the three screws 410 passing through the insertion holes 48 is respectively in threaded connection with the three nuts 411.

The thickness dimension of the three moving blocks 45 is equal to the thickness dimension of the inside of the second moving groove 44.

The anti-skid pads 38 and the anti-skid teeth 32 of the two mounting mechanisms 3 are respectively contacted with two ends of the side wall close to the mutual inductor 1.

The utility model discloses a theory of operation is: the two U-shaped clamps 31 are respectively sleeved on the outer walls of the two sides of the mutual inductor 1, the connecting rod 34 is driven to rotate by rotating the knob 37, so that the two U-shaped clamps 31 move towards one end close to the fixing plate 41, the plurality of anti-skid teeth 32 can abut against the side wall of the mutual inductor 1, and the two anti-skid pads 38 abut against the side wall of the other side, so that the device is convenient to install;

according to the character of P1 on the transformer 1, the moving block 45 slides in the sliding groove 46 through the sliding block 47 to adjust the parallel positions of the limiting rings 49 and the P1 until the two are parallel, the screw 410 penetrates through the jack 48 from the first moving groove 43 close to one side of the transformer 1 and then penetrates out from the first moving groove 43 on the other side to be in threaded connection with the nut 411, the position of the limiting ring 49 on the moving block 45 can be limited, the position of the limiting ring 49 is unchanged, a lead can penetrate through the limiting ring 49 and then penetrates through the transformer 1 together with the position of P1, and the position of the lead is determined to be not changed.

The above-mentioned, 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

1. The combined current transformer is characterized by comprising a transformer (1), wherein a wiring terminal (2) is fixed at the top of the transformer (1), mounting mechanisms (3) are arranged on two sides of the transformer (1), and one ends of the two mounting mechanisms (3) far away from the transformer (1) are respectively connected with two ends of a guide mechanism (4);

the mounting mechanism (3) comprises a U-shaped clamp (31), a plurality of anti-skidding teeth (32) are fixed at the bottom end of the inner wall of the U-shaped clamp (31), helical screw grooves (33) are formed in the top end of the inner wall of the U-shaped clamp (31), the U-shaped clamp (31) is in threaded connection with helical screw teeth (35) on the outer wall of the bottom end of a connecting rod (34) through the helical screw grooves (33), an anti-skidding pad (38) is fixed at one end, penetrating through the helical screw grooves (33), of the connecting rod (34), parallel screw teeth (36) are formed in the outer wall of the top end of the connecting rod (34), and a knob (37) is fixed at the top of the connecting rod (34);

the guide mechanism (4) comprises a fixed plate (41) and three screw caps (411), wherein a second moving groove (44) is formed in the top of the fixed plate (41), parallel tooth grooves (42) are formed in two sides, far away from one end of the mutual inductor (1), of the fixed plate (41), a first moving groove (43) is formed between the two parallel tooth grooves (42) of the fixed plate (41), three moving blocks (45) are inserted into the second moving groove (44), sliding grooves (46) are formed in inner walls, located on two sides of the second moving groove (44), of the fixed plate (41), the front end side walls and the rear end side walls of the three moving blocks (45) are connected with the sliding grooves (46) in a sliding mode through fixed sliding blocks (47), inserting holes (48) are formed in the positions, below the three moving blocks (45) are located on the sliding blocks (47), and the three sliding blocks (47) are connected with screws (410) in an inserting mode through the arranged inserting holes (48), limiting rings (49) are fixed at the tops of the three moving blocks (45).

2. The combined current transformer according to claim 1, characterized in that the connecting rods (34) of the two mounting mechanisms (3) are each threadedly connected to two parallel tooth sockets (42) on the fixing plate (41) by parallel screw threads (36), and the knobs (37) of the two mounting mechanisms (3) are each located at an end of the fixing plate (41) remote from the clevis (31).

3. The combined current transformer according to claim 1, wherein the first moving groove (43) is communicated with the second moving groove (44), and the bottoms of the three moving blocks (45) are all in contact with the bottom end of the inner wall of the first moving groove (43).

4. The combined current transformer according to claim 1, wherein the diameter of the outer wall of three nuts (411) is larger than the height of the inner wall of the first moving slot (43), and one end of three screws (410) passing through the insertion hole (48) is respectively in threaded connection with the three nuts (411).

5. The combined current transformer according to claim 1, characterized in that the thickness dimension of each of the three moving blocks (45) is equal to the thickness dimension inside the second moving groove (44).

6. The combined current transformer according to claim 1, wherein the anti-slip pads (38) and the anti-slip teeth (32) of the two mounting mechanisms (3) are respectively in contact with two ends of the side wall close to the transformer (1).