CN217035383U

CN217035383U - Novel current transformer

Info

Publication number: CN217035383U
Application number: CN202122882623.4U
Authority: CN
Inventors: 杜志雄
Original assignee: Shenzhen Kangshuo Technology Co ltd
Current assignee: Shenzhen Kangshuo Technology Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-07-22
Anticipated expiration: 2031-11-23

Abstract

The utility model relates to a novel current transformer which comprises a base, an upper semicircular casting body, a lower semicircular casting body, arc-shaped fixing blocks, fixing grooves, a first groove and a second groove, wherein the lower semicircular casting body is fixed at the center of the top of the base, the arc-shaped fixing blocks are fixed at the centers of the two ends of the bottom of the upper semicircular casting body, one side of each arc-shaped fixing block is provided with a clamping groove, the two ends of the top of the lower semicircular casting body are provided with the fixing grooves, the first groove is formed in one side, located inside the fixing grooves, of the lower semicircular casting body, and a first compression spring is fixed at one end, located inside the first groove, of the lower semicircular casting body. Has the advantages that: first compression spring drives the arc guide arm and gets into first recess, and after the arc fixed block got into the fixed slot, first compression spring's elasticity entered into the draw-in groove of arc fixed block with the arc guide arm, realized stably fixed, and the connection status is inseparable, and the position is injectd reliable and stable, does not need any bolt class connecting piece to connect reasonable in design ingenious, and practical value is high.

Description

Novel current transformer

Technical Field

The utility model relates to the technical field of current mutual inductance correlation, in particular to a novel current transformer.

Background

The current transformer works on the principle of electromagnetic induction and generally consists of a closed iron core and a winding. The current transformer mainly has the function of converting large current into standard small current in proportion so as to realize standardization and miniaturization of measuring instruments, protective equipment and automatic control equipment. The straight-through current transformer is composed of an annular iron core, a secondary coil wound on the annular iron core, an insulating shell and the like.

However, the current transformer in this form is inconvenient when the cable is firstly inserted, and the circuit needs to be disconnected and installed and then reconnected when the circuit is replaced again after the circuit is completely connected, so that the transformer with a completely closed loop is extremely inconvenient to use; also there are some split type current transformer now, but generally adopt screw or iron hoop to connect, connect and need more instrument, it is inconvenient to use, and the part of connecting usefulness also is mostly iron material, uses to measure and has the deviation, and practicality is poor, to this we propose a novel current transformer.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a novel current transformer, which solves the problems set forth in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel current transformer comprises a base, an upper semicircular casting body, a lower semicircular casting body, an arc-shaped fixed block, a fixed groove, a first groove and a second groove, wherein the lower semicircular casting body is fixed at the center of the top of the base, the arc-shaped fixed block is fixed at the center of the two ends of the bottom of the upper semicircular casting body, a clamping groove is formed in one side of the arc-shaped fixed block, the fixed groove is formed in the two ends of the top of the lower semicircular casting body, the first groove is formed in one side of the lower semicircular casting body, which is positioned in the fixed groove, a first compression spring is fixed at one end of the lower semicircular casting body, which is positioned in the first groove, an arc-shaped clamping rod is fixed at the top of the first compression spring, a connecting rod is fixed at the center of the bottom end of the arc-shaped clamping rod, the connecting rod movably penetrates through the first compression spring, a hole is formed in one side of the first groove on the lower semicircular casting body, and one end of the connecting rod movably penetrates through the hole and is fixed with a pull ring.

Furthermore, a second groove is formed in the other side, located inside the fixing groove, of the lower semicircular pouring body, a second compression spring is fixed to the bottom of the second groove, and an arc-shaped block is fixed to the top of the second compression spring.

Furthermore, an arc-shaped groove matched with the arc-shaped block is formed in the other side of the arc-shaped fixing block.

Furthermore, the size of the arc-shaped fixing block is matched with that of the fixing groove.

Furthermore, the size of the clamping groove is matched with that of the arc-shaped clamping rod.

Furthermore, the top of the arc-shaped clamping rod penetrates and extends to one side of the inside of the fixing groove.

Compared with the prior art, the utility model has the following beneficial effects: enter into the fixed slot through the arc fixed block, realize the stable connection of the body of the semicircle casting and the body of the semicircle casting down, one side arc wall and the mutual joint of arc block of arc fixed block, it is fixed to realize one side of arc fixed block, drive the arc guide arm through the pull ring with first compression spring and get into first recess, after the arc fixed block got into the fixed slot, the elasticity through first compression spring entered into the draw-in groove of arc fixed block with the arc guide arm, realize stable fixed, the connection status is inseparable, the position is injectd stably and reliably, do not need any bolt class connecting piece to connect, reasonable in design is ingenious, practical value is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic diagram of a novel current transformer implemented in accordance with the present invention;

FIG. 2 is a schematic diagram of the structure of a novel current transformer implemented in accordance with the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 2;

reference numerals:

1. a base; 2. casting the upper semicircle; 3. a lower semicircle casting body; 31. a hole; 4. an arc-shaped fixed block; 41. a card slot; 42. an arc-shaped slot; 5. a fixing groove; 6. a first groove; 61. a first compression spring; 62. An arc-shaped guide rod; 63. a connecting rod; 64. a pull ring; 7. a second groove; 71. a second compression spring; 72. An arc-shaped block.

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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; 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 meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Referring to fig. 1-4, a novel current transformer according to the present invention comprises a base 1, an upper semicircular casting body 2, a lower semicircular casting body 3, an arc-shaped fixing block 4, a fixing groove 5, a first groove 6 and a second groove 7, wherein the lower semicircular casting body 3 is fixed at the center of the top of the base 1, the arc-shaped fixing block 4 is fixed at the center of the two ends of the bottom of the upper semicircular casting body 2, one side of the arc-shaped fixing block 4 is provided with a clamping groove 41, the two ends of the top of the lower semicircular casting body 3 are provided with the fixing groove 5, the first groove 6 is provided at one side of the lower semicircular casting body 3 located inside the fixing groove 5, a first compression spring 61 is fixed at one end of the lower semicircular casting body 3 located inside the first groove 6, an arc-shaped clamping rod 62 is fixed at the top of the first compression spring 61, a connecting rod 63 is fixed at the center of the bottom end of the arc-shaped clamping rod 62, the connecting rod 63 movably penetrates through the first compression spring 61, one side of the lower semi-circle cast body 3, which is located in the first groove 6, is provided with a hole 31, and one end of the connecting rod 63 movably penetrates through the hole 31 and is fixed with a pull ring 64.

Wherein, second recess 7 has been seted up to the inside opposite side that lies in fixed slot 5 on the lower semicircle pouring body 3, and second recess 7 bottom is fixed with second compression spring 71, and second compression spring 71 top is fixed with arc piece 72, realizes fixing a side of arc fixed block 4.

Wherein, the arc-shaped block 72 assorted arc-shaped groove 42 is opened to the opposite side of arc-shaped fixed block 4, realizes the joint.

Wherein, the size of the arc-shaped fixing block 4 is matched with the size of the fixing groove 5, so that the connection of the upper semicircle casting body and the lower semicircle casting body is realized.

The size of the clamping groove 41 is matched with that of the arc-shaped clamping rod 62, and the clamping groove is supported and fixed.

Wherein, the top of the arc-shaped clamping rod 62 extends to one side inside the fixing groove 5.

Principle of operation

According to the scheme, the novel current transformer enters the fixed groove through the arc-shaped fixed block in the using process, the upper semi-circular casting body and the lower semi-circular casting body are stably connected, the arc-shaped groove on one side of the arc-shaped fixed block is mutually clamped with the arc-shaped block, one side of the arc-shaped fixed block is fixed, the first compression spring drives the arc-shaped guide rod to enter the first groove through the pull ring, after the arc-shaped fixed block enters the fixed groove, the arc-shaped guide rod enters the clamping groove of the arc-shaped fixed block through the elastic force of the first compression spring, stable fixation is achieved, the connection state is tight, position limitation is stable and reliable, any bolt type connecting piece is not needed for connection, the design is reasonable and ingenious, and the practical value is high.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A novel current transformer comprises a base (1), an upper semicircular casting body (2), a lower semicircular casting body (3), an arc-shaped fixing block (4), a fixing groove (5), a first groove (6) and a second groove (7), and is characterized in that the lower semicircular casting body (3) is fixed at the center of the top of the base (1), the arc-shaped fixing block (4) is fixed at the center of the two ends of the bottom of the upper semicircular casting body (2), a clamping groove (41) is formed in one side of the arc-shaped fixing block (4), the fixing groove (5) is formed in the two ends of the top of the lower semicircular casting body (3), a first groove (6) is formed in one side, located inside the fixing groove (5), of the lower semicircular casting body (3), a first compression spring (61) is fixed at one end, located inside the first groove (6), the top of first compression spring (61) is fixed with arc kelly (62), the bottom center department of arc kelly (62) is fixed with connecting rod (63), connecting rod (63) activity is run through the inside of first compression spring (61), lie in on lower semicircle pouring body (3) hole (31) have been seted up to one side of first recess (6), just connecting rod (63) one end activity is run through hole (31) are fixed with pull ring (64).

2. The novel current transformer according to claim 1, characterized in that a second groove (7) is formed on the other side of the lower semi-circular casting body (3) inside the fixing groove (5), a second compression spring (71) is fixed at the bottom of the second groove (7), and an arc-shaped block (72) is fixed at the top of the second compression spring (71).

3. The novel current transformer as claimed in claim 1, wherein the other side of the arc-shaped fixed block (4) is provided with an arc-shaped groove (42) matched with the arc-shaped block (72).

4. The novel current transformer according to claim 1, characterized in that the size of the arc-shaped fixing block (4) is matched with the size of the fixing groove (5).

5. The novel current transformer according to claim 1, characterized in that the size of the clamping groove (41) is matched with that of the arc-shaped clamping rod (62).

6. The novel current transformer according to claim 1, characterized in that the top of the arc-shaped latch rod (62) extends through to one side inside the fixing groove (5).