CN212257099U

CN212257099U - Prevent module and prevent open circuit current transformer that open circuit

Info

Publication number: CN212257099U
Application number: CN202021071132.0U
Authority: CN
Inventors: 朱松
Original assignee: Suzhou Sanxiang Intelligent Technology Co ltd
Current assignee: Suzhou Sanxiang Intelligent Technology Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2020-12-29
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses a prevent module and prevent current transformer that opens a way, including base and current transformer body, the top fixed mounting of base has the supporting shoe, and the top of supporting shoe is fixed to be equipped with the installation piece, and the mounting groove has been seted up to current transformer body's bottom, and the mounting groove inlays with the installation piece to be established and is connected, and the draw-in groove has all been seted up to the both sides cell wall of mounting groove, and the equal fixed mounting in both sides of installation piece bottom has block mechanism, and the middle part fixed mounting on current transformer body top has the fixed block. The utility model discloses an installation piece inlays with the mounting groove and establishes to alternate with the draw-in groove through L type piece and be connected, through the flexible of buffer spring control L type piece, the installation and the dismantlement of the current transformer body of being convenient for drive the lift of insulating arc piece through the promotion of button, be convenient for firmly be fixed in the inside of connecting hole with the terminal through insulating arc piece, avoid the wiring to drop, influence the use of current transformer body.

Description

Prevent module and prevent open circuit current transformer that open circuit

Technical Field

The utility model relates to an electrical equipment technical field, in particular to prevent open circuit module and prevent open circuit current transformer.

Background

The current transformer is an instrument for measuring by converting a large primary side current into a small secondary side current according to the electromagnetic induction principle. The current transformer is composed of a closed iron core and a winding. The primary side winding of the current transformer has few turns and is connected in series in a circuit of current to be measured, so that all current of the circuit always flows through the current transformer, the secondary side winding has more turns and is connected in series in a measuring instrument and a protection circuit, and when the current transformer works, the secondary side circuit of the current transformer is always closed, so that the impedance of the series coil of the measuring instrument and the protection circuit is very small, and the working state of the current transformer is close to short circuit. The current transformer converts large current on the primary side into small current on the secondary side for measurement, the secondary side can not be opened, and the work principle, parameter description, classification, use introduction and the like of the current transformer are introduced by terms.

Current current transformer does not have fixed establishment between the in-process plug of installation and the wiring hole, when current transformer received external force collision, caused the wiring to drop easily to influence current transformer's normal use, current transformer generally fixes through the screw in addition, current transformer's the installation and the dismantlement of being not convenient for, thereby inconvenient current transformer's maintenance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent open circuit module and prevent open circuit 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: an open-circuit prevention module and an open-circuit prevention current transformer comprise a base and a current transformer body, wherein a supporting block is fixedly arranged at the top end of the base, the top end of the supporting block is fixedly provided with an installation block, the bottom end of the current transformer body is provided with an installation groove, the mounting groove is embedded and connected with the mounting block, the groove walls on both sides of the mounting groove are provided with clamping grooves, the two sides of the bottom end of the mounting block are fixedly provided with clamping mechanisms, the middle part of the top end of the current transformer body is fixedly provided with a fixed block, both ends of one side of the two fixed blocks are provided with wiring holes, the through-hole has all been seted up to the both sides on fixed block top, two the inside of through-hole all alternates and is connected with the button, two the equal fixed mounting in bottom of button has the connecting rod, two the equal fixed mounting in bottom of connecting rod has insulating arc piece, two the both sides of button are provided with fixed establishment.

Preferably, block mechanism includes two L type pieces, L type groove, two have all been seted up to the both sides of installation piece the inside in L type groove all inlays and is equipped with L type piece, two one side cell wall equidistance fixed mounting in L type groove has a plurality of buffer spring, and is a plurality of buffer spring's one end and one side fixed connection who corresponds L type piece.

Preferably, the fixed establishment includes two lugs, the spacing groove has all been seted up to the both sides of button, two the equal fixed mounting of one side cell wall of spacing groove has spacing spring, two the equal fixed mounting of one end of spacing spring has the lug, the arc wall has all been seted up to through-hole both sides pore wall and top and bottom, two the lug inlays to establish with two arc walls that correspond and is connected.

Preferably, the size of the mounting block is matched with the inner diameter of the mounting groove, and the surface of the mounting block is provided with anti-skid grains which are uniformly distributed.

Preferably, a sealing strip is attached to the joint of the button and the through hole.

Preferably, threaded holes are formed in four corners of the top end of the base, and the inside of each threaded hole is connected with a knob in a threaded mode.

The utility model discloses a technological effect and advantage:

(1) the installation block is embedded in the installation groove, the L-shaped block is connected with the clamping groove in an inserting and penetrating manner, and the expansion of the L-shaped block is controlled through the buffer spring, so that the installation and the disassembly of the current transformer body are facilitated;

(2) the promotion through the button drives the lift of insulating arc piece, is convenient for firmly be fixed in the inside of connecting hole with the terminal through insulating arc piece, avoids the wiring to drop, influences the use of current transformer body.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic cross-sectional structure diagram of the present invention.

Fig. 3 is an enlarged view of fig. 2A according to the present invention.

Fig. 4 is the schematic view of the cross-sectional structure of the fixing block of the present invention.

Fig. 5 is an enlarged view of fig. 4B according to the present invention.

In the figure: 1. a base; 2. a knob; 3. a support block; 4. a current transformer body; 5. a fixed block; 6. a wiring hole; 7. a button; 8. mounting grooves; 9. mounting blocks; 10. an L-shaped groove; 11. a buffer spring; 12. an L-shaped block; 13. a card slot; 14. a through hole; 15. an arc-shaped slot; 16. an insulating arc block; 17. a limiting groove; 18. a limiting spring; 19. and (4) a bump.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an open-circuit prevention module and an open-circuit prevention current transformer as shown in figures 1-5, which comprises a base 1 and a current transformer body 4, wherein a supporting block 3 is fixedly arranged at the top end of the base 1, an installation block 9 is fixedly arranged at the top end of the supporting block 3, an installation groove 8 is arranged at the bottom end of the current transformer body 4, the installation groove 8 is connected with the installation block 9 in an embedding way, clamping grooves 13 are respectively arranged on the two side groove walls of the installation groove 8, clamping mechanisms are respectively and fixedly arranged on the two sides of the bottom end of the installation block 9, a fixed block 5 is fixedly arranged at the middle part of the top end of the current transformer body 4, wiring holes 6 are respectively arranged at the two ends of one side of the two fixed blocks 5, through holes 14 are respectively arranged on the two sides of the top end of the fixed block 5, buttons 7 are respectively and alternately arranged, two sides of the two buttons 7 are provided with fixing mechanisms;

the clamping mechanism comprises two L-shaped blocks 12, L-shaped grooves 10 are formed in two sides of the mounting block 9, the L-shaped blocks 12 are embedded in the two L-shaped grooves 10, a plurality of buffer springs 11 are fixedly mounted on the groove walls of one sides of the two L-shaped grooves 10 at equal intervals, one ends of the buffer springs 11 are fixedly connected with one sides of the corresponding L-shaped blocks 12, the L-shaped blocks 12 are driven to stretch by the extrusion force of the buffer springs 11, and the L-shaped blocks 12 are convenient to embed and separate one ends of the L-shaped blocks 12 from the clamping grooves 13 by stretching of the L-shaped blocks 12, so that the installation block 9 is convenient to embed and separate from the mounting groove 8;

the fixing mechanism comprises two convex blocks 19, limiting grooves 17 are formed in two sides of the button 7, limiting springs 18 are fixedly mounted on one side groove walls of the two limiting grooves 17, the convex blocks 19 are fixedly mounted at one ends of the two limiting springs 18, the convex blocks 19 are embedded with the arc-shaped grooves 15 by controlling the telescopic movement of the convex blocks 19 of the limiting springs 18, so that the button 7 is fixed, the arc-shaped grooves 15 are formed in the hole walls, the tops and the bottoms of two sides of the through hole 14, and the two convex blocks 19 are embedded with the corresponding two arc-shaped grooves 15 and connected;

the size of installation piece 9 and the internal diameter phase-match of mounting groove 8, and the surface of installation piece 9 sets up evenly distributed's anti-skidding line, through the anti-skidding line of seting up, increases the frictional force of installation piece 9 and mounting groove 8, and button 7 pastes with the junction of through-hole 14 and is equipped with the sealing strip, and four edges on base 1 top all set up threaded hole, and the equal threaded connection in inside of four threaded holes has knob 2, through threaded connection's knob 2, the base 1's of being convenient for installation.

The utility model discloses the theory of operation: when this current transformer that opens way of needs installation, at first artificial promotion two L type pieces 12, make two L type pieces 12 inlay and establish to the inside of L type groove 10, inlay installation piece 9 and establish to the inside of the mounting groove 8 that current transformer body 4 bottom was seted up, then artificial two L type pieces 12 of releasing, two L type pieces 12 promote even L type piece 12 through buffer spring 11's extrusion force and inlay the inside of establishing to draw-in groove 13, accomplish the installation of current transformer body 4, then artificial inserts the inside of wiring hole 6 with external connector, then two artificial promotion buttons 7, through the decline of the insulating arc piece 16 of the promotion of button 7, make insulating arc piece 16 and plug contact, firmly fix plug and wiring hole 6, guarantee the wiring stability, avoid not hard up the use that connects the influence current transformer body 4.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An open-circuit prevention module and an open-circuit prevention current transformer comprise a base (1) and a current transformer body (4), and are characterized in that a supporting block (3) is fixedly mounted at the top end of the base (1), an installation block (9) is fixedly arranged at the top end of the supporting block (3), an installation groove (8) is formed in the bottom end of the current transformer body (4), the installation groove (8) is connected with the installation block (9) in an embedded manner, clamping grooves (13) are formed in groove walls on two sides of the installation groove (8), clamping mechanisms are fixedly mounted on two sides of the bottom end of the installation block (9), a fixed block (5) is fixedly mounted in the middle of the top end of the current transformer body (4), wiring holes (6) are formed in two ends of one side of each fixed block (5), through holes (14) are formed in two sides of the top end of each, two the inside of through-hole (14) all alternates and is connected with button (7), two the equal fixed mounting in bottom of button (7) has the connecting rod, two the equal fixed mounting in bottom of connecting rod has insulating arc piece (16), two the both sides of button (7) are provided with fixed establishment.

2. The open-circuit prevention module and the open-circuit prevention current transformer as claimed in claim 1, wherein the locking mechanism comprises two L-shaped blocks (12), two sides of the mounting block (9) are both provided with L-shaped grooves (10), the two L-shaped grooves (10) are both embedded with the L-shaped blocks (12), a plurality of buffer springs (11) are fixedly mounted on one side of the two L-shaped grooves (10) at equal intervals, and one ends of the plurality of buffer springs (11) are fixedly connected with one side of the corresponding L-shaped block (12).

3. The open-circuit prevention module and the open-circuit prevention current transformer as claimed in claim 1, wherein the fixing mechanism comprises two protrusions (19), the two sides of the button (7) are both provided with a limiting groove (17), one side groove wall of the two limiting grooves (17) is both fixedly provided with a limiting spring (18), one end of each of the two limiting springs (18) is both fixedly provided with a protrusion (19), the two side hole walls and the top and the bottom of the through hole (14) are both provided with an arc-shaped groove (15), and the two protrusions (19) are embedded and connected with the corresponding two arc-shaped grooves (15).

4. The open-circuit prevention module and the open-circuit prevention current transformer as claimed in claim 1, wherein the size of the mounting block (9) is matched with the inner diameter of the mounting groove (8), and the surface of the mounting block (9) is provided with evenly distributed anti-slip lines.

5. The open-circuit prevention module and the open-circuit prevention current transformer as claimed in claim 1, wherein a sealing strip is attached to a joint of the button (7) and the through hole (14).

6. The open-circuit prevention module and the open-circuit prevention current transformer as claimed in claim 1, wherein four corners of the top end of the base (1) are provided with threaded holes, and the insides of the four threaded holes are connected with knobs (2) in a threaded manner.