CN214895483U

CN214895483U - Residual current transformer device

Info

Publication number: CN214895483U
Application number: CN202121519876.9U
Authority: CN
Inventors: 李乐华
Original assignee: Guangdong Zhiwei Zhongsheng Technology Co ltd
Current assignee: Guangdong Zhiwei Zhongsheng Technology Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2021-11-26
Anticipated expiration: 2031-07-05

Abstract

The utility model relates to a residual current transformer technical field specifically is a residual current transformer device, the on-line screen storage device comprises a base, rotate the seat, the iron core, the mount pad, the terminal, lag and coupling mechanism, the inside equal fixed mounting of base and rotation seat has the iron core, the bilateral symmetry fixed mounting of base has the mount pad, the fixed surface of iron core installs the terminal, the surface cover of terminal is equipped with the lag, the lag is provided with coupling mechanism with the junction of iron core, coupling mechanism includes ring channel, draw-in groove, ring block and rubber circle, the ring channel has been seted up to the surface of iron core, the draw-in groove has been seted up to the inner wall of ring channel. The utility model discloses, through setting up this lag, under coupling mechanism's effect, can be directly wrap up the terminal in the inside of lag to avoided the terminal directly to expose in the air, aroused the terminal wiring in-process the condition that contact failure appears to take place, ensured whole mutual-inductor's normal use.

Description

Residual current transformer device

Technical Field

The utility model relates to a residual current transformer technical field especially relates to a residual current transformer device.

Background

The residual current transformer is a detecting element of the earth leakage protector, and the main function of the residual current transformer is to detect the residual current passing through the main circuit of the transformer core, including earth fault currents such as electric shock and electric leakage, and to convert the residual current of the primary circuit into the output voltage of the secondary circuit, which is one of the core components in the earth leakage protector.

Residual current transformer is at the in-process that uses, and sensitivity is very important attribute, and current residual current transformer when not using at ordinary times, and the staff lacks the protection consciousness to the terminal, often exposes in the air between the terminal on the mutual-inductor, because external environment interference factor is more, in the residual current transformer wiring process when causing the next use very easily, the phenomenon of contact failure appears, influences the normal use of mutual-inductor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a residual current transformer device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a residual current transformer device, includes the base, rotates seat, iron core, mount pad, terminal, lag and coupling mechanism, the base has the iron core with the equal fixed mounting in inside of rotating the seat, the bilateral symmetry fixed mounting of base has the mount pad, the outer fixed surface of iron core installs the terminal, the surface cover of terminal is equipped with the lag, the lag is provided with coupling mechanism with the junction of iron core, the base is provided with grafting mechanism with the junction of rotating the seat.

Preferably, the connecting mechanism comprises an annular groove, a clamping groove, an annular block and a rubber ring, the annular groove is formed in the outer surface of the iron core, the clamping groove is formed in the inner wall of the annular groove, the annular block is fixedly mounted at one end, close to the annular groove, of the protecting sleeve, and the rubber ring is sleeved on the outer surface of the annular block.

Preferably, the rubber ring is embedded in the clamping groove.

Preferably, a sponge body is arranged inside the protective sleeve, a jack is formed inside the sponge body, and the wiring terminal is inserted into the jack.

Preferably, a hook is fixedly installed at one end, away from the iron core, of the protective sleeve, hanging pieces are symmetrically and fixedly installed on two sides of the base, and hanging holes are formed in the hanging pieces.

Preferably, the inserting mechanism comprises a fixed block, an inserting block, a slot, a through hole, a connecting hole, a fixture block and a spring, the fixed block and the inserting block are respectively and fixedly mounted on the outer surfaces of the base and the rotating seat, the slot is formed in the fixed block, the through hole is formed in the inner wall of the slot in a symmetrical mode, the connecting hole is formed in the two sides of the inserting block in a symmetrical mode, the fixture block is inserted into the connecting hole, and the spring is fixedly mounted between the fixture block and the connecting hole.

Preferably, the shape of the insertion block is T-shaped, and the fixture block is matched with the size of the through hole.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

1. the utility model discloses in, through setting up this lag, under coupling mechanism's effect, can be directly wrap up the terminal in the inside of lag to avoided the terminal directly to expose in the air, aroused the terminal wiring in-process the condition that contact failure appears to take place, ensured whole mutual-inductor's normal use.

2. The utility model discloses in, through setting up this grafting mechanism, avoided the tradition to take the bolt to fix, frequently screw up to screw out and lead to the junction to appear the phenomenon of deformation, when having guaranteed the base and having rotated the normal connection of seat, also prolonged the life of whole mutual-inductor greatly.

Drawings

Fig. 1 is a perspective view of a residual current transformer device according to the present invention;

fig. 2 is an exploded view of a residual current transformer device according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 of the residual current transformer device according to the present invention;

fig. 4 is the utility model provides a B enlarger in residual current transformer device fig. 2.

Illustration of the drawings:

1. a base; 2. a rotating seat; 3. an iron core; 4. a mounting seat; 5. a binding post; 6. a protective sleeve; 7. an annular groove; 8. a card slot; 9. a ring block; 10. a rubber ring; 11. a sponge body; 12. a jack; 13. hooking; 14. hanging parts; 15. hanging holes; 16. a fixed block; 17. inserting a block; 18. a slot; 19. a through hole; 20. connecting holes; 21. a clamping block; 22. a spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution: a residual current transformer device comprises a base 1, a rotating seat 2, an iron core 3, a mounting seat 4, a binding post 5, a protective sleeve 6 and a connecting mechanism, wherein the iron core 3 is fixedly arranged inside the base 1 and the rotating seat 2, the mounting seat 4 is symmetrically and fixedly arranged on two sides of the base 1, the binding post 5 is fixedly arranged on the outer surface of the iron core 3, the protective sleeve 6 is sleeved on the outer surface of the binding post 5, the connecting mechanism is arranged at the joint of the protective sleeve 6 and the iron core 3 and comprises an annular groove 7, a clamping groove 8, an annular block 9 and a rubber ring 10, the annular groove 7 is arranged on the outer surface of the iron core 3, the clamping groove 8 is arranged on the inner wall of the annular groove 7, the annular block 9 is fixedly arranged at one end, close to the annular groove 7, of the protective sleeve 6, the rubber ring 10 is sleeved on the outer surface of the annular block 9, the rubber ring 10 is embedded inside the clamping groove 8, when a worker needs to use the transformer, at first take off lag 6 from terminal 5, then be connected with terminal 5 can, after having used up, the staff aligns ring channel 7 with ring block 9 this moment, then slowly inserts ring block 9 in ring channel 7, and rubber circle 10 can be along with ring block 9 moves together this moment to the inside motion of ring channel 7, when moving to final position, rubber circle 10 can be embedded into draw-in groove 8 in, thereby fix lag 6.

The inside of lag 6 is provided with cavernosum 11, jack 12 has been seted up to the inside of cavernosum 11, terminal 5 inserts the inside of establishing at jack 12, the one end fixed mounting that iron core 3 was kept away from to lag 6 has couple 13, the bilateral symmetry fixed mounting of base 1 has pendant 14, hanging hole 15 has been seted up to the inside of pendant 14, when lag 6 covers at the surface of terminal 5, in terminal 5 can the disect insertion jack 12 of cavernosum 11, lag 6 when taking off from terminal 5, can directly utilize the cooperation of couple 13 and hanging hole 15, it can directly to hang lag 6 on pendant 14.

The connection part of the base 1 and the rotating seat 2 is provided with an inserting mechanism, the inserting mechanism comprises a fixed block 16, an inserting block 17, an inserting groove 18, a through hole 19, a connecting hole 20, a fixture block 21 and a spring 22, the outer surfaces of the base 1 and the rotating seat 2 are respectively fixedly provided with the fixed block 16 and the inserting block 17, the inserting block 17 is in a T shape, the inserting groove 18 is arranged inside the fixed block 16, the through hole 19 is symmetrically arranged on the inner wall of the inserting groove 18, the connecting holes 20 are symmetrically arranged on two sides of the inserting block 17, the fixture block 21 is inserted inside the connecting hole 20, the fixture block 21 is matched with the through hole 19 in size, the spring 22 is fixedly arranged between the fixture block 21 and the connecting hole 20, when the base 1 and the rotating seat 2 are combined, the inserting block 17 can be slowly inserted into the inserting groove 18 of the fixed block 16, the fixture block 21 can move towards the connecting hole 20 under the extrusion, the spring 22 is compressed, when the base 1 and the rotating seat 2 move to the final position, at this time, the spring 22 rebounds, and the latch block 21 directly latches into the through hole 19, thereby connecting the base 1 and the rotating base 2 together.

The working principle is as follows: when the transformer is needed to be used by a worker, firstly, the protective sleeve 6 is taken down from the wiring terminal 5 and then is connected with the wiring terminal 5, when the protective sleeve 6 is taken down from the wiring terminal 5, the protective sleeve 6 can be directly hung on the hanging piece 14 by directly utilizing the matching action of the hook 13 and the hanging hole 15, after the transformer is used, the worker aligns the annular block 9 with the annular groove 7 at the moment, then the annular block 9 is slowly inserted into the annular groove 7, at the moment, the rubber ring 10 can move along with the annular block 9 and move towards the inside of the annular groove 7, when the transformer is moved to a final position, the rubber ring 10 can be embedded into the clamping groove 8, so that the protective sleeve 6 is fixed, when the protective sleeve 6 is sleeved on the outer surface of the wiring terminal 5, the wiring terminal 5 can be directly inserted into the jack 12 of the sponge body 11, so as to realize effective protection effect on the wiring terminal 5, when the base 1 and the rotating seat 2 are combined, at this moment, the inserting block 17 can be slowly inserted into the inserting groove 18 of the fixing block 16, the fixture block 21 can be squeezed to move into the connecting hole 20, the spring 22 is compressed, when the final position is moved, the spring 22 rebounds, the fixture block 21 can be directly clamped into the through hole 19, the base 1 and the rotating seat 2 are connected together, the phenomenon that deformation occurs at the connecting part due to frequent screwing-up and screwing-out is avoided when the traditional method of taking bolts for fixing, the base 1 and the rotating seat 2 are guaranteed to be normally connected, and meanwhile, the service life of the whole mutual inductor is greatly prolonged.

In the above, the present invention is only a preferred embodiment, and is not limited to the present invention in other forms, and any person skilled in the art may use the above-disclosed technical contents to change or modify the equivalent embodiment into equivalent changes to be applied in other fields, but all the persons do not depart from the technical contents of the present invention, and any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a residual current transformer device, includes base (1), rotates seat (2), iron core (3), mount pad (4), terminal (5), lag (6) and coupling mechanism, its characterized in that: the iron core (3) are fixedly mounted on the base (1) and the inner portion of the rotating seat (2) in a fixed mode, mounting seats (4) are fixedly mounted on two sides of the base (1) in a symmetrical mode, terminals (5) are mounted on the outer surface of the iron core (3), protective sleeves (6) are sleeved on the outer surfaces of the terminals (5), connecting mechanisms are arranged at the connecting positions of the protective sleeves (6) and the iron core (3), and inserting mechanisms are arranged at the connecting positions of the base (1) and the rotating seat (2).

2. A residual current transformer arrangement according to claim 1, characterised in that: coupling mechanism includes ring channel (7), draw-in groove (8), annular piece (9) and rubber circle (10), ring channel (7) have been seted up to the surface of iron core (3), draw-in groove (8) have been seted up to the inner wall of ring channel (7), the one end fixed mounting that lag (6) are close to ring channel (7) has annular piece (9), the surface cover of annular piece (9) is equipped with rubber circle (10).

3. A residual current transformer arrangement according to claim 2, characterised in that: the rubber ring (10) is embedded in the clamping groove (8).

4. A residual current transformer arrangement according to claim 1, characterised in that: the protective sleeve is characterized in that a sponge body (11) is arranged inside the protective sleeve (6), a jack (12) is formed inside the sponge body (11), and the wiring terminal (5) is inserted inside the jack (12).

5. A residual current transformer arrangement according to claim 1, characterised in that: one end, far away from the iron core (3), of the protective sleeve (6) is fixedly provided with a hook (13), hanging pieces (14) are symmetrically and fixedly arranged on two sides of the base (1), and hanging holes (15) are formed in the hanging pieces (14).

6. A residual current transformer arrangement according to claim 1, characterised in that: grafting mechanism includes fixed block (16), inserted block (17), slot (18), through-hole (19), connecting hole (20), fixture block (21) and spring (22), the surface difference fixed mounting of base (1) and rotation seat (2) has fixed block (16) and inserted block (17), slot (18) have been seted up to the inside of fixed block (16), through-hole (19) have been seted up to the inner wall symmetry of slot (18), connecting hole (20) have been seted up to the bilateral symmetry of inserted block (17), the inside of connecting hole (20) is inserted and is equipped with fixture block (21), fixed mounting has spring (22) between fixture block (21) and connecting hole (20).

7. A residual current transformer arrangement according to claim 6, characterised in that: the shape of the inserting block (17) is T-shaped, and the size of the clamping block (21) is matched with that of the through hole (19).