CN215527666U

CN215527666U - Leakage protector

Info

Publication number: CN215527666U
Application number: CN202121989387.XU
Authority: CN
Inventors: 黄琴桂
Original assignee: Yue Qing Dongke Electron Co ltd
Current assignee: Yue Qing Dongke Electron Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-01-14
Anticipated expiration: 2031-08-23

Abstract

The utility model provides a leakage protector which comprises a shell, wherein a contact head frame is arranged in the shell, a mounting groove for mounting a contact is formed in the contact head frame, the contact is mounted on the contact head frame through a buckle structure, and compared with the prior art that the contact is mounted on the contact head frame after being riveted through a rivet, the leakage protector is simple in assembly process, quicker and more convenient to mount, time-saving and labor-saving, and the production cost is greatly reduced.

Description

Leakage protector

Technical Field

The utility model relates to the technical field of electrical protection equipment, in particular to a leakage protector.

Background

The leakage protector, called leakage breaker for short, is mainly used for protecting the electric shock of human body with fatal danger when the equipment has leakage fault, has the functions of overload and short circuit protection, can be used for protecting the overload and short circuit of a circuit or a motor, and can also be used for the infrequent switching and starting of the circuit under normal conditions.

The static contact head frame and the movable contact head frame are arranged in the leakage protector, the static contact head frame and the movable contact head frame are respectively provided with the static contact and the movable contact, the static contact and the movable contact are fixed on the static contact head frame and the movable contact head frame through rivets at present, and the process of riveting needs to be carried out by using the rivets for installation, so that the assembly process is complex, time and labor are wasted, and the production cost is high.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is to overcome the defect that the assembly process is complicated due to the fact that the contact is installed through the rivet in the prior art, and therefore, the leakage protector with simple assembly process is provided.

Therefore, the utility model provides a leakage protector which comprises a shell, wherein a contact frame is arranged in the shell, a mounting groove for mounting a contact is formed in the contact frame, and the contact is mounted on the contact frame through a buckle structure.

The clamping structure comprises a clamping hole or a clamping groove and a clamping piece, and the clamping hole or the clamping groove is arranged on the contact; the buckle piece is arranged on the mounting groove and can be in adaptive connection with the clamping hole or the clamping groove.

The clamping piece is provided with an elastic arm connected with the bottom wall of the mounting groove and a clamping block arranged at the end part of the elastic arm and suitable for adaptive clamping of the clamping hole or the clamping groove.

The mounting groove with still be equipped with limit structure between the contact, limit structure is including locating the stopper of contact width direction both sides, and locate on the mounting groove inner wall and can with stopper looks adaptation connection's spacing groove.

And an inclined plane for guiding and inserting the contact is arranged at the opening of the mounting groove.

And a plurality of stop blocks which can be abutted against the contact and prevent the contact from being separated from the opening at the top of the mounting groove are formed on the inner wall of the mounting groove.

The contact includes moving contact and static contact, be equipped with the circuit board in the casing, the one end bottom of circuit board is equipped with current transformer, be equipped with first perforation on the circuit board, first perforation with current transformer's middle part through-hole sets up relatively, be close to in the casing be equipped with electrically conductive on one side of current transformer, the moving contact through pass in proper order current transformer's middle part through-hole and first fenestrate wire with electrically conductive links to each other.

And the conductive piece is provided with a second through hole for the wire to penetrate and connect.

One side of the moving contact is provided with a connecting part connected with the wire, and the connecting part extends out of the mounting groove.

The technical scheme of the utility model has the following advantages:

1. the leakage protector comprises a shell, wherein a contact head frame is arranged in the shell, a mounting groove for mounting a contact is formed in the contact head frame, the contact is mounted on the contact head frame through a buckle structure, and compared with the prior art that the contact is mounted on the contact head frame after being riveted through a rivet, the leakage protector is simple in assembly process, quicker and more convenient to mount, time-saving and labor-saving, and the production cost is greatly reduced.

2. According to the leakage protector provided by the utility model, the limiting structure is also arranged between the mounting groove and the contact, the limiting structure comprises limiting blocks arranged on two sides of the contact in the width direction and limiting grooves which are arranged on the inner wall of the mounting groove and can be in adaptive connection with the limiting blocks, and the limiting structure can prevent the contact from transversely separating from the mounting groove.

3. According to the leakage protector provided by the utility model, the inclined plane for guiding and inserting the contact is arranged at the opening of the mounting groove, so that the contact can be conveniently inserted into the mounting groove, and the mounting is more convenient.

4. According to the leakage protector provided by the utility model, the conductive piece is provided with the second through hole through which the lead can be connected, so that the connection between the conductive piece and the lead is simpler, and the installation is more convenient.

Drawings

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

Fig. 1 is a perspective view of a leakage protector of the present invention;

FIG. 2 is a perspective view of FIG. 1 with the housing and circuit board removed;

FIG. 3 is a perspective view of FIG. 2 with the contacts removed;

fig. 4 is a perspective view of the movable contact.

Description of reference numerals: 1. a housing; 11. a conductive member; 12. a second perforation; 2. a contact head frame; 21. mounting grooves; 22. a limiting groove; 23. a bevel; 24. a stopper; 3. a contact; 31. a clamping hole; 32. a limiting block; 33. a moving contact; 34. static contact; 35. a connecting portion; 4. a fastener; 41. a resilient arm; 42. a clamping block; 5. a circuit board; 51. a first perforation; 6. a current transformer.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Examples

The present embodiment provides a leakage protector, as shown in fig. 1, including a housing 1, a contact holder 2, and a contact 3.

As shown in fig. 1, a circuit board 5 is arranged in the housing 1, a current transformer 6 is arranged at the bottom of one end of the circuit board 5, a first through hole 51 is formed in the circuit board 5, the first through hole 51 is arranged opposite to a middle through hole of the current transformer 6, a conductive piece 11 is arranged on one side of the housing 1 close to the current transformer 6, the movable contact 3 is connected with the conductive piece 11 through a wire which sequentially penetrates through the middle through hole of the current transformer 6 and the first through hole 51, and a second through hole 12 through which the wire is connected in a penetrating manner is formed in the conductive piece 11.

As shown in fig. 2 and 4, the contact 3 includes a movable contact 33 and a fixed contact 34, a card hole 31 or a card slot is provided on the contact 3, two sides of the contact 3 in the width direction are provided with limit blocks 32, one side of the movable contact 33 is provided with a connecting portion 35 connected with the wire, and the connecting portion 35 extends out of the mounting groove 21.

Contact frame 2, as shown in fig. 2 and 3, locate in the casing 1, contact frame 2 is last to have a mounting groove 21 that is used for installing contact 3, be equipped with buckle spare 4 on the mounting groove 21, buckle spare 4 can with card hole 31 or draw-in groove adaptation connection, buckle spare 4 have with the elastic arm 41 that mounting groove 21 diapire is connected, and locate the elastic arm 41 tip, be suitable for the fixture block 42 of card hole 31 or draw-in groove adaptation joint, be equipped with on the mounting groove 21 inner wall can with spacing groove 22 of stopper 32 adaptation connection, the opening part of mounting groove 21 is equipped with and supplies contact 3 direction male inclined plane 23, the shaping has on the mounting groove 21 inner wall can with contact 3 offsets, in order to prevent contact 3 follows a plurality of dogs 24 that mounting groove 21 open-top breaks away from.

The earth leakage protector comprises a shell 1, wherein a contact head frame 2 is arranged in the shell 1, the contact head frame 2 is provided with a mounting groove 21 for mounting a contact 3, the contact 3 is mounted on the contact head frame 2 through a buckle structure, and compared with the prior art that the contact is mounted on the contact head frame after being riveted through a rivet, the earth leakage protector is simple in assembly process, quicker and more convenient to mount, time-saving and labor-saving, and greatly reduces the production cost.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims

1. The earth leakage protector is characterized by comprising a shell (1), wherein a contact rack (2) is arranged in the shell (1), a mounting groove (21) for mounting a contact (3) is formed in the contact rack (2), and the contact (3) is mounted on the contact rack (2) through a buckle structure.

2. A earth-leakage protector according to claim 1, wherein the snap-fit structure comprises:

the clamping hole (31) or the clamping groove is arranged on the contact (3);

and the buckling piece (4) is arranged on the mounting groove (21) and can be in adaptive connection with the clamping hole (31) or the clamping groove.

3. The earth leakage protector according to claim 2, wherein the locking member (4) has a resilient arm (41) connected to the bottom wall of the mounting groove (21), and a locking block (42) provided at an end of the resilient arm (41) and adapted to be locked in the locking hole (31) or the locking groove.

4. The earth leakage protector according to claim 1, wherein a limiting structure is further disposed between the mounting groove (21) and the contact (3), and the limiting structure comprises limiting blocks (32) disposed on two sides of the contact (3) in the width direction, and limiting grooves (22) disposed on the inner wall of the mounting groove (21) and adapted to the limiting blocks (32).

5. A leakage protector according to claim 4, characterized in that the opening of the mounting groove (21) is provided with a bevel (23) for guiding the insertion of the contact (3).

6. A protector according to claim 5, characterized in that the inner wall of the slot (21) is formed with a plurality of stops (24) which can abut against the contact (3) to prevent the contact (3) from being removed from the top opening of the slot (21).

7. The earth leakage protector according to claim 1, wherein the contact (3) comprises a moving contact (33) and a fixed contact (34), a circuit board (5) is disposed in the housing (1), a current transformer (6) is disposed at a bottom of one end of the circuit board (5), a first through hole (51) is disposed on the circuit board (5), the first through hole (51) is disposed opposite to a middle through hole of the current transformer (6), a conductive member (11) is disposed on a side of the housing (1) close to the current transformer (6), and the moving contact (3) is connected to the conductive member (11) through a wire sequentially passing through the middle through hole of the current transformer (6) and the first through hole (51).

8. A leakage protector according to claim 7, wherein the conducting member (11) is provided with a second through hole (12) for the wire to pass through.

9. A leakage protector according to claim 8, wherein a connecting portion (35) connected to the conducting wire is provided at one side of the movable contact (33), and the connecting portion (35) is provided to protrude from the mounting groove (21).