CN219085873U

CN219085873U - Over-current protector

Info

Publication number: CN219085873U
Application number: CN202222984727.0U
Authority: CN
Inventors: 庄小光; 徐运河
Original assignee: Dongguan Baopude Electric Co ltd
Current assignee: Dongguan Baopude Electric Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-05-26
Anticipated expiration: 2032-11-08

Abstract

The utility model relates to the technical field of electronic components, in particular to an over-current protector, which comprises a main shell, an over-current element, a switch key cap and a cover plate, wherein the main shell is provided with a placement cavity and a key groove; the over-current element is arranged in the arranging cavity and is provided with an electric connection sheet, and the electric connection sheet is formed in a double-angle mode; the switch key cap is arranged in the key groove and used for driving the opening and closing of the over-current element; the apron is located one side of main casing to be used for covering the settling chamber, and the main casing is located the both sides in settling chamber and is equipped with the slot, and the apron both sides are equipped with the cutting, and the cutting is used for inserting in the slot, and one side of cutting is connected with the side and hangs. The utility model solves the problems of inconvenient assembly, poor stability and the like of the existing overvoltage protector shell, adopts the slots to match with the cutting for assembly, and has convenient assembly and more stable structure.

Description

Over-current protector

Technical Field

The utility model relates to the technical field of electronic components, in particular to an over-current protector.

Background

In a working circuit, if the power of a load is too high or a short circuit phenomenon occurs in the circuit, the current is too high, so that the circuit is overloaded, the overload of the circuit can cause larger heat, the load and the circuit are damaged, the insulation level of the circuit is reduced, and even the circuit is burnt out in severe cases. In order to avoid the above situation and reduce the damage of circuit overload, people usually access a protection switch in a working circuit, but the common protection switch has high assembly difficulty and low assembly efficiency.

Disclosure of Invention

In order to solve the problems, the utility model provides the overvoltage protector which solves the problems of inconvenient assembly, poor stability and the like of the existing overvoltage protector shell, adopts a slot to match with a cutting for assembly, is convenient for assembly and has more stable structure.

The technical scheme adopted by the utility model is as follows: the over-current protector comprises a main shell, an over-current element, a switch key cap and a cover plate, wherein the main shell is provided with a placement cavity and a key groove, the placement cavity is arranged in the main shell and penetrates through one side of the main shell, and the key groove is arranged on the surface of the main shell and communicated with the placement cavity; the over-voltage element is arranged in the arranging cavity; the switch key cap is arranged in the key groove and used for driving the opening and closing of the over-current element; the cover plate is arranged on one side of the main shell and used for covering the placement cavity, slots are formed in two sides of the main shell, inserting strips are arranged on two sides of the cover plate and used for being inserted into the slots, and side hanging is connected to one side of each inserting strip.

The technical scheme is further improved in that the positioning cavity is internally provided with a positioning pin, the cover plate is provided with a positioning column, the positioning column is provided with a positioning hole, and the positioning hole is used for being matched with the positioning pin.

The improvement of the scheme is that the bottom of the main shell is provided with an assembly chute, the assembly chute is provided with an assembly buckle, the cover plate is provided with an assembly slide block, the assembly slide block is provided with an assembly clamping groove, and the assembly clamping groove is used for being matched with the assembly buckle.

The technical scheme is further improved in that the main shell is provided with an assembly hole at one side of the placement cavity, the cover plate is provided with an assembly pin, and the assembly pin is used for being matched with the assembly hole.

The power element comprises a first pin, a second pin and a third pin which are inserted into a placement cavity, a power connection piece used for connecting the second pin with the third pin, and a reset spring piece which is arranged in the placement cavity and used for contacting the power connection piece, wherein the switch key cap is provided with a driving piece, the driving piece is used for driving the power connection piece to be connected with the second pin, and the reset spring piece is used for resetting the power connection piece.

The further improvement of the scheme is that one end of the electric connection piece is fixedly connected with the third pin, the other end of the electric connection piece is provided with an electric connection column, and the second pin is provided with an electric connection disc for contacting the electric connection column. The electric connection sheet is formed in a double-angle mode.

The technical scheme is further improved in that the first pin is connected with a first spring, the second pin is connected with a second spring, the first spring and the second spring are connected with a light-emitting element, and the light-emitting element is positioned in the placement cavity.

A further development of the above-described solution provides that the cover plate is provided with a carrier, one end of which extends towards the placement cavity, the carrier being used for the lifting of the light-emitting element.

The improvement of the scheme is that the slot is Z-shaped, and the shape of the cutting is matched with the shape of the slot.

In a further improvement of the scheme, one end of the side hanging part extends towards the upper part of the main shell and is provided with a plurality of limiting steps.

The beneficial effects of the utility model are as follows:

compared with the existing overvoltage protector, the overvoltage protector has the advantages that the overvoltage element is placed in the placement cavity, the overvoltage protector is driven to be opened and closed through the switch key cap, the cover plate is arranged for packaging the structure, the structure is simple, the stability is good, the slots are arranged on the two sides of the main shell, the cover plate is assembled through the cooperation of the cutting and the slots, the assembly is convenient, the assembly precision is high, the whole structure is stable and reliable, the side hanging is further arranged, the installation of the overvoltage protector is convenient, the problems that the assembly of the shell of the existing overvoltage protector is inconvenient, the stability is poor and the like are solved, the assembly is convenient due to the fact that the inserting slot is matched with the cutting, the structure is more stable, and the safety coefficient is high. The device comprises a main shell, an over-current element, a switch key cap and a cover plate, wherein the main shell is provided with a placement cavity and a key groove, the placement cavity is arranged in the main shell and penetrates through one side of the main shell, and the key groove is arranged on the surface of the main shell and is communicated with the placement cavity; the over-voltage element is arranged in the arranging cavity; the switch key cap is arranged in the key groove and used for driving the opening and closing of the over-current element; the cover plate is arranged on one side of the main shell and used for covering the placement cavity, slots are formed in two sides of the main shell, inserting strips are arranged on two sides of the cover plate and used for being inserted into the slots, and side hanging is connected to one side of each inserting strip. The cutting and the side hanging are designed in an integrated manner, so that the structure is stable, the structural strength of the cutting is ensured, and the stability of the side hanging is also maintained.

Drawings

FIG. 1 is a schematic perspective view of an overvoltage protector of the present utility model;

FIG. 2 is an exploded schematic view of the surge protector of FIG. 1;

FIG. 3 is a schematic perspective view of the main housing of the surge protector of FIG. 1;

FIG. 4 is a schematic perspective view of a power receiving element of the surge protector of FIG. 1;

FIG. 5 is a schematic perspective view of a cover plate of the surge protector of FIG. 1;

fig. 6 is a schematic structural view of a power receiving plate of the overvoltage protector in fig. 1.

Reference numerals illustrate: the main housing 1, the placement cavity 11, the positioning pin 111, the key slot 12, the slot 13, the assembly chute 14, the assembly buckle 141, the assembly hole 15, the over-current element 2, the first pin 21, the first spring 211, the second pin 22, the power connection disc 221, the second spring 222, the third pin 23, the power connection piece 24, the power connection post 241, the reset spring piece 25, the light emitting element 26, the switch key cap 3, the driving piece 31, the cover plate 4, the cutting 41, the side hanging 42, the limiting step 421, the positioning post 43, the positioning hole 431, the assembly slider 44, the assembly clamping slot 441, the assembly pin 45 and the supporting plate 46.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

As shown in fig. 1 to 5, an overcurrent protector is provided with a main housing 1, an overcurrent element 2, a switch key cap 3, and a cover plate 4, wherein the main housing 1 is provided with a placement cavity 11 and a key groove 12, the placement cavity 11 is arranged inside the main housing 1 and penetrates to one side of the main housing 1, and the key groove 12 is arranged on the surface of the main housing 1 and is communicated to the placement cavity 11; the overvoltage element 2 is arranged in the arrangement cavity 11; the switch key cap 3 is arranged in the key groove 12 and is used for driving the opening and closing of the over-current element 2; the cover plate 4 is arranged on one side of the main shell 1 and is used for covering the placement cavity 11, slots 13 are formed in two sides of the main shell 1, which are located on the placement cavity 11, cutting 41 are arranged on two sides of the cover plate 4, the cutting 41 is used for being inserted into the slots 13, and a side hanging 42 is connected to one side of the cutting 41.

The positioning pin 111 is arranged in the positioning cavity 11, the cover plate 4 is provided with the positioning column 43, the positioning column 43 is provided with the positioning hole 431, the positioning hole 431 is used for being matched with the positioning pin 111, the positioning hole 431 is matched with the positioning pin 111 to be used for matching and positioning the cover plate 4 and the positioning cavity 11, and therefore the precision of structural assembly of the cover plate 4 and the positioning cavity 11 is improved.

The bottom of main casing 1 is equipped with assembly spout 14, assembly spout 14 is equipped with assembly buckle 141, apron 4 is equipped with assembly slider 44, assembly slider 44 is equipped with assembly draw-in groove 441, assembly draw-in groove 441 is used for cooperating assembly buckle 141, and assembly spout 14 cooperates assembly slider 44 to assemble, and assembly buckle 141 is connected the assembly with assembly draw-in groove 441 simultaneously, and the structure assembly is stable, and the precision is high.

The main casing 1 is located one side of settling chamber 11 and is equipped with mounting hole 15, the mounting pin 45 has been seted up to apron 4, mounting pin 45 is used for cooperating mounting hole 15, sets up mounting hole 15 and mounting pin 45 and carries out the cooperation equipment, further guarantees the precision of apron 4 and main casing 1 assembly.

The over-current element 2 comprises a first pin 21, a second pin 22 and a third pin 23 which are inserted into the placement cavity 11, a power connection piece 24 for connecting the second pin 22 with the third pin 23, and a reset spring piece 25 which is arranged in the placement cavity 11 and is used for contacting the power connection piece 24, wherein the switch key cap 3 is provided with a driving piece 31, the driving piece 31 is used for driving the power connection piece 24 to be connected with the second pin 22, and the reset spring piece 25 is used for resetting the power connection piece 24. The contact 24 is formed at a double angle.

One end of the electrical connection piece 24 is fixedly connected with the third pin 23, the other end is provided with an electrical connection column 241, the second pin 22 is provided with an electrical connection disc 221 for contacting the electrical connection column 241, and the electrical connection column 241 is matched with the electrical connection disc 221 to conduct contact.

The first pin 21 is connected with a first spring 211, the second pin 22 is connected with a second spring 222, the first spring 211 and the second spring 222 are connected with a light-emitting element 26, and the light-emitting element 26 is positioned in the placement cavity 11.

The cover plate 4 is provided with a supporting plate 46, one end of the supporting plate 46 extends towards the placement cavity 11, the supporting plate 46 is used for supporting the light-emitting element 26, the supporting plate 46 is used for supporting and installing the light-emitting element 26 in a matched mode, and light emitted by the light-emitting element 26 is conveniently transmitted out of the switch key cap 3.

The slot 13 is Z-shaped, the shape of the cutting 41 is matched with the shape of the slot 13, so that the slot 13 and the cutting 41 are convenient to assemble, and the structure is high in precision.

One end of the side hanger 42 extends towards the upper part of the main casing 1 and is provided with a plurality of limiting steps 421, and the limiting steps 421 can be used for limiting during assembly, so that the structure installation accuracy is high.

The utility model puts the over-current element 2 in the setting cavity 11, drives to open and close through the switch key cap 3, and sets the cover plate 4 for packaging the structure, the structure is simple, the stability is good, the slots 13 are set on the two sides of the main shell 1, the cover plate 4 is assembled by matching the slots 13 through the inserting strips 41, the assembly is convenient, the assembly precision is high, the whole structure is stable and reliable, and the side hanging 42 is also set, thereby facilitating the installation of the over-current protector, solving the problems of inconvenient assembly, poor stability and the like of the existing over-current protector shell, adopting the slots 13 to assemble by matching the inserting strips 41, the assembly is convenient, the structure is more stable, and the safety coefficient is high. Specifically, a main casing 1, an over-current element 2, a switch key cap 3 and a cover plate 4 are arranged, wherein the main casing 1 is provided with a placement cavity 11 and a key groove 12, the placement cavity 11 is arranged in the main casing 1 and penetrates through to one side of the main casing 1, and the key groove 12 is arranged on the surface of the main casing 1 and communicated with the placement cavity 11; the overvoltage element 2 is arranged in the arrangement cavity 11; the switch key cap 3 is arranged in the key groove 12 and is used for driving the opening and closing of the over-current element 2; the cover plate 4 is arranged on one side of the main shell 1 and is used for covering the placement cavity 11, slots 13 are formed in two sides of the main shell 1, which are located on the placement cavity 11, cutting 41 are arranged on two sides of the cover plate 4, the cutting 41 is used for being inserted into the slots 13, and a side hanging 42 is connected to one side of the cutting 41. The cutting 41 and the side hanging 42 are integrally formed, so that the structure is stable, the structural strength of the cutting 41 is ensured, and the stability of the side hanging 42 is also maintained.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. An overcurrent protector, characterized by: comprising

The main shell is provided with a placement cavity and a key groove, the placement cavity is arranged in the main shell and penetrates through one side of the main shell, and the key groove is arranged on the surface of the main shell and is communicated with the placement cavity;

a powered element mounted within the mounting cavity, the powered element;

the switch key cap is arranged in the key groove and used for driving the opening and closing of the over-current element;

the cover plate is arranged on one side of the main shell and used for covering the placement cavity, slots are formed in two sides of the main shell, cutting bars are arranged on two sides of the cover plate and used for being inserted into the slots, and side hanging is connected to one side of each cutting bar.

2. The surge protector of claim 1, wherein: the positioning cavity is internally provided with a positioning pin, the cover plate is provided with a positioning column, the positioning column is provided with a positioning hole, and the positioning hole is used for being matched with the positioning pin.

3. The surge protector of claim 1, wherein: the bottom of main casing is equipped with the assembly spout, the assembly spout is equipped with the assembly buckle, the apron is equipped with the assembly slider, the assembly slider is equipped with the assembly draw-in groove, the assembly draw-in groove is used for the cooperation assembly buckle.

4. The surge protector of claim 1, wherein: the main shell is provided with an assembly hole at one side of the placement cavity, the cover plate is provided with an assembly pin, and the assembly pin is used for being matched with the assembly hole.

5. The surge protector of claim 1, wherein: the power element comprises a first pin, a second pin and a third pin which are inserted into the arrangement cavity, a power connection piece used for connecting the second pin with the third pin, and a reset spring piece which is arranged in the arrangement cavity and used for contacting the power connection piece, wherein the switch key cap is provided with a driving piece, the driving piece is used for driving the power connection piece to be connected with the second pin, the reset spring piece is used for resetting the power connection piece, and the power connection piece is formed in a double-angle mode.

6. The surge protector of claim 5, wherein: one end of the electric connection piece is fixedly connected with the third pin, the other end of the electric connection piece is provided with an electric connection column, and the second pin is provided with an electric connection disc for contacting the electric connection column.

7. The overcurrent protector of claim 6, wherein: the first pin is connected with a first spring, the second pin is connected with a second spring, the first spring and the second spring are connected with a light-emitting element, and the light-emitting element is positioned in the placement cavity.

8. The overcurrent protector of claim 7, wherein: the cover plate is provided with a supporting plate, one end of the supporting plate extends towards the placement cavity, and the supporting plate is used for supporting the light-emitting element.

9. The surge protector of claim 1, wherein: the slot is Z-shaped, and the shape of the cutting is matched with the shape of the slot.

10. The surge protector of claim 1, wherein: one end of the side hanging extends towards the upper part of the main shell and is provided with a plurality of limiting steps.