CN212874395U - Self-suction type under-voltage release - Google Patents

Abstract

The utility model discloses a self-suction type under-voltage release, which comprises a shell, a driving piece, an electromagnetic component, a tension spring, a circuit board and a cover plate; the tension spring is connected between the driving piece and the shell; the electromagnetic assembly, the circuit board and the cover plate are respectively clamped and mounted in the shell; the utility model discloses a from inhaling formula under-voltage release improves the mounting structure of electromagnetic component, circuit board and apron, adopts joint formula structural design, replaces original screwed connection structure, can practice thrift the cost to a certain extent, improves the shock resistance simultaneously, guarantees mounting structure's stability.

Description

Self-suction type under-voltage release

Technical Field

The utility model belongs to leakage circuit breaker's accessory especially relates to a from inhaling formula under-voltage release.

Background

The leakage circuit breaker is used for preventing a person from electric shock and is selected according to different requirements of direct contact and indirect contact electric shock protection; indirect contact electric shocks in different places can cause different degrees of damage to human bodies, so different electric leakage circuit breakers are required to be installed in different places. The commonly used release is controlled in the electric leakage circuit breaker at present, and the release has multiple structural style, generally all has structures such as shell, electromagnetic component, driving piece, circuit board, and among the prior art, electromagnetic component, circuit board generally adopt the screw to fasten, fix on the drain pan of shell, not only increase certain cost, produce certain vibrations in the electromagnetic component working process moreover, cause the screw to become flexible easily.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a from inhaling formula under-voltage release improves the mounting structure of electromagnetic component, circuit board and apron, adopts joint formula structural design, replaces original screwed connection structure, can practice thrift the cost to a certain extent, improves the shock resistance simultaneously, guarantees mounting structure's stability.

The utility model relates to a self-suction type under-voltage release, which comprises a shell, a driving piece, an electromagnetic component, a tension spring, a circuit board and a cover plate; the tension spring is connected between the driving piece and the shell; electromagnetic component, circuit board and apron joint installation respectively adopt the connected mode of joint in the shell, and the corresponding joint structure that sets up in the shell carries out the joint to electromagnetic component, circuit board and apron and fixes.

Further, be equipped with in the shell and be used for carrying out spacing baffle to the casing of electromagnetic component, the baffle upper end is equipped with and is used for detaining the first buckle at electromagnetic component casing top surface, one side of baffle form with the casing appearance assorted installation space of electromagnetic component, put electromagnetic component in this installation space, carry out the joint with first buckle to the casing of electromagnetic component and fix, can ensure to carry out effectual installation location to electromagnetic component.

Furthermore, the inner wall of the shell is provided with a supporting step for supporting the circuit board, and supporting columns for supporting the cover plate are fixed at all top corners of the upper end of the shell; a second buckle used for buckling the top surface of the circuit board and a third buckle used for buckling the top surface of the cover plate are respectively arranged on the inner wall of the shell corresponding to the supporting step and the supporting column; each apex angle of circuit board corresponds the support column and is equipped with the notch of stepping down, the top of shell is uncovered, electromagnetic component, circuit board and apron are put into from the shell top in proper order, support step and support column all are higher than electromagnetic component, make the circuit board install in electromagnetic component top, the reuse apron lock is in the uncovered department of shell, second buckle and third buckle can be arranged directly over supporting step or support column, also can the level stagger, the homoenergetic reaches the fixed purpose of joint, first buckle, the quantity of second buckle and third buckle is a plurality of respectively, guarantee the joint stable in structure, the upside of each buckle is all led to one side, do benefit to and block into corresponding part card.

Furthermore, the lower end of the driving piece is hinged on the shell, and the front side of the shell is correspondingly provided with a hinge lug; the upper end front side of driving piece is equipped with the clip, and the upper end rear side of driving piece and the inner wall of shell are equipped with and are used for connecting the couple of extension spring, the lower extreme left and right sides of driving piece are fixed with the hinge respectively, install between two articulated ears through the hinge, and the extension spring produces certain elasticity to the driving piece, and the elasticity of extension spring can be overcome to the driving piece under the thrust effect of electromagnetic component, and swing forward, and rethread extension spring resets, and then the circuit through the coil in the control electromagnetic component, realizes driving piece forward and backward swinging's control.

Furthermore, the electromagnetic assembly comprises a shell, a coil and a movable iron core, wherein the coil and the movable iron core are arranged in the shell, the movable iron core is inserted into a central hole of the coil and extends out of the front side of the shell, and two wiring pins of the coil extend out of the top of the shell and are used for being connected with a circuit board; correspond the extension spring on the shell and move the iron core and be equipped with and let the position mouth, make the extension spring with move the iron core and can stretch out from the shell, the extension spring is even on the couple of driving piece rear side, moves the iron core and pushes up the rear side surface at the driving piece, through the control to the coil circuit, controls and moves the iron core back-and-forth movement, and then promotes the driving piece.

The utility model has the advantages that: the utility model discloses a from inhaling formula under-voltage release improves the mounting structure of electromagnetic component, circuit board and apron, adopts joint formula structural design, replaces original screwed connection structure, can practice thrift the cost to a certain extent, improves the shock resistance simultaneously, guarantees mounting structure's stability.

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 embodiments or the technical solutions in the prior art will be briefly described below. In the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an exploded view of the present invention.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

As shown in fig. 1 and 2: the self-suction type under-voltage release comprises a shell 17, a driving piece 10, an electromagnetic assembly, a tension spring 3, a circuit board 2 and a cover plate 1; the tension spring 3 is connected between the driving piece 10 and the shell 17; electromagnetic component, circuit board 2 and apron 1 joint respectively are installed in shell 17, adopt the connected mode of joint, and corresponding setting joint structure in shell 17 carries out the joint to electromagnetic component, circuit board 2 and apron 1 and fixes.

In this embodiment, be equipped with in the shell 17 and be used for carrying out spacing baffle 8 to the casing 12 of electromagnetic component, baffle 8 upper end is equipped with and is used for detaining first buckle 7 at the casing 12 top surface of electromagnetic component, and one side of baffle 8 forms the casing 12 appearance assorted installation space with the electromagnetic component, puts the electromagnetic component in this installation space, carries out the joint with first buckle 7 to the casing 12 of electromagnetic component and fixes, can ensure to carry out effectual installation location to the electromagnetic component.

In this embodiment, the inner wall of the casing 17 is provided with a supporting step 16 for supporting the circuit board 2, and supporting columns 13 for supporting the cover plate 1 are fixed at each vertex angle at the upper end of the casing 17; a second buckle 15 used for buckling on the top surface of the circuit board 2 and a third buckle 14 used for buckling on the top surface of the cover plate 1 are respectively arranged on the inner wall of the shell 17 corresponding to the supporting step 16 and the supporting column 13; each apex angle of circuit board 2 corresponds support column 13 and is equipped with the notch of stepping down, the top of shell 17 is uncovered, electromagnetic component, circuit board 2 and apron 1 are put into from shell 17 top in proper order, support step 16 and support column 13 and all be higher than electromagnetic component, make circuit board 2 install in electromagnetic component top, 1 lock of reuse apron is in the uncovered department of shell 17, second buckle 15 and third buckle 14 can be arranged and support step 16 or support column 13 directly over, also can the level stagger, the homoenergetic reaches the fixed purpose of joint, first buckle 7, the quantity of second buckle 15 and third buckle 14 has a plurality ofly respectively, guarantee joint stable in structure, the upside of each buckle all leads to one side, it goes into corresponding part card to be favorable to.

In this embodiment, the lower end of the driving member 10 is hinged to the housing 17, and the front side of the housing 17 is correspondingly provided with a hinge lug 19; the upper end front side of driving piece 10 is equipped with clip 9, and the upper end rear side of driving piece 10 and the inner wall of shell 17 are equipped with and are used for connecting the couple 6 of extension spring 3, and the lower extreme left and right sides of driving piece 10 is fixed with the hinge respectively, installs between two hinge ears 19 through the hinge, and extension spring 3 produces certain elasticity to driving piece 10, and the elasticity of extension spring 3 can be overcome to driving piece 10 under the thrust effect of electromagnetic component, and swing forward, rethread extension spring 3 resets, and then the circuit through coil 11 in the control electromagnetic component, realizes driving piece 10 fore-and-aft swing's control.

In this embodiment, the electromagnetic assembly includes a housing 12, and a coil 11 and a movable iron core 5 mounted in the housing 12, the movable iron core 5 is inserted into a central hole of the coil 11 and extends from the front side of the housing 12, and two connection pins 4 of the coil 11 extend from the top of the housing 12 for connecting with the circuit board 2; the shell 17 is provided with a let position opening 18 corresponding to the tension spring 3 and the movable iron core 5, the tension spring 3 and the movable iron core 5 can extend out of the shell 17, the tension spring 3 is connected to the hook 6 at the rear side of the driving part 10, the movable iron core 5 is pushed against the rear side surface of the driving part 10, and the movable iron core 5 is controlled to move back and forth by controlling the coil 11 circuit so as to further push the driving part 10.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims (5)

1. The utility model provides a self-priming under-voltage release which characterized in that: the electromagnetic switch comprises a shell, a driving piece, an electromagnetic assembly, a tension spring, a circuit board and a cover plate; the tension spring is connected between the driving piece and the shell; the electromagnetic assembly, the circuit board and the cover plate are respectively clamped and mounted in the shell.

2. The self-priming under-voltage release of claim 1, wherein: be equipped with in the shell and be used for carrying out spacing baffle to the casing of electromagnetic component, the baffle upper end is equipped with and is used for detaining the first buckle at electromagnetic component casing top surface.

3. The self-priming under-voltage release of claim 2, wherein: the inner wall of the shell is provided with a supporting step for supporting the circuit board, and supporting columns for supporting the cover plate are fixed at all top corners of the upper end of the shell; the inner wall of the shell is provided with a second buckle used for buckling the top surface of the circuit board and a third buckle used for buckling the top surface of the cover plate above the corresponding supporting step and the supporting column respectively.

4. The self-priming under-voltage release of claim 3, wherein: the lower end of the driving piece is hinged on the shell, and the front side of the shell is correspondingly provided with a hinge lug; the upper end front side of driving piece is equipped with the clip, and the upper end rear side of driving piece and the inner wall of shell are equipped with and are used for connecting the couple of extension spring.

5. The self-priming under-voltage release of claim 4, wherein: the electromagnetic assembly comprises a shell, a coil and a movable iron core, wherein the coil and the movable iron core are installed in the shell, the movable iron core is inserted into a central hole of the coil and extends out of the front side of the shell, and two wiring pins of the coil extend out of the top of the shell and are used for being connected with a circuit board.

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