CN210443468U

CN210443468U - Starting button of power distribution control equipment

Info

Publication number: CN210443468U
Application number: CN201920920078.3U
Authority: CN
Inventors: 李继周; 张艳萍
Original assignee: Dalian Hengyuan Shengda Electric Appliance Co Ltd
Current assignee: Dalian Hengyuan Shengda Electric Appliance Co Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-05-01
Anticipated expiration: 2029-06-18

Abstract

The utility model relates to the technical field of button switches, in particular to a starting button of power distribution control equipment, a shell is a sleeve with a sealed lower end, a button, a push rod and a moving magnet are sequentially arranged in the shell from top to bottom, two pieces of magnetostatic iron which are not contacted with each other are embedded at the bottom of the inner side of the shell, the magnetostatic iron is homopolar and opposite to the moving magnet, the magnetostatic iron is connected with a binding post extending out of the outer side of the shell, a circumferential bulge is integrally formed at the middle part of the inner side of the shell, a reset spring is arranged between the circumferential bulge and the button, a limit ring is fixed at the middle part of the inner side of the ring, an internal thread matched with an external thread is arranged at the lower end of the inner side of the ring, the ring is screwed at the upper end of the shell through the internal thread, one side of the cover plate is hinged with the ferrule. The starting button is high in safety; avoiding the occurrence of false collision; waterproof dustproof and simple structure.

Description

Starting button of power distribution control equipment

Technical Field

The utility model relates to a button switch technical field, concretely relates to distribution control equipment's start button.

Background

The starting button is usually installed on a box/cabinet door of a distribution box/cabinet, a control box/cabinet or a control panel of electrical equipment, a moving contact and a static contact are in a disconnected state when a button cap is not pressed, the moving contact and the static contact are closed after being pressed, and the movable contact and the static contact are loosened and automatically disconnected, which is equivalent to instantaneous power-on, after the button cap is loosened, the moving contact and the static contact are disconnected through an internal reset spring in the conventional starting button, and as the reset spring is elastically reduced after being pressed for many times or corroded, the phenomenon that the moving contact and the static contact of the starting button cannot be automatically disconnected after being used for a period of time may occur, so; a protection device is not arranged outside the existing starting button, so that the starting button is easily touched by mistake, and the safety is low; and button switch steam and dust when being arranged in the environment that humidity or dust are big get into the start button inside from the junction of casing and button cap easily, inside spare part of corrosion start button, influence start button's performance and life-span, it is complicated to possess waterproof dirt-proof start button structure at present, be not convenient for production and equipment.

SUMMERY OF THE UTILITY MODEL

In order to solve the existing problems, the utility model designs a starting button of the power distribution control equipment, which has high safety and can avoid the situation that the elastic drop of the reset spring or the movable and fixed contacts can not be automatically disconnected after being rusted; the cover plate is arranged on the starting button, so that the button can be protected, and the mistaken touch is avoided; the start button has waterproof and dustproof performances, and is simple in structure and convenient to produce and manufacture.

In order to realize the technical purpose, reach above-mentioned technological effect, the utility model discloses a realize through following technical scheme:

a starting button of power distribution control equipment comprises a shell, a ferrule, a button, a push rod and a movable magnet, wherein the shell is a sleeve with a sealed lower end, an external thread is arranged on the outer side of the shell, a fastening nut is screwed on the external thread, the button, the push rod and the movable magnet are sequentially arranged inside the shell from top to bottom, the upper end of the push rod is fixedly connected with the button, the lower end of the push rod is fixedly connected with the movable magnet, two pieces of magnetostatic iron which are not in contact with each other are embedded at the bottom of the inner side of the shell, one of the magnetostatic iron and the movable magnet which are opposite is of the same polarity is connected with a binding post which extends out of the outer side of the shell, a circumferential bulge is integrally formed in the middle of the inner side of the shell, a reset spring is arranged between the circumferential bulge and the button, the lasso passes through the internal thread spiro union in casing upper end, the internal diameter of spacing ring is less than the diameter of button, the upper end of button supports the lower extreme at the spacing ring under reset spring's effect, the upper end of spacing ring is equipped with the silica gel piece, the middle part epirelief of silica gel piece, the silica gel piece all around with the upper end adhesive fixation of spacing ring, the lasso upper end is equipped with the apron, apron one side is articulated with the lasso.

Furthermore, a magnet and an iron sheet are arranged at the covering position of the cover plate and the ferrule, and the magnet and the iron sheet are respectively embedded in the cover plate and the ferrule.

Furthermore, the moving magnet and the static magnet are neodymium iron boron magnets.

Furthermore, one side of the cover plate is hinged with the ferrule through a hinge.

Furthermore, a rubber sealing gasket is fixed on the upper surface of the fastening nut.

The utility model has the advantages that: the starting button is high in safety, and the moving contact and the static contact of the starting button are formed by arranging the moving magnet and the static magnet with opposite magnetic poles, so that the moving contact and the static contact can be automatically disconnected after the elasticity of the reset spring is reduced or the reset spring is corroded due to the repulsion of the like magnetic poles; the upper end of the ferrule is hinged with a cover plate which can protect the button and avoid mistakenly touching the starting button; the utility model discloses a start button, including the spacing ring, the spacing ring upper end of lasso is pasted and is fixed with the silica gel piece, and inside the silica gel piece can avoid steam and dust to get into the casing from the button, lasso and casing upper end threaded connection, the silica gel piece paste fix on the spacing ring for this start button possesses waterproof dustproof performance, and simple structure, the manufacturing of being convenient for.

Drawings

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

Fig. 1 is a sectional view of the overall structure of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is an enlarged view of the structure at a in fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1-shell, 11-circumferential bulge, 12-external thread, 2-ferrule, 21-limit ring, 22-silicon sheet, 23-cover plate, 24-hinge, 3-button, 4-push rod, 5-moving magnet, 6-reset spring, 7-static magnet, 71-binding post, 8-fastening nut, 81-rubber sealing gasket, 9-magnet and 91-iron sheet.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a starting button of a power distribution control device comprises a shell 1, a ferrule 2, a button 3, a push rod 4 and a moving magnet 5, wherein the shell 1 is a sleeve with a sealed lower end, an external thread 12 is arranged on the outer side of the shell 1, a fastening nut 8 is screwed on the external thread 12, the button 3, the push rod 4 and the moving magnet 5 are sequentially arranged inside the shell 1 from top to bottom, the upper end of the push rod 4 is fixedly connected with the button 3, the lower end of the push rod is fixedly connected with the moving magnet 5, two non-contact static magnets 7 are embedded at the bottom of the inner side of the shell 1, one of the static magnets 7 and the moving magnet 5 is of the same magnetic pole, the static magnets 7 are connected with a binding post 71 extending out of the shell 1, a circumferential bulge 11 is integrally formed at the middle part of the inner side of the shell 1, a return spring 6 is, the reset spring 6 is used for loosening the button 3 and then jacking up the button 3 to disconnect the moving magnet 5 from the static magnet 7, the upper end of the reset spring 6 is abutted against the lower end of the button 3, the lower end of the reset spring 6 is abutted against the upper end of the circumferential bulge 11, the middle part of the inner side of the ferrule 2 is fixedly provided with a limiting ring 21, the lower end of the inner side of the ferrule 2 is provided with an internal thread matched with the external thread 12, the ferrule 2 is screwed on the upper end of the shell 1 through the internal thread, the internal diameter of the limiting ring 21 is smaller than the diameter of the button 3, so that the button 3 can be limited in the shell 1 by the limiting ring 21, the shell 1 is prevented from being popped out under the action of the reset spring 6 of the button 3, the upper end of the button 3 is abutted against the lower end of the limiting ring 21 under the action of the reset spring 6, the upper end of the limiting ring 21 is provided with a silica gel sheet 22, the middle, the upper end of the ferrule 2 is provided with a cover plate 23, and one side of the cover plate 23 is hinged with the ferrule 2.

The magnet 9 and the iron sheet 91 are arranged at the covering position of the cover plate 23 and the ferrule 2, and the magnet 9 and the iron sheet 91 are respectively embedded in the cover plate 23 and the ferrule 2.

The moving magnet 5 and the static magnet 7 are neodymium iron boron magnets.

Wherein, one side of the cover plate 23 is hinged with the ferrule 2 through a hinge 24.

Wherein, a rubber gasket 81 is fixed on the upper surface of the fastening nut 8.

One specific application of this embodiment is: when the device is used, the fastening nut 8 is unscrewed, one end of the shell 1, which is far away from the cover plate 23, penetrates through a reserved mounting hole on a box/cabinet and a box/cabinet door of a control box/cabinet, the fastening nut 8 is screwed on the external thread 12 on the outer side of the shell 1 from the inner side of the box/cabinet door, the box/cabinet door is fixed between the fastening nut 8 and the ferrule 2, the connecting wire is connected with the wiring terminal 71, when the button 3 is not pressed down, the movable magnet 5 and the static magnet 7 are not contacted under the action of the elastic force of the reset spring 6 and the repulsive force of the movable magnet 5 and the static magnet 7, the device is in a disconnected state, the silicon sheet 22 plays a waterproof and dustproof role, the cover plate 23 covers the upper end of the ferrule 2 under the adsorption effect of the magnet 9 and the iron sheet 91, the button 3 is protected, the mistaken touch of the starting button is prevented, when the device needs to be started, the cover plate 23 is firstly opened, then the silicon sheet 22 is pressed, the two static magnets 7 are instantly conducted through the movable magnet 5 to start the electrical equipment, after the button is released, the movable magnet 5 and the static magnets 7 are automatically disconnected under the action of the elastic force of the reset spring 6 and the repulsive force of the movable magnet 5 and the static magnets 7, and the movable magnet 5 and the static magnets 7 with opposite magnetic poles are arranged as the movable and static contacts of the start button, so that the movable and static contacts can be automatically disconnected after the elastic drop or corrosion of the reset spring 6 due to the repulsion of like magnetic poles, and the safety is high; the upper end of the ferrule 2 is hinged with a cover plate 23 which can protect the button 3 and avoid mistakenly touching the starting button; the spacing ring 21 upper end of lasso 2 is pasted and is fixed with silica gel piece 22, and silica gel piece 22 can avoid steam and dust to get into inside the casing 1 from button 3, and lasso 2 and 1 upper end threaded connection of casing, silica gel piece 22 paste fix on spacing ring 21, make this start button possess waterproof dustproof performance, and simple structure, the manufacturing of being convenient for.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should be able to make changes, alterations, additions or substitutions within the scope of the present invention.

Claims

1. A start button for a power distribution control device, comprising: the magnetic iron sleeve comprises a shell, a ferrule, a button, a push rod and a movable magnet, wherein the shell is a sleeve with a sealed lower end, an external thread is arranged on the outer side of the shell, a fastening nut is screwed on the external thread, the button, the push rod and the movable magnet are sequentially arranged in the shell from top to bottom, the upper end of the push rod is fixedly connected with the button, the lower end of the push rod is fixedly connected with the movable magnet, two pieces of non-contact static magnets are embedded at the bottom of the inner side of the shell, one of the static magnets and the movable magnet which are opposite is of the same magnetic pole, the static magnets are connected with a binding post extending out of the outer side of the shell, a circumferential bulge is integrally formed in the middle of the inner side of the shell, a reset spring is arranged between the circumferential bulge and the button, a limiting ring is fixed in the, the internal diameter of spacing ring is less than the diameter of button, the upper end of button supports the lower extreme at the spacing ring under reset spring's effect, the upper end of spacing ring is equipped with the silica gel piece, the middle part epirelief of silica gel piece, the silica gel piece all around with the upper end adhesive fixation of spacing ring, the lasso upper end is equipped with the apron, apron one side is articulated with the lasso.

2. The start button of a power distribution control device of claim 1, wherein: and a magnet and an iron sheet are arranged at the covering position of the cover plate and the ferrule, and the magnet and the iron sheet are respectively embedded in the cover plate and the ferrule.

3. The start button of a power distribution control device of claim 1, wherein: the moving magnet and the static magnet are neodymium iron boron magnets.

4. The start button of a power distribution control device of claim 1, wherein: one side of the cover plate is hinged with the ferrule through a hinge.

5. The start button of a power distribution control device of claim 1, wherein: and a rubber sealing gasket is fixed on the upper surface of the fastening nut.