CN217461771U - Anti-falling structure for cabinet door of electric switch cabinet - Google Patents

Abstract

The utility model relates to the technical field of electrical cabinets, specifically disclose electrical switch cabinet door prevents weighing down structure, it includes cabinet door and hinge, the cabinet door is equipped with the switch structure by outside one side, the switch structure includes the handle, key switch, the handle articulates on the cabinet door, key switch fixes on the cabinet door at handle upper end rear, can make the handle upper end press key switch through pressing down the handle upper end or lifting up the handle lower extreme, the cabinet door is equipped with locking structure by cabinet internal portion one side, locking structure includes movable hook, spacing couple, magnet one and electro-magnet, can make movable hook anticlockwise rotation when pulling the handle lower extreme through elastic mechanism, magnet one sets up in movable hook's head, the electro-magnet sets up in fixed hook's head, the magnetic field distribution in the steerable electro-magnet of switching through key switch. The cabinet door can be prevented from falling down, the cabinet door of the electric cabinet is ensured to be opened flexibly, and the maintenance cost is saved.

Description

Anti-falling structure for cabinet door of electric switch cabinet

Technical Field

The utility model relates to a regulator cubicle technical field, concretely relates to structure is prevented weighing down by electrical switch cabinet door.

Background

The regulator cubicle is one kind and has integrateed various cabinet bodies that are used for electrical control, common switch board, the compensation cabinet, high-low-voltage cabinet all adopts the metal cabinet body to add the structure of cabinet door, and after longer time's use, because the cabinet door opens articulated connected mode with the cabinet body side of adopting more, under the action of gravity, the cabinet door of metal material sinks to make it produce some small deviations with cabinet door connection, and under the long-term wind-blowing sun of external environment, tiny deviation progressively accumulates and makes the switch of cabinet door inflexible even produce the hindrance, also cause the staff to need to maintain cabinet door connection position many times in long-time in addition, the maintenance cost increases, consequently need for a new solution to the problem that exists at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electrical switchgear cabinet door prevents weighing down structure to avoid the cabinet door tenesmus, ensure that the regulator cubicle cabinet door is opened in a flexible way.

The utility model discloses a basic scheme does: the anti-falling structure of the cabinet door of the electrical switch cabinet comprises a cabinet door and a hinge, wherein the hinge is connected to the top surfaces of the cabinet door and a cabinet body, a torsional spring is sleeved on a rotating shaft of the hinge, the cabinet door can be turned to a state parallel to the ground by taking the hinge as a rotating center through the torsional spring, a switch structure is arranged on one side of the cabinet door close to the outer part and comprises a handle and a key switch, the handle is hinged on the cabinet door, the key switch is fixed on the cabinet door behind the upper end of the handle, and the upper end of the handle can be pressed to the key switch by pressing the upper end of the handle or lifting the lower end of the handle;

the cabinet door is equipped with locking structure by cabinet internal portion one side, locking structure includes movable hook, spacing couple, magnet and electro-magnet, the decurrent activity couple of breach articulates in cabinet door inboard, the ascending spacing couple of breach is fixed at cabinet side wall, movable hook can collude with the breach of spacing couple each other and link, be connected with elastic mechanism between the upper end of activity couple and the handle lower extreme, can make movable hook anticlockwise rotation when pulling the handle lower extreme through elastic mechanism, magnet sets up in the head of activity couple, the electro-magnet sets up in the head of fixed couple, the magnetic field distribution in the steerable electro-magnet of switching through key switch.

The lower end of the inner side of the cabinet door is provided with a roller, the middle shaft of the roller is arranged horizontally on the ground, and the roller is rotationally connected with the bracket and fixed on the cabinet door.

The beneficial effect of this scheme does:

1. reduce the gravity load of the cabinet door that the hinge bore through locking structure and gyro wheel, spacing couple in the locking structure exerts ascending effort for the cabinet door, prevents that the cabinet door from weighing down under the action of gravity.

2. Adopt the electro-magnet to make activity couple and spacing couple magnetic force adsorb, promote cabinet door and cabinet body coupling inseparabler firm.

The first preferred scheme is as follows: as a further optimization of the basic scheme, the switch structure and the locking structure form a group of devices, and the left side wall and the right side wall of the cabinet door are respectively provided with a group of devices. The cabinet door is symmetrically arranged to make the whole switch cabinet more stable in structure.

The preferred scheme II is as follows: as a further optimization of the first preferred embodiment, the back of the handle is in a shape of a handle fitting the palm of the hand. The handle that adopts the curve design laminates the palm, and the cubical switchboard door is more convenient.

The preferable scheme is three: as a further optimization of the second preferred embodiment, the elastic mechanism is a tension spring. The extension spring can satisfy connection function and simple structure, with low costs.

The preferable scheme is four: as a further optimization of the third preferred scheme, the movable hook and the fixed hook are made of metal materials. The metal hook has high rigidity and good wear resistance and durability.

The preferable scheme is five: as a further optimization of the preferable scheme IV, the handle is made of wear-resistant rubber. Rubber has the insulating function of antiskid, and the cubical switchboard door is safer.

Drawings

Fig. 1 is a schematic diagram of an embodiment of the present invention.

Fig. 2 is an enlarged detail view of a portion a in fig. 1.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the cabinet door 11, the cabinet body 12, the hinge 2, the switch structure 3, the handle 31, the key switch 32, the locking structure 4, the movable hook 41, the limit hook 42, the electromagnet 43, the first magnet 44, the elastic mechanism 5 and the roller 6.

The embodiments are substantially as shown in figures 1 to 2 of the accompanying drawings:

an anti-falling structure of an electric switch cabinet door is shown in an attached figure 1 and comprises a cabinet door 11 and a hinge 2, wherein the hinge 2 is installed on the top surfaces of the cabinet door 11 and a cabinet body 12 through screws, the movable end of the hinge 2 is installed on the cabinet door 11, the fixed end of the hinge 2 is installed on the cabinet body 12, a torsion spring is sleeved on a rotating shaft of the hinge 2, the cabinet door 11 is turned over to be parallel to the ground through the hinge 2 as a rotating center, and the torsion spring plays a role in assisting the cabinet door 11 to lift. The lower end of the inner side of the cabinet door is provided with a roller, the middle shaft of the roller is arranged horizontally on the ground, and the roller is rotatably connected to a bracket fixed with the cabinet door.

Cabinet door 11 leans on outside one side-mounting switch structure 3, and switch structure 3 includes handle 31, key switch 32, and handle 31 rotates to be connected on cabinet door 11, and handle 31 can the rotation center be axle clockwise rotation, and the handle form of the handle 31 back for laminating the palm, and it is more convenient to adopt the handle 31 laminating palm switch cabinet door 11 of curve design, and handle 31 material is wear-resisting rubber, and rubber has the insulating function of antiskid, and switch cabinet door 11 is safer.

The push switch 32 is fixed to the cabinet door 11 behind the upper end of the handle 31, and when the handle 31 is pulled up by pressing the upper end of the handle 31 or lifting the lower end of the handle 31, the upper end of the handle 31 is pressed against the push switch 32.

Cabinet door 11 leans on cabinet 12 inside side-mounting locking structure 4, as shown in fig. 2, locking structure 4 includes movable hook 41, spacing couple 42, magnet 44 and electro-magnet 43, the decurrent movable hook 41 of breach articulates at cabinet door 11 inboardly, the ascending spacing couple 42 of breach is fixed at the cabinet 12 lateral wall, movable hook 41 can collude even each other with spacing couple 42's breach, the material of movable hook 41 and fixed couple is the metal material, be connected with elastic mechanism 5 between movable hook 41's upper end and the handle 31 lower extreme, elastic mechanism 5 is the extension spring, the extension spring can satisfy connection function and simple structure, and is with low costs, can drive movable hook 41 anticlockwise rotation when pulling handle 31 lower extreme through the extension spring.

The opening and closing structure 3 and the locking structure 4 are a set of devices, and a set of devices is respectively arranged on the left side wall and the right side wall of the cabinet door 11.

The first magnet 44 is arranged in the head part of the movable hook 41, the electromagnet 43 is arranged in the head part of the fixed hook, the distribution of the magnetic field in the electromagnet 43 can be controlled by opening and closing the key switch 32, and the direction of the current electrified in the electromagnet 43 can be switched every time the switch is pressed.

The specific implementation process is as follows:

when the cabinet door 11 is closed, the movable hook 41 and the fixed hook are hooked with each other, a first magnet 44 in the movable hook 41 and an electromagnet 43 in the fixed hook are opposite in opposite magnetic pole, the cabinet door 11 is tightly connected with the cabinet door 11, at the moment, if the lower end of the handle 31 is pulled to open the cabinet door 11, the upper end of the handle 31 presses the key switch 32, so that the magnetic field of the electromagnet 43 controlled by the key switch 32 is changed, the electromagnet 43 and the first magnet 44 are opposite in like magnetic pole, the movable hook 41 and the fixed hook are not tightly connected under the mutual repulsion action, meanwhile, the movable hook 41 is lifted up counterclockwise by the tension spring to be disconnected with the fixed hook, a worker pulls the handle 31 to enable the cabinet door 11 to rotate clockwise around the rotation center of the hinge 2, and the cabinet door 11 is lifted up under the assistance of the tension spring; if closing cabinet door 11 this moment, the staff makes cabinet door 11 wind hinge 2 rotation center anticlockwise rotation for cabinet door 11 covers the cabinet body 12 uncovered, pulls up handle 31 this moment and promotes cabinet door 11 to the cabinet body 12, and key switch 32 receives to press and changes the magnetic field of electromagnet 43 on the fixed couple, and electromagnet 43 is relative with the opposite magnetic pole of magnet 44, and the activity couple 41 and the fixed couple of cabinet door 11 collude and link to each other, and cabinet door 11 closes and with cabinet body 12 zonulae occludens.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be pointed out that, for the person skilled in the art, without departing from the structure of the invention, several variants and modifications can be made, which should also be regarded as the scope of protection of the invention, which will not affect the effectiveness of the implementation of the invention and the utility of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (6)

1. Electric switch cabinet door prevents weighing down structure, including cabinet door and hinge, its characterized in that: the hinge is connected to the top surfaces of the cabinet door and the cabinet body, a torsion spring is sleeved on a rotating shaft of the hinge, the cabinet door can be turned to a state parallel to the ground by taking the hinge as a rotating center through the torsion spring, a switch structure is arranged on one side of the cabinet door close to the outside, the switch structure comprises a handle and a key switch, the handle is hinged to the cabinet door, the key switch is fixed on the cabinet door behind the upper end of the handle, and the upper end of the handle can be pressed to the key switch by pressing the upper end of the handle or lifting the lower end of the handle;

a locking structure is arranged on one side of the cabinet door close to the inside of the cabinet body, the locking structure comprises a movable hook, a limiting hook, a first magnet and an electromagnet, the movable hook with a downward notch is hinged on the inner side of the cabinet door, the limiting hook with the upward notch is fixed on the side wall of the cabinet body, the movable hook and the notch of the limiting hook can be mutually hooked, an elastic mechanism is connected between the upper end of the movable hook and the lower end of the handle, the movable hook can be rotated anticlockwise when the lower end of the handle is pulled through the elastic mechanism, the first magnet is arranged in the head of the movable hook, the electromagnet is arranged in the head of the fixed hook, and the magnetic field distribution in the electromagnet can be controlled through the opening and closing of a key switch;

the lower end of the inner side of the cabinet door is provided with a roller, the middle shaft of the roller is arranged horizontally on the ground, and the roller is rotationally connected with the bracket and fixed on the cabinet door.

2. The electrical switch cabinet door fall prevention structure of claim 1, characterized in that: the switch structure and the locking structure are a set of devices, and the left side wall and the right side wall of the cabinet door are respectively provided with a set of devices.

3. The electrical switch cabinet door fall prevention structure of claim 1, characterized in that: the back of the handle is in a handle shape fitting the palm.

4. The electrical switch cabinet door fall prevention structure of claim 1, characterized in that: the elastic mechanism is a tension spring.

5. The electrical switch cabinet door fall prevention structure of claim 1, characterized in that: the movable hook and the fixed hook are made of metal materials.

6. The electrical switch cabinet door fall prevention structure of claim 1, characterized in that: the handle is made of wear-resistant rubber.

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