CN106761118A - A kind of pulley correction structure of switchgear assembly cabinet door - Google Patents

Abstract

The invention discloses a pulley correction structure for a cabinet door of a complete set of switchgear, which includes a cabinet door and a door frame cabinet frame, and also includes: a positioning pinch plate fixed at an appropriate position on the door frame cabinet frame, and the upper end of the positioning pinch plate is bent inward and downward ; a pulley bracket fixed part fixed on the inner surface of the cabinet door; a pulley bracket moving part hinged to the upper end of the pulley bracket fixed part at one end; a pulley installed on the other end of the pulley bracket moving part; one end is connected with the pulley bracket fixed part, The other end of the spring is connected to the moving part of the pulley bracket. The purpose of the present invention is to meet the protection level that the complete set of switchgear should achieve, and effectively prevent the cabinet door from sagging downward near the door lock side due to gravity, and prevent the deformation of the hinge due to long-term stress. Effectively improve the situation that during the handling of the switch cabinet, due to the omission of the key lock of the cabinet door, the cabinet door may be opened arbitrarily, which may injure personnel. It also makes the appearance of the entire set of switchgear cabinets more neat and beautiful.

Description

A pulley correction structure for a complete set of switchgear cabinet doors

technical field

The invention relates to the technical field of complete switchgear, in particular to a pulley correction structure for a cabinet door of a complete switchgear.

Background technique

The fixing of the cabinet door of the complete set of switch cabinets generally adopts door locks, fixed pulleys, and L-shaped bending metal sheets to guide and support the closing of the cabinet doors. Due to the slight deviation of the weight of the cabinet door and the position of the hinge, the fixed pulley and the L-shaped bending metal sheet cannot cooperate well with the support frame when the cabinet door is closed, which adds trouble to the operator and affects the appearance of the entire switch cabinet craft. Therefore, it is necessary to have a method that can not only reduce the workload of operators, but also make the whole group of switch cabinets meet the required protection level and beautiful appearance and craftsmanship to solve the problem.

Contents of the invention

The technical problem to be solved by the present invention is to provide a pulley correction structure for a complete switchgear cabinet door in view of the above-mentioned technical problems existing in the existing complete switchgear cabinet door. It can easily close the upper cabinet door, and can position the cabinet door to reduce the downward force. The basic principle of the present invention guides the movement of the pulley bracket through the pulley, the pulley bracket is fixed on the cabinet door, and the pulley bracket stretches the spring so that the bracket is subjected to tension. The pulling force is the pulling force on the cabinet door, and the direction of the pulling force is obliquely upward. According to the decomposition of force, the cabinet door is subjected to a tight pulling force and an upward supporting force.

The technical problem to be solved by the present invention can be realized by the following technical solutions:

A pulley correction structure for a complete switchgear cabinet door, including a cabinet door and a door frame cabinet frame, and also includes:

A positioning gusset fixed at an appropriate position of the door frame cabinet frame, the upper end of the positioning gusset is bent inward and downward;

a pulley bracket fixing part fixed on the inner surface of the cabinet door;

a movable part of the pulley bracket with one end hinged to the upper end of the fixed part of the pulley bracket;

a pulley mounted on the other end of the moving part of the pulley bracket;

One end is connected with the fixed part of the pulley bracket, and the other end is connected with the moving part of the pulley bracket.

In a preferred embodiment of the present invention, the pulley is fixed on the other end of the moving part of the pulley bracket through a pulley bracket, and the pulley bracket is vertically connected to the moving part of the pulley bracket.

The purpose of the present invention is to meet the protection level that the complete set of switchgear should achieve, and effectively prevent the cabinet door from sagging downward near the door lock due to gravity, and prevent the deformation of the hinge due to long-term stress. Effectively improve the situation that during the handling of the switchgear, due to the omission of the key lock of the cabinet door, the cabinet door may be opened arbitrarily, which may injure personnel. It also makes the appearance of the entire set of switchgear cabinets more neat and beautiful.

The pulley correction structure of the cabinet door of the complete switchgear involved in the present invention, through the design of the pulley, the movable bracket supporting the pulley, the spring and the positioning buckle, allows the pulley to correct and position the cabinet door more effectively, and improves the orientation of the cabinet door due to gravity. Sagging situation.

The invention is made of materials with lower cost, optimizes the scheme of the cabinet door of the complete set of switchgear, improves the quality of the product, and reduces the workload of operators.

Description of drawings

Fig. 1 is a schematic diagram of assembly among the pulley, the fixed part of the pulley bracket, the moving part of the pulley bracket and the spring of the present invention.

Fig. 2 is a schematic diagram of the initial state and force of the pulley correction structure of the complete switchgear cabinet door of the present invention.

Fig. 3 is a schematic diagram of the spring stretching position and force of the pulley correction structure of the switchgear cabinet door of the present invention.

Fig. 4 is a schematic diagram of the closed position of the door of the pulley correction structure of the cabinet door of the complete switchgear of the present invention and the decomposition of the cabinet door under force.

detailed description

Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to illustrate technical scheme of the present invention:

Referring to Fig. 1 to Fig. 4, the pulley correcting structure of a kind of complete switchgear cabinet door of the present invention comprises pulley bracket fixed part 7, pulley bracket moving part 6, pulley bracket 9, pulley 3, positioning buckle 4, spring 5.

The pulley bracket fixed part 7 is fixedly welded on the cabinet door 1, the upper end of the pulley bracket fixed part 7 is hinged with one end of the pulley bracket moving part 6 through a live pin 8, and the pulley bracket 2 is fixedly welded on the other end of the pulley bracket moving part 6, The pulley support 2 and the pulley support moving part 6 are perpendicular to each other. Pulley 3 is installed on the pulley bracket 2. One end of the spring 5 is connected with the pulley bracket fixed part 7, and the other end is connected with the pulley bracket moving part 6. In the initial state, the spring 5 supports the fixed part 7 of the pulley bracket and the moving part 6 of the pulley bracket to form an obtuse angle shape.

The positioning gusset 4 is installed on the door frame cabinet frame 9 of the switch cabinet, and the upper end of the positioning gusset 4 is bent inward and downward.

When the cabinet door 1 is driven by manpower and moves to the point where the pulley 3 is in contact with the positioning buckle plate 4, since the pulley 3 is above the fixed part 7 of the pulley bracket, the resultant force direction of the pulley 3 is the obliquely above the moving part 6 of the pulley bracket. Therefore, when the pulley 3 moves upward on the positioning buckle 4, the tension spring 5 moves upward. The vertical design of the pulley bracket moving part 6 and the pulley bracket 9 is to increase the range of motion for the pulley 3 to enter the positioning pinch plate 4 .

When the pulley 3 moves upward to the top of the positioning pinch 4 on the positioning pinch 4, it is pulled by the spring 5 and passes over the top of the positioning pinch 4, and the vertical connection between the pulley bracket moving part 6 and the pulley bracket 2 is under the action of inertia , move down along the slope of the positioning gusset 4, and block the positioning gusset 4 due to the deformation force of the spring 5. The resultant force received is obliquely upward, and the force is decomposed into an upward force and a force towards the inside of the cabinet.

The whole implementation process shows that when the pulley 3 moves on the positioning pinch plate 4, due to the external force, the spring 5 generates tension, and the positioning pinch plate 4 is clamped by deformation. It solves the phenomenon that the hinge is deformed due to the gravity of the cabinet door and the slight deviation of the hinge position for a long time. And improve the situation that the cabinet door hangs down due to gravity. The protection level of the switch cabinet is guaranteed, and the appearance and craftsmanship of the whole group of switch cabinets are beautiful and tidy.

Claims (2)

1. a kind of pulley of switchgear assembly cabinet door corrects structure, including cabinet door and doorframe tank bracket, it is characterised in that also wrap Include：

The positioning buckle of the doorframe tank bracket appropriate location is fixed on, the upper end of the positioning buckle curves inwardly and downwardly；

One is fixed on the pulley bracket fixed component on cabinet door inner surface；

The pulley bracket moving component that one end is hinged with the pulley bracket fixed component upper end；

Pulley on the other end of the pulley bracket moving component；

One end is connected with the pulley bracket fixed component, the spring that the other end is connected with the pulley bracket moving component.

2. a kind of pulley of switchgear assembly cabinet door as claimed in claim 1 corrects structure, it is characterised in that the pulley It is fixed on the other end of the pulley bracket moving component by pulley bracket, the pulley bracket is transported with the pulley bracket Dynamic component is vertically connected.