CN221428366U - An expandable low-voltage distribution box - Google Patents

Abstract

The utility model belongs to the field of power distribution, and specifically relates to an expandable low-voltage distribution box, which solves the problems of the inability to expand space and poor ventilation effect in the prior art, and comprises a box body, wherein a telescopic cabinet is slidably mounted inside the box body, and a cushion block is fixedly connected to the bottom of the telescopic cabinet by screws, and a support plate is slidably mounted inside the box body, and a plurality of latch teeth are fixedly connected to the bottom of the support plate by screws, and one end of the plurality of latch teeth are all inclined, and a stopper is slidably mounted inside the telescopic cabinet, and one end of the stopper is inclined, and a guide rod is fixedly connected to the bottom of the stopper by screws, and when expansion is required, the telescopic cabinet is directly pulled to one side by a handle, because the inclined surface of the stopper pushes the support plate upward through the latch teeth, thereby realizing the stretching of the telescopic cabinet, and achieving the effect of convenient expansion.

Description

An expandable low-voltage distribution box

Technical Field

The utility model relates to the technical field of power distribution, in particular to an expandable low-voltage power distribution box.

Background technique

At present, the rated current of low-voltage distribution box is AC 50Hz, rated voltage 380V distribution system is used for power, lighting and power distribution power conversion and control. This product has the characteristics of strong breaking capacity, good dynamic thermal stability, flexible electrical scheme, convenient combination, strong series and practicality, novel structure, etc.

The utility model with authorization announcement number CN115085055A in the prior art is named as: a distribution box with expandable internal space, wherein the heat dissipation slots are fixedly provided with folded heat dissipation plates, the outer ring bottom of the rotating rod is fixedly provided with a fan, the rotor of the second motor is coaxially fixedly connected with a screw, the outer ring sleeve of the screw is provided with a moving column, the outer end face of the moving column is fixedly connected with a side baffle, and the left end face of the side baffle is fixedly provided with an outer baffle. The distribution box with expandable internal space adopts the side baffle The panel is installed in combination with the outer baffle and the inner baffle, and slide rails are fixedly installed on the left and right parts of the outer sides of the upper and lower end surfaces of the inner baffle, so that the functions of the distribution cabinet body are more diverse, and the added second motor drives the screw to rotate, so that the moving column drives the combined structure of the side baffle, the outer baffle and the inner baffle to move left and right, thereby expanding the internal space of the distribution cabinet body. However, this utility model realizes space expansion by installing a motor to drive the screw to rotate and then using the moving column. The motor has a high practical cost, and regular maintenance is required during use, and the practical cost is also high.

Utility Model Content

The utility model aims to provide an expandable low-voltage distribution box, which solves the problems of limited space expansion and poor ventilation effect.

To achieve the above object, the utility model provides the following technical solution: an expandable low-voltage distribution box, comprising a box body, a telescopic cabinet is slidably mounted inside the box body, a cushion block is fixedly connected to the bottom of the telescopic cabinet by screws, and a support plate is slidably mounted inside the box body;

The bottom of the support plate is fixedly connected with a plurality of latch teeth by screws, and one end of each of the latch teeth is inclined. A stopper is slidably mounted inside the telescopic cabinet, and one end of the stopper is inclined. The bottom of the stopper is fixedly connected with a guide rod by screws, and the other end of the guide rod is fixedly connected with a pull rod by screws. The pull rod is slidably mounted inside the telescopic cabinet, and the other end of the pull rod is fixedly connected with a connecting rod by screws, and the bottom end of the connecting rod is fixedly connected with a pressure plate by screws.

Preferably, a revolving door is rotatably installed inside the telescopic cabinet, a handle is fixedly connected to the revolving door by screws, and a plurality of ventilation slots are opened inside the revolving door.

Preferably, the box body is provided with a straight groove, the support plate is slidably connected inside the straight groove, two symmetrically arranged first springs are welded to the top of the support plate, and the other ends of the two first springs are welded to the top wall of the straight groove.

Preferably, a contraction groove is provided inside the telescopic cabinet, the stopper is slidably connected to the inside of the contraction groove, a second spring is sleeved on the outside of the guide rod, one end of the second spring is welded to the bottom of the stopper, and the other end of the second spring is welded to the bottom wall of the contraction groove.

Preferably, a movable groove is provided inside the telescopic cabinet, and the pull rod is slidably connected inside the movable groove.

Preferably, a slide groove is provided inside the box body, and the telescopic cabinet is slidably connected inside the slide groove.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. The utility model adopts the arrangement of structures such as a pressure plate and a pull rod. When expansion is required, the telescopic cabinet can be pulled to one side by a handle directly, because the inclined surface of the stopper will push the support plate upward through the latch teeth to achieve the stretching of the telescopic cabinet, thus achieving the effect of convenient expansion.

2. The utility model adopts the arrangement of structures such as a revolving door and ventilation slots. Since ventilation slots are provided on the revolving door and are communicated with the interior of the box, the heat generated by the power distribution equipment when working inside the box will be discharged to the outside through the ventilation slots, thereby achieving the effect of lowering the temperature inside the box and enhancing the ventilation effect.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a front cross-sectional view of the utility model;

Figure 2 is a schematic diagram of the overall structure of the utility model;

FIG3 is an enlarged view of point A of the present invention.

In the figure: 1. box body; 2. telescopic cabinet; 3. cushion block; 4. handle; 5. pressure plate; 6. connecting rod; 7. first spring; 8. support plate; 9. latching tooth; 10. stopper; 11. pull rod; 12. second spring; 13. guide rod; 14. straight groove; 15. ventilation groove; 16. revolving door.

Detailed ways

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Please refer to Figures 1-3, an expandable low-voltage distribution box, including a box body 1, a telescopic cabinet 2 is slidably assembled inside the box body 1, and a cushion block 3 is fixedly connected to the bottom of the telescopic cabinet 2 by screws, and a support plate 8 is slidably assembled inside the box body 1. The bottom of the support plate 8 is fixedly connected to a plurality of latch teeth 9 by screws, and one end of the plurality of latch teeth 9 is inclined, and a stopper 10 is slidably assembled inside the telescopic cabinet 2, and one end of the stopper 10 is inclined, and the bottom of the stopper 10 is fixedly connected to a guide rod 13 by screws, and the other end of the guide rod 13 is fixedly connected to a pull rod 11 by screws, and the pull rod 11 is slidably assembled inside the telescopic cabinet 2, and the other end of the pull rod 11 is fixedly connected to a connecting rod 6 by screws, and the bottom end of the connecting rod 6 is fixedly connected to a pressing plate 5 by screws. Through the arrangement of structures such as the pressing plate 5 and the pull rod 11, when expansion is required, the handle 4 is directly pulled to one side, because the inclined surface of the stopper 10 will push the support plate 8 upward through the latch teeth 9, thereby realizing the stretching of the telescopic cabinet 2, and achieving the effect of convenient expansion.

Please refer to Figure 1. A revolving door 16 is rotatably installed inside the telescopic cabinet 2. A handle 4 is fixed to the revolving door 16 by screws. A plurality of ventilation slots 15 are provided inside the revolving door 16. Through the arrangement of the revolving door 16 and the ventilation slots 15 and other structures, since the revolving door 16 is provided with ventilation slots 15, the ventilation slots 15 are communicated with the inside of the box body 1. In this way, the heat generated by the power distribution equipment when working inside the box body 1 will be discharged to the outside through the ventilation slots 15, thereby achieving the effect of reducing the internal temperature of the box body 1 and achieving the effect of enhancing ventilation.

Please refer to Figure 2. The box body 1 is provided with a straight groove 14. The support plate 8 is slidably connected inside the straight groove 14. Two symmetrically arranged first springs 7 are welded to the top of the support plate 8. The other ends of the two first springs 7 are welded to the top wall of the straight groove 14.

Please refer to Figure 3. A contraction groove is opened inside the telescopic cabinet 2, and the stopper 10 is slidably connected to the inside of the contraction groove. A second spring 12 is sleeved on the outside of the guide rod 13. One end of the second spring 12 is welded to the bottom of the stopper 10, and the other end of the second spring 12 is welded to the bottom wall of the contraction groove.

Please refer to FIG. 1 . A moving groove is formed inside the telescopic cabinet 2 . The pull rod 11 is slidably connected inside the moving groove.

Please refer to FIG. 2 , a slide groove is provided inside the box body 1 , and the telescopic cabinet 2 is slidably connected inside the slide groove.

The specific implementation process of the utility model is as follows: when the same internal space needs to be expanded, the handle 4 on the revolving door 16 is pulled to pull the telescopic rod outward at the same time. Because the inclined surface set on the stopper 10 slidingly arranged inside the telescopic cabinet 2 matches the inclined surface of the several latch teeth 9 arranged at the bottom of the support plate 8, when the telescopic rod is pulled to drive the stopper 10 to move, the stopper 10 will push the latch teeth 9 and the support plate 8 upward together until the stopper 10 is completely moved to the other side of the inclined surface of the latch teeth 9. At this time, the stopper 10 contacts the vertical surface of the latch teeth 9 to play a fixing role. It should be noted that the latch teeth 9 are provided with a plurality of The size of the pull-out can be adjusted according to the actual situation. When not in use, the pressing plate 5 on the telescopic cabinet 2 needs to be pushed downward by hand. Because the pressing plate 5 is fixedly connected to the connecting rod 6, and the connecting rod 6 is fixedly connected to the pull rod 11 slidably arranged inside the telescopic cabinet 2, pulling the pressing plate 5 downward will drive the pull rod 11 to move downward together through the connecting rod 6. Because the other end of the guide rod 13 fixedly arranged on the stopper 10 is fixed on the pull rod 11, the card block will also be pulled downward and retracted to the inside of the retraction groove. At this time, the telescopic cabinet 2 has no limit effect, and the retraction can be achieved by directly pushing the telescopic cabinet 2 into the cabinet body;

In addition, a plurality of ventilation holes are arranged on the rotating door 16 rotatably installed inside the telescopic cabinet 2 , and the ventilation holes are communicated with the same interior. The heat generated by the equipment arranged inside the box body 1 during operation will be discharged from the inside of the box body 1 through the ventilation slots 15 .

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. An expandable low-voltage distribution box, comprising a box body (1), characterized in that: a telescopic cabinet (2) is slidably mounted inside the box body (1), a cushion block (3) is fixedly connected to the bottom of the telescopic cabinet (2) by screws, and a support plate (8) is slidably mounted inside the box body (1); The bottom of the support plate (8) is fixedly connected to a plurality of latch teeth (9) by screws, one end of each of the latch teeth (9) is inclined, a stopper (10) is slidably mounted inside the telescopic cabinet (2), one end of the stopper (10) is inclined, the bottom of the stopper (10) is fixedly connected to a guide rod (13) by screws, the other end of the guide rod (13) is fixedly connected to a pull rod (11) by screws, the pull rod (11) is slidably mounted inside the telescopic cabinet (2), the other end of the pull rod (11) is fixedly connected to a connecting rod (6) by screws, and the bottom end of the connecting rod (6) is fixedly connected to a pressure plate (5) by screws. 2. An expandable low-voltage distribution box according to claim 1, characterized in that a revolving door (16) is rotatably installed inside the telescopic cabinet (2), a handle (4) is fixedly connected to the revolving door (16) by screws, and a plurality of ventilation slots (15) are opened inside the revolving door (16). 3. An expandable low-voltage distribution box according to claim 1, characterized in that: the box body (1) is provided with a straight groove (14), the support plate (8) is slidably connected to the inside of the straight groove (14), and two symmetrically arranged first springs (7) are welded to the top of the support plate (8), and the other ends of the two first springs (7) are welded to the top wall of the straight groove (14). 4. An expandable low-voltage distribution box according to claim 1, characterized in that: a contraction groove is opened inside the telescopic cabinet (2), the block (10) is slidably connected inside the contraction groove, and a second spring (12) is sleeved on the outside of the guide rod (13), one end of the second spring (12) is welded to the bottom of the block (10), and the other end of the second spring (12) is welded to the bottom wall of the contraction groove. 5. An expandable low-voltage distribution box according to claim 1, characterized in that a movable groove is provided inside the telescopic cabinet (2), and the pull rod (11) is slidably connected inside the movable groove. 6. An expandable low-voltage distribution box according to claim 1, characterized in that a slide groove is provided inside the box body (1), and the telescopic cabinet (2) is slidably connected inside the slide groove.