Electric extraction mechanism of low-voltage switch cabinet

Abstract

The utility model discloses an electric draw-out mechanism of a low-voltage switch cabinet, which comprises a box body and a door plate arranged at the front end of the box body, and a supporting mechanism, an opening and closing mechanism and a driving mechanism are further arranged in the box body. The supporting mechanism comprises sliding rails and supporting pulleys, the sliding rails are attached to the two side walls in the cavity of the box body, and the supporting pulleys arranged on a bottom plate of the box body are arranged at the front ends of the sliding rails on the two sides; the driving mechanism comprises a driving motor, the driving motor is arranged between the pulleys on the two sides, and one side of the driving motor is coaxially connected with a gear; a supporting plate arranged at the upper ends of the supporting pulleys is slidably connected between the sliding rails on the two sides, and a toothed rail is arranged at the lower end of the supporting plate and is in transmission connection with the gear. The opening and closing mechanism further comprises positioning shafts arranged on the left side and the right side of the upper end of the bottom plate of the cavity of the box body, sliding blocks are connected to the positioning shafts in a sliding mode, connecting rods are connected between the sliding blocks and the door plate, a driver is coaxially connected to the rear ends of the positioning shafts, and the opening and closing mechanism is more convenient and safer to use.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical control cabinet equipment, in particular to an electric draw-out mechanism for a low-voltage switch cabinet. Background Art

[0002] In power systems, low-voltage switchgear is a crucial piece of electrical equipment, widely used in industrial, commercial, and residential applications. Traditionally, low-voltage switchgear is operated manually, which is laborious and potentially harmful to personnel if they are not properly insulated. With the continuous advancement of technology, electric operation technology has been widely adopted in various fields. Within the low-voltage switchgear sector, there is an urgent need for an electric drawout mechanism to improve operational convenience and efficiency. Utility Model Content

[0003] In order to solve the above problems, the utility model provides a low-voltage switch cabinet draw-out mechanism that is automatically drawn out and more convenient and safe for maintenance.

[0004] In order to achieve the above-mentioned purpose, the utility model provides an electric withdrawal mechanism of a low-voltage switch cabinet, including a box body and a door panel installed at the front end of the box body, and a support mechanism, an opening and closing mechanism and a driving mechanism are also installed in the box body; the support mechanism includes slide rails and support pulleys, and slide rails are attached to the two side walls of the box cavity, and the front ends of the slide rails on both sides are provided with support pulleys placed on the bottom plate of the box body; the driving mechanism includes a driving motor, the driving motor is placed between the pulleys on both sides, and one side of the driving motor is coaxially connected to a gear; a support plate placed on the upper end of the support pulley is slidably connected between the slide rails on both sides, and a rack is provided at the lower end of the support plate, and the rack is connected to the gear transmission; the opening and closing mechanism also includes a positioning shaft arranged on the left and right sides of the upper end of the bottom plate of the box cavity, a slider is slidably connected to the positioning shaft, a connecting rod is connected between the slider and the door panel, and the rear end of the positioning shaft is coaxially connected to the driver.

[0005] Preferably, the box body is a rectangular cavity structure with an open front end and a hollow interior, a plurality of fixing parts are installed in a rectangular array on the upper end surface of the box body, and door panels are installed in a split-type manner at the front end of the box body, and the door panels include a first door panel and a second door panel. There are two first door panels and two second door panels, and the first door panel is an L-shaped structure, and the second door panel is a rectangular structure. The second door panel is installed on the first door panel in an opening and closing manner, and the first door panel and the second door panel on both sides are installed in a split-type manner.

[0006] Preferably, there are two slide rails, which are respectively attached to the two side walls of the box cavity, and the slide rails are continuously laid and installed along the inner wall of the box cavity from front to back. There are two support pulleys, which are respectively arranged on the inner side of the front end of the slide rails on both sides and placed on the upper end of the bottom plate of the box cavity. The drive motor is placed between the two support pulleys, and a gear is provided on one side of the drive motor, which is slidably connected to the support plate through the slide rails on both sides, the support pulleys and the drive motor.

[0007] Preferably, both sides of the support plate are continuously provided with clips from front to back, and the lower end of the support plate is continuously laid with a rack. The support plate is slidably embedded in the slide rail through the clips on both sides and is placed on the upper end of the support pulley. The gear at one end of the drive motor is meshed and connected with the rack at the lower end of the support plate.

[0008] Preferably, there are two positioning shafts, which are respectively mounted on the left and right sides of the upper end of the bottom plate of the box cavity. The surface of the positioning shaft is provided with a thread, and the threaded transmission on the positioning shaft is connected to a slider. The positioning shaft is driven to rotate by a driver so that the slider can move on the positioning shaft, and a connecting rod is connected between the slider and the door panel.

[0009] The beneficial effects of the present invention are: 1. By setting the door panel as a split structure, its internal structure can be inspected in a normal maintenance state only by opening the second door panel mechanism. At the same time, the first door panel is connected to the slider arranged on the positioning shaft. During use, the positioning shaft can be driven by the driver to rotate and the slider threaded on the positioning shaft can be moved, thereby controlling the push and pull of the connecting rod to realize the opening and closing action of the door panel.

[0010] 2. By sliding the support plate in the slide rail and placing it on the upper end of the support pulley, the support pulley reduces the friction during the movement of the support plate and firmly lifts the support plate and keeps it installed in the slide rail in a balanced manner. In addition, the support plate can be pulled out and stored in the box shell by engaging the gear at one end of the drive motor with the rack, which provides convenience for the maintenance of the staff and reduces their contact with the low-voltage switchgear, reducing the probability of danger. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0013] Figure 3 This is a schematic diagram of the internal structure of the utility model from another angle;

[0014] Figure 4 for Figure 3Schematic diagram of the local structure of A;

[0015] Figure 5 This is a schematic diagram of the support plate structure of the present utility model.

[0016] Notes in the figure

[0017] 1. Box body; 101. Fixing part; 2. First door panel; 201. Second door panel; 3. Slide rail; 301. Support pulley; 4. Drive motor; 401. Gear; 5. Support plate; 501. Rack rail; 502. Clamp; 6. Positioning shaft; 601. Driver; 602. Connecting rod; 603. Slider. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] Combine Figure 1-5 The utility model is an electric withdrawal mechanism for a low-voltage switchgear cabinet, comprising a box body 1 and a door panel installed at the front end of the box body 1, wherein a supporting mechanism, an opening and closing mechanism and a driving mechanism are further installed in the box body 1; the supporting mechanism comprises a slide rail 3 and a supporting pulley 301, and slide rails 3 are attached to both side walls of the cavity of the box body 1, and the front ends of the slide rails 3 on both sides are provided with supporting pulleys 301 placed on the bottom plate of the box body 1; the driving mechanism comprises a driving motor 4, which is placed between the pulleys on both sides, and a gear 401 is coaxially connected to one side of the driving motor 4; a supporting plate 5 placed on the upper end of the supporting pulley 301 is slidably connected between the slide rails 3 on both sides, and a rack 501 is provided at the lower end of the support plate 5, and the rack 501 is transmission-connected to the gear 401; the opening and closing mechanism also comprises a positioning shaft 6 arranged on the left and right sides of the upper end of the bottom plate of the cavity of the box body 1, a slider 603 is slidably connected to the positioning shaft 6, and a connecting rod 602 is connected between the slider 603 and the door panel, and a driver 601 is coaxially connected to the rear end of the positioning shaft 6.

[0020] Furthermore, the box body 1 is a rectangular cavity structure with an open front end and a hollow interior. A plurality of fixing parts 101 are installed in a rectangular array on the upper end surface of the box body 1. Door panels are installed in a split-type manner at the front end of the box body 1. The door panels include a first door panel 2 and a second door panel 201. There are two first door panels 2 and two second door panels 201. The first door panel 2 is an L-shaped structure, and the second door panel 201 is a rectangular structure. The second door panel 201 is installed on the first door panel 2 in an opening and closing manner. The first door panel 2 and the second door panel 201 on both sides are installed in a split-type manner.

[0021] Furthermore, there are two slide rails 3, which are respectively attached to the two side walls of the cavity of the box body 1. The slide rails 3 are continuously laid and installed from front to back along the inner wall of the cavity of the box body 1. There are two support pulleys 301, which are respectively arranged on the inner side of the front end of the slide rails 3 on both sides and placed on the upper end of the bottom plate of the cavity of the box body 1. The drive motor 4 is placed between the two support pulleys 301, and a gear 401 is provided on one side of the drive motor 4. The support plate 5 is slidably connected through the slide rails 3 on both sides, the support pulley 301 and the drive motor 4.

[0022] Furthermore, both sides of the support plate 5 are continuously provided with clamps 502 from front to back, and the lower end of the support plate 5 is continuously laid with a rack 501. The support plate 5 is slidably embedded in the slide rail 3 through the clamps 502 on both sides and is placed on the upper end of the support pulley 301. The gear 401 at one end of the drive motor 4 is meshed and connected with the rack 501 at the lower end of the support plate 5.

[0023] Furthermore, there are two positioning shafts 6, which are respectively mounted on the left and right sides of the upper end of the bottom plate of the cavity of the box body 1. The surface of the positioning shaft 6 is provided with a thread, and the threaded transmission on the positioning shaft 6 is connected to a slider 603. The positioning shaft 6 is driven to rotate by the driver 601 so that the slider 603 can move on the positioning shaft 6, and a connecting rod 602 is connected between the slider 603 and the door panel.

[0024] By setting the door panel as a split structure, under normal maintenance status, its internal structure can be inspected only by opening the second door panel 201 mechanism. At the same time, the first door panel 2 is connected to the slider 603 set on the positioning shaft 6. During use, the positioning shaft 6 can be driven by the driver 601 to rotate it and the slider 603 threadedly connected to the positioning shaft 6 can move, thereby controlling the push-pull of the connecting rod 602 to realize the opening and closing action of the door panel. By sliding the support plate 5 in the slide rail 3 and placing it on the upper end of the support pulley 301, the support pulley 301 reduces the friction force of the support plate 5 during the movement of the support plate 5 and firmly supports the support plate 5 and keeps it balanced when installed in the slide rail 3. It can also be connected by meshing the gear 401 at one end of the driving motor 4 with the rack 501, so that the support plate 5 can be pulled out and stored in the shell of the box body 1, providing convenience for the maintenance of the staff and reducing their contact with the low-voltage switch cabinet to reduce the probability of danger.

[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric draw-out mechanism for a low-voltage switchgear cabinet, comprising a cabinet (1) and a door panel mounted at the front end of the cabinet (1), characterized in that: The box (1) is also provided with a support mechanism, an opening and closing mechanism, and a driving mechanism; the support mechanism includes a slide rail (3) and a supporting pulley (301); the slide rails (3) are attached to both side walls of the box (1) cavity, and the front ends of the slide rails (3) on both sides are provided with supporting pulleys (301) placed on the bottom plate of the box (1); the driving mechanism includes a driving motor (4); the driving motor (4) is placed between the pulleys on both sides, and a gear (401) is coaxially connected to one side of the driving motor (4); the slide rails (3) on both sides are connected to the supporting pulley (301) on both sides. A support plate (5) is slidably connected to the upper end of the support pulley (301), and a rack (501) is provided at the lower end of the support plate (5), and the rack (501) is transmission-connected to the gear (401); the opening and closing mechanism also includes a positioning shaft (6) provided on the left and right sides of the upper end of the bottom plate of the cavity of the box body (1), a slider (603) is slidably connected to the positioning shaft (6), a connecting rod (602) is connected between the slider (603) and the door panel, and a driver (601) is coaxially connected to the rear end of the positioning shaft (6).

2. The electric draw-out mechanism of a low-voltage switchgear according to claim 1, characterized in that: The box body (1) is a rectangular cavity structure with an open front end and a hollow interior. A plurality of fixing members (101) are installed in a rectangular array on the upper end surface of the box body (1). Door panels are installed in a split-type manner at the front end of the box body (1). The door panels include a first door panel (2) and a second door panel (201). Both the first door panel (2) and the second door panel (201) are two. The first door panel (2) is an L-shaped structure, and the second door panel (201) is a rectangular structure. The second door panel (201) is installed on the first door panel (2) in an openable manner. The first door panel (2) and the second door panel (201) on both sides are installed in a split-type manner.

3. The electric draw-out mechanism of a low-voltage switchgear according to claim 1, characterized in that: There are two slide rails (3), and the two slide rails (3) are respectively attached to the inner side walls of the box body (1). The slide rails (3) are continuously laid and installed along the inner side walls of the box body (1) from front to back. There are two support pulleys (301), and the two support pulleys (301) are respectively arranged on the inner side of the front end of the slide rails (3) on both sides and placed on the upper end of the bottom plate of the box body (1). The drive motor (4) is placed between the two support pulleys (301). A gear (401) is provided on one side of the drive motor (4). The support plate (5) is slidably connected through the slide rails (3) on both sides, the support pulleys (301) and the drive motor (4).

4. The electric draw-out mechanism of a low-voltage switchgear according to claim 3, characterized in that: Both sides of the support plate (5) are continuously provided with clamping members (502) from front to back, and the lower end of the support plate (5) is continuously paved with a rack rail (501). The support plate (5) is slidably embedded in the slide rail (3) through the clamping members (502) on both sides and is placed on the upper end of the support pulley (301). The gear (401) at one end of the drive motor (4) is meshed and connected with the rack rail (501) at the lower end of the support plate (5).

5. The electric draw-out mechanism of a low-voltage switchgear according to claim 1, characterized in that: There are two positioning shafts (6), which are respectively mounted on the left and right sides of the upper end of the bottom plate of the cavity of the box body (1). The surface of the positioning shaft (6) is provided with a thread, and the threaded transmission on the positioning shaft (6) is connected to a slider (603). The positioning shaft (6) is driven to rotate by a driver (601) so that the slider (603) can move on the positioning shaft (6), and a connecting rod (602) is connected between the slider (603) and the door panel.

Images