CN107482521A - A pull-out switch cabinet with adjustable draw-out distance - Google Patents

Abstract

The invention discloses a pull-out switch cabinet which can adjust and control the draw-out distance, which comprises a cabinet body, a folding cabinet door, a drawer frame and an ejecting device. A folding cabinet door is provided at the end of the pulling direction of the drawer, and ejection devices are fixed at the upper and lower ends of the innermost sides of each group of the drawer. Support rod, the two ends of the telescopic support rod are respectively connected with the folding cabinet door and the cabinet hinge, and various electrical components are fixed on the drawer; the present invention is simple in structure, easy to use, and can adjust the drawing distance It is more convenient to use the electrical components on the drawer through regulation and control, the operation is convenient, the practicability is strong, and it is convenient to popularize and use.

Description

A pull-out switch cabinet with adjustable draw-out distance

technical field

The invention belongs to the technical field of electrical equipment, and in particular relates to a pull-out switchgear that can adjust the pull-out distance.

Background technique

The switch cabinet is a kind of electrical equipment. The outside line of the switch cabinet first enters the main control switch in the cabinet, and then enters the sub-control switch. Each branch is set according to its needs. Such as instruments, automatic controls, motor magnetic switches, various AC contactors, etc., some also have high-voltage room and low-voltage room switch cabinets, high-voltage busbars, such as power plants, etc. load shedding. The main function of the switchgear is to open and close, control and protect electrical equipment during the process of power generation, transmission, distribution and power conversion in the power system. The components in the switch cabinet are mainly composed of circuit breakers, disconnectors, load switches, operating mechanisms, transformers and various protection devices. There are many classification methods of switch cabinets. For example, according to the installation method of circuit breakers, it can be divided into removable switch cabinets and fixed switch cabinets; or according to the different cabinet structures, it can be divided into open switch cabinets, metal-enclosed switch cabinets, and metal Closed armored switchgear; according to different voltage levels, it can be divided into high-voltage switchgear, medium-voltage switchgear and low-voltage switchgear.

There are many types of switch cabinets on the market now. In order to facilitate later use, there are now pull-out switch cabinets, which are more convenient for the maintenance of electrical components. It pops up, and the pulling distance cannot be adjusted. At the same time, because there may be charge accumulation inside the cabinet, electrostatic reactions may occur when touching the drawer directly. Therefore, a new technical means is needed to solve these problems.

Contents of the invention

The object of the present invention is to provide a pull-out switchgear that can adjust the withdrawal distance, so as to solve the problems mentioned in the above-mentioned background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a pull-out switch cabinet that can adjust the draw-out distance, including a cabinet body, a folding cabinet door, a drawer frame and an ejection device, and the interior of the cabinet body is symmetrically provided with two A group of drawers, the cabinet body is provided with a folding cabinet door at the end of the drawing direction of the drawer, and an ejector device is fixed at the upper and lower ends of the innermost side of each group of the drawer, and the inner side of the folding cabinet door A telescopic support rod is arranged between the cabinet body and the two ends of the telescopic support rod are respectively hinged with the folding cabinet door and the cabinet body, and various electrical components are fixed on the drawer.

As a preferred technical solution of the present invention, the folding cabinet door includes a first door panel and a second door panel, the first door panel and the second door panel are connected by rotation through a rotating core, and the other end of the first door panel Sliding pins are fixed on both sides, and a rotating shaft is fixed on both sides of the other end of the second door panel, and the rotating shaft can rotate on the top of the cabinet.

As a preferred technical solution of the present invention, one end of the telescopic support rod is connected to the inner side of the first door panel.

As a preferred technical solution of the present invention, a handle is fixed on the outer surface of the end of the first door panel close to the sliding pin, and an observation port is provided on the first door panel.

As a preferred technical solution of the present invention, the edge position of the opening of the cabinet body is provided with a slide groove used in cooperation with the sliding pin.

As a preferred technical solution of the present invention, the ejector device includes a main frame and a main beam, the main beam is fixedly arranged between the main frames, and an auxiliary telescopic device is fixed on the end surface of the main frame, The telescopic end of the auxiliary telescopic device is hinged to the middle position of the rocker, and there are two groups of rockers respectively arranged at both ends of the bracket, and one end of the rocker is hinged to a mounting table fixed on the main frame , the other ends of the two groups of rocking handles are fixedly connected by connecting rods, a main telescopic device fixed on the main frame is arranged between the two groups of rocking handles, and the telescopic end of the main telescopic device is connected to the drawer The inner end face is fixedly connected.

As a preferred technical solution of the present invention, the rocker is composed of a first handle and a second handle, the first handle and the second handle are connected by a circular arc transition, and the first Both the handle and the second handle are arc-shaped, and the opening directions of the first handle and the second handle are opposite, and the inner side of the opening direction of the first handle is hinged to the telescopic end of the auxiliary telescopic device .

As a preferred technical solution of the present invention, the second handle is in contact with, but not connected to, the innermost end surface of the drawer.

As a preferred technical solution of the present invention, a slide rail for the drawer to move is fixed on the bottom surface inside the cabinet.

Beneficial effects of the present invention: Since the traditional pull-out switchgear cannot adjust the drawn-out distance, it inevitably brings some inconvenience in operation. The present invention can adjust the moving distance of the switchgear through the ejection device inside the drawer, The drawing frame can be moved for a small distance through the auxiliary telescopic device on the ejector device, and the main telescopic device on it can completely pull out the drawing frame. When it is necessary to check the electrical components on a small scale, only a small distance is needed. The drawer is convenient to observe and use the electrical components on it, and when it is necessary to overhaul the inside of the cabinet, the drawer needs to be removed as a whole, and the operator does not need to operate the drawer during the process of pulling out and advancing to prevent static electricity , and open and close by folding the cabinet door on the side of the cabinet body, which is convenient to control; the present invention is simple in structure, easy to use, can regulate the draw-out distance of the drawer, and is more convenient to use the electrical components on the drawer, and the operation is convenient , strong practicability, easy to popularize and use.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the description, and are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention. In the attached picture:

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is a structural schematic diagram of the folding cabinet door of the present invention;

Fig. 3 is a schematic diagram of the internal structure of the cabinet of the present invention;

Fig. 4 is a schematic diagram of the local structure of the cabinet of the present invention;

Fig. 5 is a structural schematic diagram of the ejector device of the present invention;

Fig. 6 is a structural schematic diagram of the crank handle of the present invention.

detailed description

The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

In the present invention, unless stated otherwise, the used orientation words such as "front, back, left, right, up, down" usually refer to the directions shown in the drawings or refer to vertical, The term used to describe the mutual positional relationship of the components in the vertical or gravity direction.

Please refer to Figure 1, a pull-out switchgear that can adjust the draw-out distance, including a cabinet body 1, a folding cabinet door 2, a drawer frame 3 and an ejection device 4, and two sets of puller frames 3 are arranged symmetrically inside the cabinet body 1 , the cabinet body 1 is provided with a folding cabinet door 2 at the end of the pulling direction of the drawer frame 3, and an ejector device 4 is fixed at the innermost upper and lower ends of each group of drawer frames 3, and the inner side of the folding cabinet door 2 and the cabinet body 1 is provided with a telescopic support rod 5, and the two ends of the telescopic support rod 5 are hingedly connected with the folding cabinet door 2 and the cabinet body 1 respectively, and various electrical components 6 are fixed on the drawer frame 3, and the folding cabinet door 2 is convenient to open and close. Closed, it is convenient to pull out the drawer 3 to overhaul the internal electrical components 6, and the ejection device 4 inside the present invention can realize the automatic regulation of the drawer 3, without the need for personnel to pull the drawer 3 to prevent electrostatic reactions , it is more convenient to use the electrical components, and the structure is simple; and a slide rail 7 for the movement of the drawer 3 is fixed on the bottom surface inside the cabinet 1, so that the drawer 3 moves more smoothly and is easy to use.

Please refer to Fig. 2, Fig. 3 and Fig. 4. The folding cabinet door 2 includes a first door panel 21 and a second door panel 22. Sliding pins 24 are fixed on the two sides of the second door panel 22, and a rotating shaft 25 is fixed on the two sides of the other end of the second door panel 22. The rotating shaft 25 can rotate on the top of the cabinet body 1. When the folding cabinet door 2 is opened, it is lifted up. The first door panel 21, now the second door panel 22 rotates around the top of the cabinet body 1, and the first cabinet door 21 moves upward along the chute 8 on the edge of the cabinet body 1 opening, and the first door panel 21 The telescopic support rod 5 between the cabinet body 1 is used to support the opened cabinet door. The structure is simple, and a handle 26 is fixed on the outer surface of the first door panel 21 near the end of the sliding pin 24. The door panel 21 is provided with an observation port 27, the handle 26 is convenient for opening and closing the folding cabinet door 2, and the observation port 27 on the first door panel 21 is convenient for real-time inspection of the internal situation of the cabinet body 1, which is convenient for the first time. Respond to prevent larger accidents, simple structure, easy to use.

Please refer to Fig. 5, the ejector device 4 includes a main frame 41 and a main beam 42, the main beam 42 is fixedly arranged between the main frames 41, and an auxiliary telescopic device 43 is fixed on the end face of the main frame 41, and the auxiliary telescopic device 43 The telescoping end is hingedly connected with the middle position of rocking handle 45, and rocking handle 45 has two groups and is arranged on the two ends of support 41 respectively, and one end of rocking handle 45 is hingedly connected with the mounting platform 46 that is fixedly arranged on the main frame 41, two groups of rocking The other ends of the handles 45 are fixedly connected by connecting rods 47. A main telescopic device 44 fixed on the main frame 41 is arranged between the two groups of crank handles 45. The telescopic end of the main telescopic device 44 is fixed to the inside end surface of the drawer 3. connection; when the auxiliary telescopic device 43 is extended, the rocking handle 45 will rotate around one end hinged to the cabinet body 1, and the other end will be tilted, and this end of the rocking handle 45 is in contact with the drawer frame 3, In this way, the drawer 3 is pushed out, which is convenient to control, and the main telescopic device 44 against the device 4 is arranged at one end of the drawer 3, and the drawer 3 can be pushed out by the extension of the main telescopic device 44, because the drawer 3 and The rocking handle 45 is not connected, so the drawer 3 can be moved out to the greatest extent, so the main telescopic device 44 and the auxiliary telescopic device 43 can realize two different distances of the drawer 3. The structure is simple and easy to use.

6, the rocker 45 is composed of a first handle 451 and a second handle 452, the first handle 451 and the second handle 452 are connected through a circular arc transition, the first handle 451 and the second handle 452 are all arc-shaped structures, and the opening direction of the first handle bar 451 and the second handle bar 452 are opposite, and the inner side of the opening direction of the first handle bar 451 is hingedly connected with the telescopic end of the auxiliary telescopic device 43; The handle 45 can move the drawer for a greater distance during the rotation process, which facilitates the movement of the drawer 3, and has a simple structure and is easy to use.

Because the traditional pull-out switchgear cannot adjust the draw-out distance, it inevitably brings some inconvenience in operation. The present invention can adjust the moving distance of the switchgear through the ejection device inside the drawer. The auxiliary telescopic device can move the drawing frame for a small distance, and the main telescopic device on it can completely pull out the drawing frame. When it is necessary to check the electrical components on a small scale, it only needs to move the drawing frame for a small distance, which is convenient for its inspection. Observe and use the electrical components on the cabinet, and when it is necessary to overhaul the inside of the cabinet, the drawer needs to be removed as a whole, and the operator does not need to operate the drawer during the process of pulling out and pushing, to prevent static electricity, and in the cabinet On the side, the switch is carried out through the folding cabinet door, which is convenient for control.

The invention is simple in structure, easy to use, can regulate the drawing distance of the drawer, is more convenient to use the electrical components on the drawer, is convenient to operate, has strong practicability, and is convenient for popularization and use.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still It is possible to modify the technical solutions recorded in the foregoing embodiments, or to perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. within the spirit and principles of the present invention shall be included in the within the protection scope of the present invention.

Claims (9)

1. A pull-out switchgear that can regulate the extraction distance, comprising a cabinet body (1), a folding cabinet door (2), a drawer frame (3) and an ejection device (4), characterized in that: the cabinet body The inside of (1) is symmetrically provided with two groups of drawers (3), and the cabinet body (1) is provided with a folding cabinet door (2) at the end of the drawing direction of the drawer (3). The upper and lower ends of the innermost side of the pull frame (3) are fixedly provided with ejection devices (4), and a telescopic support rod (5) is provided between the inner side of the folding cabinet door (2) and the cabinet body (1). Both ends of the support rod (5) are hingedly connected with the folding cabinet door (2) and the cabinet body (1) respectively, and various electrical components (6) are fixedly arranged on the drawer frame (3). 2. A pull-out switchgear with an adjustable withdrawal distance according to claim 1, characterized in that: the folding cabinet door (2) comprises a first door panel (21) and a second door panel (22), the The first door panel (21) and the second door panel (22) are rotatably connected by a rotating core (23), and sliding pins (24) are fixed on both sides of the other end of the first door panel (21). A rotating shaft (25) is fixedly arranged on both sides of the other end of the second door panel (22), and the rotating shaft (25) can rotate on the top of the cabinet body (1). 3. A pull-out switch cabinet with adjustable withdrawal distance according to claim 1 or 2, characterized in that: one end of the telescopic support rod (5) is connected to the inner side of the first door panel (21). 4. A pull-out switchgear with adjustable draw-out distance according to claim 2, characterized in that: a lift is fixed on the outer surface of the end of the first door panel (21) close to the sliding pin (24). The hand (26) is provided with an observation port (27) on the first door panel (21). 5. A pull-out switchgear with adjustable draw-out distance according to claim 1 or 2, characterized in that: the edge of the opening of the cabinet body (1) is provided with a sliding pin (24) the chute(8). 6. A pull-out switchgear with adjustable extraction distance according to claim 1, characterized in that: the ejection device (4) includes a main frame (41) and a main beam (42), and the main The beam (42) is fixedly arranged between the main frames (41), and the auxiliary telescopic device (43) is fixed on the end face of the main frame (41). The telescopic end of the auxiliary telescopic device (43) and the rocker The middle position of (45) is hingedly connected, and described rocking handle (45) has two groups and is respectively arranged on the two ends of support (41), and one end of described rocking handle (45) is fixedly arranged on the main frame (41) The mounting table (46) is hingedly connected, and the other ends of the two groups of rocking handles (45) are fixedly connected by connecting rods (47). Between the two groups of rocking handles (45), a main frame ( 41) on the main telescopic device (44), the telescopic end of the main telescopic device (44) is fixedly connected to the inner end surface of the drawer frame (3). 7. A pull-out switchgear that can adjust the withdrawal distance according to claim 6, characterized in that: the rocker (45) is composed of a first handle (451) and a second handle (452) , the first handle (451) and the second handle (452) are connected through a circular arc transition, and the first handle (451) and the second handle (452) are both arc-shaped structures, And the opening direction of the first handle (451) is opposite to that of the second handle (452), and the inner side of the opening direction of the first handle (451) is hingedly connected with the telescopic end of the auxiliary telescopic device (43). 8. A pull-out switchgear with adjustable draw-out distance according to claim 7, characterized in that: the second handle (452) is in contact with the innermost end surface of the drawer (3), but does not connect. 9. A pull-out switchgear with adjustable draw-out distance according to claim 1, characterized in that: the bottom surface inside the cabinet (1) is fixed with a slide rail for the drawer (3) to move (7).