Middle-mounted switch cabinet

Abstract

The utility model discloses a centrally-mounted switch cabinet, which comprises a circuit breaker body and a cabinet body, the cabinet body is internally provided with an interface corresponding to the circuit breaker body; the middle part of the cabinet body is provided with a supporting mechanism matched with the circuit breaker body; the circuit breaker body is movably connected with the supporting mechanism; the outer end of the circuit breaker body is sleeved with a limiting sleeve locked with the supporting mechanism. The bottom of the circuit breaker body is rotatably connected with a screw rod, and the bottom of the circuit breaker body is provided with a driving block which is in threaded connection with the screw rod. According to the middle-mounted switch cabinet, the circuit breaker body and the supporting mechanism are movably connected, and the limiting sleeve and the screw rod driving system are arranged, so that the circuit breaker body is very simple and convenient to mount, dismount and adjust in position. A user can easily complete the movement of the circuit breaker body only by rotating the driving hand wheel without using extra tools or carrying out complex operation, so that the working efficiency and the operation convenience are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical equipment, in particular to a center-mounted switch cabinet. Background Art

[0002] In traditional power distribution systems, switchgear, as a key piece of equipment, plays an important role in connecting, disconnecting, switching, and protecting circuits. However, traditional switchgear designs often suffer from complex operation, difficult maintenance, and insufficient safety features. In particular, during the installation, commissioning, and replacement of circuit breakers, manual operation often requires pushing and pulling circuit breakers into and out of the switchgear, a cumbersome process that also poses safety risks.

[0003] Therefore, it is necessary to design a central switch cabinet to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to address the deficiencies of the prior art and to provide a center-mounted switch cabinet.

[0005] The technical solution of the utility model is: a center-mounted switchgear cabinet, comprising a circuit breaker body and a cabinet body; an interface corresponding to the circuit breaker body is provided inside the cabinet body; a support mechanism cooperating with the circuit breaker body is provided in the middle of the cabinet body; the circuit breaker body is movably connected to the support mechanism; the outer end of the circuit breaker body is provided with a limit sleeve locked with the support mechanism; a screw is rotatably connected to the bottom of the circuit breaker body, and a drive block threadedly connected to the screw is provided at the bottom of the circuit breaker body; the outer end of the screw passes through the limit sleeve and is rotatably connected to the limit sleeve, and when the circuit breaker body is mounted on the support mechanism, the limit sleeve is locked with the support mechanism.

[0006] A movable door is provided at the interface of the cabinet; the movable door cooperates with the circuit breaker body through a transmission mechanism; when the circuit breaker body approaches or moves away from the interface, the movable door automatically opens or closes.

[0007] The support mechanism includes a support plate and tracks arranged on both sides of the support plate; rollers rollingly connected to the tracks are provided on both sides of the circuit breaker body; spring pins are provided on both sides of the limit sleeve; and a limit notch cooperating with the spring pin is provided at the entrance of the track.

[0008] It also includes a driving hand wheel; a connecting rod is provided in the middle of the driving hand wheel; a positioning hole with a non-circular cross section is provided at the outer end of the screw; and the end of the connecting rod can be inserted into the positioning hole.

[0009] The cabinet body has an outward-opening door; a through hole for inserting the end of the connecting rod is provided on the outward-opening door at a position corresponding to the screw rod.

[0010] The transmission mechanism includes a driving rod that is vertically movably arranged on both sides of the cabinet; the two ends of the movable door are fixedly connected to the two driving rods respectively; rocker rods are rotatably connected on both sides of the cabinet; the inner end of the rocker rod is hinged to the corresponding driving rod through a connecting shaft, and the outer end is hinged to a pull rod, and a tension spring is connected between the outer end of the rocker rod and the bottom of the cabinet; the top of the pull rod passes through the support mechanism and is located above the support mechanism; the top of the pull rod is rotatably connected to a support wheel; drive plates corresponding to the support wheels are provided on both sides of the circuit breaker body; the inner end of the drive plate is arranged in a sloped shape.

[0011] By adopting the above technical solution, the present invention has the following beneficial effects: (1) The center-mounted switchgear of the present invention is designed with a movable connection between the circuit breaker body and the support mechanism, and is equipped with a limit sleeve and a screw drive system, making the installation, removal and position adjustment of the circuit breaker body extremely simple. The user can easily move the circuit breaker body by simply rotating the drive handwheel, without the need for additional tools or complicated operations, which greatly improves work efficiency and operational convenience.

[0012] (2) In the process of the circuit breaker body approaching or moving away from the cabinet interface, the movable door of the utility model is automatically opened and closed by the transmission mechanism, which effectively prevents the risk of electric shock caused by human negligence. At the same time, the locking mechanism of the limit sleeve and the support mechanism ensures the stability of the circuit breaker body in the working state, avoiding safety accidents caused by loosening or falling off.

[0013] (3) The support mechanism of the present invention adopts a design that combines a support plate with a track, and cooperates with the rollers on both sides of the circuit breaker body to achieve smooth sliding of the circuit breaker body, reducing friction and wear. The spring pins on both sides of the limit sleeve cooperate with the limit notches at the entrance of the track, further enhancing the locking effect of the circuit breaker body in a specific position and improving the stability and reliability of the structure.

[0014] (4) Since the circuit breaker body of the present invention can be easily pulled out or pushed in from the middle position, daily maintenance and inspection work becomes simpler and faster. Users can check, replace or adjust the circuit breaker body without opening the entire cabinet, which greatly shortens maintenance time and reduces maintenance costs.

[0015] (5) By providing a through hole for the end of the connecting rod to be inserted into the outward-opening door, the user can conveniently operate the driving handwheel from the outside, further improving the operational flexibility. At the same time, the ingenious coordination of the swing arm, pull rod, support wheel and drive plate in the transmission mechanism ensures smooth linkage between the movable door and the circuit breaker body, improving the intelligence level of the entire switch cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to make the contents of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments in conjunction with the accompanying drawings.

[0017] Figure 1 It is a structural diagram of the present utility model.

[0018] Figure 2 This is a structural diagram of the cabinet of the present invention.

[0019] Figure 3 This is a structural diagram of the circuit breaker body of the utility model.

[0020] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0021] Figure 5 for Figure 2 Enlarged view of point B in the middle.

[0022] The reference numerals in the accompanying drawings are:

[0023] Circuit breaker body 1, spring pin 1-1, roller 1-2, cabinet 2, outward-opening door 2-1, through hole 2-2, interface 3, support mechanism 4, support plate 4-1, track 4-2, limit notch 4-3, limit sleeve 5, screw 6, movable door 7, transmission mechanism 8, drive rod 8-1, rocker arm 8-2, connecting shaft 8-3, pull rod 8-4, tension spring 8-5, support wheel 8-6. DETAILED DESCRIPTION

[0024] (Example 1)

[0025] See Figure 1 to Figure 5 A center-mounted switchgear cabinet according to this embodiment includes a circuit breaker body 1 and a cabinet body 2; an interface 3 corresponding to the circuit breaker body 1 is provided inside the cabinet body 2; a support mechanism 4 cooperating with the circuit breaker body 1 is provided in the middle of the cabinet body 2; the circuit breaker body 1 is movably connected to the support mechanism 4; the outer end of the circuit breaker body 1 is sleeved with a limit sleeve 5 locked with the support mechanism 4; a screw rod 6 is rotatably connected to the bottom of the circuit breaker body 1, and a drive block threadedly connected to the screw rod 6 is provided at the bottom of the circuit breaker body 1; the outer end of the screw rod 6 passes through the limit sleeve 5 and is rotatably connected to the limit sleeve 5. When the circuit breaker body 1 is mounted on the support mechanism 4, the limit sleeve 5 is locked with the support mechanism 4.

[0026] Furthermore, a movable door 7 is provided at the interface 3 of the cabinet 2; the movable door 7 cooperates with the circuit breaker body 1 through a transmission mechanism 8; when the circuit breaker body 1 approaches or moves away from the interface 3, the movable door 7 automatically opens or closes, effectively preventing the risk of electric shock due to human negligence. At the same time, the locking mechanism of the limit sleeve 5 and the support mechanism 4 ensures the stability of the circuit breaker body 1 in the working state, avoiding safety accidents caused by loosening or falling off.

[0027] Furthermore, the support mechanism 4 includes a support plate 4-1 and rails 4-2 provided on both sides of the support plate 4-1; rollers 1-2 rollingly connected to the rails 4-2 are provided on both sides of the circuit breaker body 1; spring pins 1-1 are provided on both sides of the limiting sleeve 5; and a limiting notch 4-3 cooperating with the spring pin 1-1 is provided at the entrance of the rail 4-2. The spring pins 1-1 on both sides of the limiting sleeve 5 of this embodiment cooperate with the limiting notch 4-3 at the entrance of the rail 4-2, further enhancing the locking effect of the circuit breaker body 1 in a specific position and improving the stability and reliability of the structure.

[0028] Furthermore, the centrally mounted switch cabinet of this embodiment also includes a driving handwheel; a connecting rod is provided in the middle of the driving handwheel; a positioning hole with a non-circular cross-section is provided at the outer end of the screw rod 6; the end of the connecting rod can be inserted into the positioning hole to facilitate the docking between the driving handwheel and the screw rod 6.

[0029] Furthermore, the cabinet 2 has an outward-opening door 2-1; a through hole 2-2 for inserting the end of a connecting rod is provided on the outward-opening door 2-1 at a position corresponding to the screw rod 6. By providing the through hole 2-2 for inserting the end of the connecting rod on the outward-opening door 2-1, the user can conveniently operate the driving hand wheel from the outside, further improving operational flexibility.

[0030] Furthermore, the transmission mechanism 8 includes a driving rod 8-1 vertically movably arranged on both sides of the interior of the cabinet 2; the two ends of the movable door 7 are fixedly connected to the two driving rods 8-1 respectively; the two sides of the interior of the cabinet 2 are rotatably connected to a rocker rod 8-2; the inner end of the rocker rod 8-2 is hinged to the corresponding driving rod 8-1 through a connecting shaft 8-3, and the outer end is hinged to a pull rod 8-4, and a tension spring 8-5 is connected between the outer end of the rocker rod 8-2 and the bottom of the cabinet 2; the top of the pull rod 8-4 passes through support mechanism 4, and is located above the support mechanism 4; the top of the pull rod 8-4 is rotatably connected to the support wheel 8-6; drive plates 1-3 corresponding to the support wheels 8-6 are provided on both sides of the circuit breaker body 1; the inner end of the drive plate 1-3 is set in a slope shape. The ingenious cooperation between the rocker arm 8-2, the pull rod 8-4, the support wheel 8-6 ​​and the drive plate 1-3 in the transmission mechanism 8 of this embodiment ensures smooth linkage between the movable door 7 and the circuit breaker body 1, thereby improving the intelligence level of the entire switch cabinet.

[0031] The centrally mounted switchgear of this embodiment exhibits significant advantages in terms of operational convenience, safety, structural design, maintenance efficiency, and flexibility, providing a strong guarantee for the stable operation and efficient maintenance of the power distribution system.

[0032] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A central switchgear cabinet, characterized in that: The invention comprises a circuit breaker body (1) and a cabinet (2); an interface (3) corresponding to the circuit breaker body (1) is provided inside the cabinet (2); a support mechanism (4) cooperating with the circuit breaker body (1) is provided in the middle of the cabinet (2); the circuit breaker body (1) and the support mechanism (4) are movably connected; the outer end of the circuit breaker body (1) is provided with a limit sleeve (5) locked with the support mechanism (4); a screw rod (6) is rotatably connected to the bottom of the circuit breaker body (1), and a driving block threadedly connected to the screw rod (6) is provided at the bottom of the circuit breaker body (1); the outer end of the screw rod (6) passes through the limit sleeve (5) and is rotatably connected to the limit sleeve (5); when the circuit breaker body (1) is mounted on the support mechanism (4), the limit sleeve (5) is locked with the support mechanism (4).

2. A center-mounted switchgear cabinet according to claim 1, characterized in that: A movable door (7) is provided at the interface (3) of the cabinet (2); the movable door (7) cooperates with the circuit breaker body (1) through a transmission mechanism (8); when the circuit breaker body (1) approaches or moves away from the interface (3), the movable door (7) automatically opens or closes.

3. The central switch cabinet according to claim 1, characterized in that: The support mechanism (4) comprises a support plate (4-1) and tracks (4-2) provided on both sides of the support plate (4-1); rollers (1-2) rollingly connected to the tracks (4-2) are provided on both sides of the circuit breaker body (1); spring pins (1-1) are provided on both sides of the limiting sleeve (5); and a limiting notch (4-3) cooperating with the spring pin (1-1) is provided at the entrance of the track (4-2).

4. The central switch cabinet according to claim 1, characterized in that: It also includes a driving hand wheel; a connecting rod is provided in the middle of the driving hand wheel; the outer end of the screw rod (6) is provided with a positioning hole with a non-circular cross section; the end of the connecting rod can be inserted into the positioning hole.

5. The central switch cabinet according to claim 4, characterized in that: The cabinet (2) has an outward-opening door (2-1); a through hole (2-2) for inserting an end of a connecting rod is provided on the outward-opening door (2-1) at a position corresponding to the screw rod (6).

6. The central switch cabinet according to claim 2, characterized in that: The transmission mechanism (8) includes a driving rod (8-1) movably arranged on both sides of the cabinet (2) in a vertical direction; the two ends of the movable door (7) are fixedly connected to the two driving rods (8-1) respectively; both sides of the cabinet (2) are rotatably connected to a rocker rod (8-2); the inner end of the rocker rod (8-2) is hinged to the corresponding driving rod (8-1) through a connecting shaft (8-3), and the outer end is hinged to a pull rod (8-4), and a tension spring (8-5) is connected between the outer end of the rocker rod (8-2) and the bottom of the cabinet (2); the top of the pull rod (8-4) passes through the support mechanism (4) and is located above the support mechanism (4); the top of the pull rod (8-4) is rotatably connected to a support wheel (8-6); driving plates (1-3) corresponding to the support wheels (8-6) are provided on both sides of the circuit breaker body (1); the inner end of the driving plate (1-3) is arranged in a sloped shape.

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