CN219738868U - Detachable molded case circuit breaker - Google Patents

Abstract

The utility model discloses a detachable molded case circuit breaker, which belongs to the field of circuit breakers and comprises a circuit breaker shell and a track rod, wherein a switch is arranged on the front side of the circuit breaker shell, butt joint grooves are formed in the upper side and the lower side of the circuit breaker shell, a sliding groove is formed in the rear side of the circuit breaker shell, the circuit breaker shell slides on the track rod through the sliding groove, a hollow groove is formed in the central area below the sliding groove, a mounting hole is formed in the upper surface of the circuit breaker shell, a button is slidably arranged above the inside of the mounting hole, a connecting rod is arranged at the bottom of the button, the connecting rod penetrates through the mounting hole, a limiting plate is arranged on the rear side of the bottom of the connecting rod through a locking bolt, the lower limiting plate of an original T-shaped sliding groove is arranged in a sliding mode, the circuit breaker is firstly clamped on a track through the upper side during mounting, then the lower limiting plate is enabled to move upwards by an internal mechanism, and then the matching with the T-shaped track is realized, and the mounting stability of the circuit breaker is ensured.

Description

Detachable molded case circuit breaker

Technical Field

The utility model relates to the field of circuit breakers, in particular to a detachable molded case circuit breaker.

Background

The plastic shell type breaker is used for overload long-delay and short-circuit instantaneous equipment and comprises the characteristics of rated limit short-circuit breaking capacity, current-limiting breaking capacity and the like. During application and various circuit control, can take place the outage when the short circuit phenomenon appears breaking circuit to protect the circuit, current circuit breaker installs more on the track pole of fixed setting, cooperates with the track pole of T shape through the T-shaped groove of circuit breaker rear side, installs side by side one by one, then fixes the both ends of a plurality of circuit breakers through the bolt, in order to guarantee a plurality of circuit breakers in close contact and keep fixed, but this kind of mounting means dismantles comparatively difficultly, if when the circuit breaker that is in the middle breaks down and needs to be changed, only can dismantle all circuit breakers of one side, comparatively loaded down with trivial details, seriously influences efficiency.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems existing in the prior art, the utility model aims to provide a detachable molded case circuit breaker, which can realize the independent disassembly of the circuit breaker and improve the maintenance efficiency.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a detachable moulded case circuit breaker, includes circuit breaker casing and track pole, circuit breaker casing front side is provided with the switch, all be provided with the butt joint groove about the circuit breaker casing, the spout has been seted up to circuit breaker casing rear side, the circuit breaker casing slides on the track pole through the spout, the dead slot has been seted up in spout below central zone, the mounting hole has been seted up to circuit breaker casing upper surface, the inside top slidable mounting of mounting hole has the button, the button bottom is provided with the connecting rod, the connecting rod runs through the mounting hole, the limiting plate is installed through the lock bolt to connecting rod bottom rear side, the limiting plate slides inside the dead slot, the limiting plate is corresponding with track pole rear side lower surface position.

Further, the limiting plate is provided with clamping strips on one side surface close to the connecting rod, and clamping grooves are formed below the rear side surface of the track rod.

Further, the track rod is T-shaped, and the clamping strips are matched with the clamping grooves.

Further, the connecting rod surface cover is equipped with the spring, the spring is arranged in the mounting hole inside, the spring top contacts with the button lower surface, the button runs through circuit breaker casing upper surface.

Furthermore, connecting plates are symmetrically arranged at two ends of the rear side of the track rod, and the connecting plates are L-shaped.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that: according to the detachable molded case circuit breaker provided by the utility model, the lower limit plate of the original T-shaped chute is arranged in a sliding mode, the circuit breaker is firstly clamped on a track through the upper side during installation, then the lower limit plate is enabled to move upwards by utilizing the internal mechanism, then the cooperation with the T-shaped track is realized, the installation stability of the circuit breaker is ensured, meanwhile, the clamping strips on the surface of the sliding limit plate are matched with the clamping grooves on the surface of the track to ensure the fixation of the relative positions of the circuit breaker and the track, and then the independent disassembly can be carried out even if the circuit breaker in the middle position is fixed, so that the flexibility of installation and disassembly is greatly improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the joint of the present utility model in longitudinal right section;

FIG. 3 is a schematic view of a connecting rod and limiting plate connection structure according to the present utility model;

fig. 4 is an enlarged view of the area a of fig. 2 according to the present utility model.

The reference numerals in the figures illustrate:

1. a circuit breaker housing; 2. a switch; 3. a butt joint groove; 4. a chute; 5. a hollow groove; 6. a mounting hole; 7. a button; 8. a connecting rod; 9. a spring; 10. a limiting plate; 11. a locking bolt; 12. clamping strips; 13. a track rod; 14. a connecting plate; 15. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Example 1:

referring to fig. 1-3, the detachable molded case circuit breaker comprises a circuit breaker housing 1 and a track rod 13, wherein a switch 2 is arranged on the front side of the circuit breaker housing 1, a butt joint groove 3 is formed in the upper and lower sides of the circuit breaker housing 1 so as to facilitate the communication of each circuit, a sliding groove 4 is formed in the rear side of the circuit breaker housing 1, the circuit breaker housing 1 slides on the track rod 13 through the sliding groove 4 so as to facilitate the adjustment of the position of each circuit breaker, a hollow groove 5 is formed in the central area below the sliding groove 4 so that a limiting plate 10 is positioned in the central area of the circuit breaker housing 1, and then limiting is more stable.

Referring to fig. 2 and 3, the upper surface of the circuit breaker housing 1 is provided with a mounting hole 6, a button 7 is slidably mounted above the inside of the mounting hole 6, a limiting plate 10 at the bottom is controlled by the button 7, a connecting rod 8 is arranged at the bottom of the button 7, the connecting rod 8 penetrates through the mounting hole 6, the bottom of the connecting rod 8 is arranged in the hollow groove 5, the rear side of the bottom of the connecting rod 8 is provided with the limiting plate 10 through a locking bolt 11, the limiting plate 10 is fixed through the locking bolt 11 and can be convenient for assembly, the limiting plate 10 slides in the hollow groove 5, the limiting plate 10 corresponds to the position of the lower surface of the rear side of the track rod 13, the limiting plate 10 slides downwards during mounting, the lower side of the track rod 13 is not blocked, the limiting plate 10 moves upwards after the mounting is finished, the lower side of the track rod 13 is limited, and the mounting stability of the circuit breaker housing 1 and the track rod 13 is ensured.

Please refer to fig. 3 and 4, a clamping strip 12 is uniformly arranged on a side surface of the limiting plate 10, which is close to the connecting rod 8, a clamping groove 15 is uniformly formed below a rear side surface of the rail rod 13, the rail rod 13 is T-shaped, so that the rail rod 13 is provided with a convex portion up and down, the mounting is facilitated, and the clamping strip 12 is matched with the clamping groove 15, so that the circuit breaker housing 1 can slide along the rail rod 13 after the exterior is mounted.

Referring to fig. 2, a spring 9 is sleeved on the surface of the connecting rod 8, the spring 9 is disposed in the mounting hole 6, the top of the spring 9 contacts with the lower surface of the button 7, the limiting plate 10 can automatically move upwards after the connecting rod is mounted in place by using the elastic force of the spring 9, and the button 7 penetrates through the upper surface of the circuit breaker housing 1, so that the limiting plate 10 can be controlled through the convex button 7.

Referring to fig. 1, two ends of the rear side of the track rod 13 are symmetrically provided with connecting plates 14, and the connecting plates 14 are L-shaped, so that the track rod 13 can be fixed and installed conveniently.

When in use: the connecting plate 14 is fixed through the bolt so that the track rod 13 is in a suspended and horizontal state, meanwhile, the button 7 is arranged at the uppermost part of the stroke due to the existence of the spring 9, then the limiting plate 10 is arranged at the uppermost part of the stroke, the button 7 is pressed to drive the connecting rod 8 to move downwards during installation, the spring 9 is subjected to extrusion power, the connecting rod 8 moves downwards to drive the limiting plate 10 to move downwards, the limiting plate 10 is arranged below the empty slot 5, then the circuit breaker shell 1 is preliminarily clamped on the track rod 13 through the sliding groove 4, the upper edge of the T-shaped track rod 13 is clamped, at the moment, the lower edge is not limited, the connecting rod 8 and the limiting plate 10 are upwards moved due to the power of the spring 9 in advance, then the limiting plate 10 is used for limiting the lower edge of the track rod 13, so that the circuit breaker shell 1 is installed stably, meanwhile, the clamping strip 12 is matched with the clamping slot 15 to ensure the stability of the installation, and the circuit breaker shell 1 can be rapidly disassembled by pressing the button 7.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (5)

1. The utility model provides a detachable moulded case circuit breaker, includes circuit breaker casing (1) and track pole (13), circuit breaker casing (1) front side is provided with switch (2), circuit breaker casing (1) all are provided with docking groove (3), its characterized in that from top to bottom: the circuit breaker is characterized in that a sliding groove (4) is formed in the rear side of the circuit breaker shell (1), the circuit breaker shell (1) slides on a track rod (13) through the sliding groove (4), a hollow groove (5) is formed in the central area below the sliding groove (4), a mounting hole (6) is formed in the upper surface of the circuit breaker shell (1), a button (7) is slidably mounted above the mounting hole (6), a connecting rod (8) is arranged at the bottom of the button (7), the connecting rod (8) penetrates through the mounting hole (6), a limiting plate (10) is mounted on the rear side of the bottom of the connecting rod (8) through a locking bolt (11), the limiting plate (10) slides inside the hollow groove (5), and the limiting plate (10) corresponds to the position of the lower surface of the rear side of the track rod (13).

2. The removable molded case circuit breaker of claim 1, wherein: clamping strips (12) are uniformly arranged on the surface of one side, close to the connecting rod (8), of the limiting plate (10), and clamping grooves (15) are uniformly formed below the surface of the rear side of the track rod (13).

3. The removable molded case circuit breaker of claim 2, wherein: the track rod (13) is T-shaped, and the clamping strip (12) is matched with the clamping groove (15).

4. A removable molded case circuit breaker according to claim 3, wherein: the surface of the connecting rod (8) is sleeved with a spring (9), the spring (9) is arranged in the mounting hole (6), the top of the spring (9) is contacted with the lower surface of the button (7), and the button (7) penetrates through the upper surface of the circuit breaker shell (1).

5. The removable molded case circuit breaker of claim 1, wherein: connecting plates (14) are symmetrically arranged at two ends of the rear side of the track rod (13), and the connecting plates (14) are L-shaped.