Long-life circuit breaker mechanism

Abstract

The utility model relates to a long-life circuit breaker mechanism, which comprises a casing, and the casing is provided with a closing trigger mechanism, an opening and closing indication mechanism, an energy storage indication mechanism and an opening cramp mechanism. The closing trigger mechanism comprises an energy storage half shaft, a lever, a first torsion spring, a first fixed shaft and an opening half shaft; the opening and closing indicating mechanism comprises an opening indicating piece, a second fixed shaft and a second torsional spring; the energy storage indicating mechanism comprises an energy storage indicating piece, a third fixing shaft and a third torsional spring. And the opening cramp mechanism comprises a cramp shaft, a key fixing shaft, an opening cramp and a fourth torsional spring. Reset parts of the closing trigger mechanism, the opening and closing indication mechanism, the energy storage indication mechanism and the opening cramp mechanism all adopt torsional springs to provide reset force, so that the reset parts are more convenient to install, and the influence of reciprocating vibration of the reset parts on the service life can be greatly reduced.

Description

Technical Field

[0001] The utility model relates to the field of circuit breaker equipment, and particularly relates to a circuit breaker mechanism with high service life. Background Technique

[0002] At present, in the ACB circuit breaker mechanism on the market, components that need to be reset are involved in the closing trigger mechanism, the closing and opening indication mechanism, the energy storage indication mechanism, and the opening latch mechanism. Currently, the reset of these components is carried out by a tension spring. When using a tension spring to install and control the reset component, firstly, the installation is inconvenient. When installing the tension spring, pliers are likely to cause deformation and pinching of the hook, affecting the service life; secondly, due to the large kinetic energy of the mechanism during closing and opening, after the spring body is impacted, the inertial reciprocating vibration has a large amplitude and a long time, affecting the service life. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is: to overcome the deficiencies of the prior art and provide a circuit breaker mechanism with high service life, and solve the technical problems of inconvenient installation and short service life of each reset component in the closing trigger mechanism, the closing and opening indication mechanism, the energy storage indication mechanism, and the opening latch mechanism in the previous circuit breaker mechanism due to the use of a tension spring.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] Provide a circuit breaker mechanism with high service life, including

[0006] A housing, on which a closing trigger mechanism, a closing and opening indication mechanism, an energy storage indication mechanism, and an opening latch mechanism are arranged; characterized in that

[0007] The closing trigger mechanism includes an energy storage half shaft, a lever, a first torsion spring, a first fixed shaft, and a tripping half shaft. The energy storage half shaft and the tripping half shaft are rotatably arranged on the side plate of the housing. The first fixed shaft is fixedly arranged on the side plate. The first torsion spring is sleeved on the first fixed shaft. One end of the first torsion spring is connected to the side plate, and the other end is connected to the lever. The tripping half shaft rotates to drive the lever forward, and the first torsion spring drives the lever to reset;

[0008] The closing and opening indication mechanism includes a tripping indication member, a second fixed shaft, and a second torsion spring. One end of the second fixed shaft is fixedly connected to the side plate. The tripping indication member is rotatably arranged on the second fixed shaft. The second torsion spring is sleeved on the second fixed shaft. One end of the second torsion spring is connected to the side plate, and the other end is connected to the tripping indication member. The second torsion spring provides the force required for the tripping indication member to reset for closing and opening indication;

[0009] The energy storage indicating mechanism includes an energy storage indicating member, a third fixed shaft, and a third torsion spring. One end of the third fixed shaft is fixedly connected to the side plate. The energy storage indicating member is rotatably arranged on the third fixed shaft. The third torsion spring is sleeved on the third fixed shaft. One end of the third torsion spring is connected to the side plate, and the other end is connected to the energy storage indicating member. The third torsion spring provides the force required for the energy storage indicating member to reset.

[0010] The opening latch mechanism includes a latch shaft, a button fixed shaft, an opening latch, and a fourth torsion spring. The latch shaft and the button fixed shaft are fixedly arranged on the side plate. The opening latch is fixed on the latch shaft. The fourth torsion spring is sleeved on the latch shaft. One end of the fourth torsion spring is connected to the opening latch, and the other end abuts against the button fixed shaft.

[0011] Further, a guide rod is arranged on the lever, and a guide groove is formed on the side plate. The guide rod is inserted into the guide groove so that the lever moves along the guide groove.

[0012] Further, a flat washer and a first retaining ring are arranged at the end of the first fixed shaft to limit the first torsion spring on the first fixed shaft.

[0013] Further, a second retaining ring is arranged at the end of the second fixed shaft to limit the opening / closing indicating member on the second fixed shaft.

[0014] Further, a third retaining ring is arranged at the end of the second fixed shaft to limit the energy storage indicating member on the third fixed shaft.

[0015] The beneficial effects of the present utility model are:

[0016] For the high-life circuit breaker mechanism of the present utility model, the reset members of the closing trigger mechanism, the opening / closing indicating mechanism, the energy storage indicating mechanism, and the opening latch mechanism all use torsion springs to provide the reset force, making the installation of each reset member more convenient and greatly reducing the impact of the reciprocating vibration of the reset member on its life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present utility model will be further described below with reference to the accompanying drawings.

[0018] Figure 1 is a schematic diagram of the high-life circuit breaker mechanism of the present utility model;

[0019] Figure 2 is a schematic diagram of the closing trigger mechanism;

[0020] Figure 3 is a schematic diagram of the opening / closing indicating mechanism;

[0021] Figure 4 is a schematic diagram of the energy storage indicating mechanism;

[0022] Figure 5It is a schematic diagram of the opening latch mechanism;

[0023] Among them, 1. Side plate;

[0024] 2. Closing trigger mechanism, 21. Energy storage half shaft, 22. Lever, 23. First torsion spring, 24. First fixed shaft, 25. Opening half shaft;

[0025] 3. Opening and closing indication mechanism, 31. Opening indication piece, 32. Second fixed shaft, 33. Second torsion spring;

[0026] 4. Energy storage indication mechanism, 41. Energy storage indication piece, 42. Third fixed shaft, 43. Third torsion spring;

[0027] 5. Opening latch mechanism, 51. Latch shaft, 52. Button fixed shaft, 53. Opening latch, 54. Fourth torsion spring. Specific implementation mode

[0028] In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0029] This application provides a high-life circuit breaker mechanism, which will be described in detail below. It should be noted that the description order of the following embodiments does not limit the preferred order of the embodiments of this application. And in the following embodiments, each embodiment has its own emphasis. For parts not detailed in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

[0030] To solve the technical problems in the existing circuit breaker mechanism that the reset components of the closing trigger mechanism 2, the opening and closing indication mechanism 3, the energy storage indication mechanism 4, and the opening latch mechanism 5 are inconvenient to install and have a short service life when using a tension spring, an embodiment of this application provides a high-life circuit breaker mechanism. The following will be elaborated in detail.

[0031] As Figures 1 to 5 shown, a high-life circuit breaker mechanism includes

[0032] a housing, and the closing trigger mechanism 2, the opening and closing indication mechanism 3, the energy storage indication mechanism 4, and the opening latch mechanism 5 are arranged on the housing.

[0033] As Figure 2As shown, the closing trigger mechanism 2 includes a storage half shaft 21, a lever 22, a first torsion spring 23, a first fixed shaft 24, and a tripping half shaft 25. The storage half shaft 21 and the tripping half shaft 25 are rotatably arranged on the side plate of the machine housing. The first fixed shaft 24 is fixedly arranged on the side plate. The first torsion spring 23 is sleeved on the first fixed shaft 24. One end of the first torsion spring 23 is connected to the side plate, and the other end is connected to the lever 22. The tripping half shaft 25 rotates to drive the lever 22 forward, and the first torsion spring 23 drives the lever 22 to reset.

[0034] As Figure 3 shown, the opening and closing indication mechanism 3 includes an opening indication member 31, a second fixed shaft 32, and a second torsion spring 33. One end of the second fixed shaft 32 is fixedly connected to the side plate. The opening indication member 31 is rotatably arranged on the second fixed shaft 32. The second torsion spring 33 is sleeved on the second fixed shaft 32. One end of the second torsion spring 33 is connected to the side plate, and the other end is connected to the opening indication member 31. The second torsion spring 33 provides the force required for the opening and closing indication of the opening indication member 31 to reset.

[0035] As Figure 4 shown, the energy storage indication mechanism 4 includes an energy storage indication member 41, a third fixed shaft 42, and a third torsion spring 43. One end of the third fixed shaft 42 is fixedly connected to the side plate. The energy storage indication member 41 is rotatably arranged on the third fixed shaft 42. The third torsion spring 43 is sleeved on the third fixed shaft 42. One end of the third torsion spring 43 is connected to the side plate, and the other end is connected to the energy storage indication member 41. The third torsion spring 43 provides the force required for the energy storage indication of the energy storage indication member 41 to reset.

[0036] As Figure 5 shown, the tripping buckle mechanism 5 includes a buckle shaft 51, a button fixed shaft 52, a tripping buckle 53, and a fourth torsion spring 54. The buckle shaft 51 and the button fixed shaft 52 are fixedly arranged on the side plate. The tripping buckle 53 is fixed on the buckle shaft 51. The fourth torsion spring 54 is sleeved on the buckle shaft 51. One end of the fourth torsion spring 54 is connected to the tripping buckle 53, and the other end abuts against the button fixed shaft 52.

[0037] In this embodiment, a guide rod is provided on the lever 22, and a guide groove is opened on the side plate. The guide rod is inserted into the guide groove so that the lever 22 moves along the guide groove.

[0038] In this embodiment, a flat washer and a first retaining ring are provided at the end of the first fixed shaft 24 to limit the first torsion spring 23 on the first fixed shaft 24.

[0039] In this embodiment, a second retaining ring is provided at the end of the second fixed shaft 32 to limit the opening indication member 31 on the second fixed shaft 32.

[0040] In this embodiment, a third retaining ring is provided at the end of the second fixed shaft 32 to limit the energy storage indicating member 41 on the third fixed shaft 42.

[0041] In the high-life circuit breaker mechanism of the present utility model, the reset members of the closing trigger mechanism 2, the closing and opening indicating mechanism 3, the energy storage indicating mechanism 4, and the opening latch mechanism 5 all use torsion springs to provide the reset force, making the installation of each reset member more convenient and greatly reducing the impact of the reciprocating vibration of the reset member on the life of the circuit breaker mechanism.

[0042] Each device (components without specific structures) selected in this application is a general standard component or a component known to those skilled in the art, and its structure and principle can be known to those skilled in the art through technical manuals or obtained through conventional experimental methods.

[0043] In the description of the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0044] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0045] In the several embodiments provided by this application, it should be understood that the disclosed systems, devices, and methods can be implemented in other ways. The device embodiments described above are only illustrative. For example, the division of the units is only a logical function division, and there can be other division methods in actual implementation. Also, for example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the displayed or discussed mutual coupling, direct coupling, or communication connection can be through some communication interfaces, and the indirect coupling or communication connection of the devices or units can be in an electrical, mechanical, or other forms.

[0046] The unit described as a separating component may or may not be physically separated. The component shown as a unit may or may not be a physical unit, that is, it may be located in one place or may be distributed over multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0047] In addition, in each embodiment of the present utility model, each functional unit may be integrated in a processing unit, may also exist separately as individual physical units, or two or more units may be integrated in one unit.

[0048] Based on the ideal embodiments of the present utility model as described above, through the above description, relevant staff can completely make various changes and modifications without departing from the technical idea of this utility model. The technical scope of this utility model is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A long-life circuit breaker mechanism, comprising: A casing, wherein a closing trigger mechanism (2), an opening and closing indication mechanism (3), an energy storage indication mechanism (4) and an opening buckle mechanism (5) are arranged on the casing; wherein: The closing trigger mechanism (2) comprises an energy storage half-shaft (21), a lever (22), a first torsion spring (23), a first fixed shaft (24) and an opening half-shaft (25); the energy storage half-shaft (21) and the opening half-shaft (25) are rotatably arranged on the side plate (1) of the housing; the first fixed shaft (24) is fixedly arranged on the side plate (1); the first torsion spring (23) is sleeved on the first fixed shaft (24); one end of the first torsion spring (23) is connected to the side plate (1) and the other end is connected to the lever (22); the opening half-shaft (25) is suitable for driving the lever (22) forward when rotating; and the first torsion spring (23) is suitable for driving the lever (22) to reset; The switch-on / off indicating mechanism (3) comprises a switch-off indicating member (31), a second fixed shaft (32) and a second torsion spring (33); one end of the second fixed shaft (32) is fixedly connected to the side plate (1); the switch-off indicating member (31) is rotatably arranged on the second fixed shaft (32); the second torsion spring (33) is sleeved on the second fixed shaft (32); one end of the second torsion spring (33) is connected to the side plate (1) and the other end is connected to the switch-off indicating member (31); the second torsion spring (33) provides the switch-off indicating member (31) with the force required for resetting the switch-off / off indicating member; The energy storage indicating mechanism (4) comprises an energy storage indicating member (41), a third fixed shaft (42) and a third torsion spring (43); one end of the third fixed shaft (42) is fixedly connected to the side plate (1); the energy storage indicating member (41) is rotatably arranged on the third fixed shaft (42); the third torsion spring (43) is sleeved on the third fixed shaft (42); one end of the third torsion spring (43) is connected to the side plate (1) and the other end is connected to the energy storage indicating member (41); the third torsion spring (43) provides the energy storage indicating member (41) with a force required for resetting the energy storage indication; The switch-off buckle mechanism (5) comprises a buckle shaft (51), a button fixing shaft (52), a switch-off buckle (53) and a fourth torsion spring (54); the buckle shaft (51) and the button fixing shaft (52) are fixedly arranged on the side plate (1); the switch-off buckle (53) is fixed on the buckle shaft (51); the fourth torsion spring (54) is sleeved on the buckle shaft (51); one end of the fourth torsion spring (54) is connected to the switch-off buckle (53) and the other end abuts against the button fixing shaft (52).

2. The long-life circuit breaker mechanism according to claim 1, characterized in that: A guide rod is arranged on the lever (22), a guide groove is provided on the side plate (1), the guide rod is inserted into the guide groove, and the lever (22) moves along the guide groove.

3. The long-life circuit breaker mechanism according to claim 1, characterized in that: A flat washer and a first retaining ring are provided at the end of the first fixed shaft (24) to restrict the first torsion spring (23) on the first fixed shaft (24).

4. The long-life circuit breaker mechanism according to claim 1, characterized in that: A second retaining ring is provided at the end of the second fixed shaft (32) to restrict the opening indicator (31) on the second fixed shaft (32).

5. The long-life circuit breaker mechanism according to claim 1, characterized in that: A third retaining ring is provided at the end of the second fixed shaft (32) to restrict the energy storage indicator (41) on the third fixed shaft (42).

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