Universal circuit breaker with high stability

Abstract

The utility model discloses a universal circuit breaker with high stability, which comprises a shell, a control box is arranged on the front side of the shell, a fixed block is arranged on the front side of the control box, a rotary switch is arranged on the inner side of the fixed block, and a shifting piece is arranged on the front side of the rotary switch. A fixing plate with a fixing rod is arranged on the front side of the control box, and a rotating rod on the upper side of the protective shell sleeves the outer side of the fixing rod, so that the protective shell can be overturned and opened at any time on the surface of the control box, and empty grooves formed in baffles on the two sides of the protective shell are matched with the radian of a fixing block when the protective shell is closed; and the observation window at the front side of the protective shell can be used for observing the states of the internal rotary switch and the shifting piece under the condition that the protective shell is not opened, so that effective protection and shielding are provided for the switch of the circuit breaker, and the influence on the use effect of the switch due to shifting of the knife switch caused by mistaken touch of the mounted circuit breaker is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breakers, in particular to a universal circuit breaker with high stability. Background Art

[0002] Circuit breaker is a commonly used protective device in low-voltage power distribution network. It can automatically cut off the power supply when short circuit, overload or other electrical faults occur in the system to ensure the safety of equipment and personnel. The existing high-stability universal circuit breaker controls the switch by toggling the knife, but some exposed circuit breaker knives lack protection and shielding on the outside, which can easily cause the knife to be toggled due to accidental touch, affecting the normal use of the circuit breaker. Utility Model Content

[0003] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] In view of the above problems and / or the problems existing in the existing universal circuit breakers with high stability, the present utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a universal circuit breaker with high stability. When the universal circuit breaker with high stability is used, a protective shell structure that can be flipped open is arranged on the outside of the knife switch to protect and shield the outside of the circuit breaker to prevent dust from accumulating at the rotating switch and to avoid the circuit breaker being accidentally touched after installation, which may affect the use of the knife switch.

[0006] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0007] A universal circuit breaker with high stability, comprising:

[0008] A housing, comprising the housing, a control box is arranged at the front side of the housing, a fixing block is arranged at the front side of the control box, a rotary switch is arranged inside the fixing block, and a paddle is arranged at the front side of the rotary switch;

[0009] The protection component includes a fixed plate arranged on the front side of the control box, a fixed rod is arranged on the inner side of the fixed plate, a rotating rod is arranged on the outer side of the fixed rod, a protective shell is arranged on the front side of the rotating rod, baffles are arranged on both sides of the protective shell, an empty groove is opened on the lower side of the baffle, and an observation window is arranged on the front side of the protective shell.

[0010] As a preferred solution of the universal circuit breaker with high stability described in the utility model, a mounting groove is provided on the lower side of the shell, and a mounting hole is provided on the inner side of the mounting groove.

[0011] As a preferred solution of the universal circuit breaker with high stability described in the utility model, a first fixing hole and a second fixing hole are respectively provided on both sides of the upper end of the control box.

[0012] As a preferred solution of the universal circuit breaker with high stability described in the utility model, a fixing plate is arranged on the upper side of the control box, and the fixing plate is arranged between the two control boxes.

[0013] As a preferred solution of the universal circuit breaker with high stability described in the utility model, fixing bolts are arranged at both ends of the upper side of the fixing plate.

[0014] As a preferred solution of the universal circuit breaker with high stability described in the utility model, the fixing bolts pass through the fixing plates and are screwed into the first fixing holes and the second fixing holes of the two control boxes respectively.

[0015] As a preferred solution of the universal circuit breaker with high stability described in the utility model, a limit rod is arranged at the front side of the control box, and a spring is arranged at the outer side of the limit rod.

[0016] As a preferred solution of the universal circuit breaker with high stability described in the utility model, two ends of the spring are fixedly connected to the control box and the protective shell respectively.

[0017] Compared with the prior art, the utility model has the following beneficial effects: when the universal circuit breaker is in use, a fixing plate with a fixing rod is arranged on the front side of the control box, and the rotating rod on the upper side of the protective shell is sleeved on the outside of the fixing rod, so that the protective shell can be flipped open at any time on the surface of the control box, and the empty grooves opened on the baffles on both sides of the protective shell fit the arc of the fixing block when the protective shell is closed, and the observation window on the front side of the protective shell can observe the status of the internal rotating switch and the paddle when the protective shell is not opened, thereby providing effective protection and shielding for the switch of the circuit breaker, and avoiding the influence of the use effect of the circuit breaker on the toggle of the knife switch due to accidental touch after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0019] Figure 1 This is a schematic diagram of the overall structure of a universal circuit breaker with high stability according to the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of a universal circuit breaker with high stability according to the utility model;

[0021] Figure 3 This utility model is a universal circuit breaker with high stability Figure 2 A magnified schematic diagram of the structure A;

[0022] Figure 4 This is a structural schematic diagram of a protection component of a universal circuit breaker with high stability according to the utility model;

[0023] Figure 5 The utility model is a partial structural schematic diagram of a universal circuit breaker with high stability. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0025] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0026] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0027] The utility model provides a universal circuit breaker with high stability. When the universal circuit breaker with high stability is used, a protective shell structure that can be flipped open is arranged on the outer side of the knife switch to protect and shield the outer side of the circuit breaker, prevent dust from accumulating at the rotating switch, and avoid the circuit breaker after installation from affecting the use effect due to the toggle of the knife switch caused by accidental touch.

[0028] Figure 1-Figure 5 The overall structure diagram of an embodiment of a universal circuit breaker with high stability according to the utility model is shown. Figure 1-Figure 5 The present embodiment provides a universal circuit breaker with high stability, and its main body includes a housing 1 and a protection component.

[0029] The shell 1 includes a shell 1, a control box 2 is arranged on the front side of the shell 1, a fixing block 3 is arranged on the front side of the control box 2, a rotary switch 4 is arranged inside the fixing block 3, and a paddle 5 is arranged on the front side of the rotary switch 4. A mounting groove 13 is arranged on the lower side of the shell 1, a mounting hole 14 is arranged inside the mounting groove 13, a first fixing hole 15 and a second fixing hole 16 are respectively arranged on both sides of the upper end of the control box 2, a fixing plate 17 is arranged on the upper side of the control box 2, the fixing plate 17 is arranged between the two control boxes 2, and fixing bolts 18 are arranged on both ends of the upper side of the fixing plate 17, and the fixing bolts 18 pass through the fixing plate 17 and are respectively screwed into the first fixing holes 15 and the second fixing holes 16 of the two control boxes 2.

[0030] The protection assembly includes a fixed plate 6 arranged on the front side of the control box 2, a fixed rod 7 is arranged on the inner side of the fixed plate 6, a rotating rod 8 is arranged on the outer side of the fixed rod 7, a protective shell 9 is arranged on the front side of the rotating rod 8, baffles 10 are arranged on both sides of the protective shell 9, a slot 11 is opened on the lower side of the baffle 10, and an observation window 12 is arranged on the front side of the protective shell 9. Specifically, in this embodiment, when the universal circuit breaker is in use, a fixed plate 6 with a fixed rod 7 is arranged on the front side of the control box 2, and the rotating rod 8 on the upper side of the protective shell 9 is sleeved on the outer side of the fixed rod 7, so that the protective shell 9 can be flipped open at any time on the surface of the control box 2, and the slots 11 opened on the baffles 10 on both sides of the protective shell 9 fit the arc of the fixed block 3 when the protective shell 9 is closed, and the observation window 12 on the front side of the protective shell 9 can observe the state of the internal rotating switch 4 and the paddle 5 when the protective shell 9 is not opened, which provides effective protection and shielding for the switch of the circuit breaker, and avoids the circuit breaker after installation from affecting its use effect due to the toggle of the knife switch caused by accidental touch.

[0031] Combination Figure 1-Figure 5 , a universal circuit breaker with high stability in this embodiment, the specific use process is as follows: a rotary switch 4 of a control switch and a paddle 5 on the front side are arranged on the control box 2 on the front side of the circuit breaker housing 1, and a first fixing hole 15 and a second fixing hole 16 are arranged on the upper side of each circuit breaker control box 2. The two circuit breakers are screwed into the first fixing hole 15 and the second fixing hole 16 through the fixing bolt 18 through the fixing plate 17, and the two circuit breakers can be combined. The lower side of the housing 1 is provided with a mounting groove 13 and an inner mounting hole 14 for fixing the housing 1.

[0032] In this embodiment, when the universal circuit breaker is protected, the protective housing 9 may not be completely closed due to the blocking of the rotating rod 8. For this reason, please refer to Figure 1-Figure 5In this embodiment, a limit rod 19 is provided at the front side of the control box 2, and a spring 20 is provided outside the limit rod 19, and the two ends of the spring 20 are respectively fixedly connected to the control box 2 and the protective shell 9. In this embodiment, in order to better protect the knife switch, when in use, the protective shell 9 will pull the internal spring 20 to extend when it is opened, and then when the protective shell 9 is closed, the spring 20 rebounds and the internal limit rod 19 limit the protective shell 9, so that the protective shell 9 can avoid the situation that it cannot be completely closed due to the jamming of the rotating rod 8, and further improve the protection and shielding effect of the protective shell 9 on the switch.

[0033] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A universal circuit breaker with high stability, characterized in that: include: A housing (1), comprising the housing (1), a control box (2) being arranged on the front side of the housing (1), a fixing block (3) being arranged on the front side of the control box (2), a rotary switch (4) being arranged inside the fixing block (3), and a paddle (5) being arranged on the front side of the rotary switch (4); The protection component comprises a fixing plate (6) arranged on the front side of a control box (2), a fixing rod (7) being arranged on the inner side of the fixing plate (6), a rotating rod (8) being arranged on the outer side of the fixing rod (7), a protection shell (9) being arranged on the front side of the rotating rod (8), baffles (10) being arranged on both sides of the protection shell (9), a hollow groove (11) being opened on the lower side of the baffle (10), and an observation window (12) being arranged on the front side of the protection shell (9).

2. A universal circuit breaker with high stability according to claim 1, characterized in that: The lower side of the housing (1) is provided with a mounting groove (13), and the inner side of the mounting groove (13) is provided with a mounting hole (14).

3. A universal circuit breaker with high stability according to claim 2, characterized in that: A first fixing hole (15) and a second fixing hole (16) are respectively provided on both sides of the upper end of the control box (2).

4. A universal circuit breaker with high stability according to claim 3, characterized in that: A fixing plate (17) is arranged on the upper side of the control box (2), and the fixing plate (17) is arranged between the two control boxes (2).

5. A universal circuit breaker with high stability according to claim 4, characterized in that: Fixing bolts (18) are arranged at both ends of the upper side of the fixing plate (17).

6. A universal circuit breaker with high stability according to claim 5, characterized in that: The fixing bolt (18) passes through the fixing plate (17) and is screwed into the first fixing hole (15) and the second fixing hole (16) of the two control boxes (2) respectively.

7. A universal circuit breaker with high stability according to claim 6, characterized in that: A limiting rod (19) is arranged on the front side of the control box (2), and a spring (20) is arranged on the outside of the limiting rod (19).

8. A universal circuit breaker with high stability according to claim 7, characterized in that: The two ends of the spring (20) are fixedly connected to the control box (2) and the protective shell (9) respectively.

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