CN221149851U - Operating device and circuit breaker - Google Patents

Abstract

The application provides an operating device and a circuit breaker, and relates to the technical field of electric components. The operating device comprises a shell, an operating mechanism, a locking piece and an interlocking piece. The casing is installed in the installation cabinet, and the casing has the mounting groove. The operating mechanism penetrates through the shell, part of the operating mechanism is installed in the installation groove and connected to the handle, the other part of the operating mechanism can extend out of the cabinet door, the operating mechanism is movably connected with the shell, and the operating mechanism can drive the handle to move. The locking piece is fixedly connected with the cabinet door, and part of the locking piece can extend into the mounting groove. The interlocking piece is rotatably arranged in the mounting groove, and can be clamped to the operating mechanism, and the operating mechanism is stopped unidirectionally. When the locking piece is in the first position, the locking piece can be matched with the interlocking piece so that the cabinet door is maintained in a closed state. According to the operating device provided by the application, the cabinet door of the installation cabinet can be maintained in the closed state under the condition that the breaker unit is closed, so that the use safety of the breaker unit is improved.

Description

Operating device and circuit breaker

Technical Field

The application relates to the technical field of electric components, in particular to an operating device.

Background

A circuit breaker is an electrical component that can provide a safety guarantee for a circuit. The circuit breaker generally comprises an operating device, in the using process of the circuit breaker, the circuit breaker can be arranged in the installation cabinet for ensuring the electricity safety, and part of the operating device is exposed out of the installation cabinet, so that a worker can conveniently adjust the using state of the circuit breaker through the operating device.

However, based on the operating device in the prior art, under the condition that the circuit is in a closing state, namely, a circuit is in a passage state, a cabinet door of the installation cabinet can be opened, electric shock accidents are easy to cause, and the risk is high.

Disclosure of utility model

The application provides an operating device which can enable a cabinet door of an installation cabinet to be maintained in a closed state under the condition that a breaker unit is closed, so that the use safety of the breaker unit is improved.

In a first aspect, an example of the present application provides an operating device connected to a circuit breaker unit in a mounting cabinet, the operating device being capable of moving a handle of the circuit breaker unit, the operating device including a housing, an operating mechanism, a locking member, and an interlocking member. Wherein, the casing is installed in the installation cabinet, has seted up the hole of stepping down relative with the casing on the cabinet door of installation cabinet, and the casing has the mounting groove, and the notch of mounting groove is towards the circuit breaker unit. The operating mechanism penetrates through the shell, one part of the operating mechanism is installed in the installation groove and is directly or indirectly connected to the handle, the other part of the operating mechanism can extend out of the cabinet door from the yielding hole, the operating mechanism is movably connected with the shell, and the handle can be driven to move by the relative movement of the operating mechanism and the shell, so that the circuit breaker unit can be partially switched among opening, closing or tripping.

The locking piece is fixedly connected with the cabinet door and moves along with the cabinet door, and part of the locking piece can extend into the mounting groove. The interlocking piece is rotatably arranged in the mounting groove, can be clamped to the operating mechanism and can be used for unidirectionally stopping the operating mechanism. The interlocking piece is matched with the locking piece, when the breaker unit is switched on, the locking piece can move to a first position of the limiting interlocking piece, and the locking piece can be matched with the interlocking piece to enable the cabinet door to be maintained in a closed state. When the breaker unit is opened or tripped, the locking piece can move to a second position for releasing the limiting interlocking piece, and the interlocking piece can be clamped and unidirectionally stop the operating mechanism.

According to the operating device provided by the example of the application, the shell can provide installation space for the operating mechanism, the locking piece and the interlocking piece. The operating mechanism can be directly or indirectly connected with the handle of the breaker unit, so that the breaker unit can be partially switched among opening, closing and tripping. The locking piece is fixedly connected with a cabinet door of the installation cabinet. The interlocking piece is arranged in the accommodating groove of the shell. When the breaker unit is switched on, the locking piece can limit the interlocking piece, because the interlocking piece is installed in the mounting groove, the casing is installed in the cabinet body, and the locking piece and the interlocking piece are clamped in the mounting groove, the locking piece is fixedly connected with the cabinet door, and therefore the cabinet door can be maintained in a closed state. When the breaker unit is switched on, the possibility that the cabinet door is opened is reduced, and the use safety of the breaker unit is improved.

In an alternative implementation, the locking member includes a mounting portion and a stop portion. The installation department fixed mounting is in the cabinet door, and the locking part is connected with the installation department, and the locking part extends towards the direction of installation cabinet inboard. The locking part can penetrate through the shell and extend into the mounting groove, and when the locking piece is in the first position, the locking part is clamped with the interlocking piece, so that the cabinet door is maintained in a closed state.

When the breaker unit is switched on, the locking part is clamped with the interlocking piece, and the fixing part is fixedly connected with the cabinet door, so that the cabinet door can be maintained in a closed state, and the use safety of the breaker unit is ensured.

In an alternative implementation manner, the middle part of the interlocking piece is provided with a through hole, the position of the stopping part deviating from the installation part is provided with a clamping protrusion, when the locking piece is in the first position, the stopping part penetrates through the through hole, and the clamping protrusion is positioned on one side of the interlocking piece deviating from the installation part, so that the cabinet door is maintained in a closed state. Or the middle part of the interlocking piece is provided with a through hole, the position of the stopping part, which is away from the mounting part, is provided with a clamping groove, when the locking piece is in the first position, the stopping part penetrates through the through hole, and the interlocking piece part is positioned in the clamping groove, so that the cabinet door is maintained in a closed state.

In an alternative embodiment, the locking groove is provided on the stop part, the groove wall of the locking groove adjacent to the groove bottom of the mounting groove being at least partially inclined.

In the process that the interlocking piece is clamped to the clamping groove, the interlocking piece can enter the position with the largest notch size of the clamping groove at first, and the interlocking piece can enter the clamping groove conveniently.

In an alternative implementation, the operating mechanism includes a knob and a cam that are fixedly connected, one side of the knob is located outside the housing and can extend out of the cabinet door from the abdication hole, and the other side of the knob extends into the mounting groove and is fixedly connected with the cam. The interlocking piece is matched with the cam, the rotation of the cam can drive the interlocking piece to swing, and under the condition that the locking piece is at the first position, the interlocking piece and the cam are arranged at intervals. When the locking piece is at the second position, the interlocking piece is abutted to the outer peripheral surface of the cam, and the interlocking piece can be clamped and unidirectionally stopped with the cam in the moving process of the cam.

In an alternative implementation, the interlocking member includes an interlocking body and a push rod that are connected, the interlocking body is rotatably connected to the housing, and the through hole is formed in the interlocking body. The ejector rod extends towards the direction of the cam, the ejector rod is matched with the cam, the rotation of the cam can drive the interlocking main body to swing through the ejector rod, and the interlocking main body can swing to a position movably connected with the locking piece or swing to the periphery of the through hole.

In an alternative implementation mode, a first clamping part is arranged at the end part of the ejector rod, which is away from the interlocking main body, and a second clamping part matched with the first clamping part is arranged on the outer circumferential surface of the cam.

Under the condition that the locking piece is in the second position, the cabinet door can be in an open state, the breaker unit is opened, the interlocking piece can rotate under the action of the elastic piece, so that the first clamping part is clamped with the second clamping part, the cam is prevented from reversely rotating to enable the breaker unit to be closed, and the use safety of the breaker unit is guaranteed.

In an alternative implementation, the interlocking member is rotatably connected to the housing by a fixed shaft that is rotatable relative to the housing, the fixed shaft being fixedly connected to the interlocking member. The shell is provided with an adjusting hole, the fixed shaft penetrates through the adjusting hole, the end part of the fixed shaft, which is away from the circuit breaker unit, is provided with an adjusting groove, and the position of the interlocking piece relative to the locking piece can be adjusted through the adjusting groove from the adjusting hole.

In an alternative implementation, the operating device further includes an elastic member, one end of the elastic member is fixedly connected with the housing, and the other end of the elastic member is connected with the interlocking member.

When the circuit breaker unit is switched on, the interlocking piece can rotate under the drive of the elastic piece through the elastic piece, so that the interlocking piece is limited with the locking piece, the cabinet door is further kept in a closed state, and the use safety of the circuit breaker unit is guaranteed. When the breaker unit is opened, the interlocking piece and the locking piece are unlocked under the action of the elastic piece and the operating mechanism, so that the cabinet door can be in an open state.

In a second aspect, the present example provides a circuit breaker comprising a mounting cabinet, a circuit breaker unit and an operating device provided in each of the possible designs of the first aspect, the mounting cabinet being provided with a closable cabinet door, the mounting cabinet being provided with the circuit breaker unit therein, the operating device being connected to the circuit breaker unit, the operating device being capable of controlling opening or closing of the circuit breaker unit via a transmission mechanism.

The advantages of the second aspect and the circuit breaker provided in each possible design of the second aspect may be referred to the advantages brought by each possible implementation of the first aspect and each possible implementation of the first aspect, which are not described herein again.

Drawings

Fig. 1 is a schematic diagram illustrating a circuit breaker according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of an operation device according to an example of the present application.

Fig. 3 is a schematic structural diagram of an operating device for opening a circuit breaker unit according to an example of the present application.

Fig. 4 is a schematic structural diagram of an operating device for opening a circuit breaker unit according to an example of the present application.

Fig. 5 is a schematic structural view of an operation device when a cabinet door is opened according to an example of the present application.

Fig. 6 is a schematic structural view of a locking member according to an example of the present application.

Fig. 7 is a schematic structural view of another locking member provided by an example of the present application.

Fig. 8 is a schematic structural view of an interlocking member according to an example of the present application.

Fig. 9 is a schematic structural view of a housing according to an example of the present application.

Fig. 10 is a schematic structural view of a fixing shaft according to an example of the present application.

Reference numerals illustrate:

100. An operating device; 110. a housing; 111. an adjustment aperture; 120. an operating mechanism; 130. an interlocking member; 131. an interlocking body; 1311. a waist-shaped hole; 1312. a through hole; 132. a push rod; 140. a fixed shaft; 141. a mounting section; 142. an adjustment tank; 150. a locking member; 151. a mounting part; 152. a stopper; 1521. a clamping groove; 1522. the clamping bulge; 160. an elastic member; A. the height of the first groove wall; B. the height of the second groove wall; 200. a circuit breaker unit.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present examples more apparent, the technical solutions in the present examples will be clearly and completely described below with reference to the accompanying drawings in the present examples, and it is apparent that the described examples are some, but not all examples of the present application. All other examples, which a person of ordinary skill in the art would obtain without undue burden based on the examples in this disclosure, are within the scope of this disclosure.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular examples only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the application and in the description of the drawings are intended to cover a non-exclusive inclusion.

Reference herein to "an example" means that a particular feature, structure, or characteristic described in connection with the example may be included in at least one example of the application. The appearances of the phrase "in an example" in various places in the specification are not necessarily all referring to the same example, nor are separate or alternative examples mutually exclusive of other examples. Those skilled in the art will explicitly and implicitly understand that the examples described herein may be combined with other examples.

The term "and/or" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: there are three cases, a, B, a and B simultaneously. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

The directional terms appearing in the following description are directions shown in the drawings and do not limit the specific structure of the operation device of the present application.

Furthermore, the terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not for describing a particular sequential order, and may be used to improve one or more of these features either explicitly or implicitly.

In the description of the present application, unless otherwise indicated, the meaning of "plurality" means two or more (including two), and similarly, "plural sets" means two or more (including two).

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., the terms "connected" or "connected" of a mechanical structure may refer to a physical connection, e.g., the physical connection may be a fixed connection, e.g., by a spacer, such as by a screw, bolt, or other spacer; the physical connection may also be a detachable connection, such as a snap-fit or snap-fit connection; the physical connection may also be an integral connection, such as a welded, glued or integrally formed connection. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

In order to better understand the solution of the present application, the operating device and the circuit breaker provided by the examples of the present application will be clearly and completely described below with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a circuit breaker provided by an example of the present application, referring to fig. 1, the example of the present application provides a circuit breaker, which includes a mounting cabinet, a circuit breaker unit 200 and an operating device 100, a closable cabinet door is disposed on the mounting cabinet, the circuit breaker unit 200 is disposed in the mounting cabinet, the operating device 100 is connected to the circuit breaker unit 200, and the operating device 100 can control opening or closing of the circuit breaker unit 200 through a transmission mechanism.

The operating device 100 may be directly connected to the handle of the circuit breaker unit 200, driving the handle to move. The operating device 100 may also be connected to the handle through a transmission mechanism, so as to drive the handle to move. The breaker unit 200 can be brought into different use states by controlling the handle movement by the operating device 100.

The operation device 100 is generally used with the circuit breaker unit 200, so as to facilitate an operator to adjust the usage state of the circuit breaker unit 200 through the operation device 100. During use of the circuit breaker unit 200, the circuit breaker unit 200 is typically installed in a mounting cabinet. The cabinet door of the installation cabinet has two states of an opening state and a closing state. Offer the hole of stepping down that corresponds with casing 110 on the cabinet door of installation cabinet, under the cabinet door of installation cabinet closed condition, casing 110 can partly expose the cabinet door, and casing 110 also can be located the cabinet internally completely, as long as operating personnel can follow the hole of stepping down through operating means 100 adjustment circuit breaker unit 200's in service condition.

Next, the operation device 100 mentioned in the above example is described in a development.

Fig. 2 is a schematic structural view of an operating device according to an embodiment of the present application, fig. 3 is a schematic structural view of the operating device according to an embodiment of the present application when a breaker unit is opened, fig. 4 is a schematic structural view of the operating device according to an embodiment of the present application when a breaker unit is opened, fig. 5 is a schematic structural view of the operating device according to an embodiment of the present application when a cabinet door is opened, please refer to fig. 2 to fig. 5, an operating device 100 is connected to a breaker unit 200 in a mounting cabinet, the operating device 100 can drive a handle of the breaker unit 200 to move, and the operating device 100 may include a housing 110, an operating mechanism 120, a locking member 150 and an interlocking member 130. Wherein, the casing 110 is installed in the installation cabinet, offer the hole of stepping down relative with casing 110 on the cabinet door of installation cabinet, casing 110 has the mounting groove, and the notch of mounting groove is towards circuit breaker unit 200. The operating mechanism 120 is arranged in the shell 110 in a penetrating way, one part of the operating mechanism 120 is arranged in the mounting groove and is directly or indirectly connected to the handle, the other part of the operating mechanism 120 can extend out of the cabinet door from the yielding hole, the operating mechanism 120 is movably connected with the shell 110, and the handle can be driven to move by the relative movement of the operating mechanism 120 and the shell 110, so that the circuit breaker unit 200 can be switched among the opening, closing or tripping.

The locking member 150 is fixedly connected with the cabinet door and moves along with the cabinet door, and a part of the locking member 150 can extend into the mounting groove. The interlocking member 130 is rotatably installed in the installation groove, and the interlocking member 130 can be clamped to the operating mechanism 120, so that the operating mechanism 120 can be unidirectionally stopped. The interlocking piece 130 is matched with the locking piece 150, when the circuit breaker unit 200 is switched on, the locking piece 150 can move to a first position of limiting the interlocking piece 130, and the locking piece can be matched with the interlocking piece to enable the cabinet door to be maintained in a closed state. When the circuit breaker unit 200 is opened or tripped, the locking member 150 can be moved to the second position where the limit interlocking member 130 is released, and the interlocking member 130 can be engaged with the unidirectional stopper operating mechanism 120.

According to the operating device 100 provided by the example of the present application, the housing 110 can provide an installation space for the operating mechanism 120, the locking member 150, and the interlocking member 130. The operating mechanism 120 can be directly or indirectly connected to the handle of the circuit breaker unit 200 such that the circuit breaker unit 200 can be partially switched between open, closed, or tripped. The locking member 150 is fixedly connected to the cabinet door of the installation cabinet. The interlocking member 130 is installed in the receiving groove of the housing 110.

When the circuit breaker unit 200 is closed, the locking member 150 can limit the interlocking member 130, and the cabinet door can be maintained in a closed state. Specifically, the casing 110 is installed in the cabinet body, the cabinet door can be movably connected with the cabinet body, the interlocking piece 130 is installed in the installation groove of the casing 110, the locking piece 150 is fixedly connected with the cabinet door, and after the locking piece 150 and the interlocking piece 130 are clamped in the installation groove, the cabinet door cannot continue to move corresponding to the casing 110, so that the cabinet door is maintained in a closed state.

When the circuit breaker unit 200 is opened or tripped, the cabinet door may be in a closed state with the locking member 150 in the second position, and at this time, the locking member 150 releases the limit of the interlocking member 130, so that the cabinet door may be in an opened state at any time. Under the condition that the locking piece 150 is at the second position, the cabinet door can also be in an open state, after the cabinet door is opened, the limit of the locking piece 150 to the interlocking piece 130 disappears, the interlocking piece 130 can be clamped with the operating mechanism 120, the operating mechanism 120 is stopped unidirectionally, the operating mechanism 120 is prevented from controlling the circuit breaker unit 200 to be closed, and the use safety of the circuit breaker unit 200 is improved.

The example of the application can reduce the possibility that the cabinet door is opened when the circuit breaker unit 200 is closed, and improve the use safety of the circuit breaker unit 200.

The operating mechanism 120 may include a plurality of connected components. The operating mechanism 120 may be disposed through the housing 110, and a portion of the operating mechanism 120 is disposed in the mounting groove and can be directly connected to the handle of the circuit breaker unit 200 or indirectly connected to the circuit breaker unit 200 through a transmission member. The other part of the operating mechanism 120 can extend out of the cabinet door from the abdication hole, or the other part of the operating mechanism 120 corresponds to the position of the abdication hole, so that an operator can pass through the adjusting operating mechanism 120 from the abdication hole, and the operating mechanism 120 can drive the handle of the circuit breaker unit 200 to move, and then the using state of the circuit breaker unit 200 is adjusted.

The usage status of the circuit breaker unit 200 includes closing, opening and tripping. When the circuit breaker unit 200 is closed, a circuit to which the circuit breaker unit 200 is connected is in a path state, and a current flows through the circuit. When the breaker unit 200 is opened, a circuit to which the breaker unit 200 is connected is in a broken state, and no current flows through the circuit. In the case where the circuit breaker unit 200 is closed, if an abnormal condition such as overload, short circuit, etc. occurs in the circuit, the circuit breaker unit 200 may trip.

In the case where the circuit breaker unit 200 is operating normally, the operating mechanism 120 may cause the circuit breaker unit 200 to switch between opening and closing. In the event that the circuit breaker unit 200 trips, the operating mechanism 120 may adjust the circuit breaker unit 200 to be in a rebuckled state, and then further adjust the circuit breaker unit 200 to close such that current is flowing in the circuit.

The locking member 150 is fixedly connected with the cabinet door, and the locking member 150 can move along with the cabinet door. The interlocking member 130 is rotatably installed in the installation groove. The locking member 150 and the interlocking member 130 may be metal members, and the materials of the locking member 150 and the interlocking member 130 may be the same or different, which is not limited by the present embodiment.

With the locking member 150 in the first position, the locking member 150 is capable of engaging the interlocking member 130 such that the cabinet door is maintained in a closed condition. For example, an operator may manually adjust the position of the interlocking member 130 such that the locking member 150 is engaged with the interlocking member 130. The interlocking member 130 may be driven by other mechanisms, which may be elastic members, to be in a position of being engaged with the interlocking member 130. Because the interlocking piece 130 is installed in the installation groove, the shell 110 is installed in the cabinet body, and the locking piece 150 and the interlocking piece 130 are clamped in the installation groove, and the locking piece 150 is fixedly connected with the cabinet door, the cabinet door can be maintained in a closed state. When the circuit breaker unit 200 is closed, the possibility that the cabinet door is opened is reduced, and the use safety of the circuit breaker unit 200 is improved.

In the case that the locking member 150 is in the second position, the cabinet door may be in the closed state, and at this time, the interlocking member 130 and the locking member 150 are released from the limit, so that the cabinet door may be in the open state at any time. The cabinet door can also be in an open state, after the cabinet door is opened, the limit of the locking piece 150 to the interlocking piece 130 disappears, the interlocking piece 130 can be clamped with the operating mechanism 120, the operating mechanism 120 can be stopped unidirectionally, the operating mechanism 120 is prevented from controlling the circuit breaker unit 200 to be closed, and the use safety of the circuit breaker unit 200 is improved.

Based on the operation device 100 provided by the above example, referring to fig. 2, the operation device 100 may further include an elastic member 160, one end of the elastic member 160 is fixedly connected with the housing 110, and the other end of the elastic member 160 is connected with the interlocking member 130.

The housing 110 may be provided with a mounting protrusion to which an end of the elastic member 160 may be hung. The housing 110 may also be fixedly connected with a connecting member, the connecting member may be a metal member, such as a screw, a bolt, etc., and an end portion of the elastic member 160 may be hung on the connecting member, so as to ensure connection reliability between the elastic member 160 and the housing 110.

The interlocking member 130 may be provided with a fixing hole through which the end of the elastic member 160 is fixedly connected with the interlocking member 130. The other end of the elastic member 160 may be hung on the connection member.

The elastic member 160 may be a tension spring, which may be installed at one side of the interlocking member 130 to apply an elastic force to the interlocking member 130. The operating mechanism 120 may apply pressure to the interlock 130 in a direction substantially opposite to the direction of the pressure. Under the action of the elastic member 160 and the operating mechanism 120, the interlocking member 130 can be located at a position where the locking member 150 is released, so that the locking member 150 can be unlocked from the interlocking member 130, and the cabinet door can be in an opened state.

Through setting up the elastic component 160, can be when circuit breaker unit 200 is closed a floodgate for interlocking piece 130 takes place to rotate under the drive of elastic component 160, makes interlocking piece 130 and locking piece 150 spacing mutually, makes the cabinet door maintain at closed state, guarantees circuit breaker unit 200's safety in utilization.

The elastic member 160 may also be provided as a torsion spring including a first moment arm, a torsion spring body, and a second moment arm. The torsion spring main body can be sleeved on the fixed shaft 140, the first force arm is abutted against the groove wall of the mounting groove, the second force arm is abutted against the interlocking piece 130, and elastic force is provided for the interlocking piece 130, so that the interlocking piece 130 can rotate under the action of the torsion spring and the operating mechanism 120 to be limited by the locking piece 150, or the interlocking piece 130 and the locking piece 150 are released from being limited. The torsion spring body may also be fixedly installed in the installation groove, and the specific installation mode of the torsion spring is not limited by the present example. The elastic member may be configured as an elastic sheet, and the parts such as the housing 110 and the interlocking member 130 may be adaptively adjusted according to the form of the elastic member 160.

Based on the operation device 100 provided in the above example, fig. 6 is a schematic structural view of a locking member provided in the example of the present application, and referring to fig. 3 and 6, the locking member 150 includes a mounting portion 151 and a stop portion 152. The mounting portion 151 is fixedly mounted to the cabinet door, the stopper 152 is connected to the mounting portion 151, and the stopper 152 extends toward the inside of the mounting cabinet. The stopping portion 152 can penetrate through the housing 110 and extend into the mounting groove, and when the locking member 150 is in the first position, the stopping portion 152 is clamped with the interlocking member 130, so that the cabinet door is maintained in a closed state.

The stopper 152 and the mounting portion 151 may be integrally formed, and the stopper 152 and the mounting portion 151 may be detachably connected, for example, by screws, rivets, or the like, so long as the connection reliability of the stopper 152 and the mounting portion 151 is ensured.

The mounting portion 151 may be fixedly connected to the cabinet door by means of welding, threaded connection, or the like, so as to fixedly connect the locking member 150 to the cabinet door.

The housing 110 is provided with a through hole from which the stopper 152 can penetrate and protrude into the mounting groove. When the locking member 150 is in the first position, i.e. the cabinet door is in a closed state. When the circuit breaker unit 200 is closed, the interlocking member 130 is rotated by the pushing of the operating mechanism 120, the interlocking member 130 can be engaged with the stopper 152, the positions of the interlocking member 130 and the stopper 152 are limited, and the stopper 152 is connected to the mounting portion 151, so that the mounting portion 151 is fixedly connected to the cabinet door, and the cabinet door can be maintained in the closed state.

The interlocking member 130 may be engaged with the stop portion 152 in various manners, for example, a through hole may be provided on the interlocking member 130, and an end portion of the stop portion 152 may be provided with a protrusion, so that the stop portion 152 is engaged with the interlocking member 130 through the engagement of the protrusion and the through hole. The interlocking member 130 may be provided with a through hole, and the end of the stop portion 152 may be provided with a groove, so that the stop portion 152 and the interlocking member 130 are clamped by clamping the groove and the through hole. The interlocking member 130 may also be provided with a groove, and the end of the stop portion 152 may be provided with a protrusion, so that the stop portion 152 is engaged with the interlocking member 130 by engaging the groove with the protrusion. The interlocking member 130 may also be provided with a groove, and the end of the stop portion 152 may be provided with a groove, so that the stop portion 152 and the interlocking member 130 are clamped by the clamping of the groove and the groove.

In summary, when the circuit breaker unit 200 is switched on, the stop portion 152 is clamped with the interlocking member 130, and the fixing portion is fixedly connected with the cabinet door, so that the cabinet door can be maintained in a closed state, and the use safety of the circuit breaker unit 200 is ensured.

Based on the operating device 100 provided by the above example, fig. 7 is a schematic structural view of another locking member provided by the present application, fig. 8 is a schematic structural view of an interlocking member provided by the present application, referring to fig. 6 to 8, a through hole 1312 may be provided in a middle portion of the interlocking member 130, a clamping protrusion 1522 may be provided at a position of the stopping portion 152 away from the mounting portion 151, when the locking member 150 is in the first position, the stopping portion 152 is penetrated through the through hole 1312, and the clamping protrusion 1522 is located on a side of the interlocking member 130 away from the mounting portion 151, so that the cabinet door is maintained in a closed state. Or the middle part of the interlocking piece 130 is provided with a through hole 1312, the position of the stop part 152 away from the mounting part 151 is provided with a clamping groove 1521, when the locking piece 150 is in the first position, the stop part 152 is arranged in the through hole 1312 in a penetrating way, and the interlocking piece 130 is partially positioned in the clamping groove 1521, so that the cabinet door is maintained in a closed state.

The through hole 1312 may be rectangular, circular, or the shape of the through hole 1312 may be adapted to the rotation track of the interlocking member 130, as long as the stopper 152 is ensured to pass through the through hole 1312, and the stopper 152 is capable of being clamped with the interlocking member 130 when the locking member 150 is in the first position.

Referring to fig. 6, a clamping protrusion 1522 may be disposed at a position of the stopping portion 152 away from the mounting portion 151, when the circuit breaker unit 200 is closed, the stopping portion 152 may extend into the through hole 1312, and the clamping protrusion 1522 is located at a side of the interlocking member 130 away from the mounting portion 151, a certain gap may exist between the clamping protrusion 1522 and the interlocking member 130, and the clamping protrusion 1522 may also contact the interlocking member 130. When the cabinet door of the installation cabinet has an opening trend, the clamping protrusion 1522 can be abutted against the interlocking piece 130, so that the cabinet door is ensured to be maintained in a closed state, and the use safety of the circuit breaker unit 200 is ensured.

Referring to fig. 7, a position of the stop portion 152 away from the mounting portion 151 may be provided with a clamping groove 1521, and the clamping groove 1521 may include a first groove wall near the mounting portion 151 and a second groove wall far from the mounting portion 151. When the circuit breaker unit 200 is switched on, the stop portion 152 may extend into the through hole 1312, and the interlocking member 130 is partially located in the clamping groove 1521, a certain gap may exist between the second groove wall of the clamping groove 1521 and the interlocking member 130, and the clamping groove 1521 may also contact with the interlocking member 130. When the cabinet door of the installation cabinet has an opening trend, the second groove wall of the clamping groove 1521 is abutted against the interlocking piece 130, so that the connection reliability of the stop part 152 and the interlocking piece 130 is ensured, the cabinet door is ensured to be maintained in a closed state, and the use safety of the circuit breaker unit 200 is ensured.

In the operating device 100 provided by the above example, referring to fig. 7, when the locking groove 1521 is provided on the stopper 152, the locking groove 1521 is at least partially inclined near the groove wall of the mounting portion 151.

The catching groove 1521 is adjacent to the groove wall of the mounting portion 151, that is, the first groove wall mentioned in the foregoing example, and the first groove wall may be inclined in a direction of the mounting portion 151 toward the stopper 152. Based on this, in the process of the interlocking member 130 being clamped to the clamping groove 1521, the interlocking member 130 can first enter the position with the largest notch size of the clamping groove 1521, so that the interlocking member 130 can enter the clamping groove 1521.

In some examples, referring to fig. 7, the height B of the second groove wall is greater than the height a of the first groove wall, that is, the distance between the end surface of the stop portion 152 near the second side wall and the bottom wall of the locking groove 1521 is greater than the distance between the end surface of the stop portion 152 near the first side wall and the bottom wall of the locking groove 1521.

Based on this, when the interlocking member 130 abuts against the clamping groove 1521, the contact area between the interlocking member 130 and the groove wall of the clamping groove 1521 can be made larger, so as to further ensure the connection reliability of the stop portion 152 and the interlocking member 130, ensure that the cabinet door is maintained in the closed state, and ensure the use safety of the circuit breaker unit 200.

Based on the operation device 100 provided by the above example, the end of the stop portion 152 away from the mounting portion 151 may be provided with a guide surface, based on which, in the process that the stop portion 152 extends into the through hole 1312, the end with the smallest cross section of the stop portion 152 may extend into the through hole 1312 first, so that the stop portion 152 easily extends into the through hole 1312, and the efficiency of closing the cabinet door is improved.

Based on the operating device 100 provided by the above example, the operating mechanism 120 includes a knob and a cam that are fixedly connected, one side of the knob is located outside the housing 110 and can extend out of the cabinet door from the abdication hole, and the other side of the knob extends into the installation groove and is fixedly connected with the cam. The interlocking piece 130 is matched with a cam, the rotation of the cam can drive the interlocking piece 130 to swing, and under the condition that the locking piece 150 is at the first position, the interlocking piece 130 is arranged at intervals with the cam. When the locking member 150 is in the second position, the interlocking member 130 abuts against the outer circumferential surface of the cam, and the interlocking member 130 can be engaged with and unidirectionally stop the cam during movement of the cam.

One side of the knob may protrude from the relief hole to the cabinet door, based on which the use state of the circuit breaker unit 200 may be adjusted by adjusting the position of the knob. For example, the circuit breaker unit 200 may be closed when the knob is in the first adjustment position. When the knob is in the third adjustment position, the circuit breaker unit 200 may be opened. When overload, short circuit, etc. occur in the circuit, the circuit breaker unit 200 trips, the knob is in a second adjustment position, which may be between the first adjustment position and the second adjustment position, and a third adjustment position may be between the first adjustment position and the second adjustment position, and the specific arrangement of the three adjustment positions is merely exemplary and not limiting. The present application is illustrated with the second adjustment position being merely exemplary between the first adjustment position and the second adjustment position.

The other side of the knob can extend into the mounting groove and is fixedly connected with the cam in a hole shaft matching, threaded connection and other connection modes. Based on this, rotation of the knob can drive the cam to rotate. The cam refers to mechanical parts with different distances from the outer edge to the rotation center at different positions.

Referring to fig. 3, when the knob is at the first adjustment position, the circuit breaker unit 200 is closed, the cam is spaced from the interlocking member 130, and the interlocking member 130 can be engaged with the locking member 150 under the elastic force of the elastic member 160. Or under the condition that the elastic piece 160 is not arranged, an operator can manually adjust the position of the interlocking piece 130, so that the interlocking piece 130 is clamped with the locking piece 150, namely, the locking piece 150 is in the first position, and under the condition that the cabinet door has an opening trend, the locking piece 150 can be abutted with the interlocking piece 130, so that the cabinet door of the installation cabinet is maintained in a closed state.

Referring to fig. 4, when the knob is at the third adjustment position, the circuit breaker unit 200 is opened, the outer circumferential surface of the cam abuts against the interlocking member 130, so that the interlocking member 130 is provided with a pressure substantially opposite to the direction of the elastic force, and the interlocking member 130 is rotated to a position unlocked from the locking member 150, and when the cabinet door has an opening trend, the locking member 150 can be pulled out from the interlocking member 130, so that the cabinet door is in an open state, and an operator can conveniently overhaul, replace and the like electrical components in the installation cabinet.

Referring to fig. 5, after the cabinet door is opened, the locking member 150 is pulled out from the interlocking member 130, that is, the locking member 150 is in the second position, the interlocking member 130 can rotate under the action of the elastic member 160 and abut against the outer circumferential surface of the cam, and the interlocking member 130 can be clamped with the cam and unidirectionally stop the cam, so as to prevent the circuit breaker unit 200 from being closed when the cabinet door is opened.

Based on the operating device 100 provided by the above example, the interlocking member 130 includes the interlocking body 131 and the ejector 132 that are connected, the interlocking body 131 is rotatably connected to the housing 110, and the through hole 1312 is opened in the interlocking body 131. The ejector rod 132 extends towards the direction of the cam, the ejector rod 132 is matched with the cam, the rotation of the cam can drive the interlocking main body 131 to swing through the ejector rod 132, and the interlocking main body 131 can swing to a position movably connected with the locking piece 150 or swing to the circumferential side of the through hole 1312, wherein the locking piece 150 is locked on the circumferential side of the through hole 1312.

The interlocking body 131 and the ejector 132 may be integrally formed, and the interlocking body 131 and the ejector 132 may be fixedly connected by a connection method such as welding. The through hole 1312 is opened in the interlocking body 131, and the stopper 152 can be engaged with the interlocking body 131 when the circuit breaker unit 200 is closed.

When the circuit breaker unit 200 is disconnected, the rotation of the cam can apply pressure to the ejector 132, and as the ejector 132 is fixedly connected with the interlocking member 130, the cam can enable the interlocking member 130 to swing, so that the locking member 150 and the interlocking member 130 are unlocked, and the cabinet door is convenient to open.

When the circuit breaker unit 200 is closed, the interlocking member 130 can rotate under the action of the elastic member 160 when the cam rotates to a position separated from the interlocking member 130, so that the locking member 150 is locked at the circumferential side of the through hole 1312, so that the locking member 150 is clamped with the interlocking member 130, and the cabinet door is maintained in a closed state.

Based on the operating device 100 provided in the above example, the end of the ejector rod 132 facing away from the interlocking body 131 is provided with a first clamping portion, and the outer circumferential surface of the cam is provided with a second clamping portion adapted to the first clamping portion.

Under the condition that the locking member 150 is at the second position, that is, the cabinet door is in an open state, the circuit breaker unit 200 is opened, the interlocking member 130 can rotate under the action of the elastic member 160, so that the first clamping part is clamped with the second clamping part, the cam is prevented from reversely rotating to enable the circuit breaker unit 200 to be closed, and the use safety of the circuit breaker unit 200 is ensured.

Based on the operating device 100 provided by the above example, fig. 9 is a schematic structural view of a housing provided by the present application, and fig. 10 is a schematic structural view of a fixing shaft provided by the present application, referring to fig. 8 to 10, the interlocking member 130 is rotatably connected with the housing 110 through the fixing shaft 140, the fixing shaft 140 is rotatable relative to the housing 110, and the fixing shaft 140 is fixedly connected with the interlocking member 130. The housing 110 is provided with an adjusting hole 111, the fixed shaft 140 is inserted into the adjusting hole 111, an adjusting groove 142 is formed at an end of the fixed shaft 140 facing away from the circuit breaker unit 200, and the position of the interlocking member 130 relative to the locking member 150 can be adjusted through the adjusting groove 142 from the adjusting hole 111.

The fixed shaft 140 can be in interference connection with the interlocking piece 130, the interlocking piece 130 can be provided with a waist-shaped hole 1311, the end part of the fixed shaft 140 is provided with a mounting section 141 matched with the waist-shaped hole 1311, the fixed shaft 140 can be in interference connection with the interlocking piece 130, or the fixed shaft 140 and the interlocking piece 130 are fixedly connected through the cooperation of the waist-shaped hole 1311 and the mounting section 141.

The end of the fixed shaft 140, which is away from the bottom of the mounting groove, can be provided with a threaded hole, the threaded hole can be matched with a screw, the interlocking piece 130 is limited by the nut of the screw, and the connection reliability among the interlocking piece 130, the fixed shaft 140 and the shell 110 is further ensured.

The fixed axle 140 deviates from the tip of circuit breaker unit 200 and can be equipped with adjustment tank 142, under the circumstances that circuit breaker unit 200 needs electrified maintenance, operating personnel can open the cabinet door of installing the cabinet under the circumstances that circuit breaker unit 200 breaks the floodgate, through adjusting adjustment tank 142 for rotate with fixed axle 140 fixed connection's interlock 130, make first joint portion and second joint portion unlock, make cam and knob can rotate to first adjustment position, make circuit breaker unit 200 switch-on, the operating personnel of being convenient for carry out electrified maintenance to circuit breaker unit 200.

Claims (10)

1. An operating device connected to a circuit breaker unit in a mounting cabinet, the operating device being capable of moving a handle of the circuit breaker unit, the operating device comprising:

The shell is arranged in the installation cabinet, a counter hole opposite to the shell is formed in a cabinet door of the installation cabinet, the shell is provided with an installation groove, and a notch of the installation groove faces the circuit breaker unit;

The operating mechanism is arranged in the shell in a penetrating way, one part of the operating mechanism is arranged in the mounting groove and is directly or indirectly connected to the handle, the other part of the operating mechanism can extend out of the cabinet door from the yielding hole, the operating mechanism is movably connected with the shell, and the handle can be driven to move by the relative movement of the operating mechanism and the shell, so that the circuit breaker unit can be switched among opening, closing or tripping;

The locking piece is fixedly connected with the cabinet door and moves along with the cabinet door, and part of the locking piece can extend into the mounting groove;

The interlocking piece is rotatably arranged in the mounting groove, can be clamped to the operating mechanism and can unidirectionally stop the operating mechanism;

The interlocking piece is matched with the locking piece, when the circuit breaker unit is switched on, the locking piece can move to a first position for limiting the interlocking piece, and the locking piece can be matched with the interlocking piece to enable the cabinet door to be maintained in a closed state; when the breaker unit is disconnected or tripped, the locking piece can move to a second position for releasing the limit of the interlocking piece, and the interlocking piece can be clamped and unidirectionally stop the operating mechanism.

2. The operating device according to claim 1, wherein the locking member includes a mounting portion and a stopper portion;

The mounting part is fixedly mounted on the cabinet door, the stop part is connected with the mounting part, and the stop part extends towards the inner side of the mounting cabinet;

The locking part can penetrate through the shell and extend into the mounting groove, and when the locking part is positioned at the first position, the locking part is clamped with the interlocking part, so that the cabinet door is maintained in a closed state.

3. The operating device according to claim 2, wherein a through hole is formed in the middle of the interlocking member, a clamping protrusion is formed at a position of the stopping portion facing away from the mounting portion, when the locking member is in the first position, the stopping portion is arranged through the through hole in a penetrating manner, and the clamping protrusion is located on one side of the interlocking member facing away from the mounting portion, so that the cabinet door is maintained in a closed state; or alternatively

The middle part of interlocking piece is provided with the through-hole, the stop part deviates from the position of installation department is provided with the joint groove, the locking piece is in when the first position, the stop part wears to locate the through-hole, just interlocking piece part is located in the joint groove, make the cabinet door maintains in the closed state.

4. An operating device according to claim 3, wherein, in the case where the locking groove is provided on the stopper portion, the locking groove is provided at least partially obliquely adjacent to the groove wall of the mounting portion.

5. The operating device according to claim 3, wherein the operating mechanism comprises a knob and a cam which are fixedly connected, one side of the knob is positioned outside the shell and can extend out of the cabinet door from the abdication hole, and the other side of the knob extends into the mounting groove and is fixedly connected with the cam;

The interlocking piece is matched with the cam, the rotation of the cam can drive the interlocking piece to swing, and the interlocking piece and the cam are arranged at intervals under the condition that the locking piece is positioned at the first position; when the locking piece is in the second position, the interlocking piece is abutted to the outer peripheral surface of the cam, and the interlocking piece can be clamped and unidirectionally stopped along with the cam in the moving process.

6. The operating device according to claim 5, wherein the interlocking member comprises an interlocking body and a push rod which are connected, the interlocking body is rotatably connected to the housing, and the through hole is opened in the interlocking body;

The ejector rod extends towards the direction of the cam, the ejector rod is matched with the cam, the rotation of the cam can drive the interlocking main body to swing through the ejector rod, and the interlocking main body can swing to a position movably connected with the locking piece or swing to the periphery of the through hole.

7. The operating device according to claim 6, wherein a first clamping portion is provided at an end of the ejector rod facing away from the interlocking body, and a second clamping portion adapted to the first clamping portion is provided on an outer peripheral surface of the cam.

8. The operating device according to claim 1, wherein the interlocking member is rotatably connected to the housing via a fixed shaft, the fixed shaft being rotatable relative to the housing, the fixed shaft being fixedly connected to the interlocking member;

The shell is provided with an adjusting hole, the fixed shaft penetrates through the adjusting hole, the end part of the fixed shaft, which is away from the circuit breaker unit, is provided with an adjusting groove, and the position of the interlocking piece relative to the locking piece can be adjusted through the adjusting groove from the adjusting hole.

9. The operating device according to any one of claims 1 to 8, further comprising an elastic member, one end of the elastic member being fixedly connected to the housing, and the other end of the elastic member being connected to the interlocking member.

10. A circuit breaker comprising a mounting cabinet, a circuit breaker unit and an operating device according to any one of claims 1-9, wherein a closable cabinet door is provided on the mounting cabinet, the circuit breaker unit is provided in the mounting cabinet, the operating device is connected to the circuit breaker unit, and the operating device is capable of directly or indirectly controlling the opening or closing of the circuit breaker unit.