CN217933655U

CN217933655U - Anti-plugging in-place indicating circuit breaker

Info

Publication number: CN217933655U
Application number: CN202221767454.8U
Authority: CN
Inventors: 贾延超; 林耀坤; 甘嘉奇
Original assignee: Shanghai Liangxin Electrical Co Ltd
Current assignee: Shanghai Liangxin Electrical Co Ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2022-11-29
Anticipated expiration: 2032-07-07

Abstract

The application provides an anti-plugging in-place indicating circuit breaker, which belongs to the technical field of low-voltage electric appliances and comprises a shell, wherein an anti-plugging button is arranged in the shell, one end of the anti-plugging button protrudes out of the shell, the other two ends of the anti-plugging button, which are positioned in the shell, are respectively linked with an operating mechanism and an indicating piece, a window is also arranged on the shell, and the indicating piece is positioned in the coverage range of the window; when the breaker is inserted into or drawn out of the installation cabinet, the inner wall of the installation cabinet extrudes the protruding end of the anti-plugging button to withdraw the inside of the shell of the breaker, one end of the anti-plugging button linked with the operating mechanism drives the operating mechanism to trip and power off, and one end of the anti-plugging button linked with the indicating piece drives the indicating piece to translate so as to move the position of the indicating piece in the coverage range of the window.

Description

Anti-plugging in-place indicating circuit breaker

Technical Field

The application relates to the technical field of low-voltage apparatuses, in particular to an anti-plugging in-place indication circuit breaker.

Background

The plug-in circuit breaker is a circuit breaker which is installed in a power distribution cabinet or taken out of the power distribution cabinet in a plug-in mode, and when the plug-in circuit breaker is installed, a sliding surface of a shell of the plug-in circuit breaker is inserted to a target installation position along with a cabinet installation plate; when the breaker is disassembled, the plug-in breaker is pulled out along the cabinet body mounting plate. At present, some plug-in circuit breakers with an anti-hot plugging function exist, the plug-in circuit breakers are provided with an anti-hot plugging button, the anti-hot plugging button can be pressed into a shell by a cabinet mounting plate in the plugging and unplugging process of the circuit breaker, and at the moment, a draw bar of the plug-in circuit breaker cannot be switched on; after the plug-in circuit breaker is inserted in place, the plug-in prevention button can be popped out from a position avoiding hole in the cabinet body mounting plate, and at the moment, the plug-in circuit breaker can be switched on, so that the condition of hot plugging is avoided.

The existing plug-in circuit breakers of this type are generally provided with an indicating member by which it is judged whether the circuit breaker has been inserted in place. However, the current circuit breaker has the phenomenon of inaccurate indication and is easy to have indication errors.

SUMMERY OF THE UTILITY MODEL

The utility model provides an it puts in place and indicates circuit breaker to prevent inserting and pull out, the translation through the indicator is with the dropout state of instructing the circuit breaker, makes the circuit breaker indicate more accurately.

The embodiment of the application is realized as follows:

one aspect of the embodiment of the application provides an anti-plugging and anti-pulling in-place indication circuit breaker, which comprises a shell, wherein an anti-plugging and anti-pulling button is arranged in the shell, one end of the anti-plugging and anti-pulling button protrudes out of the shell, the other two ends of the anti-plugging and anti-pulling button, which are positioned in the shell, are respectively linked with an operating mechanism and an indicating piece, a window is further arranged on the shell, and the indicating piece is positioned in the coverage range of the window; when the breaker is inserted into or pulled out of the installation cabinet, the inner wall of the installation cabinet extrudes the protruding end of the anti-plugging button to withdraw the shell of the breaker, one end of the anti-plugging button linked with the operating mechanism drives the operating mechanism to trip and power off, and one end of the anti-plugging button linked with the indicating piece drives the indicating piece to move horizontally so as to move the position of the indicating piece in the coverage range of the window.

Optionally, a knob and a traction rod are further arranged in the shell, the plugging and unplugging prevention button is connected with the indicating piece through the knob, and the plugging and unplugging prevention button is connected with the operating mechanism through the traction rod.

Optionally, a reset assembly is arranged in the housing, and the reset assembly is used for resetting the circuit breaker.

Optionally, the reset assembly includes a first reset member disposed in the housing, and the first reset member is connected to the anti-unplugging button for resetting the anti-unplugging button.

Optionally, the reset assembly includes a second reset member disposed within the housing, the second reset member being connected to the knob for resetting the knob.

Optionally, the housing is provided with a movement slot, and the indicator is arranged in the movement slot to translate along the movement slot.

Optionally, the indicator has a protrusion that is connected to the knob through the movement slot.

Optionally, the reset assembly includes a third reset member disposed in the moving slot, and the indicator member and the third reset member are connected for resetting of the indicator member.

Optionally, a fixing cover is disposed on the moving groove for engaging the indicator and the third restoring member.

Optionally, a plane matched with the knob is arranged on the protrusion, and the angle of the plane is adjusted to adapt to different indication requirements.

The beneficial effects of the embodiment of the application include:

the utility model provides a prevent inserting and pull out instruction circuit breaker that targets in place is provided with in the casing and prevents inserting and pull out the button, prevents inserting the one end protrusion in the casing that pulls out the button to make the installation cabinet with prevent inserting the tip effect of pulling out button protrusion in the casing, when the circuit breaker inserts the installation cabinet or takes out from the installation cabinet, the installation cabinet will prevent inserting the casing that pulls out the button and impress the circuit breaker. The other two ends of the anti-plugging button, which are positioned in the shell, are respectively linked with the operating mechanism and the indicating piece, when the anti-plugging button is pressed into the shell of the circuit breaker by the installation cabinet, one end of the anti-plugging button drives the operating mechanism to trip and power off, the other end of the anti-plugging button drives the indicating piece to move horizontally, and the indicating piece is shown through a window to indicate the state of the circuit breaker. Compare in the rotation of indicator among the prior art, this application can make the indicator motion more accurate through preventing plug button drive indicator translation, and then the instruction state of circuit breaker is more accurate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of an anti-plugging-in-place indicating circuit breaker according to an embodiment of the present application;

fig. 2 is a schematic partial structural diagram of an anti-unplugging in-place indicating circuit breaker according to an embodiment of the present disclosure;

fig. 3 is a second schematic diagram of a partial structure of an anti-plugging indicating circuit breaker according to an embodiment of the present disclosure.

101-shell; 101 a-a window; 102-anti-unplug button; 102 a-a first reset piece; 103-a drawbar; 105-a knob; 105 a-a second reset piece; 106-an indicator; 106 a-a third reset element; 107-fixing the cover.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The existing plug-in circuit breaker is difficult to judge whether the plug-in circuit breaker is inserted in place, and judgment errors are easy to occur, so that the problem that the plug-in circuit breaker is not inserted in place is caused. Therefore, the prior art adopts an indicating component for indicating, specifically, the indicating component is in running fit with the circuit breaker shell to indicate the state of the circuit breaker. However, the existing indicating component has inaccurate indication, and is easy to have leakage holes and the left side and the right side of the indicating component are easy to deflect.

In view of this, the present embodiment provides an anti-plugging in-place indication circuit breaker, which converts a rotation indication in the prior art into a translation indication through the indication component 106 performing translation on the housing 101, and the housing 101 is provided with a moving groove for installing the indication component 106, so that a moving space of the indication component 106 is limited, the indication component 106 indicates a state of the circuit breaker more accurately, and no left-right deviation occurs, and no leak occurs. Specifically, referring to fig. 1, the circuit breaker with the anti-plugging and anti-pulling in-place indication function provided in this embodiment includes a housing 101, an anti-plugging and anti-pulling button 102 is disposed in the housing 101, one end of the anti-plugging and anti-pulling button 102 protrudes out of the housing 101, the other two ends of the anti-plugging and anti-pulling button 102 located in the housing 101 are respectively linked with an operating mechanism and an indicating member 106, the housing 101 is further provided with a window 101a, and the indicating member 106 is located in a coverage area of the window 101 a; when the breaker is inserted into or pulled out of the installation cabinet, the inner wall of the installation cabinet extrudes the protruding end of the anti-plugging button 102 to withdraw the shell 101 of the breaker, one end of the linkage of the anti-plugging button 102 and the operating mechanism drives the operating mechanism to trip and break the power, and one end of the linkage of the anti-plugging button 102 and the indicating piece 106 drives the indicating piece 106 to translate so as to move the position of the indicating piece in the coverage range of the window 101 a.

The components of the conventional circuit breaker, such as an operating mechanism, a contact system, an arc-extinguishing chamber, etc., are disposed in the housing 101, and the connection relationship and function thereof are consistent with those of the conventional circuit breaker, and are not described herein again. In addition, when the circuit breaker is inserted into or withdrawn from the installation cabinet, the inner wall of the installation cabinet presses the anti-pull-out button 102 into the case 101 of the circuit breaker by pressing the end of the anti-pull-out button 102 protruding out of the case 101 when the anti-pull-out button 102 is disposed in the case 101, and one end of the anti-pull-out button 102 protrudes out of the case 101.

Illustratively, the anti-unplugging button 102 is of a wing-shaped structure, the top end of the wing-shaped structure protrudes out of the end of the shell 101, two wing ends of the wing-shaped structure are located in the shell 101 and are respectively linked with the operating mechanism and the indicating piece 106, when the installation cabinet presses the anti-unplugging button 102 protruding out of the end of the shell 101 to press the anti-unplugging button 102 into the shell 101 of the circuit breaker, the end of the linkage of the anti-unplugging button 102 and the operating mechanism pushes the operating mechanism to act, so that tripping and power failure of the circuit breaker are realized; meanwhile, the end of the anti-plugging button 102 linked with the indicator 106 pushes the indicator 106 to move in the housing 101 in a translational manner to indicate that the circuit breaker is in a tripping state, and at this time, the circuit breaker cannot be switched on or off. The indicator 106 may be shown through a window 101a on the housing 101 to indicate the status of the circuit breaker.

To sum up, the anti-plug in-place indication circuit breaker provided by the embodiment of the application is provided with the anti-plug button 102 in the casing 101, and one end of the anti-plug button 102 protrudes out of the casing 101, so that the installation cabinet and the anti-plug button 102 protrude out of the end of the casing 101, and when the circuit breaker is inserted into the installation cabinet or is pulled out from the installation cabinet, the installation cabinet presses the anti-plug button 102 into the casing 101 of the circuit breaker. The two ends of the anti-plugging button 102, which are located in the casing 101, are respectively connected with the operating mechanism and the indicating piece 106, when the installation cabinet presses the anti-plugging button 102 into the casing 101 of the circuit breaker, one end of the anti-plugging button 102 drives the operating mechanism to trip and power off, the other end drives the indicating piece 106 to translate, and the indicating piece 106 is shown through a window 101a to indicate the state of the circuit breaker. Compared with the rotation of the indicating piece 106 in the prior art, the indication piece 106 is driven to move horizontally by the plugging and unplugging prevention button 102, so that the indicating piece 106 can move more accurately, and the indicating state of the circuit breaker is more accurate.

Further, as shown in fig. 2, a knob 105 and a pull rod 103 are further provided in the housing 101, the anti-pull-out button 102 is connected to the indicator 106 through the knob 105, and the anti-pull-out button 102 is connected to the operating mechanism through the pull rod 103.

When the anti-pulling button 102 is pressed into the shell 101 of the circuit breaker, one end pushes the traction rod 103 to rotate the traction rod 103, and the traction rod 103 acts on the operating mechanism again, so that the circuit breaker is tripped and powered off; the other end pushes the knob 105 to rotate, and when the knob 105 rotates, the push indicator 106 translates in the housing 101 to indicate the trip state of the circuit breaker.

Illustratively, the anti-pulling button 102, the knob 105 and the traction rod 103 are all located at one end of the housing 101, and are arranged substantially linearly along the height direction of the housing 101; the anti-plug button 102 is located at the middle position of the housing 101 in the height direction, the knob 105 is located above the anti-plug button 102, and the traction rod 103 is located below the anti-plug button 102.

A transparent window 101a is provided on the upper end surface of the housing 101, and the indicator 106 is located at the position of the transparent window 101 a. When the knob 105 pushes the indicator 106 to translate, the indicator 106 can show the tripping and power-off state of the circuit breaker through the window 101 a; the connection state of the circuit breaker can also be shown through the window 101a when the indicator 106 is reset. When the circuit breaker is in a tripping power-off state, the red area of the indicator 106 is shown through the window 101 a; the green area of the indicator 106 is shown through the window 101a when the circuit breaker is in the connected state to make the indication clearly noticeable. Of course, the indication of the different states may be performed in other manners, and the indication is not limited to the color indication.

Further, a movement groove is provided on the housing 101, the indicator 106 is provided in the movement groove to be translated along the movement groove, and the indicator 106 has a protrusion which is connected to the knob 105 through the movement groove.

The moving groove provides moving guide for the indicating piece 106, limits the moving range of the indicating piece 106 in a certain space, prevents the indicating piece 106 from shifting left and right during moving, avoids poor phenomena such as hole leakage and the like, and improves the accuracy of the indicating state of the indicating piece 106 in the translation direction. The protrusion of the indicator 106 passes through the moving slot and the knob 105 is rotated to act on the protrusion to drive the indicator 106 to translate along the moving slot.

On the basis, the bulge is provided with a plane matched with the knob 105, and the angle of the plane is adjusted to adapt to different indication requirements.

The protrusions are connected with the rotary knob 105 through the plane, when the angles of the plane are different, the rotary force of the rotary knob 105 for driving the indicator 106 to translate is different, and therefore the indicating requirements of different products can be met according to different setting of the angles of the plane. Or the angle of the plane can be adjusted according to different product indication requirements.

When the circuit breaker is fully inserted into or withdrawn from the mounting cabinet, the anti-unplug button 102 is no longer subject to the mounting cabinet and the mechanism needs to be reset at this time. A reset assembly is therefore provided within the housing 101 for resetting the circuit breaker.

Specifically, the reset assembly includes a first reset piece 102a disposed in the housing 101, and the first reset piece 102a is connected to the anti-plugging button 102 for resetting the anti-plugging button 102.

The first reset piece 102a is positioned at the anti-plug button 102, one end of the first reset piece is connected with the anti-plug button 102, the other end of the first reset piece is connected with the shell 101, and after the anti-plug button 102 is pressed into the shell 101, the first reset piece 102a is stressed; when the pull rod is reset, under the action of the first reset piece 102a, the anti-plug button 102 pops up, the anti-plug button 102 resets, and meanwhile, the pull rod 103 is driven to reset.

As shown in fig. 3, the reset assembly includes a second reset member 105a disposed within the housing 101, the second reset member 105a being coupled to the knob 105 for resetting the knob 105.

The two ends of the second reset piece 105a are respectively connected with the shell 101 and the knob 105, the second reset piece 105a is stressed when the knob 105 acts, and when the knob 105 needs to be reset, the knob 105 returns by the reset force provided by the second reset piece 105 a.

The reset assembly includes a third reset member 106a disposed in the moving slot, and the indicator member 106 is coupled to the third reset member 106a for resetting the indicator member 106. The indicating member 106 returns under the action of the third resetting member 106a, and at this time, the indicating member 106 indicates that the circuit breaker is in a connection state, so that the switching on and switching off operation can be performed.

Illustratively, the third restoring member 106a is a restoring spring, which is located at one side of the indicating member 106, one end of the third restoring member 106a is fixed on the housing 101, and the other end is connected to the indicating member 106, when the indicating member 106 is actuated, the third restoring member 106a is forced to accumulate an elastic force, and when the indicating member 106 needs to be restored, the elastic force provides a restoring force of the indicating member 106, so as to restore the indicating member 106.

The three resetting pieces are not limited in form, and may be specifically a torsion spring, a tension spring, a compression spring or the like to provide the resetting force of each component.

In addition, a fixing cover is provided on the moving groove for engaging the indicating member 106 and the third restoring member 106a.

As mentioned above, the housing 101 is provided with a moving slot, the indicator 106 can move freely in the moving slot, and after the indicator 106 and the third resetting member 106a are placed in the moving slot, the fixing cover 107 is covered, and the indicator 106 and the third resetting member 106a are mounted on the housing 101 to ensure that the indicator 106 and the third resetting member 106a do not fall off, thereby playing a role of fixing.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The circuit breaker capable of indicating in-place plugging and unplugging prevention is characterized by comprising a shell (101), wherein a plugging and unplugging prevention button (102) is arranged in the shell (101), one end of the plugging and unplugging prevention button (102) protrudes out of the shell (101), the other two ends of the plugging and unplugging prevention button (102) positioned in the shell (101) are respectively linked with an operating mechanism and an indicating piece (106), a window (101 a) is further arranged on the shell (101), and the indicating piece (106) is positioned in the coverage range of the window (101 a);

when the circuit breaker is inserted into or pulled out of the installation cabinet, the inner wall of the installation cabinet extrudes the protruding end of the anti-plugging button (102) to withdraw the inside of the shell (101) of the circuit breaker, one end of the anti-plugging button (102) linked with the operating mechanism drives the operating mechanism to trip and power off, and one end of the anti-plugging button (102) linked with the indicating piece (106) drives the indicating piece (106) to translate so as to move the position of the indicating piece (106) in the coverage range of the window (101 a).

2. The anti-plug-pull-in-place indication circuit breaker according to claim 1, wherein a knob (105) and a pull rod (103) are further arranged in the housing (101), the anti-plug-pull-out button (102) is connected with the indicating member (106) through the knob (105), and the anti-plug-pull-out button (102) is connected with the operating mechanism through the pull rod (103).

3. The anti-unplugging in-place indicator circuit breaker of claim 2, wherein a reset assembly is arranged in the housing (101), the reset assembly being used for resetting the circuit breaker.

4. The anti-plug-in-place indicating circuit breaker according to claim 3, characterized in that said reset assembly comprises a first reset member (102 a) disposed within said housing (101), said first reset member (102 a) and said anti-plug-out button (102) being connected for resetting of said anti-plug-out button (102).

5. The anti-unplug-in-place indication circuit breaker as set forth in claim 3 wherein said reset assembly comprises a second reset piece (105 a) disposed within said housing (101), said second reset piece (105 a) being connected to said knob (105) for resetting said knob (105).

6. The anti-unplugging in-place indicator circuit breaker according to claim 3, wherein the housing (101) is provided with a movement slot, and the indicator (106) is arranged in the movement slot to translate along the movement slot.

7. The anti-unplug in place indication circuit breaker as claimed in claim 6 wherein said indicator (106) has a protrusion that connects to said knob (105) through said motion slot.

8. The anti-unplug-in-place indication circuit breaker as set forth in claim 6 wherein said reset assembly comprises a third reset member (106 a) disposed within said moving slot, said indicator member (106) and said third reset member (106 a) being connected for resetting of said indicator member (106).

9. The anti-unplugging in-place indicator circuit breaker according to claim 8, wherein a fixing cover (107) is arranged on the moving groove and used for buckling the indicator (106) and the third resetting piece (106 a).

10. The anti-plugging in-place indication circuit breaker according to claim 7, wherein the protrusion is provided with a plane surface matched with the knob (105), and the angle of the plane surface is adjusted to adapt to different indication requirements.