CN210897115U

CN210897115U - Load switch operating mechanism with grounding switch-on and switch-off interlocking function

Info

Publication number: CN210897115U
Application number: CN201922305717.8U
Authority: CN
Inventors: 吴松林; 廖长寿; 伍燕生; 高鸿志
Original assignee: Zhejiang Jurui Electric Technology Co ltd
Current assignee: Zhejiang Jurui Electric Technology Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-06-30
Anticipated expiration: 2029-12-19

Abstract

The utility model relates to a load switch operating device with ground connection switching-on and switching-off interlocking function, which comprises a frame, the frame is provided with the rotatory ground connection operating axis of load switch control axis and control load switch control axis, separating brake button and combined floodgate button, still includes first interlocking arm, second interlocking arm and interlocking pin, presses when combined floodgate button, first interlocking arm blocks the handle and installs in ground connection operating axis when load switch control axis is rotatory to the combined floodgate position, and when ground connection operating axis is rotatory, second interlocking arm blocks the combined floodgate button and presses when load switch control axis is rotatory to the ground connection position. Adopt above-mentioned scheme, the utility model provides an improve load switch operating device who has ground connection switching-on and switching-off interlocking function of security performance.

Description

Load switch operating mechanism with grounding switch-on and switch-off interlocking function

Technical Field

The utility model relates to a load switch field, concretely relates to load switch operating device with interlocking function.

Background

The load switch is an electric appliance with a function between a high-voltage circuit breaker and a high-voltage isolating switch, is provided with an arc extinguishing device, can switch on and off certain load current and overload current, and is widely applied to the field of power transmission and distribution.

Load switch includes the frame, and the frame is provided with ground connection operating axis, load switch control shaft, separating brake button and closing button, in order to guarantee the security of operation, need rotate ground connection operating axis to ungrounded position before closing button presses, and just can rotate ground connection operating axis to grounded position after separating brake button, because traditional load switch does not have interlocking device between the two, the condition of maloperation can appear, therefore causes the incident.

Disclosure of Invention

Not enough to prior art exists, the utility model aims to provide an improve load switch operating device who has ground connection switching-on and switching-off interlocking function of security performance.

In order to achieve the above purpose, the utility model provides a following technical scheme: including the frame, the frame be provided with load switch control shaft and the rotatory ground connection operating axis, the separating brake button and the closing button of control load switch control shaft, ground connection operating axis have the handle installation end that extends to outside the frame, its characterized in that: the interlocking device also comprises a first interlocking arm, a second interlocking arm and a linkage pin, wherein the middle part of the first interlocking arm is hinged with the rack, one end of the first interlocking arm is a grounding interlocking end and corresponds to the handle mounting end, the other end of the first interlocking arm is a first interlocking end, the middle part of the second interlocking arm is hinged with the frame, one end of the linkage is a switching-on and switching-off linkage end and corresponds to the position of a switching-on button, the other end is a second linkage end, the linkage pin is in linkage fit with the load switch control shaft and penetrates through the first linkage end and the second linkage end to form linkage fit with the first linkage end and the second linkage end, the handle mounting end is inserted into the handle and drives the grounding operation shaft to rotate until the load switch control shaft rotates to the grounding position, the load switch control shaft drives the second linkage arm to swing through the linkage pin, the opening and closing linkage end of the second linkage arm is blocked below the closing button, and the closing button cannot be pressed downwards; the load switch control shaft drives the second linkage arm to swing through the linkage pin when the handle mounting end is inserted into the handle and drives the grounding operation shaft to rotate until the load switch control shaft rotates to the switching-off position, the switching-off linkage end of the second linkage arm is far away from the position blocking the switching-on button, and the switching-on button can be pressed downwards; when the switching-on button is pressed until the load switch control shaft rotates to a switching-on position, the load switch control shaft drives the first interlocking arm to swing through the interlocking pin, the grounding interlocking end of the first interlocking arm is blocked at the handle mounting end, and the handle cannot be mounted at the handle mounting end; when the opening button is pressed down until the load switch control shaft rotates to the opening position, the load switch control shaft drives the first interlocking arm to swing through the interlocking pin, and the grounding interlocking end of the first interlocking arm is far away from the handle mounting end, so that the handle can be mounted at the handle mounting end.

By adopting the technical scheme, the blocking handle is arranged on the grounding operation shaft during closing to operate the grounding operation shaft, the closing button is blocked to be pressed down during grounding, the possibility of closing is avoided, the interlocking of grounding and closing is automatically realized, the safety performance is improved, the accident mode is avoided, the rotation generated by the load switch control shaft during switching positions is reasonably utilized, the first interlocking arm and the second interlocking arm can be driven to swing simultaneously through the interlocking pin, the structure is more simplified, the swinging can be eccentrically arranged on the load switch control shaft through the interlocking pin, and the outer peripheral surface extrudes the inner side wall of the position where the swinging pin passes through for the swinging pin to realize when the swinging pin eccentrically rotates.

The utility model discloses further set up to: the switch-on button is provided with an operating rod which acts synchronously with the switch-on button and is linked with the load switch control shaft, the opening and closing interlocking end of the second interlocking arm is provided with a limiting component, the limiting component comprises a limiting plate, a pushing pin and a return spring, the periphery of the operating rod is provided with a limiting bulge, the limiting plate comprises a sliding part which slides in the frame in a reciprocating manner and a limiting part which is positioned below the limiting bulge, the limiting part is provided with a limiting notch, the pushing pin is fixed at the opening and closing interlocking end and is abutted against the limiting plate, the return spring is arranged between the frame and the limiting plate and resets the limiting plate to the pushing pin, the load switch control shaft drives the second interlocking arm to swing through the interlocking pin when the handle mounting end is inserted into the handle and drives the grounding operating shaft to rotate to the grounding position, and the pushing pin pushes the limiting plate to move, the position of the limiting notch is staggered with the position of the limiting bulge, the operating rod cannot move downwards, and the closing button cannot be pressed; when the handle mounting end is inserted into the handle and drives the grounding operation shaft to rotate to the grounding position, the load switch control shaft drives the second linkage arm to swing through the linkage pin, the pushing pin pushes the limiting plate to move, the limiting notch corresponds to the limiting protrusion position, the limiting protrusion of the operation rod can move downwards through the limiting notch, and the closing button can be pressed.

Through adopting above-mentioned technical scheme, add spacing subassembly, promote round pin drive limiting plate and remove when second interlock arm swings, the action bars of limiting plate restriction and combined floodgate button synchronization action are pressed, and the direct spacing combined floodgate button of relative second interlock arm improves spacing stability when reducing second interlock arm specification, in addition, adds return spring, makes the limiting plate keep supporting with promoting the round pin, in time carries out the return, avoids hindering combined floodgate button's normal operating.

The utility model discloses further set up to: the partial at least two bar grooves that are provided with along the moving direction of sliding, the frame correspond each bar groove and be provided with the guide bolt who passes the bar groove, the limiting plate spacing between guide bolt's head and frame.

Through adopting above-mentioned technical scheme, set up two at least bar grooves to cooperation guide bolt realizes the removal direction of limiting plate, and processing is simple, and the assembly is convenient, and the direction is stable.

Drawings

FIG. 1 is a first perspective view of an embodiment of the present invention;

FIG. 2 is a second perspective view of an embodiment of the present invention;

fig. 3 is an enlarged view of a in fig. 2.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-3, the utility model discloses a load switch operating mechanism with interlocking function of ground switch and switch, which comprises a frame 1, wherein the frame 1 is provided with a load switch control shaft, a ground operating shaft 2 for controlling the rotation of the load switch control shaft, a switch-off button 3 and a switch-on button 4, the load switch control shaft is an existing component, which is not shown in the attached drawing, and the position thereof is a linkage pin position, the ground operating shaft 2 is provided with a handle mounting end 21 extending out of the frame 1, and the load switch operating mechanism further comprises a first interlocking arm 5, a second interlocking arm 6 and a linkage pin 7, the middle part of the first interlocking arm 5 is hinged with the frame 1, one end thereof is a ground interlocking end 51 and corresponds to the handle mounting end 21, the other end thereof is a first interlocking end 52, the middle part of the second interlocking arm 6 is hinged with the frame 1, one end thereof is a switch-off interlocking end 61 and corresponds to the switch, the other end is a second linkage end 62, the linkage pin 7 is in linkage fit with the load switch control shaft and penetrates through the first linkage end 52 and the second linkage end 62 to form linkage fit with the first linkage end 52 and the second linkage end 62, the handle installation end 21 is inserted into the handle and drives the grounding operation shaft 2 to rotate until the load switch control shaft rotates to a grounding position, the load switch control shaft drives the second linkage arm 6 to swing through the linkage pin 7, the opening and closing linkage end 61 of the second linkage arm 6 is blocked below the closing button 4, and the closing button 4 cannot be pressed downwards; the handle mounting end 21 is inserted into a handle and drives the grounding operation shaft 2 to rotate until the load switch control shaft rotates to a switching-off position, the load switch control shaft drives the second linkage arm 6 to swing through the linkage pin 7, the switching-off linkage end 61 of the second linkage arm 6 is far away from the position blocking the switching-on button 4, and the switching-on button 4 can be pressed downwards; when the switching-on button 4 is pressed until the load switch control shaft rotates to the switching-on position, the load switch control shaft drives the first interlocking arm 5 to swing through the interlocking pin 7, the grounding interlocking end 51 of the first interlocking arm 5 is blocked at the handle mounting end 21, and the handle cannot be mounted at the handle mounting end 21; the opening button 3 is pressed until the load switch control shaft rotates to an opening position, the load switch control shaft drives the first interlocking arm 5 to swing through the interlocking pin 7, the grounding interlocking end 51 of the first interlocking arm 5 is far away from the handle mounting end 21, so that the handle can be mounted at the handle mounting end 21, the handle is blocked to be mounted at the grounding operation shaft 2 during closing and operated, the closing button 4 is blocked to be pressed during grounding, the possibility of closing is avoided, and the interlocking of grounding and opening and closing is automatically realized, so that the safety performance is improved, the accident mode is avoided, the rotation generated when the load switch control shaft is switched over the position is reasonably utilized, the first interlocking arm 5 and the second interlocking arm 6 can be simultaneously driven to swing through the interlocking pin 7, the structure is more simplified, and the swinging can be realized by eccentrically mounting the interlocking pin 7 on the load switch control shaft.

The closing button 4 is provided with an operating rod 41 which acts synchronously with the closing button 4 and is linked with the load switch control shaft, the opening and closing interlocking end 61 of the second interlocking arm 6 is provided with a limiting component 64, the limiting component 64 comprises a limiting plate 8, a pushing pin 63 and a return spring 81, the periphery of the operating rod 41 is provided with a limiting bulge 411, the limiting plate 8 comprises a sliding part 82 sliding on the frame 1 in a reciprocating way and a limiting part 83 positioned below the limiting bulge 411, the limiting part 83 is provided with a limiting notch 831, the pushing pin 63 is fixed on the opening and closing interlocking end 61 and is abutted against the limiting plate 8, the return spring 81 is arranged between the frame 1 and the limiting plate 8 and resets the limiting plate 8 to the pushing pin 63, the load switch control shaft drives the second interlocking arm 6 to swing through the interlocking pin 7 when the handle mounting end 21 is inserted into the handle and drives the grounding operating shaft 2 to rotate to the grounding position, and the pushing, the position of the limiting notch 831 is staggered with the position of the limiting protrusion 411, the operating rod 41 cannot move downwards, and the closing button 4 cannot be pressed; when the handle mounting end 21 is inserted into a handle and drives the grounding operation shaft 2 to rotate to a grounding position, the load switch control shaft drives the second linkage arm 6 to swing through the linkage pin 7, the pushing pin 63 pushes the limiting plate 8 to move, the limiting notch 831 corresponds to the limiting protrusion 411, the limiting protrusion 411 of the operation rod 41 can move downwards through the limiting notch 831, the closing button 4 can be pressed, the limiting assembly 64 is additionally arranged, the pushing pin 63 drives the limiting plate 8 to move when the second linkage arm 6 swings, the limiting plate 8 limits the pressing of the operation rod 41 which synchronously acts with the closing button 4, the closing button 4 is directly limited relative to the second linkage arm 6, the specification of the second linkage arm 6 is reduced, the limiting stability is improved, in addition, the return spring 81 is additionally arranged, the limiting plate 8 is kept in abutting fit with the pushing pin 63, the return is timely carried out, and the normal operation of.

The part 82 that slides is provided with two at least bar grooves 84 along the moving direction, and frame 1 corresponds each bar groove 84 and is provided with the guide bolt 85 that passes bar groove 84, and limiting plate 8 is spacing between guide bolt 85's head and frame 1, offers two at least bar grooves 84 to cooperation guide bolt 85 realizes limiting plate 8's removal direction, and processing is simple, and the assembly is convenient, and the direction is stable.

Claims

1. The utility model provides a load switch operating device with interlocking function is switched on and off to ground connection, includes the frame, the frame be provided with load switch control shaft and the rotatory ground connection operating shaft of control load switch control shaft, separating brake button and closing brake button, ground connection operating shaft handle installation end that has to extend to outside the frame, its characterized in that: the interlocking device also comprises a first interlocking arm, a second interlocking arm and a linkage pin, wherein the middle part of the first interlocking arm is hinged with the rack, one end of the first interlocking arm is a grounding interlocking end and corresponds to the handle mounting end, the other end of the first interlocking arm is a first interlocking end, the middle part of the second interlocking arm is hinged with the frame, one end of the linkage is a switching-on and switching-off linkage end and corresponds to the position of a switching-on button, the other end is a second linkage end, the linkage pin is in linkage fit with the load switch control shaft and penetrates through the first linkage end and the second linkage end to form linkage fit with the first linkage end and the second linkage end, the handle mounting end is inserted into the handle and drives the grounding operation shaft to rotate until the load switch control shaft rotates to the grounding position, the load switch control shaft drives the second linkage arm to swing through the linkage pin, the opening and closing linkage end of the second linkage arm is blocked below the closing button, and the closing button cannot be pressed downwards; the load switch control shaft drives the second linkage arm to swing through the linkage pin when the handle mounting end is inserted into the handle and drives the grounding operation shaft to rotate until the load switch control shaft rotates to the switching-off position, the switching-off linkage end of the second linkage arm is far away from the position blocking the switching-on button, and the switching-on button can be pressed downwards; when the switching-on button is pressed until the load switch control shaft rotates to a switching-on position, the load switch control shaft drives the first interlocking arm to swing through the interlocking pin, the grounding interlocking end of the first interlocking arm is blocked at the handle mounting end, and the handle cannot be mounted at the handle mounting end; when the opening button is pressed down until the load switch control shaft rotates to the opening position, the load switch control shaft drives the first interlocking arm to swing through the interlocking pin, and the grounding interlocking end of the first interlocking arm is far away from the handle mounting end, so that the handle can be mounted at the handle mounting end.

2. The load switch operating mechanism with the ground switch and switch interlock function according to claim 1, characterized in that: the switch-on button is provided with an operating rod which acts synchronously with the switch-on button and is linked with the load switch control shaft, the opening and closing interlocking end of the second interlocking arm is provided with a limiting component, the limiting component comprises a limiting plate, a pushing pin and a return spring, the periphery of the operating rod is provided with a limiting bulge, the limiting plate comprises a sliding part which slides in the frame in a reciprocating manner and a limiting part which is positioned below the limiting bulge, the limiting part is provided with a limiting notch, the pushing pin is fixed at the opening and closing interlocking end and is abutted against the limiting plate, the return spring is arranged between the frame and the limiting plate and resets the limiting plate to the pushing pin, the load switch control shaft drives the second interlocking arm to swing through the interlocking pin when the handle mounting end is inserted into the handle and drives the grounding operating shaft to rotate to the grounding position, and the pushing pin pushes the limiting plate to move, the position of the limiting notch is staggered with the position of the limiting bulge, the operating rod cannot move downwards, and the closing button cannot be pressed; when the handle mounting end is inserted into the handle and drives the grounding operation shaft to rotate to the grounding position, the load switch control shaft drives the second linkage arm to swing through the linkage pin, the pushing pin pushes the limiting plate to move, the limiting notch corresponds to the limiting protrusion position, the limiting protrusion of the operation rod can move downwards through the limiting notch, and the closing button can be pressed.

3. The load switch operating mechanism with the ground switch interlock function according to claim 2, characterized in that: the partial at least two bar grooves that are provided with along the moving direction of sliding, the frame correspond each bar groove and be provided with the guide bolt who passes the bar groove, the limiting plate spacing between guide bolt's head and frame.