CN218274335U

CN218274335U - Locking assembly of dual-power automatic transfer switch operating mechanism

Info

Publication number: CN218274335U
Application number: CN202222408234.2U
Authority: CN
Inventors: 涂来发; 苏国强; 胡伊达; 胡伊特; 张彭春
Original assignee: Radin Electric Technology Co ltd
Current assignee: Radin Electric Technology Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-01-10
Anticipated expiration: 2032-09-09

Abstract

The utility model relates to a dual supply automatic transfer switch operating device's locking assembly, including switching slide, lockplate, reset spring micro-gap switch, one side of lockplate is provided with respectively with operating device's operating hole complex through-hole, shelves portion, one side of lockplate be provided with combined floodgate button commonly used, reserve combined floodgate button matched with sticking department, be provided with on combined floodgate button commonly used, the reserve combined floodgate button with sticking department matched with stopper, shelves portion just shelters from on the operating hole along with the locking plate action, the sticking department just can contradict on combined floodgate button commonly used, reserve combined floodgate button's stopper along with the locking plate action, the switching slide on be provided with micro-gap switch matched with lug, the lug just can trigger micro-gap switch along with switching slide action, realize micro-gap switch's switch-on or disconnection. The utility model has the advantages of simple structure, stable and reliable performance, safe and reliable, simple operation.

Description

Locking assembly of dual-power automatic transfer switch operating mechanism

Technical Field

The utility model relates to a dual supply automatic transfer switch, concretely relates to dual supply automatic transfer switch operating device's locking assembly.

Background

At present, many industries and departments have very high requirements on the reliability of power supply, and in order to ensure the continuity of power supply, a dual-power automatic transfer switch is adopted in many important occasions to supply power to an electric appliance. As an essential device for switching electric energy, the technical performance requirements are also higher and higher. The dual-power transfer switch is mainly divided into a PC-level dual-power automatic transfer switch and a CB-level dual-power automatic transfer switch. The PC-level dual-power automatic transfer switch adopts a high-isolation switch as an actuating mechanism, can be switched on and carried but cannot break short-circuit current, and can still keep power supply continuity when a load is overloaded. The CB-level dual-power automatic transfer switch adopts a circuit breaker as an actuating mechanism, is provided with an overcurrent release, and has an overload protection function on electric equipment and cables on a load side. The short-circuit current can be switched on, carried and disconnected, and the load can be switched off when the load is overloaded or short-circuited. However, the operating mechanism of the existing PC-level dual-power automatic transfer switch has an unreasonable structural design, and the operating mechanism does not have a locking function, so that the electric switching-on and manual switching-on functions of the operating mechanism cannot be turned off during maintenance, thereby failing to ensure the personal safety of maintenance personnel.

Disclosure of Invention

An object of the utility model is to overcome prior art's defect, provide a simple structure, stable performance is reliable, safe and reliable, simple operation's dual supply automatic transfer switch operating device's locking assembly.

For realizing above-mentioned purpose, the utility model discloses a two power automatic transfer switch operating device's locking assembly, including setting up switching slide, the slip setting on the casing on the framework and with switching slide linkage complex lockplate, setting reset spring between lockplate and framework, setting just be used for controlling the micro-gap switch of operating device power switch-on or disconnection on the framework, one side of lockplate be provided with respectively with operating device's operating hole complex through-hole, shelves portion, one side of lockplate be provided with common combined floodgate button, reserve combined floodgate button matched with sticking portion, common combined floodgate button, reserve button on be provided with the stopper with sticking portion matched with, shelves portion along with the action of lockplate and shelter from on the operating hole, the sticking portion along with the action of lockplate and can conflict on common combined floodgate button, reserve combined floodgate button's stopper, switching slide on be provided with micro-gap switch, the lug along with switching slide action and can trigger switch-on, realize micro-gap switch or disconnection.

The utility model has the advantages that: the locking assembly can lock the manual and electric switching-on functions of the operating mechanism, so that the personal safety of maintainers can be ensured. During operation, the switching sliding plate can cut off the power supply of the micro switch, so that the electric operation function is turned off, the switching sliding plate can drive the locking plate to act, the baffle plate of the locking plate can be shielded on the operation hole, and the locking part of the locking plate can be abutted against a common closing button and a standby closing button, so that the manual operation function is turned off. Therefore, the locking assembly has the advantages of simple structure, stable and reliable performance, safety, reliability and convenience in operation.

Particularly, the switching sliding plate is provided with a shifting block inserted in a shifting hole of the shell, the switching sliding plate is provided with a shifting rod, the locking plate is provided with a shifting hole matched with the shifting rod, the shifting rod is inserted in the shifting hole, the shifting rod moves along with the switching sliding plate and can reciprocate in the shifting hole, and linkage matching of the locking plate and the shifting rod is formed.

Particularly, the basic shape of the toggle hole is triangular, a manual locking groove is arranged at one side, close to the micro switch, in the toggle hole, a locking groove is arranged at one side, far away from the micro switch, in the toggle hole, an unlocking groove is arranged in the toggle hole, and the toggle rod moves along with the switching sliding plate and can slide back and forth among the manual locking groove, the locking groove and the unlocking groove. When the shifting lever slides into the manual locking groove, the sliding plate is switched to trigger the microswitch, the microswitch is switched on, the locking plate moves along with the shifting lever, the locking plate is shielded on the operation hole, and the locking plate can lock a common closing button and a standby closing button; when the deflector rod slides into the unlocking groove, both manual closing and electric closing can be operated; when the position of the shifting rod is locked in the slot, the microswitch is switched off, the locking plate is shielded on the operation hole, the common closing button and the standby closing button can be locked by the locking plate, and the manual and electric operation functions are locked, so that the personal safety of maintainers can be guaranteed.

Particularly, the switching sliding plate is provided with an arc-shaped convex block matched with the shell, the inner wall of the shell is respectively provided with a plurality of positioning grooves matched with the arc-shaped convex block, and the arc-shaped convex block moves along with the switching sliding plate and can be switched among the plurality of positioning grooves in a reciprocating mode. The cambered surface convex block on the switching sliding plate is clamped in the positioning groove of the shell, so that the assembly of the switching sliding plate and the shell is convenient, and the assembly is more convenient.

Particularly, the machine frame is provided with a limiting block corresponding to two sides of the locking plate respectively, the limiting block is provided with a guide groove, two sides of the locking plate are clamped in the guide grooves of the two limiting blocks respectively, and the locking plate is in sliding connection and matching with the two limiting blocks. The locking plate is clamped between the two limiting blocks of the mechanism frame, so that the locking plate and the mechanism frame are convenient to assemble, and the assembly is more convenient.

Drawings

Fig. 1 is a perspective view of an operating mechanism according to an embodiment of the present invention.

Fig. 2 is an exploded view of an operating mechanism according to an embodiment of the present invention.

Fig. 3 is an internal structure view of the housing according to the embodiment of the present invention.

Detailed Description

As shown in fig. 1-3, an embodiment of the present invention is a locking assembly of dual power automatic transfer switch operating mechanism, including a switching slide plate 20 disposed on a housing 10, a locking plate 21 slidably disposed on a frame 11 and cooperating with the switching slide plate 20, a return spring 22 disposed between the locking plate 21 and the frame 11, and a micro switch 23 disposed on the frame 11 and used for controlling the power on or off of the operating mechanism, one side of the locking plate 21 is respectively provided with a through hole 211 and a blocking portion 212 cooperating with an operating hole 12 of the operating mechanism, one side of the locking plate 21 is provided with a locking portion 213 cooperating with a common closing button 13 and a standby closing button 14, the common closing button 13 and the standby closing button 14 are provided with a limiting block 100 cooperating with the locking portion 213, the blocking portion 212 acts with the locking plate 21 and shields on the operating hole 12, the locking portion 213 acts with the locking plate 21 and can abut against the limiting block 100 of the common closing button 13 and the standby closing button 14, the switching slide plate 20 is provided with the sliding plate 23 and the micro switch 23 can be triggered by the micro switch 23 or the micro switch 23.

As shown in fig. 2 and 3, the switch sliding plate 20 is provided with a shifting block 202 inserted into the shifting hole 101 of the housing 10, the switch sliding plate 20 is provided with a shifting rod 203, the lock plate 21 is provided with a shifting hole 214 matched with the shifting rod 203, the shifting rod 203 is inserted into the shifting hole 214, the shifting rod 203 moves along with the switch sliding plate 20 and can reciprocate in the shifting hole 214, and the lock plate 21 and the shifting rod 203 are in linkage fit. The basic shape of the toggle hole 214 is triangular, a manual locking groove 215 is arranged at one side of the toggle hole 214 close to the micro switch 23, a locking groove 216 is arranged at one side of the toggle hole 214 far away from the micro switch 23, an unlocking groove 217 is arranged in the toggle hole 214, and the toggle rod 203 acts along with the switching sliding plate 20 and can slide between the manual locking groove 215, the locking groove 216 and the unlocking groove 217 in a reciprocating manner. When the shifting lever slides into the manual locking groove, the switching sliding plate triggers the microswitch, the microswitch is switched on, the locking plate acts along with the shifting lever, the locking plate is shielded on the operation hole, and the locking plate can lock a common closing button and a standby closing button; when the deflector rod slides into the unlocking groove, both manual switching-on and electric switching-on can be operated; when the locking inslot of driving lever position, the micro-gap switch disconnection, the lockplate shelters from on the handle hole, and the lockplate can all lock manual, the electrically operated function with closing button commonly used, reserve closing button to can ensure maintainer's personal safety. The switching slide plate 20 is provided with an arc-shaped bump 204 matched with the shell 10, the inner wall of the shell 10 is respectively provided with a plurality of positioning grooves 102 matched with the arc-shaped bump 204, and the arc-shaped bump 204 moves along with the switching slide plate 20 and can be switched between the plurality of positioning grooves 102 in a reciprocating manner. The cambered surface convex block on the switching sliding plate is clamped in the positioning groove of the shell, so that the assembly of the switching sliding plate and the shell is facilitated, and the assembly is more convenient and faster. The mechanism frame 11 is provided with a limiting block 111 corresponding to two sides of the locking plate 21, the limiting block 111 is provided with a guide groove 112, two sides of the locking plate 21 are respectively clamped in the guide grooves 112 of the two limiting blocks 111, and the locking plate 21 is in sliding connection with the two limiting blocks 111. The locking plate is clamped between the two limiting blocks of the mechanism frame, so that the locking plate and the mechanism frame are convenient to assemble, and the assembly is more convenient.

The locking assembly can lock the manual and electric switching-on functions of the operating mechanism, so that the personal safety of maintainers can be ensured. During operation, the switching sliding plate can cut off the power supply of the micro switch, so that the electric operation function is turned off, the switching sliding plate can drive the locking plate to act, the baffle plate of the locking plate can be shielded on the operation hole, and the locking part of the locking plate can be abutted against a common closing button and a standby closing button, so that the manual operation function is turned off. Therefore, the locking assembly has the advantages of simple structure, stable and reliable performance, safety, reliability and convenience in operation.

Claims

1. The utility model provides a dual supply automatic transfer switch operating device's locking assembly which characterized in that: including setting up switching slide, the slip setting on the casing on the framework and with switching slide linkage complex lockplate, setting reset spring, setting on the framework and be used for controlling operating device power switch-on or the micro-gap switch of disconnection between lockplate and framework, one side of lockplate be provided with respectively with operating device's operating hole complex through-hole, shelves portion that separate, one side of lockplate be provided with closing button commonly used, reserve closing button matched with sticking portion, closing button commonly used, reserve closing button on be provided with sticking portion matched with stopper, shelves portion just shelter from on the operating hole along with the action of lockplate, the sticking portion move and can contradict on closing button commonly used, the stopper of reserve closing button along with the action of lockplate, the switching slide on be provided with micro-gap switch matched with lug, the lug move and can trigger switch-on along with the switching slide, realize micro-gap switch's switch-on or disconnection.

2. The locking assembly of the dual power automatic transfer switch operating mechanism of claim 1, wherein: the switching slide plate is provided with a shifting block which is inserted in a shifting hole of the shell, the switching slide plate is provided with a shifting rod, the locking plate is provided with a shifting hole matched with the shifting rod, the shifting rod is inserted in the shifting hole, the shifting rod moves along with the switching slide plate and can reciprocate in the shifting hole, and linkage matching of the locking plate and the shifting rod is formed.

3. The locking assembly of the dual power automatic transfer switch operating mechanism of claim 2, wherein: the basic shape of the toggle hole is triangular, a manual locking groove is arranged at one side of the toggle hole close to the micro switch, a locking groove is arranged at one side of the toggle hole far away from the micro switch, an unlocking groove is arranged in the toggle hole, and the toggle rod moves along with the switching sliding plate and can slide between the manual locking groove, the locking groove and the unlocking groove in a reciprocating mode.

4. The locking assembly of the dual power automatic transfer switch operating mechanism according to claim 1 or 2, characterized in that: the switching slide plate is provided with an arc surface convex block matched with the shell, the inner wall of the shell is respectively provided with a plurality of positioning grooves matched with the arc surface convex block, and the arc surface convex block moves along with the switching slide plate and can be switched among the plurality of positioning grooves in a reciprocating mode.

5. The locking assembly of the dual power automatic transfer switch operating mechanism according to claim 1 or 2, wherein: the mechanism frame on correspond the both sides of lockplate and be provided with a stopper respectively, be provided with the guide way on the stopper, the both sides of lockplate block respectively in the guide way of two stoppers, and constitute the sliding connection cooperation of lockplate and two stoppers.