Padlock device of electric operating mechanism

Abstract

The utility model relates to a padlock device of an electric operating mechanism, which comprises a mechanism frame, a shell and a padlock component, the padlock component comprises a padlock sheet, a buffer component, a microswitch, a manual and automatic sliding plate and a manual and automatic push block, and the padlock sheet is provided with a limit block matched with the manual and automatic sliding plate. The limiting block acts along with the padlock piece and abuts against the manual and automatic sliding plate, limiting matching of the manual and automatic sliding plate and the limiting block is formed, the buffering assembly comprises a buffering rod movably arranged on the limiting block of the padlock piece and a spring arranged between the buffering rod and the limiting block, and the buffering rod acts along with the padlock piece and triggers the microswitch. And connection or disconnection of the microswitch is realized. The utility model has the advantages of simple structure, stable and reliable performance, convenient assembly, safety and reliability.

Description

Technical Field

[0001] The utility model relates to an electric operating mechanism, in particular to a padlock device of the electric operating mechanism. Background Art

[0002] The electric operating mechanism is a special accessory for molded case circuit breakers. After being matched with the circuit breaker, it can electrically close, disconnect and re-lock the circuit breaker at a distance to realize the centralized and automatic control of the transmission and distribution network. The power system has always attached great importance to the safe operation of the system, but various accidents caused by electrical misoperation always occur every year, causing unnecessary losses. In order to effectively prevent personal and major equipment accidents caused by misoperation of running electrical equipment, the existing electric operating mechanisms for circuit breakers are all provided with padlock devices. For example, the Chinese patent No. 202220192131.4 discloses a padlock device for an electric operating mechanism. In this technical solution, the padlock plate triggers the first microswitch through the protrusion, and the padlock plate and the first microswitch are matched in a rigid structure triggering mode, which easily causes the padlock plate to reliably trigger the first microswitch, thereby causing the padlock device to have the defect of unreliable locking performance, and even locking failure. In addition, the structural design of the padlock device of the existing electric operating mechanism is complex and the assembly is relatively cumbersome. Summary of the invention

[0003] The utility model aims to overcome the defects of the prior art and provide a padlock device with a safe and reliable electric operating mechanism, which has a simple structure, stable and reliable performance, convenient assembly and reliability.

[0004] To achieve the above-mentioned purpose, the utility model adopts a padlock device of an electric operating mechanism, including a mechanism frame, a shell, and a padlock assembly arranged on the mechanism frame, the padlock assembly including a padlock piece slidably arranged on the mechanism frame, a buffer assembly arranged on the padlock piece, a micro switch for controlling the power supply of the motor of the electric operating mechanism to be connected or disconnected, a manual automatic slide plate slidably arranged on the mechanism frame and matched with the micro switch, a manual automatic push block slidably arranged on the shell and used to drive the manual automatic slide plate, a limit block matched with the manual automatic slide plate is arranged on the padlock piece, the limit block moves with the padlock piece and abuts on the manual automatic slide plate, and constitutes a limit cooperation between the manual automatic slide plate and the limit block, the buffer assembly includes a buffer rod movably arranged on the limit block of the padlock piece, and a spring arranged between the buffer rod and the limit block, the buffer rod moves with the padlock piece and triggers the micro switch to realize the connection or disconnection of the micro switch.

[0005] The beneficial effects of the above structure are: the padlock device has a simple structural design, low cost, simple operation, and can realize safe and reliable locking of the electric operating mechanism. During operation, the manual automatic push block is moved to the automatic position, the manual automatic push block drives the manual automatic slide plate to move, the manual automatic slide plate blocks the manual operation hole, and then the padlock plate is pulled out, the limit block of the padlock plate abuts on the manual automatic slide plate, the limit block locks the manual automatic slide plate, thereby realizing the locking of the manual operation function of the electric operating mechanism, the buffer rod moves with the limit block of the padlock plate, the buffer rod abuts on the micro switch, the micro switch cuts off the power supply of the motor of the electric operating mechanism, thereby realizing the locking of the electric operation function of the electric operating mechanism. A spring is arranged between the buffer rod and the limit block, and the buffer rod assembly adopts an elastic structure design, which can ensure that the buffer rod can reliably trigger the micro switch, and the locking reliability is higher. Therefore, the padlock device of the electric operating mechanism has the advantages of simple structure, stable and reliable performance, convenient assembly, and safety and reliability.

[0006] In particular, one end of the buffer rod is provided with a guide rod portion matched with the limit block, the guide rod portion is provided with a clip, the limit block is provided with a guide hole matched with the guide rod portion, the limit block is provided with a limit groove connected with the guide hole, the guide rod portion is inserted into the guide hole, the clip is engaged in the limit groove, and the spring is sleeved on the guide rod portion. The buffer rod is slidably arranged in the guide hole of the limit block, which is convenient for assembling the buffer rod and the limit block, and can ensure that the buffer rod can reliably trigger the micro switch.

[0007] In particular, the mechanism frame is provided with a guide groove matched with the padlock piece, the padlock piece is inserted in the guide groove, and a sliding connection is formed between the padlock piece and the mechanism frame, a padlock hole is provided on one end of the padlock piece, and a locking hole is provided on the housing at a position corresponding to the padlock hole. The padlock piece is slidably arranged in the guide groove of the mechanism frame, thereby ensuring that the padlock piece can reliably act on the mechanism frame.

[0008] In particular, an elastic limiting arm is provided on one side of the padlock piece, a locking groove and an unlocking groove matching with the elastic limiting arm are provided in the guide groove, the elastic limiting arm moves with the padlock piece, and the elastic limiting arm switches back and forth between the locking groove and the unlocking groove. The elastic limiting arm of the padlock piece cooperates with the locking groove and the unlocking groove in the guide groove, thereby ensuring that the padlock piece can switch reliably between the locking position and the unlocking position, which is beneficial to improving the working reliability of the padlock device.

[0009] In particular, a driving block that cooperates with the micro switch is arranged on one end of the manual automatic slide, and the driving block moves with the manual automatic slide and triggers the micro switch to realize the connection or disconnection of the micro switch. The manual automatic slide triggers the micro switch through the driving block, thereby ensuring that the manual automatic slide can reliably trigger the micro switch, which is conducive to improving the working reliability of the padlock device.

[0010] In particular, the manual automatic slide plate is provided with a sliding groove matched with the mechanism frame, the sliding groove is slidably arranged on the slide plate of the mechanism frame, and constitutes a sliding connection and cooperation between the manual automatic slide plate and the slide plate. The manual automatic slide plate is engaged with the slide plate of the mechanism frame, thereby ensuring that the manual automatic slide plate can reliably move on the mechanism frame.

[0011] In particular, the housing is provided with a sliding guide groove matched with the manual automatic slide plate, the manual automatic slide plate is slidably arranged in the sliding guide groove, and an elastic positioning arm is arranged on one side of the manual automatic slide plate, the sliding guide groove is provided with a manual positioning groove and an automatic positioning groove matched with the elastic positioning arm, the elastic positioning arm moves with the manual automatic slide plate, and the elastic positioning arm switches back and forth between the manual positioning groove and the automatic positioning groove. The sliding guide groove of the housing is provided with a manual positioning groove and an automatic positioning groove matched with the elastic positioning arm of the manual automatic slide plate, thereby ensuring that the manual automatic slide plate can be reliably switched between the manual position and the automatic position.

[0012] In particular, the housing is provided with a sliding hole matched with the manual automatic slide plate, the manual automatic slide plate is provided with a slider matched with the sliding hole, the slider passes through the sliding hole and is connected to the manual automatic push block, and the manual automatic push block is provided with a toggle block exposed outside the housing. The slider of the manual automatic slide plate is slidably arranged in the sliding hole, thereby ensuring that the manual automatic slide plate can reliably move in the housing, which is conducive to improving the working reliability of the padlock device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a stereogram of an embodiment of the utility model.

[0014] Figure 2 This is an exploded view of an embodiment of the utility model.

[0015] Figure 3 This is an assembly diagram of the manual automatic slide and the housing according to an embodiment of the utility model.

[0016] Figure 4 It is a three-dimensional diagram of a padlock piece according to an embodiment of the utility model.

[0017] Figure 5 It is a cross-sectional view of a padlock piece according to an embodiment of the utility model. DETAILED DESCRIPTION

[0018] like Figures 1 to 5 As shown, the embodiment of the utility model is a padlock device of an electric operating mechanism, including a mechanism frame 10, a housing 11, and a padlock assembly 20 arranged on the mechanism frame 10, wherein the padlock assembly 20 includes a padlock plate 21 slidably arranged on the mechanism frame 10, a buffer assembly 22 arranged on the padlock plate 21, a micro switch 23 for controlling the power supply of the motor of the electric operating mechanism to be turned on or off, a manual automatic slide plate 24 slidably arranged on the mechanism frame 10 and matched with the micro switch 23, and a manual automatic push block slidably arranged on the housing 11 and used to drive the manual automatic slide plate 24 25. The padlock piece 21 is provided with a limit block 211 matched with the manual automatic slide plate 24. The limit block 211 moves with the padlock piece 21 and contacts the manual automatic slide plate 24, and constitutes a limit match between the manual automatic slide plate 24 and the limit block 211. The buffer component 22 includes a buffer rod 221 movably arranged on the limit block 211 of the padlock piece 21, and a spring 222 arranged between the buffer rod 221 and the limit block 211. The buffer rod 221 moves with the padlock piece 21 and triggers the micro switch 23 to realize the connection or disconnection of the micro switch 23. One end of the buffer rod 221 is provided with a guide rod portion 2211 matched with the limit block 211, the guide rod portion 2211 is provided with a clip 2212, the limit block 211 is provided with a guide hole 2111 matched with the guide rod portion 2211, the limit block 211 is provided with a limit groove 2112 connected with the guide hole 2111, the guide rod portion 2211 is inserted into the guide hole 2111, the clip 2212 is engaged in the limit groove 2112, and the spring 222 is sleeved on the guide rod portion 2211. The buffer rod is slidably arranged in the guide hole of the limit block, which is convenient for the assembly of the buffer rod and the limit block, and can ensure that the buffer rod can reliably trigger the micro switch.

[0019] like Figure 1 , 2As shown, the mechanism frame 10 is provided with a guide groove 101 that matches with the padlock piece 21. The padlock piece 21 is inserted in the guide groove 101, and constitutes a sliding connection between the padlock piece 21 and the mechanism frame 10. A padlock hole 212 is provided on one end of the padlock piece 21, and a locking hole 110 is provided on the housing 11 at a position corresponding to the padlock hole 212. The padlock piece is slidably arranged in the guide groove of the mechanism frame, so as to ensure that the padlock piece can reliably move on the mechanism frame. An elastic limiting arm 213 is provided on one side of the padlock piece 21, and a locking groove 102 and an unlocking groove 103 that match with the elastic limiting arm 213 are provided in the guide groove 101. The elastic limiting arm 213 moves with the padlock piece 21, and the elastic limiting arm 213 switches back and forth between the locking groove 102 and the unlocking groove 103. The elastic limiting arm of the padlock piece cooperates with the locking groove and the unlocking groove in the guide groove, thereby ensuring that the padlock piece can be reliably switched between the locking position and the unlocking position, which is beneficial to improving the working reliability of the padlock device.

[0020] like Figure 1 , 2As shown in Figure 3, a driving block 241 matched with the micro switch 23 is provided on one end of the manual automatic slide plate 24. The driving block 241 moves with the manual automatic slide plate 24 and triggers the micro switch 23 to realize the connection or disconnection of the micro switch 23. The manual automatic slide plate triggers the micro switch through the driving block, thereby ensuring that the manual automatic slide plate can reliably trigger the micro switch, which is beneficial to improving the working reliability of the padlock device. The manual automatic slide plate 24 is provided with a sliding groove 242 matched with the mechanism frame 10. The sliding groove 242 is slidably arranged on the slide plate 104 of the mechanism frame 101, and constitutes a sliding connection and cooperation between the manual automatic slide plate 24 and the slide plate 104. The manual automatic slide plate is engaged with the slide plate of the mechanism frame, thereby ensuring that the manual automatic slide plate can reliably move on the mechanism frame. The housing 11 is provided with a slide guide groove 111 that matches the manual automatic slide plate 24. The manual automatic slide plate 24 is slidably arranged in the slide guide groove 111, and an elastic positioning arm 243 is arranged on one side of the manual automatic slide plate 24. The slide guide groove 111 is provided with a manual positioning groove 112 and an automatic positioning groove 113 that match the elastic positioning arm 243. The elastic positioning arm 243 moves with the manual automatic slide plate 24, and the elastic positioning arm 243 switches back and forth between the manual positioning groove 112 and the automatic positioning groove 113. The slide guide groove of the housing is provided with a manual positioning groove and an automatic positioning groove that match the elastic positioning arm of the manual automatic slide plate, so that the manual automatic slide plate can be reliably switched between the manual position and the automatic position. The housing 11 is provided with a sliding hole 114 matched with the manual automatic sliding plate 24, the manual automatic sliding plate 24 is provided with a slider 244 matched with the sliding hole 114, the slider 244 passes through the sliding hole 114 and is connected to the manual automatic pushing block 25, and the manual automatic pushing block 25 is provided with a toggle block 251 exposed outside the housing 11. The slider of the manual automatic sliding plate is slidably arranged in the sliding hole, thereby ensuring that the manual automatic sliding plate can reliably move in the housing, which is conducive to improving the working reliability of the padlock device.

[0021] The padlock device has a simple structural design, low cost, simple operation, and can realize safe and reliable locking of the electric operating mechanism. During operation, the manual automatic push block is moved to the automatic position, the manual automatic push block drives the manual automatic slide plate to move, the manual automatic slide plate blocks the manual operating hole, and then the padlock plate is pulled out, the limit block of the padlock plate abuts on the manual automatic slide plate, the limit block locks the manual automatic slide plate, thereby realizing the locking of the manual operating function of the electric operating mechanism, the buffer rod moves with the limit block of the padlock plate, the buffer rod abuts on the micro switch, the micro switch cuts off the power supply of the motor of the electric operating mechanism, thereby realizing the locking of the electric operating function of the electric operating mechanism. A spring is arranged between the buffer rod and the limit block, and the buffer rod assembly adopts an elastic structure design, which can ensure that the buffer rod can reliably trigger the micro switch, and the locking reliability is higher. Therefore, the padlock device of the electric operating mechanism has the advantages of simple structure, stable and reliable performance, convenient assembly, and safety and reliability.

Claims

1. A padlock device for an electric operating mechanism, comprising a mechanism frame, a housing, and a padlock assembly arranged on the mechanism frame, characterized in that: The padlock assembly includes a padlock plate slidably arranged on a mechanism frame, a buffer assembly arranged on the padlock plate, a micro switch for controlling the power supply of a motor of an electric operating mechanism to be connected or disconnected, a manual automatic slide plate slidably arranged on the mechanism frame and coordinated with the micro switch, and a manual automatic push block slidably arranged on a housing and used to drive the manual automatic slide plate. A limit block coordinated with the manual automatic slide plate is arranged on the padlock plate, the limit block moves with the padlock plate and abuts against the manual automatic slide plate, and constitutes a limit cooperation between the manual automatic slide plate and the limit block. The buffer assembly includes a buffer rod movably arranged on the limit block of the padlock plate, and a spring arranged between the buffer rod and the limit block. The buffer rod moves with the padlock plate and triggers the micro switch to realize the connection or disconnection of the micro switch.

2. The padlock device of the electric operating mechanism according to claim 1, characterized in that: A guide rod portion cooperating with a limit block is provided at one end of the buffer rod, a clip is provided on the guide rod portion, a guide hole cooperating with the guide rod portion is provided on the limit block, a limit groove connected with the guide hole is provided on the limit block, the guide rod portion is inserted into the guide hole, the clip is engaged in the limit groove, and the spring is sleeved on the guide rod portion.

3. The padlock device of the electric operating mechanism according to claim 1 or 2, characterized in that: The mechanism frame is provided with a guide groove matched with the padlock piece, the padlock piece is inserted in the guide groove, and constitutes a sliding connection between the padlock piece and the mechanism frame, a padlock hole is provided on one end of the padlock piece, and a locking hole is provided on the shell body corresponding to the padlock hole.

4. The padlock device of the electric operating mechanism according to claim 3, characterized in that: An elastic limiting arm is arranged on one side of the padlock piece, a locking groove and an unlocking groove matching with the elastic limiting arm are arranged in the guide groove, the elastic limiting arm moves with the padlock piece, and the elastic limiting arm switches back and forth between the locking groove and the unlocking groove.

5. The padlock device of the electric operating mechanism according to claim 1 or 2, characterized in that: A driving block matched with the micro switch is arranged on one end of the manual automatic slide. The driving block moves with the manual automatic slide and triggers the micro switch to realize the connection or disconnection of the micro switch.

6. The padlock device of the electric operating mechanism according to claim 1 or 2, characterized in that: The manual automatic slide plate is provided with a sliding groove matched with the mechanism frame, and the sliding groove is slidably arranged on the slide plate of the mechanism frame, and constitutes the sliding connection and matching between the manual automatic slide plate and the slide plate.

7. The padlock device of the electric operating mechanism according to claim 1 or 2, characterized in that: A sliding guide groove cooperating with the manual automatic slide is arranged in the shell, the manual automatic slide is slidably arranged in the sliding guide groove, and an elastic positioning arm is arranged on one side of the manual automatic slide, the sliding guide groove is provided with a manual positioning groove and an automatic positioning groove cooperating with the elastic positioning arm, the elastic positioning arm moves with the manual automatic slide, and the elastic positioning arm switches back and forth between the manual positioning groove and the automatic positioning groove.

8. The padlock device of the electric operating mechanism according to claim 1 or 2, characterized in that: The shell is provided with a sliding hole matched with the manual automatic slide plate, the manual automatic slide plate is provided with a slider matched with the sliding hole, the slider passes through the sliding hole and is connected to the manual automatic push block, and the manual automatic push block is provided with a toggle block exposed outside the shell.

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