Grounding interlocking mechanism of switch cabinet

Abstract

The utility model discloses a switch cabinet grounding interlocking mechanism which comprises a bending plate, a first fixing seat is fixedly connected to the center of the bottom of the bending plate, second fixing seats are arranged on the left side and the right side of the first fixing seat, and the two second fixing seats are fixedly connected to the bottom of the bending plate. Through the arrangement of the first springs, the second springs and the circular shafts, when a movable plate moves up and down in the switch cabinet, a rack on a transmission plate is driven to move, the rack drives a bottom gear to rotate and drives a connecting block to compress the second springs at the same time, and the movable plate is driven to move up and down. Meanwhile, a bottom gear drives a top gear to rotate, the top gear drives a corresponding transmission rod to rotate, the top transmission rod drives a circular shaft and a circular rod to rotate, when the circular shaft and the circular rod rotate, a corresponding first spring is compressed or stretched, meanwhile, the circular shaft drives a spring bolt to move, and a certain buffering effect can be achieved through cooperation of the first spring and a second spring; and the safety of the spring bolt is effectively protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of grounding interlocking, in particular to a switch cabinet grounding interlocking mechanism. BACKGROUND

[0002] The switch cabinet is a kind of electrical equipment, and the external line of the switch cabinet enters the main control switch in cabinet first, then enters branch control switch, and each branch is set according to its needs.The main role of the switch cabinet is to open, control and protect the electrical equipment in the process of power generation, power transmission, power distribution and electric energy conversion in the power system.

[0003] The switch cabinet grounding interlocking mechanism is a kind of protection device that allows closing only during power-off maintenance.The switch cabinet grounding interlocking mechanism of prior art is usually connected by connecting rod rigidly, which means that the lock tongue will collide with the handcart chassis when locking, which will greatly reduce the service life of the lock tongue, cause loss and even affect safety performance over a long period of time.Therefore, the switch cabinet grounding interlocking mechanism is proposed to solve the above problems. SUMMARY

[0004] The utility model aims at providing a kind of switch cabinet grounding interlocking mechanism to solve the above background technical problems, which can provide certain buffering effect when the lock tongue moves, to avoid strong impact force directly acting on the lock tongue.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of switch cabinet grounding interlocking mechanism, including bent plate, the bottom center of bent plate is fixedly connected with one fixed seat, the left and right sides of one fixed seat are provided with two fixed seats, two two fixed seats are fixedly connected in bent plate bottom, and two two fixed seats are all penetrated with round shaft and are rotatably connected, two round shafts are movably connected with one fixed seat, and the outer side of left round shaft is fixedly installed with lock tongue, the bottom of bent plate is close to the right side and is provided with movable plate, the movable plate is fixedly installed with transmission plate, and transmission assembly is arranged between transmission plate and right round shaft.

[0006] Preferably, the transmission assembly includes a hollow shell, the hollow shell is fixedly installed on the bent plate bottom close to the right side, and a through slot is formed in the bottom of the hollow shell, two intermeshing gears are arranged in the inner cavity of the hollow shell, the two gears are arranged in an upper and lower manner, the top gear is fixedly connected with the corresponding round shaft, and the outer side of the bottom gear is engaged with a rack, the rack is movably connected with the inner wall of the hollow shell, and the bottom of the rack penetrates through the through slot and is fixedly connected with the transmission plate.

[0007] Preferably, two transmission rods are fixedly installed on the two gears, two side plates are movably installed on the ends of the two transmission rods away from the corresponding gears, and the two side plates are fixedly installed inside the hollow shell.

[0008] Preferably, a connecting block is fixedly connected to the outside of the rack, a limiting block is fixedly connected to the outside of the connecting block, a limiting groove is formed on the outer wall of the hollow shell, and the limiting block is slidably connected to the inner cavity of the limiting groove.

[0009] Preferably, a vertical rod is movably installed through the connecting block, and the two ends of the vertical rod are fixedly connected to the top and bottom of the inner wall of the hollow shell, respectively. A second spring is sleeved on the outside of the vertical rod, and the two ends of the second spring are fixedly connected to the top of the connecting block and the top of the inner wall of the hollow shell, respectively.

[0010] Preferably, a round rod is fixedly connected between the two round shafts. The round rod passes through the first fixed seat and is movably connected to the first fixed seat. Two first springs are sleeved on the outside of the round rod. The two ends of the two first springs are fixedly connected to the outer wall of the first fixed seat and the outer wall of the corresponding round shaft, respectively.

[0011] Preferably, the outer diameter of the circular shaft is larger than the outer diameter of the circular rod.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] By incorporating a No. 1 spring, a No. 2 spring, and a round shaft, the movable plate moves up and down inside the switch cabinet, causing the rack on the transmission plate to move. The rack drives the bottom gear to rotate, which in turn drives the connecting block to compress the No. 2 spring. Simultaneously, the bottom gear drives the top gear to rotate, which in turn drives the corresponding transmission rod to rotate. The top transmission rod then drives the round shaft and the round rod to rotate. As the round shaft and the round rod rotate, they respectively compress or stretch the corresponding No. 1 spring. At the same time, the round shaft drives the locking tongue to move. The cooperation of the No. 1 and No. 2 springs provides a certain buffering effect, effectively protecting the safety of the locking tongue. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the external structure of the present invention from one angle;

[0015] Figure 2 This is a schematic diagram of the external structure of this utility model from another angle;

[0016] Figure 3 This is a structural schematic diagram of the circular shaft and other components of this utility model;

[0017] Figure 4 This is a structural schematic diagram of the hollow shell and other components of this utility model;

[0018] Figure 5 This is a schematic diagram of the internal structure of the hollow shell of this utility model.

[0019] In the diagram: 1. Bent plate; 2. Locking tongue; 3. Round shaft; 4. Fixed seat No. 1; 5. Fixed seat No. 2; 6. Round rod; 7. Spring No. 1; 8. Hollow shell; 9. Limiting groove; 10. Through groove; 11. Transmission plate; 12. Movable plate; 13. Rack; 14. Limiting block; 15. Connecting block; 16. Spring No. 2; 17. Vertical rod; 18. Side plate; 19. Transmission rod; 20. Gear. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figures 1 to 5 This utility model provides a technical solution: a grounding interlocking mechanism for a switchgear, including a bent plate 1. A first fixed seat 4 is fixedly connected to the center of the bottom of the bent plate 1. Second fixed seats 5 are provided on both the left and right sides of the first fixed seat 4. The two second fixed seats 5 are fixedly connected to the bottom of the bent plate 1, and a round shaft 3 is rotatably connected through the two second fixed seats 5. The two round shafts 3 are movably connected to the first fixed seat 4. A locking tongue 2 is fixedly installed on the outer side of the left round shaft 3. The round shaft 3 applies force to the locking tongue 2 to complete the subsequent work. A movable plate 12 is provided near the right side of the bottom of the bent plate 1. A transmission plate 11 is fixedly installed on the movable plate 12. A transmission assembly is provided between the transmission plate 11 and the right round shaft 3. The transmission assembly enables the movable plate 12 to smoothly drive the locking tongue 2 to move when it moves up and down inside the switchgear.

[0022] Please see Figure 4 and Figure 5 The transmission assembly includes a housing 8, which is fixedly installed at the bottom of the curved plate 1 near the right side. The bottom of the housing 8 has a through groove 10. The inner cavity of the housing 8 is provided with two meshing gears 20, which are arranged vertically. The top gear 20 is fixedly connected to the corresponding round shaft 3, and the bottom gear 20 is meshed with a rack 13. The rack 13 is movably connected to the inner wall of the housing 8, and the bottom of the rack 13 passes through the through groove 10 and is fixedly connected to the transmission plate 11. This arrangement causes the movable plate 12 to move, which in turn causes the transmission plate 11 to move. The transmission plate 11 then causes the rack 13 to move, which in turn causes the bottom gear 20 to rotate. The bottom gear 20 then causes the top gear 20 to rotate, which in turn causes the round shaft 3 to rotate, thereby causing the round shaft 3 to move the locking tongue 2.

[0023] Please see Figure 4 and Figure 5A transmission rod 19 is fixedly installed through each of the two gears 20. A side plate 18 is movably installed at the end of each transmission rod 19 away from the corresponding gear 20. Both side plates 18 are fixedly installed inside the shell 8. This arrangement allows the top gear 20 to rotate when it is pushed, which in turn drives the top transmission rod 19 to rotate. The top transmission rod 19 then drives the corresponding round shaft 3 to rotate, thus enabling subsequent operations.

[0024] Please see Figure 4 and Figure 5 A connecting block 15 is fixedly connected to the outside of the rack 13, and a limiting block 14 is fixedly connected to the outside of the connecting block 15. A limiting groove 9 is opened on the outer wall of the shell 8, and the limiting block 14 is slidably connected to the inner cavity of the limiting groove 9. Through the cooperation of the limiting block 14 and the limiting groove 9, the up and down movement trajectory of the rack 13 is limited, thereby improving stability and preventing derailment.

[0025] Please see Figure 5 A vertical rod 17 is movably installed through the connecting block 15. The two ends of the vertical rod 17 are fixedly connected to the top and bottom of the inner wall of the empty shell 8, respectively. A second spring 16 is sleeved on the outside of the vertical rod 17. The two ends of the second spring 16 are fixedly connected to the top of the connecting block 15 and the top of the inner wall of the empty shell 8, respectively. This arrangement allows the connecting block 15 to compress or stretch the second spring 16 when it moves up and down, which can play a certain buffering role when the locking tongue 2 moves.

[0026] Please see Figure 2 and Figure 3 A round rod 6 is fixedly connected between the two round shafts 3. The round rod 6 passes through the first fixed seat 4 and is movably connected to the first fixed seat 4. Two first springs 7 are sleeved on the outside of the round rod 6. The two ends of the two first springs 7 are fixedly connected to the outer wall of the first fixed seat 4 and the outer wall of the corresponding round shaft 3, respectively. The outer diameter of the round shaft 3 is larger than the outer diameter of the round rod 6. This setting allows the two first springs 7 on the outside of the first fixed seat 4 to be compressed or stretched when the round shaft 3 and the round rod 6 rotate synchronously. This, in conjunction with the second spring 16, provides a better buffering effect.

[0027] Working principle: When in use, the entire mechanism is installed inside the switch cabinet. When the movable plate 12 moves up and down inside the switch cabinet, the movable plate 12 will drive the rack 13 on the transmission plate 11 to move. The rack 13 drives the bottom gear 20 to rotate, and at the same time, it also drives the connecting block 15 to compress the second spring 16 on the vertical rod 17. The bottom gear 20 drives the top gear 20 to rotate, and the top gear 20 drives the corresponding transmission rod 19 to rotate. The top transmission rod 19 drives the round shaft 3 and the round rod 6 to rotate. When the round shaft 3 and the round rod 6 rotate, they respectively compress or stretch the corresponding first spring 7. At the same time, the round shaft 3 drives the locking tongue 2 to move. The cooperation of the first spring 7 and the second spring 16 can play a certain buffering effect and effectively protect the safety of the locking tongue 2.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A switchgear grounding interlock mechanism comprising a bent plate (1), characterized in that: The bottom center of the bending plate (1) is fixedly connected with a first fixed seat (4), both sides of the first fixed seat (4) are provided with a second fixed seat (5), both the second fixed seats (5) are fixedly connected to the bottom of the bending plate (1), and both the second fixed seats (5) are rotatably connected with a circular shaft (3), both the circular shafts (3) are movably connected with the first fixed seat (4), and the outer side of the left circular shaft (3) is fixedly connected with a lock tongue (2), and the bottom of the bending plate (1) is provided with a movable plate (12) near the right side, the movable plate (12) is fixedly connected with a transmission plate (11), and the transmission plate (11) is provided with a transmission assembly between the right circular shaft (3).

2. The grounding interlocking mechanism of the switch cabinet according to claim 1, characterized in that: The transmission assembly comprises an empty shell (8), the empty shell (8) is fixedly installed on the bottom of the bending plate (1) near the right side, and a through groove (10) is formed in the bottom of the empty shell (8), two intermeshing gears (20) are arranged in the inner cavity of the empty shell (8), the two gears (20) are arranged in an upper and lower manner, the top gear (20) is fixedly connected with the corresponding circular shaft (3), and the outer side of the bottom gear (20) is engaged with a rack (13), the rack (13) is movably connected with the inner wall of the empty shell (8), and the bottom of the rack (13) penetrates through the through groove (10) and is fixedly connected with the transmission plate (11).

3. The grounding interlocking mechanism of the switch cabinet according to claim 2, characterized in that: Two transmission rods (19) are fixedly installed on the two gears (20), and a side plate (18) is movably installed at the end of each transmission rod (19) away from the corresponding gear (20), and the two side plates (18) are fixedly installed in the inner cavity of the empty shell (8).

4. The grounding interlocking mechanism of the switch cabinet according to claim 2, characterized in that: The outer side of the rack (13) is fixedly connected with a connecting block (15), the outer side of the connecting block (15) is fixedly connected with a limiting block (14), a limiting groove (9) is formed in the outer wall of the empty shell (8), and the limiting block (14) is slidably connected in the inner cavity of the limiting groove (9).

5. The grounding interlock mechanism of the switchgear according to claim 4, characterized in that: A vertical rod (17) is movably installed on the connecting block (15), the two ends of the vertical rod (17) are fixedly connected with the top and bottom of the inner wall of the empty shell (8), and a second spring (16) is sleeved and installed on the outer side of the vertical rod (17), and the two ends of the second spring (16) are fixedly connected with the top of the connecting block (15) and the top of the inner wall of the empty shell (8).

6. The grounding interlocking mechanism of the switch cabinet according to claim 1, characterized in that: A circular rod (6) is fixedly connected between the two circular shafts (3), the circular rod (6) penetrates through the first fixed seat (4) and is movably connected with the first fixed seat (4), and two first springs (7) are sleeved on the outer side of the circular rod (6), and the two ends of the two first springs (7) are fixedly connected with the outer wall of the first fixed seat (4) and the outer wall of the corresponding circular shaft (3).

7. The grounding interlock mechanism of the switchgear according to claim 6, characterized in that: The outer diameter of the circular shaft (3) is greater than the outer diameter of the circular rod (6).

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