CN210073747U

CN210073747U - Automatic reset tripping mechanism suitable for control cabinet

Info

Publication number: CN210073747U
Application number: CN201920940966.1U
Authority: CN
Inventors: 李孟董; 邓珍华
Original assignee: Jiangsu Lian Xin Automation Equipment Engineering Co Ltd
Current assignee: Jiangsu Lian Xin Automation Equipment Engineering Co Ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-02-14
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses an automatic reset tripping device suitable for a control cabinet, which belongs to the field of tripping devices and comprises a shell, wherein an electromagnetic movable unit is fixedly arranged at the right side inside the shell, a mounting plate is fixedly arranged inside the shell, an electromagnetic movable rotating shaft is fixedly arranged at one side of the front side of the mounting plate, a bar-shaped rotating block is rotatably connected outside the electromagnetic movable rotating shaft, the electromagnetic movable unit is rotatably connected with the right end of the bar-shaped rotating block, a resetting device is fixedly arranged at the top of the shell and positioned above the right end of the bar-shaped rotating block, a main shaft is driven to rotate through a breaker to drive a connecting rod to move, so as to drive a first rotating ring to rotate anticlockwise, the first bulge returns to the original position, the electromagnetic movable unit loses power, and the second bulge is pressed against the first bulge again to be kept in a state to be tripped through the elasticity of the resetting device and a second torsional spring, the device realizes the automatic reset of the tripping mechanism.

Description

Automatic reset tripping mechanism suitable for control cabinet

Technical Field

The utility model relates to a tripping device field, more specifically say, relate to an automatic re-setting tripping device suitable for switch board.

Background

A trip unit is a device mechanically connected to a switch and used to release a holding device to open or close the switch. The existing release is driven by a common electromagnet, the working principle of the existing release is that the common electromagnet generates a magnetic field after a coil is electrified, so that suction force is generated, an iron core is continuously accelerated in the suction motion until the iron core reaches a final position, and meanwhile, a reset spring stores energy. After the coil is powered off, the return spring releases energy to reset the iron core.

The existing tripping mechanism does not have a self-resetting function, can be moved next time only by manual resetting, is complex in structure, and occupies more space, so that the spatial layout in the control cabinet is influenced.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an automatic re-setting tripping device suitable for switch board possesses automatic re-setting, compact structure, and advantage that occupation space is little has solved current tripping device and has not possessed from reset function, needs manual reset just can carry out the action next time, and the structure is more complicated simultaneously, and the mechanism need occupy more space, influences the problem of the spatial layout in the switch board.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

An automatic reset tripping mechanism suitable for a control cabinet comprises a shell, wherein an electromagnetic movable unit is fixedly mounted on the right side inside the shell, a mounting plate is fixedly mounted inside the shell, an electromagnetic movable rotating shaft is fixedly mounted on one positive side of the mounting plate, a bar-shaped rotating block is rotatably connected to the outside of the electromagnetic movable rotating shaft, the electromagnetic movable unit is rotatably connected with the right end of the bar-shaped rotating block, a resetting device is fixedly mounted at the top of the shell above the right end of the bar-shaped rotating block, a first rotating shaft is fixedly mounted inside the shell, a second rotating shaft is fixedly mounted inside the shell on the right side of the first rotating shaft, a first rotating ring is rotatably connected to the outside of the first rotating shaft, a first bulge is arranged outside the first rotating ring, a first torsion spring is sleeved outside the first rotating shaft, and a bolt fixing block is fixedly mounted at the left end of the top wall inside the shell, the bottom of the bolt fixing block is fixedly provided with a first fixing bolt, one end of a first torsion spring is fixedly connected with the first fixing bolt, the other end of the first torsion spring is fixedly connected with a first rotating ring, the outer part of a second rotating shaft is rotatably connected with a second rotating ring, a second bulge is arranged on the outer part of the second rotating ring, a second torsion spring is sleeved on the outer part of the second rotating shaft, a second fixing bolt is fixedly arranged on the inner bottom wall of the shell, one end of the second torsion spring is fixedly connected with the second fixing bolt, the other end of the second torsion spring is fixedly connected with the second rotating ring, the first bulge is abutted against the second bulge, the top end of the second rotating ring is rotatably connected with a second connecting rod, one end of the second connecting rod, far away from the second rotating ring, is rotatably connected with the left end of the bar-shaped rotating block, the bottom of the shell, which is positioned below the first rotating ring, is provided, the right end of the circuit breaker driving main shaft is rotatably connected with a connecting rod, one end, far away from the circuit breaker driving main shaft, of the connecting rod penetrates through a connecting hole to extend into the shell and is rotatably connected with a first rotating ring, the left end of the first rotating ring is rotatably connected with a tripping connecting rod, the left end of the tripping connecting rod is rotatably connected with a tripping rod, the left end of the tripping rod penetrates through the shell and extends to the left side of the shell, a tripping shaft is arranged on the left side of the shell, a tripping plate is fixedly connected to the top of the tripping shaft, the left end of the tripping rod is in contact with the tripping plate, when the circuit breaker driving device is used, an electromagnetic movable unit receives current and moves under the action of electromagnetic force to drive the right end of a bar-shaped rotating block to move upwards towards the lower left end, so as to drive a second connecting rod to enable a second rotating ring to rotate anticlockwise, meanwhile, the second, because elasticity has been accumulated before the first torsion spring, make first rotating ring clockwise rotation under the effect of elasticity, and then drive the motion of dropout connecting rod, and then drive the motion of dropout pole left side, promote the dropout board and make the trip shaft rotate, thereby realize the dropout action, accomplish the separating brake of circuit breaker, circuit breaker drive main shaft rotates simultaneously, drive the connecting rod motion, and then drive first rotating ring anticlockwise rotation, first arch gets back to the normal position, electromagnetism movable unit loses the electricity, through the elasticity of resetting means and second torsion spring, make second rotating ring clockwise rotate and make the second arch support first arch once more and keep in the state of waiting to trip, make the device realize tripping device automatic re-setting, compact structure, and occupation space is little.

Preferably, resetting means includes the reset bolt, reset bolt's bottom is provided with the reset torsion spring, reset torsion spring's upper end and reset bolt fixed connection, reset torsion spring's lower extreme and the right-hand member fixed connection of bar turning block, when tripping operation goes on, the right-hand member upward movement of bar turning block for the extrusion is received to the reset torsion spring, and accumulation elasticity, after tripping operation accomplishes, the right-hand member downward movement through the elasticity drive bar turning block of reset torsion spring gets back to the state before tripping operation, accomplishes and resets, has ensured the normal operating of device.

Preferably, electromagnetism movable unit includes insulating casing, insulating casing's interior diapire fixed mounting has the electro-magnet, insulating casing's inside is located the upper portion of electro-magnet and is provided with the iron core, iron core and insulating casing sliding connection, the top of iron core is rotated and is connected with the iron core connecting rod, the top of iron core connecting rod is rotated with the right-hand member of bar turning block and is connected, and the electro-magnet obtains electric current production magnetic force during the use, attracts the iron core downstream, and then drives the motion of iron core connecting rod, plays the work of accomplishing the dropout with other structure cooperations of device, has ensured the normal operating of device.

Preferably, the left and right sides of bar turning block fixed mounting respectively has left end pivot and right-hand member pivot, the left end pivot is rotated with the top of iron core connecting rod and is connected, the right-hand member pivot is rotated with the one end that the second swivel becket was kept away from to the second connecting rod and is connected for the rotation through the bar turning block drives the motion of second connecting rod when the iron core connecting rod moves, has ensured the normal operating of device.

Preferably, a plurality of fixing plates with holes are fixedly arranged at the top, the bottom and the right side of the shell, and a user can conveniently fix the device in the control cabinet through bolts and other work through the fixing plates with holes, so that the device is convenient to install.

Preferably, the positive one side of mounting panel is provided with two mounting screws, the one end at the mounting screw back runs through mounting panel and casing in proper order and extends to the inside of casing, the mounting panel passes through mounting screw and casing fixed connection, can be with the stable fixing of mounting panel in the casing through mounting screw, has improved the stability of device.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) when the scheme is used, the electromagnetic movable unit receives current and moves under the action of electromagnetic force to drive the right end of the strip-shaped rotating block to move downwards and the left end of the strip-shaped rotating block to move upwards so as to drive the second connecting rod to enable the second rotating ring to rotate anticlockwise, meanwhile, the second bulge also rotates anticlockwise and no longer supports against the first bulge to enable the first rotating ring to rotate, due to the fact that elastic force is accumulated before the first torsion spring, the first rotating ring rotates clockwise under the action of the elastic force and further drives the tripping connecting rod to move, further the tripping rod is driven to move leftwards, the tripping plate is pushed to enable the tripping shaft to rotate, tripping action is achieved, tripping of the circuit breaker is achieved, meanwhile, the circuit breaker drives the main shaft to rotate and drives the connecting rod to move, further the first rotating ring rotates anticlockwise, the first bulge returns to the original position, the electromagnetic movable unit, the second rotating ring rotates clockwise to enable the second protrusion to abut against the first protrusion again to be kept in a state of waiting to be tripped, so that the device realizes automatic resetting of the tripping mechanism, and has the advantages of compact structure and small occupied space.

(2) This scheme is when the work of threading off goes on, and the right-hand member upward movement of bar turning block for the reduction torsion spring receives the extrusion, accumulates elasticity, and after the work of threading off was accomplished, the right-hand member downward movement of driving the bar turning block through the elasticity of reduction torsion spring got back to the state before the work of threading off, accomplished and reset, has ensured the normal operating of device.

(3) When the scheme is used, the electromagnet obtains current to generate magnetic force, the iron core is attracted to move downwards, then the iron core connecting rod is driven to move, the work of tripping is completed by matching with other structures of the device, and the normal operation of the device is guaranteed.

(4) This scheme left end pivot is rotated with the top of iron core connecting rod and is connected, and the right-hand member pivot is rotated with the one end that the second swivel becket was kept away from to the second connecting rod and is connected for the rotation through the bar turning block drives the motion of second connecting rod during the motion of iron core connecting rod, has ensured the normal operating of device.

(5) This scheme can the person of facilitating the use fix the device in the switch board through work such as bolt through foraminiferous fixed plate, easy to assemble.

(6) This scheme mounting panel passes through mounting screw and casing fixed connection, can be with the stable fixing of mounting panel in the casing through mounting screw, has improved the stability of device.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the utility model when tripping is in operation;

fig. 3 is a schematic structural view of the electromagnetic movable unit of the present invention;

fig. 4 is a schematic structural diagram of the resetting device of the present invention.

The reference numbers in the figures illustrate:

1. a housing; 2. an electromagnetic activity unit; 3. mounting a plate; 4. an electromagnetic movable rotating shaft; 5. a bar-shaped turning block; 6. a resetting device; 7. a first rotating shaft; 8. a second rotating shaft; 9. a first rotating ring; 10. a first protrusion; 11. a first torsion spring; 12. fixing blocks for bolts; 13. a first fixing bolt; 14. a second rotating ring; 15. a second protrusion; 16. a second torsion spring; 17. a second fixing bolt; 18. a second connecting rod; 19. Connecting holes; 20. a circuit breaker driving spindle; 21. a connecting rod; 22. a tripping connecting rod; 23. a trip bar; 24. Tripping the shaft; 25. a releasing plate; 601. resetting the bolt; 602. a return torsion spring; 201. an insulating housing; 202. An electromagnet; 203. an iron core; 204. an iron core connecting rod; 501. a left end rotating shaft; 502. a right end rotating shaft; 101. a fixed plate with holes; 301. and (5) mounting screws.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-4, an automatic reset tripping mechanism suitable for a control cabinet comprises a housing 1, an electromagnetic movable unit 2 is fixedly installed on the right side inside the housing 1, an installation plate 3 is fixedly installed inside the housing 1, an electromagnetic movable rotating shaft 4 is fixedly installed on one side of the front surface of the installation plate 3, a bar-shaped rotating block 5 is rotatably connected to the outside of the electromagnetic movable rotating shaft 4, the electromagnetic movable unit 2 is rotatably connected to the right end of the bar-shaped rotating block 5, a reset device 6 is fixedly installed on the top of the housing 1 above the right end of the bar-shaped rotating block 5, a first rotating shaft 7 is fixedly installed inside the housing 1, a second rotating shaft 8 is fixedly installed inside the housing 1 on the right side of the first rotating shaft 7, a first rotating ring 9 is rotatably connected to the outside of the first rotating shaft 7, a first protrusion 10 is arranged outside the first rotating ring 9, a first torsion spring 11 is sleeved outside the first, a bolt fixing block 12 is fixedly installed at the left end of the inner top wall of the shell 1, a first fixing bolt 13 is fixedly installed at the bottom of the bolt fixing block 12, one end of a first torsion spring 11 is fixedly connected with the first fixing bolt 13, the other end of the first torsion spring is fixedly connected with a first rotating ring 9, the outer part of a second rotating shaft 8 is rotatably connected with a second rotating ring 14, a second bulge 15 is arranged at the outer part of the second rotating ring 14, a second torsion spring 16 is sleeved at the outer part of the second rotating shaft 8, a second fixing bolt 17 is fixedly installed at the inner bottom wall of the shell 1, one end of the second torsion spring 16 is fixedly connected with the second fixing bolt 17, the other end of the second torsion spring is fixedly connected with the second rotating ring 14, the first bulge 10 is abutted against the second bulge 15, a second connecting rod 18 is rotatably connected at the top end of the second rotating ring 14, one end of the second connecting rod 18 far away from the second rotating ring 14 is rotatably connected with the left end of the, a circuit breaker driving main shaft 20 is arranged at the bottom of the shell 1, a connecting rod 21 is rotatably connected at the right end of the circuit breaker driving main shaft 20, one end of the connecting rod 21, far away from the circuit breaker driving main shaft 20, extends into the shell 1 through a connecting hole 19 and is rotatably connected with the first rotating ring 9, a tripping connecting rod 22 is rotatably connected at the left end of the first rotating ring 9, a tripping rod 23 is rotatably connected at the left end of the tripping connecting rod 22, the left end of the tripping rod 23 extends to the left side of the shell 1 through the shell 1, a tripping shaft 24 is arranged at the left side of the shell 1, a tripping plate 25 is fixedly connected at the top of the tripping shaft 24, the left end of the tripping rod 23 is contacted with the tripping plate 25, when the electromagnetic activity unit 2 receives current and generates movement due to the action of electromagnetic force, the right end of the bar-shaped rotating block 5 is driven to move upwards towards the lower left, at the same time, the second protrusions 15 are also rotated counterclockwise, and are no longer abutted against the first protrusions 10 so that the first rotating ring 9 can be rotated, since the first torsion spring 11 previously accumulated elastic force, the first rotating ring 9 is rotated clockwise under the action of elastic force, and then the tripping connecting rod 22 is driven to move, thereby driving the trip bar 23 to move leftwards, pushing the trip plate 25 to rotate the trip shaft 24, realizing the trip action, completing the brake opening of the circuit breaker, simultaneously driving the main shaft to rotate to drive the connecting rod to move, thereby driving the first rotating ring 9 to rotate anticlockwise, the first bulge 10 returns to the original position, the electromagnetic movable unit 2 is powered off, through the elasticity of the resetting device 6 and the second torsion spring 16, the second rotating ring 14 rotates clockwise to enable the second protrusion 15 to abut against the first protrusion 10 again to be kept in a state to be tripped, so that the device realizes automatic resetting of the tripping mechanism, and has the advantages of compact structure and small occupied space.

Further, resetting means 6 includes reset bolt 601, reset bolt 601's bottom is provided with reset torsion spring 602, reset torsion spring 602's upper end and reset bolt 601 fixed connection, reset torsion spring 602's lower extreme and bar turning block 5's right-hand member fixed connection, when the dropout work goes on, bar turning block 5's right-hand member upward movement, make reset torsion spring 602 receive the extrusion, accumulate elasticity, after the dropout work is accomplished, the right-hand member downward movement of bar turning block 5 is driven through reset torsion spring 602's elasticity, get back to the state before the dropout work, the completion resets, the normal operating of device has been ensured.

Further, electromagnetism movable unit 2 includes insulating casing 201, insulating casing 201's interior diapire fixed mounting has electro-magnet 202, insulating casing 201's inside is located the upper portion of electro-magnet 202 and is provided with iron core 203, iron core 203 and insulating casing 201 sliding connection, the top of iron core 203 is rotated and is connected with iron core connecting rod 204, the top of iron core connecting rod 204 is rotated with the right-hand member of bar turning block 5 and is connected, electro-magnet 202 obtains electric current production magnetic force during the use, attract iron core 203 downstream, and then drive iron core connecting rod 204 and move, play the work of accomplishing the dropout with other structure cooperations of device, the normal operating of device has been ensured.

Further, the left and right sides of bar turning block 5 is fixed mounting respectively has left end pivot 501 and right-hand member pivot 502, and left end pivot 501 rotates with the top of iron core connecting rod 204 to be connected, and right-hand member pivot 502 rotates with the one end that second swivel becket 14 was kept away from to second connecting rod 18 to be connected for iron core connecting rod 204 drives the motion of second connecting rod 18 through the rotation of bar turning block 5 during the motion, has ensured the normal operating of device.

Further, a plurality of fixing plates with holes 101 are fixedly arranged at the top, the bottom and the right side of the shell 1, and a user can conveniently fix the device in a control cabinet through bolts and other work through the fixing plates with holes 101, so that the device is convenient to install.

Furthermore, two mounting screws 301 are arranged on one side of the front face of the mounting plate 3, one ends of the back faces of the mounting screws 301 sequentially penetrate through the mounting plate 3 and the shell 1 and extend into the shell 1, the mounting plate 3 is fixedly connected with the shell 1 through the mounting screws 301, the mounting plate 3 can be stably fixed in the shell 1 through the mounting screws 301, and stability of the device is improved.

The working principle is as follows: when in use, the electromagnetic movable unit 2 receives current and moves under the action of electromagnetic force to drive the right end of the strip-shaped rotating block 5 to move downwards and the left end to move upwards, further the second connecting rod 18 is driven to drive the second rotating ring 14 to rotate anticlockwise, meanwhile, the second bulge 15 also rotates anticlockwise and no longer supports against the first bulge 10 to drive the first rotating ring 9 to rotate, due to the elastic force accumulated before the first torsion spring 11, the first rotating ring 9 rotates clockwise under the action of the elastic force, further the tripping connecting rod 22 is driven to move, further the tripping rod 23 is driven to move leftwards, the tripping plate 25 is pushed to drive the tripping shaft 24 to rotate, the tripping of the circuit breaker is completed, meanwhile, the circuit breaker drives the main shaft to rotate, the connecting rod is driven to move, further the first rotating ring 9 rotates anticlockwise, the first bulge 10 returns to the original position, the electromagnetic movable unit 2 is de-energized, and the elastic force of the resetting, the second rotating ring 14 rotates clockwise to enable the second protrusion 15 to abut against the first protrusion 10 again to be kept in a state of waiting to be tripped, the device is enabled to achieve automatic resetting of the tripping mechanism, the structure is compact, the occupied space is small, the problems that the existing tripping mechanism does not have a self-resetting function, manual resetting is needed to perform next action, meanwhile, the structure is complex, the mechanism needs to occupy more space, and the space layout in the control cabinet is affected are solved.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides an automatic re-setting tripping device suitable for switch board, includes casing (1), its characterized in that: the electromagnetic movable unit (2) is fixedly mounted on the right side inside the shell (1), the mounting plate (3) is fixedly mounted inside the shell (1), an electromagnetic movable rotating shaft (4) is fixedly mounted on one positive side of the mounting plate (3), a bar-shaped rotating block (5) is connected to the outside of the electromagnetic movable rotating shaft (4) in a rotating manner, the electromagnetic movable unit (2) is connected to the right end of the bar-shaped rotating block (5) in a rotating manner, a reset device (6) is fixedly mounted above the right end of the bar-shaped rotating block (5) at the top of the shell (1), a first rotating shaft (7) is fixedly mounted inside the shell (1), a second rotating shaft (8) is fixedly mounted inside the right side of the first rotating shaft (7) inside the shell (1), a first rotating ring (9) is connected to the outside of the first rotating shaft (7), a first bulge (10) is arranged outside the first rotating ring (9), the outer part of the first rotating shaft (7) is sleeved with a first torsion spring (11), the left end of the inner top wall of the shell (1) is fixedly provided with a bolt fixing block (12), the bottom of the bolt fixing block (12) is fixedly provided with a first fixing bolt (13), one end of the first torsion spring (11) is fixedly connected with the other end of the first fixing bolt (13) and a first rotating ring (9), the outer part of the second rotating shaft (8) is rotatably connected with a second rotating ring (14), the outer part of the second rotating ring (14) is provided with a second bulge (15), the outer part of the second rotating shaft (8) is sleeved with a second torsion spring (16), the inner bottom wall of the shell (1) is fixedly provided with a second fixing bolt (17), one end of the second torsion spring (16) is fixedly connected with the other end of the second fixing bolt (17) and the second rotating ring (14), the first bulge (10) is connected with the second bulge (15) in a butting mode, the top end of the second rotating ring (14) is rotatably connected with a second connecting rod (18), one end, far away from the second rotating ring (14), of the second connecting rod (18) is rotatably connected with the left end of the bar-shaped rotating block (5), a connecting hole (19) is formed in the bottom of the shell (1) and located below the first rotating ring (9), a circuit breaker driving spindle (20) is arranged at the bottom of the shell (1), the right end of the circuit breaker driving spindle (20) is rotatably connected with a connecting rod (21), one end, far away from the circuit breaker driving spindle (20), of the connecting rod (21 penetrates through the connecting hole (19) and extends to the inside of the shell (1) and is rotatably connected with the first rotating ring (9), the left end of the first rotating ring (9) is rotatably connected with a tripping connecting rod (22), and the left end of the tripping rod (22) is rotatably connected with a tripping rod (23, the left end of trip bar (23) runs through the left side that casing (1) extended to casing (1), the left side of casing (1) is provided with trip shaft (24), the top fixedly connected with trip plate (25) of trip shaft (24), the left end and the trip plate (25) of trip bar (23) contact.

2. The automatic reset tripping mechanism suitable for the control cabinet according to claim 1, wherein: resetting means (6) are including reset bolt (601), the bottom of reset bolt (601) is provided with reset torsion spring (602), the upper end and the reset bolt (601) fixed connection of reset torsion spring (602), the lower extreme of reset torsion spring (602) and the right-hand member fixed connection of bar turning block (5).

3. The automatic reset tripping mechanism suitable for the control cabinet according to claim 1, wherein: electromagnetism movable unit (2) are including insulating casing (201), the interior diapire fixed mounting of insulating casing (201) has electro-magnet (202), the inside upper portion that is located electro-magnet (202) of insulating casing (201) is provided with iron core (203), iron core (203) and insulating casing (201) sliding connection, the top of iron core (203) is rotated and is connected with iron core connecting rod (204), the top of iron core connecting rod (204) is rotated with the right-hand member of bar turning block (5) and is connected.

4. The automatic reset tripping mechanism suitable for the control cabinet according to claim 1 or 3, characterized in that: the left side and the right side of the bar-shaped rotating block (5) are respectively and fixedly provided with a left end rotating shaft (501) and a right end rotating shaft (502), the left end rotating shaft (501) is rotatably connected with the top end of the iron core connecting rod (204), and the right end rotating shaft (502) is rotatably connected with one end, far away from the second rotating ring (14), of the second connecting rod (18).

5. The automatic reset tripping mechanism suitable for the control cabinet according to claim 1, wherein: the top, the bottom and the right side of the shell (1) are fixedly provided with a plurality of fixing plates (101) with holes.

6. The automatic reset tripping mechanism suitable for the control cabinet according to claim 1, wherein: the positive one side of mounting panel (3) is provided with two mounting screw (301), the one end at the mounting screw (301) back runs through mounting panel (3) and casing (1) in proper order and extends to the inside of casing (1), mounting panel (3) are through mounting screw (301) and casing (1) fixed connection.