CN115347479A - Electrical control cabinet safe in utilization - Google Patents

Abstract

An electrical control cabinet that is safe to use. The electrical control cabinet includes a cabinet body and a power-off self-locking device. The cabinet body is provided with a cabinet door, one side of the cabinet door is provided with a handle, and the opposite side of the cabinet door handle is provided with a limit trigger. The power-off self-locking device is fixed on the side wall near the cabinet door shaft on the cabinet body. The power-off self-locking device is set correspondingly to the limit trigger lever. The power-off self-locking device includes a C-shaped bracket and a wedge-shaped limit rod. and the power-off button, the vertical plate of the C-shaped bracket is set flush with the outer edge of the side wall of the cabinet door, and the wedge-shaped limit lever and the power-off button are arranged in the groove of the C-shaped bracket opposite to the limit trigger lever, and the wedge-shaped limit The position rod can limit the position of the limit trigger rod, and the total power supply of the electrical control cabinet can be cut off when the power-off button is closed. This design can not only prevent the cabinet door from closing through the cooperation of the limit trigger lever and the power-off self-locking device, but also trigger the power-off button to cut off the total power supply of the electrical control cabinet through the limit trigger lever.

Description

A safe electrical control cabinet

technical field

The invention relates to an electric control cabinet, in particular to an electric control cabinet with safe use, which is particularly suitable for the electric control cabinet which can limit and fix the cabinet door and automatically cut off the power after the cabinet door is opened.

Background technique

The electrical control cabinet is a device that assembles switchgear, measuring instruments, protective appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the requirements of electrical wiring. It has a wide range of applications in the field of electrical connection.

After the electrical control cabinet is used for a long time, the internal electrical components may need to be repaired due to aging or damage. In order to ensure safety, the electrical control cabinet must first be powered off during the inspection and maintenance process. At present , usually by means of a manual or automatic switch to turn on or off the circuit during maintenance.

Although this method can simply and conveniently power off the electrical control cabinet during inspection and maintenance, it still has the following defects:

1. In actual work, due to the negligence of the staff or the lack of vigilance of some new employees, they forget to turn off the switch before repairing the electrical control cabinet, resulting in injuries due to leakage of electrical components during maintenance.

2. According to the electrician safety operation regulations, two electricians must work at the same time, one person works and one person supervises. However, the actual work often cannot meet the requirements. operation, resulting in safety hazards.

3. The doors of the existing electrical control cabinets are generally of the flip type. During the maintenance process of the cabinet, the cabinet door may be closed due to other employees not touching it, thus affecting the electrical components in the cabinet being repaired. The staff caused pinch injuries.

4. The electrical control cabinet will be equipped with ventilation windows that can form air convection in order to meet the heat dissipation requirements. In order to prevent dust in the air from entering the electrical control cabinet and being affected by static electricity and adsorbed on various electrical components, dust-proof panels will be installed in the ventilation windows. The existing dust-proof board is generally a dust-proof filter screen with an outer frame, which is fixed on the ventilation window by bolts. It takes a long time to disassemble and assemble during maintenance, which affects the maintenance efficiency.

Contents of the invention

The purpose of the present invention is to overcome the shortcoming that the staff in the prior art are prone to electric shock or pinching during maintenance, and to provide an electrical control cabinet that can limit and fix the cabinet door and automatically cut off the power after the cabinet door is opened .

For realizing above object, technical solution of the present invention is:

An electrical control cabinet with safe use, the electrical control cabinet includes: a cabinet body and a power-off self-locking device; a cabinet door is provided on the opening side of the cabinet body, a handle is provided on one side of the cabinet door, and the cabinet body The opposite side of the handle on the door is provided with a limit trigger lever, and a power-off self-locking device is fixedly installed on the side wall of the cabinet close to the cabinet door shaft, and the power-off self-locking device is set correspondingly to the limit trigger lever. The power-off self-locking device includes a C-shaped bracket, a wedge-shaped limit rod and a power-off button. The vertical plate of the C-shaped bracket is flush with the outer edge of the side wall of the cabinet door, and the groove of the C-shaped bracket corresponds to The limit trigger lever is set. When the cabinet door is opened to the maximum angle, the limit trigger lever is inserted into the groove. A wedge-shaped limit lever and a power-off button opposite to the limit trigger lever are arranged in the groove. The position rod is slidably matched with the top of the C-shaped bracket in the vertical direction, and one side of the bottom of the wedge-shaped limit rod is provided with a wedge-shaped surface, and the limit trigger rod is in transmission cooperation with the wedge-shaped surface, and the limit trigger rod is connected to the wedge-shaped The limit rod is limited and matched, and the limit trigger rod is in transmission cooperation with the power-off button. When the power-off button is closed, the total power supply of the electrical control cabinet is cut off.

The wedge-shaped limit rod includes a sleeve and a wedge-shaped rod. The sleeve is fixedly arranged on the top of the open end of the C-shaped bracket. The wedge-shaped rod passes through the top of the C-shaped bracket and is inserted into the sleeve. The wedge-shaped rod The top is elastically matched with the sleeve through the first spring, one side of the bottom of the wedge-shaped limit rod is provided with a wedge-shaped surface, and the other side of the bottom of the wedge-shaped limit rod is provided with a limit plane, and the wedge-shaped surface corresponds to the limit The trigger lever is set, and the limit plane is set facing the power-off button.

The electrical control cabinet also includes a limit trigger device, the limit trigger device is fixed on the outside of the cabinet door, the limit trigger device is arranged near the door shaft of the cabinet door, and the limit trigger device includes a limit trigger Rod and sliding sleeve, the sliding sleeve is connected with the cabinet door as a whole after passing through the cabinet door, the trigger rod is slidingly matched with the sliding sleeve in the horizontal direction after passing through the sliding sleeve, and the trigger rod is elastically matched with the cabinet door through a spring .

The limit trigger device includes a limit trigger lever, a sliding sleeve, a T-shaped bar, a slider, a chute plate and a second spring; the sliding sleeve is connected with the cabinet door as a whole after passing through the cabinet door, and the trigger lever After passing through the sliding sleeve, it slides and cooperates with the sliding sleeve in the horizontal direction. The end of the trigger rod is fixedly connected with the bottom of the T-shaped bar vertical bar. The T-shaped bar is arranged near the cabinet body, and the T-shaped bar horizontal bar One end is fixedly connected with the slider, and the slider is arranged in the chute of the chute plate, and the end of the chute plate is fixedly connected with the inner side of the cabinet door, and the end of the chute plate is connected with the second spring through the second spring. The slider fits elastically.

A ventilation window is respectively provided on the side walls of the left and right sides of the cabinet body, and a dust-proof plate is arranged in the two ventilation windows, and the two dust-proof plates are connected to each other through the rotating shaft provided on one side edge of the cabinet body. Cabinet swivel fit.

The rotating shafts on the two dust-proof boards are arranged at the bottom of the dust-proof boards along the horizontal direction, gear grooves are provided in the middle of the bottom of the two dust-proof boards, and gears are arranged in the middle of the rotating shafts on the two dust-proof boards. The gear is arranged in the gear slot.

The electrical control cabinet also includes a panel turning device, the panel turnover device includes an electric telescopic rod, a traction rod and a tooth plate, and the electric telescopic rod passes through the top of the cabinet body in the vertical direction and is fixedly connected with the cabinet body, so The telescopic end of the electric telescopic rod is arranged in the cabinet, and the telescopic end of the electric telescopic rod is fixedly connected with the middle part of the traction rod. The two ends of the traction rod are respectively provided with a tooth plate and two tooth plates along the vertical direction. The gears on the corresponding side are meshed with each other, and the telescopic signal input end of the electric telescopic rod is connected to the power-off button signal.

The dust-proof plate includes a U-shaped frame and a honeycomb dust-proof filter. The U-shaped frame is detachably provided with a honeycomb dust-proof filter. The honeycomb dust-proof filter is formed by the opening of the U-shaped frame. Inserted into the U-shaped frame, the bottom of the U-shaped frame is provided with a rotating shaft along the horizontal direction.

A dust-proof rubber strip is arranged between the dust-proof board and the cabinet body, and the dust-proof rubber strip is fixedly arranged at the inner edge of the ventilation window opened on the cabinet body. Honeycomb dust-proof filter with high-quality outer frame.

The electrical control cabinet also includes a base, the top of the base is fixedly connected with the bottom of the cabinet, and the base is made of insulating material.

Compared with prior art, the beneficial effect of the present invention is:

1. A safe electric control cabinet of the present invention has a handle on one side of the cabinet door, and a limit trigger lever on the other side, and a power-off self-locking device is fixed on the side wall of the cabinet near the cabinet door shaft. The device, the power-off self-locking device is set facing the limit trigger lever, the power-off self-locking device includes a C-shaped bracket, a wedge-shaped limit rod and a power-off button, and the vertical plate of the C-shaped bracket is flush with the outer edge of the side wall of the cabinet door Setting, the opening of the groove of the C-shaped support is provided with a wedge-shaped limit rod that can slide up and down, and the vertical plate of the C-shaped support is provided with a power-off button. When the cabinet door is opened, the limit trigger lever first pushes the wedge-shaped limit rod Push it up and enter the groove of the C-shaped bracket. At this time, one side of the limit trigger lever triggers the power-off button to cut off the total power supply of the electrical control cabinet. At the same time, the other side of the limit trigger lever cooperates with the wedge-shaped limit lever. . Therefore, this design can cooperate with the limit trigger lever and the power-off self-locking device, so that when the cabinet door is opened, the wedge-shaped limit lever can limit the limit trigger lever to prevent the cabinet door from closing, and at the same time the limit trigger lever can trigger The power-off button cuts off the total power supply of the electrical control cabinet, effectively improving the safety of the electrical control cabinet.

2. The limit trigger device in a safe electrical control cabinet of the present invention is fixed on the outside of the cabinet door, the chute plate in the limit trigger device is fixed on the back of the cabinet door, and the chute plate is connected to the slide by the second spring. The block is elastically connected, and a T-shaped bar is fixed on the slider. The bottom of the T-shaped bar is fixedly connected with the end of the limit trigger lever. When the cabinet door is wedged by the wedge-shaped limit lever, the operator can press the limit trigger lever. When the second spring is compressed, the part length of the limit trigger lever outside the cabinet door is shortened. When the limit trigger lever continues to shorten to break away from the wedge-shaped limit lever, the cabinet door can be closed. Therefore, this design can elastically cooperate with the chute plate through the limit trigger rod, so that the cabinet door can be conveniently closed when needed, effectively improving the convenience of use of the electrical control cabinet.

3. A ventilation window is provided on the side walls of the left and right sides of a safe electrical control cabinet of the present invention, and a dustproof plate is arranged inside the two ventilation windows, and the dustproof plate is installed through the bottom of the dustproof window. The rotating shaft is rotatably connected with the cabinet body. A gear is fixed in the middle of the rotating shaft, and the gear meshes with the tooth plate. The tooth plate moves up and down through the electric telescopic rod. When the electric telescopic rod shortens, the ventilation window opens outward. For a long time, the ventilation window is closed inwardly, and the dustproof plate includes a U-shaped frame and a honeycomb dustproof filter screen, and the detachable honeycomb dustproof filter screen is arranged in the U-shaped frame. Therefore, this design can control the switch of the dust-proof plate through the electric telescopic rod. When the dust-proof plate is opened outward, the operator can easily pull out the honeycomb dust-proof filter, which saves the time of disassembling the dust-proof plate and effectively shortens the maintenance time. .

4. A dust-proof rubber strip is provided between the dust-proof board and the cabinet body in a safe electrical control cabinet of the present invention. At the same time, the electrical control cabinet also includes a base, the top of the base is fixedly connected to the bottom of the cabinet body, and the base is made of insulating Made of high-quality materials, dust is not easy to enter the electrical control cabinet during use, and the base improves the insulation performance of the electrical control cabinet. Therefore, this design can prevent dust from entering the electrical control cabinet through the dust-proof rubber strip, and at the same time improve the insulation performance of the electrical control cabinet through the base, effectively prolonging the maintenance cycle of the electrical control cabinet and reducing maintenance costs.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

Fig. 2 is a schematic structural diagram of the power interruption self-locking device in Fig. 1 .

Fig. 3 is a structural schematic diagram of the wedge-shaped rod in Fig. 1 .

Fig. 4 is a schematic structural diagram of the limit trigger device in Fig. 1 .

Fig. 5 is a schematic structural view of the chute plate in Fig. 1 .

Fig. 6 is a schematic structural diagram of the power interruption self-locking device in Fig. 1 in a working state.

Fig. 7 is a schematic structural diagram of the panel turning device in Fig. 1 .

Fig. 8 is a structural schematic diagram of the dustproof plate in Fig. 7 .

In the figure: cabinet body 1, cabinet door 11, power-off self-locking device 2, C-shaped bracket 21, wedge-shaped limit rod 22, power-off button 23, groove 24, bushing 25, wedge-shaped rod 26, limit trigger device 3. Limit trigger lever 31, sliding sleeve 32, T-shaped bar 33, slider 34, chute plate 35, second spring 36, dustproof plate 4, U-shaped frame 41, honeycomb dustproof filter 42, gear 43, rotating shaft 44, dust-proof rubber strip 45, flap device 5, electric telescopic rod 51, draw bar 52, tooth plate 53, base 6.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

Referring to Figures 1 to 8, the electrical control cabinet includes: a cabinet body 1 and a power-off self-locking device 2; a cabinet door 11 is provided on the opening side of the cabinet body 1, and a handle is provided on one side of the cabinet door 11, The opposite side of the handle on the cabinet door 11 is provided with a limit trigger lever 31, and a power-off self-locking device 2 is fixedly arranged on the side wall of the cabinet body 1 near the door shaft of the cabinet door 11, and the power-off self-locking device 2 Corresponding to the limit trigger lever 31, the power-off self-locking device 2 includes a C-shaped bracket 21, a wedge-shaped limit lever 22 and a power-off button 23. The vertical plate of the C-shaped bracket 21 is connected to the side wall of the cabinet door 11 The outer edge of the C-shaped bracket 21 is flush with the outer edge, and the groove 24 of the C-shaped bracket 21 is set corresponding to the limit trigger lever 31. When the cabinet door 11 is opened to the maximum angle, the limit trigger lever 31 is inserted into the groove 24, and the groove 24 A wedge-shaped limit lever 22 and a power-off button 23 opposite to the limit trigger lever 31 are arranged inside, and the wedge-shaped limit lever 22 is slidably matched with the top of the C-shaped bracket 21 along the vertical direction, and the wedge-shaped limit lever 22 One side of the bottom is provided with a wedge-shaped surface, and the limit trigger lever 31 is in transmission cooperation with the wedge-shaped surface. The limit trigger lever 31 is matched with the wedge-shaped limit lever 22. 23 transmission cooperation, when the power-off button 23 is closed, cut off the total power supply of the electric control cabinet.

The wedge-shaped stop bar 22 includes a sleeve 25 and a wedge-shaped rod 26, the sleeve 25 is fixedly arranged on the top of the open end of the C-shaped bracket 21, and the wedge-shaped rod 26 passes through the top of the C-shaped bracket 21 and connects with the sleeve 25 Insert fit, the top of the wedge-shaped rod 26 elastically fits with the sleeve 25 through the first spring, one side of the bottom of the wedge-shaped stop rod 22 is provided with a wedge-shaped surface, and the other side of the bottom of the wedge-shaped stop rod 22 is provided with There is a limit plane, the wedge-shaped surface is set corresponding to the limit trigger lever 31 , and the limit plane is set facing the power-off button 23 .

The electrical control cabinet also includes a limit trigger device 3, the limit trigger device 3 is fixedly arranged on the outside of the cabinet door 11, the limit trigger device 3 is arranged near the door shaft of the cabinet door 11, the limit trigger device The device 3 includes a limit trigger rod 31 and a sliding sleeve 32, the sliding sleeve 32 is connected with the cabinet door 11 after passing through the cabinet door 11, and the trigger rod 31 is connected with the sliding sleeve 32 in a horizontal direction after passing through the sliding sleeve 32 Sliding fit, the trigger rod 31 elastically fits with the cabinet door 11 through a spring.

The limit trigger device 3 comprises a limit trigger lever 31, a sliding sleeve 32, a T-shaped bar 33, a slide block 34, a chute plate 35 and a second spring 36; The door 11 is connected as a whole, the trigger rod 31 slides and fits with the sliding sleeve 32 in the horizontal direction after passing through the sliding sleeve 32, the end of the trigger rod 31 is fixedly connected with the bottom of the T-shaped bar 33 vertical rod, and the T Shaped bar 33 is arranged near cabinet body 1, and one end of described T-shaped bar 33 crossbars is fixedly connected with slide block 34, and described slide block 34 is arranged in the chute of chute plate 35, and the end of described chute plate 35 part is fixedly connected with the inner side of the cabinet door 11, and the end of the chute plate 35 elastically cooperates with the slider 34 through the second spring 36.

The sidewalls on the left and right sides of the cabinet body 1 are respectively provided with a ventilation window, and a dustproof plate 4 is arranged in the two ventilation windows, and the two dustproof panels 4 are arranged through the side edges of the two ventilation windows. The rotating shaft 44 is rotatably matched with the cabinet body 1 .

The rotating shafts 44 on the two dust-proof boards 4 are all arranged on the bottom of the dust-proof boards 4 along the horizontal direction, and the middle positions of the bottoms of the two dust-proof boards 4 are provided with gear grooves. The middle part is provided with gear 43, and described gear 43 is arranged in the gear slot.

The electrical control cabinet also includes a panel turning device 5, the panel turnover device 5 includes an electric telescopic rod 51, a draw rod 52 and a tooth plate 53, and the electric telescopic rod 51 passes through the top of the cabinet body 1 in the vertical direction. It is fixedly connected with the cabinet body 1, the telescopic end of the electric telescopic rod 51 is arranged in the cabinet body 1, the telescopic end of the electric telescopic rod 51 is fixedly connected with the middle part of the draw bar 52, and the two ends of the draw bar 52 are respectively A toothed plate 53 is provided along the vertical direction, and two toothed plates 53 mesh with the corresponding gears 43 respectively.

The dust-proof plate 4 includes a U-shaped frame 41 and a honeycomb dust-proof filter screen 42, which is detachably provided with a honeycomb dust-proof filter screen 42 in the U-shaped frame 41, and the honeycomb dust-proof filter screen 42 is composed of The opening of the U-shaped frame 41 is inserted into the U-shaped frame 41 , and the bottom of the U-shaped frame 41 is provided with a rotating shaft 44 along the horizontal direction.

A dust-proof rubber strip 45 is arranged between the dust-proof board 4 and the cabinet body 1, and the dust-proof rubber strip 45 is fixedly arranged at the inner edge of the ventilation window provided on the cabinet body 1, and the honeycomb dust-proof filter The net 42 is a honeycomb dustproof filter screen with a hard outer frame.

The electrical control cabinet also includes a base 6, the top of which is fixedly connected to the bottom of the cabinet body 1, and the base 6 is made of insulating material.

Principle of the present invention is described as follows:

When the present invention is overhauled, after the operator opens the cabinet door 11, the limit trigger lever 31 on the cabinet door 11 is first in contact with the wedge-shaped surface of the wedge-shaped limit lever 22, and the cabinet door 11 is further rotated to make the limit trigger lever 31 Push up the wedge-shaped limit lever 22, and the limit trigger lever 31 enters the inside of the C-shaped bracket 21. At this time, one side of the limit trigger lever 31 triggers the power-off button 23, so that the main power supply of the electrical control cabinet is powered off, and the limit trigger lever The other side of 31 is limited by the plane of wedge-shaped limit rod 22, so that cabinet door 11 cannot be closed;

When the cabinet door 11 needs to be closed, the operator presses the limit trigger lever 31, and now the limit trigger lever 31 drives the T-shaped bar 33 and the slider 34 to move towards the inside of the cabinet door, so that the second spring 36 is compressed, and the limit trigger lever 31 breaks away from the wedge-shaped stop rod 22 after continuing to shorten, and now the wedge-shaped stop rod 22 cannot limit the position-limiting trigger rod 31, and the cabinet door 11 can be closed.

Example 1:

An electrical control cabinet with safe use, the electrical control cabinet includes: a cabinet body 1 and a power-off self-locking device 2; a cabinet door 11 is provided on the opening side of the cabinet body 1, and a cabinet door 11 is provided on one side The handle, the opposite side of the handle on the cabinet door 11 is provided with a limit trigger lever 31, and a power-off self-locking device 2 is fixedly arranged on the side wall of the cabinet body 1 near the door shaft of the cabinet door 11. The lock device 2 is arranged correspondingly to the limit trigger lever 31. The power-off self-locking device 2 includes a C-shaped bracket 21, a wedge-shaped limit lever 22 and a power-off button 23. The vertical plate of the C-shaped bracket 21 is connected to the cabinet door 11 The outer edge of the side wall is set flush, and the groove 24 of the C-shaped bracket 21 is set corresponding to the limit trigger lever 31. When the cabinet door 11 is opened to the maximum angle, the limit trigger lever 31 is inserted into the groove 24. A wedge-shaped limit lever 22 and a power-off button 23 opposite to the limit trigger lever 31 are arranged in the groove 24. The wedge-shaped limit lever 22 slides and fits with the top of the C-shaped bracket 21 along the vertical direction. One side of the bottom of the rod 22 is provided with a wedge-shaped surface, and the limit trigger lever 31 is in transmission cooperation with the wedge-shaped surface. The electric button 23 is driven and matched, and when the power-off button 23 is closed, the total power supply of the electrical control cabinet is cut off; the wedge-shaped limit rod 22 includes a sleeve 25 and a wedge-shaped rod 26, and the sleeve 25 is fixed on the C-shaped bracket 21 The top of the open end, the wedge-shaped rod 26 is inserted and fitted with the sleeve 25 after passing through the top of the C-shaped bracket 21, the top of the wedge-shaped rod 26 is elastically fitted with the sleeve 25 through the first spring, and the wedge-shaped limit rod 22 One side of the bottom is provided with a wedge-shaped surface, and the other side of the bottom of the wedge-shaped limit rod 22 is provided with a limit plane. Setting; the electrical control cabinet also includes a limit trigger device 3, the limit trigger device 3 is fixedly arranged on the outside of the cabinet door 11, the limit trigger device 3 is arranged near the door shaft of the cabinet door 11, and the limit trigger device 3 The position trigger device 3 includes a limit trigger rod 31 and a sliding sleeve 32, the sliding sleeve 32 is connected with the cabinet door 11 after passing through the cabinet door 11, and the trigger rod 31 is connected with the sliding sleeve 32 after passing through the sliding sleeve 32. Sliding fit in the horizontal direction, the trigger lever 31 is elastically matched with the cabinet door 11 through a spring; the limit trigger device 3 includes a limit trigger lever 31, a sliding sleeve 32, a T-shaped bar 33, a slider 34, and a chute plate 35 and the second spring 36; after the sliding sleeve 32 passes through the cabinet door 11, it is connected with the cabinet door 11 as a whole; The end of 31 is fixedly connected with the bottom of T-shaped bar 33 vertical bars, and described T-shaped bar 33 is arranged near cabinet body 1, and one end of described T-shaped bar 33 horizontal bars is fixedly connected with slide block 34, and described slide block 34 Set in the chute of the chute plate 35, the end of the chute plate 35 is fixedly connected to the inner side of the cabinet door 11, and the end of the chute plate 35 bounces with the slider 34 through the second spring 36. There is a ventilation window on the side walls of the left and right sides of the cabinet body 1, and a dustproof board 4 is arranged in the two ventilation windows, and the two dustproof boards 4 pass through one side The rotating shaft 44 arranged on the edge is rotatably matched with the cabinet body 1; the rotating shafts 44 on the two dust-proof plates 4 are arranged at the bottom of the dust-proof board 4 along the horizontal direction, and a gear is provided at the middle position of the bottom of the two dust-proof plates 4 Groove, the middle part of the rotating shaft 44 on the two dust-proof plates 4 is provided with a gear 43, and the gear 43 is arranged in the gear groove.

Example 2:

Embodiment 2 is basically the same as Embodiment 1, and its difference is:

The electrical control cabinet also includes a panel turning device 5, the panel turnover device 5 includes an electric telescopic rod 51, a draw rod 52 and a tooth plate 53, and the electric telescopic rod 51 passes through the top of the cabinet body 1 in the vertical direction. It is fixedly connected with the cabinet body 1, the telescopic end of the electric telescopic rod 51 is arranged in the cabinet body 1, the telescopic end of the electric telescopic rod 51 is fixedly connected with the middle part of the draw bar 52, and the two ends of the draw bar 52 are respectively A tooth plate 53 is arranged in the vertical direction, and two tooth plates 53 mesh with the gear 43 on the corresponding side respectively. Comprising a U-shaped frame 41 and a honeycomb dust-proof filter screen 42, the U-shaped frame 41 is detachably provided with a honeycomb dust-proof filter screen 42, and the honeycomb dust-proof filter screen 42 is formed by the opening of the U-shaped frame 41 inserted into the U-shaped frame 41, the bottom of the U-shaped frame 41 is provided with a rotating shaft 44 along the horizontal direction; a dust-proof rubber strip 45 is provided between the dust-proof board 4 and the cabinet body 1, and the dust-proof glue The strip 45 is fixedly arranged at the inner edge of the ventilation window provided on the cabinet body 1, and the honeycomb dustproof filter 42 is a honeycomb dustproof filter with a hard outer frame.

Example 3:

Embodiment 3 is basically the same as Embodiment 2, and its difference is:

The electrical control cabinet also includes a base 6, the top of which is fixedly connected to the bottom of the cabinet body 1, and the base 6 is made of insulating material.

Claims (10)

1. The utility model provides a safe in utilization's electrical control cabinet which characterized in that:

the electrical control cabinet comprises: the power-off self-locking device comprises a cabinet body (1) and a power-off self-locking device (2); the utility model discloses a cabinet, including the cabinet body (1) opening side be provided with cabinet door (11), one side of cabinet door (11) is provided with the handle, the opposite side of handle is provided with spacing trigger bar (31) on cabinet door (11), fixed outage self-lock device (2) of being provided with on the lateral wall of nearly cabinet door (11) door-hinge on the cabinet body (1), outage self-lock device (2) correspond the setting with spacing trigger bar (31), outage self-lock device (2) include C font support (21), wedge gag lever post (22) and outage button (23), the riser of C font support (21) and the outward flange parallel and level setting of cabinet door (11) lateral wall, recess (24) of C font support (21) correspond spacing trigger bar (31) setting, spacing trigger bar (31) and outage button (23) when cabinet door (11) are opened to the maximum angle insert the cooperation with recess (24), be provided with the relative wedge gag lever post (22) and the outage button (23) of spacing trigger bar (31) in recess (24), the top sliding fit of wedge gag lever post (21) is along vertical direction and C font support, wedge face sliding fit is provided with wedge gag lever post (31), wedge face (31) and wedge trigger bar (31) one side trigger bar (31), spacing trigger bar (31) and outage button (23) transmission fit, cut off electrical control cabinet's total power when outage button (23) are closed.

2. A safety electrical control cabinet as claimed in claim 1, wherein:

wedge gag lever post (22) includes sleeve pipe (25) and wedge pole (26), sleeve pipe (25) are fixed to be set up in the top of C font support (21) open end, wedge pole (26) pass behind the top of C font support (21) insert the cooperation with sleeve pipe (25), the top of wedge pole (26) is through first spring and sleeve pipe (25) elastic fit, one side of wedge gag lever post (22) bottom is provided with the wedge face, the opposite side of wedge gag lever post (22) bottom is provided with spacing plane, the wedge face corresponds spacing trigger lever (31) and sets up, spacing plane is just setting up outage button (23).

3. A safety electrical control cabinet as claimed in claim 1, wherein:

electric control cabinet still includes spacing trigger device (3), spacing trigger device (3) are fixed to be set up in the outside of cabinet door (11), the door-hinge setting of nearly cabinet door (11) of spacing trigger device (3), spacing trigger device (3) are including spacing trigger bar (31) and sliding sleeve (32), sliding sleeve (32) pass cabinet door (11) back and are connected as an organic wholely with cabinet door (11), trigger bar (31) pass behind sliding sleeve (32) along horizontal direction sliding fit with sliding sleeve (32), trigger bar (31) pass through spring and cabinet door (11) elastic fit.

4. A safety electrical control cabinet as claimed in claim 3, wherein:

the limiting trigger device (3) comprises a limiting trigger rod (31), a sliding sleeve (32), a T-shaped rod (33), a sliding block (34), a sliding groove plate (35) and a second spring (36); sliding sleeve (32) are passed and are connected as an organic whole with cabinet door (11) after cabinet door (11), trigger bar (31) pass behind sliding sleeve (32) along horizontal direction sliding fit with sliding sleeve (32), the bottom fixed connection of the tip and the T shape pole (33) montant of trigger bar (31), the nearly cabinet body (1) setting of T shape pole (33), the one end and slider (34) fixed connection of T shape pole (33) horizontal pole, slider (34) set up in the spout of spout board (35), the inboard fixed connection of the tip and cabinet door (11) of spout board (35), the tip of spout board (35) passes through second spring (36) and slider (34) elastic fit.

5. A safety electrical control cabinet as claimed in any one of claims 1 to 4, wherein:

a ventilation window has respectively been seted up on the lateral wall of the left and right both sides of the cabinet body (1), all is provided with a dust guard (4) in two ventilation windows, and two dust guards (4) all are through rotation axis (44) and the cabinet body (1) normal running fit that its one side edge set up.

6. An electrical control cabinet according to claim 5, wherein:

rotation axis (44) on two dust guards (4) all set up in the bottom of dust guard (4) along the horizontal direction, and the gear groove has been seted up to the intermediate position of two dust guards (4) bottoms, and the middle part of rotating axis (44) all is provided with gear (43) on two dust guards (4), gear (43) set up in the gear groove.

7. An electrical control cabinet according to claim 6, wherein:

electric control cabinet still includes plate turnover (5), plate turnover (5) include electric telescopic handle (51), traction lever (52) and pinion rack (53), electric telescopic handle (51) pass behind the top of the cabinet body (1) along vertical direction with the cabinet body (1) fixed connection, the flexible end of electric telescopic handle (51) sets up in the cabinet body (1), the flexible end of electric telescopic handle (51) and the middle part fixed connection of traction lever (52), the both ends of traction lever (52) are provided with a pinion rack (53) along vertical direction respectively, and two pinion racks (53) mesh rather than gear (43) that correspond the side respectively, the flexible signal input part and the outage button (23) signal connection of electric telescopic handle (51).

8. An electrical control cabinet according to claim 7, wherein:

dust guard (4) are including U type frame (41) and honeycomb dustproof filter screen (42), detachable is provided with honeycomb dustproof filter screen (42) in U type frame (41), honeycomb dustproof filter screen (42) are inserted in U type frame (41) by the opening part of U type frame (41), the bottom of U type frame (41) is provided with rotation axis (44) along the horizontal direction.

9. A safety electrical control cabinet as claimed in claim 8, wherein:

be provided with dustproof adhesive tape (45) between dust guard (4) and the cabinet body (1), dustproof adhesive tape (45) are fixed to be set up in the interior border department of the ventilation window of seting up on the cabinet body (1), honeycomb dustproof filter screen (42) are the honeycomb dustproof filter screen that has the outer frame of stereoplasm.

10. A safety electrical control cabinet as claimed in claim 1, wherein:

the electrical control cabinet further comprises a base (6), the top of the base (6) is fixedly connected with the bottom of the cabinet body (1), and the base (6) is made of an insulating material.

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