CN112490867B - Self-locking power distribution cabinet - Google Patents

Abstract

The invention belongs to the technical field of power distribution cabinets, and specifically relates to a self-locking power distribution cabinet, which includes a cabinet body. The cabinet body is provided with an openable and closable cabinet door. One side of the cabinet door is provided with a fixedly connected door. The handle, the cabinet door on one side of the door handle is provided with a fixed plate that is fixedly connected; the cabinet body is provided with a self-locking mechanism for closing the cabinet door. The unlocking ring is pulled to move outward. Through the transmission rope and the lock The transmission of the rope drives the transmission plate to rotate synchronously, thereby driving the connecting shaft to rotate, causing the lock plate to rotate outward, causing the fixed plate on the cabinet door to lose the squeeze fixation of the lock plate, and the cabinet door is unlocked. Due to the existence of the torsion spring, the lock plate is loosened. When the lock ring is opened, the lock plate will automatically return to its original state. When the cabinet door is closed, the lock plate can squeeze and fix the fixed plate, completing the fixing of the cabinet door, which is convenient and fast.

Description

A self-locking power distribution cabinet

Technical field

The invention belongs to the technical field of distribution cabinets, and specifically relates to a self-locking distribution cabinet.

Background technique

The distribution cabinet (box) is divided into power distribution cabinet (box), lighting distribution cabinet (box), and metering cabinet (box). It is the final equipment of the power distribution system. Power distribution cabinet is the collective name for motor control center. The power distribution cabinet is used in situations where the load is relatively dispersed and there are few circuits; the motor control center is used in situations where the load is concentrated and there are many circuits. They distribute the power from a certain circuit of the upper-level power distribution equipment to the nearby load.

When the existing power distribution cabinet is in use, the cabinet door cannot effectively self-lock, which is very troublesome.

Contents of the invention

In view of the problems in the prior art, the purpose of the present invention is to provide a self-locking power distribution cabinet.

In order to achieve the above object, the present invention adopts the following technical solutions to achieve it:

A self-locking power distribution cabinet includes a cabinet body. The cabinet body is provided with an openable and closable cabinet door. One side of the cabinet door is provided with a fixedly connected door handle. The cabinet located on one side of the door handle The door is provided with a fixed plate that is fixedly connected;

One side of the cabinet is provided with a self-locking mechanism for closing the cabinet door. The self-locking mechanism includes a lock plate, a lock rope, an unlocking ring and a transmission rope. The unlocking ring is located in the door handle. One side of the cabinet There are positioning blocks distributed symmetrically up and down and fixedly connected. The extension end of the positioning block is provided with a second adjustment groove. The second adjustment groove is provided with a movably connected connecting shaft. One end of the connecting shaft is provided with a fixed connection. The lock plate is used for extrusion and fixation of the fixed plate, and the other end of the connecting shaft is provided with a fixedly connected transmission plate. There is a torque connected between the connecting shaft and the second adjustment groove for automatic extrusion of the lock plate. Spring (not shown in the figure), the cabinet body located on one side of the extension end of the transmission plate is provided with a first adjustment groove, and the cabinet body located at the connection point of the cabinet door is provided with a connection connected to the first adjustment groove hole, a locking rope is provided in the connecting hole, and both ends of the locking rope pass through the corresponding first adjustment groove and are connected to the transmission plate. The cabinet body located in the middle of the connecting hole is provided with a guide connecting the connecting hole. A flow trough is provided with a transmission rope in the flow trough. One end of the transmission rope is connected and fixed to the middle part of the locking rope. The other end of the transmission rope moves through the inside of the cabinet door and is connected to the unlocking ring.

Preferably, the second adjustment groove located on one side of the transmission plate is provided with symmetrically distributed positioning grooves, and the transmission plate located on one side of the positioning groove is provided with a through-type adjustment hole, and there is a through-type adjustment hole in the adjustment hole. There are locking rods that are symmetrically distributed and engaged and fixed with the positioning grooves. There are fixed connection lines between the locking rods. The locking rods are slidingly connected in the adjustment holes. There is an annular ring in the adjustment hole located outside the locking rods. The connecting groove, the lock rod located in the connecting groove is provided with a fixedly connected positioning ring, the connecting groove located on one side of the positioning ring is provided with a first return spring, and the first return spring is slidably sleeved on the lock On the rod, the transmission plate located at one end of the locking rope is provided with a first transmission groove, and the middle part of the adjustment hole is provided with a second transmission groove connected with the first transmission groove, and the extended end of the locking rope moves through The first transmission groove and the second transmission groove are connected and fixed with the middle part of the connecting line.

Preferably, the cabinet located outside the transmission plate is provided with a sealing cover that is fixedly connected and used for sealing the transmission plate and the locking rope.

The design of the sealing cover effectively seals the transmission plate and locking rope, which can not only effectively prevent corrosion and aging of parts, but also further ensure the safety and stability of the device.

Preferably, the bottom of the lock plate is provided with a fixed connection pressure plate.

Preferably, a storage tank is provided in the inner wall of the cabinet, and desiccant is stored in the storage tank. The cabinet is provided with a plurality of strip-shaped drying holes evenly distributed and connected to the storage tank.

The design of the storage tank and desiccant uses the desiccant to effectively absorb moisture in the cabinet, thereby achieving moisture-proofing in the cabinet.

Further, the cabinets located on one side of the drying holes are provided with collection troughs, and slidingly connected sealing plates are provided in the collection troughs. Connecting rods are provided between adjacent sealing plates and are located at the storage area. The collection tank at one end of the tank is provided with a plurality of second return springs that are fixedly connected. The extension end of the second return spring is connected and fixed with the corresponding sealing plate. The drying hole at the other end of the storage tank is provided with a plurality of second return springs. There are connected communication holes, the extension end of the communication hole is located at the connection between the cabinet door and the cabinet body, and a guide rope is provided in the communication hole. One end of the guide rope passes through the communication hole and is connected and fixed with the corresponding sealing plate, and The other end of the guide rope is connected and fixed with the corresponding cabinet door.

The connection design of the sealing plate, guide rope and cabinet door enables the rotation of the cabinet door to pull the guide rope when the cabinet door is opened and rotated, so that the guide rope drives the sealing plate to seal the drying hole, effectively preventing When the cabinet door is opened, the existence of the drying hole causes external impurities to fall into the collection tank through the drying hole. Moreover, when the cabinet door is opened, when the staff performs maintenance or other operations on the cabinet, the existence of the drying hole will affect the performance of the cabinet. Relevant operations of the staff, and after the cabinet door is opened, the continuous entry of external airflow will cause the desiccant in the drying hole to undergo unnecessary adsorption and drying, resulting in the loss of the desiccant. The automatic closing mode can reduce the desiccant. After the cabinet door is closed, due to the design of the second return spring, the sealing plate automatically shrinks and the drying hole automatically opens, which can keep the environment inside the cabinet dry.

Furthermore, the desiccant is a clay desiccant. The viscous desiccant does not deliquesce after absorbing moisture, does not change its shape, does not generate heat when in contact with water, and has no corrosive effect on metals.

Compared with the existing technology, the present invention has the following technical effects:

Pull the unlocking ring to move outward, and through the transmission of the transmission rope and the lock rope, the transmission plate is driven to rotate synchronously, thereby driving the connecting shaft to rotate, causing the lock plate to rotate outward, causing the fixed plate on the cabinet door to lose the extrusion and fixation of the lock plate. When the cabinet door is unlocked, due to the existence of the torsion spring, when the unlocking ring is released, the lock plate will automatically return to its original state. When the cabinet door is closed, the lock plate can squeeze and fix the fixed plate, completing the fixing of the cabinet door, which is convenient and fast .

Description of drawings

Figure 1 is a schematic structural diagram of the front view of the cabinet door provided in Embodiment 1 of the present invention after opening;

Figure 2 is a schematic diagram of the connection structure between the transmission plate and the locking rope provided in Embodiment 1 of the present invention;

Figure 3 is a schematic diagram of the connection structure between the transmission plate and the lock plate provided in Embodiment 1 of the present invention;

Figure 4 is a schematic top view of the structure between the transmission plate and the positioning block provided in Embodiment 1 of the present invention;

Figure 5 is an enlarged schematic diagram of position A in Figure 4 provided by Embodiment 1 of the present invention;

Figure 6 is a schematic front structural view provided by Embodiment 2 of the present invention;

Figure 7 is a schematic side view of the structure provided by Embodiment 3 of the present invention;

Figure 8 is a schematic diagram of the internal structure of the front view provided by Embodiment 3 of the present invention;

Figure 9 is an enlarged schematic diagram of position A in Figure 8 provided by Embodiment 3 of the present invention;

Figure 10 is an enlarged schematic diagram of B in Figure 8 provided by Embodiment 3 of the present invention;

Detailed ways

In order to make it easy to understand the technical means, creative features, objectives and effects of the present invention, the present invention will be further clarified below with reference to the specific drawings.

It should be noted that, in the present invention, when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is said to be "connected" to another element, it can be directly connected to the other element or there may also be intervening elements present. The terms "vertical," "horizontal," "left," "right" and similar expressions used herein are for illustrative purposes only and do not represent the only embodiments.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which the invention belongs. The terminology used herein in the description of the invention is for the purpose of describing specific embodiments only and is not intended to limit the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1

Please refer to Figure 1-5. A self-locking power distribution cabinet includes a cabinet 1. The cabinet 1 is provided with an openable and closable cabinet door 13. One side of the cabinet door 13 is provided with a fixedly connected door. Handle 15, the cabinet door 13 located on one side of the door handle 15 is provided with a fixed plate 14 that is fixedly connected;

One side of the cabinet 1 is provided with a self-locking mechanism for closing the cabinet door 13. The self-locking mechanism includes a locking plate 21, a locking rope 28, an unlocking ring 25 and a transmission rope 24. The unlocking ring 25 is located on the door handle 15 Inside, one side of the cabinet 1 is provided with positioning blocks 29 that are symmetrically distributed up and down and are fixedly connected. The extension end of the positioning block 29 is provided with a second adjustment groove 292, and the second adjustment groove 292 is provided with a movable connection. The connecting shaft 291 has a locking plate 21 that is fixedly connected to the fixed plate 14 at one end, and a transmission plate 27 that is fixedly connected to the other end of the connecting shaft 291. The connecting shaft 291 and A torsion spring (not shown in the figure) is provided between the second adjustment grooves 292 and is used for automatic extrusion of the lock plate 21. The cabinet 1 located on one side of the extension end of the transmission plate 27 is provided with a third torsion spring. An adjustment slot 20 is provided in the cabinet 1 at the connection point of the cabinet door 13 with a connection hole 26 connected to the first adjustment slot 20. A locking rope 28 is provided in the connection hole 26. The locking rope 28 Both ends pass through the corresponding first adjustment slots 20 to connect to the transmission plate 27. The cabinet 1 located in the middle of the connecting hole 26 is provided with a flow guide groove 23 connected with the connection hole 26. Inside the guide slot 23 A transmission rope 24 is provided. One end of the transmission rope 24 is connected and fixed with the middle part of the locking rope 28. The other end of the transmission rope 24 moves through the interior of the cabinet door 1 and is connected to the unlocking ring 25;

Pull the unlocking ring 25 to move outward, and through the transmission of the transmission rope 24 and the lock rope 28, the transmission plate 27 is driven to rotate synchronously, thereby driving the connecting shaft 291 to rotate, causing the lock plate 21 to rotate outward, and the fixed plate 14 on the cabinet door 13 When the lock plate 21 is extruded and fixed, the cabinet door 13 is unlocked. Due to the existence of the torsion spring, when the unlocking ring 25 is released, the lock plate 21 will automatically return to its original state. When the cabinet door 13 is closed, the lock plate 21 can move the fixed plate 14 is extruded and fixed to complete the fixing of the cabinet door 13, which is convenient and quick;

Preferably, a fixed connection pressure plate 22 is provided at the bottom of the lock plate 21 .

Preferably, a plurality of connected fourth loose-leaf hinges 12 are provided between the cabinet door 13 and the cabinet body 1 .

Preferably, the second adjustment groove 292 on one side of the transmission plate 27 is provided with symmetrically distributed positioning grooves 293, and the transmission plate 27 on one side of the positioning groove 293 is provided with through-type adjustment holes 279, so The adjustment hole 279 is provided with locking rods 277 that are symmetrically distributed and engaged and fixed with the positioning groove 293. There are fixed connection lines 274 between the locking rods 277. The locking rods 277 are slidingly connected in the adjustment hole 279. The adjustment hole 279 located outside the locking rod 277 is provided with an annular connecting groove 275. The locking rod 277 located in the connecting groove 275 is provided with a fixedly connected positioning ring 276. The positioning ring 276 is located on one side of the positioning ring 276. A first return spring 278 is provided in the connecting groove 275. The first return spring 278 is slidably sleeved on the locking rod 277. A first transmission groove 271 is provided in the transmission plate 27 located at one end of the locking rope 28. The middle part of the adjustment hole 279 is provided with a second transmission groove 272 connected with the first transmission groove 271 . The extended end of the locking rope 28 movablely passes through the first transmission groove 271 and the second transmission groove 272 and is fixedly connected to the middle part of the connecting line.

The connection design of the locking rod 277, the connecting wire 274 and the locking rope 28 utilizes the engagement and fixation of the locking rod 277 and the positioning groove 293 to lock the connecting shaft 291, that is, the locking plate 21 cannot rotate under the condition of external force, ensuring that the locking To ensure the stability of the cabinet door 13 fixed by the plate 21, before using the locking rope 28 to pull the transmission plate 27 to move, the locking rope 28 pulls the locking rod 277 to shrink, so that the locking rod 277 is separated from the positioning groove 293, and the connecting shaft 291 is unlocked. Then continue to pull the lock rope 28, which can drive the transmission plate 27 to rotate, causing the lock plate 21 to rotate and unlock the cabinet door 13; when the cabinet door 13 is closed, directly release the unlocking ring 25, and the lock plate 21 will be released due to the force of the torsion spring. Elasticity, the cabinet door 13 is automatically initially squeezed. When the lock plate 21 completes the squeeze, the lock rod 277 is driven to automatically pop up due to the elasticity of the first return spring 278, and is engaged and fixed with the positioning groove 293. Complete This ensures the locking of the connecting shaft 291 and ensures the stability of the lock plate 21 after extrusion.

Preferably, the cabinet 1 located outside the transmission plate 27 is provided with a sealing cover 2 that is fixedly connected and used for sealing the transmission plate 27 and the locking rope 28 .

The design of the sealing cover 2 effectively seals the transmission plate 27 and the locking rope 28, which can not only effectively prevent corrosion and aging of the parts, but also further ensure the safety and stability of the device.

Example 2

The similarities with Embodiment 1 will not be repeated. The differences from Embodiment 1 are:

Please refer to Figure 6. There is a storage tank 3 in the inner wall of the cabinet 1. Desiccant 31 is stored in the storage tank 3. The cabinet 1 is provided with a plurality of long strips evenly distributed and connected with the storage tank 3. Connected drying holes 32.

The design of the storage tank 3 and the desiccant 31 uses the desiccant to effectively adsorb moisture in the cabinet 1, thereby achieving moisture-proofing in the cabinet 1.

Further, a collection tank 34 is provided in the cabinet 1 on one side of the drying hole 32. A slidingly connected sealing plate 35 is provided in the collection tank 34, and adjacent sealing plates 35 are provided with adjacent sealing plates 35. The connected connecting rod 33 is provided with a plurality of fixedly connected second return springs 36 in the collection tank 34 at one end of the storage tank 3. The extended ends of the second return springs 36 are connected and fixed with the corresponding sealing plate 35, located at A connected communication hole 39 is provided on one side of the drying hole 32 at the other end of the storage tank 3. The extension end of the communication hole 39 is located at the connection between the cabinet door 13 and the cabinet body 1, and a guide rope is provided in the communication hole 39. 37. One end of the guide rope 37 passes through the communication hole 39 and is connected and fixed with the corresponding sealing plate 35, and the other end of the guide rope 37 is connected and fixed with the corresponding cabinet door 13.

The connection design of the sealing plate 35, the guide rope 37 and the cabinet door 13 enables the rotation of the cabinet door 13 to pull the guide rope 37 to move when the cabinet door 13 is opened and rotated, so that the guide rope 37 drives the sealing plate 35 to dry the The hole 32 is sealed, which effectively prevents the existence of the drying hole 32 when the cabinet door 13 is opened, causing external impurities to fall into the collection tank 34 through the drying hole 32, and when the cabinet door 13 is opened, it is the staff who When maintenance or other operations are carried out in 1, the existence of the drying hole 32 will affect the relevant operations of the staff. At the same time, after the cabinet door 13 is opened, the outside airflow will continue to enter, which will cause the desiccant 31 in the drying hole 32 to be carried out unnecessarily. The adsorption and drying causes the loss of desiccant. The automatic closing mode can reduce the loss of desiccant 31; after the cabinet door 13 is closed, due to the design of the second return spring 36, the sealing plate 35 automatically shrinks, and the drying hole 32 Automatic opening can keep the environment inside the cabinet 1 dry.

Furthermore, the desiccant 31 is a clay desiccant. The viscous desiccant 31 does not deliquesce after absorbing moisture, does not change its shape, does not generate heat when in contact with water, and has no corrosive effect on metals.

Example 3

The similarities with Embodiment 2 will not be repeated. The differences from Embodiment 2 are:

Please refer to Figures 7-10. The cabinet 1 includes a base 4. The base 4 is square. A first cabinet plate 45 is fixedly connected to one side of the base 4, and there is a first cabinet plate 45 above the base 4 that matches the base 4. Cover plate 42, one side of the cover plate 42 is rotatably connected to the upper end of the first cabinet plate 45 through a first hinge 43, and there are two sides of the first cabinet plate 45 between the cover plate 42 and the base 4. The second cabinet plate 41 is rotatably connected. The upper end of the second cabinet plate 41 is provided with a plurality of first positioning holes 413. The bottom ends of the cover plate 42 are provided with a plurality of fixed connections and are connected with the first positioning holes 413. The first positioning rods 421 are engaged, and the outside of one of the second cabinet panels 41 is rotationally connected to the cabinet door 13 .

Preferably, the second cabinet board 41 located at the bottom of the first positioning hole 413 is provided with an adjustment hole 412 connected with the first positioning hole 413. The bottom of the second cabinet board 41 is provided with a plurality of adjustment holes. 412 communicates with the second positioning hole 414. The second positioning hole 414 is provided with a slidingly connected clamping rod 416. A connected third reset is provided between the clamping rod 416 and the upper inner wall of the second positioning hole 414. Spring 415, the adjustment hole 412 is provided with a slidingly connected transmission rod 411, the bottom of the transmission rod 411 is fixedly connected to the clamping rod 416, and the base 4 is provided with a plurality of slots that engage with the clamping rod 416 401.

The design of the clamping rod 416, the clamping slot 401, and the transmission rod 411 enables the first positioning rod 421 to press down the transmission rod 411 after the cover 42 is closed, and the transmission rod 411 drives the clamping rod 416 and the clamping groove 401 The locking and fixation ensures the overall stability. The design of the third return spring 415 enables the clamping bar 416 to automatically pop up with the elasticity of the third return spring 415 after the cover 42 is opened. The slot 401 is automatically separated, making the deployment of the second cabinet door panel 41 more convenient and faster.

Preferably, the first cabinet panel 45 and the second cabinet panel 41 are connected through a plurality of second hinges 16 .

Preferably, the cabinet door 13 and the corresponding second cabinet panel 41 are connected through a plurality of third hinges 47 .

Preferably, the locking rope 28 passes through the cover plate 42, the first cabinet plate 45 and the base 4 in sequence, and the extended end of the transmission rope 24 passes through the second cabinet plate 41, the first cabinet plate 45 and the first cabinet plate in sequence. The locking rope 28 in 45 is connected and fixed, and the extended end of the guide rope 37 passes through the base 4, the first cabinet board 45, the second cabinet board 41 and the cabinet door 13 in sequence and is connected and fixed.

The circuit design of the guide rope 37 and the locking rope 28 will not affect the overall disassembly of the guide rope 37 and the locking rope 28 during use.

Preferably, the self-locking mechanisms are respectively located on the cover 42 and the base 4 at the upper and lower ends of the cabinet door 13 .

The basic principles, main features and characteristics of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have other aspects. Various changes and modifications are possible, which fall within the scope of the claimed invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims (4)

1. The utility model provides a from locking-type switch board, includes the cabinet body, be equipped with the cabinet door that can open and shut on the cabinet body, cabinet door one side is equipped with fixed connection's door handle, its characterized in that: a fixed plate which is fixedly connected is arranged on the cabinet door positioned at one side of the door handle; the cabinet is characterized in that a self-locking mechanism for closing the cabinet door is arranged on one side of the cabinet body, the self-locking mechanism comprises a locking plate, a locking rope, an unlocking ring and a driving rope, the unlocking ring is positioned in a door handle, positioning blocks which are vertically symmetrically distributed and fixedly connected are arranged on one side of the cabinet body, a second adjusting groove is arranged at the extending end of each positioning block, a connecting shaft which is movably connected is arranged in each second adjusting groove, a locking plate which is fixedly connected and used for fixing the fixing plate in an extrusion mode is arranged at one end of each connecting shaft, a driving plate which is fixedly connected is arranged at the other end of each connecting shaft, a torsion spring which is connected with the corresponding locking plate and used for automatically extruding the corresponding locking plate is arranged between the connecting shaft and the second adjusting groove, a connecting hole which is communicated with the first adjusting groove is formed in the cabinet body and is positioned at the connecting position of the cabinet door, a locking rope is arranged in the connecting hole, two ends of the locking rope respectively penetrate through the corresponding first adjusting grooves to be connected with the driving plate, a guiding groove which is communicated with the connecting hole is formed in the cabinet body, and one end of the guiding rope is arranged in the middle of the connecting hole, and the driving rope is fixedly connected with the cabinet door through the other end, and the driving rope is movably connected with the cabinet door through the unlocking ring;

the second regulating groove on one side of the transmission plate is internally provided with symmetrically distributed positioning grooves, the transmission plate on one side of the positioning grooves is internally provided with penetrating type regulating holes, the regulating holes are internally provided with symmetrically distributed locking bars which are fixedly clamped with the positioning grooves, connecting wires are fixedly connected between the locking bars, the locking bars are slidably connected in the regulating holes, the regulating holes on the outer sides of the locking bars are internally provided with annular connecting grooves, the locking bars are internally provided with fixedly connected positioning rings, the connecting grooves on one side of the positioning rings are internally provided with first reset springs, the first reset springs are slidably sleeved on the locking bars, the transmission plates on one end of the locking ropes are internally provided with first transmission grooves, the middle parts of the regulating holes are provided with second transmission grooves which are communicated with the first transmission grooves, and the extending ends of the locking ropes movably penetrate through the first transmission grooves and the second transmission grooves to be fixedly connected with the middle parts of the connecting wires.

2. The self-locking power distribution cabinet of claim 1, wherein: the cabinet body positioned at the outer side of the transmission plate is provided with a sealing cover which is fixedly connected and used for sealing the transmission plate and the locking rope.

3. The self-locking power distribution cabinet of claim 1, wherein: the bottom of the lock plate is provided with a fixed connection pressing plate.

4. The self-locking power distribution cabinet of claim 1, wherein: the cabinet is characterized in that a storage tank is arranged in the inner wall of the cabinet body, a drying agent is stored in the storage tank, and a plurality of drying holes which are uniformly distributed in a strip shape and are communicated with the storage tank are formed in the cabinet body.