Drawer structure of draw-out type low-voltage switch cabinet

Abstract

The utility model discloses a drawer structure of a draw-out type low-voltage switch cabinet, which comprises a switch cabinet body, a drawer groove is arranged in the switch cabinet body, a drawer body is arranged in the drawer groove, a side groove is arranged on the side wall of the drawer body, a stop block is arranged in the side groove, a handle I is arranged on the drawer body, and a handle II is arranged on the handle I. A locking assembly is arranged on the switch cabinet body, and a limiting locking device is arranged on the side wall of the switch cabinet body. The utility model belongs to the technical field of draw-out type switch cabinets, and particularly solves the problems that when a drawer in a switch cabinet body in the prior art is drawn out from the switch cabinet body, the drawer is easy to be drawn out from the cabinet body due to lack of a limiting function, the operation is very complicated when the drawer is locked, and the operation is inconvenient. And the drawer structure of the draw-out type low-voltage switch cabinet is not convenient to use.

Description

Technical Field

[0001] This utility model belongs to the technical field of withdrawable switchgear, specifically referring to the drawer structure of withdrawable low-voltage switchgear. Background Technology

[0002] Withdrawable low-voltage switchgear is suitable for industries such as power generation, chemical, petroleum, textile, and metallurgy, and can be used for power transmission, distribution, and energy conversion. Withdrawable low-voltage switchgear consists of a cabinet and drawers, with electrical components and equipment installed in the drawers for easy maintenance, repair, and replacement.

[0003] Existing drawer-type switch cabinets have some shortcomings when the drawers are pulled out: they lack a limit locking function for the drawers, which makes it easy for the drawers to be completely pulled out of the cabinet, potentially causing electrical accidents. Furthermore, locking the drawers is very complicated and inconvenient to operate. Therefore, improvements are needed. Utility Model Content

[0004] The technical problem this invention aims to solve is that in the prior art, when the drawer in the switch cabinet is pulled out of the switch cabinet, there is no limiting function, which easily causes the drawer to be pulled out of the cabinet. Locking the drawer is also very complicated and inconvenient to use.

[0005] To achieve the above functions, the technical solution adopted by this utility model is as follows: A drawer structure for a pull-out low-voltage switchgear includes a switchgear body. The switchgear body has an internal drawer groove, a drawer body is located within the drawer groove, a side groove is located on the side wall of the drawer body, a stop block is located within the side groove, a handle is located on the drawer body, a locking assembly is located on the switchgear body, and a limiting locking device is located on the side wall of the switchgear body. The limiting locking device includes a housing located on the side wall of the switchgear body, an electromagnet is located within the housing, a locking rod passes through the housing and is aligned with the side groove, an armature is located at the end of the locking rod and corresponds to the electromagnet, a spring is sleeved on the locking rod, one end of the spring is fixed to the inner wall of the housing and the other end is connected to the armature. The locking rod is inserted into the side groove. When the drawer body is pulled, the locking rod will block the stop block, preventing the drawer body from detaching from the drawer groove.

[0006] Furthermore, the locking assembly includes a latch groove located on the outer end face of the drawer body. A rotating shaft is rotatably mounted on the switch cabinet. A connecting plate is fixedly connected to the outer end of the rotating shaft. A handle is provided on the rising connecting plate. A locking mechanism is provided in the connecting plate. By rotating the handle, the connecting plate can be rotated to the outer end plate of the drawer body. The locking mechanism can be used to quickly lock and fix the drawer body.

[0007] Furthermore, the locking mechanism includes a lead screw threaded into a connecting plate. The lead screw has a handwheel at its outer end and a latch plate at its other end. A guide rod is fixed to the latch plate and passes through the connecting plate. By pushing the latch plate with the lead screw, the latch plate latches into the drawer body, thereby achieving quick locking and fixing of the drawer body.

[0008] Preferably, the size of the buckle groove is exactly the same as the size of the buckle plate.

[0009] Preferably, the initial state of the spring is such that the locking rod can be inserted into the side groove.

[0010] Preferably, when the electromagnet attracts the armature, it can satisfy the condition that the locking rod disengages from the side groove and loses its obstruction of the stop block.

[0011] The beneficial effects achieved by adopting the above-described structure are as follows:

[0012] 1. This utility model, by setting a limiting locking device, inserts the locking rod into the side groove to block the stop block, preventing the drawer body from being pulled out of the drawer groove when it is pulled, thus avoiding electrical accidents. By retracting the locking rod, the drawer body can be easily pulled out of the drawer groove for inspection and maintenance.

[0013] 2. This utility model, by setting a locking component, allows the drawer body to be quickly locked by turning the handwheel, rotating the screw in the connecting plate, pushing the latch plate, and engaging the latch plate in the latch groove. Attached Figure Description

[0014] Figure 1 This is an exploded view of the overall drawer structure of the pull-out low-voltage switchgear of this utility model;

[0015] Figure 2 This is an internal structural diagram of the limit locking device for the drawer structure of the pull-out low-voltage switchgear of this utility model.

[0016] Figure 3 for Figure 1 Enlarged view of a portion of point A in the middle;

[0017] Figure 4 for Figure 3 Overall structural diagram of the locking mechanism.

[0018] Among them, 1. switch cabinet body, 2. drawer slot, 3. drawer body, 4. handle one, 5. side slot, 6. stop block, 7. locking assembly, 8. limit locking device, 9. housing, 10. electromagnet, 11. locking rod, 12. armature, 13. spring, 14. rotating shaft, 15. connecting plate, 16. handle two, 17. locking mechanism, 18. lead screw, 19. handwheel, 20. buckle plate, 21. guide rod, 22. buckle groove. Detailed Implementation

[0019] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0020] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0021] like Figure 1-4 The present invention relates to a drawer structure for a pull-out low-voltage switchgear, comprising a switchgear body 1, a drawer groove 2 inside the switchgear body 1, a drawer body 3 in the drawer groove 2, a side groove 5 on the side wall of the drawer body 3, a stop block 6 in the side groove 5, a handle 4 on the drawer body 3, a locking assembly 7 on the switchgear body 1, and a limit locking device 8 on the side wall of the switchgear body 1.

[0022] like Figure 1-2 The limiting locking device 8 includes a housing 9, which is located on the side wall of the switch cabinet 1. An electromagnet 10 is provided in the housing 9. A locking rod 11 passes through the housing 9 and is aligned with the side groove 5. An armature 12 is provided at the end of the locking rod 11 and corresponds to the electromagnet 10. When the electromagnet 10 attracts the armature 12, it can satisfy the locking rod 11 to disengage from the side groove 5 and lose its obstruction to the stop block 6. A spring 13 is sleeved on the locking rod 11. One end of the spring 13 is fixed to the inner wall of the housing 9 and the other end is connected to the armature 12. The initial state of the spring 13 can satisfy the locking rod 11 to be inserted into the side groove 5. When the drawer body 3 is pulled, the locking rod 11 will block the stop block 6, which can prevent the drawer body 3 from disengaging from the drawer groove 2.

[0023] like Figure 1 , 34. The locking assembly 7 includes a latching groove 22, which is located in the outer end face of the drawer body 3. A rotating shaft 14 is rotatably provided on the switch cabinet 1. A connecting plate 15 is fixedly connected to the outer end of the rotating shaft 14. A handle 16 is provided on the connecting plate 15. A locking mechanism 17 is provided in the connecting plate 15. By rotating the handle 16, the connecting plate 15 can be rotated to the outer end plate of the drawer body 3. The locking mechanism 17 can be used to quickly lock and fix the drawer body 3.

[0024] like Figure 3-4 The locking mechanism 17 includes a lead screw 18, which is threaded into the connecting plate 15. A handwheel 19 is provided at the outer end of the lead screw 18, and a buckle plate 20 is connected to the other end of the lead screw 18. The buckle groove 22 is exactly the same size as the buckle plate 20. A guide rod 21 is fixed on the buckle plate 20 and passes through the connecting plate 15. By pushing the buckle plate 20 with the lead screw 18, the buckle plate 20 is fastened into the drawer body 3, which can realize the quick locking and fixing of the drawer body 3.

[0025] In practical use, when pulling the drawer body 3, pull the handle 4. The side groove 5 of the drawer body 3 will slide on the locking rod 11 until the locking rod 11 blocks the stop 6. This can prevent the drawer body 3 from being accidentally pulled out of the switch cabinet 1. When the drawer body 3 needs to be completely pulled out for replacement or maintenance, the electromagnet 10 needs to be energized to attract the armature 12. The locking rod 11 will be pulled away from the side groove 5 and the locking rod 11 will be released from the block 6. In this way, the drawer body 3 can be completely pulled out of the drawer groove 2.

[0026] When closing the drawer body 3, after pushing the drawer body 3 fully into place, rotate the connecting plate 15 by using the handle 16 to rotate the latch plate 20 to one side of the latch groove 22. Then, turn the handwheel 19, and the screw 18 will be threaded into the connecting plate 15. At the same time, the screw 18 will be engaged and rotated in the latch plate 20. The guide rod 21 will slide in the connecting plate 15 until the latch plate 20 is engaged in the latch groove 22, thus completing the locking and fixing of the drawer body 3. This is very convenient and easy to operate.

[0027] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A drawer structure of a draw-out low-voltage switch cabinet, comprising a switch cabinet body, an inside of the switch cabinet body is provided with a drawer slot, a drawer body is arranged in the drawer slot, and the drawer structure is characterized in that: The side wall of the drawer body is provided with a side slot, a stop block is arranged in the side slot, a handle one is arranged on the drawer body, a locking assembly is arranged on the switch cabinet body, and a limiting locking device is arranged on the side wall of the switch cabinet body; The limiting locking device comprises a shell, the shell is arranged on the side wall of the switch cabinet body, an electromagnet is arranged in the shell, a locking rod is arranged in the shell and is aligned with the side slot, an armature is arranged at the end of the locking rod and corresponds to the electromagnet, a spring is sleeved on the locking rod, one end of the spring is fixed to the inner wall of the shell and the other end is connected with the armature.

2. The drawer structure of the draw-out low voltage switchgear according to claim 1, characterized in that: The locking assembly comprises a buckle slot, the buckle slot is arranged in the outer end face of the drawer body, a rotating shaft is rotatably arranged on the switch cabinet body, a connecting plate is fixedly connected to the outer end of the rotating shaft, a handle two is arranged on the connecting plate, and a locking mechanism is arranged in the connecting plate.

3. The drawer structure of the draw-out low voltage switchgear cabinet according to claim 2, characterized in that: The locking mechanism comprises a lead screw, the lead screw is threadedly connected in the connecting plate, a hand wheel is arranged at the outer end of the lead screw, a buckle plate is connected to the other end of the lead screw, a guide rod is fixedly connected to the buckle plate and penetrates the connecting plate.

4. The drawer structure of the draw-out low voltage switchgear according to claim 3, characterized in that: The size of the buckle slot is completely same as the size of the buckle plate.

5. The drawer structure of the draw-out low voltage switchgear according to claim 4, characterized in that: The initial state of the spring can meet the requirement that the locking rod is inserted into the side slot.

6. The drawer structure of the draw-out low voltage switchgear according to claim 5, characterized in that: When the electromagnet attracts the armature, the locking rod can be separated from the side slot and lose the blocking of the stop block.

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