An outer door lock structure of a power distribution cabinet

Abstract

The utility model discloses a power distribution cabinet outer door lock structure, include: main part, inlay in power distribution cabinet outer door, both side walls all protrude in power distribution cabinet outer door, rotate lock core, inlay in the main part, with the main part opposite rotation, one end along the thickness direction of power distribution cabinet outer door and extend to the inside wall of main part, lock the paddle, be provided with on the end of rotating lock core extension to the inside wall of main part, follow rotating lock core synchronous rotation, locking lever, be located in the inside wall of main part, with the axle of rotating lock core central symmetry be located in the both sides of main part, one end with rotating lock core transmission connection, the other end along the height direction of power distribution cabinet outer door and extend, be rotated lock core drive along the height direction of power distribution cabinet outer door and away from or close to the main part. The utility model can lock in all directions to door body, improve the locking strength of power distribution cabinet outer door, thereby improve the protection security and operating stability of power distribution cabinet.

Description

Technical Field

[0001] This utility model relates to the field of power distribution cabinet technology, and in particular to a power distribution cabinet external door lock structure. Background Technology

[0002] Distribution cabinets require external door locks to prevent unauthorized personnel from accidentally touching live components inside, thus avoiding electric shock accidents. At the same time, external door locks also prevent unauthorized personnel from operating switches or adjusting settings, protecting the stable operation of electrical equipment and preventing power outages or equipment damage caused by misoperation.

[0003] Existing power distribution cabinet external door lock structures rely on a single locking point or multiple locking points moving in the same direction to lock the external door, resulting in insufficient locking force and the cabinet door being prone to deformation and shaking when subjected to force.

[0004] Therefore, it is urgent to research and develop an external door lock structure for power distribution cabinets to solve the above-mentioned technical problems. Summary of the Invention

[0005] The purpose of this utility model is to provide a power distribution cabinet external door lock structure, which can lock the door from multiple directions, improve the locking strength of the power distribution cabinet external door, and thus improve the protection safety and operational stability of the power distribution cabinet.

[0006] To achieve the above objectives, this utility model provides an external door lock structure for a power distribution cabinet, the specific implementation of which is as follows:

[0007] A power distribution cabinet external door lock structure, comprising:

[0008] The main body is embedded in the outer door of the distribution cabinet, and both side walls protrude from the outer door of the distribution cabinet.

[0009] The rotating lock cylinder is embedded in the main body and rotates relative to the main body. One end extends along the thickness direction of the outer door of the distribution cabinet to the outer side wall of the main body.

[0010] A locking lever is fitted onto the end of the rotating lock cylinder that extends to the outer side wall of the main body, and rotates synchronously with the rotating lock cylinder;

[0011] A locking rod is located on the inner wall of the main body and is centrally symmetrical about the axis of the rotating lock cylinder on both sides of the main body. One end is connected to the rotating lock cylinder, and the other end extends along the height direction of the outer door of the distribution cabinet. It is driven by the rotating lock cylinder to move away from or towards the main body along the height direction of the outer door of the distribution cabinet.

[0012] This utility model discloses a power distribution cabinet outer door lock structure. Compared with the prior art, it uses the rotation of the lock cylinder to synchronously drive the locking lever to rotate along the circumferential direction of the lock cylinder, allowing it to switch between horizontal and vertical states. This, in conjunction with the structure of the power distribution cabinet and its outer door, enables the locking and unlocking of the side of the outer door. Furthermore, while the lock cylinder rotates, it also synchronously drives two locking rods located on either side of it, symmetrically positioned around their axis, to move along the height of the outer door. This, in conjunction with the structure of the power distribution cabinet and its outer door, enables the locking and unlocking of the top and bottom of the outer door. This three-directional locking increases the connection rigidity and locking strength between the power distribution cabinet and its outer door, effectively resisting door deformation and shaking caused by external forces. This significantly improves the overall security of the power distribution cabinet and the stability of the internal equipment operation.

[0013] In some embodiments, the central hole of the locking paddle and the end of the rotary lock cylinder are fitted with a non-circular cross section, so that the rotary lock cylinder can drive the locking paddle to rotate in a plane parallel to the outer door of the distribution cabinet, thereby achieving lateral locking and unlocking.

[0014] By using a non-circular cross-section to connect the rotating lock cylinder and the locking lever, efficient and reliable transmission of rotational power is ensured, resulting in a simple structure with no relative slippage. This allows the locking lever to rotate precisely in a plane parallel to the door surface, thereby reliably achieving lateral locking and unlocking and enhancing the torsional resistance of lateral locking.

[0015] In some embodiments, the locking paddle is provided with a drive shaft, which is sleeved on the rotary lock cylinder;

[0016] The end of the rotary lock cylinder is formed with a first limiting surface in the shape of a "D". The drive shaft is used to fit into the groove of the rotary lock cylinder and is formed with a second limiting surface in the shape of a "D". The second limiting surface is in a limiting fit with the first limiting surface.

[0017] By using the second limiting surface to limit the first limiting surface, the non-circular cross-section is specifically designed for fit. This not only makes the machining and assembly easier, but also allows it to withstand greater torque. It effectively prevents the locking paddle from rotating or slipping relative to the rotating lock cylinder under long-term use or heavy-duty operation, thus improving the durability and reliability of the lateral locking mechanism.

[0018] In some embodiments, a gear is fixedly sleeved on the rotary lock cylinder, and racks are provided on the side of each of the two locking rods facing the rotary lock cylinder. The racks mesh with the side of the gear so that the rotation of the rotary lock cylinder synchronously drives one locking rod to move upward along the height direction of the outer door of the distribution cabinet, and the other locking rod to move downward along the height direction of the outer door of the distribution cabinet.

[0019] By employing a gear meshing with two racks, the rotational motion of the rotary lock cylinder is precisely converted into the synchronous and opposite linear motion of the two locking levers. By utilizing the inherent characteristics of gear transmission, it is ensured that when one locking lever rises, the other will necessarily descend synchronously, achieving precise synchronous control of the locking points in both the upper and lower directions. This results in high transmission efficiency and stable motion relationships.

[0020] In some embodiments, the inner side of the main body is provided with mounting holes for mounting the rotary lock cylinder and gear, and guide grooves on both sides of the mounting holes for the locking rod to slide.

[0021] By incorporating mounting holes and guide grooves, a stable and reliable installation and operating environment is provided for the gear and rack-shaped locking rod. The guide grooves effectively prevent the locking rod from skewing or jamming during operation, ensuring that the rack and gear are always in good meshing condition, thereby guaranteeing smooth transmission and extending the service life of the mechanism.

[0022] In some embodiments, the main body is provided with an upper guide hole and a lower guide hole for two locking rods to pass through, and the inner walls of the upper guide hole and the lower guide hole guide and limit the movement of the locking rods.

[0023] By guiding and limiting the locking rod through the upper and lower guide holes, it is ensured that the locking rod maintains a strictly linear movement during lifting and lowering, preventing any wobbling. This not only reduces wear and makes operation smoother, but also ensures that the end of the locking rod accurately inserts into the cabinet's lock hole, improving the precision and reliability of locking.

[0024] In some embodiments, the outer side wall of the body is provided with a handle, which is connected to the rotary lock cylinder.

[0025] By setting a handle on the outer wall of the main body, an ergonomic point of force is provided for the user, allowing the user to rotate the lock cylinder more effortlessly and conveniently, greatly improving the operating experience, while avoiding the inconvenience or damage that may be caused by directly twisting the lock cylinder.

[0026] In some embodiments, each of the locking levers has a locking block at its end away from the main body for locking engagement with the distribution cabinet.

[0027] By setting a locking block at the end of the locking rod, the contact area between the locking rod and the locking point of the distribution cabinet is significantly increased, the locking force is distributed and transmitted, stress concentration is avoided, and damage to the locking rod and the cabinet locking point is effectively prevented when frequently locking and unlocking or when subjected to external impact.

[0028] In some embodiments, the locking rod is provided with a guide block, the locking rod and the guide rod move relative to each other, and the guide block is fixedly connected to the inner side wall of the outer door of the distribution cabinet to provide guidance for the movement of the locking rod.

[0029] By incorporating guide blocks fixedly connected to the inner wall of the door, additional support and guidance are provided at the end away from the main body for the lifting and lowering movement of the locking lever. This effectively suppresses deflection and radial sway of the locking lever during long-stroke movements, ensuring a more precise and stable movement trajectory and preventing interference and jamming with surrounding components due to lever bending. This not only improves the smoothness of the locking process but also strengthens the protection of the internal transmission mechanism of the main body by distributing the motion load to the door body.

[0030] Based on the above technical solution, this utility model has the following beneficial effects compared with the prior art:

[0031] The rotation of the rotary lock cylinder synchronously drives the locking lever to rotate circumferentially along the cylinder, switching between horizontal and vertical states. This, in conjunction with the structure of the distribution cabinet and its outer door, enables the locking and unlocking of the side of the cabinet's outer door. Simultaneously, the rotary lock cylinder also drives two locking rods located symmetrically on either side of it along the height of the cabinet's outer door. This, in conjunction with the structure of the distribution cabinet and its outer door, locks and unlocks the top and bottom of the outer door. This three-directional locking increases the connection rigidity and locking strength between the distribution cabinet and its outer door, effectively resisting door deformation and shaking caused by external forces. This significantly improves the overall security of the distribution cabinet and the stability of the internal equipment operation. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the structure of this utility model;

[0033] Figure 2 This is a structural schematic diagram from another perspective of the present invention;

[0034] Figure 3 This is a schematic diagram showing the cooperation between the locking rod and the rotating lock cylinder of this utility model;

[0035] Figure 4 This is a cross-sectional schematic diagram of the rotation lock cylinder and locking lever of this utility model.

[0036] Explanation of reference numerals in the attached figures:

[0037] 100. Main body; 110. Mounting hole; 120. Guide groove; 130. Upper guide hole; 140. Lower guide hole; 200. Rotary lock cylinder; 210. First limiting surface; 220. Gear; 300. Locking paddle; 310. Drive shaft; 320. Groove; 321. Second limiting surface; 400. Locking rod; 410. Rack; 420. Locking block; 430. Guide block; 500. Handle; 600. Outer door of the distribution cabinet. Detailed Implementation

[0038] To facilitate understanding of this utility model, the specific embodiments of this utility model will be described in more detail below with reference to the accompanying drawings.

[0039] Unless otherwise specified or defined, the terms "first," "second," etc., used in this document are for distinguishing names only and do not represent a specific number or order.

[0040] Unless otherwise stated or defined, the term “and / or” as used herein includes any and all combinations of one or more of the associated listed items.

[0041] It should be noted that in this article, "fixed to" or "connected to" can mean directly fixed to or connected to a component, or indirectly fixed to or connected to a component.

[0042] like Figure 1-4 As shown in the figure, the external door lock structure of the power distribution cabinet provided in this embodiment includes:

[0043] The main body 100 is embedded in the outer door 600 of the power distribution cabinet, and both side walls protrude from the outer door 600 of the power distribution cabinet;

[0044] Rotate the lock cylinder 200, which is embedded in the main body 100 and rotates relative to the main body 100. One end extends along the thickness direction of the outer door 600 of the distribution cabinet to the outer side wall of the main body 100.

[0045] The locking lever 300 is sleeved on the end of the rotating lock cylinder 200 that extends to the outer side wall of the main body 100, and rotates synchronously with the rotating lock cylinder 200;

[0046] The locking rod 400 is located on the inner side wall of the main body 100 and is centrally symmetrical about the axis of the rotating lock cylinder 200 on both sides of the main body 100. One end is connected to the rotating lock cylinder 200 for transmission, and the other end extends along the height direction of the outer door 600 of the distribution cabinet. It is driven by the rotating lock cylinder 200 to move away from or towards the main body 100 along the height direction of the outer door 600 of the distribution cabinet.

[0047] In some embodiments, the central hole of the locking paddle 300 and the end of the rotary lock cylinder 200 are fitted with a non-circular cross section, so that the rotary lock cylinder 200 can drive the locking paddle 300 to rotate in a plane parallel to the door surface of the distribution cabinet 600, so as to achieve lateral locking and unlocking.

[0048] By using a non-circular cross-section to connect the rotating lock cylinder 200 and the locking lever 300, efficient and reliable transmission of rotational power is ensured, resulting in a simple structure with no relative slippage. This allows the locking lever 300 to rotate precisely in a plane parallel to the door surface, thereby reliably achieving lateral locking and unlocking and enhancing the torsional resistance of lateral locking.

[0049] In some embodiments, the locking paddle is provided with a drive shaft 310, which is sleeved on the rotary lock cylinder 200;

[0050] The end of the rotary lock cylinder 200 is formed with a first limiting surface 210 in a "D" shape. The drive shaft 310 is used to fit into the groove 320 of the rotary lock cylinder 200, which is formed with a second limiting surface 321 in a "D" shape. The second limiting surface 321 is in a limiting fit with the first limiting surface 210.

[0051] By using the second limiting surface 321 to limit the first limiting surface 210, the non-circular cross-section is specifically designed for the fit. This not only makes the machining and assembly easier, but also allows it to withstand greater torque. It effectively prevents the locking paddle 300 from rotating relative to the rotating lock cylinder 200 under long-term use or heavy operation, thus improving the durability and reliability of the lateral locking mechanism.

[0052] In some embodiments, a gear 220 is fixedly sleeved on the rotary lock cylinder 200, and a rack 410 is provided on the side of each of the two locking rods 400 facing the rotary lock cylinder 200. The rack 410 meshes with the side of the gear 220 so that the rotary lock cylinder 200 rotates synchronously to drive one locking rod 400 to move upward along the height direction of the outer door 600 of the distribution cabinet, and the other locking rod 400 to move downward along the height direction of the outer door 600 of the distribution cabinet.

[0053] By using a gear 220 to mesh with two racks 410, the rotational motion of the rotary lock cylinder 200 is precisely converted into the synchronous and reverse linear motion of the two locking rods 400. The inherent characteristics of the gear 220 transmission can be utilized to ensure that when one locking rod 400 rises, the other will necessarily fall synchronously. This achieves precise synchronous control of the locking points in both the upper and lower directions, resulting in high transmission efficiency and stable motion relationship.

[0054] In some embodiments, the inner side of the main body 100 is provided with mounting holes 110 for mounting the rotary lock cylinder 200 and the gear 220, and guide grooves 120 located on both sides of the mounting holes 110 for the locking rod 400 to slide.

[0055] By providing mounting holes 110 and guide grooves 120, a stable and reliable installation and operating environment is provided for the gear 220 and the rack 410-shaped locking rod 400. The guide groove 120 effectively prevents the locking rod 400 from deviating or jamming during movement, ensuring that the rack 410 and gear 220 are always in good meshing condition, thereby ensuring smooth transmission and extending the service life of the mechanism.

[0056] In some embodiments, the main body 100 is provided with an upper guide hole 130 and a lower guide hole 140 through which two locking rods 400 pass, respectively. The inner walls of the upper guide hole 130 and the lower guide hole 140 guide and limit the movement of the locking rods 400.

[0057] By guiding and limiting the locking rod 400 through the upper guide hole 130 and the lower guide hole 140, it is ensured that the locking rod 400 maintains a strictly linear motion during the lifting and lowering process, without any wobbling. This not only reduces wear and makes operation smoother, but also ensures that the end of the locking rod 400 is accurately inserted into the cabinet lock hole, improving the accuracy and reliability of locking.

[0058] In some embodiments, the outer side wall of the body 100 is provided with a handle 500, which is connected to the rotary lock cylinder 200.

[0059] By setting a handle 500 on the outer wall of the main body 100, an ergonomic force application point is provided for the user, allowing the user to rotate the lock cylinder 200 more easily and effortlessly, greatly improving the operating experience, while avoiding the inconvenience or damage that may be caused by directly twisting the lock cylinder.

[0060] In some embodiments, each of the locking levers 400 is provided with a locking block 420 at the end away from the main body 100 for locking engagement with the power distribution cabinet.

[0061] By setting a locking block 420 at the end of the locking rod 400, the contact area between the locking rod 400 and the locking point of the distribution cabinet is significantly increased, the locking force is distributed and transmitted, stress concentration is avoided, and damage to the locking rod 400 and the cabinet locking point is effectively prevented when frequently locking and unlocking or when subjected to external impact.

[0062] Meanwhile, the locking block 420 can be designed in the shape of a wedge or a bevel, which helps to guide it to align and press the locking point during the locking process, further improving the reliability of the locking and the durability of the structure.

[0063] In some embodiments, the locking rod 400 is provided with a guide block 430, the locking rod 400 and the guide rod are movable relative to each other, and the guide block 430 is fixedly connected to the inner side wall of the outer door 600 of the power distribution cabinet to provide guidance for the movement of the locking rod 400.

[0064] By setting a guide block 430 fixedly connected to the inner wall of the door, additional support and guidance are provided for the lifting and lowering movement of the locking rod 400 away from the main body 100. This effectively suppresses the deflection and radial sway of the locking rod 400 during long-stroke movement, ensuring a more precise and stable movement trajectory and preventing interference and jamming with surrounding components due to rod bending. This not only improves the smoothness of the locking process but also strengthens the protection of the internal transmission mechanism of the main body 100 by distributing the motion load to the door body.

[0065] The power distribution cabinet outer door lock structure provided in this embodiment, compared with the prior art, synchronously drives the locking lever 300 to rotate along the circumferential direction of the rotating lock cylinder 200, allowing it to switch between horizontal and vertical states. This, in conjunction with the structure of the power distribution cabinet and the power distribution cabinet outer door 600, enables the locking and unlocking of the side of the power distribution cabinet outer door 600. Furthermore, while the rotating lock cylinder 200 rotates, it also synchronously drives two locking rods 400 located on both sides of it and symmetrically positioned around their axis to move along the height direction of the power distribution cabinet outer door 600. This, in conjunction with the structure of the power distribution cabinet and the power distribution cabinet outer door 600, enables the locking and unlocking of the top and bottom of the power distribution cabinet outer door 600. Locking from three directions increases the connection rigidity and locking strength between the power distribution cabinet and the power distribution cabinet outer door 600, effectively resisting door deformation and shaking caused by external forces, thereby significantly improving the overall protection security of the power distribution cabinet and the stability of the internal equipment operation.

[0066] Based on the disclosure and teachings of the above specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, this utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to this utility model should also fall within the protection scope of the claims of this utility model. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on this utility model.

Claims

1. A lock structure for the outer door of a power distribution cabinet, characterized in that, include: The main body (100) is embedded in the outer door (600) of the power distribution cabinet, and both side walls protrude from the outer door (600) of the power distribution cabinet; Rotate the lock cylinder (200), which is embedded in the main body (100) and rotates relative to the main body (100). One end extends along the thickness direction of the outer door (600) of the distribution cabinet to the outer side wall of the main body (100). The locking lever (300) is sleeved on the end of the rotating lock cylinder (200) extending to the outer side wall of the main body (100), and rotates synchronously with the rotating lock cylinder (200); A locking lever (400) is located on the inner wall of the main body (100) and is centrally symmetrical about the axis of the rotating lock cylinder (200) on both sides of the main body (100). One end is connected to the rotating lock cylinder (200) for transmission, and the other end extends along the height direction of the outer door (600) of the distribution cabinet. It is driven by the rotating lock cylinder (200) to move away from or towards the main body (100) along the height direction of the outer door (600) of the distribution cabinet.

2. The distribution cabinet external door lock structure as described in claim 1, characterized in that, The central hole of the locking paddle (300) and the end of the rotating lock cylinder (200) are fitted with a non-circular cross section, so that the rotating lock cylinder (200) can drive the locking paddle (300) to rotate in a plane parallel to the door surface of the distribution cabinet (600) to achieve lateral locking and unlocking.

3. The distribution cabinet external door lock structure as described in claim 2, characterized in that, The locking lever is provided with a drive shaft (310), and the drive shaft (310) is sleeved on the rotating lock core (200); The end of the rotary lock cylinder (200) is formed with a first limiting surface (210) in the shape of a "D". The drive shaft (310) is used to fit into the groove (320) of the rotary lock cylinder (200) and is formed with a second limiting surface (321) in the shape of a "D". The second limiting surface (321) is in a limiting fit with the first limiting surface (210).

4. The distribution cabinet external door lock structure as described in any one of claims 1-3, characterized in that, A gear (220) is fixedly sleeved on the rotary lock cylinder (200). Each of the two locking rods (400) is provided with a rack (410) on the side facing the rotary lock cylinder (200). The rack (410) meshes with the side of the gear (220) so that the rotation of the rotary lock cylinder (200) synchronously drives one locking rod (400) to move upward along the height direction of the outer door (600) of the power distribution cabinet, and the other locking rod (400) to move downward along the height direction of the outer door (600) of the power distribution cabinet.

5. The distribution cabinet external door lock structure as described in claim 4, characterized in that, The inner side of the main body (100) is provided with mounting holes (110) for mounting the rotary lock cylinder (200) and gear (220), and guide grooves (120) on both sides of the mounting holes (110) for the locking rod (400) to slide.

6. The distribution cabinet external door lock structure as described in any one of claims 1-3, characterized in that, The main body (100) is provided with an upper guide hole (130) and a lower guide hole (140) for two locking rods (400) to pass through respectively. The inner walls of the upper guide hole (130) and the lower guide hole (140) guide and limit the movement of the locking rods (400).

7. The distribution cabinet external door lock structure as described in any one of claims 1-3, characterized in that, The outer side wall of the main body (100) is provided with a handle (500), which is connected to the rotary lock cylinder (200).

8. The distribution cabinet external door lock structure as described in any one of claims 1-3, characterized in that, Each of the locking levers (400) has a locking block (420) on its end away from the main body (100) for locking engagement with the distribution cabinet.

9. The distribution cabinet external door lock structure as described in claim 8, characterized in that, The locking rod (400) is provided with a guide block (430). The locking rod (400) and the guide rod move relative to each other. The guide block (430) is fixedly connected to the inner side wall of the outer door (600) of the power distribution cabinet to provide guidance for the movement of the locking rod (400).

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