Self-guiding door lock device with self-locking function and switch cabinet comprising self-guiding door lock device

Abstract

The utility model discloses a self-guiding door lock device with a self-locking function and a switch cabinet comprising the self-guiding door lock device. The self-guiding door lock device comprises a positioning plate, a guiding rod, a door lock and a self-locking assembly. The guide rod, the door lock and the self-locking assembly are all arranged on the door plate, the positioning plate is arranged on the door frame, and a positioning hole is formed in the positioning plate; when the door is closed, one side of the guide rod is inserted into the positioning hole of the positioning plate so as to prevent the door plate from drooping; the door lock and the self-locking assembly are both used for locking the door plate, and the self-locking assembly is used for preventing the door plate from being opened due to failure of the door lock. The switch cabinet has the characteristics of compact structure, simplicity in operation, high stability and the like, the door plate is prevented from drooping to influence normal door opening and closing, the door plate is prevented from being opened due to failure of the door lock, and the operation and transportation safety of the switch cabinet is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of door lock devices, in particular to a self-guiding door lock device with a self-locking function and a switch cabinet comprising the same. Background Art

[0002] The door panels of existing switch cabinets are relatively large and heavy. Due to their own gravity, they often sag, affecting the closing and opening operations of the switch cabinet door locks and reducing the protection level. Therefore, higher processing and assembly accuracy are required to ensure the normal use of the switch cabinet door locks, which increases the production cost and after-sales cost of the switch cabinet.

[0003] In addition, since most door locks used in switch cabinets are fixed by rotation or connecting rod, during the transportation or operation of the switch cabinet, the door lock will rotate due to the vibration of the cabinet body or the connecting rod will fall and fail, causing the door panel of the switch cabinet to open automatically, posing a safety hazard. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a self-guided door lock device with a self-locking function, which has a compact structure, simple operation and high stability, in view of the shortcomings of the existing technology.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] A self-guided door lock device with a self-locking function includes: a positioning plate, a guide rod, a door lock and a self-locking assembly; the guide rod, door lock and self-locking assembly are all arranged on the door panel, the positioning plate is arranged on the door frame, and a positioning hole is provided on the positioning plate; when the door is closed, one side of the guide rod is inserted into the positioning hole of the positioning plate to prevent the door panel from sagging; the door lock and the self-locking assembly are both used to lock the door panel, and the self-locking assembly is used to prevent the door panel from opening due to failure of the door lock.

[0007] As a further improvement of the present invention, the self-locking component includes a hook, a fixed link and a groove-shaped fixing seat, the fixed link is arranged on the door frame, the groove-shaped fixing seat is arranged on the door panel, the hook is rotatably installed in the groove-shaped fixing seat through a rotating shaft, and the paddle at the end of the hook passes through the through hole on the door panel and extends to the outside of the door panel. The through hole is used to limit the displacement of the paddle; when the door panel is in an open state, the hook relies on its own gravity to hang on the inner side of the door panel, and when the door panel is closed, the hook is buckled on the fixed link to achieve self-locking.

[0008] As a further improvement of the present invention, the self-locking assembly also includes a travel switch and a signal indicator light. The travel switch is installed on the inner side of the door panel through a bracket and is located above the hook. The signal indicator light is set through the door panel and is connected to the travel switch. When the door panel is in the open state, the travel switch is in the normally open state. When the door panel is closed into place, the top of the hook triggers the travel switch and the signal indicator light flashes.

[0009] As a further improvement of the present invention, a mounting plate is further provided on the door panel, the mounting plate is located on the side of the through hole, and connecting holes are provided on the mounting plate and the paddle, and the connecting holes are used to set a padlock.

[0010] As a general technical concept, the present invention also provides a switch cabinet, including the above-mentioned self-guided door lock device with a self-locking function.

[0011] Compared with the prior art, the advantages of the present invention are:

[0012] The self-guiding door lock device with a self-locking function of the present invention and the switch cabinet containing the same, by arranging the guide rod, the door lock and the self-locking assembly on the door panel, and arranging the positioning plate on the door frame, and the positioning plate is provided with a positioning hole corresponding to the guide rod; when the door is closed, one side of the guide rod is inserted into the positioning hole of the positioning plate, thereby achieving the purpose of preventing the door panel from sagging, and at the same time, it also reduces the processing accuracy and assembly accuracy of the door panel and reduces the manufacturing cost; the door lock and the self-locking assembly are both used to achieve locking of the door panel, and the self-locking assembly can also be used to prevent the door panel from opening due to failure of the door lock. The utility model has the characteristics of compact structure, simple operation and high stability, which not only avoids the door panel from sagging and affecting the normal opening and closing of the door, but also avoids the door panel from opening due to failure of the door lock, thereby improving the safety of transportation and operation of the switch cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure principle of a self-guided door lock device with a self-locking function in an open state in a specific embodiment of the present utility model;

[0014] Figure 2 This is a second schematic diagram of the structural principle of the self-guided door lock device with a self-locking function in an open state in a specific embodiment of the present utility model;

[0015] Figure 3 This is the third schematic diagram of the structural principle of the self-guided door lock device with a self-locking function in the specific embodiment of the utility model in the open state;

[0016] Figure 4 for Figure 3 Schematic diagram of the structural principle at A in the middle;

[0017] Figure 5This is a schematic diagram of the structural principle of the self-guided door lock device in a closed state in a specific embodiment of the present utility model;

[0018] Legend: 1. Door frame; 2. Door panel; 21. Through hole; 3. Positioning plate; 31. Positioning hole; 4. Guide rod; 5. Travel switch; 6. Door lock; 7. Signal indicator light; 8. Bracket; 9. Hook; 91. Paddle; 92. Inclined part; 10. Fixed link; 11. Slotted fixing seat; 12. Connecting hole; 13. Rotating shaft; 14. Mounting plate; 15. Wire. DETAILED DESCRIPTION

[0019] The present invention will be further described below with reference to the accompanying drawings and specific preferred embodiments, but the scope of protection of the present invention is not limited thereby.

[0020] In the description of the present invention, it should be understood that the terms "side", "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0021] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0022] Example

[0023] like Figure 1 、 Figure 2 and Figure 3 As shown in FIG, the self-guided door lock device with self-locking function of the present invention comprises: a positioning plate 3, a guide rod 4, a door lock 6 and a self-locking assembly. The guide rod 4, the door lock 6 and the self-locking assembly are all arranged on the door panel 2, and the positioning plate 3 is arranged on the door frame 1, and a positioning hole 31 is provided on the positioning plate 3. Figure 5 As shown, when the door is closed, one side of the guide rod 4 is inserted into the positioning hole 31 of the positioning plate 3 to prevent the door panel 2 from sagging. The door lock 6 and the self-locking assembly are both used to lock the door panel 2, and the self-locking assembly is used to prevent the door panel 2 from opening due to failure of the door lock 6.

[0024] In this embodiment, guide rod 4, door lock 6, and self-locking assembly are all disposed on door panel 2, and positioning plate 3 is disposed on door frame 1. Positioning hole 31 corresponding to guide rod 4 is provided on positioning plate 3. When the door is closed, one side of guide rod 4 is inserted into positioning hole 31 of positioning plate 3, thereby preventing door panel 2 from sagging. This also reduces machining and assembly precision of door panel 2, thereby lowering manufacturing costs. Furthermore, door lock 6 and self-locking assembly both securely lock door panel 2, and the self-locking assembly also prevents door panel 2 from opening spontaneously due to failure of door lock 6. This door lock device of this embodiment features a compact structure, simple operation, and high stability. It prevents door panel 2 from sagging and affecting normal door opening and closing, and prevents door panel 2 from opening spontaneously due to failure of door lock 6, thereby improving the safety of switchgear transportation and operation.

[0025] like Figure 1 and Figure 2 As shown, the self-locking assembly includes a hook 9, a fixed link 10, and a slotted fixing seat 11. The fixed link 10 is mounted on the door frame 1, and the slotted fixing seat 11 is mounted on the door panel 2. The hook 9 is rotatably mounted within the slotted fixing seat 11 via a rotating shaft 13. A paddle 91 at one end of the hook 9 passes through a through-hole 21 in the door panel 2 and extends to the outside of the door panel 2, allowing the hook 9 to be operated from the outside. The other end of the hook 9 is provided with an inclined portion 92. When the door panel 2 is in the open state, the hook 9 hangs on the inside of the door panel 2 by its own weight. The through-hole 21 also limits the displacement of the paddle 91, controlling the droop of the hook 9 within an appropriate range to prevent excessive drooping of the hook 9 from affecting the self-locking function. When the door panel 2 needs to be closed, during the process of pushing the door panel 2 to close, the inclined portion 92 slides and abuts against the outside of the fixed link 10, causing the hook 9 to tilt upward around the rotating shaft 13. When one side of the guide rod 4 is inserted into the positioning hole 31 of the positioning plate 3, the hook 9 relies on its own gravity to buckle onto the fixed link 10, achieving self-locking.

[0026] like Figure 1 and Figure 2As shown, the self-locking assembly also includes a travel switch 5 and a signal indicator light 7. The travel switch 5 is mounted on the inside of the door panel 2 via a bracket 8 and is located above the hook 9. The signal indicator light 7 is installed throughout the door panel 2 and is connected to the travel switch 5 via a wire 15. When the door panel 2 is in the open state, the travel switch 5 is in the normally open state. When the door panel 2 is fully closed, the top of the hook 9 triggers the travel switch 5, and the signal indicator light 7 flashes, thereby improving the reliability of the door closing. It can be understood that the hook 9 is installed in the form of a lever within the groove-shaped fixed seat 11, and the rotating shaft 13 is the fulcrum of the lever. The travel switch 5 is located near the door panel 2 and near the paddle 91. During the door closing process, the hook 9 is tilted upward as a whole. The height of the tilt near the paddle 91 is not enough to trigger the travel switch 5. Only after the door is closed and the hook 9 is engaged with the fixed link 10, the top of the hook 9 is tilted high enough to trigger the travel switch 5.

[0027] In other embodiments, the limit switch 5 can also be connected to a remote mobile phone control terminal or a microcomputer control terminal via a wireless signal, and the status signal of the limit switch 5 can be transmitted to the remote control terminal in real time, so that the remote control terminal can grasp the opening and closing status of the switch cabinet door in real time.

[0028] like Figure 3 and Figure 4 As shown, the door panel 2 is also provided with a mounting plate 14, located to the side of the through-hole 21. Both the mounting plate 14 and the paddle 91 are provided with connection holes 12, which are used to attach a padlock to provide secondary protection or safeguards for the door panel 2. Because the key used in the door lock 6 is a universal key, the switch cabinet can be accidentally opened, posing a safety hazard. By attaching a padlock to the exterior of the door panel 2, losses caused by accidental opening of the switch cabinet can be avoided, further improving the safety of the switch cabinet.

[0029] This embodiment further provides a switch cabinet, comprising the above-mentioned self-guided door lock device with a self-locking function.

[0030] In this embodiment, the working principle of closing the switch cabinet door is:

[0031] (1) When closing the door, push the door panel 2 and insert the guide rod 4 into the positioning hole 31 of the positioning plate 3. The cooperation between the guide rod 4 and the positioning plate 3 ensures the cooperation accuracy between the door panel 2 and the door frame 1.

[0032] (2) As the door panel 2 is closed, the inclined portion 92 at the end of the hook 9 slides against the outside of the fixed link 10, causing the hook 9 to tilt upward around the rotation axis 13. After the guide rod 4 is inserted into the positioning plate 3, the hook 9 is fastened to the fixed link 10 by its own gravity, and the travel switch 5 is triggered by the hook 9. The signal indicator 7 flashes, indicating that the self-locking state is in place;

[0033] (3) Rotate the door lock 6 to complete the door closing process;

[0034] (4) Add a padlock to the paddle 91 and the mounting plate 14. Of course, the padlock is determined to be added according to the actual situation of the switch cabinet.

[0035] In this embodiment, the working principle of the switch cabinet door opening is:

[0036] (1) First open the padlock on the paddle 91 and the mounting plate 14;

[0037] (2) Door lock 6 on rotating door panel 2;

[0038] (3) Press the paddle 91 to tilt the hook 9 upwards, and the hook 9 is now unlocked from the fixed link 10;

[0039] (4) Open the door panel 2 with force. After the door panel 2 is opened, release the paddle 91. At this time, the hook 9 droops due to gravity, and the hook 9 is separated from the travel switch 5. The travel switch 5 returns to the normally open state, and the signal indicator light 7 goes out.

[0040] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiment. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be noted that for those skilled in the art, certain improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A self-guided door lock device with a self-locking function, characterized in that: include: A positioning plate (3), a guide rod (4), a door lock (6) and a self-locking assembly; the guide rod (4), the door lock (6) and the self-locking assembly are all arranged on the door panel (2), the positioning plate (3) is arranged on the door frame (1), and the positioning plate (3) is provided with a positioning hole (31); when the door is closed, one side of the guide rod (4) is inserted into the positioning hole (31) of the positioning plate (3) to prevent the door panel (2) from sagging; the door lock (6) and the self-locking assembly are both used to lock the door panel (2), and the self-locking assembly is used to prevent the door panel (2) from opening due to failure of the door lock (6).

2. The self-guided door lock device with self-locking function according to claim 1, characterized in that: The self-locking component comprises a hook (9), a fixed link (10) and a groove-shaped fixed seat (11); the fixed link (10) is arranged on the door frame (1); the groove-shaped fixed seat (11) is arranged on the door panel (2); the hook (9) is rotatably mounted in the groove-shaped fixed seat (11) via a rotating shaft (13); and a paddle (91) at the end of the hook (9) passes through a through hole (21) on the door panel (2) and extends to the outside of the door panel (2); the through hole (21) is used to limit the displacement of the paddle (91); when the door panel (2) is in an open state, the hook (9) hangs on the inner side of the door panel (2) by its own gravity; when the door panel (2) is closed, the hook (9) is buckled onto the fixed link (10) to achieve self-locking.

3. The self-guided door lock device with self-locking function according to claim 2, characterized in that: The self-locking assembly further comprises a travel switch (5) and a signal indicator light (7); the travel switch (5) is mounted on the inner side of the door panel (2) via a bracket (8) and is located above the hook (9); the signal indicator light (7) is arranged through the door panel (2) and is connected to the travel switch (5); when the door panel (2) is in an open state, the travel switch (5) is in a normally open state; when the door panel (2) is closed, the top of the hook (9) triggers the travel switch (5), and the signal indicator light (7) flashes.

4. The self-guiding door lock device with self-locking function according to claim 2 or 3, characterized in that: The door panel (2) is further provided with a mounting plate (14), the mounting plate (14) being located on the side of the through hole (21), and both the mounting plate (14) and the paddle (91) are provided with connecting holes (12), the connecting holes (12) being used for setting a padlock.

5. A switch cabinet, characterized in that: A self-guiding door lock device with a self-locking function comprising any one of claims 1 to 4.

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