Interlocking device for switch cabinet door

Abstract

The utility model provides a switch cabinet door interlocking device which is installed on a cabinet door of a switch cabinet and comprises a lock head with an opening state and a closing state, a key is inserted into the lock head, the lock head is rotated, if the cabinet door of the switch cabinet is not completely closed, the lock head cannot be rotated, and if the cabinet door of the switch cabinet is not completely closed, the lock head cannot be rotated. If the cabinet door of the switch cabinet is completely closed, the lock head can be rotated to lock the cabinet door of the switch cabinet, the lock head is in a closed state, and the key can be pulled out at the moment. The switch cabinet door interlocking device provided by the utility model can be installed on a switch cabinet door after being pre-processed, the installation mode is simple and convenient, the rapidness, stability and reliability in the field debugging process are ensured, and the high efficiency and economical efficiency of the switch cabinet door interlocking device are ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of power switch cabinets, and in particular relates to a switch cabinet door interlocking device. Background Art

[0002] At present, the door interlocks on switch cabinets are extremely expensive because they are customized products, and the supply cycle is long, with a long time from procurement to production. At the same time, the door interlocks are mainly made of plastic materials, so if the installation is not done properly, it is very easy to cause damage to the door interlock body. This device is integrated and parts cannot be replaced. It can only be scrapped and re-purchased, which increases the processing cost. Utility Model Content

[0003] In view of the deficiencies in the prior art, the present invention aims to provide a switch cabinet door interlocking device with a simple structure and high reliability.

[0004] In order to achieve the above purpose, the solutions adopted by the present invention are as follows:

[0005] The utility model provides a switch cabinet door interlocking device, which is installed on the cabinet door of the switch cabinet and includes a lock head with an open state and a closed state. A key is inserted into the lock head and rotated. If the switch cabinet door is not completely closed, the lock head cannot be rotated. If the switch cabinet door is completely closed, the lock head can be rotated to lock the switch cabinet door. When the lock head is in the closed state, the key can be pulled out.

[0006] Preferably, the lock head includes a lock core and a lock tongue connected to the lock core, the lock tongue can rotate together with the lock core, and the lock tongue is located on the inner side of the switch cabinet door.

[0007] Preferably, it further comprises a first fixing member, wherein the first fixing member is fixed to the inner side of the switch cabinet door, and the lock core of the lock head is fixed on the first fixing member.

[0008] Preferably, the first fixing member includes a first fixing portion and a second fixing portion, the first fixing portion and the second fixing portion are hinges perpendicular to each other, the first fixing portion is in contact with the switch cabinet door and is fixed to the inner side of the switch cabinet door through a first fixing screw hole, the lock core of the lock head is fixed on the first fixing portion, and the second fixing portion extends vertically into the interior of the switch cabinet body, and a second fixing screw hole is respectively provided at the upper end and the lower end of the second fixing portion.

[0009] Preferably, it also includes a first opening and closing member, which includes a third fixing portion and a first opening and closing portion, the third fixing portion and the first opening and closing portion are hinges perpendicular to each other, the third fixing portion is in contact with the inner side of the second fixing portion of the first fixing member, and a transverse waist-shaped hole corresponding to the position of the second fixing screw hole is provided at the upper and lower ends of the third fixing portion, and the first opening and closing member can be laterally slidably installed on the second fixing portion of the first fixing member by screws.

[0010] 14. The repairing kit for automotive dents, according to claim 13, wherein the foot stand comprises a through-hole, and the two foot pieces comprise two bosses, wherein the bosses comprise a through-hole, a screw bolt, and a nut. The bosses comprise a through-hole, a screw bolt, and a nut. The bosses comprise a through-hole, a screw bolt, and a nut.

[0011] Preferably, a second opening and closing piece is provided on the switch cabinet body at a corresponding position of the first opening and closing piece, and the second opening and closing piece includes a second opening and closing portion. When the switch cabinet door is fully closed, the first opening and closing portion of the first opening and closing piece is in contact with the second opening and closing portion of the second opening and closing piece.

[0012] Preferably, a limit portion is provided at the end of the lock tongue, and the key is inserted into the lock core of the lock head and the lock core of the lock head is rotated, and the lock tongue rotates with the lock core, and the limit portion is rotated from a vertical upward state to a horizontal state, and the limit portion in the horizontal state is parallel to the first opening and closing portion of the first opening and closing member and is arranged at intervals; if the switch cabinet door is not fully closed, the limit portion is blocked by the second opening and closing portion of the second opening and closing member during the process of rotating from the vertical upward state to the horizontal state and cannot be rotated; if the switch cabinet door is fully closed, the first opening and closing portion of the first opening and closing member of the switch cabinet door is in contact with one side surface of the second opening and closing portion of the second opening and closing member of the switch cabinet cabinet body, and the limit portion is rotated from a vertical upward state to a horizontal state, and the limit portion is in contact with the other side surface of the second opening and closing portion of the switch cabinet cabinet body, so that the lock head can be rotated to lock the switch cabinet door, and the lock head is in the closed state, at this time the key can be pulled out.

[0013] Beneficial effects

[0014] The utility model provides a switch cabinet door interlock device, which can be pre-processed and installed on the switch cabinet door. The installation method is simple, ensuring the speed, stability and reliability during on-site debugging, and ensuring the high efficiency and economy of the switch cabinet door interlock device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The present invention is a schematic diagram of the arrangement of the switch cabinet door interlocking device installed on the switch cabinet door.

[0016] Figure 2 This is a front structural diagram of the switch cabinet door interlocking device involved in the utility model.

[0017] Figure 3 This is a schematic diagram of the reverse structure of the switch cabinet door interlocking device involved in the utility model.

[0018] Figure 4 The present invention is a schematic structural diagram of the elastic component of the switch cabinet door interlocking device.

[0019] Figure 5 This is a structural schematic diagram of the second opening and closing member of the switch cabinet body involved in the utility model.

[0020] Figure 6 This is a schematic diagram of the switch cabinet door interlock device involved in the utility model when the switch cabinet door is in a fully closed state. DETAILED DESCRIPTION

[0021] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are also within the scope of protection of the present invention.

[0023] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0024] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer" and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is typically placed when in use. These terms are intended solely to facilitate the description of this utility model and to simplify the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are used solely to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0025] Furthermore, terms such as "horizontal" and "vertical" do not necessarily mean that a component must be absolutely horizontal or overhanging, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but rather that it can be slightly tilted.

[0026] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0027] To this end, the following solutions are proposed:

[0028] See also Figure 1 The present invention provides a door interlocking device 200, which is installed on a cabinet door 01A of a switch cabinet 01, such as a cabinet door of a switch cabinet transformer cabinet.

[0029] The door interlock device 200 provided by the present invention includes a lock head 210 with an open state and a closed state. When the key is inserted into the lock head 210 and the lock head 210 is rotated, if the switch cabinet 01 door 01A is not completely closed, the lock head 210 cannot be rotated. If the switch cabinet 01 door 01A is completely closed, the lock head 210 can be rotated to lock the switch cabinet 01 door 01A. The lock head 210 is in the closed state, and the key can be pulled out at this time.

[0030] Further, combined with Figure 2 and Figure 3 In the door interlock device 200 of the present invention, the lock head 210 includes a lock core 211 and a lock tongue 212 connected to the lock core 211. The lock tongue 212 can rotate together with the lock core 211. The lock tongue 212 is located on the inner side of the cabinet door 01A of the switch cabinet 01.

[0031] Furthermore, the door interlocking device 200 provided by the present invention further includes a first fixing member 220 , which is fixed to the inner side of the cabinet door 01A of the switch cabinet 01 , and the lock core 211 of the lock cylinder 210 is fixed to the first fixing member 220 .

[0032] Specifically, in the door interlock device 200 of the present invention, the first fixing member 220 includes a first fixing portion 221 and a second fixing portion 222. The first fixing portion 221 and the second fixing portion 222 are hinges perpendicular to each other. The first fixing portion 221 is in contact with the cabinet door 01A of the switch cabinet 01 and is fixed to the inner side of the cabinet door 01A of the switch cabinet 01 through the first fixing screw hole 221a. The lock core 211 of the lock head 210 is fixed on the first fixing portion 221. The second fixing portion 222 extends vertically toward the interior of the cabinet body of the switch cabinet 01. A second fixing screw hole 222a is provided at the upper end and the lower end of the second fixing portion 222.

[0033] Furthermore, the door interlock device 200 provided by the present invention also includes a first opening and closing member 230, which includes a third fixing portion 231 and a first opening and closing portion 232. The third fixing portion 231 and the first opening and closing portion 232 are hinges that are perpendicular to each other. The third fixing portion 231 is fitted with the inner side of the second fixing portion 222 of the first fixing member 220. A horizontal waist-shaped hole 231a corresponding to the position of the second fixing screw hole 222a is provided at the upper and lower ends of the third fixing portion 231. The first opening and closing member 230 can be laterally slidably installed on the second fixing portion 222 of the first fixing member 220 by screws.

[0034] Further, combined with Figure 2 、 Figure 3 and Figure 4The door interlock device 200 provided by the present invention further includes an elastic component 240, which includes a second fixing member 241 and an elastic member 242. Specifically, the second fixing member 241 includes a fourth fixing portion 241a and a fifth fixing portion 241b. The fourth fixing portion 241a and the fifth fixing portion 241b are hinged vertically to each other. The fourth fixing portion 241a is in contact with the outer side of the second fixing portion 222 of the first fixing member 220 and is fixed to the outer side of the second fixing portion 222 of the first fixing member 220 through a third fixing screw hole 241c. The elastic member 242 can be elastically slidably arranged on the fifth fixing portion 241b of the second fixing member 241. The elastic member 242 includes a top rod 242a and a compression spring 242b sleeved on the top rod 242a. The top rod 242a can be slidably and vertically penetrated on the fifth fixing portion 241b of the second fixing member 241. One end of the top rod 242a is provided with a stop portion 242c, and one end of the compression spring 242b abuts on the stop portion 242c and the other end abuts on the fifth fixing portion 241b of the second fixing member 241, so that the compression spring 242b is compressed between the fifth fixing portion 241b of the second fixing member 241 and the stop portion 242c of the top rod 242a, and the stop portion 242c of the top rod 242a abuts on the first opening and closing portion 232 of the first opening and closing member 230, so that the first opening and closing member 230 can elastically move in the opening and closing direction of the switch cabinet 01 cabinet door 01A.

[0035] In the present invention, the door interlocking device 200 of the present invention is installed on the cabinet door 01A of the switch cabinet 01, such as Figure 5 As shown, a second opening and closing member 300 is provided on the cabinet body of the switch cabinet 01 at a corresponding position of the first opening and closing member 230 of the door interlocking device 200. The second opening and closing member 300 includes a second opening and closing portion 301. When the cabinet door 01A of the switch cabinet 01 is fully closed, the first opening and closing portion 232 of the first opening and closing member 230 is in contact with the second opening and closing portion 301 of the second opening and closing member 300.

[0036] In the door interlock device 200 of the present invention, the lock head 210 includes a lock core 211 and a lock tongue 212 connected to the lock core 211. A limiting portion 212a is provided at the end of the lock tongue 212. When the key is inserted into the lock core 211 of the lock head 210 and the lock core 211 of the lock head 210 is rotated, the lock tongue 212 rotates with the lock core 211, and the limiting portion 212a rotates from a vertical upward state to a horizontal state. The limiting portion 212a in the horizontal state is parallel to the first opening and closing portion 232 of the first opening and closing member 230 and is arranged at intervals. If the switch cabinet 01 door 01A is not completely closed, the limiting portion 212a is blocked by the second opening and closing portion 301 of the second opening and closing member 300 during the process of rotating from the vertical upward state to the horizontal state and cannot be rotated; if the switch cabinet 01 door 01A is completely closed, the first opening and closing portion 232 of the first opening and closing member 230 of the switch cabinet 01 door 01A is in contact with one side of the second opening and closing portion 301 of the second opening and closing member 300 of the switch cabinet 01 cabinet body, and the limiting portion 212a is rotated from the vertical upward state to the horizontal state, and the limiting portion 212a is in contact with the other side of the second opening and closing portion 301 of the switch cabinet 01 cabinet body, then the lock head 210 can be rotated to lock the switch cabinet 01 door 01A, and the lock head 210 is in the closed state (such as Figure 6 The key can now be removed.

[0037] In the door interlock device 200 of the present invention, the arrangement of the elastic component 240 enables the first opening and closing member 230 to elastically move in the opening and closing direction of the switch cabinet 01 door 01A. After the switch cabinet 01 door 01A is completely closed, the key is inserted into the lock core 211 of the lock head 210 and the lock core 211 of the lock head 210 is rotated. The lock tongue 212 rotates along with the lock core 211, and the limiting portion 212a rotates from the vertical upward state to the horizontal state. Even if the interval between the limiting portion 212a in the horizontal state and the first opening and closing portion 232 of the first opening and closing member 230 is smaller than the switch cabinet door 01A, the lock tongue 212 rotates along with the lock core 211. The thickness of the second opening and closing part 301 of the switch cabinet 01 cabinet body, the first opening and closing member 230 can be elastically moved in the opening and closing direction of the switch cabinet 01 cabinet door 01A, so that the limiting part 212a can lock the second opening and closing part 301 of the switch cabinet 01 cabinet body and the first opening and closing part 232 of the first opening and closing member 230 of the switch cabinet 01 cabinet door 01A through this elastic movement when it is rotated to the horizontal state. In this way, the cumulative error of the installation is corrected, making the installation and transmission of the device more flexible, and the compression spring 242b in the compressed state in the elastic component 240 can also further strengthen the locking state of the two.

[0038] The door interlock device 200 provided by the present invention, including the lock head 210, the first fixing member 220, the first opening and closing member 230, and the elastic component 240, can be pre-processed and installed on the switch cabinet 01 door 01A. The installation method is simple, ensuring the speed, stability and reliability during the on-site debugging process. The installer does not need to wait until the mechanism is installed on the cabinet before installation, which shortens the processing cycle.

[0039] The door interlock device 200 provided by the present invention can be connected and fixed with loose fasteners to ensure smooth rotation of the components without any jamming. The overall design is concealed, and the internal structure of the entire interlock device cannot be seen from the outside.

[0040] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A switch cabinet door interlocking device, installed on the cabinet door of the switch cabinet, characterized in that: The invention comprises a lock head with an open state and a closed state. The key is inserted into the lock head and rotated. If the switch cabinet door is not completely closed, the lock head cannot be rotated. If the switch cabinet door is completely closed, the lock head can be rotated to lock the switch cabinet door. The lock head is in the closed state and the key can be pulled out at this time.

2. The switch cabinet door interlocking device according to claim 1, characterized in that: The lock head includes a lock core and a lock tongue connected to the lock core. The lock tongue can rotate together with the lock core, and the lock tongue is located on the inner side of the switch cabinet door.

3. The switch cabinet door interlocking device according to claim 2, characterized in that: It also includes a first fixing member, which is fixed to the inner side of the switch cabinet door, and the lock core of the lock head is fixed on the first fixing member.

4. The switch cabinet door interlocking device according to claim 3, characterized in that: The first fixing member includes a first fixing portion and a second fixing portion, the first fixing portion and the second fixing portion are hinges perpendicular to each other, the first fixing portion is in contact with the switch cabinet door and is fixed to the inner side of the switch cabinet door through a first fixing screw hole, the lock core of the lock head is fixed on the first fixing portion, and the second fixing portion extends vertically into the interior of the switch cabinet body, and a second fixing screw hole is respectively provided at the upper end and the lower end of the second fixing portion.

5. The switch cabinet door interlocking device according to claim 4, characterized in that: It also includes a first opening and closing piece, which includes a third fixing portion and a first opening and closing portion. The third fixing portion and the first opening and closing portion are hinges that are perpendicular to each other. The third fixing portion is in contact with the inner side of the second fixing portion of the first fixing piece. A waist-shaped hole corresponding to the position of the second fixing screw hole is provided at the upper and lower ends of the third fixing piece. The first opening and closing piece can be laterally slidably installed on the second fixing portion of the first fixing piece by screws.

6. The switch cabinet door interlocking device according to claim 5, characterized in that: and a third fixing portion being fixed to the outer side of the second fixing portion of the first fixing portion and fixed to the outer side of the second fixing portion of the first fixing portion through a third fixing screw hole; the elastic member can be elastically slidably arranged on the fifth fixing portion of the second fixing portion of the second fixing portion, and the elastic member includes a top rod and a compression spring sleeved on the top rod, the top rod can be slidably and vertically passed through the fifth fixing portion of the second fixing portion, one end of the top rod is provided with a stop portion, one end of the compression spring abuts on the stop portion, and the other end abuts on the fifth fixing portion of the second fixing portion, and the stop portion of the top rod abuts on the first opening and closing portion of the first opening and closing member, so that the first opening and closing member can elastically move in the opening and closing direction of the switch cabinet door.

7. The switch cabinet door interlocking device according to claim 6, characterized in that: A second opening and closing member is provided on the switch cabinet body at a corresponding position of the first opening and closing member. The second opening and closing member includes a second opening and closing portion. When the switch cabinet door is fully closed, the first opening and closing portion of the first opening and closing member fits into the second opening and closing portion of the second opening and closing member.

8. The switch cabinet door interlocking device according to claim 7, characterized in that: The lock cylinder is locked and the lock cylinder is unlocked, and the lock cylinder is unlocked, and the lock cylinder is unlocked, and the lock cylinder is unlocked, and the lock cylinder is unlocked, and the lock cylinder is unlocked.

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