Electric key for emergency door opening and closing of electric cabinet

Abstract

The utility model provides an electric motor cabinet emergency door opening and closing electric key, which relates to the field of electric motor cabinet emergency door opening and closing, and comprises a key unit, one side of the key unit is provided with a connecting unit, the key unit comprises a protective shell, one side of the protective shell is provided with a shell cover, and one side of the shell cover is fixedly connected with an electric push rod; the protective shell is taken to drive the connecting shaft to be aligned with the inner cavity of the linkage shaft, the output end of the electric push rod can drive the movable disc to move towards one side, the movable disc drives the servo motor and the connecting shaft to move towards one side, and then the connecting shaft can enter the linkage shaft. Meanwhile, the output shaft of the servo motor can drive the connecting shaft to rotate, the connecting shaft can drive the linkage shaft to rotate, the linkage shaft drives the coding motor to rotate to achieve the purpose of emergency door opening and closing, automatic operation is achieved in the whole process, time and manpower are greatly saved, and convenience of door opening and closing is improved.

Description

Technical Field

[0001] The utility model belongs to the field of emergency switch doors of electric cabinets, in particular to an electric key for emergency switch doors of electric cabinets. Background Art

[0002] The electromagnetic shielding cabinet for electric doors is a device used to control and manage electric doors. It is usually used in places with high security requirements, such as financial institutions, commercial buildings, government agencies, etc. The electromagnetic shielding cabinet for electric doors is an important part of the modern building safety management system.

[0003] When an electric door electromagnetic shielding cabinet needs to open the door in an emergency, the keyhole is first exposed, and then the motor and the transmission connecting rod are disassembled through the small round hole on the keyhole. Then, a person takes a steel rod to knock, hit or pry the door open. However, when the motor and the transmission connecting rod are disassembled and then knocked, hit or pried with a steel rod to open the door, it not only consumes a lot of physical strength of the personnel, but also takes a long time to open the door, thereby reducing the efficiency of emergency door opening.

[0004] In summary, the utility model provides an electric key for emergency switch door of an electric cabinet to solve the above problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] An electric key for an emergency switch door of an electric cabinet comprises a key unit, a connecting unit is arranged on one side of the key unit, the key unit comprises a protective shell, a shell cover is arranged on one side of the protective shell, an electric push rod is fixedly connected to one side of the shell cover, a movable disk is movably connected to the inner cavity of the protective shell, an output end of the electric push rod contacts one side of the movable disk, a servo motor is fixedly connected to one side of the movable disk, and the output shaft of the servo motor is transmission-connected to a connecting shaft, the connecting unit comprises an encoding motor, and a linkage shaft is arranged on the tail shaft of the encoding motor.

[0007] Furthermore, in the utility model, one end of the connecting shaft away from the servo motor extends to the inner cavity of the linkage shaft and is movably connected to the inner cavity of the linkage shaft, and a control button is provided on the top of the protective shell.

[0008] Furthermore, in the utility model, a spring is fixedly connected to one side of the movable disk, a fixed disk is fixedly connected to one side of the inner cavity of the protective shell, one end of the spring away from the movable disk is fixedly connected to the fixed disk, and the connecting shaft passes through the inner cavity of the fixed disk and is movably connected to the inner cavity of the fixed disk.

[0009] Furthermore, in the utility model, the bottom of the movable disk is fixedly connected to a limiting block, the bottom of the inner cavity of the protective shell is provided with a limiting groove, the bottom of the limiting block extends to the inner cavity of the limiting groove and is slidably connected to the inner cavity of the limiting groove.

[0010] Furthermore, in the utility model, a connecting ring is fixedly connected to one side of the shell cover, and an end of the connecting ring away from the shell cover extends to the inner cavity of the protective shell and is threadedly connected to the inner cavity of the protective shell.

[0011] Furthermore, in the utility model, a sealing ring is fixedly connected to the surface of the connecting ring, one side of the sealing ring is fixedly connected to the shell cover, and the other side of the sealing ring is in contact with the protective shell.

[0012] Beneficial effects: The utility model has the following beneficial effects:

[0013] The utility model takes the protective shell, and the protective shell drives the connecting shaft to align with the inner cavity of the linkage shaft. The output end of the electric push rod can drive the movable disk to move to one side, and the movable disk drives the servo motor and the connecting shaft to move to one side, so that the connecting shaft can enter the interior of the linkage shaft. At the same time, the output shaft of the servo motor can drive the connecting shaft to rotate, and the connecting shaft can drive the linkage shaft to rotate, so as to support the encoder motor to rotate through the linkage shaft to achieve the purpose of emergency door opening and closing. The whole process is automated, which greatly saves time and manpower and improves the convenience of opening and closing the door. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the encoder motor of the utility model when viewed from the right;

[0016] Figure 3 This is a schematic diagram of the structure of the protective shell of the utility model in a cutaway state;

[0017] Figure 4 This utility model Figure 3 A schematic diagram of the partially enlarged structure at center A;

[0018] Figure 5 The utility model is a schematic diagram of the connection structure of the shell cover and the electric push rod.

[0019] In the figure:

[0020] 1. Key unit; 11. Protective shell; 111. Limiting groove; 12. Shell cover; 121. Connecting ring; 122. Sealing ring; 13. Electric push rod; 14. Movable disk; 141. Limiting block; 15. Servo motor; 16. Connecting shaft; 17. Spring; 171. Fixed disk; 2. Connecting unit; 21. Encoding motor; 22. Linkage shaft. DETAILED DESCRIPTION

[0021] In order to better understand the technical content of the utility model, specific embodiments are cited and described as follows in conjunction with the accompanying drawings. In this disclosure, various aspects of the utility model are described with reference to the accompanying drawings, and many illustrative embodiments are shown in the accompanying drawings. The embodiments of the present disclosure are not necessarily defined to include all aspects of the utility model. It should be understood that the various concepts and embodiments introduced above, as well as those described in more detail below, can be implemented in any of many ways, because the concepts and embodiments disclosed in the utility model are not limited to any implementation method. In addition, some aspects disclosed in the utility model can be used alone, or used in any appropriate combination with other aspects disclosed in the utility model.

[0022] Example 1

[0023] like Figure 1-5 As shown, it is the first embodiment of the utility model, which provides an electric key for an emergency switch door of an electric cabinet, including a key unit 1, a connecting unit 2 is arranged on one side of the key unit 1, the key unit 1 includes a protective shell 11, a shell cover 12 is arranged on one side of the protective shell 11, an electric push rod 13 is fixedly connected to one side of the shell cover 12, the inner cavity of the protective shell 11 is movably connected to a movable disk 14, the output end of the electric push rod 13 is in contact with one side of the movable disk 14, a servo motor 15 is fixedly connected to one side of the movable disk 14, and the output shaft of the servo motor 15 is transmission-connected to a connecting shaft 16, the connecting unit 2 includes an encoding motor 21, and the tail shaft of the encoding motor 21 is provided with a linkage shaft 22.

[0024] like Figure 1-5 As shown, the protective shell 11 drives the connecting shaft 16 to align with the inner cavity of the linkage shaft 22, and the output end of the electric push rod 13 can drive the movable disk 14 to move to one side, and the movable disk 14 drives the servo motor 15 and the connecting shaft 16 to move to one side, so that the connecting shaft 16 can enter the interior of the linkage shaft 22, and at the same time, the output shaft of the servo motor 15 can drive the connecting shaft 16 to rotate, and the connecting shaft 16 can drive the linkage shaft 22 to rotate, so that the encoding motor 21 is driven to rotate through the linkage shaft 22 to achieve the purpose of emergency door opening and closing. The whole process is automated, which greatly saves time and manpower and improves the convenience of opening and closing the door.

[0025] Example 2

[0026] Reference Figure 1-3 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment.

[0027] In this embodiment, one end of the connecting shaft 16 away from the servo motor 15 extends to the inner cavity of the linkage shaft 22 and is movably connected to the inner cavity of the linkage shaft 22 . A control button is provided on the top of the protective shell 11 .

[0028] A spring 17 is fixedly connected to one side of the movable disk 14, and a fixed disk 171 is fixedly connected to one side of the inner cavity of the protective shell 11. The end of the spring 17 away from the movable disk 14 is fixedly connected to the fixed disk 171, and the connecting shaft 16 passes through the inner cavity of the fixed disk 171 and is movably connected to the inner cavity of the fixed disk 171.

[0029] like Figure 1-3 As shown, the control button can be used to conveniently control the opening or closing of the electrical equipment, and the fixed plate 171 can well provide limited support for the spring 17 to ensure the stability of the spring 17. At the same time, the reset elastic force of the spring 17 can well drive the movable plate 14, the servo motor 15 and the connecting shaft 16 to reset after opening and closing the door.

[0030] Example 3

[0031] Reference Figure 3-5 , which is the third embodiment of the utility model, and this embodiment is based on the previous two embodiments.

[0032] In this embodiment, the bottom of the movable disk 14 is fixedly connected to the limiting block 141, the bottom of the inner cavity of the protective shell 11 is provided with a limiting groove 111, the bottom of the limiting block 141 extends to the inner cavity of the limiting groove 111, and is slidably connected to the inner cavity of the limiting groove 111.

[0033] A connecting ring 121 is fixedly connected to one side of the shell cover 12 . An end of the connecting ring 121 away from the shell cover 12 extends to the inner cavity of the protective shell 11 and is threadedly connected to the inner cavity of the protective shell 11 .

[0034] A sealing ring 122 is fixedly connected to the surface of the connecting ring 121 . One side of the sealing ring 122 is fixedly connected to the shell cover 12 , and the other side of the sealing ring 122 is in contact with the protective shell 11 .

[0035] like Figure 3-5 As shown, the movable disk 14 will drive the limit block 141 to move to one side when it moves, and the limit block 141 will move along the inner cavity trajectory of the limit groove 111, thereby ensuring the stability of the movable disk 14 when it moves, and the shell cover 12 drives the connecting ring 121 to rotate with the inner cavity of the protective shell 11. By rotating the shell cover 12, the shell cover 12 can drive the connecting ring 121 to rotate and move toward the inner cavity of the protective shell 11, so that the connection between the protective shell 11 and the shell cover 12 can be achieved. The sealing ring 122 can well ensure the sealing of the connection between the shell cover 12 and the protective shell 11 to prevent external water or impurities from entering.

[0036] When in use, first take the protective shell 11, so that the protective shell 11 drives the connecting shaft 16 to align with the inner cavity of the linkage shaft 22, and start the electric push rod 13 by pressing the control button. The output end of the electric push rod 13 can drive the movable disk 14 to move to one side, and the movable disk 14 drives the servo motor 15, the connecting shaft 16 and the spring 17 to move to one side, so that the connecting shaft 16 can enter the interior of the linkage shaft 22, and the spring 17 is squeezed and compressed. Then, the servo motor 15 is started by pressing the control button, and the output shaft of the servo motor 15 can drive the connecting shaft 16 to rotate forward, and the connecting shaft 16 can drive the linkage shaft 22 to rotate, so as to support the encoder motor 21 to rotate through the linkage shaft 22 to achieve emergency. The purpose of opening the door is to start the servo motor 15 by pressing the control button. The output shaft of the servo motor 15 can drive the connecting shaft 16 to rotate in the opposite direction. The connecting shaft 16 can drive the linkage shaft 22 to rotate, so as to support the encoding motor 21 to rotate through the linkage shaft 22 to achieve the purpose of emergency door closing. After opening and closing the door, the control button is pressed again to start the electric push rod 13. The output end of the electric push rod 13 is reset to one side. At the same time, the spring 17 loses the extrusion force, and the spring 17 drives the movable disk 14 to reset to one side. The movable disk 14 drives the servo motor 15 and the connecting shaft 16 to reset, which is convenient for later reuse. The present application is fully automated, which greatly saves time and manpower and improves the convenience of opening and closing the door.

[0037] The standard parts used in this application document can all be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in the field. This application is mainly used to protect mechanical devices, so this application no longer explains the control method and circuit connection in detail.

[0038] Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. A person with ordinary knowledge in the technical field to which the present invention belongs may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be determined by the definition of the claims.

Claims

1. An electric key for emergency switch door of an electric cabinet, comprising a key unit (1), characterized in that: A connection unit (2) is provided on one side of the key unit (1), the key unit (1) comprises a protective shell (11), a shell cover (12) is provided on one side of the protective shell (11), an electric push rod (13) is fixedly connected to one side of the shell cover (12), an inner cavity of the protective shell (11) is movably connected to a movable disk (14), an output end of the electric push rod (13) contacts one side of the movable disk (14), a servo motor (15) is fixedly connected to one side of the movable disk (14), and an output shaft of the servo motor (15) is transmission-connected to a connection shaft (16), the connection unit (2) comprises an encoding motor (21), and a linkage shaft (22) is provided on the tail shaft of the encoding motor (21).

2. The electric key for emergency door opening and closing of an electric cabinet as claimed in claim 1, characterized in that: One end of the connecting shaft (16) away from the servo motor (15) extends to the inner cavity of the linkage shaft (22) and is movably connected to the inner cavity of the linkage shaft (22). A control button is provided on the top of the protective shell (11).

3. The electric key for emergency door opening and closing of an electric cabinet as claimed in claim 1, characterized in that: A spring (17) is fixedly connected to one side of the movable disk (14), a fixed disk (171) is fixedly connected to one side of the inner cavity of the protective shell (11), an end of the spring (17) away from the movable disk (14) is fixedly connected to the fixed disk (171), and the connecting shaft (16) passes through the inner cavity of the fixed disk (171) and is movably connected to the inner cavity of the fixed disk (171).

4. The electric key for emergency door opening and closing of an electric cabinet as claimed in claim 1, characterized in that: The bottom of the movable disk (14) is fixedly connected to a limiting block (141); the bottom of the inner cavity of the protective shell (11) is provided with a limiting groove (111); the bottom of the limiting block (141) extends to the inner cavity of the limiting groove (111) and is slidably connected to the inner cavity of the limiting groove (111).

5. The electric key for emergency door opening and closing of an electric cabinet as claimed in claim 1, characterized in that: A connecting ring (121) is fixedly connected to one side of the shell cover (12); an end of the connecting ring (121) away from the shell cover (12) extends to the inner cavity of the protective shell (11) and is threadedly connected to the inner cavity of the protective shell (11).

6. The electric key for emergency door opening and closing of an electric cabinet as claimed in claim 5, characterized in that: A sealing ring (122) is fixedly connected to the surface of the connecting ring (121); one side of the sealing ring (122) is fixedly connected to the shell cover (12), and the other side of the sealing ring (122) is in contact with the protective shell (11).

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