Mechanical interlocking device for electrical equipment

Abstract

The utility model relates to the technical field of mechanical interlocking devices, and discloses a mechanical interlocking device for electrical equipment, which comprises a power supply shell, two power supplies are symmetrically and fixedly arranged in the power supply shell, the output ends of the two power supplies penetrate through the power supply shell and are provided with output contacts, and the upper end face of the power supply shell is fixedly connected with a fixed shell. An input contact is fixedly connected to the interior of the fixed shell and is symmetrical to the output contact, a sliding groove is formed in the inner side of the input contact, the sliding groove is slidably connected with a rotating disc, a telescopic rod is arranged in the rotating disc, a spring is fixedly arranged in the telescopic rod, and one end of the telescopic rod is fixedly connected with a conductive block; the lower end face of the conductive block is provided with a magnetic attraction limiting block, and the rotary disc is fixedly connected with a rotary knob, so that rapid switching between the main power supply and the standby power supply is achieved, the circuit safety problem caused by simultaneous connection is avoided, meanwhile, the sealing performance of the device is improved, and the electrostatic problem is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical interlocking devices, in particular to a mechanical interlocking device for electrical equipment. Background Art

[0002] In power supply systems, especially low-voltage power distribution systems (such as factories, schools or hospitals, etc.), dual power supplies (main power supply and backup power supply) are usually used to ensure the reliability of power required for production or daily work. However, it is impossible for the two power supplies of the dual power supply circuit to supply power at the same time, otherwise it will cause a short circuit in the circuit and cause serious safety accidents.

[0003] The patent with the published authorization announcement number CN211150364U discloses a mechanical interlocking device for electrical equipment, including a mounting frame, two power supplies are installed in the mounting frame, the output ends of the two power supplies are arranged through the mounting frame, an inverted "U"-shaped fixing frame is installed on the upper end of the mounting frame, a joint is installed at the position of the fixing frame corresponding to the output end of the power supply, and two contacts are connected in the fixing frame through an interlocking mechanism; the interlocking mechanism includes a moving plate, a sliding rod, a channel and a pull rod, two contacts are arranged through the moving plate, the upper and lower ends of one of the contacts are respectively against the output end and the joint of one of the power supplies, two sliding rods are symmetrically fixedly connected to the two ends of the moving plate, one end of the sliding rod away from the moving plate is arranged through the fixing frame, and is slidably connected to the fixing frame, and the channel is opened at the upper end of the fixing frame. The utility model prevents the two power supplies from being connected at the same time, which can effectively avoid accidents.

[0004] During the use of the above device, when switching the power supply, the push-pull design may cause the connection to be not tight enough, which may cause damage to the circuit, and the device has poor sealing, which may cause dust to enter and cause static electricity. For this reason, we provide a technical solution to solve this technical problem. Utility Model Content

[0005] The purpose of the utility model is to provide a mechanical interlocking device for electrical equipment, which solves the problems raised in the background technology.

[0006] The embodiment of the present application provides a mechanical interlocking device for electrical equipment, including a power supply housing;

[0007] Two power supplies are symmetrically fixedly installed inside the power supply shell, and the two power supply output ends are provided with output contacts through the power supply shell. The upper end face of the power supply shell is fixedly connected to a fixed shell, and the fixed shell is fixedly connected to an input contact and is symmetrical with the output contact. A slide groove is provided on the inner side of the input contact, and a turntable is slidably connected to the slide groove. A telescopic rod is provided inside the turntable, and a spring is fixedly provided inside the telescopic rod. A conductive block is fixedly connected to one end of the telescopic rod, and a magnetic limit block is provided on the lower end face of the conductive block. The turntable is fixedly connected to a knob.

[0008] By adopting the above technical solution, a sliding connection between the input contacts and the output contacts is achieved by setting a slide groove, a telescopic rod and a knob, so as to realize rapid switching between the main power supply and the backup power supply, avoid circuit safety problems caused by simultaneous connection, and at the same time improve the sealing of the device, prevent dust from entering, avoid static electricity problems, and improve the practicality of the device.

[0009] Optionally, a plurality of support pads are symmetrically arranged on the outer lower end surface of the power supply housing.

[0010] By adopting the above technical solution and providing a support pad, the stable placement of the device is ensured, thereby effectively improving the safety of using the device.

[0011] Optionally, ventilation holes are symmetrically provided on both sides of the power supply housing.

[0012] By adopting the above technical solution, the power supply is cooled by providing ventilation holes, thereby avoiding high temperature during use, and effectively improving the safety of the device.

[0013] Optionally, according to the mechanical interlocking device for electrical equipment, it is characterized in that an indicator light is provided on the front side of the outer side of the fixed shell at a position symmetrical to the input contact.

[0014] By adopting the above technical solution, the use of the power supply can be easily observed by setting the indicator light, which effectively improves the convenience of using the device.

[0015] Optionally, a door is hinged on the front of the power supply housing, and a handle is fixedly connected to the front of the door.

[0016] By adopting the above technical solution and connecting the handle to the box door, it is possible to make opening the box door more convenient, thereby effectively improving the practicality of the device.

[0017] Optionally, fixing frames are symmetrically fixedly connected to both sides of the outside of the power supply and are fixedly connected to the power supply shell.

[0018] By adopting the above technical solution, the stability of the battery inside the battery shell is ensured through the connection between the shell, the fixing frame and the battery, thereby improving the safety of the device.

[0019] Compared with the prior art, the beneficial effects of the technical solution of the present application are as follows: by adopting the above technical solution, a sliding connection between the input contacts and the output contacts is realized by setting a slide groove, a telescopic rod and a knob, so as to realize rapid switching between the main power supply and the backup power supply, avoiding circuit safety problems caused by simultaneous connection, and at the same time improving the sealing of the device, preventing dust from entering, avoiding static electricity problems, and improving the practicality of the device.

[0020] Ventilation holes are provided to dissipate heat from the power supply, thereby avoiding high temperatures during use of the power supply and effectively improving the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0022] Figure 1 This is a schematic diagram of the structure of a mechanical interlocking device for electrical equipment according to the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of a mechanical interlocking device for electrical equipment according to the utility model;

[0024] Figure 3 The utility model is a structural schematic diagram of a mechanical interlocking device for electrical equipment.

[0025] In the figure: 1. power supply housing; 2. power supply; 3. output contact; 4. fixed housing; 5. input contact; 6. slide slot; 7. turntable; 8. spring; 9. telescopic rod; 10. conductive block; 11. magnetic limit block; 12. knob; 13. vent; 14. fixing bracket; 15. support pad; 16. indicator light; 17. box door; 18. handle. DETAILED DESCRIPTION

[0026] See also Figure 1-3 The utility model provides a technical solution: a mechanical interlocking device for electrical equipment, including a power supply shell 1, two power supplies 2 are symmetrically fixedly installed inside the power supply shell 1, and the output ends of the two power supplies 2 are provided with output contacts 3 through the power supply shell 1, and the upper end surface of the power supply shell 1 is fixedly connected with a fixed shell 4, and the fixed shell 4 is fixedly connected with an input contact 5 and is symmetrical with the output contact 3. A slide groove 6 is provided inside the input contact 5, and a turntable 7 is slidably connected with the slide groove 6. A telescopic rod 9 is provided inside the turntable 7, and a spring 8 is fixed inside the telescopic rod 9. A conductive block 10 is fixedly connected to one end of the telescopic rod 9, and a magnetic limit block 11 is provided on the lower end surface of the conductive block 10, and a knob 12 is fixedly connected to the turntable 7. In this way, the two power supplies will not be connected at the same time, and rapid switching can be guaranteed when a problem occurs in the circuit, thereby improving the safety of power use.

[0027] In this technical solution, Figure 1 As shown, a plurality of support pads 15 are symmetrically arranged on the outer lower end surface of the power supply housing 1. The support pads are arranged to ensure the stable placement of the device, thereby effectively improving the safety of the device.

[0028] In some technical solutions, such as Figure 1 As shown, ventilation holes 13 are symmetrically provided on both sides of the power supply housing 1. The ventilation holes are provided to dissipate heat from the power supply, thereby avoiding high temperature during use and effectively improving the safety of the device.

[0029] In some technical solutions, such as Figure 2 As shown, an indicator light 16 is provided on the front side of the fixed shell 4 and symmetrically to the input contact 5. By providing the indicator light, it is convenient to observe the use of the power supply, which effectively improves the convenience of using the device.

[0030] In some technical solutions, such as Figure 2 As shown, a door 17 is hinged on the front of the power supply housing 1, and a handle 18 is fixedly connected to the front of the door 17, which can make it easier to open the door and effectively improve the practicality of the device.

[0031] In some technical solutions, such as Figure 2 As shown, the fixing frames 14 are symmetrically fixedly connected to the two sides of the power source 2 and are fixedly connected to the power source shell 1. The stability of the battery inside the battery shell is ensured, and the safety of the device is improved.

[0032] When in use, firstly, the stability of the device can be ensured by setting the support pad 15, and the power supply can be fixed by setting the fixing frame 14 to make the power supply more stable in the device. The power supply can be cooled by setting the vent 13 to avoid high temperature problems during use. The device can realize fast switching of power by setting the knob 12, and the box door 18 can be opened more conveniently to improve the practicality of the device. The indicator light 16 can realize precise control of power conversion to improve the practicality of the device.

Claims

1. A mechanical interlocking device for electrical equipment, characterized in that: The invention comprises a power supply shell (1), wherein two power supplies (2) are symmetrically fixedly installed inside the power supply shell (1), and the output ends of the two power supplies (2) are provided with output contacts (3) through the power supply shell (1), and the upper end surface of the power supply shell (1) is fixedly connected to a fixed shell (4), and the fixed shell (4) is fixedly connected to an input contact (5) inside and is symmetrical with the output contact (3), and a slide groove (6) is provided inside the input contact (5), and a rotating disk (7) is slidably connected to the slide groove (6), and a telescopic rod (9) is provided inside the rotating disk (7), and a spring (8) is fixedly provided inside the telescopic rod (9), and one end of the telescopic rod (9) is fixedly connected to a conductive block (10), and the lower end surface of the conductive block (10) is provided with a magnetic limit block (11), and the rotating disk (7) is fixedly connected to a knob (12).

2. A mechanical interlocking device for electrical equipment according to claim 1, characterized in that: The power source (2) is symmetrically and fixedly connected to fixing frames (14) on both sides of its exterior and is fixedly connected to the power source housing (1).

3. A mechanical interlocking device for electrical equipment according to claim 1, characterized in that: A plurality of support pads (15) are symmetrically arranged on the outer lower end surface of the power supply housing (1).

4. A mechanical interlocking device for electrical equipment according to claim 1, characterized in that: Ventilation openings (13) are symmetrically provided on both sides of the power supply housing (1).

5. A mechanical interlocking device for electrical equipment according to claim 1, characterized in that: An indicator light (16) is provided on the front side of the outer side of the fixed shell (4) at a position symmetrical to the input contact (5).

6. A mechanical interlocking device for electrical equipment according to claim 1, characterized in that: The power supply housing (1) has a box door (17) hingedly connected to the front thereof, and the box door (17) has a handle (18) fixedly connected to the front thereof.

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