CN215069764U

CN215069764U - Mechanical interlocking device for electrical equipment

Info

Publication number: CN215069764U
Application number: CN202121110172.6U
Authority: CN
Inventors: 王德娇
Original assignee: Xingkai Electric Co ltd
Current assignee: Xingkai Electric Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-12-07
Anticipated expiration: 2031-05-24

Abstract

The utility model discloses a mechanical interlock for electrical equipment, including the containing box, the internally mounted of containing box has the baffle, and the inside of containing box is provided with main power source and stand-by power supply, main power source and stand-by power supply are located the both sides of baffle respectively, the last fixed surface of containing box has fixed axle and two conducting blocks, and rotates through the damping bearing on the fixed axle and install the sleeve, telescopic side is fixed with the digging arm. This a mechanical interlocking device for electrical equipment, through setting up rotatable digging arm, deuterogamy U-shaped current conducting plate and two conducting blocks, only need be connected the wire with the U-shaped current conducting plate, it makes the U-shaped current conducting plate and one of them conducting block contact can realize the switching of main power supply and stand-by power supply to rotate the digging arm again, and because damping bearing and contact structure's design, make the condition of contact failure can not appear in the use of whole device, be favorable to actual use.

Description

Mechanical interlocking device for electrical equipment

Technical Field

The utility model relates to an electrical equipment technical field especially relates to a mechanical interlock for electrical equipment.

Background

The important role played by electric power in life and production of people is not ignored, and is an important energy source in production and life of people, electric equipment is a general name of equipment such as a generator, a transformer, a power line, a circuit breaker and the like in a power system, and a mechanical interlocking device is a device for switching a main power supply and a standby power supply.

The mechanical interlocking device in the current market is designed by a drawing structure, namely, a main power supply and a standby power supply are switched and connected by pulling one conductive connector, and due to the structure, the connection between the conductive connector and the main power supply or the standby power supply electrode is not tight enough, so that the condition of poor contact is easy to occur.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides a mechanical interlock for electrical equipment has solved the mechanical interlock on the existing market and has adopted the structural design of pull formula, switches to connect main power supply and stand-by power supply through a electrically conductive connector of pulling promptly, and this kind of structure leads to being connected between electrically conductive connector and main power supply or the stand-by power supply electrode inseparable enough, appears the problem of the bad condition of contact easily.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a mechanical interlock for electrical equipment, includes the containing box, the internally mounted of containing box has the baffle, and the inside of containing box is provided with main power supply and stand-by power supply, main power supply and stand-by power supply are located the both sides of baffle respectively, the last fixed surface of containing box has fixed axle and two conducting blocks, and rotates through damping bearing on the fixed axle and install the sleeve, telescopic side is fixed with the digging arm, and installs U-shaped current conducting plate, two on the digging arm conducting block symmetric distribution is in the both sides of fixed axle, two conducting block respectively with main power supply and stand-by power supply electric connection.

Adopt above-mentioned scheme, through setting up rotatable digging arm, cooperate U-shaped current conducting plate and two conducting blocks again, only need be connected the wire with the U-shaped current conducting plate, rotate the digging arm again and make U-shaped current conducting plate and one of them conducting block contact can realize main power supply and stand-by power supply's switching, and because damping bearing and contact structure's design for the bad condition of contact can not appear in the use of whole device, is favorable to actual use.

Preferably, the upper surface fixed mounting of containing box has reference column one and reference column two, and the side of reference column one and reference column two has all been seted up and has been accomodate the groove, two the conducting block is installed respectively in the inside of two grooves of accomodating, one side of conducting block is provided with the elastic conductive component.

By adopting the scheme, the first positioning column and the second positioning column are arranged, and the accommodating groove for accommodating the conductive block is formed in the first positioning column and the second positioning column, so that the conductive block is effectively protected, and the safety of the device in the using process is improved.

Preferably, the elastic conductive assembly comprises a spring and a copper sheet, and two ends of the spring are respectively and fixedly connected with the conductive block and the copper sheet.

By adopting the scheme, the connection between the conductive block and the U-shaped conductive plate can be tighter by utilizing the elastic action of the spring through the arrangement of the spring and the copper sheet, and the tightness of actual connection is further improved.

Preferably, a telescopic rod is fixedly mounted on one side face of the conductive block, a universal ball is fixedly mounted at one end, far away from the conductive block, of the telescopic rod, and the rolling ball of the universal ball is fixedly connected with the copper sheet.

By adopting the scheme, the copper sheet can be inclined by arranging the telescopic rod and the universal ball, and the copper sheet can only perform linear motion, so that the copper sheet can be completely contacted with the U-shaped current conducting plate.

Preferably, a vent is formed in the side face of the storage box, and a dust screen is mounted inside the vent.

By adopting the scheme, the ventilation opening and the dustproof net are arranged, so that the heat dissipation of the main power supply and the standby power supply can be enhanced, and the dustproof function is also realized.

Preferably, the upper surface of the containing box is provided with a first screw hole and a second screw hole, the movable arm is provided with a screw rod in a threaded penetrating manner, the top of the outer side surface of the screw rod is fixedly provided with a sleeve, and the first screw hole and the second screw hole are both matched with the screw rod.

By adopting the scheme, the screw hole I and the screw hole II are arranged, and the screw rod is matched to limit the position of the movable arm, so that the copper sheet is ensured to be in full contact with the U-shaped conductive plate for a long time, and the use stability of the whole device is improved.

Compared with the prior art, the beneficial effects of the utility model are that:

according to the mechanical interlocking device for the electrical equipment, the rotatable movable arm is arranged, the U-shaped current conducting plate and the two current conducting blocks are matched, only the conducting wire is connected with the U-shaped current conducting plate, the movable arm is rotated again to enable the U-shaped current conducting plate to be in contact with one of the current conducting blocks, switching between a main power supply and a standby power supply can be achieved, and due to the design of the damping bearing and the contact structure, the situation of poor contact cannot occur in the use process of the whole device, so that the mechanical interlocking device is beneficial to actual use;

this a mechanical interlocking device for electrical equipment through setting up screw one and screw two, cooperates the effect of screw rod again for people can prescribe a limit to the position of digging arm, thereby ensures the long-time complete contact of copper sheet and U-shaped current conducting plate, has improved the stability in use of whole device.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

fig. 2 is a cross-sectional view of the positioning post i of the present invention;

fig. 3 is a cross-sectional view of the storage box of the present invention.

In the figure: 1. a storage box; 2. a partition plate; 3. a main power supply; 4. a standby power supply; 5. a fixed shaft; 6. a sleeve; 7. a first positioning column; 8. a second positioning column; 9. a first screw hole; 10. a second screw hole; 11. a movable arm; 12. a U-shaped conductive plate; 13. a vent; 14. a dust screen; 15. a conductive block; 16. a receiving groove; 17. a spring; 18. a copper sheet; 19. a telescopic rod; 20. a universal ball; 21. a sleeve; 22. a screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a mechanical interlocking device for electrical equipment comprises a storage box 1, a partition plate 2 is installed inside the storage box 1, a main power supply 3 and a standby power supply 4 are arranged inside the storage box 1, the main power supply 3 and the standby power supply 4 are respectively located on two sides of the partition plate 2, a fixed shaft 5 and two conductive blocks 15 are fixed on the upper surface of the storage box 1, a sleeve 6 is rotatably installed on the fixed shaft 5 through a damping bearing, a movable arm 11 is fixed on the side surface of the sleeve 6, a U-shaped conductive plate 12 is installed on the movable arm 11, the two conductive blocks 15 are symmetrically distributed on two sides of the fixed shaft 5, and the two conductive blocks 15 are respectively and electrically connected with the main power supply 3 and the standby power supply 4; through setting up rotatable digging arm 11, deuterogamy U-shaped current conducting plate 12 and two conducting blocks 15, only need to be connected the wire with U-shaped current conducting plate 12, it makes U-shaped current conducting plate 12 and one of them conducting block 15 contact can realize main power supply 3 and stand-by power supply 4's switching to rotate digging arm 11 again, and because damping bearing and contact structure's design for the bad condition of contact can not appear in the use of whole device, be favorable to actual use.

The upper surface of the containing box 1 is fixedly provided with a first locating column 7 and a second locating column 8, the side surfaces of the first locating column 7 and the second locating column 8 are respectively provided with a containing groove 16, two conductive blocks 15 are respectively arranged inside the two containing grooves 16, and one side of each conductive block 15 is provided with an elastic conductive component; through setting up reference column one 7 and reference column two 8 to set up the groove 16 of accomodating that is used for accomodating conducting block 15 on it, realized the effective protection to conducting block 15, improved the security of the device in the use.

The elastic conductive component comprises a spring 17 and a copper sheet 18, and two ends of the spring 17 are respectively fixedly connected with the conductive block 15 and the copper sheet 18; by providing the spring 17 and the copper sheet 18, the connection between the conductive block 15 and the U-shaped conductive plate 12 can be made tighter by the elastic force of the spring 17, and the tightness of the actual connection can be further improved.

One side surface of the conductive block 15 is fixedly provided with an expansion link 19, one end of the expansion link 19 far away from the conductive block 15 is fixedly provided with a universal ball 20, and a rolling ball of the universal ball 20 is fixedly connected with the copper sheet 18; by arranging the telescopic rod 19 and the universal ball 20, the copper sheet 18 can be inclined, and the copper sheet 18 can only move linearly, so that the copper sheet 18 can be completely contacted with the U-shaped conductive plate 12.

A ventilation opening 13 is formed in the side surface of the containing box 1, and a dustproof net 14 is installed inside the ventilation opening 13; by providing the ventilation opening 13 and the dust screen 14, heat dissipation to the main power supply 3 and the backup power supply 4 can be enhanced, and a dust-proof function can be provided.

The upper surface of the containing box 1 is provided with a first screw hole 9 and a second screw hole 10, a screw rod 22 penetrates through the movable arm 11 in a threaded manner, a sleeve 21 is fixed at the top of the outer side surface of the screw rod 22, and the first screw hole 9 and the second screw hole 10 are matched with the screw rod 22; through setting up screw one 9 and screw two 10, the effect of screw rod 22 is resumeed for people can inject the position of activity arm 11, thereby ensures the long-time complete contact of copper sheet 18 and U-shaped current conducting plate 12, has improved the stability in use of whole device.

In summary, in the use process of the mechanical interlocking device for electrical equipment, a lead needs to be fixedly connected with the U-shaped conductive plate 12, so that the electrical connection between the U-shaped conductive plate 12 and the electrical appliance can be realized, when the standby power supply 4 needs to be switched to the main power supply 3, the sleeve 21 is firstly gripped and the screw 22 is driven to rotate, so that the screw 22 is withdrawn from the inside of the screw hole one 9, and then the movable arm 11 is rotated after the completion of the operation, so that the U-shaped conductive plate 12 is separated from the conductive block 15 on the positioning column one 7, the U-shaped conductive plate 12 is contacted with the conductive block 15 on the positioning column two 8, and the screw 22 is rotated after the completion of the operation, so that the screw is connected to the inside of the screw hole two 10 in a threaded manner, the movable arm 11 is fixed, the operation is very simple, and the use stability of the whole device is also improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A mechanical interlocking device for electrical equipment is characterized by comprising a containing box (1), a partition plate (2) is arranged in the containing box (1), a main power supply (3) and a standby power supply (4) are arranged in the containing box (1), the main power supply (3) and the standby power supply (4) are respectively positioned at two sides of the clapboard (2), a fixed shaft (5) and two conductive blocks (15) are fixed on the upper surface of the containing box (1), a sleeve (6) is rotatably arranged on the fixed shaft (5) through a damping bearing, a movable arm (11) is fixed on the side surface of the sleeve (6), and the movable arm (11) is provided with a U-shaped conductive plate (12), the two conductive blocks (15) are symmetrically distributed on two sides of the fixed shaft (5), and the two conductive blocks (15) are respectively and electrically connected with the main power supply (3) and the standby power supply (4).

2. The mechanical interlocking device for the electrical equipment as claimed in claim 1, wherein a first positioning column (7) and a second positioning column (8) are fixedly mounted on the upper surface of the storage box (1), storage grooves (16) are formed in the side surfaces of the first positioning column (7) and the second positioning column (8), the two conductive blocks (15) are respectively mounted inside the two storage grooves (16), and an elastic conductive component is arranged on one side of each conductive block (15).

3. A mechanical interlock device for electrical equipment according to claim 2, wherein the resilient conductive member comprises a spring (17) and a copper sheet (18), and both ends of the spring (17) are fixedly connected to the conductive block (15) and the copper sheet (18), respectively.

4. The mechanical interlocking device for the electrical equipment is characterized in that a telescopic rod (19) is fixedly installed on one side face of the conductive block (15), a universal ball (20) is fixedly installed at one end, far away from the conductive block (15), of the telescopic rod (19), and a rolling ball of the universal ball (20) is fixedly connected with the copper sheet (18).

5. The mechanical interlocking device for the electrical equipment is characterized in that a ventilation opening (13) is formed in the side face of the containing box (1), and a dust screen (14) is installed inside the ventilation opening (13).

6. The mechanical interlocking device for the electrical equipment is characterized in that a first screw hole (9) and a second screw hole (10) are formed in the upper surface of the containing box (1), a screw rod (22) penetrates through the movable arm (11) in a threaded mode, a sleeve (21) is fixed to the top of the outer side face of the screw rod (22), and the first screw hole (9) and the second screw hole (10) are matched with the screw rod (22).