阅读说明：本技术 一种自动转换开关的操纵机构 (Operating mechanism of automatic change-over switch ) 是由 欧志文 欧嘉成 陈汝能 于 2020-11-12 设计创作，主要内容包括：本发明公开了一种自动转换开关的操纵机构,包括安装座,所述安装座的下端固定安装有壳体,所述壳体的上端开设有滑槽,所述滑槽内滑动连接有滑杆,所述滑杆的上端焊接有安装杆,所述安装座上开设有支撑槽,所述安装杆的末端焊接有压板,所述支撑槽内滑动套接有压板,所述支撑槽内设置有第一弹簧,所述壳体内焊接有支撑板,所述壳体内滑动套接有导杆,所述导杆的下端焊接有挡块,所述导杆的上端外侧固定套接有连接套,所述导杆的上端固定安装有金属块,所述支撑板的下端固定安装有电磁铁,所述电磁铁位于金属块的上方。本发明涉及一种自动转换开关的操纵机构,具有可靠性好和可以对电路进行过载保护的特点。(The invention discloses an operating mechanism of an automatic transfer switch, which comprises an installation seat, wherein a shell is fixedly installed at the lower end of the installation seat, a sliding groove is formed in the upper end of the shell, a sliding rod is connected in the sliding groove in a sliding mode, an installation rod is welded at the upper end of the sliding rod, a supporting groove is formed in the installation seat, a pressing plate is welded at the tail end of the installation rod, the pressing plate is sleeved in the supporting groove in a sliding mode, a first spring is arranged in the supporting groove, a supporting plate is welded in the shell, a guide rod is sleeved in the shell in a sliding mode, a stop block is welded at the lower end of the guide rod, a connecting sleeve is fixedly sleeved on the outer side of the upper end of the guide rod, a metal block is fixedly installed at. The invention relates to an operating mechanism of an automatic change-over switch, which has the characteristics of good reliability and capability of carrying out overload protection on a circuit.)

1. An operating mechanism of an automatic transfer switch comprises a mounting seat (1), and is characterized in that: the lower end of the mounting seat (1) is fixedly provided with a shell (2), the upper end of the shell (2) is provided with a sliding groove (4), the sliding groove (4) is internally connected with a sliding rod (5) in a sliding manner, the upper end of the sliding rod (5) is welded with a mounting rod (6), the mounting seat (1) is provided with a supporting groove (7), the tail end of the mounting rod (6) is welded with a pressing plate (8), the supporting groove (7) is internally sleeved with the pressing plate (8) in a sliding manner, the supporting groove (7) is internally provided with a first spring (9), the shell (2) is internally welded with a supporting plate (27), the shell (2) is internally sleeved with a guide rod (29) in a sliding manner, the lower end of the guide rod (29) is welded with a stop block (30), the outer side of the upper end of the guide rod (29) is fixedly sleeved, the lower end of the supporting plate (27) is fixedly provided with an electromagnet (41), and the electromagnet (41) is positioned above the metal block (32).

2. The operating mechanism of an automatic transfer switch according to claim 1, wherein: the outside of casing (2) is provided with chimb (3), there is mount pad (1) upper end through screwed connection of chimb (3).

3. The operating mechanism of an automatic transfer switch according to claim 1, wherein: the number of the supporting grooves (7) is two, the two supporting grooves (7) are symmetrically distributed in the mounting seat (1), and first springs (9) are arranged in the two supporting grooves (7).

4. The operating mechanism of an automatic transfer switch according to claim 1, wherein: one end of the first spring (9) is in contact connection with the mounting seat (1), and the other end of the first spring (9) is in contact connection with the pressing plate (8).

5. The operating mechanism of an automatic transfer switch according to claim 1, wherein: the lower end of the installation rod (6) is welded with the supporting blocks (10), the lower ends of the supporting blocks (10) are provided with limiting grooves (11), the number of the supporting blocks (10) is two, the two supporting blocks (10) are symmetrically distributed at the lower end of the installation rod (6), the lower ends of the two supporting blocks (10) are provided with the limiting grooves (11), the shell (2) is internally provided with a mounting groove (12), a second spring (13) is arranged in the mounting groove (12), the mounting groove (12) is sleeved with the jacking block (14) in a sliding manner, the number of the mounting groove (12) is two, the two mounting grooves (12) are symmetrically distributed at the upper end of the shell (2), the jacking blocks (14) are sleeved in the two mounting grooves (12) in a sliding manner, the jacking block (14) is clamped in the limiting groove (11), and the baffle plate (15) is sleeved in the, the lower extreme welding of baffle (15) has contact bar (16), the lower extreme fixed mounting of mounting groove (12) has contact (17).

6. The operating mechanism of an automatic transfer switch according to claim 5, wherein: the upper end of the second spring (13) is in contact connection with an ejector block (14), and the lower end of the second spring (13) is in contact connection with the shell (2).

7. The operating mechanism of an automatic transfer switch according to claim 1, wherein: the lower extreme welding of slide bar (5) has pinion rack (18), the upper end contact of pinion rack (18) is connected with casing (2), the front end fixed mounting of casing (2) has motor (19), the rear end of motor (19) is provided with pivot (20), sliding sleeve has pivot (20) in casing (2), the rear end welding of pivot (20) has connecting block (21), square groove (22) has been seted up to the rear end of connecting block (21), square piece (23) has been cup jointed in square groove (22), the rear end welding of square piece (23) has gear (24), the upper end meshing of gear (24) has pinion rack (18), the rear end welding of gear (24) has regulation pole (25), sliding regulation has regulation pole (25) in casing (2), the rear end welding of adjusting pole (25) has handle (26), the upper end of the supporting plate (27) is fixedly provided with a supporting sleeve (28), and the supporting sleeve (28) is sleeved with an adjusting rod (25) in a sliding manner.

8. The operating mechanism of an automatic transfer switch according to claim 1, wherein: the lower extreme contact of metal block (32) is connected with adapter sleeve (31), the outside welding of adapter sleeve (31) has connecting rod (33), the terminal welding of connecting rod (33) has sleeve (34), connecting rod (33) have four, four connecting rod (33) evenly distributed is in the outside of adapter sleeve (31), four sleeve (34) have all been welded to the end of connecting rod (33), be provided with third spring (35) in sleeve (34), the upper end of third spring (35) bonds on sleeve (34), the lower extreme of third spring (35) bonds and has roof (36), sliding sleeve has cup jointed limiting plate (37) in sleeve (34), draw-in groove (38) has been seted up to the side of limiting plate (37), the inside wall of sleeve (34) is provided with fixture block (39), the joint has fixture block (39) in draw-in groove (38), the lower extreme welding of limiting plate (37) has bracing piece (40), the lower extreme of bracing piece (40) is fixed on casing (2).

Technical Field

The invention belongs to the technical field of change-over switches, and particularly relates to an operating mechanism of an automatic change-over switch.

Background

The automatic transfer switch electric appliance is mainly suitable for an emergency power supply system with rated voltage alternating current not more than 1000V or direct current not more than 1500V, the power supply to a load is interrupted during the power supply transfer, an emergency standby power supply is provided in important places needing to be supplied with power all the time, such as hospitals, hotels and the like, generally when a common power supply is used, the common power supply and the standby power supply are connected into a circuit simultaneously, and the automatic transfer switch is needed, so that when the situation that the standby power supply needs to be switched occurs, the power supply can be automatically switched.

In the prior art, when an operating mechanism of the automatic change-over switch is used, the operating mechanism is generally controlled through motor operation, when a motor is damaged, the device cannot be used, the reliability is poor, and meanwhile, when the device is used for switching a power supply, the circuit is burnt and damaged due to overlarge circuit load voltage. There is therefore a need for improvements in the prior art.

The invention content is as follows:

the present invention has been made to solve the above problems, and an object of the present invention is to provide an operating mechanism of an automatic transfer switch, which solves the problems mentioned in the background art.

In order to solve the above problems, the present invention provides a technical solution:

the utility model provides an automatic change-over switch's operating mechanism, includes the mount pad, the lower extreme fixed mounting of mount pad has the casing, the spout has been seted up to the upper end of casing, sliding connection has the slide bar in the spout, the upper end welding of slide bar has the installation pole, set up on the mount pad and supported the groove, the terminal welding of installation pole has the clamp plate, it has cup jointed the clamp plate to support the inslot sliding, it is provided with first spring to support the inslot, the casing internal welding has the backup pad, the casing internal sliding cup joints the guide arm, the lower extreme welding of guide arm has the dog, the fixed adapter sleeve that has cup jointed in the upper end outside of guide arm, the upper end fixed mounting of guide arm has the metal block, the lower extreme fixed mounting of.

Preferably, the outer side of the shell is provided with a convex edge, and the upper end of the convex edge is connected with a mounting seat through a screw.

Preferably, the number of the support grooves is two, the two support grooves are symmetrically distributed in the mounting seat, and first springs are arranged in the two support grooves.

Preferably, one end of the first spring is in contact connection with the mounting seat, and the other end of the first spring is in contact connection with the pressing plate.

Preferably, the lower extreme welding of installation pole has the supporting shoe, the spacing groove has been seted up to the lower extreme of supporting shoe, the supporting shoe has two, two the supporting shoe symmetric distribution is at the lower extreme of installation pole, two the spacing groove has all been seted up to the lower extreme of supporting shoe, the mounting groove has been seted up in the casing, be provided with the second spring in the mounting groove, sliding sleeve has the kicking block in the mounting groove, the mounting groove has two, two the mounting groove symmetric distribution is in the upper end of casing, two equal sliding sleeve has the kicking block in the mounting groove, the kicking block has been cup jointed in the spacing inslot joint, sliding sleeve has the baffle in the mounting groove, the lower extreme welding of baffle has the contact lever, the lower extreme fixed.

Preferably, the upper end of the second spring is in contact connection with a top block, and the lower end of the second spring is in contact connection with a shell.

As preferred, the lower extreme welding of slide bar has the pinion rack, the upper end contact of pinion rack is connected with the casing, the front end fixed mounting of casing has the motor, the rear end of motor is provided with the pivot, the pivot has been cup jointed in the casing slip, the rear end welding of pivot has the connecting block, square groove has been seted up to the rear end of connecting block, square inslot joint has square piece, the rear end welding of square piece has the gear, the upper end meshing of gear has the pinion rack, the rear end welding of gear has the regulation pole, slide adjusting has the regulation pole in the casing, the rear end welding of adjusting the pole has the handle, the upper end fixed mounting of backup pad supports the cover, it has the regulation pole to slide to cup joint in the support cover.

As preferred, the lower extreme contact of metal block is connected with the adapter sleeve, the outside welding of adapter sleeve has the connecting rod, the terminal welding of connecting rod has the sleeve, the connecting rod has four, four connecting rod evenly distributed is in the outside of adapter sleeve, four the sleeve has all been welded to the end of connecting rod, be provided with the third spring in the sleeve, the upper end of third spring bonds on the sleeve, the lower extreme of third spring bonds and has the roof, sliding sleeve has the limiting plate in the sleeve, the draw-in groove has been seted up to the side of limiting plate, telescopic inside wall is provided with the fixture block, the fixture block has been pegged graft in the draw-in groove, the lower extreme welding of limiting plate has the bracing piece, the lower extreme of.

The invention has the beneficial effects that: the invention relates to an operating mechanism of an automatic change-over switch, which has the characteristics of good reliability and overload protection on a circuit, and has the following two beneficial effects compared with the traditional operating mechanism of the automatic change-over switch in specific use:

at first, through at pinion rack lower extreme meshing gear, the rotation of motor drive pivot can drive the connecting block and rotate, the connecting block rotates and drives square piece and rotate, square piece drives gear revolve and then drives the pinion rack and remove and carry out the switch conversion, through adjusting the pole pulling gear for square piece and square groove break away from, can rotate the regulating lever and rotate the gear, and then drive the pinion rack and remove change over switch, but through automatic control manual control cooperation, make the device use reliability higher.

Secondly, through set up the third spring in the sleeve, the sleeve downstream makes the draw-in groove on the limiting plate and the fixture block cooperation in the sleeve fixed the limiting plate, compresses tightly the third spring simultaneously to at guide arm top installation metal block and the cooperation of electro-magnet, when the circuit transships, circuit current grow makes electro-magnet suction reinforcing, and then adsorbs the metal block rebound, makes the limiting plate break away from in the sleeve, makes the circuit disconnection, protects the circuit.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a left side view of FIG. 1 of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1 of the present invention;

FIG. 4 is an enlarged view of the invention at B in FIG. 1;

FIG. 5 is an enlarged view of the present invention at C of FIG. 1;

fig. 6 is an enlarged view of the present invention at D in fig. 1.

In the figure: 1. a mounting seat; 2. a housing; 3. a convex edge; 4. a chute; 5. a slide bar; 6. mounting a rod; 7. a support groove; 8. pressing a plate; 9. a first spring; 10. a support block; 11. a limiting groove; 12. mounting grooves; 13. a second spring; 14. a top block; 15. a baffle plate; 16. a contact lever; 17. a contact; 18. a toothed plate; 19. a motor; 20. a rotating shaft; 21. connecting blocks; 22. a square groove; 23. a square block; 24. a gear; 25. adjusting a rod; 26. a grip; 27. a support plate; 28. a support sleeve; 29. a guide bar; 30. a stopper; 31. connecting sleeves; 32. a metal block; 33. a connecting rod; 34. a sleeve; 35. a third spring; 36. a top plate; 37. a limiting plate; 38. a card slot; 39. a clamping block; 40. a support bar; 41. an electromagnet.

The specific implementation mode is as follows:

as shown in fig. 1 to 6, the following technical solutions are adopted in the present embodiment:

example (b):

an operating mechanism of an automatic transfer switch comprises an installation seat 1, a shell 2 is fixedly installed at the lower end of the installation seat 1, the upper end of the shell 2 is provided with a sliding chute 4, the sliding chute 4 is connected with a sliding rod 5 in a sliding way, the upper end of the sliding rod 5 is welded with a mounting rod 6, a supporting groove 7 is arranged on the mounting seat 1, a pressing plate 8 is welded at the tail end of the mounting rod 6, a pressure plate 8 is sleeved in the supporting groove 7 in a sliding manner, a first spring 9 is arranged in the supporting groove 7, a supporting plate 27 is welded in the shell 2, a guide rod 29 is sleeved in the shell 2 in a sliding way, a stop block 30 is welded at the lower end of the guide rod 29, a connecting sleeve 31 is fixedly sleeved at the outer side of the upper end of the guide rod 29, the upper end of the guide rod 29 is fixedly provided with a metal block 32, the lower end of the support plate 27 is fixedly provided with an electromagnet 41, and the electromagnet 41 is positioned above the metal block 32.

Wherein, the outside of casing 2 is provided with chimb 3, there is mount pad 1 upper end of chimb 3 through bolted connection.

The number of the support grooves 7 is two, the two support grooves 7 are symmetrically distributed in the mounting seat 1, and first springs 9 are arranged in the two support grooves 7.

One end of the first spring 9 is in contact connection with the mounting seat 1, and the other end of the first spring 9 is in contact connection with the pressing plate 8.

The lower end of the installation rod 6 is welded with a supporting block 10, the lower end of the supporting block 10 is provided with a limiting groove 11, the supporting block 10 is provided with two supporting blocks 10 which are symmetrically distributed at the lower end of the installation rod 6, the limiting groove 11 is arranged at the lower end of the supporting block 10, an installation groove 12 is formed in the shell 2, a second spring 13 is arranged in the installation groove 12, a top block 14 is sleeved in the installation groove 12 in a sliding mode, the installation groove 12 is provided with two supporting blocks 12 which are symmetrically distributed at the upper end of the shell 2, the top block 14 is sleeved in the installation groove 12 in a sliding mode, the top block 14 is clamped in the limiting groove 11, a baffle 15 is sleeved in the installation groove 12 in a sliding mode, the lower end of the baffle 15 is welded with a contact rod 16, and the lower end of the installation groove.

Wherein, the upper end contact of second spring 13 is connected with kicking block 14, the lower extreme contact of second spring 13 is connected with casing 2.

Wherein, the lower extreme welding of slide bar 5 has pinion rack 18, the upper end contact of pinion rack 18 is connected with casing 2, the front end fixed mounting of casing 2 has motor 19, the rear end of motor 19 is provided with pivot 20, slide and cup joint pivot 20 in the casing 2, the rear end welding of pivot 20 has connecting block 21, square groove 22 has been seted up to the rear end of connecting block 21, square piece 23 has been pegged graft in the square groove 22, the rear end welding of square piece 23 has gear 24, the upper end meshing of gear 24 has pinion rack 18, the rear end welding of gear 24 has adjusting pole 25, slide and adjust pole 25 in the casing 2, the rear end welding of adjusting pole 25 has handle 26, the upper end fixed mounting of backup pad 27 has support cover 28, slide and cup joint adjusting pole 25 in the support cover 28.

Wherein, the lower extreme contact of metal block 32 is connected with adapter sleeve 31, the outside welding of adapter sleeve 31 has connecting rod 33, the terminal welding of connecting rod 33 has sleeve 34, connecting rod 33 has four, four connecting rod 33 evenly distributed is in the outside of adapter sleeve 31, four sleeve 34 has all been welded at connecting rod 33's end, be provided with third spring 35 in the sleeve 34, the upper end of third spring 35 bonds on sleeve 34, the lower extreme of third spring 35 bonds and has roof 36, sliding sleeve has cup jointed limiting plate 37 in the sleeve 34, draw-in groove 38 has been seted up to limiting plate 37's side, the inside wall of sleeve 34 is provided with fixture block 39, the joint has fixture block 39 in the draw-in groove 38, the lower extreme welding of limiting plate 37 has bracing piece 40, the lower extreme of bracing piece 40 is fixed on casing 2.

The using state of the invention is as follows: when the switch is switched, the gear 24 is meshed at the lower end of the toothed plate 18, the motor 19 drives the rotating shaft 20 to rotate, the rotating shaft 20 rotates to drive the connecting block 21 to rotate, the connecting block 21 rotates to drive the square block 23 to rotate, the square block 23 drives the gear 24 to rotate, the gear 24 is pulled through the adjusting rod 25, the square block 23 is separated from the square groove 22, the adjusting rod 25 can be rotated to rotate the gear 24, further the toothed plate 18 is driven to move, the sliding rod 5 is driven to move in the sliding groove 4, the sliding rod 5 drives the mounting rod 6 to move, the mounting rod 6 drives the supporting block 10 to move, the supporting block 10 moves, the top block 14 enters the limiting groove 11, the top block 14 moves downwards, the top block 14 compresses the second spring 13, the contact rod 16 is compressed on the contact 17, the circuit is communicated, and the top block 14 can move and separate in the limiting groove, but through the cooperation of automatic control manual control, make the device use the reliability higher, through set up third spring 35 in sleeve 34, sleeve 34 moves down makes draw-in groove 38 on the limiting plate 37 and the cooperation of fixture block 39 in the sleeve 34 fixed limiting plate 37, compress tightly third spring 35 simultaneously, and at the cooperation of guide arm 29 top installation metal block 32 and electro-magnet 41, when the circuit transships, circuit current grow, make the reinforcing of 41 suction of electro-magnet, and then adsorb metal block 32 rebound, make limiting plate 37 break away from in the sleeve 34, make the circuit disconnection, protect the circuit.

While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.