CN113437668A

CN113437668A - Four-way openable anti-falling switch cabinet

Info

Publication number: CN113437668A
Application number: CN202110928074.1A
Authority: CN
Inventors: 吴苏州; 项汉余; 冯林; 冯萍
Original assignee: Hefei Fengcheng Zhihe Industrial Design Co ltd
Current assignee: Hefei Fengcheng Zhihe Industrial Design Co ltd
Priority date: 2020-08-19
Filing date: 2021-08-13
Publication date: 2021-09-24
Also published as: CN112018625A

Abstract

The invention belongs to the technical field of switch cabinets, and particularly relates to a four-way openable anti-falling switch cabinet which comprises a cabinet body and a cabinet door, wherein after one side of the door is opened, if a person presses a pressure lever on the other side, the cabinet door can be detached; in order to prevent the occurrence of the situation, an adjusting mechanism is designed to prevent people from saving trouble, the cabinet door is completely disassembled but is not installed, and the difficulty of disassembling the cabinet door is increased through the designed adjusting mechanism; the invention designs the wire winding rod to prevent the electric wires in the switch cabinet from being broken after the switch cabinet is used for a long time or is installed loosely and falls off due to the fact that the electric wires in the switch cabinet are pulled by the downward pulling force of the cabinet body, so that electrical faults are caused or short-circuit fire is caused; after the cabinet body drops, the cabinet body can be through stay cord pulling inserted bar for the inserted bar shifts up and loses the swing spacing between kinking pole and the fixed journal stirrup, and the kinking pole can the lower hem, makes the electric wire of twining on the kinking pole drop through the hypoplastron, and it is not enough to compensate cubical switchboard electric wire length that drops.

Description

Four-way openable anti-falling switch cabinet

Technical Field

The invention belongs to the technical field of switch cabinets, and particularly relates to a four-way openable anti-falling switch cabinet.

Background

Power switches in some factories, etc. are often placed in switch cabinets; the switch cabinet consists of a cabinet body, a cabinet door and internal electrical elements; different switch cabinets flexibly adjust the opening modes of the cabinet doors according to different installation space requirements, such as upper opening, lower opening, left opening or right opening; the opening direction of the cabinet door is determined according to the space of an installation place, when the switch cabinet is customized, the cabinet door is installed in the required opening direction, and for the switch cabinet, the production efficiency can be reduced due to different cabinet door installation directions; in addition, when the switch cabinet is installed, the readjustment of the cabinet door can occur due to various factors, so that the construction period delay can be caused to a manufacturer or a user, namely, the switch cabinet cannot be installed simply when the cabinet door is installed.

For the switch cabinet hung on the wall, the switch cabinet and the wall are not firm, and the switch cabinet falls off after being used for a long time, and the electric wire is broken to cause electrical faults or short-circuit fire disasters when the switch cabinet falls off.

The invention designs a four-way openable anti-falling switch cabinet, which solves the problems.

Disclosure of Invention

In order to solve the defects in the prior art, the invention discloses a four-way openable anti-falling switch cabinet, which is realized by adopting the following technical scheme.

The utility model provides a four-way anti-falling's cubical switchboard that can open, it includes the cabinet body, cabinet door, and wherein the cabinet door is installed on the cabinet body, its characterized in that: four sides of the cabinet door are respectively provided with two hinge mechanisms; eight hinge mechanisms installed on four sides of the cabinet door are connected with the cabinet body through bolts.

The hinge mechanism comprises a hinge and a telescopic pin shaft, wherein the hinge comprises two half hinges, and the two half hinges are fixedly arranged on the cabinet door and the cabinet body through bolts respectively; the telescopic pin shaft consists of a telescopic outer sleeve and a telescopic inner rod, one end of the telescopic inner rod is arranged in the telescopic outer sleeve through the sliding fit of a guide block and a guide groove, and a reset spring is arranged between one end of the telescopic inner rod positioned in the telescopic outer sleeve and the inner end surface of the telescopic outer sleeve; one end of the telescopic outer sleeve is provided with an inclined plane; the four telescopic pin shafts are nested in the pin holes of the two half hinges in pairs; when the pressure lever is not compressed, the inclined plane of the telescopic pin shaft faces the cabinet body.

Four pressure bars are installed on the outer side of the cabinet door, and the four pressure bars are used for controlling the rotation of the other six telescopic pin shafts except the two telescopic pin shafts positioned on the opposite surfaces of the pressure bars in eight telescopic pin shafts installed on the four sides of the cabinet door in a one-way mode through the transmission of the rack gears, so that the inclined surfaces of the six telescopic pin shafts face the cabinet door.

The cabinet body is arranged on a wall surface through a fixing plate, a winding rod is arranged on the fixing plate and positioned on the upper side of the cabinet body in a hinged mode, a pull rope is fixedly arranged on the upper end surface of the cabinet body, and a connecting pin is fixedly arranged at one end, far away from the cabinet body, of the pull rope and controls whether the winding rod swings or not; electric wires of the electric appliance elements in the cabinet body extend out of the cabinet body to be wound on the wire winding rod and are finally electrically connected with the electric equipment to be controlled.

As a further improvement of the technology, four first mounting shells are mounted on the outer side of the cabinet door; one side of each of the four first mounting shells is provided with a circular hole, one side of each of the four circular holes is provided with a second sliding groove, one side of each of the four second sliding grooves is provided with a seventh mounting groove, and one side of each of the four seventh mounting grooves is provided with a fourth sliding groove; the four switch control mechanisms are respectively installed in the four first installation shells.

The switch control mechanism comprises a pressure lever, a connecting piece, a first gear, a second gear, a toothed plate and a second rack, wherein the pressure lever is slidably mounted in the corresponding first mounting shell through a circular hole, and the second rack is mounted on the lower side of the pressure lever through the connecting piece and is positioned in a second sliding groove; the first gear and the second gear are coaxially arranged in the seventh mounting groove, and the second gear is meshed with the second rack; the diameter of the second gear is larger than that of the first gear; the toothed plate is slidably mounted in the fourth sliding groove and meshed with the first gear; the toothed plate is driven by the transmission gear and the first rack, and the eight telescopic pin shafts arranged on the four sides of the one-way control cabinet door control whether the eight hinge mechanisms are opened or not except the sliding of the two telescopic pin shafts positioned on the opposite surfaces of the toothed plate.

As a further improvement of the technology, the inner circular surfaces of the pin holes at the two ends of the half hinge installed on the cabinet door are respectively provided with a third installation groove, and the inner circular surface of the middle pin hole is provided with a second installation groove; one side of the second mounting groove and one side of the third mounting groove are provided with first mounting grooves, and one side of the first mounting groove is provided with a fifth mounting groove; one side of the first mounting groove is provided with a fourth mounting groove penetrating through half of the hinge.

One end of each telescopic inner rod of the four telescopic pin shafts is fixedly provided with a fourth gear, the first rotating shaft is rotatably arranged in the first mounting groove, the four fifth gears are arranged on the first rotating shaft, and the four fifth gears are correspondingly meshed with the four fourth gears arranged on the four telescopic inner rods one by one; the second rotating shaft is rotatably arranged in the first mounting groove, the four sixth gears are arranged on the second rotating shaft, and the four sixth gears and the four fifth gears are correspondingly meshed one by one; the eighth gear is fixedly arranged on the second rotating shaft; the ninth gear and the seventh gear are coaxially and rotatably arranged in the first mounting groove, and the seventh gear is meshed with the eighth gear; the mounting plate is slidably mounted in the first mounting groove, the fourth gear is fixedly mounted on the mounting plate through a connecting plate, and the fourth gear is meshed with the ninth gear; a return spring is arranged between the mounting plate and the fifth mounting groove; push away strip slidable mounting in the fourth mounting groove, and push away the one end and the mounting panel fixed connection of strip, push away the other end of strip and wear out the outside that the fourth mounting groove is located corresponding the hinge.

The toothed plate is in one-way transmission connection with the push bar through transmission of the transmission gear and the first rack.

As a further improvement of the technology, a first rack is fixedly mounted on the lower side of each toothed plate, and two transmission gears are mounted on two sides of the first rack; two first racks are arranged on one side of two cabinet door edges adjacent to the cabinet door edge on which the first racks are arranged on the cabinet door, and the two first racks are meshed with the two transmission gears; and the two first racks are respectively provided with a push block, and the push blocks are in contact fit with the push strips on the corresponding side.

As a further improvement of the present technology, the return spring is an extension spring.

As a further improvement of the technology, a second installation shell is installed among the four first installation shells, and an adjusting mechanism which can be opened or not can be opened simultaneously by hinge mechanisms installed on opposite cabinet door edges in four sides of the control cabinet door is installed in the second installation shell.

As a further improvement of the present technology, a third sliding slot communicated with the second mounting shell is formed on one side of the second sliding slot formed on the four first mounting shells.

The adjusting mechanism comprises a transmission rod, a limiting slide block, a third rack, a limiting sleeve, a third gear and a limiting spring, wherein one end of the transmission rod is fixedly arranged on the corresponding second rack, and the other end of the transmission rod penetrates through a third chute and is positioned in the second mounting shell; the third rack is fixedly arranged on the transmission rod, the third gear is rotatably arranged in the second mounting shell, and the third gear is meshed with the third rack; the limiting sleeve is slidably mounted in the second mounting shell, the limiting sleeve is provided with a tooth pressure, and the tooth pressure on the limiting sleeve is meshed with the third gear; one end of the limiting slide block is provided with an inclined plane, the other end of the limiting slide block is slidably mounted in the limiting sleeve, and a limiting spring is arranged between one end of the limiting slide block, which is positioned in the limiting sleeve, and the inner end surface of the limiting sleeve.

One end of the limiting block with the inclined plane is matched with the transmission rod on the opposite side of the limiting block.

As a further improvement of the present technology, the limit spring is a compression spring.

As a further improvement of the technology, a fixed support lug is fixedly arranged on the fixed plate, and one end of the wire winding rod is arranged on the fixed support lug in a swinging mode through a connecting pin; fixed block fixed mounting is on the fixed plate, and inserted bar slidable mounting is on the fixed block, and the one end of inserted bar inserts twine pole, fixed journal stirrup and connecting pin.

As a further improvement of the technology, a guide wheel which plays a role in guiding the pulling rope is arranged on the fixing plate.

Compared with the traditional switch cabinet technology, the switch cabinet has the following beneficial effects:

1. according to the invention, the cabinet door is arranged on the cabinet body through the eight designed hinge mechanisms, and the opening of the hinge mechanisms in the corresponding directions can be controlled through the switch control mechanisms in different directions, so that the cabinet door can be opened in the specified direction; in the actual use process, whether the eight hinge mechanisms are opened or closed can be flexibly controlled according to the space of an installation place, and the hinge mechanisms are flexibly applied.

2. When the cabinet door is used normally and needs to be hinged, one end of the telescopic outer sleeve of the telescopic pin shaft for controlling the corresponding compression bar, which is not provided with the inclined plane, faces to the side of the cabinet door, and the hinge effect is achieved through the telescopic pin shaft; when the cabinet door is normally used and can be opened, the corresponding pressure lever is controlled to enable one end, with the inclined plane, of the telescopic outer sleeve of the telescopic pin shaft to face the side, with the opened cabinet door, to be opened, and at the moment, the hinge at the position can be pulled open only by pulling the cabinet door outwards with force, so that the cabinet door is opened; the adjustment is more convenient.

3. According to the invention, after one side is opened, if someone presses the pressure lever on the other side, the cabinet door can be detached; in order to prevent the situation, the adjusting mechanism is designed, the situation that people save trouble and the cabinet door is completely disassembled but not installed is prevented, and the difficulty in disassembling the cabinet door is increased through the designed adjusting mechanism.

4. The invention designs the wire winding rod to prevent the electric wires in the switch cabinet from being broken after the switch cabinet is used for a long time or is installed loosely and falls off due to the fact that the electric wires in the switch cabinet are pulled by the downward pulling force of the cabinet body, so that electrical faults are caused or short-circuit fire is caused; after the cabinet body drops, the cabinet body can be through stay cord pulling inserted bar for the inserted bar shifts up and loses the swing spacing between kinking pole and the fixed journal stirrup, and the kinking pole can the lower hem, makes the electric wire of twining on the kinking pole drop through the hypoplastron, and it is not enough to compensate cubical switchboard electric wire length that drops.

Drawings

Fig. 1 is an external view of an entire part.

Fig. 2 is a schematic illustration of the installation of the bayonet.

Fig. 3 is a cabinet door and a cabinet door appearance schematic diagram.

Fig. 4 is a schematic view of cabinet and door distribution.

Fig. 5 is a schematic view of cabinet door installation.

Fig. 6 is a schematic exterior view of a cabinet door.

Fig. 7 is an installation schematic diagram of the hinge mechanism, the adjustment mechanism and the switch control mechanism.

Fig. 8 is a schematic view of the internal structure of the cabinet door.

Fig. 9 is a schematic view of a cabinet door structure.

Fig. 10 is a schematic view of the hinge mechanism, adjustment mechanism and switch control mechanism arrangement.

Fig. 11 is a schematic view of a telescoping pin connection.

Fig. 12 is a schematic view of a check spring installation.

Number designation in the figures: 1. a cabinet body; 2. a cabinet door; 3. a hinge mechanism; 4. an adjustment mechanism; 5. a switch control mechanism; 6. a return spring; 7. a hinge; 8. a first mounting groove; 9. a second mounting groove; 10. a third mounting groove; 11. a fourth mounting groove; 12. a fourth gear; 13. a first rotating shaft; 14. a fifth mounting groove; 16. a first chute; 17. a second chute; 18. a third chute; 19. a seventh mounting groove; 20. a fourth chute; 21. a pressure lever; 23. a connecting member; 24. a first gear; 25. a second gear; 26. a toothed plate; 27. a first rack; 28. a second rack; 29. a transmission rod; 30. a limiting slide block; 31. a third rack; 32. a limiting sleeve; 33. a third gear; 34. a transmission gear; 35. a telescopic pin shaft; 36. a fifth gear; 37. a sixth gear; 38. a second rotating shaft; 39. a push block; 40. pushing the strips; 41. a return spring; 42. a ninth gear; 43. a seventh gear; 44. a fourth rack; 45. a connecting plate; 46. mounting a plate; 47. an eighth gear; 48. a telescopic inner rod; 49. a wire winding rod; 50. pulling a rope; 51. a fixing plate; 52. a guide wheel; 53. a fixed block; 54. inserting a rod; 55. fixing the support lug; 56. a connecting pin; 57. a telescopic outer sleeve; 58. a first mounting case; 59. a second mounting case; 60. a circular hole; 61. and a limiting spring.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples or figures are illustrative of the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 3, it includes cabinet body 1, cabinet door 2, wherein as shown in fig. 5, cabinet door 2 installs on cabinet body 1, its characterized in that: as shown in fig. 4 and 6, two hinge mechanisms 3 are respectively mounted on four sides of the cabinet door 2; eight hinge mechanisms 3 arranged on four sides of the cabinet door 2 are connected with the cabinet body 1 through bolts.

According to the invention, the cabinet door 2 is arranged on the cabinet body 1 through the eight designed hinge mechanisms 3, and the opening of the hinge mechanisms 3 in the corresponding directions can be controlled through the switch control mechanisms 5 in different directions, so that the cabinet door 2 is opened in the specified direction; in the actual use process, whether the eight hinge mechanisms 3 are opened or closed can be flexibly controlled according to the space of an installation place, and the hinge mechanisms are further flexibly applied.

As shown in fig. 7 and 8, the hinge mechanism 3 includes a hinge 7 and a telescopic pin shaft 35, wherein the hinge 7 is composed of two half hinges 7, and the two half hinges 7 are respectively and fixedly mounted on the cabinet door 2 and the cabinet body 1 through bolts; the telescopic pin shaft 35 consists of a telescopic outer sleeve 57 and a telescopic inner rod 48, one end of the telescopic inner rod 48 is arranged in the telescopic outer sleeve 57 through the sliding fit of a guide block and a guide groove, and a return spring 6 is arranged between one end of the telescopic inner rod 48 positioned in the telescopic outer sleeve 57 and the inner end surface of the telescopic outer sleeve 57; one end of the telescopic outer sleeve 57 is provided with an inclined plane; the four telescopic pin shafts 35 are nested in pairs and are arranged in pin holes of the two half hinges 7; when the compression bar 21 is not compressed, the inclined plane of the telescopic pin shaft 35 faces the cabinet 1.

As shown in fig. 8 and 10, four pressure levers 21 are installed on the outer side of the cabinet door 2, and the four pressure levers 21 unidirectionally control the rotation of six telescopic pins 35, except for two telescopic pins 35 located on the opposite side of the pressure lever 21, among eight telescopic pins 35 installed on the four sides of the cabinet door 2 through the transmission of the rack of the gear, so that the inclined planes of the six telescopic pins 35 face the cabinet door 2.

When the cabinet door is used normally and needs to be hinged, one end of the telescopic outer sleeve 57 of the telescopic pin shaft 35 for controlling the corresponding pressure lever 21, which is not provided with the inclined plane, faces to the side of the cabinet door 2, which is opened, and the hinge effect is achieved through the telescopic pin shaft 35; when normal use and needs can be opened, the corresponding depression bar 21 of control makes the flexible overcoat 57 of telescopic pin shaft 35 have one end on inclined plane to the one side that cabinet door 2 opened, only need outwards pull out cabinet door 2 hard this moment, and hinge 7 of this department will be pulled open, and cabinet door 2 opens.

As shown in fig. 1 and 2, the cabinet body 1 is mounted on a wall surface through a fixing plate 51, a winding rod 49 is mounted on the fixing plate 51 at the upper side of the cabinet body 1 in a hinged manner, a pull rope 50 is fixedly mounted on the upper end surface of the cabinet body 1, a connecting pin 56 is fixedly mounted at one end of the pull rope 50 far away from the cabinet body 1, and the connecting pin 56 controls whether the winding rod 49 swings or not; the electric wires of the electric elements in the cabinet 1 extend out of the cabinet 1 to be wound on the winding rod 49 and finally electrically connected with the electric equipment to be controlled.

The wire winding rod 49 designed by the invention has the effects of preventing the electric wires in the switch cabinet from being broken after the switch cabinet is used for a long time or is installed loosely and falls off due to the downward pulling force of the cabinet body 1, so that an electrical fault is caused or a short circuit fire is caused; after the cabinet body 1 falls off, the cabinet body 1 can pull the insertion rod 54 through the pull rope 50, so that the insertion rod 54 moves upwards to lose the swing limit between the winding rod 49 and the fixed support lug 55, the winding rod 49 can swing downwards, the electric wire wound on the winding rod 49 falls off through the lower plate, and the length of the falling electric wire of the switch cabinet is not enough.

As shown in fig. 9, four first mounting cases 58 are mounted on the outer side of the cabinet door 2; one side of each of the four first mounting shells 58 is provided with a circular hole 60, one side of each of the four circular holes 60 is provided with a second sliding groove 17, one side of each of the four second sliding grooves 17 is provided with a seventh mounting groove 19, and one side of each of the four seventh mounting grooves 19 is provided with a fourth sliding groove 20; the four switch control mechanisms 5 are respectively mounted in the four first mounting cases 58.

As shown in fig. 10, the switch control mechanism 5 includes a pressing rod 21, a connecting member 23, a first gear 24, a second gear 25, a toothed plate 26, and a second rack 28, wherein the pressing rod 21 is slidably mounted in a corresponding first mounting housing 58 through a circular hole 60, and the second rack 28 is mounted on the lower side of the pressing rod 21 through the connecting member 23 and located in the second sliding slot 17; the first gear 24 and the second gear 25 are coaxially installed in the seventh installation groove 19, and the second gear 25 is engaged with the second rack 28; the diameter of the second gear 25 is larger than the diameter of the first gear 24; the toothed plate 26 is slidably mounted in the fourth runner 20, and the toothed plate 26 is engaged with the first gear 24; the toothed plate 26 is driven by the transmission gear 34 and the first rack 27, and the eight telescopic pin shafts 35 mounted on the four sides of the one-way control cabinet door 2 except for the sliding of the two telescopic pin shafts 35 located on the opposite surface of the toothed plate 26, that is, whether the eight hinge mechanisms 3 are opened or not is controlled.

As shown in fig. 9, the half hinges 7 mounted on the cabinet door 2 have a third mounting groove 10 formed on the inner circumferential surface of the pin hole at both ends, and a second mounting groove 9 formed on the inner circumferential surface of the middle pin hole; a first mounting groove 8 is formed in one side of the second mounting groove 9 and the third mounting groove 10, and a fifth mounting groove 14 is formed in one side of the first mounting groove 8; one side of the first mounting groove 8 is provided with a fourth mounting groove 11 penetrating through the half hinge 7.

As shown in fig. 11, one end of each of the telescopic inner rods 48 of the four telescopic pin shafts 35 is fixedly provided with a fourth gear 12, the first rotating shaft 13 is rotatably installed in the first installation groove 8, the four fifth gears 36 are installed on the first rotating shaft 13, and the four fifth gears 36 are correspondingly engaged with the four fourth gears 12 installed on the four telescopic inner rods 48 one by one; the second rotating shaft 38 is rotatably installed in the first installation groove 8, four sixth gears 37 are installed on the second rotating shaft 38, and the four sixth gears 37 are correspondingly engaged with the four fifth gears 36 one by one; the eighth gear 47 is fixedly mounted on the second rotating shaft 38; the ninth gear 42 and the seventh gear 43 are coaxially and rotatably installed in the first installation groove 8, and the seventh gear 43 is meshed with the eighth gear 47; the mounting plate 46 is slidably mounted in the first mounting groove 8, the fourth gear 12 is fixedly mounted on the mounting plate 46 through the connecting plate 45, and the fourth gear 12 is meshed with the ninth gear 42; a return spring 41 is arranged between the mounting plate 46 and the fifth mounting groove 14; push away strip 40 slidable mounting in fourth mounting groove 11, and push away the one end and the mounting panel 46 fixed connection of strip 40, push away the other end of strip 40 and wear out fourth mounting groove 11 and be located the outside that corresponds hinge 7.

The push bar 40 can drive the mounting plate 46 to move, the mounting plate 46 moves to drive the fourth rack 44 to move through the connecting plate 45, the fourth rack 44 moves to drive the ninth gear 42 to rotate, the ninth gear 42 rotates to drive the seventh gear 43 to rotate, the seventh gear 43 rotates to drive the eighth gear 47 to rotate, the eighth gear 47 rotates to drive the second rotating shaft 38 to rotate, the second rotating shaft 38 rotates to drive the four sixth gears 37 to rotate, the four sixth gears 37 rotate to drive the four fifth gears 36 to rotate, the fourth gear 36 rotates to drive the four fourth gears 12 to rotate, the four fourth gears 12 rotate to drive the four telescopic inner rods 48 to rotate, the four telescopic inner rods 48 rotate to drive the four telescopic outer sleeves 57 to rotate through the matching of the guide blocks and the guide grooves, so that the telescopic outer sleeves 57 rotate by 90 degrees, and the directions of the inclined planes on the telescopic outer sleeves 57 and the corresponding hinges 7 are matched are changed.

As shown in fig. 10, the toothed plate 26 is in one-way transmission connection with the push bar 40 through the transmission of the transmission gear 34 and the first rack 27.

As shown in fig. 10, a first rack 27 is fixedly mounted on the lower side of each toothed plate 26, and two transmission gears 34 are mounted on two sides of the first rack 27; two first racks 27 are mounted on one side of two adjacent cabinet doors 2 on the cabinet door 2, which are mounted with the first racks 27, and the two first racks 27 are meshed with two transmission gears 34; two first racks 27 are respectively provided with a push block 39, and the push block 39 is in contact fit with the push bar 40 on the corresponding side. The reason why the contact fitting is designed in the invention is to prevent the push bar 40 from driving the other two push blocks 39 to move after the push bar 40 is pushed and moved by one of the three push blocks 39 fitted with the push bar 40.

The return spring 41 is an extension spring.

As shown in fig. 9, a second mounting case 59 is mounted between the four first mounting cases 58, and as shown in fig. 7 and 8, an adjusting mechanism 4 for controlling whether the hinge mechanisms 3 mounted on the sides of the opposite cabinet door 2 among the four sides of the cabinet door 2 can be opened or not at the same time is mounted in the second mounting case 59.

As shown in fig. 9, a third sliding groove 18 communicating with the second mounting case 59 is formed at one side of the second sliding groove 17 formed in the four first mounting cases 58.

As shown in fig. 10, the adjusting mechanism 4 includes a transmission rod 29, a limit slider 30, a third rack 31, a limit sleeve 32, a third gear 33, and a limit spring, wherein one end of the transmission rod 29 is fixedly mounted on the corresponding second rack 28, and the other end of the transmission rod 29 passes through the third sliding groove 18 and is located in the second mounting case 59; the third rack 31 is fixedly arranged on the transmission rod 29, the third gear 33 is rotatably arranged in the second mounting shell 59, and the third gear 33 is meshed with the third rack 31; the limiting sleeve 32 is slidably mounted in the second mounting shell 59, the limiting sleeve 32 is provided with a tooth pressure, and the tooth pressure on the limiting sleeve 32 is meshed with the third gear 33; as shown in fig. 12, one end of the limiting slider 30 has an inclined surface, the other end of the limiting slider 30 is slidably mounted in the limiting sleeve 32, and a limiting spring 61 is disposed between one end of the limiting slider 30 located in the limiting sleeve 32 and the inner end surface of the limiting sleeve 32.

One end of the limiting block with the inclined plane is matched with the transmission rod 29 on the opposite side.

In the invention, after one side is opened, if a person presses the pressure lever 21 on the other side, the cabinet door 2 can be detached; in order to prevent the situation, the adjusting mechanism 4 is designed, the situation that people save trouble and the cabinet door 2 is completely detached but not installed is prevented, and the difficulty in detaching the cabinet door 2 is increased through the designed adjusting mechanism 4.

In the invention, when the second rack 28 moves, the second rack 28 drives the transmission rod 29 to move, the transmission rod 29 moves to drive the third rack 31 to move, the third rack 31 moves to drive the third gear 33 to rotate, the third gear 33 rotates to drive the corresponding limiting sleeve 32 to move, and the limiting sleeve 32 moves to drive the corresponding limiting slide block 30 to move through the limiting spring; so that the straight surface of the limit slide block 30 on the side is matched with the transmission rod 29 on the opposite side to limit the transmission rod 29 on the opposite side; the transmission lever 29 on the other side is prevented from moving, i.e., the pressing lever 21 on the opposite side is prevented from being pressed down.

In the invention, if the transmission rods 29 on the two sides move simultaneously, when the two transmission rods 29 move to the state of being matched with the inclined surfaces on the corresponding limit sliders 30, the two transmission rods 29 are matched with the straight surfaces of the corresponding limit sliders 30, and at the moment, the two transmission rods 29 move to extrude the movement of the two limit sliders 30 through the inclined surfaces, so that the two limit sliders 30 retract into the corresponding limit sleeves 32.

The limiting spring is a compression spring.

As shown in fig. 2, a fixing lug 55 is fixedly mounted on the fixing plate 51, and one end of the winding rod 49 is swingably mounted on the fixing lug 55 via a connecting pin 56; the fixing block 53 is fixedly installed on the fixing plate 51, the insertion rod 54 is slidably installed on the fixing block 53, and one end of the insertion rod 54 is inserted into the winding rod 49, the fixing lug 55, and the connecting pin 56.

A guide pulley 52 for guiding the pull rope 50 is attached to the fixed plate 51.

The specific working process is as follows: when the switch cabinet designed by the invention is used, in normal use and when the switch cabinet is hinged, one end of the telescopic outer sleeve 57 of the telescopic pin shaft 35, which is not provided with the inclined plane, faces to the side of the cabinet door 2, and at the moment, the telescopic pin shaft 35 plays a role in hinging; when the device is used normally and can be opened as required, the corresponding pressure lever 21 is controlled so that the pressure lever 21 drives the second rack 28 to move through the connecting piece 23, the second rack 28 moves to drive the second gear 25 to rotate, the second gear 25 rotates to drive the toothed plate 26 to move, the toothed plate 26 moves to drive the corresponding first rack 27 to move, the first rack 27 moves to drive the two first racks 27 at two sides to move through the corresponding transmission gear 34, and the three first racks 27 move to respectively push the corresponding push bars 40 to move through the push blocks 39 arranged on the three first racks 27; the pushing bar 40 drives the mounting plate 46 to move, the mounting plate 46 drives the fourth rack 44 to move through the connecting plate 45, the fourth rack 44 drives the ninth gear 42 to rotate, the ninth gear 42 rotates to drive the seventh gear 43 to rotate, the seventh gear 43 rotates to drive the eighth gear 47 to rotate, the eighth gear 47 rotates to drive the second rotating shaft 38 to rotate, the second rotating shaft 38 rotates to drive the four sixth gears 37 to rotate, the four sixth gears 37 rotate to drive the four fifth gears 36 to rotate, the fourth gear 36 rotates to drive the four fourth gears 12 to rotate, the four fourth gears 12 rotate to drive the four telescopic inner rods 48 to rotate, the four telescopic inner rods 48 rotate to drive the four telescopic outer sleeves 57 to rotate through the matching of the guide blocks and the guide grooves, so that the telescopic outer sleeves 57 rotate 90 degrees, the corresponding pressure rods 21 are controlled so that one end of the telescopic outer sleeves 57 of the telescopic pin shafts 35, which has the inclined plane, faces the side of the cabinet door 2 which is opened, at this time, only the cabinet door 2 needs to be pulled outwards with force, the hinge 7 at the position can be pulled open, and the cabinet door 2 is opened.

Claims

1. The utility model provides a four-way anti-falling's cubical switchboard that can open, it includes the cabinet body, cabinet door, and wherein the cabinet door is installed on the cabinet body, its characterized in that: four sides of the cabinet door are respectively provided with two hinge mechanisms; eight hinge mechanisms arranged on four sides of the cabinet door are connected with the cabinet body through bolts;

the hinge mechanism comprises a hinge and a telescopic pin shaft, wherein the hinge comprises two half hinges, and the two half hinges are fixedly arranged on the cabinet door and the cabinet body through bolts respectively; the telescopic pin shaft consists of a telescopic outer sleeve and a telescopic inner rod, one end of the telescopic inner rod is arranged in the telescopic outer sleeve through the sliding fit of a guide block and a guide groove, and a reset spring is arranged between one end of the telescopic inner rod positioned in the telescopic outer sleeve and the inner end surface of the telescopic outer sleeve; one end of the telescopic outer sleeve is provided with an inclined plane; the four telescopic pin shafts are nested in the pin holes of the two half hinges in pairs; when the compression bar is not compressed, the inclined plane of the telescopic pin shaft faces the cabinet body;

four pressure rods are arranged on the outer side of the cabinet door, and the four pressure rods are used for controlling the rotation of six telescopic pin shafts except two telescopic pin shafts positioned on the opposite surfaces of the pressure rods in a one-way mode through the transmission of rack gears among eight telescopic pin shafts arranged on the four sides of the cabinet door, so that the inclined surfaces of the six telescopic pin shafts face the cabinet door;

2. The four-way openable drop-proof switch cabinet according to claim 1, characterized in that: four first mounting shells are mounted on the outer side of the cabinet door; one side of each of the four first mounting shells is provided with a circular hole, one side of each of the four circular holes is provided with a second sliding groove, one side of each of the four second sliding grooves is provided with a seventh mounting groove, and one side of each of the four seventh mounting grooves is provided with a fourth sliding groove; the four switch control mechanisms are respectively arranged in the four first mounting shells;

3. The four-way openable drop-proof switch cabinet according to claim 2, characterized in that: the inner circular surfaces of the pin holes at the two ends of the half hinge arranged on the cabinet door are respectively provided with a third mounting groove, and the inner circular surface of the middle pin hole is provided with a second mounting groove; one side of the second mounting groove and one side of the third mounting groove are provided with first mounting grooves, and one side of the first mounting groove is provided with a fifth mounting groove; one side of the first mounting groove is provided with a fourth mounting groove penetrating through half of the hinge;

one end of each telescopic inner rod of the four telescopic pin shafts is fixedly provided with a fourth gear, the first rotating shaft is rotatably arranged in the first mounting groove, the four fifth gears are arranged on the first rotating shaft, and the four fifth gears are correspondingly meshed with the four fourth gears arranged on the four telescopic inner rods one by one; the second rotating shaft is rotatably arranged in the first mounting groove, the four sixth gears are arranged on the second rotating shaft, and the four sixth gears and the four fifth gears are correspondingly meshed one by one; the eighth gear is fixedly arranged on the second rotating shaft; the ninth gear and the seventh gear are coaxially and rotatably arranged in the first mounting groove, and the seventh gear is meshed with the eighth gear; the mounting plate is slidably mounted in the first mounting groove, the fourth gear is fixedly mounted on the mounting plate through a connecting plate, and the fourth gear is meshed with the ninth gear; a return spring is arranged between the mounting plate and the fifth mounting groove; the push bar is slidably arranged in the fourth mounting groove, one end of the push bar is fixedly connected with the mounting plate, and the other end of the push bar penetrates through the fourth mounting groove and is positioned on the outer side of the corresponding hinge;

4. The four-way openable drop-proof switch cabinet according to claim 3, characterized in that: a first rack is fixedly arranged on the lower side of each toothed plate, and two transmission gears are arranged on two sides of the first rack; two first racks are arranged on one side of two cabinet door edges adjacent to the cabinet door edge on which the first racks are arranged on the cabinet door, and the two first racks are meshed with the two transmission gears; and the two first racks are respectively provided with a push block, and the push blocks are in contact fit with the push strips on the corresponding side.

5. The four-way openable drop-proof switch cabinet according to claim 2, characterized in that: the return spring is an extension spring.

6. The four-way openable drop-proof switch cabinet according to claim 1, characterized in that: install the second installation shell between the above-mentioned four first installation shells, install in the second installation shell and control the hinge mechanism that the door edge installation of opposite cabinet in four sides of cabinet door can open simultaneously whether adjustment mechanism.

7. The four-way openable drop-proof switch cabinet according to claim 1, characterized in that: one side of the second sliding groove on the four first mounting shells is provided with a third sliding groove communicated with the second mounting shell;

the adjusting mechanism comprises a transmission rod, a limiting slide block, a third rack, a limiting sleeve, a third gear and a limiting spring, wherein one end of the transmission rod is fixedly arranged on the corresponding second rack, and the other end of the transmission rod penetrates through a third chute and is positioned in the second mounting shell; the third rack is fixedly arranged on the transmission rod, the third gear is rotatably arranged in the second mounting shell, and the third gear is meshed with the third rack; the limiting sleeve is slidably mounted in the second mounting shell, the limiting sleeve is provided with a tooth pressure, and the tooth pressure on the limiting sleeve is meshed with the third gear; one end of the limiting sliding block is provided with an inclined plane, the other end of the limiting sliding block is slidably arranged in the limiting sleeve, and a limiting spring is arranged between one end of the limiting sliding block, which is positioned in the limiting sleeve, and the inner end surface of the limiting sleeve;

8. The four-way openable drop-proof switch cabinet according to claim 7, characterized in that: the limiting spring is a compression spring.

9. The four-way openable drop-proof switch cabinet according to claim 1, characterized in that: a fixed lug is fixedly arranged on the fixed plate, and one end of the wire winding rod is arranged on the fixed lug in a swinging manner through a connecting pin; fixed block fixed mounting is on the fixed plate, and inserted bar slidable mounting is on the fixed block, and the one end of inserted bar inserts twine pole, fixed journal stirrup and connecting pin.

10. The four-way openable drop-proof switch cabinet according to claim 1, characterized in that: the fixed plate is provided with a guide wheel which plays a role in guiding the pull rope.