CN112243326B

CN112243326B - Machine cabinet

Info

Publication number: CN112243326B
Application number: CN202011222915.9A
Authority: CN
Inventors: 何健洪; 王宏杰; 吴询伟
Original assignee: Zhejiang Weiwei Technology Co ltd
Current assignee: Zhejiang Weiwei Technology Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-06-25
Anticipated expiration: 2040-11-05
Also published as: CN112243326A

Abstract

The invention belongs to the technical field of cabinets, and particularly relates to a cabinet which comprises a cabinet body bottom plate, a cabinet body top plate, a U-shaped side plate and a cabinet door. When the cabinet door reversely swings back by 30 degrees in a relatively closed state, the first clamping groove corresponding to the first clamping block just swings to the position corresponding to the first clamping block, at the moment, the first clamping block can slide and extend into the first clamping groove under the action of the second reset spring, the cabinet door swings back by 30 degrees relative to the second swing side plate through the matching of the first clamping groove and the first clamping block, and the passageway space required by the cabinet body resetting is reduced.

Description

Machine cabinet

Technical Field

The invention belongs to the technical field of cabinets, and particularly relates to a cabinet.

Background

The cabinet is generally made of cold-rolled steel plates or alloys and used for storing computers and related control equipment, can provide protection for the storage equipment, shields electromagnetic interference, and arranges the equipment orderly and orderly, thereby facilitating the subsequent maintenance of the equipment.

In the case of a cabinet arranged in a narrow space, for example, the cabinet is designed at a small gap between devices, other devices are arranged on two sides of the cabinet, and a passageway on the front side of the cabinet is narrow, so that the cabinet is difficult to maintain; in addition, in consideration of effective utilization of the space of the cabinet, electrical components inside the cabinet are generally provided with three surfaces, so that the danger of mistaken collision is easy to occur during maintenance. Therefore, it is inconvenient to maintain the cabinet in a narrow space, and it is necessary to design a cabinet which is convenient for safe maintenance in a narrow space.

The invention designs a cabinet to solve the problems.

Disclosure of Invention

In order to solve the above defects in the prior art, the invention discloses a cabinet, which is realized by adopting the following technical scheme.

A machine cabinet comprises a cabinet body bottom plate, a cabinet body top plate, a U-shaped side plate and a cabinet door, wherein the U-shaped side plate is arranged on the upper side of the cabinet body bottom plate; the other ends of the cabinet door and the U-shaped side plate are provided with door hasps; the lower end face of the cabinet body bottom plate is symmetrically provided with two limiting slide blocks, the ground is symmetrically provided with two limiting slide grooves, and the cabinet body bottom plate is arranged on the ground through the sliding fit of the two limiting slide blocks and the two limiting slide grooves; a first swing side plate and a second swing side plate are arranged at two ends of the U-shaped side plate, the first swing side plate is hinged to one end of the U-shaped side plate through a third rotating shaft, one end of the second swing side plate is hinged to the other end of the U-shaped side plate through a fifth rotating shaft, and the other end of the second swing side plate is hinged to the cabinet door through a fourth rotating shaft; two walking wheels are symmetrically arranged on the front side and the rear side of the lower end of the bottom plate of the cabinet body.

Two U-shaped strips are symmetrically arranged on the back wall corresponding to the rear ends of the U-shaped side plates from top to bottom, and teeth are arranged on the opposite side surfaces of the U-shaped strips; the first rotating shaft and the second rotating shaft are symmetrically and rotatably arranged at the rear end of the U-shaped side plate, two first gears are respectively and vertically symmetrically arranged on the first rotating shaft and the second rotating shaft, and the two first gears located at the same height are meshed with teeth on the U-shaped strip at the corresponding height.

A clamping mechanism is arranged between the cabinet door and the second swing side plate.

Three eighth mounting grooves are uniformly formed in the end face, close to one side of the cabinet door, of the second swing side plate up and down; a first clamping groove, a second clamping groove and a third clamping groove are sequentially formed in the upper part and the lower part of one side, close to the second swing side plate, of the cabinet door, and arc surfaces are formed in one sides of the first clamping groove and the third clamping groove; an included angle of 30 degrees is formed between the first clamping groove and the door surface of the cabinet door, an included angle of 120 degrees is formed between the second clamping groove and the first clamping groove, and the second clamping groove is parallel to the door surface of the cabinet door; an included angle of 90 degrees is formed between the third clamping groove and the second clamping groove, and an included angle of 210 degrees is formed between the third clamping groove and the first clamping groove; one side of the first clamping groove is provided with a third sliding groove, one side of the third sliding groove is provided with a third mounting groove, one side of the third mounting groove is provided with a first sliding groove, one side of the first sliding groove is provided with a first mounting groove, one side of the first mounting groove is provided with a second sliding groove, and one side of the second sliding groove is provided with a second mounting groove; one side of the second clamping groove is provided with a fourth sliding groove, and one side of the fourth sliding groove is provided with a fourth mounting groove; a seventh sliding groove is formed in one side of the third clamping groove, a seventh mounting groove is formed in one side of the seventh sliding groove, a sixth sliding groove is formed in one side of the seventh mounting groove, a sixth mounting groove is formed in one side of the sixth sliding groove, a fifth mounting groove is formed in one side of the sixth sliding groove, and a fifth safety sliding groove is formed in one side of the fifth mounting groove.

The clamping mechanism comprises a first clamping block, a second reset spring, a first limiting plate, a second gear, a first rack, a third gear, a first trigger plate, a third reset spring, a second clamping block, a fourth reset spring, a second limiting plate, a fifth reset spring, a third clamping block, a sixth reset spring, a fourth gear, a second trigger plate, a seventh reset spring, a second rack, a fifth gear and a third limiting plate, wherein the first clamping block is slidably mounted in one of three eighth mounting grooves formed in the second swing side plate, and a second reset spring is mounted between one end of the first clamping block located in the corresponding eighth mounting groove and the corresponding eighth inner end surface of the eighth mounting groove; one side of the first limiting plate is provided with teeth, the first limiting plate is slidably arranged in the third sliding chute, and the first limiting plate is matched with the first clamping block; the second gear is rotatably arranged in the third mounting groove and is meshed with the teeth on the first limiting plate; the first rack is slidably arranged in the first sliding chute and meshed with the second gear; the third gear is rotatably arranged in the first mounting groove, and the first rack is meshed with the third gear; one side of the first trigger plate is provided with teeth, the first trigger plate is slidably mounted in the second chute, and the teeth on the first trigger plate are meshed with the third gear; a third return spring is arranged between the first trigger plate and the second mounting groove; the second fixture block is slidably installed in one of three eighth installation grooves formed in the second swing side plate, and a fourth return spring is installed between one end, located in the corresponding eighth installation groove, of the second fixture block and the inner end face of the corresponding eighth installation groove; the second limiting plate is slidably arranged in the fourth sliding chute and matched with the second clamping block; one end of the second limiting plate extends out of the front end face of the cabinet door; a fifth return spring is arranged between the second limiting plate and the fourth mounting groove; the third clamping block is slidably arranged in the other one of the three eighth mounting grooves formed in the second swing side plate, and a sixth reset spring is arranged between one end, located in the corresponding eighth mounting groove, of the third clamping block and the inner end face of the corresponding eighth mounting groove; one side of the third limiting plate is provided with teeth, the third limiting plate is slidably arranged in the seventh sliding chute, and the third limiting plate is matched with the third clamping block; the fifth gear is rotatably arranged in the seventh mounting groove and is meshed with the teeth on the third limiting plate; the second rack is slidably arranged in the sixth sliding chute and is meshed with the fifth gear; the fourth gear is rotatably arranged in the fifth mounting groove, and the second rack is meshed with the fourth gear; one side of the third trigger plate is provided with teeth, the third trigger plate is slidably mounted in the fifth chute, and the teeth on the third trigger plate are meshed with the fourth gear; and a seventh return spring is arranged between the second rack and the sixth mounting groove.

The above-mentioned subaerial gag lever post that has played limiting displacement to cabinet body bottom plate of installing, the gag lever post manually adjustable.

The upper ends of the first rotating shaft, the second rotating shaft and the third rotating shaft penetrate into the inner side of a top plate of the cabinet body, the upper end of the fourth rotating shaft is provided with a first driving wheel, and two elastic ropes are arranged between the first driving wheel and the fourth rotating shaft in the positive and negative directions; a second driving wheel is arranged at the upper end of the fifth rotating shaft, two elastic ropes are arranged between the second driving wheel and the fifth rotating shaft in the positive and negative directions, a third driving wheel is arranged at the upper end of the third rotating shaft, and two elastic ropes are arranged between the third driving wheel and the third rotating shaft in the positive and negative directions; the first rotating shaft, the second rotating shaft, the third driving wheel, the first driving wheel and the second driving wheel are in transmission connection through gears, chain wheels and chains, and therefore when the limiting rod does not relieve limiting on the bottom plate of the cabinet body, the cabinet door is opened outwards for 180 degrees, and the cabinet door can drive the elastic rope on one side of the opening direction of the cabinet door between the fourth rotating shaft and the first driving wheel through the fourth rotating shaft to store force; the third clamping block is limited by a third clamping groove and a third limiting plate; after the cabinet door is opened by 180 degrees, the limit of the limit rod on the bottom plate of the cabinet body is released, at the moment, the first driving wheel drives the second driving wheel to rotate through the chain wheel and the chain under the action of the corresponding elastic rope, the second driving wheel rotates to enable the elastic rope between the second driving wheel and the fifth rotating shaft to store force in the rotating direction, meanwhile, the second transmission wheel drives the first rotating shafts to rotate through the transmission of the gears, the chain wheels and the chains, the first rotating shafts drive the two first gears on the first rotating shafts to rotate on one hand, the first rotating shafts drive the second rotating shafts to rotate through the transmission of the gears, the chain wheels and the chains on the other hand, the second rotating shafts drive the first gears on the second rotating shafts to rotate on the one hand, the second rotating shafts drive the third transmission wheel to rotate through the transmission of the gears, the chain wheels and the chains on the other hand, and the third transmission wheel rotates to enable the elastic rope between the third transmission wheel and the third rotating shafts to store force in the rotating direction; the four first gears rotate to drive the U-shaped side plates, the cabinet body bottom plate, the cabinet body top plate and the cabinet door to move outwards together under the action of the two U-shaped strips; after the limiting sliding groove is moved to limit the limiting sliding block, the U-shaped side plate, the cabinet body bottom plate, the cabinet body top plate and the cabinet door stop moving outwards, and the limiting rod limits the cabinet door bottom plate again at the moment; second drive wheel and third drive wheel drive fifth pivot and third pivot under the effect that corresponds the elasticity rope and drive second swing curb plate and first swing curb plate respectively and open to both sides, at the opening in-process, trigger the board after the equipment contact of board and both sides when the second, the second triggers the board and is triggered by the extrusion, the third limiting plate is relieved spacing to the third fixture block, this moment under the effect of elasticity rope between first drive wheel and fourth pivot, the relative second swing curb plate of cabinet door swings back, finally make the cabinet door, the equipment of both sides is being pasted to first swing curb plate and second swing curb plate.

As a further improvement of the present technology, the inner circular surfaces of the first driving wheel, the second driving wheel and the third driving wheel are respectively and fixedly provided with a second mounting block, the outer circular surfaces of the fourth rotating shaft, the fifth rotating shaft and the third rotating shaft are respectively and fixedly provided with a first mounting block, and elastic ropes are respectively arranged between the three first mounting blocks and the second mounting blocks on the corresponding rotating shafts at the front side and the back side.

As a further improvement of the technology, an installation shell is fixedly installed on the upper side of the first swing side plate, the upper ends of the fourth rotating shaft and the fifth rotating shaft are located in the installation shell, the first chain wheel is rotatably installed on the fourth rotating shaft, and the first chain wheel is fixedly connected with the first transmission wheel; the second chain wheel is rotatably arranged on the fifth rotating shaft and is fixedly connected with the second transmission wheel; the first chain wheel is connected with the second chain wheel through a first chain; the sixth gear is rotatably arranged on the fifth rotating shaft and is fixedly connected with the second chain wheel; the fourth chain wheel is fixedly arranged on the first rotating shaft and is in transmission connection with the sixth gear through a fourth chain and a speed change mechanism; the sixteenth gear is fixedly arranged on the first rotating shaft, the sixth rotating shaft is rotatably arranged in the top plate of the cabinet body, the seventeenth gear is fixedly arranged at the upper end of the sixth rotating shaft, and the seventeenth gear is meshed with the sixteenth gear; the fifth chain wheel is fixedly arranged at the lower end of the sixth rotating shaft, the sixth chain wheel is fixedly arranged on the second rotating shaft, and the sixth chain wheel is connected with the fifth chain wheel through a second chain; the seventh chain wheel is fixedly arranged on the second rotating shaft, the eighteenth gear is rotatably arranged on the third rotating shaft, and the eighteenth gear is fixedly connected with the third transmission wheel; and the eighteenth gear is in transmission connection with the third chain through a speed change mechanism.

As a further improvement of the present technology, the speed change mechanism includes a first support, a second support, a third chain wheel, a third support, a fourth support, a seventh gear, an eighth gear, a ninth gear, a tenth gear, an eleventh gear, a twelfth gear, a thirteenth gear, a fourteenth gear, and a fifteenth gear, wherein the fifteenth gear and the seventh gear are rotatably mounted in the top plate of the cabinet through the third support, and the fifteenth gear is engaged with the seventh gear; the eighth gear and the ninth gear are coaxially and rotatably arranged on the third support, and the eighth gear is meshed with the seventh gear; the fourth support is fixedly arranged in the fixed plate of the cabinet body, the tenth gear and the tenth gear are coaxially arranged on the fourth support, and the tenth gear is meshed with the ninth gear; the first support is fixedly arranged in the top plate of the cabinet body, the eleventh gear and the twelfth gear are coaxially arranged on the first support, and the eleventh gear is meshed with the thirteenth gear; the second support is fixedly arranged on the top plate of the cabinet body, the third chain wheel and the fourteenth gear are coaxially arranged on the second support, and the fourteenth gear is meshed with the twelfth gear.

For the speed change mechanism between the sixth gear and the third chain wheel, the fifteenth gear is meshed with the sixth gear, and the third chain wheel and the fourth chain wheel are connected through a fourth chain.

And for the speed change mechanism between the seventh chain wheel and the eighteenth gear, the eighteenth gear is meshed with the sixth gear, and the third chain wheel is connected with the seventh chain wheel through a third chain.

As a further improvement of the technology, two elastic cushions are respectively and symmetrically arranged on the equipment at the two sides up and down.

As a further improvement of the technology, the limiting strips are symmetrically provided with two limiting grooves, the limiting strips are fixedly arranged on one side of the bottom plate of the cabinet body, the limiting rods are slidably arranged on the ground, and first reset springs are arranged between the limiting rods and the ground.

As a further improvement of the present technology, the first return spring is a compression spring and has a pre-pressure.

As a further improvement of the present technology, the second return spring, the fourth return spring, and the sixth return spring are all compression springs and have the same pressure.

As a further improvement of the technology, the first chain wheel is fixedly connected with the first transmission wheel through a first connecting sleeve; the second chain wheel is fixedly connected with the second transmission wheel through a first connecting sleeve.

As a further improvement of the present technology, the eighteenth gear is fixedly connected to the third transmission wheel through a third connection sleeve.

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

1. when the cabinet is maintained, the cabinet door, the first swing side plate and the second swing side plate are opened by controlling and are attached to equipment on two sides, two side faces and inner side faces of an original electric appliance are facing to maintenance personnel by the design, the cabinet is not easy to be mistakenly touched during maintenance, the maintenance space of the maintenance personnel is enlarged by unfolding the three mounting faces, and the maintenance convenience is improved.

2. When the cabinet door reversely swings back by 30 degrees in a relatively closed state, the first clamping groove corresponding to the first clamping block just swings to the position corresponding to the first clamping block, at the moment, the first clamping block can slide and extend into the first clamping groove under the action of the second reset spring, the cabinet door swings back by 30 degrees relative to the second swing side plate through the matching of the first clamping groove and the first clamping block, and the passageway space required by the cabinet body resetting is reduced.

3. The reason why the two elastic ropes are arranged between the same driving wheel and the corresponding rotating shaft is to ensure that the cabinet door can play a role in storing energy through the elastic ropes in the opening and closing processes, and ensure that the cabinet body can be smoothly opened and reset.

Drawings

Fig. 1 is a schematic view of the overall component distribution.

Fig. 2 is an external view of the entire part.

Fig. 3 is a schematic view of the installation of the limiting rod and the limiting strip.

Fig. 4 is a schematic view of the U-shaped strip and the first gear.

FIG. 5 is a schematic view of the door hasp and curb slider installation.

Fig. 6 is a card mechanism installation schematic.

Fig. 7 is a schematic view of the first latch and the first latch groove.

Fig. 8 is a schematic view of a first card slot distribution.

Fig. 9 is a schematic view of the second latch and the second latch groove.

Fig. 10 is a schematic view of the third clamping block and the third clamping groove.

Fig. 11 is a schematic view of a third card slot distribution.

FIG. 12 is a schematic view of the distribution of the eighth installation groove.

Fig. 13 is a structural schematic view of a cabinet top plate.

Fig. 14 is a schematic distribution diagram of the shifting mechanism.

Fig. 15 is a schematic view of a cabinet top plate and mounting shell structure.

FIG. 16 is a schematic view of the first sprocket and the second sprocket drive.

FIG. 17 is a schematic view of the third chain wheel and the fourth chain wheel drive.

FIG. 18 is a schematic drive diagram of the fifth chain wheel and the sixth chain wheel.

Fig. 19 is a schematic transmission diagram of the second rotating shaft and the third rotating shaft.

Fig. 20 is a schematic view of the cabinet opening and closing.

Number designation in the figures: 1. equipment; 2. a cabinet; 3. an elastic pad; 4. a back wall; 5. a ground surface; 6. a limiting slide block; 7. a limiting chute; 8. a limiting rod; 9. a limiting strip; 10. a limiting groove; 11. a first return spring; 12. u-shaped strips; 13. a traveling wheel; 14. a first gear; 15. a door hasp; 16. a cabinet body bottom plate; 17. a first swing side plate; 18. a cabinet door; 19. a U-shaped side plate; 20. a second swing side plate; 21. a first rotating shaft; 22. a card mechanism; 23. a first clamping block; 24. a second return spring; 25. a first limit plate; 26. a second gear; 27. a first rack; 28. a third gear; 29. a first trigger plate; 30. a third return spring; 31. a first card slot; 32. a first chute; 33. a first mounting groove; 34. a second chute; 35. a second mounting groove; 36. a third mounting groove; 37. a third chute; 38. a second fixture block; 39. a fourth return spring; 40. a second limiting plate; 41. a fifth return spring; 42. a second card slot; 43. a fourth chute; 44. a fourth mounting groove; 45. a third fixture block; 46. a sixth return spring; 47. a fourth gear; 48. a second trigger plate; 49. a seventh return spring; 50. a second rack; 51. a fifth gear; 52. a third limiting plate; 53. a fifth mounting groove; 54. a fifth chute; 55. a sixth mounting groove; 56. a sixth chute; 57. a seventh mounting groove; 58. a third card slot; 59. a seventh chute; 60. an eighth mounting groove; 61. a cabinet top plate; 62. mounting a shell; 63. a second rotating shaft; 64. a third rotating shaft; 65. a fourth rotating shaft; 66. a fifth rotating shaft; 67. a first chain; 68. a speed change mechanism; 69. a second chain; 70. a third chain; 71. a fourth chain; 72. a first drive pulley; 73. a first chain wheel; 74. a second chain wheel; 75. a second transmission wheel; 76. a sixth gear; 77. a first connecting sleeve; 78. a first mounting block; 79. a second mounting block; 80. an elastic cord; 81. a first support; 82. a second support; 83. a third chain wheel; 84. a fourth chain wheel; 85. a third support; 86. a fourth support; 87. a seventh gear; 88. an eighth gear; 89. a ninth gear; 90. a tenth gear; 91. an eleventh gear; 92. a twelfth gear; 93. a thirteenth gear; 94. a fourteenth gear; 95. a fifteenth gear; 96. a sixteenth gear; 97. a seventeenth gear; 98. a fifth chain wheel; 99. a sixth rotating shaft; 100. a seventh chain wheel; 101. a sixth chain wheel; 102. a third transmission wheel; 103. an eighteenth gear; 104. a second connecting sleeve; 105. a third connecting sleeve.

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. 1, 4 and 5, the cabinet comprises a cabinet bottom plate 16, a cabinet top plate 61, a U-shaped side plate 19 and a cabinet door 18, wherein as shown in fig. 2, 3 and 4, the U-shaped side plate is installed on the upper side of the cabinet bottom plate 16, the cabinet top plate 61 is installed on the upper side of the U-shaped side plate, and the cabinet door 18 is hinged to one end of the U-shaped side plate through a fourth rotating shaft 65; the other ends of the cabinet door 18 and the U-shaped side plate are provided with a door hasp 15; the method is characterized in that: as shown in fig. 5, two limiting slide blocks 6 are symmetrically installed on the lower end surface of the cabinet body bottom plate 16, as shown in fig. 2, two limiting slide grooves 7 are symmetrically opened on the ground 5, and the cabinet body bottom plate 16 is installed on the ground 5 through the sliding fit of the two limiting slide blocks 6 and the two limiting slide grooves 7; as shown in fig. 4 and 5, the two ends of the U-shaped side plate are provided with a first swing side plate 17 and a second swing side plate 20, the first swing side plate 17 is hinged to one end of the U-shaped side plate through a third rotating shaft 64, one end of the second swing side plate 20 is hinged to the other end of the U-shaped side plate through a fifth rotating shaft 66, and the other end of the second swing side plate 20 is hinged to the cabinet door 18 through a fourth rotating shaft 65; two walking wheels 13 are symmetrically arranged on the front side and the rear side of the lower end of the cabinet body bottom plate 16.

The limiting slide block 6 and the limiting slide groove 7 are designed to ensure that when the cabinet body integrally moves outwards, after the limiting slide groove 7 limits the limiting slide block 6, both sides of the first swing side plate 17 and the second swing side plate 20 on the U-shaped side plate are also separated from the equipment 1 on both sides, the first swing side plate 17 and the second swing side plate 20 can be unfolded towards both sides, and in this case, the first swing side plate 17 and the second swing side plate 20 are attached to the front side surfaces of the equipment 1 on both sides after being unfolded.

The invention designs the traveling wheels 13 to reduce the moving resistance of the cabinet in the moving process.

As shown in fig. 2 and 3, two U-shaped strips are symmetrically mounted on the back wall 4 corresponding to the rear ends of the U-shaped side plates, and the facing sides of the U-shaped strips are provided with teeth; as shown in fig. 5, the first rotating shaft 21 and the second rotating shaft 63 are symmetrically and rotatably installed at the rear end of the U-shaped side plate, two first gears 14 are respectively installed on the first rotating shaft 21 and the second rotating shaft 63 in an up-down symmetrical manner, and the two first gears 14 located at the same height are engaged with the teeth on the U-shaped bar at the corresponding height.

As shown in fig. 6, a locking mechanism 22 is installed between the cabinet door 18 and the second swing side plate 20.

As shown in fig. 12, three eighth mounting grooves 60 are uniformly formed in the upper and lower end surfaces of the second swing side plate 20 close to the cabinet door 18; as shown in fig. 8, 9 and 11, a first clamping groove 31, a second clamping groove 42 and a third clamping groove 58 are sequentially formed in the upper and lower sides of the cabinet door 18 close to the second swing side plate 20, and one sides of the first clamping groove 31 and the third clamping groove 58 are provided with arc surfaces; an included angle of 30 degrees is formed between the first clamping groove 31 and the door surface of the cabinet door 18, an included angle of 120 degrees is formed between the second clamping groove 42 and the first clamping groove 31, and the second clamping groove 42 is parallel to the door surface of the cabinet door 18; an included angle of 90 degrees is formed between the third clamping groove 58 and the second clamping groove 42, and an included angle of 210 degrees is formed between the third clamping groove 58 and the first clamping groove 31; as shown in fig. 8, one side of the first card slot 31 is provided with a third sliding groove 37, one side of the third sliding groove 37 is provided with a third mounting groove 36, one side of the third mounting groove 36 is provided with a first sliding groove 32, one side of the first sliding groove 32 is provided with a first mounting groove 33, one side of the first mounting groove 33 is provided with a second sliding groove 34, and as shown in fig. 9, one side of the second sliding groove 34 is provided with a second mounting groove 35; a fourth sliding groove 43 is formed in one side of the second clamping groove 42, and a fourth mounting groove 44 is formed in one side of the fourth sliding groove 43; as shown in fig. 11, a seventh sliding groove 59 is formed at one side of the third slot 58, a seventh mounting groove 57 is formed at one side of the seventh sliding groove 59, a sixth sliding groove 56 is formed at one side of the seventh mounting groove 57, a sixth mounting groove 55 is formed at one side of the sixth sliding groove 56, a fifth mounting groove 53 is formed at one side of the sixth sliding groove 56, and a fifth mounting groove is formed at one side of the fifth mounting groove 53.

As shown in fig. 6, 7, 9 and 10, the locking mechanism 22 includes a first locking block 23, a second return spring 24, a first limiting plate 25, a second gear 26, a first rack 27, a third gear 28, a first trigger plate 29, a third return spring 30, a second locking block 38, a fourth return spring 39, a second limiting plate 40, a fifth return spring 41, a third locking block 45, a sixth return spring 46, a fourth gear 47, a second trigger plate 48, a seventh return spring 49, a second rack 50, a fifth gear 51 and a third limiting plate 52, wherein as shown in fig. 7, the first locking block is slidably mounted in one of three eighth mounting grooves 60 formed in the second swing side plate 20, and the second return spring 24 is mounted between one end of the first locking block located in the corresponding eighth mounting groove 60 and the corresponding eighth mounting groove 60; one side of the first limit plate 25 is provided with teeth, the first limit plate 25 is slidably arranged in the third sliding chute 37, and the first limit plate 25 is matched with the first clamping block; the second gear 26 is rotatably installed in the third installation groove 36, and the second gear 26 is engaged with the teeth on the first limit plate 25; the first rack 27 is slidably mounted in the first sliding chute 32, and the first rack 27 is meshed with the second gear 26; the third gear 28 is rotatably installed in the first installation groove 33, and the first rack 27 is engaged with the third gear 28; one side of the first trigger plate 29 is provided with teeth, the first trigger plate 29 is slidably mounted in the second sliding chute 34, and the teeth on the first trigger plate 29 are meshed with the third gear 28; a third return spring 30 is arranged between the first trigger plate 29 and the second mounting groove 35; as shown in fig. 9, the second latch is slidably mounted in one of the three eighth mounting grooves 60 formed in the second swing side plate 20, and a fourth return spring 39 is mounted between one end of the second latch located in the corresponding eighth mounting groove 60 and the inner end surface of the corresponding eighth mounting groove 60; the second limiting plate 40 is slidably mounted in the fourth sliding chute 43, and the second limiting plate 40 is matched with the second fixture block; one end of the second limiting plate 40 extends out of the front end face of the cabinet door 18; a fifth return spring 41 is installed between the second limit plate 40 and the fourth mounting groove 44; as shown in fig. 10, the third latch 45 is slidably mounted in another of the three eighth mounting grooves 60 formed in the second swing side plate 20, and a sixth return spring 46 is mounted between one end of the third latch 45 located in the corresponding eighth mounting groove 60 and the inner end surface of the corresponding eighth mounting groove 60; one side of the third limit plate 52 is provided with teeth, the third limit plate 52 is slidably arranged in the seventh chute 59, and the third limit plate 52 is matched with the third block 45; the fifth gear 51 is rotatably installed in the seventh installation groove 57, and the fifth gear 51 is engaged with the teeth on the third restriction plate 52; the second rack 50 is slidably mounted in the sixth sliding chute 56, and the second rack 50 is meshed with the fifth gear 51; the fourth gear 47 is rotatably installed in the fifth installation groove 53, and the second rack 50 is engaged with the fourth gear 47; one side of the third trigger plate is provided with teeth, the third trigger plate is slidably mounted in the fifth chute 54, and the teeth on the third trigger plate are meshed with the fourth gear 47; a seventh return spring 49 is installed between the second rack 50 and the sixth mounting groove 55.

In the invention, after the cabinet body is reset, the first trigger plate 29 is manually pulled to enable the first trigger plate 29 to move towards the inner side of the cabinet door 18, the first trigger plate 29 moves to drive the third gear 28 to rotate, the third gear 28 rotates to drive the first rack 27 to move, the first rack 27 moves to drive the second gear 26 to rotate, the second gear 26 rotates to drive the first limiting plate 25 to slide, the limitation on the first clamping block is removed, at the moment, the cabinet door 18 is manually pulled, and the third clamping block 45 passes through the third clamping groove 58 through the cambered surface on the third clamping groove 58, so that the cabinet door 18 and the second swing side plate 20 are distributed at 90 degrees. The seventh return spring 49 serves to return the second trigger plate 48 and the third stopper plate 52.

As shown in fig. 3, the floor 5 is provided with a limiting rod 8 for limiting the bottom plate 16 of the cabinet, and the limiting rod 8 can be manually adjusted.

In the invention, when the cabinet door 18 is driven to be opened by 180 degrees, in order to enable the elastic rope 80 between the fourth rotating shaft 65 and the first driving wheel 72 to store force, the first driving wheel 72 needs to be static, in order to realize the effect, the first swinging side plate 17 and the second swinging side plate 20 need to be incapable of swinging, the whole cabinet body cannot move outwards, at the moment, the first swinging side plate 17 and the second swinging side plate 20 are limited by the equipment 1 at two sides and cannot swing, and the cabinet body only needs to be limited by outwards sliding, and whether the cabinet body moves or not is manually controlled by the designed limiting rod 8.

The upper ends of the first rotating shaft 21, the second rotating shaft 63 and the third rotating shaft 64 penetrate through the inner side of the cabinet top plate 61, the upper end of the fourth rotating shaft 65 is provided with a first driving wheel 72, and two elastic ropes 80 are arranged between the first driving wheel 72 and the fourth rotating shaft 65 in the positive and negative directions; a second transmission wheel 75 is arranged at the upper end of the fifth rotating shaft 66, two elastic ropes 80 are arranged between the second transmission wheel 75 and the fifth rotating shaft 66 in the positive and negative directions, a third transmission wheel 102 is arranged at the upper end of the third rotating shaft 64, and two elastic ropes 80 are arranged between the third transmission wheel 102 and the third rotating shaft 64 in the positive and negative directions; the first rotating shaft 21, the second rotating shaft 63, the third driving wheel 102, the first driving wheel 72 and the second driving wheel 75 are in transmission connection through gears, chain wheels and chains; when the limiting rod 8 does not relieve the limitation on the bottom plate 16 of the cabinet body, after the cabinet door 18 is opened by 180 degrees outwards, the cabinet door 18 can drive the elastic rope 80 at one side of the opening direction of the cabinet door 18 between the fourth rotating shaft 65 and the first driving wheel 72 to store force through the fourth rotating shaft 65; the third block 45 is limited by the third clamping groove 58 and the third limiting plate 52; after the cabinet door 18 is opened by 180 degrees, the limit of the limiting rod 8 on the bottom plate 16 of the cabinet body is released, at this time, the first transmission wheel 72 drives the second transmission wheel 75 to rotate through the chain wheel and the chain under the action of the corresponding elastic rope 80, the second transmission wheel 75 rotates to enable the elastic rope 80 in the rotating direction between the second transmission wheel 75 and the fifth rotating shaft 66 to store force, meanwhile, the second transmission wheel 75 drives the first rotating shaft 21 to rotate through the transmission of the gear, the chain wheel and the chain, the first rotating shaft 21 rotates to drive the two first gears 14 thereon on the one hand, on the other hand, the first rotating shaft 21 rotates to drive the second rotating shaft 63 to rotate through the transmission of the gear, the chain wheel and the chain, on the other hand, the second rotating shaft 63 rotates to drive the third transmission wheel 102 to rotate through the transmission of the gear, and the third transmission wheel 102 rotates to enable the elastic rope 80 in the rotating direction between the third rotating shaft 64 and the third rotating shaft 102 to rotate Storing the force; the four first gears 14 rotate to drive the U-shaped side plates, the cabinet body bottom plate 16, the cabinet body top plate 61 and the cabinet door 18 to move outwards together under the action of the two U-shaped strips; after the limiting sliding chute 7 is moved to limit the limiting sliding block 6, the U-shaped side plate, the cabinet body bottom plate 16, the cabinet body top plate 61 and the cabinet door 18 stop moving outwards, and at the moment, the limiting rod 8 limits the cabinet door 18 bottom plate again; the second driving wheel 75 and the third driving wheel 102 drive the fifth rotating shaft 66 and the third rotating shaft 64 to drive the second swing side plate 20 and the first swing side plate 17 to open towards two sides respectively under the action of the corresponding elastic rope 80, in the opening process, after the second trigger plate 48 contacts with the equipment 1 at two sides, the second trigger plate 48 is extruded and triggered, the third limiting plate 52 relieves the limitation on the third clamping block 45, and at the moment, under the action of the elastic rope 80 between the first driving wheel 72 and the fourth rotating shaft 65, the cabinet door 18 swings back relative to the second swing side plate 20; finally, the cabinet door 18, the first swing side plate 17 and the second swing side plate 20 are attached to the equipment 1 on both sides.

As shown in fig. 16, the inner circular surfaces of the first driving wheel 72, the second driving wheel 75 and the third driving wheel 102 are respectively and fixedly provided with a second mounting block 79, the outer circular surfaces of the fourth rotating shaft 65, the fifth rotating shaft 66 and the third rotating shaft 64 are respectively and fixedly provided with a first mounting block 78, and an elastic rope 80 is respectively arranged between the three first mounting blocks 78 and the second mounting blocks 79 on the corresponding rotating shafts at the front side and the back side.

The reason for designing the two elastic ropes 80 between the same driving wheel and the corresponding rotating shaft is to ensure that the cabinet door 18 can play a role in storing energy through the elastic ropes 80 in the opening and closing processes, and ensure that the cabinet body can be opened and reset smoothly.

As shown in fig. 4, 13 and 15, the mounting case 62 is fixedly mounted on the upper side of the first swing side plate 17, as shown in fig. 13 and 14, the upper ends of the fourth rotating shaft 65 and the fifth rotating shaft 66 are located in the mounting case 62, as shown in fig. 16, the first chaining wheel 73 is rotatably mounted on the fourth rotating shaft 65, and the first chaining wheel 73 is fixedly connected with the first driving wheel 72; the second chaining wheel 74 is rotatably mounted on the fifth rotating shaft 66, and the second chaining wheel 74 is fixedly connected with the second transmission wheel 75; the first chain wheel 73 is connected with the second chain wheel 74 through the first chain 67; the sixth gear 76 is rotatably mounted on the fifth rotating shaft 66, and the sixth gear 76 is fixedly connected with the second chain wheel 74 through a second connecting sleeve 104; the fourth chain wheel 84 is fixedly arranged on the first rotating shaft 21, and the fourth chain wheel 84 is in transmission connection with the sixth gear 76 through the fourth chain 71 and the speed change mechanism 68; as shown in fig. 18, the sixteenth gear 96 is fixedly installed on the first rotating shaft 21, the sixth rotating shaft 99 is rotatably installed in the cabinet top plate 61, the seventeenth gear 97 is fixedly installed at the upper end of the sixth rotating shaft 99, and the seventeenth gear 97 is meshed with the sixteenth gear 96; as shown in fig. 19, the fifth chain wheel 98 is fixedly installed at the lower end of the sixth rotating shaft 99, the sixth chain wheel 101 is fixedly installed on the second rotating shaft 63, and the sixth chain wheel 101 is connected to the fifth chain wheel 98 through the second chain 69; the seventh chaining wheel 100 is fixedly arranged on the second rotating shaft 63, the eighteenth gear 103 is rotatably arranged on the third rotating shaft 64, and the eighteenth gear 103 is fixedly connected with the third driving wheel 102; the eighteenth gear 103 is in driving connection with the third chain 70 through the speed change mechanism 68.

As shown in fig. 17, the speed change mechanism 68 includes a first support 81, a second support 82, a third chain wheel 83, a third support 85, a fourth support 86, a seventh gear 87, an eighth gear 88, a ninth gear 89, a tenth gear 90, an eleventh gear 91, a twelfth gear 92, a thirteenth gear 93, a fourteenth gear 94 and a fifteenth gear 95, wherein the fifteenth gear 95 and the seventh gear 87 are rotatably mounted in the cabinet top plate 61 through the third support 85, and the fifteenth gear 95 is meshed with the seventh gear 87; an eighth gear 88 and a ninth gear 89 are coaxially rotatably mounted on the third support 85, and the eighth gear 88 is meshed with the seventh gear 87; the fourth support 86 is fixedly arranged in the cabinet body fixed plate, a tenth gear 90 and a tenth gear 90 are coaxially arranged on the fourth support 86, and the tenth gear 90 is meshed with the ninth gear 89; the first support 81 is fixedly arranged in the cabinet top plate 61, the eleventh gear 91 and the twelfth gear 92 are coaxially arranged on the first support 81, and the eleventh gear 91 is meshed with the thirteenth gear 93; the second support 82 is fixedly mounted to the cabinet top plate 61, the third sprocket 83 and the fourteenth gear 94 are coaxially mounted to the second support 82, and the fourteenth gear 94 is in meshing engagement with the twelfth gear 92.

With respect to the speed change mechanism 68 between the sixth gear 76 and the third chain wheel 83, a fifteenth gear 95 is engaged with the sixth gear 76, and the third chain wheel 83 and the fourth chain wheel 84 are connected by the fourth chain 71.

With respect to the speed change mechanism 68 between the seventh sprocket 100 and the eighteenth gear 103, the eighteenth gear 103 is engaged with the sixth gear 76, and the third sprocket 83 is connected to the seventh sprocket 100 by the third chain 70.

Two elastic pads 3 are respectively and symmetrically arranged on the equipment 1 at the two sides. The cabinet body after being unfolded is supported by the elastic cushion 3, and the cabinet body is prevented from colliding with the equipment 1 on the two sides in the unfolding process.

The limiting strips 9 are symmetrically provided with two limiting grooves 10, the limiting strips 9 are fixedly arranged on one side of a bottom plate 16 of the cabinet body, the limiting rods 8 are slidably arranged on the ground 5, and first reset springs 11 are arranged between the limiting rods 8 and the ground 5. The first return spring 11 plays a role in returning the limiting rod 8.

The first return spring 11 is a compression spring and has a preload.

The second return spring 24, the fourth return spring 39, and the sixth return spring 46 are compression springs, and have the same pressure.

The first chain wheel 73 is fixedly connected with the first driving wheel 72 through a first connecting sleeve 77; the second chaining wheel 74 is fixedly connected to the second transmission wheel 75 through the first connecting sleeve 77.

The eighteenth gear 103 is fixedly connected with the third transmission wheel 102 through a third connecting sleeve 105.

The specific working process is as follows: when the mechanism designed by the invention is used, as shown in a on the left side in fig. 20, when maintenance is needed, firstly, the limiting rod 8 is matched with the limiting groove 10 of the limiting strip 9 close to the outer side to limit outward movement of the cabinet body; as shown in b on the left side of fig. 20, the cabinet door 18 is opened, so that the cabinet door 18 is opened 180 degrees relative to the cabinet 2, and swings to 90 degrees from the inner side to the outer side relative to the second swing side plate 20, after the cabinet door is opened, the third locking groove 58 corresponding to the third locking block 45 just swings to the position corresponding to the third locking block 45, at this time, the third locking block 45 slides and extends into the third locking groove 58 under the action of the sixth return spring 46, and the cabinet door 18 is limited after being opened to 180 degrees relative to the cabinet 2 through the cooperation of the third locking groove 58 and the third locking block 45; the elastic cord 80 between the third shaft 64 and the first drive pulley 72 stores force; then, the limit of the limit rod 8 on the limit bar 9 is manually released, namely, the limit of outward movement of the cabinet body is released, at this time, under the action of the elastic rope 80 between the fourth rotating shaft 65 and the first driving wheel 72, the first driving wheel 72 drives the first chain wheel 73 to rotate through the corresponding first connecting sleeve 77, the first chain wheel 73 rotates and drives the second chain wheel 74 to rotate through the first chain 67, and on the other hand, the second chain wheel 74 rotates and drives the second driving wheel 75 to rotate through the corresponding first connecting sleeve 77; on the other hand, the second chain wheel 74 drives the sixth gear 76 to rotate through the second connecting sleeve 104; at this time, the first swing side plate 17 and the second swing side plate 20 are limited by the devices 1 at the two sides and cannot swing, so that the second transmission wheel 75 rotates to drive the corresponding elastic rope 80 to store force; the rotation of the sixth gear 76 drives the fifteenth gear 95 of the corresponding speed-changing mechanism 68 to rotate, the rotation of the fifteenth gear 95 drives the seventh gear 87 to rotate, the rotation of the seventh gear 87 drives the eighth gear 88 to rotate, the rotation of the eighth gear 88 drives the ninth gear 89 to rotate, the rotation of the ninth gear 89 drives the tenth gear 90 engaged therewith to rotate, the rotation of the tenth gear 90 drives the thirteenth gear 93 coaxial therewith to rotate, the rotation of the thirteenth gear 93 drives the eleventh gear 91 engaged therewith to rotate, the rotation of the eleventh gear 91 drives the twelfth gear 92 coaxial therewith to rotate, the rotation of the twelfth gear 92 drives the fourteenth gear 94 engaged therewith to rotate, the rotation of the fourteenth gear 94 drives the third chain wheel 83 coaxial therewith to rotate, the rotation of the third chain wheel 83 drives the fourth chain wheel 84 to rotate through the fourth chain 71, the rotation of the fourth chain wheel 84 drives the first rotating shaft 21 to rotate, the first rotating shaft 21 rotates to drive the sixteenth gear 96 to rotate, the sixteenth gear 96 rotates to drive the seventeenth gear 97 to rotate, the seventeenth gear 97 rotates to drive the fifth chain wheel 98 to rotate, the fifth chain wheel 98 rotates to drive the sixth chain wheel 101 to rotate through the second chain 69, the sixth chain wheel 101 rotates to drive the second rotating shaft 63 to rotate, the second rotating shaft 63 rotates to drive the seventh chain wheel 100 to rotate, the seventh chain wheel 100 rotates to drive the third chain wheel 83 in the corresponding speed change mechanism 68 to rotate through the third chain 70, and then drives the eighteenth gear 103 to rotate, the eighteenth gear 103 rotates to drive the third driving wheel 102 to rotate through the third connecting sleeve 105, and the third driving wheel 102 rotates to drive the corresponding elastic rope 80 to store force.

The effect of initially opening the cabinet door 18 180 degrees instead of 90 degrees is: after opening 180 degrees, second swing curb plate 20 can drive cabinet door 18 and normally outwards swing, if when beginning to be the condition of pendulum 90 degrees, cabinet door 18 can strike the wall in passageway along with second swing curb plate 20 opens for the unable normal motion of the cabinet body.

When the first rotating shaft 21 and the second rotating shaft 63 are driven to rotate, the first rotating shaft 21 and the second rotating shaft 63 drive the four first gears 14 mounted thereon to rotate, because the four first gears 14 are engaged with the teeth on the two U-shaped bars, and the two U-shaped bars are fixedly mounted on the back wall 4, and are in a stationary state in the stationary state, when the four first gears 14 rotate, the two U-shaped bars drive the four first gears 14 to move, as shown in c on the left side in fig. 20, the four first gears 14 move to drive the cabinet to move integrally.

As shown in d on the left side of fig. 20, after the cabinet moves outwards to be limited by the limiting slide block 6 and the limiting slide groove 7, the cabinet stops moving, at this time, the first swing side plate 17 and the second swing side plate 20 are opened under the action of the corresponding elastic rope 80, in the process that the first swing side plate 17 and the second swing side plate 20 are opened towards two sides, as shown in e on the left side of fig. 20, after the second trigger plate 48 on the cabinet door 18 is contacted with the equipment 1 on two sides, the equipment 1 presses the second trigger plate 48, the second trigger plate 48 is pressed to move towards the inner side of the cabinet door 18, the second trigger plate 48 moves to drive the fourth gear 47 to rotate, the fourth gear 47 rotates to drive the second rack 50 to move, the second rack 50 moves to drive the fifth gear 51 to rotate, the fifth gear 51 rotates to drive the third limiting plate 52 to slide, the limiting on the third block 45 is released, at this time, under the action of the elastic rope 80 between the fourth rotating shaft 65 and the first driving wheel, the cabinet door 18 reversely swings relative to the second swing side plate 20, the third clamping block 45 crosses the third clamping groove 58 through the arc surface on the third clamping groove 58, as shown by f on the left side in fig. 20, so that the cabinet door 18 finally adheres to the equipment 1, the cabinet door 18 is basically coplanar with the second swing side plate 20 at the moment, meanwhile, the second clamping block and the second clamping groove 42 limit the cabinet door 18, the cabinet body is opened at the moment, and the cabinet door 18, the first swing side plate 17 and the second swing side plate 20 all adhere to the equipment 1 on the two sides, so that maintenance by workers is facilitated; at this time, the limit rod 8 is clamped in the limit groove 10 of the limit strip 9 close to the inner side under the action of the first return spring 11 to limit the cabinet 2 again.

When the cabinet is closed, firstly, the second limiting plate 40 is manually pulled to enable the second limiting plate 40 to release the limiting on the second fixture block, after the second limiting plate 40 releases the limiting on the second fixture block, as shown in a on the right side in fig. 20, the second swinging side plate 20 is manually pulled, as shown in b on the right side in fig. 20, the cabinet door 18 is swung back to a position which forms a 120-degree included angle with the second swinging side plate 20, the first fixture block and the first clamping groove 31 are matched to limit the cabinet door 18, at this time, the limiting rod 8 limits the inward movement of the cabinet 2, and the elastic rope 80 between the cabinet door 18 and the second swinging side plate 20 stores force reversely; then the limiting of the limiting rod 8 on the limiting groove 10 at the inner side is released, namely the limiting of the cabinet 2 is released, the fourth rotating shaft 65, the first driving wheel 72, the fifth rotating shaft 66, the second driving wheel 75, the third rotating shaft 64 and the elastic rope 80 on the third driving wheel 102 reversely store force, the cabinet body is reversely and sequentially reset, in the resetting process, the cabinet door 18 swings back 30 degrees relative to the initial closing state, so that the space occupied by the cabinet door 18 in the resetting process can be reduced, after the cabinet body is reset, the first trigger plate 29 is manually pulled to enable the first trigger plate 29 to move towards the inner side of the cabinet door 18, the first trigger plate 29 moves to drive the third gear 28 to rotate, the third gear 28 rotates to drive the first rack 27 to move, the first rack 27 moves to drive the second gear 26 to rotate, the second gear 26 rotates to drive the first limiting plate 25 to slide, the limiting of the first clamping block is released, at this time, the cabinet door 18 is manually pulled, the third block 45 passes over the third slot 58 by the arc on the third slot 58, as shown in the right side c of fig. 20, so that the cabinet door 18 is distributed at 90 degrees to the second swing side plate 20.

Claims

1. A cabinet comprises a cabinet body bottom plate, a cabinet body top plate, a U-shaped side plate and a cabinet door, wherein the U-shaped side plate is arranged on the upper side of the cabinet body bottom plate; the other ends of the cabinet door and the U-shaped side plate are provided with door hasps; the method is characterized in that: the lower end face of the cabinet body bottom plate is symmetrically provided with two limiting slide blocks, the ground is symmetrically provided with two limiting slide grooves, and the cabinet body bottom plate is arranged on the ground through the sliding fit of the two limiting slide blocks and the two limiting slide grooves; a first swing side plate and a second swing side plate are arranged at two ends of the U-shaped side plate, the first swing side plate is hinged to one end of the U-shaped side plate through a third rotating shaft, one end of the second swing side plate is hinged to the other end of the U-shaped side plate through a fifth rotating shaft, and the other end of the second swing side plate is hinged to the cabinet door through a fourth rotating shaft; two walking wheels are symmetrically arranged on the front side and the rear side of the lower end of the bottom plate of the cabinet body;

two U-shaped strips are symmetrically arranged on the back wall corresponding to the rear ends of the U-shaped side plates from top to bottom, and teeth are arranged on the opposite side surfaces of the U-shaped strips; the first rotating shaft and the second rotating shaft are symmetrically and rotatably arranged at the rear end of the U-shaped side plate, two first gears are respectively and vertically symmetrically arranged on the first rotating shaft and the second rotating shaft, and the two first gears positioned at the same height are meshed with teeth on the U-shaped strip at the corresponding height;

a clamping mechanism is arranged between the cabinet door and the second swing side plate;

three eighth mounting grooves are uniformly formed in the end face, close to one side of the cabinet door, of the second swing side plate up and down; a first clamping groove, a second clamping groove and a third clamping groove are sequentially formed in the upper part and the lower part of one side, close to the second swing side plate, of the cabinet door, and arc surfaces are formed in one sides of the first clamping groove and the third clamping groove; an included angle of 30 degrees is formed between the first clamping groove and the door surface of the cabinet door, an included angle of 120 degrees is formed between the second clamping groove and the first clamping groove, and the second clamping groove is parallel to the door surface of the cabinet door; an included angle of 90 degrees is formed between the third clamping groove and the second clamping groove, and an included angle of 210 degrees is formed between the third clamping groove and the first clamping groove; one side of the first clamping groove is provided with a third sliding groove, one side of the third sliding groove is provided with a third mounting groove, one side of the third mounting groove is provided with a first sliding groove, one side of the first sliding groove is provided with a first mounting groove, one side of the first mounting groove is provided with a second sliding groove, and one side of the second sliding groove is provided with a second mounting groove; one side of the second clamping groove is provided with a fourth sliding groove, and one side of the fourth sliding groove is provided with a fourth mounting groove; a seventh sliding groove is formed in one side of the third clamping groove, a seventh mounting groove is formed in one side of the seventh sliding groove, a sixth sliding groove is formed in one side of the seventh mounting groove, a sixth mounting groove is formed in one side of the sixth sliding groove, a fifth mounting groove is formed in one side of the sixth sliding groove, and a fifth safety sliding groove is formed in one side of the fifth mounting groove;

the clamping mechanism comprises a first clamping block, a second reset spring, a first limiting plate, a second gear, a first rack, a third gear, a first trigger plate, a third reset spring, a second clamping block, a fourth reset spring, a second limiting plate, a fifth reset spring, a third clamping block, a sixth reset spring, a fourth gear, a second trigger plate, a seventh reset spring, a second rack, a fifth gear and a third limiting plate, wherein the first clamping block is slidably mounted in one of three eighth mounting grooves formed in the second swing side plate, and a second reset spring is mounted between one end of the first clamping block located in the corresponding eighth mounting groove and the corresponding eighth inner end surface of the eighth mounting groove; one side of the first limiting plate is provided with teeth, the first limiting plate is slidably arranged in the third sliding chute, and the first limiting plate is matched with the first clamping block; the second gear is rotatably arranged in the third mounting groove and is meshed with the teeth on the first limiting plate; the first rack is slidably arranged in the first sliding chute and meshed with the second gear; the third gear is rotatably arranged in the first mounting groove, and the first rack is meshed with the third gear; one side of the first trigger plate is provided with teeth, the first trigger plate is slidably mounted in the second chute, and the teeth on the first trigger plate are meshed with the third gear; a third return spring is arranged between the first trigger plate and the second mounting groove; the second fixture block is slidably installed in one of three eighth installation grooves formed in the second swing side plate, and a fourth return spring is installed between one end, located in the corresponding eighth installation groove, of the second fixture block and the inner end face of the corresponding eighth installation groove; the second limiting plate is slidably arranged in the fourth sliding chute and matched with the second clamping block; one end of the second limiting plate extends out of the front end face of the cabinet door; a fifth return spring is arranged between the second limiting plate and the fourth mounting groove; the third clamping block is slidably arranged in the other one of the three eighth mounting grooves formed in the second swing side plate, and a sixth reset spring is arranged between one end, located in the corresponding eighth mounting groove, of the third clamping block and the inner end face of the corresponding eighth mounting groove; one side of the third limiting plate is provided with teeth, the third limiting plate is slidably arranged in the seventh sliding chute, and the third limiting plate is matched with the third clamping block; the fifth gear is rotatably arranged in the seventh mounting groove and is meshed with the teeth on the third limiting plate; the second rack is slidably arranged in the sixth sliding chute and is meshed with the fifth gear; the fourth gear is rotatably arranged in the fifth mounting groove, and the second rack is meshed with the fourth gear; one side of the third trigger plate is provided with teeth, the third trigger plate is slidably mounted in the fifth chute, and the teeth on the third trigger plate are meshed with the fourth gear; a seventh return spring is arranged between the second rack and the sixth mounting groove;

a limiting rod which has a limiting effect on the bottom plate of the cabinet body is arranged on the ground, and the limiting rod can be manually adjusted;

2. A cabinet according to claim 1, wherein: and the inner circular surfaces of the first driving wheel, the second driving wheel and the third driving wheel are respectively and fixedly provided with a second mounting block, the outer circular surfaces of the fourth rotating shaft, the fifth rotating shaft and the third rotating shaft are respectively and fixedly provided with a first mounting block, and elastic ropes are respectively arranged on the front side and the back side between the three first mounting blocks and the corresponding second mounting blocks on the rotating shafts.

3. A cabinet according to claim 1, wherein: the upper side of the first swinging side plate is fixedly provided with a mounting shell, the upper ends of a fourth rotating shaft and a fifth rotating shaft are positioned in the mounting shell, a first chain wheel is rotatably arranged on the fourth rotating shaft, and the first chain wheel is fixedly connected with a first driving wheel; the second chain wheel is rotatably arranged on the fifth rotating shaft and is fixedly connected with the second transmission wheel; the first chain wheel is connected with the second chain wheel through a first chain; the sixth gear is rotatably arranged on the fifth rotating shaft and is fixedly connected with the second chain wheel; the fourth chain wheel is fixedly arranged on the first rotating shaft and is in transmission connection with the sixth gear through a fourth chain and a speed change mechanism; the sixteenth gear is fixedly arranged on the first rotating shaft, the sixth rotating shaft is rotatably arranged in the top plate of the cabinet body, the seventeenth gear is fixedly arranged at the upper end of the sixth rotating shaft, and the seventeenth gear is meshed with the sixteenth gear; the fifth chain wheel is fixedly arranged at the lower end of the sixth rotating shaft, the sixth chain wheel is fixedly arranged on the second rotating shaft, and the sixth chain wheel is connected with the fifth chain wheel through a second chain; the seventh chain wheel is fixedly arranged on the second rotating shaft, the eighteenth gear is rotatably arranged on the third rotating shaft, and the eighteenth gear is fixedly connected with the third transmission wheel; and the eighteenth gear is in transmission connection with the third chain through a speed change mechanism.

4. A cabinet according to claim 3, wherein: the speed change mechanism comprises a first support, a second support, a third chain wheel, a third support, a fourth support, a seventh gear, an eighth gear, a ninth gear, a tenth gear, an eleventh gear, a twelfth gear, a thirteenth gear, a fourteenth gear and a fifteenth gear, wherein the fifteenth gear and the seventh gear are rotatably mounted in the top plate of the cabinet body through the third support, and the fifteenth gear is meshed with the seventh gear; the eighth gear and the ninth gear are coaxially and rotatably arranged on the third support, and the eighth gear is meshed with the seventh gear; the fourth support is fixedly arranged in the fixed plate of the cabinet body, the tenth gear and the tenth gear are coaxially arranged on the fourth support, and the tenth gear is meshed with the ninth gear; the first support is fixedly arranged in the top plate of the cabinet body, the eleventh gear and the twelfth gear are coaxially arranged on the first support, and the eleventh gear is meshed with the thirteenth gear; the second support is fixedly arranged on the top plate of the cabinet body, the third chain wheel and the fourteenth gear are coaxially arranged on the second support, and the fourteenth gear is meshed with the twelfth gear;

for the speed change mechanism between the sixth gear and the third chain wheel, the fifteenth gear is meshed with the sixth gear, and the third chain wheel is connected with the fourth chain wheel through a fourth chain;

5. A cabinet according to claim 1, wherein: two elastic cushions are respectively and vertically symmetrically arranged on the equipment at the two sides.

6. A cabinet according to claim 1, wherein: the symmetrical division has two spacing grooves on the spacing, and spacing fixed mounting is in one side of cabinet body bottom plate, and the gag lever post slidable mounting is subaerial, and installs first reset spring between gag lever post and the ground.

7. A cabinet according to claim 6, wherein: the first return spring is a compression spring and has pre-pressure.

8. A cabinet according to claim 1, wherein: the second return spring, the fourth return spring and the sixth return spring are compression springs and have pressure.

9. A cabinet according to claim 3, wherein: the first chain wheel is fixedly connected with the first driving wheel through a first connecting sleeve; the second chain wheel is fixedly connected with the second transmission wheel through a first connecting sleeve.

10. A cabinet according to claim 3, wherein: the eighteenth gear is fixedly connected with a third driving wheel through a third connecting sleeve.