CN112135464B

CN112135464B - Cabinet convenient to maintain

Info

Publication number: CN112135464B
Application number: CN202011222931.8A
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: 2021-08-27
Anticipated expiration: 2040-11-05
Also published as: CN112135464A

Abstract

The invention belongs to the technical field of cabinets, and particularly relates to a cabinet convenient to maintain, 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 swinging 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

Cabinet convenient to maintain

Technical Field

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

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 convenient to maintain to solve the problems.

Disclosure of Invention

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

A cabinet convenient to maintain 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; one end of the U-shaped side plate is provided with a swinging side plate, one end of the swinging side plate is hinged to the U-shaped side plate through a fifth rotating shaft, and the other end of the swinging 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 sides of the U-shaped strips which are supposed to face; 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 swing side plate; the card mechanism plays the spacing locking effect to the cabinet door 180 degrees, 90 degrees and minus 30 degrees open.

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 mounted at the upper end of the fifth rotating shaft, two elastic ropes are mounted between the second driving wheel and the fifth rotating shaft in the positive and negative directions, a third driving wheel is mounted at the upper end of the third rotating shaft, and two elastic ropes are mounted between the third driving wheel and the third rotating shaft in the positive and negative directions.

The upper side of the swing side plate is fixedly provided with an installation shell, the upper ends of the fourth rotating shaft and the fifth rotating shaft are positioned in the installation shell, an eighteenth gear is rotatably arranged on the fourth rotating shaft, and the eighteenth gear is fixedly connected with the first driving wheel; the third rotating shaft is arranged in the mounting shell through a second support, the fourteenth gear is fixedly arranged at one end of the third rotating shaft, and the fourteenth gear is meshed with the eighteenth gear; the seventeenth gear is fixedly arranged at the other end of the third rotating shaft; the eighth rotating shaft is fixedly arranged in the mounting shell, the twenty-first gear is rotatably arranged on the eighth rotating shaft, and the twenty-first gear is meshed with the seventeenth gear; the nineteenth gear is rotatably arranged on the fifth rotating shaft and is fixedly connected with the second driving wheel; the sixth gear is rotatably arranged on the fifth rotating shaft and is fixedly connected with the second gear; the seventh rotating shaft is arranged in the top plate of the cabinet body through a sixth support, the twenty-fifth gear is fixedly arranged at one end of the first rotating shaft, and the twenty-fifth gear is in transmission connection with the sixth gear through a speed change mechanism; the twenty-sixth gear is fixedly arranged at the other end of the seventh rotating shaft, the twentieth gear is fixedly arranged on the first rotating shaft, and the twentieth gear is meshed with the twenty-sixth gear; a sixteenth gear is fixedly arranged on the first rotating shaft, the sixth rotating shaft is arranged in the top plate of the cabinet body through a fifth support, a twentieth gear is fixedly arranged at one end of the first rotating shaft, and a twelfth gear is meshed with the sixteenth gear; and the twenty-third gear is fixedly arranged at the other end of the seventh rotating shaft, the twenty-fourth gear is fixedly arranged on the second rotating shaft, and the twenty-third gear is meshed with the twenty-fourth gear.

After the cabinet door is opened outwards for 180 degrees, the clamping mechanism limits the cabinet door; in the process that the swinging side plate is opened relative to the U-shaped side plate, the clamping mechanism automatically relieves the 180-degree limit of the cabinet door; when the cabinet door swings back to 90 degrees relative to the swinging side plate, the clamping mechanism limits the cabinet door again, and the limitation in the state needs manual unlocking; when the cabinet door reversely swings back for 30 degrees in a closing state, the clamping mechanism can limit the cabinet door, and the limit in the closing state needs to be manually unlocked.

As a further improvement of the technology, three eighth mounting grooves are uniformly formed in the end surface of the swing side plate, which is close to one side of the cabinet door, from top to bottom; 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 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 arranged in one of three eighth mounting grooves formed in the swing side plate, and a second reset spring is arranged between one end of the first clamping block, which is positioned in the corresponding eighth mounting groove, and the inner end surface of the corresponding 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 arranged in one of three eighth mounting grooves formed in the swing side plate, and a fourth reset spring is arranged between one end, corresponding to the eighth mounting groove, of the second fixture block and the inner end face of the corresponding eighth mounting 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 swing side plate, and a sixth reset spring is arranged between one end, positioned 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.

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 present technology, the speed change mechanism includes a first support, 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, 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 fifteenth gear is meshed with the sixth 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 twelfth gear is meshed with the twenty-fifth gear.

As a further improvement of the technology, two elastic cushions are symmetrically arranged on the equipment close to one side of the cabinet door from top to bottom.

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 eighteenth gear is fixedly connected with the first transmission wheel through a first connecting sleeve; the nineteenth gear is fixedly connected with the second transmission wheel through a first connecting sleeve.

As a further improvement of the technology, the eighteenth gear is fixedly connected with a third transmission wheel through a third connecting sleeve.

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

1. according to the invention, during maintenance, the cabinet door and the swing side plate are opened by controlling and are attached to the equipment on the corresponding side, the two side surfaces and the inner side surface of the original electric appliance are facing to maintenance personnel by the design, the original electric appliance is not easy to be mistakenly touched during maintenance, the maintenance space of the maintenance personnel is enlarged by the expansion of the two mounting surfaces during the maintenance process, 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 swinging 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.

4. The cabinet disclosed by the invention has the advantages that only one swinging side plate swings after being unfolded, the structure is relatively simple under the condition of realizing the optimization of the maintenance space, and the maintenance requirement can be met.

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 transmission diagram of the fourth rotating shaft and the fifth rotating shaft.

Fig. 17 is a schematic view of the fifth shaft and the first shaft.

Fig. 18 is a schematic view of the second shaft and the first shaft drive.

Fig. 19 is a schematic of 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 fourteenth gear; 18. a cabinet door; 19. a U-shaped side plate; 20. swinging the 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 second support; 65. a fourth rotating shaft; 66. a fifth rotating shaft; 67. a third rotating shaft; 68. a speed change mechanism; 69. a sixth rotating shaft; 70. a seventeenth gear; 71. a seventh rotating shaft; 72. a first drive pulley; 73. an eighteenth gear; 74. a nineteenth gear; 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; 84. a twentieth gear; 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 twenty-first gear; 95. a fifteenth gear; 96. a sixteenth gear; 97. an eighth rotating shaft; 98. a second twelve gear; 99. a fifth support; 100. a twenty-third gear; 101. a twenty-fourth gear; 102. a twenty-fifth gear; 103. a twenty-sixth gear; 104. a second connecting sleeve; 105. and a sixth support.

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, one end of the U-shaped side plate is provided with a swing side plate 20, one end of the swing side plate 20 is hinged to the U-shaped side plate through a fifth rotating shaft 66, and the other end of the swing side plate 20 is hinged to the cabinet door 18 through a fourth rotating shaft 65; as shown in fig. 5, two traveling wheels 13 are symmetrically installed on the front and rear sides of the lower end of the cabinet 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, the swinging side plate 20 on the U-shaped side plate is also separated from the equipment 1 on the corresponding side, the swinging side plate 20 can be unfolded, and in this case, the swinging side plate 20 is attached to the front side surface of the equipment 1 on the corresponding side 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. 3 and 5, two U-shaped strips are symmetrically mounted on the back wall 4 corresponding to the rear ends of the U-shaped side plates, and teeth are arranged on the sides of the U-shaped strips which are supposed to face; 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, the first rotating shaft 21 and the second rotating shaft 63 are respectively provided with two first gears 14 in an up-down symmetrical mode, and the two first gears 14 located at the same height are meshed with teeth on the U-shaped strip at the corresponding height.

As shown in fig. 6, a locking mechanism 22 is installed between the cabinet door 18 and the swing side plate 20; the blocking mechanism 22 plays a role in limiting and locking the cabinet door 18 when the cabinet door is opened by 180 degrees, 90 degrees and minus 30 degrees.

The ground 5 is provided with a limiting rod 8 which has a limiting effect on the bottom plate 16 of the cabinet body, 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 swinging side plate 20 needs to be incapable of swinging, the whole cabinet body can not move outwards, and at the moment, the swinging side plate 20 is limited by the equipment 1 and can not swing, so that the cabinet body only needs to be limited by outwards sliding, and the invention manually controls whether the cabinet body moves or not through the designed limiting rod 8.

As shown in fig. 13 and 14, the upper ends of the first rotating shaft 21, the second rotating shaft 63 and the third rotating shaft 67 penetrate through the inner side of the cabinet top plate 61, as shown in fig. 16, 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 mounted at the upper end of the fifth rotating shaft 66, two elastic ropes 80 are mounted between the second transmission wheel 75 and the fifth rotating shaft 66 in the forward and reverse directions, a third transmission wheel is mounted at the upper end of the third rotating shaft 67, and two elastic ropes 80 are mounted between the third transmission wheel and the third rotating shaft 67 in the forward and reverse directions. 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. 13 and 15, the mounting case 62 is fixedly mounted on the upper side of the swing side plate 20, as shown in fig. 14, the upper ends of the fourth rotating shaft 65 and the fifth rotating shaft 66 are located in the mounting case 62, the eighteenth gear 73 is rotatably mounted on the fourth rotating shaft 65, and the eighteenth gear 73 is fixedly connected with the first driving wheel 72; the third rotating shaft 67 is installed in the installation shell 62 through the second support 64, the fourteenth gear 17 is fixedly installed at one end of the third rotating shaft 67, and the fourteenth gear 17 is meshed with the eighteenth gear 73; a seventeenth gear 70 is fixedly installed at the other end of the third rotating shaft 67; the eighth rotating shaft 97 is fixedly installed in the installation shell 62, the twenty-first gear 94 is rotatably installed on the eighth rotating shaft 97, and the twenty-first gear 94 is meshed with the seventeenth gear 70; the nineteenth gear 74 is rotatably mounted on the fifth rotating shaft 66, and the nineteenth gear 74 is fixedly connected with the second transmission wheel 75; the sixth gear 76 is rotatably mounted on the fifth rotating shaft 66, and the sixth gear 76 is fixedly connected with the second gear; the seventh rotating shaft 71 is mounted in the cabinet top plate 61 through a sixth support 105, the twenty-fifth gear 102 is fixedly mounted at one end of the first rotating shaft 21, and as shown in fig. 17, the twenty-fifth gear 102 is in transmission connection with the sixth gear 76 through a speed change mechanism 68; the twenty-sixth gear 103 is fixedly arranged at the other end of the seventh rotating shaft 71, the twentieth gear 84 is fixedly arranged on the first rotating shaft 21, and the twentieth gear 84 is meshed with the twenty-sixth gear 103; as shown in fig. 18, a sixteenth gear 96 is fixedly installed on the first rotating shaft 21, the sixth rotating shaft 69 is installed in the cabinet top plate 61 through a fifth support 99, a twelfth gear 98 is fixedly installed at one end of the first rotating shaft 21, and the twentieth gear 98 is meshed with the sixteenth gear 96; a twenty-third gear 100 is fixedly installed at the other end of the seventh rotating shaft 71, a twenty-fourth gear 101 is fixedly installed on the second rotating shaft 63, and the twenty-third gear 100 is engaged with the twenty-fourth gear.

After the cabinet door 18 is opened 180 degrees outwards, the blocking mechanism 22 limits the cabinet door 18; in the process that the swinging side plate 20 is opened relative to the U-shaped side plate, the clamping mechanism 22 relieves the limitation on the cabinet door 18180 degrees; when the cabinet door 18 swings back to 90 degrees relative to the swing side plate 20, the blocking mechanism 22 limits the cabinet door 18 again, and the limiting in this state needs to be unlocked manually; when the cabinet door 18 swings back 30 degrees in the opposite direction relative to the swing side plate 20, the blocking mechanism 22 can limit the position of the cabinet door 18, and the limit in this state needs to be manually unlocked.

As shown in fig. 12, three eighth mounting grooves 60 are uniformly formed in the upper and lower end surfaces of the 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 one side, close to the swing side plate 20, of the cabinet door 18, 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, a third sliding groove 37 is formed at one side of the first slot 31, a third mounting groove 36 is formed at one side of the third sliding groove 37, a first sliding groove 32 is formed at one side of the third mounting groove 36, a first mounting groove 33 is formed at one side of the first sliding groove 32, a second sliding groove 34 is formed at one side of the first mounting groove 33, and a second mounting groove 35 is formed at one side of the second sliding groove 34; as shown in fig. 9, a fourth sliding groove 43 is formed at one side of the second slot 42, and a fourth mounting groove 44 is formed at 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. 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 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 inner end surface of 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 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 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, when the cabinet door 18 reversely swings back for 30 degrees relative to the closed state, the first clamping groove 31 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 31 under the action of the second return spring 24, the cabinet door 18 swings back for 30 degrees relative to the second swing side plate 20 through the matching of the first clamping groove 31 and the first clamping block, and the passage space required by the cabinet body resetting is reduced.

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 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. 16, a second mounting block 79 is fixedly mounted on each of the inner circular surfaces of the first driving wheel 72, the second driving wheel 75 and the third driving wheel, a first mounting block 78 is fixedly mounted on each of the outer circular surfaces of the fourth rotating shaft 65, the fifth rotating shaft 66 and the third rotating shaft 67, and an elastic rope 80 is respectively mounted between each of the three first mounting blocks 78 and the corresponding second mounting block 79 on the rotating shaft on the front side and the back side.

As shown in fig. 17, the speed change mechanism 68 includes a first support 81, 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 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; the fifteenth gear 95 meshes with the sixth gear 76; 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 twelfth gear 92 meshes with the twenty-fifth gear 102.

Two elastic pads 3 are symmetrically arranged on the upper part and the lower part of the equipment 1 close to one side of the cabinet door 18. The cabinet body after being unfolded is supported by the elastic cushion 3, and the cabinet body is prevented from being unfolded with the equipment 1 on the two sides.

As shown in fig. 3, two limiting grooves 10 are symmetrically formed on the limiting strip 9, the limiting strip 9 is fixedly installed on one side of the cabinet body bottom plate 16, the limiting rod 8 is slidably installed on the ground 5, and a first return spring 11 is installed between the limiting rod 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 eighteenth gear 73 is fixedly connected to the first driving wheel 72 through a first connecting sleeve 77; the nineteenth gear 74 is fixedly connected to the second transmission wheel 75 via a first coupling sleeve 77.

The eighteenth gear 73 is fixedly connected with the third transmission wheel through a third connecting sleeve.

The specific working process is as follows: when the mechanism designed by the invention is used, as shown in a left a in fig. 19, 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 the left b in fig. 19, 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 swing side plate 20 from 90 degrees, after the cabinet door is opened, the third locking groove 58 corresponding to the third locking block 45 just swings to a 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 opened to 180 degrees relative to the cabinet 2 by the cooperation of the third locking groove 58 and the third locking block 45 to have a limiting effect; the elastic cord 80 between the third shaft 67 and the first drive pulley 72 stores force; then, the limiting of the limiting bar 9 by the limiting rod 8 is manually released, that is, the limiting of the 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 eighteenth gear 73 to rotate through the corresponding first connecting sleeve 77, the eighteenth gear 73 drives the third rotating shaft 67 to rotate, the third rotating shaft 67 rotates to drive the seventeenth gear 70 to rotate, the seventeenth gear 70 rotates to drive the twenty-first gear 94 to rotate, and the twenty-first gear 94 rotates to drive the nineteenth gear 74 to rotate; the nineteenth gear 74 rotates to drive the second transmission wheel 75 to rotate through the corresponding first connecting sleeve 77; on the other hand, the nineteenth gear 74 drives the sixth gear 76 to rotate through the second connecting sleeve 104; therefore, the swing side plate 20 is limited by the equipment 1 and can not swing, so that the second transmission wheel 75 rotates to drive the corresponding elastic rope 80 to store force; the sixth gear 76 rotates to drive the fifteenth gear 95 to rotate, the fifteenth gear 95 rotates to drive the seventh gear 87 to rotate, the seventh gear 87 rotates to drive the eighth gear 88 to rotate, the eighth gear 88 rotates to drive the ninth gear 89 to rotate, the ninth gear 89 rotates to drive the tenth gear 90 engaged with the ninth gear to rotate, the tenth gear 90 rotates to drive the thirteenth gear 93 coaxial with the tenth gear to rotate, the thirteenth gear 93 rotates to drive the eleventh gear 91 engaged with the thirteenth gear to rotate, the eleventh gear 91 rotates to drive the twelfth gear 92 coaxial with the eleventh gear to rotate, and the twelfth gear 92 rotates to drive the twenty-fifth gear 102 engaged with the twelfth gear to rotate. The twenty-fifth gear 102 rotates to drive the seventh rotating shaft 71 to rotate, the seventh rotating shaft 71 rotates to drive the twenty-sixth gear 103 to rotate, the twenty-sixth gear 103 rotates to drive the twentieth gear 84 to rotate, the twentieth gear 84 rotates to drive 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 second twenty-gear 98 to rotate, the twenty-twelfth gear 98 rotates to drive the sixth rotating shaft 69 to rotate, the sixth rotating shaft 69 rotates to drive the twenty-third gear 100 to rotate, the twenty-third gear 100 rotates to drive the twenty-fourth gear to rotate, and the twenty-fourth gear 101 rotates to drive the second rotating shaft 63 to rotate.

The effect of initially opening the cabinet door 18180 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, in a 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 left c in fig. 19, the four first gears 14 move to drive the cabinet to move integrally.

As shown in the left d in fig. 19, after the cabinet body moves outwards to be limited by the limiting slide block 6 and the limiting slide groove 7, the movement is stopped, at this time, the swing side plate 20 is opened under the action of the corresponding elastic rope 80, as shown in the left e in fig. 19, when the swing side plate 20 is opened, the second trigger plate 48 on the cabinet door 18 contacts with the equipment 1 on both 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 limitation 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 72, the cabinet door 18 swings reversely relative to the swing side plate 20, the third clamping block 45 passes over the third clamping groove 58 through the arc surface on the third clamping groove 58, as shown in the left f in fig. 19, so that the cabinet door 18 is finally attached to the equipment 1, at the moment, the cabinet door 18 and the second swing side plate 20 are basically coplanar, meanwhile, the second clamping block and the second clamping groove 42 limit the position of the cabinet door 18, at the moment, the cabinet body is completely opened, and the cabinet door 18 and the swing side plate 20 are both attached to the equipment 1 on the two sides, so that the maintenance of 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 right a in fig. 19, the swinging side plate 20 is manually pulled, as shown in a right b in fig. 19, the cabinet door 18 is swung back to a 120-degree included angle with the swinging side plate 20, the first fixture block and the first clamping groove 31 are matched to limit the cabinet door 18, at the moment, the limiting rod 8 limits the inward movement of the cabinet 2, and the elastic rope 80 between the cabinet door 18 and the swinging side plate 20 reversely stores force; then the limiting of the limiting rod 8 on the limiting groove 10 on the inner side is released, namely the limiting on the cabinet 2 is released, the fourth rotating shaft 65, the first driving wheel 72, the fifth rotating shaft 66 and the elastic rope 80 on the second driving wheel 75 reversely store force, the cabinet body is reversely reset in sequence, in the resetting process, because the cabinet door 18 swings back 30 degrees relative to the initial closing state, the occupied space of 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 to drive the first limiting plate 25 to slide, the limiting on the first clamping block is released, at this time, the cabinet door 18 is manually pulled, the third clamping block 45 crosses the third clamping groove 58 through the arc surface on the third clamping groove 58, as shown in the right c of fig. 19, so that the cabinet door 18 is distributed at 90 degrees to the second swing side plate 20.

Claims

1. A cabinet convenient to maintain 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; one end of the U-shaped side plate is provided with a swinging side plate, one end of the swinging side plate is hinged to the U-shaped side plate through a fifth rotating shaft, and the other end of the swinging 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 sides of the U-shaped strips which are supposed to face; 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 swing side plate; the clamping mechanism plays a role in limiting and locking the cabinet door when the cabinet door is opened at 180 degrees, 90 degrees and minus 30 degrees;

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;

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 upper side of the swing side plate is fixedly provided with an installation shell, the upper ends of the fourth rotating shaft and the fifth rotating shaft are positioned in the installation shell, an eighteenth gear is rotatably arranged on the fourth rotating shaft, and the eighteenth gear is fixedly connected with the first driving wheel; the third rotating shaft is arranged in the mounting shell through a second support, the fourteenth gear is fixedly arranged at one end of the third rotating shaft, and the fourteenth gear is meshed with the eighteenth gear; the seventeenth gear is fixedly arranged at the other end of the third rotating shaft; the eighth rotating shaft is fixedly arranged in the mounting shell, the twenty-first gear is rotatably arranged on the eighth rotating shaft, and the twenty-first gear is meshed with the seventeenth gear; the nineteenth gear is rotatably arranged on the fifth rotating shaft and is fixedly connected with the second driving wheel; the sixth gear is rotatably arranged on the fifth rotating shaft and is fixedly connected with the second gear; the seventh rotating shaft is arranged in the top plate of the cabinet body through a sixth support, the twenty-fifth gear is fixedly arranged at one end of the first rotating shaft, and the twenty-fifth gear is in transmission connection with the sixth gear through a speed change mechanism; the twenty-sixth gear is fixedly arranged at the other end of the seventh rotating shaft, the twentieth gear is fixedly arranged on the first rotating shaft, and the twentieth gear is meshed with the twenty-sixth gear; a sixteenth gear is fixedly arranged on the first rotating shaft, the sixth rotating shaft is arranged in the top plate of the cabinet body through a fifth support, a twentieth gear is fixedly arranged at one end of the first rotating shaft, and a twelfth gear is meshed with the sixteenth gear; the twenty-third gear is fixedly arranged at the other end of the seventh rotating shaft, the twenty-fourth gear is fixedly arranged on the second rotating shaft, and the twenty-third gear is meshed with the twenty-fourth gear;

after the cabinet door is opened outwards for 180 degrees, the clamping mechanism limits the cabinet door; in the process that the swinging side plate is opened relative to the U-shaped side plate, the clamping mechanism automatically relieves the 180-degree limit of the cabinet door; when the cabinet door swings back to 90 degrees relative to the swinging side plate, the clamping mechanism limits the cabinet door again, and the limitation in the state needs manual unlocking; when the cabinet door reversely swings back by 30 degrees relative to the closed state, the clamping mechanism can limit the cabinet door, and the limit in the state needs to be manually unlocked;

three eighth mounting grooves are uniformly formed in the end face, close to one side of the cabinet door, of the 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 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;

2. A cabinet to facilitate maintenance 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 to facilitate maintenance according to claim 1, wherein: the speed change mechanism comprises a first support, 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 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 fifteenth gear is meshed with the sixth 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 twelfth gear is meshed with the twenty-fifth gear.

4. A cabinet to facilitate maintenance according to claim 1, wherein: two elastic pads are symmetrically arranged on the upper part and the lower part of the equipment close to one side of the cabinet door.

5. A cabinet to facilitate maintenance according to claim 1, wherein: the symmetrical opening of the limiting strips is provided with two limiting grooves, the limiting strips are fixedly installed on one side of the bottom plate of the cabinet body, the limiting rods are slidably installed on the ground, and first reset springs are installed between the limiting rods and the ground.

6. A cabinet to facilitate maintenance according to claim 5, wherein: the first return spring is a compression spring and has pre-pressure.

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

8. A cabinet to facilitate maintenance according to claim 1, wherein: the eighteenth gear is fixedly connected with the first driving wheel through a first connecting sleeve; the nineteenth gear is fixedly connected with the second transmission wheel through a first connecting sleeve.

9. A cabinet to facilitate maintenance according to claim 1, wherein: the eighteenth gear is fixedly connected with a third driving wheel through a third connecting sleeve.