Small ring main unit

Abstract

The utility model relates to the technical field of power transmission and transformation, in particular to a small ring main unit which comprises a cabinet body, two rotating shafts are arranged on one side of the front surface of the cabinet body, cabinet doors are arranged on the rotating shafts, a plurality of heat dissipation grooves are formed in the tops of a left side plate and a right side plate of the cabinet body, dustproof plates are arranged on the inner sides of the heat dissipation grooves, and vertical grooves are formed in the two sides of each dustproof plate. Four vertical rods are arranged between the vertical grooves and are threaded rods, a lifting plate is arranged on the vertical rods, a plurality of protruding blocks are arranged on the side face of the lifting plate, four through holes are formed in the lifting plate, an opening is formed in the middle of the lower surface of the lifting plate, a rotating groove is formed in the opening, an annular groove is formed in the rotating groove, and a plurality of balls are arranged in the annular groove. According to the structural design, the lifting plate is moved through vertical movement of the lifting piece, the twisting plate is twisted to enable the driving wheel to rotate to drive the driven wheel, adjustment of the internal space of the cabinet body can be achieved, and practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of power transmission and transformation, in particular to a small ring network cabinet. Background Art

[0002] Ring main unit is an electrical device that installs a group of transmission and distribution electrical equipment in a metal or non-metallic insulation cabinet. Ring main unit has the advantages of simple structure, small size, low price, and can provide electrical parameters and performance as well as power supply safety. Ring main unit is widely used in urban residential areas, high-rise buildings, large public buildings, factories and enterprises.

[0003] A Chinese patent discloses a ring network cabinet (authorization announcement number CN 209692236 U), which includes a cabinet, a fixing rod arranged on one side of the cabinet, a support plate hinged on the fixing rod away from the cabinet, and a support plate fixedly connected to the fixing rod away from the cabinet and arranged horizontally; the support plate is located at the bottom of the support plate, and when the support plate is in a horizontal position, the top of the support plate and the bottom of the support plate are in contact with each other; the fixing rod is located on the cabinet on one side of the cabinet door, the length direction of the fixing rod is arranged horizontally, and the axial direction of the support plate rotating on the fixing rod is parallel to the fixing rod. By setting a support plate hinged on one side of the cabinet, a tool box can be placed on the support plate during maintenance, and tools can be taken and replaced without bending over during maintenance, making maintenance operations more convenient;

[0004] However, when the device is in use, its internal space cannot be adjusted according to actual conditions, which easily causes unreasonable allocation or waste of the internal space of the cabinet. Therefore, those skilled in the art provide a small ring main unit to solve the problems raised in the above background technology. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a small ring network cabinet, including a cabinet body, two rotating shafts are provided on one side of the front surface of the cabinet body, a cabinet door is provided on the rotating shaft, a plurality of heat dissipation grooves are provided on the top of the left and right side panels of the cabinet body, a dustproof plate is provided on the inner side of the heat dissipation groove, vertical grooves are provided on both sides of each dustproof plate, four vertical rods are provided between the vertical grooves, the vertical rods are threaded rods, a lifting plate is provided on the vertical rods, a plurality of protrusions are provided on the side of the lifting plate, four through holes are provided on the lifting plate, an opening is provided in the middle of the lower surface of the lifting plate, a rotating groove is provided inside the opening, a ring groove is provided inside the rotating groove, and a plurality of ball bearings are provided in the ring groove.

[0006] Preferably: a lifting member is provided inside each through hole, the lifting member includes a limiting ring, the limiting ring is located outside the vertical rod, a ring column is provided below the limiting ring, the inner diameter of the ring column and the limiting ring are the same, and this structure can help the lifting plate to rise and fall.

[0007] Preferably, a driven wheel is provided below the ring column, the driven wheel is a gear, and screw holes are provided in the middle of the limiting ring, the ring column and the driven wheel. This structure can realize the rotation of the driving wheel to complete the lifting and lowering of the lifting plate.

[0008] Preferably: a driving wheel is provided between the four driven wheels, the driving wheel is located below the lifting plate, the driving wheel is a gear, a circular groove is provided in the middle of the lower surface of the driving wheel, and a screwing plate is provided inside the circular groove, and this structure facilitates the screwing of the driving wheel.

[0009] Preferably: a connecting shaft is provided on the upper surface of the driving wheel, the connecting shaft passes through the opening and enters into the rotating groove, a turntable is provided above the connecting shaft, a plurality of ball holes are provided below the turntable, and the balls are located inside the ball holes. This structure can make the turntable rotate more smoothly.

[0010] Technical effects and advantages of the utility model:

[0011] 1. In terms of structural design, the utility model realizes the movement of the lifting plate by utilizing the up and down movement of the lifting member, and the adjustment of the internal space of the cabinet can be realized by twisting the twisting plate to rotate the driving wheel and drive the driven wheel, thereby improving the practicality.

[0012] 2. At the same time, the setting of the vertical pole can not only make the lifting plate more stable, but also make the lifting of the lifting parts easier to achieve.

[0013] 3. In addition, the use of balls can make the turntable rotate more smoothly and reduce friction and heat. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of a small ring main unit provided in an embodiment of the present application;

[0015] Figure 2 It is a structural schematic diagram of a cabinet in a small ring main unit provided in an embodiment of the present application;

[0016] Figure 3 It is a structural schematic diagram of a lifting structure in a small ring main unit provided in an embodiment of the present application;

[0017] Figure 4 This is a schematic diagram of the structure of a lifting plate in a small ring network cabinet provided in an embodiment of the present application. Figure 1 ;

[0018] Figure 5 This is a schematic diagram of the structure of a lifting plate in a small ring network cabinet provided in an embodiment of the present application. Figure 2 ;

[0019] Figure 6 It is a structural schematic diagram of a lifting component in a small ring main unit provided in an embodiment of the present application;

[0020] Figure 7 This is a schematic diagram of the structure of a driving wheel in a small ring main unit provided in an embodiment of the present application. Figure 1 ;

[0021] Figure 8 This is a schematic diagram of the structure of a driving wheel in a small ring main unit provided in an embodiment of the present application. Figure 2 .

[0022] In the figure:

[0023] 1. Cabinet body; 11. Heat dissipation slot; 12. Vertical pole; 13. Rotating shaft; 15. Vertical slot; 2. Cabinet door; 3. Lifting plate; 31. Through hole; 32. Bump; 33. Opening; 34. Rotating slot; 35. Ring slot; 36. Ball bearing; 4. Dustproof plate; 5. Lifting piece; 51. Limiting ring; 52. Ring column; 53. Driven wheel; 54. Screw hole; 6. Driving wheel; 61. Circular slot; 62. Tightening plate; 63. Connecting shaft; 64. Turntable; 65. Ball hole. DETAILED DESCRIPTION

[0024] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.

[0025] Example

[0026] See also Figures 1 to 8 In this embodiment, a small ring network cabinet is provided, including a cabinet body 1, two rotating shafts 13 are provided on one side of the front surface of the cabinet body 1, a cabinet door 2 is provided on the rotating shaft 13, the cabinet door 2 is rotatably connected to the cabinet body 1, a plurality of heat dissipation grooves 11 are provided on the top of the left and right side panels of the cabinet body 1, a dustproof plate 4 is provided on the inner side of the heat dissipation groove 11, the dustproof plate 4 is fixedly connected to the cabinet body 1, vertical grooves 15 are provided on both sides of each dustproof plate 4, four vertical rods 12 are provided between the vertical grooves 15, each vertical rod 12 is fixedly connected to the cabinet body 1, and the vertical rod 12 is a threaded rod;

[0027] A lifting plate 3 is provided on the vertical pole 12, and a plurality of protrusions 32 are provided on the side of the lifting plate 3, each of which is fixedly connected to the lifting plate 3, and the protrusions 32 move up and down in the vertical groove 15, and four through holes 31 are provided on the lifting plate 3, and each through hole 31 is located on the outer side of the vertical pole 12, and an opening 33 is provided in the middle of the lower surface of the lifting plate 3, and a rotating groove 34 is provided inside the opening 33, and the diameter of the rotating groove 34 is larger than the diameter of the opening 33, and an annular groove 35 is provided inside the rotating groove 34, and a plurality of balls 36 are provided in the annular groove 35, and the balls 36 roll inside the annular groove 35;

[0028] A lifting member 5 is provided inside each through hole 31. The lifting member 5 includes a limiting ring 51. The limiting ring 51 is located outside the vertical rod 12. A ring column 52 is provided below the limiting ring 51. The inner diameter of the ring column 52 and the limiting ring 51 are the same. The ring column 52 is located inside the through hole 31. A driven wheel 53 is provided below the ring column 52. The driven wheel 53 and the ring column 52 are fixedly connected. The driven wheel 53 is a gear. A screw hole 54 is provided in the middle of the limiting ring 51, the ring column 52 and the driven wheel 53.

[0029] A driving wheel 6 is provided between the four driven wheels 53. The driving wheel 6 is located below the lifting plate 3. The driving wheel 6 is a gear. The driving wheel 6 and the driven wheel 53 are engaged. A circular groove 61 is provided in the middle of the lower surface of the driving wheel 6. A screw plate 62 is provided inside the circular groove 61. The screw plate 62 and the driving wheel 6 are fixedly connected. The screw plate 62 is a regular polyhedron. A connecting shaft 63 is provided on the upper surface of the driving wheel 6. The connecting shaft 63 passes through the opening 33 and enters into the rotating groove 34. A turntable 64 is provided above the connecting shaft 63. The turntable 64 is located inside the rotating groove 34. A plurality of ball holes 65 are provided below the turntable 64. The balls 36 are located inside the ball holes 65.

[0030] The working principle of the utility model is:

[0031] When the utility model is in use, if one wants to adjust the internal space of the cabinet 1, one can screw the screw plate 62 to rotate the screw plate 62, thereby rotating the driving wheel 6, and then the driven wheel 53 will rotate under the drive of the driving wheel 6. Since the vertical rod 12 and the lifting member 5 are threadedly connected, the lifting member 5 will move at this time, and then the lifting plate 3 will move with the lifting member 5, thereby realizing the adjustment of the internal space of the cabinet 1.

[0032] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A small ring main unit, comprising a cabinet body (1), characterized in that: Two rotating shafts (13) are provided on one side of the front surface of the cabinet body (1), and a cabinet door (2) is provided on the rotating shaft (13). A plurality of heat dissipation grooves (11) are provided on the top of the left and right side panels of the cabinet body (1), and a dustproof plate (4) is provided on the inner side of the heat dissipation groove (11). Vertical grooves (15) are provided on both sides of each dustproof plate (4), and four vertical rods (12) are provided between the vertical grooves (15). The vertical rods (12) are threaded rods, and a lifting plate (3) is provided on the vertical rods (12). A plurality of protrusions (32) are provided on the side of the lifting plate (3), and four through holes (31) are provided on the lifting plate (3). An opening (33) is provided in the middle of the lower surface of the lifting plate (3), and a rotating groove (34) is provided inside the opening (33). An annular groove (35) is provided inside the rotating groove (34), and a plurality of balls (36) are provided in the annular groove (35).

2. A small ring main unit according to claim 1, characterized in that: A lifting member (5) is provided inside each through hole (31), and the lifting member (5) comprises a limiting ring (51), the limiting ring (51) is located outside the vertical rod (12), and a ring column (52) is provided below the limiting ring (51), and the inner diameters of the ring column (52) and the limiting ring (51) are the same.

3. A small ring main unit according to claim 2, characterized in that: A driven wheel (53) is provided below the ring column (52), the driven wheel (53) is a gear, and a screw hole (54) is provided in the middle of the limiting ring (51), the ring column (52) and the driven wheel (53).

4. A small ring main unit according to claim 3, characterized in that: A driving wheel (6) is provided between the four driven wheels (53), the driving wheel (6) is located below the lifting plate (3), the driving wheel (6) is a gear, a circular groove (61) is provided in the middle of the lower surface of the driving wheel (6), and a twisting plate (62) is provided inside the circular groove (61).

5. A small ring main unit according to claim 4, characterized in that: A connecting shaft (63) is provided on the upper surface of the driving wheel (6), and the connecting shaft (63) passes through the opening (33) and enters the interior of the rotating groove (34). A rotating disk (64) is provided above the connecting shaft (63), and a plurality of ball holes (65) are provided below the rotating disk (64), and the balls (36) are located inside the ball holes (65).

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