CN218415476U

CN218415476U - Power distribution cabinet

Info

Publication number: CN218415476U
Application number: CN202221859982.6U
Authority: CN
Inventors: 万雪峰
Original assignee: Zhejiang Hubian Electric Power Technology Co ltd
Current assignee: Zhejiang Hubian Electric Power Technology Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2023-01-31
Anticipated expiration: 2032-07-19

Abstract

The utility model discloses a power distribution cabinet relates to power equipment technical field, include: a main cabinet body for protecting components of an internally mounted power distribution apparatus; the backing plate is positioned at the bottom end of the main cabinet body; the sealing waterproof door mechanism is positioned at one end of the main cabinet body; the mounting mechanism is positioned on the inner side of the main cabinet body, and the heat dissipation mechanism is positioned at the other end of the main cabinet body; the cabinet door fixing mechanism is positioned at one end of the inner side of the main cabinet body; the sealing waterproof door mechanism comprises a cabinet door, and the cabinet door is located at one end of the main cabinet body. The utility model has the advantages that: the position of being convenient for after closing the cabinet door, adjusting sealed deckle board is convenient for improve the leakproofness of switch board, is favorable to preventing that the rainwater from flowing into the cabinet body along the gap of cabinet door in, is favorable to preventing that the rainwater from entering into the cabinet body through the louvre in, is convenient for fix a position the fixed closing to the cabinet door that closes the door, is favorable to preventing that the cabinet door from taking place to rotate when not using and opening, is convenient for hide the drive block of fixed establishment.

Description

Power distribution cabinet

Technical Field

The utility model relates to a power equipment technical field specifically is a switch board.

Background

In the field of power distribution, it is often necessary to provide a distribution cabinet to install electrical device elements to accomplish the function of distributing power to various electrical loads. The power distribution cabinet mainly comprises a cabinet body, a door body and a power distribution device element arranged in the cabinet body.

The switch board mostly is the glossy box in rectangular surface, and the cabinet door is in one side of the cabinet body and cabinet body one side swivelling joint, and the cabinet door does not have the leakproofness, and the external side of cabinet can fixedly connected with multiunit louvre.

The utility model discloses a switch board door and switch board in the cabinet door expose in the outside of the cabinet body when the patent number is CN212908600U discloses, and during the rainy time, the rainwater enters into the cabinet body along the gap between the cabinet door easily, and during the rainy time the rainwater flows into in the cabinet body along the louvre of cabinet body outside fixed connection easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that when a power distribution cabinet door disclosed by the patent number CN212908600U and a cabinet door in a power distribution cabinet are in favor, the cabinet door is exposed outside the cabinet body, rainwater easily enters the cabinet body along gaps among the cabinet doors during raining, and the rainwater easily flows into the cabinet body along heat dissipation holes fixedly connected on the outer side of the cabinet body during raining, a power distribution cabinet is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a power distribution cabinet, comprising:

a main cabinet body for protecting components of an internally mounted power distribution apparatus;

the backing plate is positioned at the bottom end of the main cabinet body;

the sealing waterproof door mechanism is positioned at one end of the main cabinet body;

the mounting mechanism is positioned at the inner side of the main cabinet body,

the heat dissipation mechanism is positioned at the other end of the main cabinet body;

the cabinet door fixing mechanism is positioned at one end of the inner side of the main cabinet body;

the sealing waterproof door mechanism comprises a cabinet door, the cabinet door is located at one end of the main cabinet body and is rotationally connected with one end of the main cabinet body, a middle fixedly connected with observation window is arranged at one end of the cabinet door, a one end fixedly connected with limiting sliding cavity of the observation window is arranged, an inner side of the limiting sliding cavity is slidably connected with a sealing clamping frame plate, an inner side of the limiting sliding cavity is rotationally connected with an adjusting toothed bar, the outer side of the adjusting toothed bar is meshed with the inner side of the sealing clamping frame plate and is connected with an arc rain baffle plate, one end fixedly connected with a plurality of groups of rainwater drainage arc plates are arranged at the top end of the main cabinet body, a connecting plate is fixedly connected with the inner side of the sealing clamping frame plate, and the inner side of the connecting plate is meshed with the outer side of the adjusting toothed bar.

As the utility model discloses further scheme again: the cabinet door fixing mechanism comprises a nut rod, the nut rod is located in the middle of one end of the top end of the main cabinet body, a pushing rod is connected to the bottom end of the nut rod in a rotating mode, a pushing cavity is connected to the outer side of the pushing rod in a sliding mode, a pressing plate is fixedly connected to the bottom end of one end of the pushing rod, a clamping block is connected to the bottom end of the pressing plate in a pushing mode, a clamp rod is connected to the bottom end of the clamping block in a clamping mode, a telescopic cavity is connected to the outer side of the clamp rod in a sliding mode, the outer side of the telescopic cavity is fixedly connected with the inner sides of two sides of a sealing clamping frame plate, a lifting limiting plate is fixedly connected to the middle of the clamp rod, a lifting limiting cavity is connected to the outer side of the lifting limiting plate in a sliding mode, an auxiliary spring is connected to the bottom end of the lifting limiting plate in a sliding mode, a sliding rod is connected to the inner side of the pushing cavity, and the sliding rod is located at one end of the inner side of the pushing cavity.

As the utility model discloses further scheme again: the installation mechanism comprises a bottom plate, the bottom plate is located at the bottom end of the inner side of the main cabinet body and is in sliding connection with the bottom end of the inner side of the main cabinet body, the two sides of the top end of the bottom plate are fixedly connected with longitudinal plates, one side of each longitudinal plate is fixedly connected with a transverse plate, the other side of each longitudinal plate is slidably connected with a clamp groove, and the outer side of each clamp groove is fixedly connected with the cabinet wall of the two sides of the inner side of the main cabinet body.

As a further aspect of the present invention: the heat dissipation mechanism comprises heat dissipation holes, the heat dissipation holes are located at one end of the main cabinet body and fixedly connected with the main cabinet body, the heat dissipation holes are located at one end of the bottom end of the rainwater drainage arc plate, one end of the inner side of each heat dissipation hole is fixedly connected with a dust screen, and the middle of the inner side of each dust screen is fixedly connected with a water absorption cotton layer.

As a further aspect of the present invention: the size of the inner side of the limiting sliding cavity is matched with the size of the outer side of the sealing clamping frame plate, one end of each of two sides of the arc-shaped rain baffle is fixedly connected with a limiting column block, and the outer side of each limiting column block is clamped with a reset spring.

As a further aspect of the present invention: the size of bulldozing the fixture block outside and the inboard size phase-match in flexible chamber, the size in the clamp pole outside and the inboard size phase-match in flexible chamber.

As a further aspect of the present invention: the bottom fixedly connected with location fixed slot of the inboard one end of the main cabinet body, the inboard size of location fixed slot and the size phase-match in the clamp pole bottom outside, the size in the lift limiting plate outside and the inboard size phase-match in the spacing chamber of lift.

Compared with the prior art, the beneficial effects of the utility model are that: the position of being convenient for after closing the cabinet door, adjusting sealed deckle board is convenient for improve the leakproofness of switch board, is favorable to preventing that the rainwater from flowing into the cabinet body along the gap of cabinet door in, is favorable to preventing that the rainwater from entering into the cabinet body through the louvre in, is convenient for fix a position the fixed closing to the cabinet door that closes the door, is favorable to preventing that the cabinet door from taking place to rotate when not using and opening, is convenient for hide the drive block of fixed establishment.

1. Through the arranged sealing waterproof door mechanism, the cabinet door is rotated to clamp one end of the cabinet door to the main cabinet body to cover the mounting opening of the main cabinet body, then the arc-shaped rain baffle is rotated to expose a rotating button at the top end of the adjusting toothed bar, the rotating adjusting toothed bar drives the sealing clamping frame plate which is connected in a meshing manner to stably slide towards the inner side of the main cabinet body along the limiting sliding cavity, so that the sealing clamping frame plate is clamped into the cabinet opening of the main cabinet body, the cabinet opening of the main cabinet body is sealed, the arc-shaped rain baffle is loosened to drive the arc-shaped rain baffle to rotate and reset under the driving of the reset springs at two sides, the top end of the cabinet door is shielded, rainwater falls onto the arc-shaped rain baffle during raining, the rainwater is drained onto the inclined plane at one end of the top end of the main cabinet body by the radian on the arc-shaped rain baffle, the rainwater flows onto the rainwater drainage arc plate under the drainage of the inclined plane, the drainage arc-shaped rain plate falls onto the ground, meanwhile, the rainwater drainage arc plate blocks the rainwater which falls into the inclined rainwater drainage hole, and prevents the rainwater from entering into the cabinet body along the drainage gap of the drainage cabinet door, so that the sealing of the cabinet body is convenient for closing of the cabinet door, and the sealing cabinet door is beneficial to prevent the rainwater from entering into the rainwater drainage gap of the rainwater drainage cabinet body;

2. through the cabinet door fixed establishment who sets up, then rotatory nut pole promotes to bulldoze the pole and moves down along pushing away the clamp plate that pushes away pole bottom fixed connection and push away the clamp bar card and promote the clamp bar and slide along flexible chamber gliding in flexible chamber, make clamp bar middle part fixed connection's lift limiting plate press auxiliary spring along the spacing chamber gliding of going up and down in the gliding, the gliding card that drives the clamp bar and stabilize is in the location fixed slot of the inboard bottom one end of the main cabinet body in bottom, the cabinet door that will close is fixed, arc weather shield rotary reset shelters from the drive block and hides, it fixes a position fixedly and closes to the cabinet door that closes to having played to be convenient for, be favorable to preventing that the cabinet door from taking place to rotate when not using and opening, be convenient for hide the drive block to fixed establishment.

Drawings

Fig. 1 is a schematic structural view of a side sectional view of the present invention;

FIG. 2 is a schematic structural view of an enlarged view of part A of the present invention;

FIG. 3 is a schematic view showing an enlarged view of the section B of the present invention;

fig. 4 is a schematic structural diagram of a front view cross-sectional view of the present invention.

In the figure: 1. a main cabinet body; 2. a backing plate; 3. sealing the waterproof door mechanism; 31. a cabinet door; 32. a limiting sliding cavity; 33. sealing the frame plate; 34. adjusting the rack bar; 35. an arc-shaped rain shield; 36. an observation window; 37. a connecting plate; 38. a rainwater drainage arc plate; 4. an installation mechanism; 41. a base plate; 42. a longitudinal plate; 43. a transverse plate; 44. a clamp groove; 5. a heat dissipation mechanism; 51. heat dissipation holes; 52. a water absorbent cotton layer; 53. a dust screen; 6. a cabinet door fixing mechanism; 61. a nut stem; 62. a push rod; 63. a push chamber; 64. a slide bar; 65. pressing a plate; 66. pushing and pressing the fixture block; 67. a telescoping chamber; 68. a clamp rod; 69. a lifting limit cavity; 610. a lifting limit plate; 611. an auxiliary spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1 to 4, in an embodiment of the present invention, a power distribution cabinet includes:

a main cabinet 1 for protecting components of an internally installed power distribution apparatus;

the backing plate 2 is used for preventing the bottom end of the cabinet body from contacting the ground and is positioned at the bottom end of the main cabinet body 1;

the sealing waterproof door mechanism 3 is used for sealing the closed cabinet door, preventing rainwater from entering the cabinet body and is positioned at one end of the main cabinet body 1;

the mounting mechanism 4 is used for mounting and fixing the elements of the power distribution device and is positioned at the inner side of the main cabinet body 1,

the heat dissipation mechanism 5 is used for dissipating heat of parts inside the cabinet body and is positioned at the other end of the main cabinet body 1;

the cabinet door fixing mechanism 6 is used for positioning and fixing the closed cabinet door and is positioned at one end of the inner side of the main cabinet body 1;

the sealing waterproof door mechanism 3 comprises a cabinet door 31, the cabinet door 31 is located at one end of the main cabinet body 1 and is rotatably connected with one end of the main cabinet body 1, a middle fixedly connected with observation window 36 at one end of the cabinet door 31 is used for observing the inside of the cabinet body, one end of the observation window 36 is fixedly connected with a limiting sliding cavity 32 and is used for limiting the sliding track of the sealing clamping frame plate 33, the inner side of the limiting sliding cavity 32 is slidably connected with a sealing clamping frame plate 33, one end of the inner side of the limiting sliding cavity 32 is rotatably connected with an adjusting toothed bar 34, the outer side of the adjusting toothed bar 34 is meshed with the inner side of the sealing clamping frame plate 33 and is used for adjusting the position of the sealing clamping frame plate 33, one end of the top end of the main cabinet body 1 is rotatably connected with an arc-shaped rain baffle plate 35 and is used for shielding rain at the top of the cabinet door and is beneficial to preventing rain from entering the cabinet body along the gap, one end of the main cabinet body 1 is fixedly connected with a plurality of rain drainage arc-shaped plates 38 and is used for drainage and drainage of rain, the rain drainage and drainage are used for drainage of rain, a connecting plate 37 is fixedly connected with the middle of the inner side of the middle fixedly connected with the middle connecting plate 33 and is used for adjusting toothed bar 37 and is used for adjusting the sealing clamping frame plate and is used for adjusting the position of the sealing clamping frame plate 33.

Please refer to fig. 1 and 4, the inner side of the limiting sliding cavity 32 is matched with the outer side of the sealing frame plate 33, one end of the two sides of the arc rain baffle 35 is fixedly connected with a limiting column block, and the outer side of the limiting column block is clamped with a return spring.

Please refer to fig. 1, 2 and 3, the cabinet door fixing mechanism 6 includes a nut rod 61, the nut rod 61 is located in the middle of one end of the top end of the main cabinet 1, a push rod 62 is rotatably connected to the bottom end of the nut rod 61 for adjusting the position of the push rod 62, a push cavity 63 is slidably connected to the outer side of the push rod 62 for limiting the sliding track of the push rod 62, a pressing plate 65 is fixedly connected to the bottom end of one end of the push rod 62, a push fixture block 66 is fixedly connected to the bottom end of the pressing plate 65, a hoop rod 68 is clamped to the bottom end of the push fixture block 66 for adjusting the position of the hoop rod 68, a telescopic cavity 67 is slidably connected to the outer side of the hoop rod 68, the outer side of the telescopic cavity 67 is fixedly connected to the inner sides of the sealing frame plate 33, a lift limiting plate 610 is fixedly connected to the middle of the hoop rod 68, a lift limiting cavity 69 is slidably connected to the outer side of the lift limiting plate 610 for limiting the lifting track of the hoop rod 68, an auxiliary spring 611 is slidably connected to the bottom end of the lift limiting the hoop rod 68 for resetting the hoop rod 68, the inner side of the push rod 62 is slidably connected to the slide rod 64, and the slide rod 64 is located at one end of the slide rod 63 for limiting the inner side of the push rod 62 for improving the stability of the push rod 62.

Referring to fig. 2, the outer side of the push latch 66 matches the inner side of the expansion cavity 67, and the outer side of the band rod 68 matches the inner side of the expansion cavity 67.

Please refer to fig. 2 and fig. 3, a positioning fixing slot is fixedly connected to a bottom end of one end of the inner side of the main cabinet 1, the inner side of the positioning fixing slot matches with the outer side of the bottom end of the clamp rod 68, and the outer side of the lifting limiting plate 610 matches with the inner side of the lifting limiting cavity 69, so as to position and fix the adjusted sealing frame plate 33.

Referring to fig. 1, the mounting mechanism 4 includes a bottom plate 41, the bottom plate 41 is located at the bottom of the inner side of the main cabinet 1 and is slidably connected to the bottom of the inner side of the main cabinet 1, two sides of the top end of the bottom plate 41 are fixedly connected to a longitudinal plate 42, one side of the longitudinal plate 42 is fixedly connected to a transverse plate 43, the other side of the longitudinal plate 42 is slidably connected to a clamp groove 44, and the outer side of the clamp groove 44 is fixedly connected to the cabinet walls at two sides of the inner side of the main cabinet 1 for mounting and fixing the power distribution device components.

Please refer to fig. 1, the heat dissipation mechanism 5 includes a heat dissipation hole 51, the heat dissipation hole 51 is located at one end of the main cabinet 1 and is fixedly connected to the main cabinet 1 for heat dissipation, the heat dissipation hole 51 is located at one end of the bottom end of the rain drainage arc plate 38, one end of the inner side of the heat dissipation hole 51 is fixedly connected to a dust screen 53 for dust prevention of the heat dissipation hole, and a water absorption cotton layer 52 is fixedly connected to the middle of the inner side of the dust screen 53 for water absorption and filtration of the cooled air.

The utility model discloses a theory of operation is: when in use, the power distribution equipment elements are arranged on an installation frame consisting of the bottom plate 41, the longitudinal plate 42 and the transverse plate 43, after the installation, the installation frame slides to the inner side of the main cabinet body 1, the bottom plate 41 slides along the bottom end of the inner side of the main cabinet body 1 in the sliding process, the hoop block fixedly connected with one side of the longitudinal plate 42 slides to the inner side of the main cabinet body 1 along the hoop groove, after the installation, the cabinet door 31 is rotated to clamp one end of the cabinet door to the main cabinet body 1 to cover the installation opening of the main cabinet body 1, then the arc rain baffle 35 is rotated to expose the rotary button at the top end of the adjusting toothed bar 34, the rotary adjusting toothed bar 34 drives the meshed and connected sealing clamping frame plate 33 to stably slide to the inner side of the main cabinet body 1 along the limiting sliding cavity 32, so that the sealing clamping frame plate 33 is clamped in the cabinet opening of the main cabinet body 1 to seal the cabinet opening of the main cabinet body 1, then the nut rod 61 is rotated to push the pushing rod 62 to move downwards along the pushing cavity and the sliding rod to drive the pressing plate 65 fixedly connected with the bottom end of the pushing rod 62 to press downwards to push the pushing fixture block 66 to be clamped in the telescopic cavity 67 to push the hoop rod 68 to slide downwards along the telescopic cavity 67, the lifting limiting plate 610 fixedly connected with the middle part of the hoop rod 68 slides downwards along the lifting limiting cavity 69 to press the auxiliary spring 611 while sliding downwards, the hoop rod 68 is driven to slide stably and be clamped in the positioning fixing clamping groove at one end of the inner bottom end of the bottom end main cabinet body 1, the closed cabinet door 31 is fixed, the arc rain baffle 35 is loosened to drive the arc rain baffle 35 to rotate and reset under the driving of the reset springs at two sides, the top end of the cabinet door 31 is shielded, rainwater falls onto the arc rain baffle 35 during raining, the rainwater is drained onto the inclined plane at one end of the main cabinet body 1 by the radian on the arc rain baffle 35, and the rainwater is drained onto the rainwater drainage arc drainage plate 38 at the inclined plane, the drainage at rainwater drainage arc board 38 falls subaerially, hinders by rainwater drainage arc board 38 the rainwater of whereabouts to one side simultaneously, prevents that the rainwater from entering into louvre 51 in, and outside air conditioning passes dust screen 53 and absorbs water cotton layer 52 and enters into the cabinet body through louvre 51 during the heat dissipation, dispels the heat.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A power distribution cabinet, comprising:

a main cabinet (1) for protecting internally mounted electrical distribution equipment components;

the backing plate (2) is positioned at the bottom end of the main cabinet body (1);

the sealing waterproof door mechanism (3) is positioned at one end of the main cabinet body (1);

the mounting mechanism (4) is positioned at the inner side of the main cabinet body (1),

the heat dissipation mechanism (5) is positioned at the other end of the main cabinet body (1);

the cabinet door fixing mechanism (6) is positioned at one end of the inner side of the main cabinet body (1);

its characterized in that, sealed water-proof door mechanism (3) include cabinet door (31), cabinet door (31) are located the one end of the main cabinet body (1), and with the one end swivelling joint of the main cabinet body (1), middle part fixedly connected with observation window (36) of cabinet door (31) one end, the spacing sliding chamber of one end fixedly connected with (32) of observation window (36), the inboard sliding connection of spacing sliding chamber (32) has sealed draw frame board (33), the inboard one end swivelling joint of spacing sliding chamber (32) has regulation rack bar (34), the outside of adjusting rack bar (34) is connected with the inboard meshing of sealed draw frame board (33), the one end swivelling joint on the main cabinet body (1) top has arc weather shield (35), the one end fixedly connected with multiunit rainwater drainage arc board (38) of the main cabinet body (1), the inboard middle part fixedly connected with connecting plate (37) of sealed draw frame board (33), the inboard meshing of connecting plate (37) is connected with the outside of adjusting rack bar (34).

2. The power distribution cabinet according to claim 1, wherein the cabinet door fixing mechanism (6) comprises a nut rod (61), the nut rod (61) is located in the middle of one end of the top end of the main cabinet body (1), a pushing rod (62) is rotatably connected to the bottom end of the nut rod (61), a pushing cavity (63) is slidably connected to the outer side of the pushing rod (62), a pressing plate (65) is fixedly connected to the bottom end of one end of the pushing rod (62), a pushing fixture block (66) is fixedly connected to the bottom end of the pressing plate (65), a hoop rod (68) is clamped to the bottom end of the pushing fixture block (66), a telescopic cavity (67) is slidably connected to the outer side of the hoop rod (68), the outer side of the telescopic cavity (67) is fixedly connected to the inner sides of the sealing fixture plate (33), a lifting limiting plate (610) is fixedly connected to the middle of the hoop rod (68), a lifting limiting cavity (69) is slidably connected to the outer side of the lifting limiting plate (610), an auxiliary spring (64) is slidably connected to the inner side of the pushing rod (62), and the pushing slide rod (64) is located at one end of the pushing slide rod (611).

3. The power distribution cabinet according to claim 1, wherein the mounting mechanism (4) comprises a bottom plate (41), the bottom plate (41) is located at the bottom end of the inner side of the main cabinet body (1) and is slidably connected with the bottom end of the inner side of the main cabinet body (1), longitudinal plates (42) are fixedly connected to two sides of the top end of the bottom plate (41), a transverse plate (43) is fixedly connected to one side of each longitudinal plate (42), a clamp groove (44) is slidably connected to the other side of each longitudinal plate (42), and the outer side of each clamp groove (44) is fixedly connected with the cabinet wall of each inner side of the main cabinet body (1).

4. The power distribution cabinet according to claim 1, wherein the heat dissipation mechanism (5) comprises heat dissipation holes (51), the heat dissipation holes (51) are located at one end of the main cabinet body (1) and fixedly connected with the main cabinet body (1), the heat dissipation holes (51) are located at one end of the bottom end of the rainwater drainage arc plate (38), a dust screen (53) is fixedly connected to one end of the inner side of the heat dissipation holes (51), and a water absorption cotton layer (52) is fixedly connected to the middle of the inner side of the dust screen (53).

5. The power distribution cabinet according to claim 1, wherein the size of the inner side of the limiting sliding cavity (32) is matched with the size of the outer side of the sealing clamping frame plate (33), one end of each of two sides of the arc-shaped rain baffle plate (35) is fixedly connected with a limiting column block, and a return spring is clamped and connected to the outer side of each limiting column block.

6. A switch cabinet according to claim 2, characterized in that the size of the outer side of the pushing fixture block (66) matches with the size of the inner side of the telescopic cavity (67), and the size of the outer side of the clamping band rod (68) matches with the size of the inner side of the telescopic cavity (67).

7. A distribution cabinet according to claim 2, characterized in that the bottom end of one end of the inner side of the main cabinet body (1) is fixedly connected with a positioning fixing slot, the size of the inner side of the positioning fixing slot is matched with the size of the outer side of the bottom end of the clamp rod (68), and the size of the outer side of the lifting limiting plate (610) is matched with the size of the inner side of the lifting limiting cavity (69).