CN116456695A - 5G cabinet can extend - Google Patents

Abstract

The invention relates to the technical field of cabinets, in particular to a 5G (fourth generation) cabinet which comprises a cabinet body, wherein two ends of the cabinet body are slidably inserted with rectangular frame plates, side plates are fixed on the outer sides of the rectangular frame plates, an adjusting piece for adjusting the positions of the rectangular frame plates is arranged between the side plates and the rectangular frame plates, a door plate is hinged to one side of each rectangular frame plate, two symmetrically arranged guide blocks are fixed on the inner side of the cabinet body, a movable seat is slidably clamped on one side of each guide block, and one end of each movable seat is rotatably connected with a telescopic piece. According to the invention, the steel wire rope is pulled by the rectangular frame plate to enable the movable seat to slide along the inclined plane of the guide block, the movable seat moves towards the direction close to the first filter screen through the telescopic piece with the positioning ring, and then the fan blade moves towards the direction close to the first filter screen, so that the distance between the fan blade and the middle part of the cabinet body is increased, the coverage area of the fan blade for blowing is correspondingly increased, the fan blade can conveniently blow and dissipate heat for large-area components in the cabinet body, and the efficiency of the fan blade for dissipating heat is improved.

Description

5G cabinet can extend

Technical Field

The invention relates to the technical field of cabinets, in particular to a 5G expandable cabinet.

Background

The 5G cabinet is made of metal or nonmetal materials, an unauthorized operator is not allowed to enter the cabinet body for operation, an outdoor physical working environment and equipment of a safety system are provided for a wireless communication station or a wired network station workstation, the space inside the cabinet can be adjusted to be large for the cabinet to adapt to installation of component equipment with different sizes, but the cabinet has the common problem that after the internal space of the cabinet is expanded, the position of a fan used for radiating heat inside the cabinet is still unchanged, wind of a fan blade can be blown to part of component equipment in a small range only, the whole radiating function of the cabinet is affected, the state of the radiating fan only changes in rotating speed, the rotating speed is controlled only according to the temperature in the cabinet, and because of more components in the cabinet and different heating degrees, the radiating device cannot pertinently radiate air of component accessories with higher local temperature in the cabinet, and further influence the radiating effect.

Disclosure of Invention

In order to overcome the technical problems, the invention aims to provide an expandable 5G cabinet, two screws on side plates at corresponding positions are respectively rotated by two persons, the side plates are led to move outwards gradually from the interior of the cabinet body along with a rectangular frame plate, at the moment, the space inside the cabinet body is enlarged, the expansion of the interior space of the cabinet body is realized, the installation of the cabinet body space is reasonably enlarged according to the sizes of components, the convenience of component installation is improved, in the process that the rectangular frame plate moves towards the direction deviating from the cabinet body, the rectangular frame plate pulls a steel wire rope to enable a movable seat to slide along the inclined plane of a guide block, the movable seat moves towards the direction approaching to a filter screen through a telescopic piece, the fan blade moves towards the direction approaching to the filter screen through a positioning ring, the fan blade is moved towards one side approaching to the cabinet body when the interior space of the cabinet body is adjusted by the rectangular frame plate, the fan blade is further moved towards the middle part of the cabinet body, at the moment, the fan blade is enlarged in the distance from the middle part of the cabinet body, at the moment, the fan blade is blown coverage area is correspondingly enlarged, the components with large area inside the cabinet body are conveniently blown, the fan blade is improved, the efficiency is improved, in the process that the rectangular frame plate moves towards the two ends of the positioning ring, the fixing pieces are respectively, the two ends of the positioning ring are moved towards the opposite to the inner side of the cabinet body, the inner side of the cabinet body is provided with a sleeve, the upper side of the fan blade is provided with a temperature sensor, and the upper side plate and the upper side of the heat-sensing sleeve is respectively, and the upper side of the heat-radiating sleeve is provided with a lower part and the heat-radiating sleeve is correspondingly, and the upper part and the temperature-sensing sleeve is respectively, and the upper part and lower part and the temperature-sensing part and the upper part and lower part and the temperature heater is respectively and the lower part and lower temperature heater. The motor rotates with the driving gear to enable the driven gear to rotate with the telescopic parts, the two telescopic parts rotate obliquely to the upper direction of the cabinet body with the positioning ring, then the blowing direction of the fan blades faces obliquely above the inside of the cabinet body, the effect of intensively blowing and radiating components and parts in the upper part of the inside of the cabinet body is achieved, the fan blades can also intensively blow and radiate to the middle position or the lower position inside the cabinet body by means of the driving of the motor, the effect of radiating air of the component accessories with higher local temperature in the cabinet is achieved in a targeted mode, and the radiating effect in the inside of the cabinet body is further improved.

The aim of the invention can be achieved by the following technical scheme:

the utility model provides a scalable 5G rack, includes the cabinet body, the equal slip grafting in both ends of the cabinet body has the rectangle framed board, the outside of rectangle framed board is fixed with the curb plate, be provided with the regulating part that is used for adjusting rectangle framed board position between curb plate and the rectangle framed board, one side of rectangle framed board articulates there is the door plant, the inboard of the cabinet body is fixed with two symmetrical arrangement's guide blocks, one side slip joint of guide block has the movable seat, the one end rotation of movable seat is connected with the extensible member, the outside of movable seat is fixed with and drives extensible member pivoted motor one, the outside of movable seat is fixed with wedge one with guide block sliding connection, the one end that the guide block deviates from wedge one is fixed with wedge two, be fixed with connecting spring between wedge two and the wedge one, wire rope deviates from wedge one end and runs through wedge two and with corresponding position rectangle framed board fixed connection, two be fixed with the holding ring between the extensible member, one side of holding ring is fixed with the bracing piece top, the flabellum is provided with the bracing piece.

The method is further characterized in that: the top surface and the bottom surface of guide block all are fixed with limiting plate one, the both ends of guide block all are fixed with limiting plate two, guide block and the gliding one side of removal seat are the inclined plane, wire rope runs through the middle part of connecting spring, the rope groove of going forward that the wire rope of being convenient for arranged has been seted up to the inside of the cabinet body, and limiting plate one makes the removal seat can be on the stable removal position of guide block with limiting plate two, and wire rope moves synchronous traction along with the rectangular frame board and removes the seat, is convenient for remove the seat and takes the extensible member position.

The method is further characterized in that: the telescopic part comprises a sleeve which is rotationally connected with the movable seat, a sliding rod is connected in a sliding mode in the sleeve, an arc-shaped block fixedly connected with the positioning ring is fixed at one end of the sliding rod, and the sliding rod and the sleeve are matched to play a role in supporting fan blades on the positioning ring.

The method is further characterized in that: the telescopic fan comprises a sleeve, a clamping block is fixed in the sleeve, a clamping groove is formed in the outer side of the sliding rod, the clamping block is connected with the clamping groove in a sliding mode, the telescopic sleeve and the sliding rod are combined, the clamping block is fixed on the sleeve, the clamping groove is formed in the sliding rod, the sliding rod can further slide inside the sleeve to meet the length requirement of the telescopic part when the fan blade is horizontally moved, and the sliding rod can synchronously rotate along with the sleeve to rotate with the fan blade, and the blowing direction of the fan blade is adjusted.

The method is further characterized in that: the sleeve is sleeved and fixed with a driven gear at the outer side, a driving gear is fixed at the output end of the motor I, and the driving gear is meshed with the driven gear for transmission, so that the motor can rotate with the telescopic piece to enable the positioning ring to rotate and reverse with the fan blade.

The method is further characterized in that: the top of bracing piece is fixed with the lantern ring, the inboard of lantern ring is fixed with motor two, motor two's output and flabellum fixed connection, motor two are convenient for carry the flabellum rotation to blow the heat dissipation.

The method is further characterized in that: the top installation of curb plate is fixed with filter screen two, the cabinet body deviates from one side installation of door plant and is fixed with filter screen one, the rectangle slot of sliding grafting with the rectangle framed board has all been seted up at the both ends of the cabinet body, and filter screen one, filter screen two are convenient for cabinet body inside to carry out the air current exchange.

The method is further characterized in that: the regulating part comprises a moving block and a fixed block, wherein the moving block is fixedly connected with a side plate at the corresponding position, the fixed block is fixedly connected with a cabinet body, a screw rod connected with the fixed block in a screwing way is rotationally connected in the moving block, the screw rod is rotationally rotated on the fixed block to enable the screw rod to gradually move towards the direction deviating from the fixed block, and then the screw rod is enabled to move outwards through the moving block with the side plate and the rectangular frame.

The method is further characterized in that: the inside equidistant embedding of door plant is fixed with a plurality of temperature sensor, the inboard bottom of door plant is fixed with the controller, controller and temperature sensor electric connection are through installing a plurality of temperature sensor in the inboard of door plant, and every temperature sensor corresponds the inside upper, middle, lower three part of cabinet body respectively, realizes detecting the temperature in the inside different position spaces of cabinet body, and the controller is convenient for control motor one and rotates the direction that makes the flabellum bloied and change.

The invention has the beneficial effects that:

1. the two screws on the side plates at the corresponding positions are respectively rotated by two persons, so that the side plates move outwards gradually along with the rectangular frame plates from the inside of the cabinet body, the space inside the cabinet body is enlarged, expansion of the space inside the cabinet body is realized, the space inside the cabinet body is expanded, the installation of the cabinet body is reasonably enlarged according to the sizes of components, the convenience of component installation is improved, in the process that the rectangular frame plates move away from the cabinet body, the rectangular frame plates drag the steel wire rope to enable the movable seat to slide along the inclined plane of the guide block, the movable seat moves towards the direction close to the first filter screen along with the locating ring through the telescopic piece, the fan blades move towards the direction close to the first filter screen, the fan blades move towards one side close to the cabinet body when the rectangular frame plates are moved to adjust the space inside the cabinet body, the distance between the fan blades and the middle part of the cabinet body is enlarged, the area of the fan blades is correspondingly enlarged, the fan blades are conveniently blown by the components with large area inside the cabinet body to dissipate heat, and the fan blades are conveniently blown by the components with large area, and the fan blades are beneficial to improve the efficiency of heat dissipation of the fan blades;

2. through installing a plurality of temperature sensors on the inner side of the door plate, each temperature sensor corresponds to an upper part, a middle part and a lower part in the cabinet body respectively, when the temperature sensor near the upper part of the cabinet body detects that the temperature of the upper part of the cabinet body is higher, the motor drives the driving gear to rotate so that the driven gear drives the telescopic parts to rotate, and the two telescopic parts drive the positioning rings to obliquely rotate towards the upper part of the cabinet body, so that the blowing direction of the fan blade faces to the obliquely upper part in the cabinet body, the effect of intensively blowing and radiating the component area above the interior of the cabinet body is realized, and meanwhile, the fan blade can also drive the fan blade to the middle position or the lower part in the interior of the cabinet body by means of the motor to intensively blow and radiate the air of the component accessory with higher local temperature in the cabinet body, thereby realizing the targeted radiating of the air of the component accessory with higher local temperature in the cabinet body, and further improving the radiating effect in the cabinet body;

3. through all installing fixed extensible member at the both ends of holding ring, the extensible member comprises sleeve pipe and slide bar, owing to be fixed with the fixture block on the sleeve pipe, has seted up the draw-in groove on the slide bar, and then makes the slide bar can satisfy the length demand of extensible member when the horizontal migration flabellum at the inside slip of sleeve pipe to, the slide bar can be along with sleeve pipe synchronous rotation, realizes taking the flabellum to rotate, adjusts the direction of blowing of flabellum.

Drawings

The invention is further described below with reference to the accompanying drawings.

FIGS. 1-2 are schematic views of the overall structure of the present invention from different viewing angles;

FIG. 3 is a schematic view showing the structure of the door panel in an opened state according to the present invention;

FIG. 4 is a schematic view of the structure of the rectangular frame plate in the moving-out state in the invention;

FIGS. 5-6 are schematic views of the structure of the cabinet according to the present invention at different angles;

FIG. 7 is a schematic view of a partially enlarged construction of the invention at A in FIG. 6;

FIG. 8 is a schematic view of the structure of the guide block, the telescopic member and the steel wire rope in the invention;

FIG. 9 is a schematic view showing a split three-dimensional structure of a sleeve and a slide bar in the invention.

In the figure: 100. a cabinet body; 110. rectangular slots; 120. a first filter screen; 200. a rectangular frame plate; 210. a side plate; 211. a second filter screen; 300. an adjusting member; 310. a moving block; 320. a fixed block; 330. a screw; 400. a door panel; 410. a temperature sensor; 420. a controller; 500. a guide block; 510. a movable seat; 511. a first motor; 5111. a drive gear; 512. wedge block one; 520. wedge block two; 521. a connecting spring; 530. a first limiting plate; 540. a limiting plate II; 600. a telescoping member; 610. a sleeve; 611. a clamping block; 612. a driven gear; 620. a slide bar; 621. a clamping groove; 700. a wire rope; 800. a positioning ring; 810. a support rod; 811. a fan blade; 812. and a second motor.

Description of the embodiments

The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-9, an expandable 5G cabinet includes a cabinet body 100, two ends of the cabinet body 100 are slidably inserted with a rectangular frame 200, a side plate 210 is fixed on the outer side of the rectangular frame 200, an adjusting member 300 for adjusting the position of the rectangular frame 200 is arranged between the side plate 210 and the rectangular frame 200, a door panel 400 is hinged on one side of the rectangular frame 200, two symmetrically arranged guide blocks 500 are fixed on the inner side of the cabinet body 100, a movable seat 510 is slidably clamped on one side of the guide blocks 500, one end of the movable seat 510 is rotatably connected with a telescopic member 600, a first motor 511 which is used for driving the telescopic member 600 to rotate is fixed on the outer side of the movable seat 510, a first wedge block 512 which is slidably connected with the guide block 500 is fixed on the outer side of the movable seat 510, a second wedge block 520 is fixed on one end of the guide block 500 which is away from the first wedge block 512, a connecting spring 521 is fixed between the second wedge block 520 and the first wedge block 512, a steel wire rope 700 is fixed on the outer side of the wedge block 512, one end of the steel wire rope 700 penetrates through the second wedge block 520 and is fixedly connected with the rectangular frame 200 at a corresponding position, a positioning ring 800 is fixed on one side of the two support rods 810 which are fixedly connected with the top ends of the support rods 810.

The top surface and the bottom surface of the guide block 500 are both fixed with a first limiting plate 530, two ends of the guide block 500 are both fixed with a second limiting plate 540, one sliding side of the guide block 500 and the movable seat 510 is an inclined plane, the steel wire rope 700 penetrates through the middle part of the connecting spring 521, a rope feeding groove convenient for arranging the steel wire rope 700 is formed in the cabinet body 100, the first limiting plate 530 and the second limiting plate 540 enable the movable seat 510 to stably move on the guide block 500, the steel wire rope 700 synchronously pulls the movable seat 510 along with the movement of the rectangular frame plate 200, and the movable seat 510 is convenient to carry the position of the telescopic piece 600; the telescopic member 600 comprises a sleeve 610 rotatably connected with the movable seat 510, a sliding rod 620 is slidably clamped in the sleeve 610, an arc-shaped block fixedly connected with the positioning ring 800 is fixed at one end of the sliding rod 620, and the sliding rod 620 and the sleeve 610 cooperate to support the fan blades 811 on the positioning ring 800.

The clamping block 611 is fixed in the sleeve 610, the clamping groove 621 is formed in the outer side of the sliding rod 620, the clamping block 611 is in sliding clamping connection with the clamping groove 621, the telescopic piece 600 comprises the sleeve 610 and the sliding rod 620, and the clamping block 611 is fixed on the sleeve 610, the clamping groove 621 is formed in the sliding rod 620, so that the sliding rod 620 can slide in the sleeve 610 to meet the length requirement of the telescopic piece 600 when the fan blades 811 horizontally move, and the sliding rod 620 can synchronously rotate along with the sleeve 610 to rotate along with the fan blades 811, and the blowing direction of the fan blades 811 is adjusted; a driven gear 612 is sleeved and fixed on the outer side of the sleeve 610, a driving gear 5111 is fixed at the output end of the first motor 511, and the driving gear 5111 is meshed with the driven gear 612 for transmission, so that the first motor 511 can rotate with the telescopic piece 600 to enable the positioning ring 800 to rotate with the fan blades 811 for reversing; the top of bracing piece 810 is fixed with the lantern ring, and the inboard of lantern ring is fixed with motor two 812, and motor two 812's output and flabellum 811 fixed connection, motor two 812 are convenient for take the flabellum 811 to rotate and are bloied the heat dissipation.

The top of the side plate 210 is fixedly provided with a second filter screen 211, one side of the cabinet body 100 away from the door plate 400 is fixedly provided with a first filter screen 120, both ends of the cabinet body 100 are provided with rectangular slots 110 which are in sliding connection with the rectangular frame plate 200, and the first filter screen 120 and the second filter screen 211 are convenient for air flow exchange inside the cabinet body 100; the adjusting piece 300 comprises a moving block 310 and a fixed block 320, wherein the moving block 310 is fixedly connected with the side plate 210 at the corresponding position, the fixed block 320 is fixedly connected with the cabinet body 100, a screw rod 330 which is in screwing connection with the fixed block 320 is rotatably connected in the moving block 310, the screw rod 330 is screwed on the fixed block 320 to enable the screw rod 330 to gradually move towards the direction deviating from the fixed block 320, and the screw rod 330 is further enabled to move outwards through the moving block 310 with the side plate 210 and the rectangular frame plate 200; the inside equidistant embedding of door plant 400 is fixed with a plurality of temperature sensor 410, and the bottom of door plant 400 inboard is fixed with controller 420, and controller 420 and temperature sensor 410 electric connection are through installing a plurality of temperature sensor 410 in the inboard of door plant 400, and every temperature sensor 410 corresponds the inside upper, middle, the lower three part of cabinet body 100 respectively, realizes detecting the temperature in the inside different position spaces of cabinet body 100, and controller 420 is convenient for control motor one 511 and rotates the direction that makes the flabellum 811 bloies and change.

Working principle: when in use, because of the space requirement of the installation element, when the internal space of the cabinet body 100 needs to be enlarged, two workers stand on the outer sides of the side plates 210 at corresponding positions respectively, the screw 330 on the side plate 210 is rotated by hand to enable the moving block 310 to move out of the rectangular slot 110 of the cabinet body 100 along with the rectangular frame plate 200, the internal space of the cabinet body 100 is adjusted to be enlarged, in the process that the rectangular frame plate 200 moves towards the direction away from the cabinet body 100, the rectangular frame plate 200 pulls the steel wire rope 700 to enable the moving seat 510 to slide along the inclined plane of the guide block 500, the moving seat 510 moves towards the direction approaching the first filter screen 120 along with the positioning ring 800 through the telescopic piece 600, the sliding rod 620 slides out in the sleeve pipe 610 at the moment, the connecting spring 521 is in a compressed state, the fan 811 moves towards the direction approaching the first filter screen 120, the fan 811 moves towards the side approaching the cabinet body 100 when the internal space of the rectangular frame plate 200 is adjusted to the cabinet body 100, the distance between the fan blades 811 and the middle part of the cabinet 100 is increased, the air blowing coverage area of the fan blades 811 is correspondingly increased, and the fan blades 811 can conveniently blow and dissipate heat for large-area components in the cabinet 100, wherein the compression elasticity of the connecting spring 521 can conveniently return the movable seat 510 to the initial position along the guide block 500 in the process of accommodating and moving the rectangular frame plate 200 to the inside of the cabinet 100 in the later period, the inner side of the door plate 400 is provided with a plurality of temperature sensors 410, each temperature sensor 410 corresponds to the upper part, the middle part and the lower part in the cabinet 100 respectively, when the temperature sensor 410 near the upper part of the cabinet 100 detects that the upper temperature of the cabinet 100 is higher, the controller 420 controls the motor 511 to rotate with the driving gear 5111 to enable the driven gear 612 to rotate with the telescopic members 600, the two telescopic members 600 rotate with the positioning rings 800 in an inclined way towards the upper direction of the cabinet 100, and the blowing direction of the fan blades 811 faces to the obliquely upper side of the interior of the cabinet body 100, so that the concentrated blowing and heat dissipation of the component areas above the interior of the cabinet body 100 are realized, meanwhile, the fan blades 811 can also be driven to the middle position or the lower position inside the cabinet body 100 by the aid of the first motor 511 to perform concentrated blowing and heat dissipation, the air of the component accessories with higher local temperature in the cabinet can be subjected to targeted heat dissipation, the rotating speed of the second motor 812 with the fan blades 811 is controlled by the controller 420, and the rotating speed of the high-temperature fan blades 811 is correspondingly accelerated.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely illustrative and explanatory of the invention, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.

Claims (9)

1. The utility model provides a 5G cabinet can expand, includes cabinet body (100), its characterized in that, the both ends of cabinet body (100) all are pegged graft in the slip has rectangle framed board (200), the outside of rectangle framed board (200) is fixed with curb plate (210), be provided with between curb plate (210) and rectangle framed board (200) and be used for adjusting piece (300) of rectangle framed board (200) position, one side of rectangle framed board (200) articulates there is door plant (400), the inboard of cabinet body (100) is fixed with two symmetrically arranged guide blocks (500), one side slip joint of guide block (500) has movable seat (510), the one end rotation of movable seat (510) is connected with extensible part (600), the outside of movable seat (510) is fixed with wedge (512) that are used for adjusting rectangle framed board (200), the one end that deviates from wedge (512) is fixed with wedge (520), wedge (520) have wedge (512) between wedge (512), the one end rotation of movable seat (510) is connected with extensible part (511), one end of the steel wire rope (700) deviating from the first wedge block (512) penetrates through the second wedge block (520) and is fixedly connected with the rectangular frame plate (200) at the corresponding position, a positioning ring (800) is fixed between the two telescopic pieces (600), a supporting rod (810) is fixed on one side of the positioning ring (800), and fan blades (811) are arranged at the top end of the supporting rod (810).

2. The expandable 5G cabinet according to claim 1, wherein the first limiting plate (530) is fixed on the top surface and the bottom surface of the guide block (500), the second limiting plate (540) is fixed on two ends of the guide block (500), one sliding side of the guide block (500) and the movable seat (510) is an inclined plane, the steel wire rope (700) penetrates through the middle part of the connecting spring (521), and a rope groove which is convenient for arranging the steel wire rope (700) is formed in the cabinet body (100).

3. The expandable 5G cabinet of claim 1, wherein the telescoping member (600) comprises a sleeve (610) rotatably connected to the movable base (510), a sliding rod (620) is slidably clamped inside the sleeve (610), and an arc-shaped block fixedly connected to the positioning ring (800) is fixed at one end of the sliding rod (620).

4. The expandable 5G cabinet of claim 3, wherein a clamping block (611) is fixed in the sleeve (610), a clamping groove (621) is formed in the outer side of the sliding rod (620), and the clamping block (611) is in sliding clamping connection with the clamping groove (621).

5. A scalable 5G cabinet according to claim 3, wherein the outer side of the sleeve (610) is sleeved and fixed with a driven gear (612), the output end of the motor one (511) is fixed with a driving gear (5111), and the driving gear (5111) is meshed with the driven gear (612).

6. The expandable 5G cabinet of claim 1, wherein a collar is fixed at the top of the support rod (810), a second motor (812) is fixed at the inner side of the collar, and an output end of the second motor (812) is fixedly connected with the fan blade (811).

7. The expandable 5G cabinet of claim 1, wherein the top of the side plate (210) is fixedly provided with a second filter screen (211), one side of the cabinet body (100) away from the door plate (400) is fixedly provided with a first filter screen (120), and both ends of the cabinet body (100) are provided with rectangular slots (110) in sliding connection with the rectangular frame plate (200).

8. The expandable 5G cabinet of claim 1, wherein the adjusting member (300) comprises a moving block (310) and a fixed block (320), the moving block (310) is fixedly connected with the corresponding position side plate (210), the fixed block (320) is fixedly connected with the cabinet body (100), and a screw (330) rotationally connected with the fixed block (320) is rotationally connected inside the moving block (310).

9. The expandable 5G cabinet of claim 1, wherein a plurality of temperature sensors (410) are installed and fixed on the inner side of the door plate (400) at equal intervals, a controller (420) is fixed on the bottom of the inner side of the door plate (400), and the controller (420) is electrically connected with the temperature sensors (410).