Electromagnetic shielding cabinet with liftable rollers

Abstract

The utility model relates to the technical field of electromagnetic shielding, in particular to an electromagnetic shielding cabinet with liftable rollers, which comprises a cabinet body and a support body positioned below the cabinet body, universal rollers are arranged at the bottom of the cabinet body in the support body, the universal rollers are telescopically arranged in the support body, and parts of the universal rollers can extend out of the support body; the supporting body is of a hollow square shell-shaped structure, a partition plate is horizontally arranged in an inner cavity of the supporting body, and the partition plate divides the inner cavity of the supporting body into an upper cavity and a lower cavity; according to the utility model, the universal rollers are telescopically arranged in the lower cavity; when moving is needed, the universal rolling wheels extend out of the cabinet body so that moving of the cabinet body can be achieved, when stable supporting is needed, the universal rolling wheels stretch out and draw back into the cabinet body, the supporting effect is provided for the cabinet body through the bottom face of the supporting body, and the situation that the composite floor is damaged due to concentrated pressure is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic shielding, in particular to an electromagnetic shielding cabinet with lifting rollers. Background Art

[0002] Electromagnetic shielding cabinets are primarily used to suppress radiated interference, typically providing an interference-free testing environment for wireless communications equipment or high-precision devices. These cabinets are typically assembled or welded from steel plates, most of which are 1.5 mm thick. This makes them heavy and difficult to transport, often requiring disassembly. To enhance the cabinet's mobility and flexibility, existing technologies incorporate a retractable roller system at the bottom. This allows users to easily move the cabinet to the desired location and secure the rollers when needed. For example, Chinese patent CN209882424 discloses an electromagnetic shielding cabinet with high heat dissipation performance, including a cabinet body, and a network of pipes interconnected on the top surface and the left, right and rear sides of the cabinet body, and the pipe openings of the pipes are arranged at the left, right and rear edges of the bottom surface of the cabinet body; the bottom surface of the cabinet body is connected to a water tank, and the pipe opening is connected to the inside of the water tank; a submersible pump and a rake-type water distribution pipe are provided in the water tank, and the water inlet pipe of the water distribution pipe is connected to the water outlet of the submersible pump, and the water outlet pipe is connected to the pipe opening on any side of the bottom surface of the cabinet body; the submersible pump is connected to a switch controller and a power adapter located outside the water tank; a hollow partition is also provided in the cabinet body, and the hollow structure is a pipe structure interconnected with the pipes on the side of the cabinet body. The above patent has rollers at the bottom of the cabinet to ensure the stability of movement; however, most of the floors of electromagnetic shielding rooms are composite floors or fireproof boards. The electromagnetic shielding cabinet with wheels has a small contact area with the bottom surface, which can easily cause uneven force on the composite board floor and cause depression. Especially after the electromagnetic shielding cabinet is filled with items, the weight of the cabinet increases, and the composite board floor is deformed, which will not only affect the movement of the shielding cabinet, but also shorten the overall service life and stability of the shielding room.

[0003] Therefore, it is necessary for technical personnel in this field to provide an electromagnetic shielding cabinet with a roller that can be raised and lowered, provide movable rollers for the electromagnetic shielding cabinet, and reduce the squeezing of the electromagnetic shielding cabinet on the composite floor to ensure the use effect. Utility Model Content

[0004] The utility model aims to provide an electromagnetic shielding cabinet with rollers that can be raised and lowered, so as to solve the technical problem in the prior art that the electromagnetic shielding cabinet with rollers easily squeezes and deforms the composite floor, thereby affecting the movement stability.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a roller-liftable electromagnetic shielding cabinet, comprising a cabinet body and a support body located below the cabinet body, the bottom of the cabinet body is located within the support body and a universal roller is provided, the universal roller is telescopically arranged within the support body, and the universal roller part can be telescopically extended outside the support body; the support body is a square shell-shaped structure with a hollow interior, a partition is horizontally provided in the internal cavity of the support body, the partition divides the internal cavity of the support body into an upper cavity and a lower cavity; the universal roller is telescopically arranged in the lower cavity.

[0006] Furthermore, a second telescopic cylinder is provided in the upper cavity, a first telescopic cylinder is provided in the lower cavity, the universal roller is mounted on the telescopic rod of the second telescopic cylinder, and a support plate is fixedly connected to the telescopic rod of the first telescopic cylinder.

[0007] Furthermore, four second telescopic cylinders are provided and located at the four corners of the upper cavity, and the telescopic rods of the second telescopic cylinders pass through the partition and the lower shell of the support body and extend to the outside of the support body.

[0008] Furthermore, the universal roller is located in the lower cavity and is telescopically arranged in the lower cavity following the telescopic rod of the second telescopic cylinder.

[0009] Furthermore, the first telescopic cylinder is arranged in the lower cavity and is located in the central portion, and the telescopic rod of the first telescopic cylinder can pass through the lower shell of the support body and extend to the outside of the support body.

[0010] Furthermore, the support plate is telescopically arranged in the support body following the telescopic rod of the first telescopic cylinder.

[0011] Furthermore, the bottom surface of the support plate is flush with the bottom surface of the support body.

[0012] Furthermore, the first telescopic cylinder and the second telescopic cylinder are both pneumatic cylinders.

[0013] Furthermore, the support plate is cross-shaped and is connected in the support body.

[0014] The beneficial effects of the present invention are as follows: the present invention utilizes the support plate to lift and slowly lower the cabinet body, thereby ensuring that the universal roller can be switched during use; when movement is required, the universal roller is extended out of the cabinet body to achieve its movement; when stable support is required, the universal roller is retracted into the cabinet body, and the bottom surface of the support body is utilized to provide support for the cabinet body, thereby preventing concentrated pressure from damaging the composite floor, and improving the stability and convenience of the use of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the electromagnetic shielding cabinet with rollers that can be raised and lowered according to the present invention.

[0016] Figure 2 This is a bottom view of the electromagnetic shielding cabinet with rollers that can be raised and lowered according to the present invention.

[0017] Figure 3 yes Figure 2 Cross-sectional view along AA.

[0018] Figure 4 yes Figure 2 Cross-sectional view along BB.

[0019] The components in the accompanying drawings are marked as follows: 10, cabinet body; 11, support body; 12, universal roller; 13, support plate; 14, first telescopic cylinder; 15, second telescopic cylinder; 17, partition; 18, upper cavity; 19, lower cavity. DETAILED DESCRIPTION

[0020] The present invention will now be described in detail with reference to the accompanying drawings. This drawing is a simplified schematic diagram, which only illustrates the basic structure of the present invention in a schematic manner, and therefore only shows the components related to the present invention.

[0021] See also Figure 1 、 Figure 2 The utility model provides an electromagnetic shielding cabinet with a roller that can be raised and lowered, comprising a cabinet body 10 and a support body 11 located below the cabinet body 10. The bottom of the cabinet body 10 is located in the support body 11 and is provided with a universal roller 12. The universal roller 12 is retractably arranged in the support body 11, and part of the universal roller 12 can be retracted to the outside of the support body 11; when in use, in the moving state, the universal roller 12 is retracted to the outside of the support body 11 to provide a moving operation for the cabinet body 10; in the fixed state, the universal roller 12 is retracted to the inside of the support body 11, and the support body 11 is used to provide a sufficient support area for the cabinet body 10, thereby ensuring the stability of installation and the convenience of movement.

[0022] Further, see Figure 3 、 Figure 4 The support body 11 is a square shell structure with a hollow interior. A partition 17 is horizontally provided in the interior cavity of the support body 11. The partition 17 divides the interior cavity of the support body 11 into an upper cavity 18 and a lower cavity 19.

[0023] The utility model utilizes the partition 17 made of steel structure to form a stable supporting structure with the support body 11, thereby ensuring the stability of the support body 11 during use.

[0024] Specifically, a second telescopic cylinder 15 is disposed in the upper cavity 18, and a first telescopic cylinder 14 is disposed in the lower cavity 19. The universal roller 12 is mounted on the telescopic rod of the second telescopic cylinder 15, and a support plate 13 is fixedly connected to the telescopic rod of the first telescopic cylinder 14.

[0025] Four second telescopic cylinders 15 are provided and are located at the four corners of the upper cavity 18. The telescopic rod of the second telescopic cylinder 15 passes through the partition 17 and the lower shell of the support body 11 and extends to the outside of the support body 11. The universal roller 12 is located in the lower cavity 19 and is telescopically arranged in the lower cavity 19 following the telescopic rod of the second telescopic cylinder 15. Preferably, the second telescopic cylinder 15 is a pneumatic cylinder.

[0026] The first telescopic cylinder 14 is disposed in the center of the lower cavity 19. The telescopic rod of the first telescopic cylinder 14 extends through the lower housing of the support body 11 and out of the support body 11. The support plate 13 is telescopically disposed within the support body 11, following the telescopic rod of the first telescopic cylinder 14. Preferably, the bottom surface of the support plate 13 is flush with the bottom surface of the support body 11. Preferably, the first telescopic cylinder 14 is a pneumatic cylinder.

[0027] When in use, the first telescopic cylinder 14 is first used to control the support plate 13 to move to the outside of the support body 11, thereby lifting the cabinet body 10, and then the second telescopic cylinder 15 controls the universal roller 12 to move to the outside of the support body 11, and finally moves the support plate 13 to the inside of the support body 11, so that the universal roller 12 becomes a component supporting the cabinet body 10, thereby achieving movement; when moved to the appropriate position, the first telescopic cylinder 14 is used to control the support plate 13 to move to below the bottom of the first telescopic cylinder 14, thereby lifting the cabinet body 10 again, and then drives the second telescopic cylinder 15 to control the universal roller 12 to telescope to the inside of the support body 11, and finally moves the support plate 13 to the inside of the support body 11, so that the support body 11 and the support plate 13 become components supporting the cabinet body 10, thereby achieving stable support.

[0028] The utility model utilizes the universal rollers 12 located at the four corners of the support body 11 to provide the cabinet body 10 with a more stable support effect and movement effect.

[0029] In this embodiment, the support plate 13 is cross-shaped and is connected in a cooperative manner in the support body 11 , so that the first telescopic cylinder 14 can drive the support plate 13 to move and is also easy to replace.

[0030] In another embodiment, the support plate 13 is in a disc shape, so as to improve the stability of the support plate 13 when lifting the cabinet 10 and prevent shaking and deviation.

[0031] Compared with the prior art which directly uses rollers as the supporting components of the shielding cabinet, the present invention has a more stable supporting effect and a more convenient moving effect. The cabinet body 10 is lifted by using the support plate 13, thereby ensuring that the universal roller 12 can be switched during use. When movement is required, the universal roller 12 is extended out of the cabinet body 10 to achieve its movement. When stable support is required, the universal roller 12 is retracted into the cabinet body 10, and the bottom surface of the support body 11 is used to provide a supporting effect for the cabinet body 10, thereby preventing concentrated pressure from damaging the composite floor, and improving the stability and convenience of the use of the present invention.

[0032] The specific operation method of the present invention is: first, the support plate 13 is controlled by the first telescopic cylinder 14 to move to the outside of the support body 11, thereby lifting the cabinet body 10, and then the second telescopic cylinder 15 controls the universal roller 12 to move to the outside of the support body 11, and finally moves the support plate 13 to the inside of the support body 11, so that the universal roller 12 becomes a component supporting the cabinet body 10, thereby realizing movement; when it moves to the appropriate position, the support plate 13 is controlled by the first telescopic cylinder 14 to move to the outside of the support body 11, thereby lifting the cabinet body 10 again, and then the second telescopic cylinder 15 is driven to control the universal roller 12 to telescope to the inside of the support body 11, and finally moves the support plate 13 to the inside of the support body 11, so that the support body 11 and the support plate 13 become components supporting the cabinet body 10, thereby realizing stable support.

[0033] The present invention utilizes the support plate 13 to lift and slowly lower the cabinet body 10, thereby ensuring that the universal roller 12 can be switched during use. When movement is required, the universal roller 12 is extended out of the cabinet body 10 to achieve its movement. When stable support is required, the universal roller 12 is retracted into the cabinet body 10, and the bottom surface of the support body 11 is used to provide support for the cabinet body 10, thereby preventing concentrated pressure from damaging the composite floor, and improving the stability and convenience of the use of the present invention.

[0034] It is understood that the present invention is described by way of certain embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. Furthermore, under the guidance of the present invention, these features and embodiments may be modified to suit specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are intended to be protected by the present invention.

Claims

1. A roller-liftable electromagnetic shielding cabinet, comprising a cabinet body (10) and a support body (11) located below the cabinet body (10), characterized in that: The bottom of the cabinet (10) is located inside the support body (11) and is provided with a universal roller (12); the universal roller (12) is telescopically arranged inside the support body (11), and a portion of the universal roller (12) can be telescopically extended outside the support body (11); the support body (11) is a square shell-like structure with a hollow interior; a partition (17) is horizontally arranged inside the interior cavity of the support body (11); the partition (17) divides the interior cavity of the support body (11) into an upper cavity (18) and a lower cavity (19); and the universal roller (12) is telescopically arranged inside the lower cavity (19).

2. The electromagnetic shielding cabinet with rollers that can be raised and lowered according to claim 1 is characterized in that: A second telescopic cylinder (15) is disposed in the upper cavity (18), a first telescopic cylinder (14) is disposed in the lower cavity (19), the universal roller (12) is mounted on a telescopic rod of the second telescopic cylinder (15), and a support plate (13) is fixedly connected to the telescopic rod of the first telescopic cylinder (14).

3. The electromagnetic shielding cabinet with rollers that can be raised and lowered according to claim 2, characterized in that: Four second telescopic cylinders (15) are provided and are located at the four corners of the upper cavity (18); the telescopic rods of the second telescopic cylinders (15) penetrate the partition plate (17) and the lower shell of the support body (11) and extend to the outside of the support body (11).

4. The electromagnetic shielding cabinet with rollers that can be raised and lowered according to claim 3 is characterized in that: The universal roller (12) is located in the lower cavity (19) and is telescopically arranged in the lower cavity (19) following the telescopic rod of the second telescopic cylinder (15).

5. The electromagnetic shielding cabinet with rollers that can be raised and lowered according to claim 2, characterized in that: The first telescopic cylinder (14) is arranged in the lower cavity (19) and is located in the central part; the telescopic rod of the first telescopic cylinder (14) can penetrate the lower shell of the support body (11) and extend to the outside of the support body (11).

6. The electromagnetic shielding cabinet with rollers that can be raised and lowered according to claim 5, characterized in that: The support plate (13) is telescopically arranged in the support body (11) following the telescopic rod of the first telescopic cylinder (14).

7. The electromagnetic shielding cabinet with rollers that can be raised and lowered according to claim 6, characterized in that: The bottom surface of the support plate (13) is flush with the bottom surface of the support body (11).

8. The electromagnetic shielding cabinet with rollers that can be raised and lowered according to claim 2, characterized in that: The first telescopic cylinder (14) and the second telescopic cylinder (15) are both pneumatic cylinders.

9. The electromagnetic shielding cabinet with rollers that can be raised and lowered according to claim 2, characterized in that: The support plate (13) is in a cross shape, and the support plate (13) is connected in cooperation with the support body (11).

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