Radio frequency test shielding box

Abstract

The utility model relates to the technical field of RFID-SIM card testing, in particular to a radio frequency testing shielding box which comprises a shielding box body and a moving mechanism, a plurality of interfaces and antennas are arranged on the side face of the shielding box body, and the moving mechanism comprises a connecting rod, two limiting shells, two sliding rods, two pulleys, a cross rod, a fixing block, a threaded rod and a nut. The two limiting shells are fixedly connected with the shielding box body, the two sliding rods are slidably connected with the corresponding limiting shells, the connecting rod is fixedly connected with the two sliding rods, the two pulleys are rotatably connected with the corresponding sliding rods, the fixing block is fixedly connected with the shielding box body, the cross rod is fixedly connected with the two sliding rods, and the threaded rod is fixedly connected with the fixing block. And one end of the nut is rotationally connected with the cross rod, and the other end of the nut is in threaded connection with the threaded rod, and through the arrangement of the structure, the problems that an existing radio frequency test shielding box can only be installed at a corresponding position, is inconvenient to move and is not high in portability are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of RFID-SIM card testing, in particular to a radio frequency testing shielding box. Background Technique

[0002] Since RF radio frequency testing has high requirements for the testing environment, in order to avoid the influence of external signals on the testing process, a relatively closed testing environment needs to be constructed to shield external interference signals.

[0003] However, the existing radio frequency testing shielding box can only be installed in the corresponding position, which is not convenient to move and has low portability. Content of the Utility Model

[0004] The purpose of the utility model is to provide a radio frequency testing shielding box, which solves the problem that the existing radio frequency testing shielding box can only be installed in the corresponding position, is not convenient to move, and has low portability.

[0005] To achieve the above purpose, the utility model provides a radio frequency testing shielding box, which includes a shielding box body and a moving mechanism. A plurality of interfaces and antennas are arranged on the side of the shielding box body. The moving mechanism includes a connecting rod, two limiting shells, two sliding rods, two pulleys, a cross bar, a fixing block, a threaded rod and a nut. The two limiting shells are fixedly connected with the shielding box body and are located on one side of the shielding box body. The two sliding rods are slidably connected with the corresponding limiting shells and pass through the limiting shells. The connecting rod is fixedly connected with the two sliding rods and is located above the two sliding rods. The two pulleys are rotatably connected with the corresponding sliding rods and are located below the corresponding sliding rods. The fixing block is fixedly connected with the shielding box body and is located between the two sliding rods. The cross section of the fixing block is C-shaped. The cross bar is fixedly connected with the two sliding rods and is located on one side of the fixing block. The threaded rod is fixedly connected with the fixing block and passes through the cross bar. One end of the nut is rotatably connected with the cross bar, and the other end of the nut is threadedly connected with the threaded rod and is wrapped on the surface of the threaded rod.

[0006] Wherein, the moving mechanism further includes two support bars, the two support bars are respectively slidably connected with the corresponding sliding rods and are located below the shielding box body, and limiting blocks are arranged at both ends of the two support bars.

[0007] Wherein, a snap ring is arranged at the lower end of the nut, and the cross section of the snap ring is L-shaped.

[0008] Wherein, the radio frequency testing shielding box further includes four support components, and the four support components are uniformly arranged at the bottom of the shielding box body.

[0009] Wherein, each of the support components includes a telescopic rod, a support block, and a spring. One end of the telescopic rod is fixedly connected to the shielding box body, and the other end of the telescopic rod is fixedly connected to the support block and is located below the shielding box body. The spring is wrapped around the surface of the telescopic rod and is located between the shielding box body and the support block.

[0010] For a radio frequency test shielding box of the present utility model, two of the limiting shells are fixedly connected to the shielding box body and are located on one side of the shielding box body. Two sliding rods are slidably connected to the corresponding limiting shells and pass through the limiting shells. The connecting rod is fixedly connected to the two sliding rods and is located above the two sliding rods. Two pulleys are rotatably connected to the corresponding sliding rods and are located below the corresponding sliding rods. The fixing block is fixedly connected to the shielding box body and is located between the two sliding rods. The cross-section of the fixing block is C-shaped. The cross bar is fixedly connected to the two sliding rods and is located on one side of the fixing block. The threaded rod is fixedly connected to the fixing block and passes through the cross bar. One end of the nut is rotatably connected to the cross bar, and the other end of the nut is threadedly connected to the threaded rod and is wrapped around the surface of the threaded rod. When moving the shielding box body, by rotating the nut, the nut drives the cross bar to move, so that the sliding rods move in the limiting shells, and the two pulleys move to the lower end of the shielding box body, and it is convenient to push the shielding box body through the connecting rod. Description of the Drawings

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0012] Figure 1 is the overall structural schematic diagram of the first embodiment of the present utility model.

[0013] Figure 2 is the front view of the first embodiment of the present utility model.

[0014] Figure 3 is of the present utility model Figure 2 A-A line sectional view.

[0015] Figure 4 is of the present utility model Figure 3 structural schematic diagram at position B.

[0016] Figure 5It is a schematic diagram of the overall structure of the second embodiment of the present utility model.

[0017] 101 - Shielding box body, 102 - Connecting rod, 103 - Limiting shell, 104 - Sliding rod, 105 - Pulley, 106 - Cross bar, 107 - Fixed block, 108 - Threaded rod, 109 - Support bar, 110 - Nut, 111 - Snap ring, 112 - Limiting block, 113 - Interface, 114 - Antenna, 201 - Telescopic rod, 202 - Support block, 203 - Spring. Detailed implementation manners

[0018] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present utility model and should not be construed as a limitation to the present utility model.

[0019] First embodiment:

[0020] Please refer to Figures 1 to 4 , wherein, Figure 1 is a schematic diagram of the overall structure of the first embodiment of the present utility model, Figure 2 is a front view of the first embodiment of the present utility model, Figure 3 is the Figure 2 A - A line sectional view of the present utility model, Figure 4 is the Figure 3 structural schematic diagram at position B of the present utility model.

[0021] The present utility model provides a radio frequency test shielding box, which includes a shielding box body 101 and a moving mechanism. The moving mechanism includes a connecting rod 102, two limiting shells 103, two sliding rods 104, two pulleys 105, a cross bar 106, a fixed block 107, a threaded rod 108, two support bars 109 and a nut 110. Through the foregoing solution, the problem that the existing radio frequency test shielding box can only be installed at the corresponding position, is not convenient to move, and has low portability is solved.

[0022] For this specific embodiment, a plurality of interfaces 113 and antennas 114 are provided on the side of the shielding box body 101. Two of the limiting shells 103 are fixedly connected to the shielding box body 101 and are located on one side of the shielding box body 101. Two of the sliding rods 104 are slidably connected to the corresponding limiting shells 103 and pass through the limiting shells 103. The connecting rod 102 is fixedly connected to the two sliding rods 104 and is located above the two sliding rods 104. Two of the pulleys 105 are rotatably connected to the corresponding sliding rods 104 and are located below the corresponding sliding rods 104. The fixed block 107 is fixedly connected to the shielding box body 101 and is located between the two sliding rods 104. The cross-section of the fixed block 107 is C-shaped. The cross bar 106 is fixedly connected to the two sliding rods 104 and is located on one side of the fixed block 107. The threaded rod 108 is fixedly connected to the fixed block 107 and passes through the cross bar 106. One end of the nut 110 is rotatably connected to the cross bar 106. The other end of the nut 110 is threadedly connected to the threaded rod 108 and is wrapped around the surface of the threaded rod 108. When moving the shielding box body 101, by rotating the nut 110, the nut 110 drives the cross bar 106 to move, so that the sliding rod 104 moves in the limiting shell 103, and the two pulleys 105 move to the lower end of the shielding box body 101, and it is convenient to push the shielding box body 101 through the connecting rod 102.

[0023] Wherein, two of the support bars 109 are respectively slidably connected to the corresponding sliding rods 104 and are located below the shielding box body 101. The two ends of the two support bars 109 are provided with limiting blocks 112. After moving the sliding rod 104, slide the support bar 109 so that the support bar 109 moves to the bottom of the shielding box body 101 to support the shielding box body 101 and improve the stability.

[0024] Secondly, a snap ring 111 is provided at the lower end of the nut 110. The cross-section of the snap ring 111 is L-shaped. The snap ring 111 is fixedly connected to the shielding box body 101. The snap ring 111 is stuck inside the cross bar 106, so that when the nut 110 moves, the cross bar 106 is driven to move through the snap ring 111.

[0025] When moving the present utility model, by rotating the nut 110, the snap ring 111 is stuck inside the cross bar 106. When the nut 110 moves, it drives the cross bar 106 to move through the snap ring 111. The sliding rod 104 moves inside the limit shell 103, and the two pulleys 105 move to the lower end of the shielding box body 101. Slide the support bar 109 so that the support bar 109 moves to the bottom of the shielding box body 101 to support the shielding box body 101, and it is convenient to push the shielding box body 101 through the connecting rod 102.

[0026] Second Embodiment:

[0027] Please refer to Figure 5 , Figure 5 which is the overall structural schematic diagram of the second embodiment of the present utility model.

[0028] On the basis of the first embodiment, the present utility model provides a radio frequency test shielding box, which further includes four support components. Each support component includes a telescopic rod 201, a support block 202, and a spring 203. Through the setting of the above structure, the shielding box body 101 is supported, which is convenient for placing the shielding box body 101.

[0029] For this specific embodiment, the four support components are evenly arranged at the bottom of the shielding box body 101, and the four support components support the shielding box body 101, improving the stability.

[0030] Wherein, one end of the telescopic rod 201 is fixedly connected to the shielding box body 101, and the other end of the telescopic rod 201 is fixedly connected to the support block 202 and is located below the shielding box body 101. The spring 203 is coated on the surface of the telescopic rod 201 and is located between the shielding box body 101 and the support block 202. When placing the shielding box body 101 or when vibration occurs, the spring 203 and the telescopic rod 201 contract correspondingly, improving the stability.

[0031] When using the present utility model, after moving the shielding box body 101 to an appropriate position, rotate the nut 110 so that the two sliding rods 104 move upward, making the four support blocks 202 contact the ground. The spring 203 and the telescopic rod 201 contract correspondingly, making the shielding box body 101 placed stably and improving the stability.

[0032] The above-disclosed is only one or more preferred embodiments of the present application, and it cannot be used to limit the scope of rights of the present application. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present application still fall within the scope covered by the present application.

Claims

1. A radio frequency test shielding box, comprising a shielding box body, wherein the side of the shielding box body is provided with a plurality of interfaces and antennas, characterized in that: The cam is connected to the chassis and the cam is connected to the chassis, and the cam is connected to the chassis with the two limit shells, and the two limit shells are connected to the chassis with the corresponding limit shells, and the two limit shells are connected to the chassis with the corresponding limit shells, and the two limit shells are connected to the chassis with the corresponding limit shells, and the two limit shells are connected to the chassis with the corresponding limit shells, the two limit shells are connected to the chassis with the corresponding limit shells, the two limit shells are connected to the chassis with the corresponding limit shells, the two limit shells are connected to the chassis with the corresponding limit shells, the two limit shells are connected to the chassis with the corresponding limit shells, the two limit shells are connected to the chassis with the corresponding limit shells, the two limit shells are connected to the chassis with the corresponding limit shells, the two limit shells are connected to the chassis with the corresponding limit shells, the two limit shells are connected to the chassis with the corresponding limit shells, the two limit shells are connected to the chassis with the corresponding limit shells, the two limit shells are connected to the chassis with the corresponding limit shells, the two limit shells are connected to the chassis with the corresponding limit shells, the two limit shells are connected to the chassis with the corresponding limit shells, the two limit shells are connected to the chassis with the corresponding limit shells, the two limit shells are connected to the chassis with the corresponding limit shells, the two limit shells are connected to the chassis with the corresponding limit shells, the two limit shells are connected to the chassis with the corresponding limit shells, the two limit shells are connected to the chassis with the corresponding limit shells, the two limit shells are connected to the chassis with the corresponding limit shells, the two limit shells are connected to the chassis with the corresponding limit shells, the 2. The radio frequency test shielding box according to claim 1, characterized in that: The moving mechanism further comprises two support bars, which are respectively slidably connected to the corresponding sliding rods and are located below the shielding box body. Limiting blocks are arranged at both ends of the two support bars.

3. The radio frequency test shielding box according to claim 2, characterized in that: A snap ring is arranged at the lower end of the nut, and the cross section of the snap ring is arranged in an L shape.

4. The radio frequency test shielding box according to claim 3, characterized in that: The radio frequency test shielding box further comprises four supporting components, and the four supporting components are evenly arranged at the bottom of the shielding box body.

5. The radio frequency test shielding box according to claim 4, characterized in that: Each of the support assemblies includes a telescopic rod, a support block and a spring, one end of the telescopic rod is fixedly connected to the shielding box body, the other end of the telescopic rod is fixedly connected to the support block and is located below the shielding box body, and the spring is covered on the surface of the telescopic rod and is located between the shielding box body and the support block.

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