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CN-224216757-U - High-stability coupling shielding case test fixture

CN224216757UCN 224216757 UCN224216757 UCN 224216757UCN-224216757-U

Abstract

The utility model belongs to the technical field of shielding boxes, and particularly discloses a high-stability coupling shielding box testing tool which comprises an outer box and a pushing plate, wherein the pushing plate is movably connected to the lower part of the inner part of the outer box, rollers are respectively and movably connected to four corners of the bottom of the pushing plate, a cover plate is longitudinally fixed to the right side of the pushing plate, a sealing frame is fixed to one periphery of the outer part of the cover plate, and inserting rods are respectively fixed to four corners of the left side of the sealing frame. This high stability's coupling shielding case test fixture is fixed with the locating frame through a week on the outside right side of outer case to the gyro wheel drives push pedal and shielding case and gets into the outer case in, and then laminating at outer case surface on the apron on right side, after aiming at sealing frame and locating frame, the inserted bar is pegged graft in logical groove, consolidates in the screw with a vertical screw in of bolt again, avoids receiving the interference in gap department, cooperates signal generator and controller to produce interference signal and carries out anti shielding test, has solved the easy problem of leaking of signal.

Inventors

  • SUN JIANLIANG
  • Gu Chongbin
  • GUAN WENJIANG

Assignees

  • 深圳市深华世纪科技有限公司

Dates

Publication Date
20260508
Application Date
20250702

Claims (6)

  1. 1. The utility model provides a coupling shielding case test fixture of high stability, includes outer case (1) and push pedal (13), its characterized in that, the below swing joint in outer case (1) inside has push pedal (13), and the four corners department of push pedal (13) bottom respectively swing joint has gyro wheel (14), the right side of push pedal (13) is vertically fixed with apron (11), the outside a week of apron (11) is fixed with sealing frame (10), and sealing frame (10) left four corners department is fixed with inserted bar (18) respectively, the inside center department of inserted bar (18) is provided with jack (19), the outside right a week of outer case (1) is fixed with locating frame (9), and the inside four corners of locating frame (9) is respectively vertically provided with screw (16), threaded connection has bolt one (15) in screw (16), the center department of locating frame (9) transversely is provided with logical groove (17), the four corners department below outer case (1) surface is fixed with truckle (12) respectively.
  2. 2. The high-stability coupling shielding box testing tool according to claim 1, wherein the inserting rod (18) is transversely embedded in the through groove (17), and the first bolt (15) penetrates through the screw hole (16) and the jack (19).
  3. 3. The high-stability coupling shielding case test fixture disclosed in claim 1 is characterized in that a rectangular cavity (2) is arranged in the inner wall of the outer case (1), a reinforcing frame (3) is fixedly inserted in the rectangular cavity (2) in a front-back inserting manner, balls two (6) are movably embedded in four corners of the inner side of the rectangular cavity (2), balls one (5) are movably embedded in four corners of the outer side of the rectangular cavity (2), and a rubber ring (26) is fixedly arranged on one circumference of the side face of the front end of the reinforcing frame (3).
  4. 4. The high-stability coupling shielding box testing tool as set forth in claim 3, wherein the first ball (5) and the second ball (6) are respectively attached to the outer side and the inner side of the surface of the reinforcing frame (3), and the reinforcing frame (3) slides back and forth along the inner wall of the rectangular chamber (2).
  5. 5. The high-stability coupling shielding box testing tool disclosed by claim 1 is characterized in that a positioning hole (25) is formed between two sides of the top end of the push plate (13), an L-shaped plate (22) is respectively attached to two sides of the top end of the push plate (13), a round groove (20) is formed in the side face of the L-shaped plate (22), a push rod (23) is movably inserted into the round groove (20), a push block (21) is fixed on the side face of the push rod (23), a spring (27) is fixed between the side face of the push block (21) and the L-shaped plate (22), a bolt II (24) is connected with the bottom of the L-shaped plate (22) in a threaded mode, a shielding box (4) is placed at the center of the top end of the push plate (13), a controller (8) is fixed on the top end of the outer part of the outer box (1), and a signal generator (7) is fixed on the top end of the inner part of the outer box (1).
  6. 6. The high-stability coupling shielding case test fixture as set forth in claim 5, wherein the bottom of the second bolt (24) is embedded in the positioning hole (25), and the pushing blocks (21) are attached to two sides of the shielding case (4).

Description

High-stability coupling shielding case test fixture Technical Field The utility model relates to the technical field of shielding boxes, in particular to a high-stability coupling shielding box testing tool. Background The coupling shielding box is a device which is specially used for isolating external signals and guaranteeing that internal electric appliances are not interfered, so that the electric appliances can work stably and accurately in an automatic operation environment, the accuracy in signal transmission and receiving is guaranteed, and the shielding effect of the shielding box is tested and needs to be put into a testing tool for detection. The inside of this kind of test fixture is always equipped with the cavity and waits to hold the shielded cell, if two opening parts leave the gap, the shielding effect of signal is difficult to demonstrate, and the test result directly receives the influence to whether can't learn the true function of shielded cell is enough to stop the signal, and the accuracy is discounted greatly. At present, a novel high-stability coupling shielding case test fixture is provided for solving the problems. Disclosure of utility model The utility model aims to provide a high-stability coupling shielding case test fixture, which is used for solving the problem that signals are easy to leak in the background technology. The technical scheme is that the high-stability coupling shielding box testing tool comprises an outer box and a push plate, wherein the push plate is movably connected to the lower portion of the inner portion of the outer box, idler wheels are movably connected to four corners of the bottom of the push plate respectively, a cover plate is longitudinally fixed to the right side of the push plate, a sealing frame is fixedly arranged on the periphery of the outer portion of the cover plate, inserting rods are respectively fixed to the four corners of the left side of the sealing frame, insertion holes are formed in the center of the inner portion of the inserting rods, positioning frames are fixedly arranged on the periphery of the right side of the outer portion of the outer box, screw holes are respectively and longitudinally formed in the four corners of the inner portion of the positioning frames, bolts I are connected to the screw holes in a threaded mode, through grooves are transversely formed in the center of the positioning frames, and casters are respectively fixed to the four corners below the surface of the outer box. As a further technical scheme of the utility model, the inserted link is transversely embedded in the through groove, and the first bolt penetrates through between the screw hole and the jack. As a further technical scheme of the utility model, a rectangular cavity is arranged in the inner wall of the outer box, a reinforcing frame is fixedly inserted in the rectangular cavity in a front-back inserting manner, balls II are respectively movably embedded in four corners of the inner side of the rectangular cavity, balls I are respectively movably embedded in four corners of the outer side of the rectangular cavity, and a rubber ring is fixedly arranged on one periphery of the side face of the front end of the reinforcing frame. As a further technical scheme of the utility model, the first ball and the second ball are respectively attached to the outer side and the inner side of the surface of the reinforcing frame, and the reinforcing frame slides back and forth along the inner wall of the rectangular cavity. As a further technical scheme of the utility model, a positioning hole is formed between two sides of the top end of the push plate, two sides of the top end of the push plate are respectively attached with an L-shaped plate, a round groove is formed in the side face of the L-shaped plate, a push rod is movably inserted in the round groove, a push block is fixed on the side face of the push rod, a spring is fixed between the side face of the push block and the L-shaped plate, a second bolt is connected with the bottom thread of the L-shaped plate, a shielding box is placed at the center of the top end of the push plate, a controller is fixed at the top end of the outer box, and a signal generator is fixed at the top end of the inner part of the outer box. As a further technical scheme of the utility model, the bottom of the second bolt is embedded in the positioning hole, and the pushing block is attached to two sides of the shielding box. Compared with the prior art, the high-stability coupling shielding box testing tool has the beneficial effects that the high-stability coupling shielding box testing tool not only realizes reinforcement and sealing, realizes the improvement of shielding capacity, but also realizes the convenience of taking the shielding box; (1) The positioning frame is fixed on the periphery of the right side of the outer box, the roller drives the push plate and the shielding box to enter the outer box, the cov