CN215648066U

CN215648066U - Signal shielding box

Info

Publication number: CN215648066U
Application number: CN202122035863.0U
Authority: CN
Inventors: 周家术
Original assignee: Suzhou Shuli Information Technology Co ltd
Current assignee: Suzhou Shuli Information Technology Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-01-25
Anticipated expiration: 2031-08-26

Abstract

The utility model relates to the field of communication signals, in particular to a signal shielding box, which comprises a working table plate, a shielding box body and a box cover; a shielding box body is arranged above the working table plate, and a box cover is arranged above the shielding box body; the inner side wall of the shielding box body is provided with a buffering assembly, the buffering assembly comprises a movable frame, a positioning plate and a movable hinge rod, the two sides of the inner wall of the shielding box body are fixedly connected with the movable frame, a T-shaped rod is movably mounted in the movable frame, and the other side of the T-shaped rod is fixedly connected with a connecting plate; a limiting spring is arranged between the movable frame and the T-shaped rod, movable hinge rods are arranged at the upper end and the lower end of the connecting plate through bearings, and positioning plates are arranged on the inner sides of the movable hinge rods; a first slide rail is arranged inside the positioning plate; can fix the article, prevent that the article from taking place to rock in the box, when guaranteeing to place stably, the protecting effect is better.

Description

Signal shielding box

Technical Field

The utility model relates to the field of communication signals, in particular to a signal shielding box.

Background

Along with the development of society, electronic products gradually become indispensable tools in people's life, bring huge facility for people's life, along with the increase of demand, electron producer is also increasing gradually.

In the production process of a manufacturer, the communication product after production needs to be detected, and the communication product is interfered by signals from the outside and the inside during detection, so that the detection effect is influenced.

The prior shielding box can not fix the equipment to be shielded usually in the using process, when the shielding box is collided, the communication product in the box can shake, and the shielding effect in the box can be reduced while the communication product can not be protected; therefore, a signal shielding box is proposed to address the above problems.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art and solve the problem that equipment needing shielding cannot be fixed, the utility model provides a signal shielding box.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the signal shielding box comprises a working table plate, a shielding box body and a box cover; a shielding box body is arranged above the working table plate, and a box cover is arranged above the shielding box body;

the inner side wall of the shielding box body is provided with a buffering assembly, the buffering assembly comprises a movable frame, a positioning plate and a movable hinge rod, the two sides of the inner wall of the shielding box body are fixedly connected with the movable frame, a T-shaped rod is movably mounted in the movable frame, and the other side of the T-shaped rod is fixedly connected with a connecting plate; a limiting spring is arranged between the movable frame and the T-shaped rod, movable hinge rods are arranged at the upper end and the lower end of the connecting plate through bearings, and positioning plates are arranged on the inner sides of the movable hinge rods; a first slide rail is arranged in the positioning plate, the upper end and the lower end of the interior of the first slide rail are both connected with a limiting slide block in a sliding manner, and the other side of the movable hinge rod is arranged on the limiting slide block through a bearing; and a buffer spring is arranged between the two groups of limiting sliding blocks, so that the object is fixed and prevented from shaking in the box.

Preferably, about the activity frame inner wall all the rigid coupling in both ends has the division board about the locating plate inside wall, and the division board upper surface is provided with anti-skidding line, can separate the multiunit article, has ensured the holistic result of use of device.

Preferably, both ends all sliding connection have the second slide rail about the activity frame inner wall, sliding connection has the stabilizing slide block on the second slide rail, and the other end rigid coupling of stabilizing the slide block on T shape pole, has further improved T shape pole and has removed in-process stability.

Preferably, a stabilizing assembly is arranged between the working table plate and the shielding box body, the stabilizing assembly comprises a positioning rod, a stabilizing cavity and a return spring, the positioning rod is fixedly connected to the bottom end of the shielding box body, and the stabilizing cavities are arranged on two sides of the positioning rod; a fixed rod is arranged outside the stable cavity, and the other side of the fixed rod penetrates through a bearing of the stable cavity and is provided with an arc-shaped hinge rod; a clamping rod is arranged on the other side of the arc-shaped hinge rod through a bearing, clamping grooves are formed in the two sides of the positioning rod, and the clamping rod penetrates through the stable cavity and is inserted into the matched clamping grooves; a return spring is arranged between the stabilizing cavity and the fixing rod, so that the stability of the shielding box in the using process is ensured.

Preferably, an inner groove is formed in the working table plate, a nut ring is fixedly connected to the inner side wall of the inner groove, a threaded rod is installed on the inner portion of the nut ring in a threaded mode, and the other side of the threaded rod is installed on the inner wall of the inner groove through a bearing; the outside rigid coupling of threaded rod has the limiting plate, the cover block is all installed through the screw thread in both sides on the threaded rod, cover block top rigid coupling has the connecting rod, and connecting rod top rigid coupling has firm cavity, has ensured the whole convenience at the removal in-process of device, has improved the suitability of device.

Preferably, all the rigid couplings in lid inner wall both sides have the mounting panel, the mounting groove has all been seted up in shielding box body outer wall both sides, the mounting panel is inside to be run through to insert in the mounting panel and be equipped with the inserted bar, the spacing groove has all been seted up at both ends about the mounting panel is inside, the gag lever post is all installed through the bearing in both ends about the inserted bar, and all is provided with compression spring between inserted bar and the gag lever post, has ensured the steadiness of device in the operation process, has guaranteed the convenience of device in the operation process simultaneously.

Preferably, the corners of the inner walls of the limiting grooves are glued with extrusion blocks, the other ends of the extrusion blocks are attached to the limiting rods matched with the extrusion blocks, and the stability of the device in the whole operation process is further improved.

Preferably, the limiting plate outside fixedly connected with draws the handle, draw and be provided with anti-skidding line on the handle, and draw the material of handle and for the rubber design, ensured the convenience of device in the use.

The utility model has the advantages that:

1. the object to be shielded is placed between the two groups of positioning plates, the first slide rail is extruded, the movable hinge rod and the positioning plates move in the same direction, the buffer spring is stretched, the stabilizing slide block is driven to slide in the second slide rail at the same time, the T-shaped rod is driven to move, the limiting spring is extruded, the acting force is stopped, the limiting spring and the buffer spring are elastically deformed and restored, the object can be fixed, the object is prevented from shaking in the box, and the protective effect is better while stable placement is ensured;

2. through pressing the connecting rod to the inboard, it removes to the one end that is close to the locating lever to drive the dead lever, the extrusion to reset spring, it removes to the one end of keeping away from the locating lever along firm cavity inner wall to drive the arc articulated arm, make the kelly break away from and the draw-in groove between the lock state, can demolish its shielding box body and locating lever this moment, during the effort of stopping, make reset spring take place elastic deformation reconversion, make the kelly reinsert establish to the draw-in groove inside, the convenience of device in the dismouting in-process has been improved, the holistic result of use of device has been ensured, when the kelly is in inserting and establishes the state, thereby the problem of rocking has been prevented to shield the box and bump after arranging in on the plane in production, shield box's steadiness in the use has been ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a perspective view of a first embodiment;

FIG. 2 is a schematic cross-sectional front view illustrating a structure of the first embodiment;

FIG. 3 is an enlarged schematic view of a portion A of FIG. 2 according to an embodiment;

FIG. 4 is an enlarged schematic view of a portion B of FIG. 2 according to an embodiment;

fig. 5 is a schematic partial cross-sectional structure diagram of the second embodiment.

In the figure: 1. a work table; 101. an inner tank; 102. a nut ring; 103. a threaded rod; 104. sleeving blocks; 105. a limiting plate; 106. a connecting rod; 107. a stability chamber; 108. fixing the rod; 109. a return spring; 110. an arc-shaped hinge rod; 111. a clamping rod; 112. a card slot; 113. a pull ring; 114. a bump; 2. a shielding box body; 201. a movable frame; 202. a T-shaped rod; 203. a limiting spring; 204. a connecting plate; 205. positioning a plate; 206. a first slide rail; 207. a limiting slide block; 208. a buffer spring; 209. a movable hinge rod; 210. a partition plate; 211. a second slide rail; 212. stabilizing the slide block; 3. a box cover; 301. mounting a plate; 302. inserting a rod; 303. a limiting rod; 304. a limiting groove; 305. a compression spring; 306. extruding the block; 307. pulling a handle; 308. mounting grooves; 4. and (5) positioning the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-4, the signal shielding box includes a working platen 1, a shielding box body 2 and a box cover 3; a shielding box body 2 is arranged above the working table plate 1, and a box cover 3 is arranged above the shielding box body 2;

a buffer assembly is arranged on the inner side wall of the shielding box body 2, the buffer assembly comprises a movable frame 201, a positioning plate 205 and a movable hinge rod 209, the movable frame 201 is fixedly connected to both sides of the inner wall of the shielding box body 2, a T-shaped rod 202 is movably mounted in the movable frame 201, and a connecting plate 204 is fixedly connected to the other side of the T-shaped rod 202; a limiting spring 203 is arranged between the movable frame 201 and the T-shaped rod 202, movable hinge rods 209 are arranged at the upper end and the lower end of the connecting plate 204 through bearings, and a positioning plate 205 is arranged on the inner sides of the movable hinge rods 209; a first slide rail 206 is arranged inside the positioning plate 205, the upper end and the lower end inside the first slide rail 206 are both connected with a limiting slide block 207 in a sliding manner, and the other side of the movable hinge rod 209 is arranged on the limiting slide block 207 through a bearing; a buffer spring 208 is arranged between the two groups of limiting sliding blocks 207; when the box cover 3 and the mounting plate 301 are separated from the clamping state with the shielding box body 2, a signal object to be shielded is placed between the two groups of positioning plates 205, when the size of the object is larger than the distance between the two groups of positioning plates 205, the first slide rail 206 is extruded at the moment, due to the effect that the movable hinge rod 209 is mounted on the connecting plate 204 and the limiting slide block 207 through the bearing, when the two groups of positioning plates 205 move towards one side far away from the other side, the movable hinge rod 209 and the positioning plates 205 move in the same direction, the buffer spring 208 is stretched, the stabilizing slide block 212 is driven to slide in the second slide rail 211, due to the integral structure design, the T-shaped rod 202 is driven to move while the stabilizing slide block 212 slides, the limiting spring 203 is extruded, when the product to be shielded is placed above the partition plate 210, the acting force disappears, and the limiting spring 203 and the buffer spring 208 elastically deform to restore to the original state, carry out the fixed action to the article, prevent that the article from rocking in the box, when guaranteeing to place stably, the protecting effect is better.

Partition plates 210 are fixedly connected to the upper end and the lower end of the inner side wall of the positioning plate 205 on the upper side and the lower side of the inner wall of the movable frame 201, and anti-skid grains are arranged on the upper surfaces of the partition plates 210; during operation, the product to be shielded is arranged between the two groups of positioning plates 205, and the products to be shielded are separated by the partition plates 210 arranged on the inner sides of the positioning plates 205, so that multiple groups of objects can be separated, and the overall use effect of the device is ensured.

The upper end and the lower end of the inner wall of the movable frame 201 are both connected with a second slide rail 211 in a sliding manner, the second slide rail 211 is connected with a stable slide block 212 in a sliding manner, and the other end of the stable slide block 212 is fixedly connected to the T-shaped rod 202; during operation, in the process that the T-shaped rod 202 moves inside the movable frame 201, the stabilizing sliding block 212 is driven to slide inside the second sliding rail 211, and the stability of the T-shaped rod 202 in the moving process is further improved.

A stabilizing assembly is arranged between the working table plate 1 and the shielding box body 2, the stabilizing assembly comprises a positioning rod 4, a stabilizing cavity 107 and a return spring 109, the positioning rod 4 is fixedly connected to the bottom end of the shielding box body 2, and the stabilizing cavities 107 are arranged on two sides of the positioning rod 4; a fixing rod 108 is arranged outside the stabilizing chamber 107, and the other side of the fixing rod 108 penetrates through the stabilizing chamber 107 and is provided with an arc-shaped hinge rod 110 in a bearing manner; a clamping rod 111 is mounted on the other side of the arc-shaped hinge rod 110 through a bearing, clamping grooves 112 are formed in both sides of the positioning rod 4, and the clamping rod 111 penetrates through the stabilizing cavity 107 and is inserted into the matched clamping grooves 112; a return spring 109 is arranged between the stabilizing chamber 107 and the fixing rod 108; when the device works, the connecting rod 106 is pressed inwards, due to the action of movable installation, the fixing rod 108 is driven to move towards one end close to the positioning rod 4 in the moving process of the connecting rod 106, the reset spring 109 is extruded, due to the action of bearing installation, the arc-shaped hinge rod 110 is driven to move towards one end far away from the positioning rod 4 along the inner wall of the stable cavity 107 in the moving process of the fixing rod 108, so that the clamping rod 111 is separated from the locking state with the clamping groove 112, due to the fixed installation between the shielding box body 2 and the positioning rod 4, the shielding box body 2 and the positioning rod 4 can be detached at the moment, when the acting force is stopped, the reset spring 109 is elastically deformed and is restored to the original state, the clamping rod 111 is inserted into the matched clamping groove 112 again, the convenience of the device in the dismounting process is improved, and the using effect of the whole device is ensured, when the clamping rod 111 is in the inserting state, the stability of the shielding box in the using process is ensured.

An inner groove 101 is formed in the workbench plate 1, a nut ring 102 is fixedly connected to the inner side wall of the inner groove 101, a threaded rod 103 is installed in the nut ring 102 through threads, and the other side of the threaded rod 103 is installed on the inner wall of the inner groove 101 through a bearing; a limiting plate 105 is fixedly connected to the outer portion of the threaded rod 103, sleeve blocks 104 are mounted on two sides of the threaded rod 103 through threads, a connecting rod 106 is fixedly connected to the top ends of the sleeve blocks 104, and a stabilizing chamber 107 is fixedly connected to the top ends of the connecting rods 106; the during operation, through rotating limiting plate 105, under the effect of power, when driving limiting plate 105 and carrying out the pivoted, because the effect of bearing installation, drive threaded rod 103 and rotate inside nut ring 102, because the effect of screw thread installation, drive sleeve block 104 and remove about on threaded rod 103, because integral type structural design, at the in-process that sleeve block 104 removed, drive connecting rod 106 and firm cavity 107 and remove simultaneously, can remove the position of signal shielding box this moment, the whole convenience at the removal in-process of device has been ensured, the suitability of device has been improved.

Mounting plates 301 are fixedly connected to two sides of the inner wall of the box cover 3, mounting grooves 308 are formed in two sides of the outer wall of the shielding box body 2, an inserting rod 302 penetrates through the mounting plates 301 inside the mounting plates 301, limiting grooves 304 are formed in the upper end and the lower end of the mounting plates 301 inside the mounting plates, limiting rods 303 are mounted at the upper end and the lower end of the inserting rods 302 through bearings, and compression springs 305 are arranged between the inserting rods 302 and the limiting rods 303; when the box cover is in work, the pull handle 307 is held by hand to press towards the inner side, due to the integral structure design, the insertion rod 302 is driven to move towards the inner side along the mounting groove 308 under the action of force, due to the effect that the limiting rod 303 is mounted at the upper end and the lower end of the limiting rod 303 through a bearing, the limiting rod 303 is extruded in the moving process of the limiting rod 303, so that the compression spring 305 is extruded, the limiting rod 303 is separated from the clamping state with the limiting groove 304, when the limiting rod 303 is separated from the clamping state between the limiting grooves 304, the insertion rod 302 is rotated, so that the insertion rod 302 integrally rotates, the pull handle 307 is pulled towards the outer side, so that the insertion rod 302 is separated from the locking state between the mounting plate 301 and the positioning rod 4, at the moment, the box cover 3 is pulled upwards, so that the mounting plate 301 slides along the inner side wall of the positioning rod 4, so that the box cover 3 and the mounting plate 301 are separated from the clamping state with the shielding box body 2, can separate between the work platen 1 and the shielding box body 2 this moment to make work platen 1 and shielding box body 2 be in active state, ensured the steadiness of device in operation process, guaranteed the convenience of device in operation process simultaneously.

An extrusion block 306 is glued at the corner of the inner wall of the limiting groove 304, and the other end of the extrusion block 306 is attached to the matched limiting rod 303; during operation, the inserting rod 302 penetrates through the mounting plate 301 and is inserted into the mounting groove 308, and the limiting rod 303 is inserted into the limiting groove 304 at the moment, so that the limiting rod 303 and the extrusion block 306 are attached to each other, and the stability of the device in the whole operation process is further improved.

A pull handle 307 is fixedly connected to the outer side of the limiting plate 105, anti-skid grains are arranged on the pull handle 307, and the pull handle 307 is made of rubber; during operation, after the handle 307 is pulled by hand, the insertion rod 302 penetrates through the mounting plate 301 and is inserted into the mounting groove 308, so that the convenience of the device in the use process is ensured, and the integral use effect of the device is ensured.

Example two

Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, a pull ring 113 is fixedly connected to an outer surface of the limiting plate 105, a plurality of groups of bumps 114 are uniformly distributed on an inner wall of the pull ring 113, and the bumps 114 are made of rubber; during operation, through holding and rotating after the pull ring 113, under the acting force, drive the pull ring 113 and carry out the pivoted while, drive threaded rod 103 and rotate, ensured the convenience of device in operation process, hand and pull ring 113 and lug 114 are laminated each other simultaneously, have increased the frictional force of hand, have further improved the result of use of device to prevent that the hand from taking place the phenomenon of skidding in operation process.

The theory of operation, pull handle 307 through holding and press to the inboard, because integral type structural design, under the effect of power, drive inserted bar 302 and move along mounting groove 308 to inside, because the effect at both ends about gag lever post 303 is installed at gag lever post 303 through the bearing, in gag lever post 303 removal in-process, extrude gag lever post 303, thereby extrude compression spring 305, make gag lever post 303 break away from with the block state between the spacing groove 304, when gag lever post 303 breaks away from the block state between the spacing groove 304, rotate inserted bar 302, thereby make inserted bar 302 wholly rotate, pull handle 307 to the outside again, thereby make inserted bar 302 break away from with mounting panel 301 and the locking state between the locating lever 4, upwards pull lid 3 at this moment, make mounting panel 301 slide along locating lever 4 inside wall, thereby make lid 3 and mounting panel 301 break away from and the block state between the shielding box body 2, by placing the object to be shielded between the two sets of positioning plates 205, when the size of the object is larger than the distance between the two sets of positioning plates 205, the first sliding rail 206 is extruded, due to the effect that the movable hinge rod 209 is mounted on the connecting plate 204 and the limiting slide block 207 through the bearing, when the two sets of positioning plates 205 move to the side far away from the other side, the movable hinge rod 209 is driven to expand, the buffer spring 208 is simultaneously stretched, and the stabilizing slide block 212 is simultaneously driven to slide in the second sliding rail 211, due to the integral structure design, the T-shaped rod 202 is driven to move while the stabilizing slide block 212 slides, the limiting spring 203 is extruded, when the product to be shielded is placed above the separation plate 210, the acting force disappears, so that the limiting spring 203 and the buffer spring 208 are elastically deformed and restored to fix the object, and the object is prevented from shaking in the box, when can guarantee to place stably, the protecting effect is better.

By rotating the limiting plate 105, under the action of force, the limiting plate 105 is driven to rotate, the threaded rod 103 is driven to rotate inside the nut ring 102 under the action of bearing installation, the sleeve block 104 is driven to move left and right on the threaded rod 103 under the action of thread installation, due to the integral structure design, in the process of moving the sleeve block 104, the connecting rod 106 and the stable cavity 107 are driven to move simultaneously, at the moment, the position of the signal shielding box can be moved, the convenience of the whole device in the moving process is ensured, the applicability of the device is improved, by pressing the connecting rod 106 inwards, due to the action of movable installation, in the process of moving the connecting rod 106, the fixing rod 108 is driven to move towards one end close to the positioning rod 4, the reset spring 109 is extruded, due to the action of bearing installation, in the process of moving the fixing rod 108, drive arc articulated rod 110 and remove to the one end of keeping away from locating lever 4 along firm cavity 107 inner wall, thereby make card pole 111 break away from and draw-in groove 112 between the locking state, because be fixed mounting between shielding box body 2 and the locating lever 4, can demolish its shielding box body 2 and locating lever 4 this moment, during the effort of stopping, make reset spring 109 take place elastic deformation reconversion, make card pole 111 reinsert establish to assorted draw-in groove 112 inside, the convenience of device in the dismouting in-process has been improved, the holistic result of use of device has been ensured, when card pole 111 is in and inserts and establishes the state, the steadiness of shielding box in the use has been ensured this moment.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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 utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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 shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. Signal shielding box, its characterized in that: comprises a worktable plate (1), a shielding box body (2) and a box cover (3); a shielding box body (2) is arranged above the working table plate (1), and a box cover (3) is arranged above the shielding box body (2);

the inner side wall of the shielding box body (2) is provided with a buffering assembly, the buffering assembly comprises a movable frame (201), a positioning plate (205) and a movable hinge rod (209), the two sides of the inner wall of the shielding box body (2) are fixedly connected with the movable frame (201), a T-shaped rod (202) is movably installed in the movable frame (201), and the other side of the T-shaped rod (202) is fixedly connected with a connecting plate (204); a limiting spring (203) is arranged between the movable frame (201) and the T-shaped rod (202), movable hinge rods (209) are mounted at the upper end and the lower end of the connecting plate (204) through bearings, and positioning plates (205) are arranged on the inner sides of the movable hinge rods (209); a first sliding rail (206) is arranged inside the positioning plate (205), the upper end and the lower end inside the first sliding rail (206) are both connected with a limiting sliding block (207) in a sliding manner, and the other side of the movable hinge rod (209) is arranged on the limiting sliding block (207) through a bearing; and a buffer spring (208) is arranged between the two groups of limiting sliding blocks (207).

2. The signal shielding cage of claim 1, wherein: about activity frame (201) inner wall all the rigid coupling in both ends has division board (210) about locating plate (205) inside wall, and division board (210) upper surface is provided with anti-skidding line.

3. The signal shielding cage of claim 2, wherein: the utility model discloses a T shape pole, including activity frame (201), both ends all sliding connection have second slide rail (211) about the inner wall of activity frame (201), sliding connection has stable slider (212) on second slide rail (211), and the other end rigid coupling of stabilizing slider (212) is on T shape pole (202).

4. The signal shielding cage of claim 3, wherein: a stabilizing assembly is arranged between the working table plate (1) and the shielding box body (2), the stabilizing assembly comprises a positioning rod (4), a stabilizing cavity (107) and a return spring (109), the positioning rod (4) is fixedly connected to the bottom end of the shielding box body (2), and the stabilizing cavity (107) is arranged on two sides of the positioning rod (4); a fixing rod (108) is arranged outside the stabilizing chamber (107), and the other side of the fixing rod (108) penetrates through the stabilizing chamber (107) and is provided with an arc-shaped hinge rod (110) in a bearing manner; a clamping rod (111) is mounted on the other side of the arc-shaped hinge rod (110) through a bearing, clamping grooves (112) are formed in the two sides of the positioning rod (4), and the clamping rod (111) penetrates through the stabilizing cavity (107) and is inserted into the matched clamping grooves (112); a return spring (109) is arranged between the stabilizing chamber (107) and the fixing rod (108).

5. The signal shielding cage of claim 4, wherein: an inner groove (101) is formed in the working table plate (1), a nut ring (102) is fixedly connected to the inner side wall of the inner groove (101), a threaded rod (103) is installed in the nut ring (102) in a threaded mode, and the other side of the threaded rod (103) is installed on the inner wall of the inner groove (101) through a bearing; threaded rod (103) outside rigid coupling has limiting plate (105), threaded rod (103) are gone up both sides and are all installed nest block (104) through the screw thread, nest block (104) top rigid coupling has connecting rod (106), and connecting rod (106) top rigid coupling has firm cavity (107).

6. The signal shielding cage of claim 5, wherein: lid (3) inner wall both sides all rigid coupling have mounting panel (301), mounting groove (308) have all been seted up to shielding box body (2) outer wall both sides, mounting panel (301) inside run through in mounting panel (301) insert and be equipped with inserted bar (302), spacing groove (304) have all been seted up at both ends about mounting panel (301) is inside, gag lever post (303) have all been installed through the bearing in inserted bar (302) upper and lower both ends, and all are provided with compression spring (305) between inserted bar (302) and gag lever post (303).

7. The signal shielding cage of claim 6, wherein: the corner of the inner wall of the limiting groove (304) is glued with an extrusion block (306), and the other end of the extrusion block (306) is attached to the matched limiting rod (303).

8. The signal shielding cage according to claim 7, wherein: the outer side of the limiting plate (105) is fixedly connected with a pull handle (307), anti-skid grains are arranged on the pull handle (307), and the pull handle (307) is made of rubber.