Anti-seismic shielding case

Abstract

The utility model relates to the technical field of shielding covers, and discloses an anti-seismic shielding cover which comprises a bottom plate, vibration isolation rubber supports are installed at the four corners of the top of the bottom plate, a shielding plate is fixedly connected among the tops of the four vibration isolation rubber supports, and a shielding cover body is detachably installed at the top of the shielding plate. The two sides of the opposite faces of the bottom plate and the shielding plate are each provided with an anti-seismic assembly. According to the anti-seismic shielding case, when the shielding case is vibrated, the four vibration isolation rubber supports absorb and eliminate the vibration sense firstly, the first anti-seismic effect is achieved, when the vibration sense is increased, in the shaking process of the shielding plate, the two movable ends of the anti-seismic assembly are pulled, and the anti-seismic assembly serves as the second anti-seismic effect; under dual anti-seismic measures, the influence of screen vibration on the shielding cover can be effectively reduced, and the shielding cover is prevented from losing efficacy due to vibration.

Description

Technical Field

[0001] The utility model relates to the technical field of shielding covers, in particular to an anti-vibration shielding cover. Background Art

[0002] The shielding cover is a tool used to shield electronic signals. Its function is to shield the influence of external electromagnetic waves on the internal circuit and the radiation of internal electromagnetic waves. In the process of using some equipment, in order to prevent the influence of external electromagnetic waves on it, it is necessary to install the equipment inside the shielding cover.

[0003] With regard to the existing related technologies, the inventors believe that the following defects often exist: the shielding cover is installed in different environments. It may be installed in a strong vibration environment, or the equipment installed inside the shielding cover may produce large vibrations, and the vibrations may cause the structure of the shielding cover to deform or the connectors of the shielding cover to loosen. It may also cause fatigue in the material of the shielding cover. Metal fatigue may cause material breakage or performance degradation, thereby causing the shielding effect of the shielding cover to fail.

[0004] To this end, we propose a shock-resistant shield. Utility Model Content

[0005] In view of the different installation environments of the above-mentioned existing shielding covers, they may be installed in a strong vibration environment, and the equipment installed inside the shielding cover may produce large vibrations, and the vibrations may cause the structural deformation of the shielding cover or the loosening of the connectors of the shielding cover, and may also cause fatigue of the material of the shielding cover. Metal fatigue may cause material breakage or performance degradation, thereby causing the shielding effect of the shielding cover to fail. The present utility model is proposed.

[0006] Therefore, the utility model aims to provide a shock-resistant shielding cover, the purpose of which is to make the shielding cover have a shock-resistant effect and to maintain its shielding performance in a vibration environment.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: an anti-seismic shielding cover, comprising a bottom plate, four corners of the top of the bottom plate are installed with vibration isolation rubber supports, a shielding plate is fixedly connected between the tops of the four vibration isolation rubber supports, and a shielding cover body is detachably installed on the top of the shielding plate, and a group of anti-seismic components are installed on both sides of the bottom plate and the shielding plate;

[0008] The earthquake-resistant component includes a horizontal bin, and an earthquake-resistant body 1 and an earthquake-resistant body 2 are respectively arranged on both sides of the horizontal bin, and both ends of the earthquake-resistant body 1 and the earthquake-resistant body 2 are located outside the horizontal bin, the fixed end of the earthquake-resistant body 1 is fixed to the top of the base plate, and the fixed end of the earthquake-resistant body 2 is fixed to the bottom of the shielding plate.

[0009] As a preferred solution of the seismic shielding cover described in the utility model, the seismic main body 2 is consistent in structure size with the seismic main body 1, the seismic main body 2 includes a translation plate that slides within the horizontal bin, a pull rod is welded to one side of the translation plate, a spring is sleeved on the outer wall of the pull rod and the end of the pull rod away from the translation plate is welded to a hinge block.

[0010] As a preferred solution of the earthquake-resistant shield cover described in the utility model, the hinge block is rotatably mounted with a rotating shaft through a bearing installed thereon, and both ends of the rotating shaft are rotatably connected to a rotating mounting frame through bearings.

[0011] As a preferred solution of the seismic shielding cover described in the utility model, the front and rear sides of the translation plate are provided with limiting grooves, the front and back sides of the inner wall of the horizontal warehouse are welded with limiting guide strips that are compatible with the limiting grooves, and the translation plate is limited to slide between the two limiting guide strips.

[0012] As a preferred solution of the seismic shielding cover described in the utility model, the number of the seismic components in a group on a single side is three, and the three seismic components in the same group are installed at equal intervals on the side opposite to the bottom plate and the vibration isolation rubber support.

[0013] As a preferred solution of the earthquake-resistant shielding cover described in the utility model, an annular groove is opened on the outward edge of the top of the shielding cover body, and the width of the annular groove is consistent with the wall thickness of the shielding cover body. At the same time, the depth of the annular groove is two centimeters.

[0014] As a preferred solution of the earthquake-resistant shielding cover described in the utility model, a group of threaded holes are opened on both sides of the shielding plate, and the shielding plate is threadedly installed with fixing bolts through the threaded holes. At the same time, slots compatible with the fixing bolts are opened on both sides of the shielding cover body.

[0015] As a preferred solution of the earthquake-resistant shielding cover of the utility model, the shielding plate and the outer wall surface of the shielding cover body are coated with conductive paint.

[0016] Beneficial effects of the utility model:

[0017] 1. The utility model has an annular groove on the shielding plate for limiting the position of the shielding cover. When installing the shielding cover, the shielding cover only needs to be placed into the annular groove, so that the card slot on the shielding cover and the threaded hole on the shielding plate can be self-aligned, which is convenient for assembling and disassembling the shielding cover. In addition, the shielding cover is equivalent to extending into the interior of the shielding plate, and the shielding cover and the shielding plate are in a staggered state, which is beneficial to improving the shielding effect.

[0018] 2. In the utility model, when the shielding cover is vibrated, the four vibration-isolating rubber supports will first absorb and eliminate the vibration, thus playing the first level of anti-vibration effect. When the vibration becomes larger, the two movable ends of the anti-vibration component will be pulled during the shaking of the shielding plate. The anti-vibration component serves as the second level of anti-vibration effect. Under the dual anti-vibration measures, the influence of the screen vibration on the shielding cover can be effectively reduced, thus preventing the shielding cover from failing due to vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0020] Figure 1 The utility model is a schematic diagram of the overall structure of a seismic shielding cover.

[0021] Figure 2 The utility model is a schematic structural diagram of a shielding plate of a seismic shielding cover.

[0022] Figure 3 The utility model is a schematic diagram of the planar structure of a bottom plate and a shielding plate of a seismic shielding cover.

[0023] Figure 4 The utility model is a schematic structural diagram of a seismic assembly of a seismic shielding cover.

[0024] Figure 5 The utility model is a schematic diagram of a cross-sectional structure of a seismic shielding cover.

[0025] Description of reference numerals:

[0026] 1. Bottom plate; 2. Vibration isolation rubber bearing; 3. Shielding plate; 31. Annular groove; 32. Fixing bolt; 4. Earthquake-resistant assembly; 41. Horizontal bin; 42. Earthquake-resistant body one; 43. Earthquake-resistant body two; 431. Translation plate; 432. Pull rod; 433. Spring; 434. Rotating mounting bracket; 435. Articulated block; 436. Rotating shaft; 437. Limiting groove; 5. Shielding cover. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0028] Example 1

[0029] Reference Figure 1-5, which is the first embodiment of the utility model, provides a seismic shielding cover, which includes a bottom plate 1, four corners of the top of the bottom plate 1 are installed with vibration isolation rubber supports 2, the tops of the four vibration isolation rubber supports 2 are fixedly connected with a shielding plate 3, the equipment and instruments to be shielded are installed on the top of the shielding plate 3, and the top of the shielding plate 3 is detachably installed with a shielding cover body 5, and a set of seismic components 4 are installed on both sides of the bottom plate 1 and the shielding plate 3;

[0030] The earthquake-resistant component 4 includes a transverse bin 41, and an earthquake-resistant main body 1 42 and an earthquake-resistant main body 2 43 are respectively arranged on both sides of the transverse bin 41, and both ends of the earthquake-resistant main body 1 42 and the earthquake-resistant main body 2 43 are located outside the transverse bin 41, the fixed end of the earthquake-resistant main body 1 42 is fixed to the top of the base plate 1, and the fixed end of the earthquake-resistant main body 2 43 is fixed to the bottom of the shielding plate 3, and the four vibration isolation rubber bearings 2 will first absorb and eliminate the vibration, and play the first level of earthquake-resistant effect. When the shielding plate 3 shakes, the two movable ends of the earthquake-resistant component 4 will be pulled, and the earthquake-resistant component 4 serves as the second level of earthquake-resistant effect.

[0031] The structure and size of the seismic-resistant main body 2 43 are consistent with those of the seismic-resistant main body 1 42. The seismic-resistant main body 2 43 includes a translation plate 431 that slides within the horizontal bin 41. A pull rod 432 is welded to one side of the translation plate 431, and sliding holes for the pull rod 432 to pass through are provided on both sides of the horizontal bin 41. A spring 433 is sleeved on the outer wall of the pull rod 432 and is located inside the horizontal bin 41. A hinge block 435 is welded to the end of the pull rod 432 away from the translation plate 431, and the hinge block 435 is rotatably installed at the bottom of the shielding plate 3.

[0032] The hinge block 435 is rotatably mounted with a rotating shaft 436 via a bearing mounted thereon, and both ends of the rotating shaft 436 are rotatably connected to a rotating mounting frame 434 via bearings, and the top end of the rotating mounting frame 434 is welded to the bottom of the shielding plate 3 .

[0033] The anti-seismic principle of the anti-seismic component 4 is as follows:

[0034] When vibrated, the hinge block 435 will stretch the pull rod 432, driving the translation plate 431 to move outward. The translation plate 431 will compress the spring 433 during the movement, and the elastic action of the spring 433 will absorb and eliminate the vibration potential energy.

[0035] Limiting grooves 437 are provided on the front and rear sides of the translation plate 431, and limiting guide bars matching the limiting grooves 437 are welded on the front and back sides of the inner wall of the horizontal bin 41, and the translation plate 431 slides between the two limiting guide bars to ensure that the translation plate 431 moves in a plane and linear manner inside the horizontal bin 41.

[0036] The number of the anti-seismic components 4 in one group on one side is three, and the three anti-seismic components 4 in the same group are installed at equal intervals on the side opposite to the bottom plate 1 and the vibration isolation rubber bearing 2 .

[0037] During use, when the shielding cover is vibrated, first, the four vibration-isolating rubber supports 2 will absorb and eliminate the vibration, playing the first level of earthquake-resistant effect. When the vibration becomes larger, the shielding plate 3 will shake greatly. During the shaking of the shielding plate 3, the two movable ends of the earthquake-resistant component 4 will be pulled, and the earthquake-resistant component 4 serves as the second level of earthquake-resistant effect.

[0038] Example 2

[0039] Reference Figure 1-5 , which is the second embodiment of the utility model, and this embodiment is different from the first embodiment in that:

[0040] An annular groove 31 is provided on the outward edge of the top of the shielding cover body 5, and the width of the annular groove 31 is consistent with the wall thickness of the shielding cover body 5. At the same time, the depth of the annular groove 31 is two centimeters. An annular groove 31 for limiting the shielding cover body 5 is provided on the shielding plate 3. When installing the shielding cover body 5, it is only necessary to put the shielding cover body 5 into the annular groove 31, so that the card slot on the shielding cover body 5 and the threaded hole on the shielding plate 3 can be self-aligned, which is convenient for assembling and disassembling the shielding cover body 5. In addition, the shielding cover body 5 is equivalent to extending into the interior of the shielding plate 3, and the shielding cover body 5 and the shielding plate 3 are in a staggered state, which is beneficial to improving the shielding effect.

[0041] A group of threaded holes are provided on both sides of the shielding plate 3 , and fixing bolts 32 are threadedly mounted on the shielding plate 3 through the threaded holes. Meanwhile, slots matching the fixing bolts 32 are provided on both sides of the shielding cover 5 .

[0042] The outer wall surfaces of the shielding plate 3 and the shielding cover 5 are coated with conductive paint, and the conductive paint can form a thin film on the surface, which has a good shielding effect.

[0043] During use, the bottom end of the shielding cover 5 is placed into the annular groove 31 , and then the fixing bolt 32 is passed through the threaded hole on the shielding plate 3 and enters the slot of the shielding cover 5 , and then the shielding cover 5 is detachably installed on the top of the shielding plate 3 .

[0044] The remaining structures are the same as those of Example 1.

[0045] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A seismic shield, comprising a bottom plate (1), characterized in that: Vibration-isolating rubber supports (2) are installed at the four corners of the top of the base plate (1), a shielding plate (3) is fixedly connected between the tops of the four vibration-isolating rubber supports (2), and a shielding cover (5) is detachably installed on the top of the shielding plate (3), and a group of anti-vibration components (4) are installed on both sides of the opposite surface of the base plate (1) and the shielding plate (3); The anti-seismic component (4) includes a transverse bin (41), and an anti-seismic main body 1 (42) and an anti-seismic main body 2 (43) are respectively arranged on both sides of the transverse bin (41), and both ends of the anti-seismic main body 1 (42) and the anti-seismic main body 2 (43) are located outside the transverse bin (41), and the fixed end of the anti-seismic main body 1 (42) is fixed to the top of the base plate (1), and the fixed end of the anti-seismic main body 2 (43) is fixed to the bottom of the shielding plate (3).

2. The anti-vibration shield according to claim 1, characterized in that: The structure and size of the seismic-resistant main body 2 (43) are consistent with those of the seismic-resistant main body 1 (42). The seismic-resistant main body 2 (43) includes a translation plate (431) that is limitedly slidable inside the horizontal bin (41). A pull rod (432) is welded to one side of the translation plate (431). A spring (433) is sleeved on the outer wall of the pull rod (432) and is located inside the horizontal bin (41). A hinge block (435) is welded to the end of the pull rod (432) away from the translation plate (431).

3. The anti-vibration shield according to claim 2, characterized in that: The hinge block (435) is rotatably mounted with a rotating shaft (436) via a bearing mounted thereon, and both ends of the rotating shaft (436) are rotatably connected to a rotating mounting frame (434) via bearings.

4. The anti-vibration shield according to claim 3, characterized in that: The front and rear sides of the translation plate (431) are both provided with limiting grooves (437), the front and rear sides of the inner wall of the transverse bin (41) are both welded with limiting guide bars that match the limiting grooves (437), and the translation plate (431) is limitedly slid between the two limiting guide bars.

5. The anti-vibration shield according to claim 4, characterized in that: The number of the anti-seismic components (4) in a group on a single side is three, and the three anti-seismic components (4) in the same group are installed at equal intervals on the side opposite to the bottom plate (1) and the vibration isolation rubber support (2).

6. The anti-vibration shield according to claim 5, characterized in that: An annular groove (31) is provided on the outward edge of the top of the shielding cover (5), and the width of the annular groove (31) is consistent with the wall thickness of the shielding cover (5). At the same time, the depth of the annular groove (31) is two centimeters.

7. The anti-vibration shield according to claim 6, characterized in that: A group of threaded holes are provided on both sides of the shielding plate (3), and fixing bolts (32) are threadedly installed on the shielding plate (3) through the threaded holes. Meanwhile, slots matching the fixing bolts (32) are provided on both sides of the shielding cover (5).

8. The anti-vibration shield according to claim 7, characterized in that: The outer wall surfaces of the shielding plate (3) and the shielding cover (5) are both coated with conductive paint.

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