CN216292045U

CN216292045U - Quick detachable shield cover

Info

Publication number: CN216292045U
Application number: CN202123016407.8U
Authority: CN
Inventors: 严仕琛; 严建军
Original assignee: Wuhan Nobot Technology Co ltd
Current assignee: Wuhan Nobot Technology Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-04-12
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses an easily detachable shielding case which comprises a shielding case body and an installation frame, wherein the bottom of the installation frame is provided with an installation groove, and the shielding case body and the installation frame are detachably connected through an installation mechanism; installation mechanism includes a plurality of dead levers of fixed connection lateral wall under the shield cover body, and the other end of dead lever is provided with first chamfer, the lower extreme fixedly connected with connecting rod of dead lever, and the connecting block that the lower extreme fixedly connected with hemisphere of connecting rod set up, the lateral wall cover of connecting rod is equipped with the slider, the slider lower extreme is provided with the second chamfer, and the upper end of slider is provided with the third chamfer, the up end of connecting block is provided with the recess, and the recess matches with the second chamfer, a plurality of installation pieces of bottom fixedly connected with of installing frame. This kind of quick detachable shield cover can overhaul in the later stage and when changing, is convenient for dismantle and install the shield cover body, and it is more convenient to use, simultaneously, reduces cost of maintenance.

Description

Quick detachable shield cover

Technical Field

The utility model belongs to the technical field of shielding cases, and particularly relates to a shielding case easy to disassemble.

Background

A shield is a means for shielding electronic signals. The function is to shield the influence of external electromagnetic waves on internal circuits and the outward radiation of the internally generated electromagnetic waves.

When the existing shielding cover is installed, the shielding cover is very difficult to disassemble due to the fact that the shielding cover is welded on a main board, and therefore the shielding cover is very inconvenient to overhaul and replace in the later period.

The present invention has been made in view of this situation.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model adopts the technical scheme that:

an easily detachable shielding case comprises a shielding case body and an installation frame, wherein the bottom of the installation frame is provided with an installation groove, and the shielding case body and the installation frame are detachably connected through an installation mechanism;

the installation mechanism includes a plurality of dead levers of fixed connection lateral wall under the shield cover body, and the other end of dead lever is provided with first chamfer, the lower extreme fixedly connected with connecting rod of dead lever, and the connecting block that the lower extreme fixedly connected with hemisphere of connecting rod set up, the lateral wall cover of connecting rod is equipped with the slider, the slider lower extreme is provided with the second chamfer, and the upper end of slider is provided with the third chamfer, the up end of connecting block is provided with the recess, and the recess matches with the second chamfer, a plurality of installation pieces of bottom fixedly connected with of installing frame, and installation piece and dead lever one-to-one, the jack has been seted up to the upper end of installation piece, the lateral wall of jack is connected with the stopper through telescopic machanism, the stopper includes inclined plane and spacing face, and the connecting block slides on the inclined plane.

Telescopic machanism is including seting up the quad slit on the jack lateral wall, the stopper slides in the quad slit, and the stopper is fixed through the bottom of first spring with the quad slit.

The surface of the inclined plane is provided with a smooth film.

And the bottom of the jack is fixedly connected with a second spring.

And a sealing gasket is arranged on the side wall of the mounting frame matched with the shielding case body.

The inside wall of shield cover body is provided with the rubber pad, and the lateral wall of mounting groove is provided with the rubber pad.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the installation mechanism and the like are arranged, when the shield cover body needs to be installed, the connecting block is inserted into the jack, when the connecting block abuts against the inclined surface of the limiting block, the limiting block is extruded to slide inwards along the side wall of the square hole, meanwhile, the connecting block abuts against the second spring, so that the first spring and the second spring are stressed and compressed, when the connecting block crosses the inclined surface, the elastic force of the first spring extends out the limiting block, and under the action of the second spring, the upper end surface of the connecting block abuts against the limiting surface, so that the shield cover body is quickly installed, later-stage overhaul and replacement are facilitated, and the maintenance cost is reduced.

According to the utility model, by arranging the second spring and the like, when the shielding cover body needs to be disassembled, the shielding cover body only needs to be pressed downwards with force, so that the connecting block continues to slide downwards in the jack, meanwhile, the second spring continues to be compressed, when the inclined plane contacts with the second chamfer angle, the limiting block retracts into the square hole and gradually slides to a position between the third chamfer angle and the first chamfer angle, under the action of the spring force of the second spring, the connecting block is pushed to slide upwards quickly along the jack, the sliding block slides downwards along the connecting rod under the driving of the limiting block until the second chamfer angle contacts with the groove, so that the limiting block is separated from the side wall of the connecting block, and meanwhile, the shielding cover body is bounced upwards, so that the shielding cover body is taken out conveniently, the damage to electronic elements when the shielding cover body is taken out is avoided, and the maintenance cost is reduced.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

In the drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of another embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 2;

FIG. 5 is an enlarged view of the structure at B in FIG. 3;

fig. 6 is an enlarged schematic view of the structure at C in fig. 3.

In the figure: 1-a shield body; 2, a main board; 3, mounting a frame; 4-mounting grooves; 501-mounting blocks; 502-a receptacle; 503-fixing rods; 504-a slider; 505-a second chamfer; 506-third chamfer; 507-connecting blocks; 508-connecting rod; 509-groove; 510-a limiting block; 511-inclined plane; 512-a limiting surface; 513 — first chamfer; 601-square hole; 602-a first spring; 7-second spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention.

As shown in fig. 1 to 6, the easily detachable shield cover comprises a shield cover body 1 and an installation frame 3, wherein the bottom of the installation frame 3 is provided with an installation groove 4, and the shield cover body 1 and the installation frame 3 are detachably connected through an installation mechanism, so that the shield cover body 1 is detached and installed when later-stage maintenance and replacement are facilitated, the use is more convenient, and meanwhile, the maintenance cost is reduced;

the mounting mechanism comprises a plurality of fixing rods 503 fixedly connected to the lower side wall of the shield cover body 1, the other ends of the fixing rods 503 are provided with first chamfers 513, the lower ends of the fixing rods 503 are fixedly connected with connecting rods 508, the lower ends of the connecting rods 508 are fixedly connected with connecting blocks 507 arranged in a hemispherical manner, the side walls of the connecting rods 508 are sleeved with sliders 504, the lower ends of the sliders 504 are provided with second chamfers 505, the upper ends of the sliders 504 are provided with third chamfers 506, the upper end surfaces of the connecting blocks 507 are provided with grooves 509, the grooves 509 are matched with the second chamfers 505, the bottom of the mounting frame 3 is fixedly connected with a plurality of mounting blocks 501, the mounting blocks 501 correspond to the fixing rods 503 one by one to one, the upper ends of the mounting blocks 501 are provided with insertion holes 502, the side walls of the insertion holes 502 are connected with limiting blocks 510 through telescopic mechanisms, each limiting block 510 comprises an inclined surface 511 and a limiting surface 512, the connecting blocks 507 slide on the inclined surface 511, when the shield cover body 1 is required to be mounted, the connecting block 507 is inserted into the jack 502, when the connecting block 507 abuts against the inclined surface 511 of the limiting block 510, the limiting block 510 is pressed to slide inwards along the side wall of the square hole 601, and simultaneously, the connecting block 507 abuts against the second spring 7, so that the first spring 602 and the second spring 7 are compressed under stress, when the connecting block 507 crosses the inclined surface 511, the elastic force of the first spring 602 extends the limiting block 510, and under the action of the second spring 7, the upper end surface of the connecting block 507 abuts against the limiting surface 512, so that the shield cover body 1 is quickly mounted, later-stage maintenance and replacement are facilitated, maintenance cost is reduced, when the shield cover body 1 needs to be disassembled, only the shield cover body 1 needs to be pressed downwards with force, so that the connecting block 507 continues to slide downwards in the jack 502, and simultaneously, the second spring 7 continues to be compressed, when the inclined surface 511 contacts with the second chamfer 505, stopper 510 retracts into square hole 601, and slide gradually between third chamfer 506 and first chamfer 513, under the spring force effect of second spring 7, promote connecting block 507 and upwards slide fast along jack 502, slider 504 slides downwards along connecting rod 508 under the drive of stopper 510, until second chamfer 505 and recess 509 contact, thereby make stopper 510 deviate from the lateral wall of connecting block 507, and simultaneously, make shield cover body 1 upwards bounce, thereby be convenient for taking out of shield cover body 1, avoid causing the injury to electronic component when taking out shield cover body 1, reduce cost of maintenance.

Telescopic machanism is including seting up the quad slit 601 on the jack 502 lateral wall, and stopper 510 slides in quad slit 601, and stopper 510 is fixed through first spring 602 and quad slit 601's bottom, plays direction and the effect that resets to stopper 510's removal.

The surface of the inclined surface 511 is provided with a smooth film, so that the friction force of the connecting block 507 in the sliding process on the surface is reduced, and the movement is smoother.

The bottom fixedly connected with second spring 7 of jack 502, when the installation, under second spring 7's effect for the up end of connecting block 507 offsets with spacing face 512, when dismantling, under second spring 7's spring force effect, upwards bounces shield cover body 1, thereby is convenient for taking out of shield cover body 1.

The side wall of the mounting frame 3 matched with the shielding case body 1 is provided with a sealing gasket, so that the sealing performance is ensured.

The inside wall of shield cover body 1 is provided with the rubber pad, and the lateral wall of mounting groove 4 is provided with the rubber pad, avoids when installation and dismantlement, causes the damage to electronic component.

When the mounting frame 3 is used, firstly, the mounting frame 3 is fixed on the main board 2, when the shield cover body 1 needs to be mounted in later-stage maintenance and replacement, the connecting block 507 is inserted into the jack 502, when the connecting block 507 abuts against the inclined surface 511 of the limiting block 510, the limiting block 510 is extruded to enable the limiting block 510 to slide inwards along the side wall of the square hole 601, meanwhile, the connecting block 507 abuts against the second spring 7, so that the first spring 602 and the second spring 7 are stressed and compressed, when the connecting block 507 crosses the inclined surface 511, the elastic force of the first spring 602 extends out the limiting block 510, and under the action of the second spring 7, the upper end surface of the connecting block 507 abuts against the limiting surface 512, so that the shield cover body 1 is rapidly mounted, later-stage maintenance and replacement are facilitated, and maintenance cost is reduced;

when the shield cover body 1 needs to be disassembled, the shield cover body 1 is pressed downwards with force, so that the connecting block 507 slides downwards in the jack 502 continuously, meanwhile, the second spring 7 continues to be compressed, and when the inclined surface 511 contacts the second chamfer 505, the stopper 510 is retracted into the square hole 601, and gradually slides between the third chamfer 506 and the first chamfer 513, under the action of the spring force of the second spring 7, the connecting block 507 is pushed to slide upwards quickly along the insertion hole 502, the sliding block 504 is driven by the limit block 510 to slide downwards along the connecting rod 508 until the second chamfer 505 is contacted with the groove 509, so that the limit block 510 is disengaged from the side wall of the connection block 507, and at the same time, the shield case body 1 is sprung up, thereby be convenient for take out of shield cover body 1, avoid causing the injury to electronic component when taking out shield cover body 1, reduce cost of maintenance.

Claims

1. The easy-to-detach shielding case comprises a shielding case body (1) and an installation frame (3), and is characterized in that the bottom of the installation frame (3) is provided with an installation groove (4), and the shielding case body (1) and the installation frame (3) are detachably connected through an installation mechanism;

the mounting mechanism comprises a plurality of fixing rods (503) fixedly connected to the lower side wall of the shielding case body (1), the other ends of the fixing rods (503) are provided with first chamfers (513), the lower ends of the fixing rods (503) are fixedly connected with connecting rods (508), the lower ends of the connecting rods (508) are fixedly connected with connecting blocks (507) arranged in a hemispherical manner, the side walls of the connecting rods (508) are sleeved with sliders (504), the lower ends of the sliders (504) are provided with second chamfers (505), the upper ends of the sliders (504) are provided with third chamfers (506), the upper end surfaces of the connecting blocks (507) are provided with grooves (509), the grooves (509) are matched with the second chamfers (505), the bottom of the mounting frame (3) is fixedly connected with a plurality of mounting blocks (501), the mounting blocks (501) correspond to the fixing rods (503) one by one, the upper ends of the mounting blocks (501) are provided with jacks (502), the lateral wall of jack (502) is connected with stopper (510) through telescopic machanism, stopper (510) include inclined plane (511) and spacing face (512), and connecting block (507) slides on inclined plane (511).

2. The easy-to-detach shielding case according to claim 1, wherein the telescopic mechanism comprises a square hole (601) formed in a side wall of the insertion hole (502), the limiting block (510) slides in the square hole (601), and the limiting block (510) is fixed to the bottom of the square hole (601) through a first spring (602).

3. An easily detachable shielding case according to claim 1, wherein the surface of the inclined plane (511) is provided with a smooth film.

4. The removable shielding cage according to claim 1, wherein a second spring (7) is fixedly connected to the bottom of the insertion hole (502).

5. The easy-to-detach shielding case as claimed in claim 1, wherein the side wall of the mounting frame (3) which is matched with the shielding case body (1) is provided with a sealing gasket.

6. The easy-to-detach shielding case according to claim 1, wherein a rubber pad is arranged on the inner side wall of the shielding case body (1), and a rubber pad is arranged on the side wall of the mounting groove (4).