CN215500328U

CN215500328U - Shielding case

Info

Publication number: CN215500328U
Application number: CN202122093258.9U
Authority: CN
Inventors: 何三保
Original assignee: Dongguan Xinweikanglian Electronics Co ltd
Current assignee: Dongguan Xinweikanglian Electronics Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-01-11
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a shielding case, and relates to the technical field of electromagnetic shielding. The heat-dissipation shield comprises a shield shell, a shield cover and a support plate, wherein a first through hole is formed in the edge of the upper surface of the shield shell in a penetrating mode, the shield cover is inserted into the upper side of the shield shell in a splicing mode, a positioning insertion tube is fixedly welded to the edge of the bottom end of the shield cover in a welding mode, the support plate is clamped at the upper end of the shield cover in a penetrating mode, and a heat dissipation plate is fixedly welded to the bottom end of the support plate in a penetrating mode. The utility model solves the problems that the thickness of the existing shielding cover is thicker after punching, a punch is easy to break when punching is carried out, the production cost is increased, the shielding cover is difficult to accurately position at the upper side of the shielding frame in the mounting process of the shielding cover, the shielding effect is possibly reduced, and in the using process of electronic equipment, because the inner side of the shielding cover is closed, heat is difficult to rapidly dissipate heat, and electronic elements are damaged due to overheating.

Description

Shielding case

Technical Field

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

Background

The shielding cover, it is a tool used for shielding electronic signal, its function is to shield the influence of the external electromagnetic wave to the internal circuit and the electromagnetic wave produced inside to radiate outward, the shielding cover is mainly used in the fields of mobile phone, GPS, etc., it is to prevent electromagnetic interference (EMI), play a role in shielding the component and LCM on the PCB board, the material of the shielding cover generally adopts stainless steel and copper albedo with 0.2mm thickness as the material, the shielding cover mainly comprises shielding frame and shielding lid, the shielding frame and shielding lid are the swing joint, in the course that the shielding cover is installed in the inboard of electronic equipment, usually weld the shielding frame to the inboard of PCB board, and install the shielding lid in the upside of shielding frame and make the electronic component in the inboard of shielding cover in the relatively closed state, in order to achieve the effect of shielding electromagnetic wave, but it still has the following drawbacks in the actual use:

1. in the production process of the existing shielding cover, the thickness of the shielding cover after stamping is generally 0.2mm, the thickness of the shielding cover is thick, so that a punch is easy to break when punching is carried out, the production cost is increased, the shielding cover of the shielding cover is difficult to be quickly positioned on the upper side of a shielding frame, and the shielding effect is possibly reduced due to inaccurate positioning;

2. the existing shielding cover is relatively closed at the inner side for ensuring the shielding effect, but the using area of the shielding cover in a PCB is generally large, the electronic element at the inner side of the shielding cover is difficult to radiate due to the large closing area, and the shielding cover is easy to damage due to overheating after being used for a long time, so that the maintenance cost is increased and the unrepension is avoided.

Therefore, the existing shielding can cannot meet the requirement in practical use, so that there is a strong need in the market for improved technology to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a shielding case, which solves the problems that the thickness of the existing shielding case is thicker after punching, a punch is easy to break when punching is carried out, the production cost is increased, the shielding case is difficult to accurately position at the upper side of a shielding frame in the installation process of the shielding case, the shielding effect is possibly reduced, and in the use process of electronic equipment, because the inner side of the shielding case is closed, heat is difficult to quickly dissipate heat, and electronic elements are damaged due to overheating.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a shielding case, which comprises a shielding case, a shielding cover and a supporting plate, wherein a first through hole is formed in the edge of the upper surface of the shielding case in a penetrating manner, the position of the shielding cover can be positioned through the first through hole, the reduction of shielding efficiency caused by inaccurate positioning is avoided, the shielding case is spliced with the shielding cover on the upper side, a positioning insertion pipe is fixedly welded on the edge of the bottom end of the shielding cover, the shielding cover can be quickly positioned through the positioning insertion pipe which is quickly spliced on the inner side of the first through hole, the installation difficulty is reduced, the shielding efficiency is improved, the thicknesses of the shielding case and the shielding cover are both 0.15mm, the problem that a punch is easily broken in the punching and punching processes due to the thicker shielding case is solved, the cost is reduced, the production efficiency is improved, the supporting plate is clamped at the upper end of the shielding cover in a penetrating manner, a heat dissipation plate is fixedly welded at the bottom end of the supporting plate, and the supporting plate is clamped on the upper side of the shielding case, so that the stability of the structure of the shielding case can be further improved, the utility model can avoid the damage of the utility model and the inner side electronic element caused by shaking, and position the position between the shielding cover and the shielding shell again, thus avoiding the occurrence of dislocation, increasing the mechanical strength of the upper end of the utility model through the supporting plate and the heat radiation plate, protecting the upper end of the electronic element, avoiding the easy damage of the inner side electronic element when being impacted, greatly increasing the heat radiation area of the utility model through the heat radiation plate, avoiding the damage of the electronic element caused by overheating, and prolonging the service life of the electronic device.

Further, the mounting groove has been run through to the shield shell upper surface, first through-hole is located mounting groove outside border, the draw-in groove has been seted up at shield shell upper surface both ends, the draw-in groove is located the mounting groove both sides, and shield shell thickness is 0.15mm, and the problem of easily broken punch in the stamping process can be improved to thickness thinner, reduction in production cost improves production efficiency, can make shield shell fast positioning in PCB board upside through first through-hole, can make the shield cover peg graft and position in the shield shell upside simultaneously, and the location is accurate, avoids leading to the decline of shielding efficiency because of the dislocation between shield shell and the shield cover.

Furthermore, a shielding groove is welded and fixed at the upper end of the shielding cover, a second through hole penetrates through the edge of the upper side of the shielding cover, the second through hole is communicated with the inner side of the positioning insertion tube in a penetrating manner, fixing ports penetrate through the two ends of the upper side of the shielding cover, the thickness of the shielding cover is 0.15mm, the problem that a punch is easy to break in the punching process can be solved, the production cost is reduced, a large electronic element can be shielded and wrapped through the raised shielding groove, the shielding cover can be quickly inserted and positioned on the upper side of the shielding shell through the positioning insertion tube, and the mounting efficiency of the utility model on the inner side of electronic equipment is improved.

Furthermore, the shielding groove of the shielding cover is attached to the upper side of the mounting groove of the shielding shell, the shielding cover is inserted into the first through hole of the shielding shell through the positioning insertion pipe, the fixing port of the shielding cover is attached to the upper side of the clamping groove of the shielding shell, the shielding cover and the shielding shell can be screwed into the inner sides of the first through hole and the second through hole through bolts to be fixed on the upper side of the PCB, the installation is simple, the time required by welding can be saved, the installation efficiency is improved, and the disassembly in the maintenance process is facilitated.

Furthermore, the two ends of the bottom side of the supporting plate are fixedly welded with the supporting frames, the supporting frames are positioned on the two sides of the heat dissipation plate, the clamping rods are fixedly welded on the bottom side of the supporting frames, the heat dissipation area of the heat dissipation plate can be greatly increased, the electronic element on the inner side of the heat dissipation plate can be dissipated, the electronic device is prevented from being damaged due to overheating caused by the fact that the electronic element cannot dissipate heat quickly due to the fact that the electronic element is in a relatively closed environment in the working process of the electronic device, and the service life of the electronic device is prolonged.

Furthermore, the support plate penetrates through and is inserted into the inner side of the fixing port of the shielding cover through the clamping rod, the clamping rod is clamped in the inner side of the clamping groove of the shielding shell, the heat dissipation plate is attached to the upper side of the shielding groove of the shielding cover, the support strength of the upper side of the electronic element can be greatly increased through the support plate and the heat dissipation plate, when the electronic element is impacted, the electronic element can be prevented from being damaged, the service life of the electronic element is prolonged, the position of the shielding cover on the upper side of the shielding shell can be positioned again through clamping the clamping rod in the inner sides of the shielding cover and the shielding shell, the positioning accuracy is further improved, and the shielding efficiency is guaranteed.

The utility model has the following beneficial effects:

1. the utility model solves the problems that the thickness of the prior shielding cover after stamping is generally 0.2mm, the thickness of the shielding cover is thicker, the punch is easy to break when punching, the production cost is increased, the shielding cover of the shielding cover is difficult to be quickly positioned at the upper side of the shielding frame and the shielding effect is reduced possibly due to inaccurate positioning, the thickness of the shielding shell and the shielding cover is 0.15mm, the problem that the punch is easy to break in the stamping process can be improved due to thinner thickness, the production cost is reduced, the production efficiency is improved, the shielding cover can be quickly positioned at the upper side of the shielding shell through the positioning insertion pipe of the shielding cover, the reduction of the shielding efficiency caused by inaccurate positioning is avoided, the shielding cover and the shielding shell are positioned by clamping and connecting the insertion rod of the supporting plate, and the structures of the utility model can be positioned again, the positioning efficiency is greatly improved, the installation is simple and convenient, and the labor intensity of workers is reduced.

2. The utility model solves the problems that the inner side of the traditional shielding cover is closed to ensure the shielding effect, but the using area of the shielding cover in a PCB is generally large, the electronic elements at the inner side of the shielding cover are difficult to radiate, and the shielding cover is easy to damage due to overheating after being used for a long time, the maintenance cost is increased, and the heat radiation area of the utility model can be greatly increased through the heat radiation plate. The electronic elements in the utility model are prevented from being in a relatively closed environment for a long time, and the damage caused by the incapability of quickly radiating heat is avoided, so that the service life of the electronic equipment is prolonged, meanwhile, the support strength on the utility model can be increased through the support plate and the radiating plate, and the damage of the electronic elements at the inner side caused by the deformation of the upper side when the electronic equipment is impacted is avoided.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

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

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

FIG. 2 is a structural effect diagram of the present invention;

FIG. 3 is a block diagram of the shield enclosure of the present invention;

FIG. 4 is a block diagram of the shield cover of the present invention;

fig. 5 is a structural view of the support plate of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a shielding housing; 101. a first through hole; 102. mounting grooves; 103. a card slot; 2. a shield cover; 201. a shielding groove; 202. a second through hole; 203. positioning the cannula; 204. a fixed port; 3. a support plate; 301. a heat dissipation plate; 302. a support frame; 303. and (5) clamping the rod.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-5, the present invention is a shielding case, including a shielding housing 1, a shielding cover 2 and a supporting plate 3, wherein a first through hole 101 is formed through an upper surface edge of the shielding housing 1, the shielding housing 1 can be positioned on a PCB through the first through hole 101, and the shielding cover 2 and the shielding housing 1 can be positioned at a same time, so as to avoid a reduction in shielding efficiency due to inaccurate positioning, the shielding cover 2 is inserted into an upper side of the shielding housing 1, a positioning insertion tube 203 is fixed to a bottom end edge of the shielding cover 2 by welding, the shielding cover 2 can be quickly positioned by inserting the positioning insertion tube 203 into an inner side of the first through hole 101, so as to reduce installation difficulty, the material thickness of the shielding housing 1 and the shielding cover 2 is 0.15mm, improve a problem that a punch is easily broken during a punching process due to a thicker shielding case, reduce cost, the supporting plate 3 is inserted and clamped through an upper end of the shielding cover 2, the bottom end of the supporting plate 3 is fixedly welded with the heat dissipation plate 301, the supporting plate 3 is clamped on the upper side of the electronic component protection device, the structural stability of the electronic component protection device can be further improved, the electronic component protection device and the electronic component protection device can be prevented from being damaged due to shaking, the position between the shielding cover 2 and the shielding shell 1 can be positioned again, dislocation is avoided, the mechanical strength of the upper end of the electronic component protection device can be improved through the supporting plate 3 and the heat dissipation plate 301, the upper end of the electronic component is protected, the internal electronic component is prevented from being damaged due to deformation of the electronic component protection device when the inner side of the electronic component protection device is impacted, the heat dissipation area of the electronic component protection device can be greatly increased through the heat dissipation plate 301, and the electronic component is prevented from being damaged due to overheating.

As shown in fig. 2-4, an installation groove 102 is formed through the upper surface of the shielding housing 1, a first through hole 101 is located at the edge of the outer side of the installation groove 102, two ends of the upper surface of the shielding housing 1 are provided with clamping grooves 103, the clamping grooves 103 are located at two sides of the installation groove 102, a shielding groove 201 is welded and fixed at the upper end of the shielding cover 2, a second through hole 202 is formed through the edge of the upper side of the shielding cover 2, the second through hole 202 is communicated with the inner side of a positioning insertion tube 203, two ends of the upper side of the shielding cover 2 are provided with fixing ports 204, the shielding groove 201 of the shielding cover 2 is attached to the upper side of the installation groove 102 of the shielding housing 1, the shielding cover 2 is inserted into the inner side of the first through hole 101 of the shielding housing 1 through the positioning insertion tube 203, the fixing ports 204 of the shielding cover 2 are attached to the upper side of the clamping groove 103 of the shielding housing 1, the thickness of the shielding housing 1 and the shielding cover 2 is 0.15mm, and the thinner thickness can improve the problem of the easy-breaking punch in the stamping process, reduction in production cost, can make shield shell 1 fix a position the PCB board upside fast through first through-hole 101, it is inboard to peg graft through the location intubate 203 of shield cover 2 and fix a position first through-hole 101 simultaneously, can make and carry out accurate location between shield cover 2 and the shield shell 1, avoid leading to the decline of shielding efficiency because the dislocation between shield shell 1 and the shield cover 2, can shield the parcel to great electronic component through bellied shielding groove 201, shield cover 2 and shield shell 1 can connect soon in first through-hole 101 and second through-hole 202 inboard and be fixed in the PCB board upside through the bolt, can save the required time of welding, and be convenient for the dismantlement in maintenance process.

As shown in fig. 1, 2 and 5, the two ends of the bottom side of the supporting plate 3 are welded and fixed with the supporting frames 302, the supporting frames 302 are located at the two sides of the heat dissipating plate 301, the bottom side of the supporting frame 302 is welded and fixed with the clamping rods 303, the supporting plate 3 is inserted into the inner side of the fixing port 204 of the shielding cover 2 through the clamping rods 303, the clamping rods 303 are clamped into the inner side of the clamping slots 103 of the shielding shell 1, the heat dissipating plate 301 is attached to the upper side of the shielding slots 201 of the shielding cover 2, the clamping rods 303 are inserted into the inner side of the fixing port 204 of the shielding cover 2 and clamped into the inner side of the clamping slots 103 of the shielding shell 1, the position of the shielding cover 2 on the upper side of the shielding shell 1 can be positioned again, the positioning accuracy is further improved, the shielding efficiency of the utility model is ensured, the structural stability of the utility model is improved, the heat dissipating area of the utility model can be greatly increased through the heat dissipating plate 301 attached to the upper side of the shielding slots 201, and the electronic elements inside of the utility model are dissipated heat, the electronic device has the advantages that the overheating damage caused by the fact that electronic elements cannot be rapidly radiated due to the fact that the electronic elements are in a relatively closed environment in the working process of the electronic device is avoided, the supporting strength of the upper side of the electronic elements can be greatly improved through the supporting plate 3 and the radiating plate 301, when the electronic device is impacted, the probability of breakage and deformation of the electronic device can be reduced, and the electronic elements inside the electronic device are prevented from being damaged.

One specific application of this embodiment is: the electronic element is welded and fixed on the upper side of the PCB, the shielding shell 1 is inserted outside the electronic element, the electronic element is arranged inside the mounting groove 102, the first through hole 101 and the mounting hole on the PCB are positioned, the positioning insertion tube 203 of the shielding cover 2 is inserted inside the first through hole 101 of the shielding shell 1 for rapid positioning, the mounting efficiency is high, the labor intensity of workers is reduced, the raised shielding groove 201 covers the outer side of the electronic element, the electronic element is electromagnetically shielded through the shielding cover 2 and the shielding shell 1, the thickness of the shielding cover 2 and the shielding shell 1 is 0.15mm, the problem of easily broken punch in the punching process can be solved due to the thinner thickness, the production cost is reduced, the production efficiency is improved, the clamping rod 303 is clamped inside the fixing port 204 and the clamping groove 103 for positioning between the shielding cover 2 and the shielding shell 1 again, the positioning accuracy is ensured, and the poor electromagnetic shielding effect caused by slight dislocation is avoided, the stability of the structure of the utility model is improved, the utility model can be stably fixed on the upper side of the PCB by screwing the bolts on the inner sides of the first through hole 101 and the second through hole 202, the damage of electronic elements caused by shaking and friction between the electronic elements in the process of using the electronic equipment due to unstable installation is avoided, the heat dissipation plate 301 is attached on the upper side of the shielding groove 201, the heat dissipation area of the utility model can be greatly increased, the heat dissipation of the electronic elements on the inner side of the utility model is carried out, the overheating damage caused by the incapability of rapid heat dissipation due to the electronic elements in a relatively closed environment in the working process of the electronic equipment is avoided, the support strength on the upper side of the electronic elements can be greatly increased by the support plate 3 and the heat dissipation plate 301, the utility model can be prevented from being damaged and deformed when the utility model is impacted, the damage of the electronic elements in the electronic equipment is avoided, and the service life of the electronic elements is prolonged, when electronic component needs the maintenance, can will through revolving soon the bolt with the utility model discloses thin take off, the dismouting is convenient.

The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made to the technical solutions described in the above embodiments, and to some of the technical features thereof, are included in the scope of the present invention.

Claims

1. A shield case, includes shielding shell (1), shielding lid (2) and backup pad (3), its characterized in that: the shielding shell (1) upper surface border runs through and has been seted up first through-hole (101), shielding shell (1) upside is pegged graft and is had shielding lid (2), shielding lid (2) bottom border welded fastening has location intubate (203), the joint is run through to shielding lid (2) upper end has backup pad (3), backup pad (3) bottom welded fastening has heating panel (301).

2. The shielding case according to claim 1, wherein a mounting groove (102) is formed through an upper surface of the shielding shell (1), the first through hole (101) is located at an outer side edge of the mounting groove (102), clamping grooves (103) are formed at two ends of the upper surface of the shielding shell (1), and the clamping grooves (103) are located at two sides of the mounting groove (102).

3. The shielding case according to claim 1, wherein a shielding groove (201) is welded and fixed to the upper end of the shielding cover (2), a second through hole (202) is formed in the edge of the upper side of the shielding cover (2) in a penetrating manner, the second through hole (202) is communicated with the inner side of the positioning insertion tube (203) in a penetrating manner, and fixing ports (204) are formed in two ends of the upper side of the shielding cover (2) in a penetrating manner.

4. The shielding case according to claim 1, wherein the shielding groove (201) of the shielding cover (2) is attached to the upper side of the mounting groove (102) of the shielding shell (1), the shielding cover (2) is inserted into the first through hole (101) of the shielding shell (1) through the positioning insertion tube (203), and the fixing port (204) of the shielding cover (2) is attached to the upper side of the clamping groove (103) of the shielding shell (1).

5. The shielding case of claim 1, wherein the supporting plate (3) is welded and fixed with supporting frames (302) at both ends of the bottom side, the supporting frames (302) are located at both sides of the heat dissipation plate (301), and the clamping rods (303) are welded and fixed at the bottom side of the supporting frames (302).

6. The shielding case of claim 1, wherein the supporting plate (3) is inserted into the inner side of the fixing opening (204) of the shielding cover (2) through a clamping rod (303), the clamping rod (303) is clamped into the inner side of the clamping groove (103) of the shielding shell (1), and the heat dissipation plate (301) is attached to the upper side of the shielding groove (201) of the shielding cover (2).