CN219514525U

CN219514525U - Novel shield cover with good shielding performance

Info

Publication number: CN219514525U
Application number: CN202223159149.3U
Authority: CN
Inventors: 何有钿; 何爱航
Original assignee: Yangzhou Hangshun Electric Co ltd
Current assignee: Yangzhou Hangshun Electric Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-08-11
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a novel shielding cover with good shielding performance, which comprises a lower shielding cover body and an upper shielding cover body, wherein the upper shielding cover body is sleeved outside the upper end of the lower shielding cover body in a fitting way, and a heat dissipation mechanism is arranged below the lower shielding cover body and above the upper shielding cover body; further comprises: the driving positioning frame is sleeved outside the upper end of the guide post, the guide post is fixedly arranged outside the lower end of the lower shielding cover body, and a fixing plate is fixedly arranged outside the left side of the driving positioning frame; the connecting blocks are symmetrically and slidably arranged on the side parts of the upper shielding cover body, and one end, close to the lower shielding cover body, of each connecting block is located in the connecting groove. This novel shield cover that shielding performance is good is through the removal of drive locating frame for symmetrical distribution's joint piece can move about simultaneously, realizes quick connect, enlarges laminating area reinforcing shielding performance, is favorable to inside to dispel the heat simultaneously, guarantees normal use.

Description

Novel shield cover with good shielding performance

Technical Field

The utility model relates to the technical field of shielding cases, in particular to a novel shielding case with good shielding performance.

Background

The shielding case has the function of preventing electromagnetic interference, plays a shielding role on elements on the PCB and LCM, and is mainly applied to the fields of mobile phones, GPS and the like at present.

In the prior art, for example, the shielding cover with the authorized publication number of CN215774100U is convenient to install, through the arrangement of the sliding groove and the T-shaped sliding strip, the upper shielding cover can be positioned quickly, enter the lower shielding cover and can be limited, the phenomenon that the upper shielding cover falls off is avoided, and through the arrangement of the poking elastic buckle and the fixing groove, the upper shielding cover and the lower shielding cover can be installed and fixed quickly;

in the specific use process of the shielding cover, the elastic buckle is stirred to drive the lug to extend into the fixing groove, however, in the actual use process, a gap is easily formed between the protective shell and the connecting plate in the mode, the connection stability is poor, the traditional shielding cover is sleeved outside the electronic component, the electronic component emits heat in the working process, and if the heat is not treated timely, the normal use of the electronic component inside the shielding cover is affected.

Therefore, we propose a novel shield with good shielding performance so as to solve the problems set forth above.

Disclosure of Invention

The utility model aims to provide a novel shielding cover with good shielding performance, so as to solve the problems that the existing shielding cover in the market is inconvenient to stably connect and inconvenient to radiate heat.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the novel shielding cover with good shielding performance comprises a lower shielding cover body and an upper shielding cover body, wherein the upper shielding cover body is arranged on the outer side of the upper end of the lower shielding cover body in a fitting manner, and a heat dissipation mechanism is arranged below the lower shielding cover body and above the upper shielding cover body;

further comprises:

the driving positioning frame is sleeved outside the upper end of the guide post, the guide post is fixedly arranged outside the lower end of the lower shielding cover body, and a fixing plate is fixedly arranged outside the left side of the driving positioning frame;

the connecting block is symmetrically and slidably arranged on the side part of the upper shielding cover body, one end of the connecting block, which is close to the lower shielding cover body, is positioned in the connecting groove, and the connecting groove is formed in the side edge of the lower shielding cover body.

Preferably, the inner wall of the upper end of the driving positioning frame is arranged in an arc shape, the inner wall of the driving positioning frame is mutually attached to the end part of the connecting block, and the driving positioning frame and the guide post form an up-down attaching sliding structure, so that after the driving positioning frame moves, the connecting block can be driven to move by using the attaching effect between the driving positioning frame and the connecting block.

Preferably, the internal thread of fixed plate is connected with the threaded rod, and the threaded rod bearing install in the left side outside of lower shield cover body for after rotating the threaded rod, can drive the drive locating frame through the fixed plate and reciprocate.

Preferably, the inside slip of linking piece is provided with the stopper, and stopper fixed mounting in the inner wall of last shield cover body, and be connected with compression spring between stopper and the last shield cover body, make under the effect of stopper, linking piece can steadily remove in the inside of last shield cover body.

Preferably, the lower part of one side of the connecting block, which is close to the driving positioning frame, is in an inclined shape, and the connecting block and the connecting groove form a concave-convex matching structure, so that after the connecting block and the connecting groove form concave-convex matching, the upper shielding cover body and the lower shielding cover body can be quickly connected.

Preferably, the heat dissipation mechanism comprises a heat conduction plate and heat dissipation fins, the heat dissipation fins are uniformly arranged on the side parts of the heat conduction plate, and the end parts of the heat dissipation fins are positioned on the outer side of a space formed by the lower shielding cover body and the upper shielding cover body, so that the heat can be dissipated rapidly inside under the action of the heat conduction plate and the heat dissipation fins.

Preferably, a rubber pad is fixedly arranged at the upper end of the lower shielding cover body, and the rubber pad is attached to the inner wall of the upper shielding cover body, so that the sealing performance can be improved.

Compared with the prior art, the utility model has the beneficial effects that: this novel shield cover that shielding performance is good is through the removal of drive locating frame for symmetrical distribution's joint piece can move about simultaneously, realizes quick connection, enlarges the laminating area reinforcing shielding performance of lower shield cover body and last shield cover body, is favorable to inside to dispel the heat simultaneously, guarantees normal use, and its concrete effect is as follows:

1. the driving positioning frame and the connecting block are arranged, so that after the upper shielding cover body is sleeved outside the upper end of the lower shielding cover body, the contact area between the lower shielding cover body and the upper shielding cover body is enlarged, the sealing performance is improved by utilizing a rubber pad, the shielding performance is enhanced, then the threaded rod is rotated, the driving positioning frame is driven to move upwards by utilizing the threaded connection between the threaded rod and the guide post and the attaching action of the driving positioning frame and the guide post, and the driving positioning frame drives the symmetrically distributed connecting blocks to move simultaneously by utilizing the attaching action between the driving positioning frame and the connecting block and form concave-convex fit with the connecting groove, so that the lower shielding cover body and the upper shielding cover body are quickly and stably installed;

2. the heat conducting plate and the heat radiating fins are arranged, so that after the electronic component is placed in the space formed by the lower shielding cover body and the upper shielding cover body, heat emitted by the electronic component is transferred to the heat conducting plate, the heat conducting plate is transferred to the heat radiating fins which are uniformly distributed, the end parts of the heat radiating fins are positioned on the outer sides of the space formed by the lower shielding cover body and the upper shielding cover body, and then the quick heat exchange work can be realized, heat dissipation is realized, and the normal work of the internal electronic component is ensured.

Drawings

FIG. 1 is a schematic diagram of the overall front cross-section structure of the present utility model;

FIG. 2 is a schematic illustration of the front cross-sectional structure of the threaded rod of the present utility model;

FIG. 3 is a schematic side view of a splice block of the present utility model;

FIG. 4 is a schematic view of a driving positioning frame in a top-down view;

fig. 5 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

In the figure: 1. a lower shield case; 2. an upper shield case; 3. a heat dissipation mechanism; 301. a heat conductive plate; 302. a heat radiation fin; 4. a guide post; 5. driving a positioning frame; 6. a fixing plate; 7. a threaded rod; 8. a joint block; 9. a limiting block; 10. a pressure spring; 11. a connection groove; 12. and a rubber pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the novel shielding case with good shielding performance comprises a lower shielding case body 1 and an upper shielding case body 2, wherein the upper shielding case body 2 is attached and sleeved outside the upper end of the lower shielding case body 1, and a heat dissipation mechanism 3 is arranged below the lower shielding case body 1 and above the upper shielding case body 2; the heat dissipation mechanism 3 comprises a heat conduction plate 301 and heat dissipation fins 302, the heat dissipation fins 302 are uniformly arranged on the side part of the heat conduction plate 301, and the end parts of the heat dissipation fins 302 are positioned on the outer side of a space formed by the lower shielding cover body 1 and the upper shielding cover body 2; a rubber pad 12 is fixedly arranged at the upper end of the lower shielding cover body 1, and the rubber pad 12 is attached to the inner wall of the upper shielding cover body 2;

as shown in fig. 1 and 5, after the upper shield case 2 is mounted on the outer side of the lower shield case 1, the contact area between the lower shield case 1 and the upper shield case 2 is enlarged, and the inner sealing property is enhanced by using the rubber pad 12, so as to improve the shielding performance, after the electronic component is started, the emitted heat is transferred to the heat conducting plate 301, and the heat conducting plate 301 is transferred to the uniformly distributed heat dissipating fins 302, and as the end parts of the heat dissipating fins 302 are positioned on the outer side of the space formed by the lower shield case 1 and the upper shield case 2, heat exchange can be performed, heat dissipation treatment is realized, and normal use of the electronic component is ensured;

further comprises: the driving positioning frame 5 is sleeved outside the upper end of the guide post 4, the guide post 4 is fixedly arranged outside the lower end of the lower shielding cover body 1, and a fixing plate 6 is fixedly arranged outside the left side of the driving positioning frame 5; the connecting blocks 8 are symmetrically and slidingly arranged on the side parts of the upper shielding cover body 2, one end of each connecting block 8, which is close to the lower shielding cover body 1, is positioned in the connecting groove 11, and the connecting groove 11 is arranged in the side edge of the lower shielding cover body 1; the inner wall of the upper end of the driving positioning frame 5 is arranged in an arc shape, the inner wall of the driving positioning frame 5 is mutually attached to the end part of the connecting block 8, and the driving positioning frame 5 and the guide post 4 form an up-down attaching sliding structure; the inside of the fixed plate 6 is connected with a threaded rod 7 in a threaded manner, and the threaded rod 7 is arranged outside the left side of the lower shielding cover body 1 in a bearing manner; a limiting block 9 is arranged in the connecting block 8 in a sliding manner, the limiting block 9 is fixedly arranged on the inner wall of the upper shielding cover body 2, and a pressure spring 10 is connected between the limiting block 9 and the upper shielding cover body 2; the lower part of one side of the connecting block 8, which is close to the driving positioning frame 5, is obliquely arranged, and the connecting block 8 and the connecting groove 11 form a concave-convex matching structure;

with the combination of the illustrations shown in fig. 1-4, after the upper shielding cover body 2 is sleeved on the outer side of the lower shielding cover body 1, the threaded rod 7 is rotated, the threaded rod 7 can drive the driving positioning frame 5 to move upwards by utilizing the threaded connection between the fixing plate 6 and the bonding action between the driving positioning frame 5 and the guide post 4, and in the upward moving process, the symmetrically distributed bonding blocks 8 can be driven to move synchronously by utilizing the bonding action between the bonding blocks 8 until the bonding blocks 8 are mutually bonded with the bonding grooves 11, so that the lower shielding cover body 1 and the upper shielding cover body 2 are connected quickly and stably.

Working principle: when the novel shielding cover with good shielding performance is used, as shown in the combination of fig. 1-5, the upper shielding cover body 2 is firstly sleeved on the outer side of the lower shielding cover body 1, the contact area is enlarged, the sealing performance is improved by utilizing the rubber pad 12, the shielding performance can be improved, then the threaded rod 7 is rotated, the driving positioning frame 5 is driven to move upwards by the fixing plate 6, the symmetrically distributed connecting blocks 8 can be driven to synchronously move by utilizing the attaching effect between the driving positioning frame 5 and the connecting blocks 8, the quick and stable connection between the lower shielding cover body 1 and the upper shielding cover body 2 is realized, and then heat generated in the use process of the electronic components is transmitted to the radiating fins 302 by the heat conducting plate 301, so that quick heat dissipation is realized, and normal use is ensured.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The novel shielding cover with good shielding performance comprises a lower shielding cover body (1) and an upper shielding cover body (2), wherein the upper shielding cover body (2) is arranged outside the upper end of the lower shielding cover body (1) in a fitting manner, and a heat dissipation mechanism (3) is arranged below the lower shielding cover body (1) and above the upper shielding cover body (2);

characterized by further comprising:

the driving positioning frame (5) is sleeved outside the upper end of the guide column (4), the guide column (4) is fixedly arranged outside the lower end of the lower shielding cover body (1), and a fixing plate (6) is fixedly arranged outside the left side of the driving positioning frame (5);

the connecting block (8) is symmetrically arranged on the side part of the upper shielding cover body (2) in a sliding mode, one end, close to the lower shielding cover body (1), of the connecting block (8) is located in the connecting groove (11), and the connecting groove (11) is formed in the side edge of the lower shielding cover body (1).

2. The novel shielding case with good shielding performance according to claim 1, wherein: the inner wall of the upper end of the driving positioning frame (5) is arranged in an arc shape, the inner wall of the driving positioning frame (5) is mutually attached to the end part of the connecting block (8), and the driving positioning frame (5) and the guide column (4) form an upper-lower attaching sliding structure.

3. The novel shielding case with good shielding performance according to claim 1, wherein: the inside threaded connection of fixed plate (6) has threaded rod (7), and threaded rod (7) bearing install in the left side outside of lower shield cover body (1).

4. The novel shielding case with good shielding performance according to claim 1, wherein: the inside slip of linking piece (8) is provided with stopper (9), and stopper (9) fixed mounting in the inner wall of last shield cover body (2), and be connected with compression spring (10) between stopper (9) and the last shield cover body (2).

5. The novel shielding case with good shielding performance according to claim 1, wherein: the lower part of one side of the connecting block (8) close to the driving positioning frame (5) is in an inclined shape, and the connecting block (8) and the connecting groove (11) form a concave-convex matching structure.

6. The novel shielding case with good shielding performance according to claim 1, wherein: the heat dissipation mechanism (3) comprises a heat conduction plate (301) and heat dissipation fins (302), the heat dissipation fins (302) are uniformly arranged on the side parts of the heat conduction plate (301), and the end parts of the heat dissipation fins (302) are located on the outer side of a space formed by the lower shielding cover body (1) and the upper shielding cover body (2).

7. The novel shielding case with good shielding performance according to claim 1, wherein: the upper end of the lower shielding cover body (1) is fixedly provided with a rubber pad (12), and the rubber pad (12) is attached to the inner wall of the upper shielding cover body (2).