TWM642790U - Casing structure - Google Patents

Abstract

A casing structure including a casing and a conductive film is provided. The casing has an inner surface and a boss protruding from the inner surface, wherein the boss has a top surface, a side wall surface connected to the inner surface, and an annular recess between the top surface and the side wall surface, and burrs are located in the annular recess. A height of the burr is less than a depth of the annular recess. The conductive film covers the inner surfaces, the boss and the burrs.

Description

Chassis structure

The novel creation relates to a casing structure.

Common laptop casings can be plastic casings, metal casings or alloy casings. Compared with metal casings or alloy casings, plastic casings are not conductive, so there is no protection against electrostatic discharge and electromagnetic interference. characteristics. Therefore, a conductive film, such as a metal film, is formed in the plastic casing by vacuum sputtering or the like.

Furthermore, the plastic casing is usually produced by injection molding technology, so burrs are prone to occur on the parting surface. Take the screw boss (boss) in the plastic casing as an example, the edge of the top surface of the screw boss is very easy to leave burrs. During assembly, the burrs on the screw boss are easy to be bumped and cause damage to the conductive film covering the burrs. Thus affecting the protection effect of electrostatic discharge and electromagnetic interference.

The new invention provides a casing structure, which helps to improve the protection effect of electrostatic discharge and electromagnetic interference.

The novel creation provides a casing structure, including a casing and a conductive film. The casing has an inner surface and a screw column protruding from the inner surface, wherein the screw column has a top surface, a side wall connected to the inner surface, and an annular depression between the top surface and the side wall, and the burr is located in the annular depression. The height of the burr is less than the depth of the annular depression. The conductive film covers the inner surface, screw posts and burrs.

The novel creation provides a casing structure, including a casing and a conductive film. The casing has an inner surface and a screw column protruding from the inner surface, wherein the screw column has a top surface and a depression at an edge of the top surface, and the burrs are located in the depression. The height of the burr is less than the depth of the depression. The conductive film covers the inner surface, screw posts and burrs.

The novel creation provides a casing structure, including a casing and a conductive film. The casing has an inner surface and a screw column protruding from the inner surface, wherein the screw column has a top surface and an annular surface located between the top surface and the inner surface, and the burrs are located on the annular surface. The height of the flash on the annular surface is less than the step difference between the top surface and the annular surface. The conductive film covers the inner surface, screw posts and burrs.

The novel creation provides a casing structure, including a casing and a conductive film. The casing has an inner surface and a screw column protruding from the inner surface, wherein the screw column has a top surface, a side wall connected to the inner surface, and an annular surface between the top surface and the side wall, and the burrs are located on the annular surface. The height of the flash on the annular surface is less than the step difference between the top surface and the annular surface. The conductive film covers the inner surface, screw posts and burrs.

The novel creation provides a casing structure, including a casing and a conductive film. The casing has an inner surface and a screw column protruding from the inner surface, wherein the screw column has a top surface separated from the inner surface by a first height and an annular surface separated from the inner surface by a second height, and the first height is greater than the second height. The flash is on the annular surface and is lower than the top surface. The conductive film covers the inner surface, screw posts and burrs.

Based on the above, in the casing structure of the present invention, the screw post has a retracted design to avoid the burrs on the screw post from being collided, so as to maintain the integrity of the conductive film, thereby improving the protection effect of electrostatic discharge and electromagnetic interference.

In order to make the above-mentioned features and advantages of the new creation more obvious and easy to understand, the following specific examples are given together with the attached drawings for detailed description as follows.

FIG. 1 is a partial schematic diagram of a casing structure of an embodiment of the present invention. FIG. 2 is a partial schematic diagram of the housing structure in FIG. 1 after removing the conductive parts. FIG. 3 is a schematic cross-sectional view of FIG. 1 along the section line A-A. In particular, FIG. 2 omits the illustration of the conductive film 120 in order to clearly present the structural design of the screw post 112 . Please refer to FIG. 1 to FIG. 3 , in this embodiment, the casing structure 100 may be a casing of a host computer in a notebook computer, but is not limited thereto. In other embodiments, the casing structure 100 may also be a server, a host of a desktop computer, a display or a casing of other electronic devices.

In an embodiment, the casing structure 100 includes a casing 110 and a conductive film 120, wherein the casing 110 can be a plastic casing, and the conductive film 120 can be a metal film formed in the casing 110 by vacuum sputtering or similar methods. . Specifically, the casing 110 has an inner surface 111 and a screw post 112 protruding from the inner surface 111 , and the conductive film 120 covers the inner surface 111 and the screw post 112 to prevent electromagnetic interference and electrostatic discharge.

As shown in FIG. 2 and FIG. 3 , the screw post 112 has a top surface 112a, a side wall surface 112b connected to the inner surface 111, and a depression 112c between the top surface 112a and the side wall surface 112b, and the conductive film 120 covers the top surface 112a and the side wall surface 112b. side wall surface 112b. In addition, the depression 112c can be an annular depression located at the edge of the top surface 112a, and has a side surface 112d and an annular surface 112e. The lateral surface 112d connects the top surface 112a and the annular surface 112e, and the annular surface 112e connects the lateral surface 112d and the sidewall surface 112b. The conductive film 120 covers the side surface 112d and the annular surface 112e, and covers the burrs 113 on the annular surface 112e. That is, the burr 113 is located in the recess 112c.

The annular surface 112e is lower than the top surface 112a, wherein the top surface 112a is separated from the inner surface 111 by a first height H1, and the annular surface 112e is separated from the inner surface 111 by a second height H2 which is smaller than the first height H1. In detail, the burr 113 is located at the junction of the annular surface 112e and the sidewall surface 112b, and protrudes away from the inner surface 111, but does not exceed the top surface 112a. Therefore, the burr 113 is lower than the top surface 112a, or in other words, the height H3 of the burr 113 on the annular surface 112e is smaller than the depth D of the depression 112c, or in other words, the height H3 of the burr 113 on the annular surface 112e is smaller than the top surface 112a The step difference between the annular surface 112e and the step difference is substantially equal to the depth D of the recess 112c.

Please refer to FIG. 1 and FIG. 3. In this embodiment, the casing structure 100 further includes a conductive member 130 and a screw 140, wherein the conductive member 130 can be a hinge bracket, a circuit board or other conductive electronic or non-electronic components. , and the screw 140 passes through the screw column 112 and the conductive element 130 to lock the conductive element 130 on the casing 110 . Furthermore, the conductive member 130 abuts against the top surface 112 a of the screw post 112 , specifically contacts the conductive film 120 on the top surface 112 a, and maintains a gap with the burrs 113 . Therefore, the conductive member 130 in contact with the screw post 112 will not collide with the burr 113, avoiding damage to the conductive film 120 covering the burr 113, so as to maintain the integrity of the conductive film 120, thereby improving the protection against electrostatic discharge and electromagnetic interference. protective effect.

To sum up, in the case structure of this new creation, the screw post has a retractable design to prevent the conductive parts that are in contact with the screw post from colliding with the burr on the screw post, so as to maintain the integrity of the conductive film, thereby improving electrostatic discharge and protection against electromagnetic interference.

Although the present invention has been disclosed above with the embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the technical field can make some changes and changes without departing from the spirit and scope of the present invention. Retouching, so the scope of protection of this new type of creation should be defined by the scope of the attached patent application.

100: Chassis structure 110: Chassis 111: inner surface 112: screw post 112a: top surface 112b: side wall surface 112c: Depression 112d: Lateral face 112e: Ring surface 113: Raw edge 120: Conductive film 130: Conductive parts 140: screw A-A: Sectional line D: Depth H1: first height H2: second height H3: height

FIG. 1 is a partial schematic diagram of a casing structure of an embodiment of the present invention. FIG. 2 is a partial schematic diagram of the housing structure in FIG. 1 after removing the conductive parts. FIG. 3 is a schematic cross-sectional view of FIG. 1 along the section line A-A.

100: Chassis structure

110: Chassis

111: inner surface

112: screw post

112a: top surface

112b: side wall surface

112c: Depression

112d: Lateral face

112e: Ring surface

113: Raw edge

120: Conductive film

130: Conductive parts

140: screw

D: Depth

H1: first height

H2: second height

H3: height

Claims (10)

A casing structure, comprising: a casing having an inner surface and a screw column protruding from the inner surface, wherein the screw column has a top surface, a side wall surface connected to the inner surface, and is located between the top surface and the side wall surface The annular depression, and the burr is located in the annular depression, the height of the burr is less than the depth of the annular depression; and a conductive film, covering the inner surface, the screw post and the burr. The casing structure as claimed in claim 1, further comprising: a conductive member, contacting the conductive film on the top surface of the screw post, and maintaining a gap with the burr; and a screw, passing through the screw post and the conductive film pieces. A casing structure, comprising: a casing having an inner surface and a screw column protruding from the inner surface, wherein the screw column has a top surface and a depression at an edge of the top surface, and a burr is located in the depression, and the burr The height is less than the depth of the depression; and the conductive film covers the inner surface, the screw post and the burr. The casing structure as claimed in claim 3, further comprising: a conductive member, contacting the conductive film on the top surface of the screw post, and maintaining a gap with the burr; and a screw, passing through the screw post and the conductive film pieces. A case structure, comprising: a case with an inner surface and a screw column protruding from the inner surface, wherein the screw the post has a top surface and an annular surface between the top surface and the inner surface, and a burr is located on the annular surface, the height of the burr on the annular surface being less than a step between the top surface and the annular surface; and The conductive film covers the inner surface, the screw column and the burrs. The casing structure as claimed in claim 5, further comprising: a conductive member, contacting the conductive film on the top surface of the screw post, and maintaining a gap with the burr; and a screw, passing through the screw post and the conductive film pieces. A casing structure, comprising: a casing having an inner surface and a screw column protruding from the inner surface, wherein the screw column has a top surface, a side wall surface connected to the inner surface, and a side wall surface located between the top surface and the side wall surface between the annular surface, and the burr is located on the annular surface, the height of the burr on the annular surface is smaller than the step difference between the top surface and the annular surface; and a conductive film, covering the inner surface, the screw post and the Raw edges. The casing structure as claimed in claim 7, further comprising: a conductive member, contacting the conductive film on the top surface of the screw post, and maintaining a gap with the burr; and a screw, passing through the screw post and the conductive film pieces. A casing structure, comprising: a casing having an inner surface and a screw column protruding from the inner surface, wherein the screw column has a top surface at a first height from the inner surface and a top surface at a second height from the inner surface an annular surface, and the first height is greater than the second height, and the burrs are located on the annular surface on the surface and lower than the top surface; and a conductive film covering the inner surface, the screw post and the burr. The casing structure as claimed in item 9, further comprising: a conductive member, contacting the conductive film on the top surface of the screw post, and maintaining a gap with the burr; and a screw, passing through the screw post and the conductive film pieces.

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