CN215872562U

CN215872562U - Take shielding function and difficult frame trench parting bead of deformation

Info

Publication number: CN215872562U
Application number: CN202121993360.8U
Authority: CN
Inventors: 袁国生
Original assignee: HANGZHOU ECI COMMUNICATION CO Ltd
Current assignee: HANGZHOU ECI COMMUNICATION CO Ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-02-18
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a machine frame groove position isolating strip with a shielding function and difficult deformation, which can ensure good electromagnetic shielding effect of a communication equipment case, can ensure reliable and convenient plugging and unplugging of a board card, and is durable. The connecting machine frame part and the connecting plate clamping part are integrally formed, the connecting machine frame part is bent towards two sides by a plate extending from the connecting plate clamping part to form a 90-degree bending angle, and the isolating strip is made of 65Mn spring steel. The utility model is suitable for plug-in chassis with different sizes.

Description

Take shielding function and difficult frame trench parting bead of deformation

Technical Field

The utility model relates to the field of mechanical structures, in particular to a machine frame slot position isolating strip with a shielding function and difficult deformation.

Background

With the rapid development of information technology, the electrification level is higher and higher, the electromagnetic environment is more and more complex and changeable, the problem caused by interference is more prominent in the development of communication equipment, and the design and research of electromagnetic compatibility are needed. In recent years, sheet-metal chassis is widely applied to communication equipment, and the communication equipment is not only interfered by external equipment but also is more easily interfered by the communication equipment.

Electromagnetic Interference (EMI for short) refers to an Interference phenomenon generated after Electromagnetic waves and electronic components act, and includes two types, namely conduction Interference and radiation Interference.

In order to satisfy EMC requirements for electronic communication, it is necessary to consider how the communication chassis suppresses interference from the aspect of structural design at the early stage of product design. For the communication machine case, a large number of pluggable board card designs are adopted, the structure of the machine case is more complex, any practical machine case is provided with a gap, and the electromagnetic leakage phenomenon is caused at the gap due to the discontinuous conductivity of the gap. In order to improve the electromagnetic shielding effect of the gap, a method capable of effectively avoiding the electromagnetic interference phenomenon on the basis of keeping the design of the existing plug-in chassis is urgently needed to solve the problem.

At present, a communication machine frame requires more board card configuration flexibility, a plurality of slot positions are possibly required to be combined into one to place a larger board card, and higher requirements are provided for product design. Since the spacer strip needs to be designed to mount the removable rail once the multiple slot combination is required, the spacer strip needs to have both sufficient strength and meet EMC requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a machine frame slot isolation strip which can ensure good electromagnetic shielding effect of a communication equipment case, can ensure flexible configuration of card slots and is not easy to deform.

The utility model is realized by the following technical scheme:

the utility model discloses a machine frame groove position isolating strip with a shielding function and difficult deformation, which comprises a connecting board card part and a connecting machine frame part arranged on two side edges of the connecting board card part, wherein the isolating strip is manufactured by sheet metal processing through a whole metal plate, is fixed on a machine frame upright post through the connecting machine frame part and is contacted with a board card through the connecting board card part.

As a further improvement, the connecting frame part is a bending surface. The two sides of the connecting board card part are two sides which are not adjacent.

As a further improvement, the bending surface and the connecting board card part form a 90-degree bending angle, one side of the connecting board card part is provided with at least one bending surface, and the bending surface is provided with a mounting hole.

As a further improvement, when the number of the bending surfaces is more than two, the bending surfaces are respectively arranged upwards and downwards relative to the connecting board card part.

As a further improvement, the connection board card part of the utility model comprises a reinforcing rib and a U-shaped arm.

As a further improvement, the reinforcing rib is a long waist type reinforcing rib (8) formed by stamping through a die.

As a further improvement, the U-shaped arm is formed by die punching and provided with a circular convex hull formed by punching.

As a further improvement, the U-shaped arm and the connecting board card part form an included angle of 3 degrees, and the isolating bar is made of 65Mn spring steel.

As a further improvement, the isolating bar is provided with a connecting block, and the connecting block is used for installing a detachable guide rail.

As a further improvement, the detachable guide rail is arranged on the isolation strip through a connecting block and is arranged in the machine frame through the isolation strip, and the detachable guide rail is used for changing one large slot position into two small slot positions.

The utility model has the following beneficial effects:

according to the technical scheme, the convex hull is in contact with the board card panel, so that EMC (electro magnetic compatibility) between the board card and a machine frame can be prevented from being leaked; the flexible configuration of the machine frame slot position is ensured by installing the detachable guide rail. The utility model has simple processing, can process proper isolating strips according to machine frames and board card slot positions with different sizes, and simultaneously, the isolating strips are made of 65Mn steel, have high strength and good elasticity, are very flexible and convenient to install, are suitable for popularization and have good commercial value.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a schematic view of the installation of the present invention.

In the figure, 1, a machine frame part is connected; 2. a board card connecting part; 3. bending a surface; 4. mounting holes; 5. a U-shaped arm; 6. a convex hull; 7. a metal upright post; 8. reinforcing ribs; 9. connecting blocks; 10. the guide rail can be disassembled.

Detailed Description

Embodiments of the utility model are described in further detail below with reference to the accompanying drawings:

the utility model discloses a machine frame slot position isolating strip with a shielding function and difficult deformation, which is suitable for a machine frame slot position isolating strip with a shielding function and difficult deformation on a plug-in type machine case. FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a schematic top view of the present invention; fig. 3 is a schematic view of the installation of the present invention.

The parting strip includes connecting plate card part 2 and sets up in connecting frame part 1 of 2 both sides opposite sides of connecting plate card part, and the parting strip is made through panel beating through a monoblock sheet metal, and on the parting strip was fixed in the frame stand through connecting frame part 1, through connecting plate card part 2 and integrated circuit board contact, 2 both sides limits of connecting plate card part were not adjacent both sides limits.

Face 3 of bending is 90 angles of bending with connection integrated circuit board part 2, and connection integrated circuit board part 2 one side is provided with at least more than one face 3 of bending, does not 2 in this embodiment, has seted up mounting hole 4 on the face 3 of bending, and face 3 of bending is for connection integrated circuit board part 2 respectively up with the opposite direction setting down. The spacing strip is connected with the metal upright post 7 through the bending surface 3. Wherein, being equipped with two mounting holes 4 on the face of bending 3, mounting hole 4 is riveting hole and rivet pressing nut, also can establish one or more mounting hole 4 on the face of bending 3, and the type in hole is selected as required, as long as can fix frame part 1 of being connected on the frame stand can.

The connecting board card part 2 comprises a reinforcing rib 8 and a U-shaped arm 5, wherein the U-shaped arm 5 is of a cantilever structure, so that the connecting board card part has an EMC shielding function, and the U-shaped arm 5 inclines towards one side of a board card, so that the U-shaped arm 5 is in close contact with a board card panel.

The convex hull 6 is arranged at the top of one side of the U-shaped arm 5, which is close to the board card, so that the U-shaped arm 5 is more stable to contact with the board card panel. The top of the convex hull 6 is provided with a convex point, so that the contact between the U-shaped arm 5 and the board card panel realizes real point contact.

The strengthening rib 8 is the long waist type strengthening rib 8 that the mould punching press formed, and strengthening rib 8 sets up on the main part face of parting strip, prevents that the main part of parting strip from producing deformation because of external force, guarantees that the parting strip installation targets in place. A plurality of U-shaped arms 5 which are closely arranged are processed by the connecting board card part 2 of the isolating strip in a metal plate blanking mode, a circular convex hull 6 formed by stamping is arranged on each U-shaped arm 5, and the convex hull 6 is in contact with a board card panel to achieve an EMC isolating effect. The U-shaped arm 5 and the connecting board card part 2 form an included angle of 3 degrees, the included angle of 3 degrees is the preferred choice of the embodiment, and the selection can also be carried out according to the actual structure of the board card as long as the metal shielding structure of the isolating strip and the board card can be ensured to be in close contact; the isolating bars are made of 65Mn spring steel materials, and the materials can prevent the isolating bars from deforming under stress.

The utility model is characterized in that a connecting block 9 is arranged on a spacing strip, the connecting block 9 is used for installing a detachable guide rail 10, the detachable guide rail 10 is arranged on the spacing strip through the connecting block and is arranged in a machine frame through the spacing strip and used for changing a large slot position into two small slot positions. The connecting block 9 and the detachable guide rail 10 realize the function of flexibly configuring the slot position of the machine frame.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the core technical features of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a take shielding function and frame trench parting bead that is difficult for deformation, a serial communication port, the parting bead include connection integrated circuit board part (2) and set up in connection frame part (1) on connection integrated circuit board part (2) both sides limit, the parting bead make through panel beating processing through a monoblock sheet metal, the parting bead be fixed in frame stand (7) through connecting frame part (1) on, contact with the integrated circuit board through connecting integrated circuit board part (2).

2. The machine frame slot isolating strip with the shielding function and the low possibility of deformation according to claim 1, wherein the connecting machine frame part (1) is a bending surface (3), and two sides of the connecting board card part (2) are two sides which are not adjacent.

3. The machine frame groove isolation strip with shielding function and difficult deformation according to claim 2, wherein the bending surface and the connecting plate card part (2) form a 90-degree bending angle, at least one bending surface (3) is arranged on one side of the connecting plate card part (2), and the bending surface (3) is provided with a mounting hole (4)

4. The machine frame slot isolating strip with shielding function and difficult deformation according to claim 1, 2 or 3, wherein when the number of the bending surfaces (3) is more than two, the bending surfaces (3) are respectively arranged upwards and downwards relative to the connecting board card part (2).

5. The machine frame slot isolating strip with shielding function and difficult deformation as claimed in claim 4, wherein the connecting board card part (2) comprises a reinforcing rib (8) and a U-shaped arm (5).

6. The machine frame groove isolation strip with shielding function and difficult deformation according to claim 5, wherein the reinforcing rib (8) is a long waist-shaped reinforcing rib (8) formed by stamping with a die.

7. The machine frame slot parting strip with shielding function and difficult deformation of claim 5 or 6, wherein the U-shaped arm (5) is formed by die punching and is provided with a circular convex hull (6) formed by punching.

8. The machine frame slot isolating strip with the shielding function and the low possibility of deformation according to claim 7, wherein the U-shaped arm (5) and the connecting board card part (2) form an included angle of 3 degrees, and the isolating strip is made of 65Mn spring steel.

9. The strip according to claim 1, 2, 3, 5, 6 or 8, wherein the strip is provided with a connecting block (9), and the connecting block (9) is used for mounting a detachable guide rail (10).

10. The machine frame slot parting strip with shielding function and not easy to deform of claim 9, wherein the detachable guide rail (10) is installed on the parting strip through a connecting block (9) and installed in the machine frame through the parting strip for changing one large slot into two small slots.