CN213423274U

CN213423274U - Shielding box for detecting circuit board

Info

Publication number: CN213423274U
Application number: CN202022325566.5U
Authority: CN
Inventors: 黄大恩
Original assignee: Zeli Electronics Suzhou Co ltd
Current assignee: Zeli Electronics Suzhou Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-06-11
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses a belongs to the technical field of circuit board testing, in particular to a shielding box for detecting a circuit board, which comprises an upper box body, a lower box body and a limiting device, wherein the inner wall of the upper box body and the inner wall of the lower box body are both provided with shielding layers, cylinders are respectively arranged on the left side wall and the right side wall of the upper box body and the lower box body, the left side wall of the lower box body is provided with a main switch, an opening button, an operation indicator lamp and a closing button are sequentially arranged below the front surface of the lower box body from left to right, the back surface of the lower box body is provided with a data transmission port, the limiting device comprises an upper mounting block, a lower mounting block and a limiting block, the upper mounting block is arranged below the front surface of the upper box body, the lower box body is arranged above the front surface of the lower box body, the upper box body and the lower box body can be closed through the cylinders, and the limiting block can, the sealing effect is better, and the electromagnetic wave is effectively shielded.

Description

Shielding box for detecting circuit board

Technical Field

The utility model relates to a circuit board test technical field specifically is a circuit board detects uses shielded cell.

Background

The circuit board is producing the back, need detect its each item performance, when going the test to the circuit board, because be full of the electromagnetic wave in the space environment, in order to avoid producing the interference to the test result, generally put into the product electromagnetic shield incasement and test, current shielded box is sealed effectual, uses for a long time and can produce certain clearance, can't be fine shield the electromagnetic wave, and current shielded box inside can't carry out fine fixed to the circuit board.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circuit board detects uses shielded cell to it is not good to solve the sealed effect that provides in the above-mentioned background art, uses to have been of a specified duration and can produce certain clearance, and unable fine shields the electromagnetic wave, and inside can't carry out fine fixed problem to the circuit board.

In order to achieve the above object, the utility model provides a following technical scheme: a shielding box for detecting a circuit board comprises an upper box body, a lower box body and a limiting device, wherein shielding layers are arranged on the inner wall of the upper box body and the inner wall of the lower box body, air cylinders are arranged on the left side wall and the right side wall of the upper box body and the lower box body, a main switch is arranged on the left side wall of the lower box body, an opening button, an operation indicator lamp and a closing button are sequentially arranged below the front surface of the lower box body from left to right, a data transmission port is arranged on the back surface of the lower box body, the limiting device comprises an upper mounting block, a lower mounting block and a limiting block, the upper mounting block is mounted below the front surface of the upper box body, the lower box body is mounted above the front surface of the lower box body, a first movable groove is longitudinally formed in the upper mounting block, a second movable groove is transversely formed in the upper mounting block, the first movable groove is communicated with the, the limiting block is internally and transversely provided with a slotted hole matched with the sliding rod, the sliding rod is inserted into the slotted hole, a limiting groove is longitudinally formed in the lower mounting block, a third movable groove is transversely formed above the lower mounting block, the limiting rod matched with the limiting block is inserted in the third movable groove, the limiting block is clamped on the outer wall of the limiting rod, a fixing device is installed below the lower box body, and a handle is installed on the front face of the limiting block.

Preferably, fixing device includes fixing base, mount pad, apron, spacing post and support column, the fixing base is installed bottom in the box down, the mount pad bottom is connected with the fixing base top, vertically seted up the mounting groove in the mount pad below.

Preferably, a movable groove IV is transversely formed in the upper portion of the mounting seat, a rotating column is inserted into the movable groove IV, the cover plate is connected with the outer wall of the rotating column, and a limiting column is mounted at the bottom of the cover plate.

Preferably, the support column is installed on the installation seat, and a rubber cushion layer is arranged at the top of the support column.

Preferably, the limiting column is a rubber limiting column.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the utility model discloses be equipped with stop device, can make through the cylinder go up the box and be closed with lower box, the gag lever post outer wall of stopper joint in the installation piece under can be with the rethread handle for go up and laminate more between box and the lower box, sealed effect is better, effectually shields the electromagnetic wave.

2) The utility model discloses can carry out effectual fixed to the circuit board, install the circuit board in the mounting groove in the mount pad, rotate the spacing post pressure that makes the apron bottom at the top of circuit board with the apron, prevent that the circuit board from producing the removal, make the circuit board comparatively stable when detecting.

Drawings

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

FIG. 2 is a left side view of the present invention;

fig. 3 is a schematic structural view of the fixing device of the present invention.

In the figure: the device comprises an upper box body 1, a lower box body 2, a 3 air cylinder, a 4 main switch, a 5 opening button, a 6 operation indicator lamp, a 7 closing button, an 8 upper mounting block, a 9 limiting block, a 10 lower mounting block, 11 data transmission ports, 12 handles, 13 fixing seats, 14 mounting seats, 15 cover plates, 16 limiting columns, 17 mounting grooves and 18 supporting columns.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution: a shielding box for detecting a circuit board comprises an upper box body 1, a lower box body 2 and a limiting device, wherein shielding layers are arranged on the inner wall of the upper box body 1 and the inner wall of the lower box body 2, cylinders 3 are arranged on the left side wall and the right side wall of the upper box body 1 and the lower box body 2, a main switch 4 is arranged on the left side wall of the lower box body 2, an opening button 5, an operation indicator lamp 6 and a closing button 7 are sequentially arranged on the front lower side of the lower box body 2 from left to right, the main switch 4 is opened, the shielding box is electrified, the opening button 5 is pressed, the upper box body 1 is driven to move upwards by the operation of the cylinders 3, the upper box body 1 is separated from the lower box body 2, the closing button 7 is pressed, the cylinders 3 work and contract to drive the upper box body 1 to move downwards so that the upper box body 1 is closed from the lower box body 2, a data transmission port 11 is arranged on the back, the circuit board working test device comprises an upper mounting block 8, a lower mounting block 10 and a limiting block 9, wherein the upper mounting block 8 is mounted below the front face of an upper box body 1, a lower box body 2 is mounted above the front face of a lower box body 2, a first movable groove is longitudinally formed in the upper mounting block 8, a second movable groove is transversely formed in the upper mounting block 8, the first movable groove is communicated with the second movable groove, a sliding rod is inserted in the second movable groove, the limiting block 9 is mounted in the first movable groove, a slotted hole matched with the sliding rod is transversely formed in the limiting block 9, the sliding rod is inserted in the slotted hole, a limiting groove is longitudinally formed in the lower mounting block 10, a third movable groove is transversely formed above the lower mounting block 10, a limiting rod matched with the limiting block 9 is inserted in the third movable groove, and the limiting block 9 is clamped on the outer wall of the limiting rod, fixing device is installed to the below in box 2 down, stopper 9 openly installs handle 12, holds handle 12 and pushes down hard for stopper 9 joint is at the gag lever post outer wall in installation piece 10 down, makes and laminates more between last box 1 and the lower box 2.

Fixing device includes fixing base 13, mount pad 14, apron 15, spacing post 16 and support column 18, fixing base 13 installs bottom in box 2 down, 14 bottoms of mount pad are connected with 13 tops of fixing base, vertically seted up mounting groove 17 in the mount pad 14 below.

The mounting seat 14 top has transversely been seted up the activity groove four, the rotation post has been inserted in the activity groove four, apron 15 and rotation post outer wall connection, spacing post 16 is installed to apron 15 bottom, installs the circuit board in mounting groove 17, rotates apron 15 after the installation is accomplished for the spacing post 16 of apron 15 bottom presses at the top of circuit board, fixes the circuit board.

The supporting column 18 is installed on the installation seat 14, and a rubber cushion layer is arranged on the top of the supporting column 18.

The limiting column 16 is a rubber limiting column.

The working principle is as follows: open master switch 4, make the shielded cell circular telegram, press opening button 5, 3 work of cylinder drives box 1 rebound, make and separate between last box 1 and the lower box 2, install the circuit board in mounting groove 17, rotate apron 15 after the installation is accomplished, make the spacing post 16 of apron 15 bottom press the top at the circuit board, fix the circuit board, connect the test line of circuit board in data transmission port 11, make circuit board work test, press close button 7, 3 work shrink of cylinder, it makes to go up box 1 and lower box 2 between closed to drive box 1 rebound, hold handle 12 and push down hard, make stopper 9 joint the gag lever post outer wall in installation piece 10 down, make and laminate more between last box 1 and the lower box 2.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a circuit board detects uses shielded cell, includes box (1), lower box (2) and stop device, its characterized in that: the inner wall of the upper box body (1) and the inner wall of the lower box body (2) are respectively provided with a shielding layer, the left side wall and the right side wall of the upper box body (1) and the lower box body (2) are respectively provided with an air cylinder (3), the left side wall of the lower box body (2) is provided with a main switch (4), the front lower part of the lower box body (2) is sequentially provided with an opening button (5), an operation indicator lamp (6) and a closing button (7) from left to right, the back surface of the lower box body (2) is provided with a data transmission port (11), the limiting device comprises an upper mounting block (8), a lower mounting block (10) and a limiting block (9), the upper mounting block (8) is mounted under the front of the upper box body (1), the lower box body (2) is mounted above the front of the lower box body (2), a first movable groove is longitudinally formed in the upper mounting block (8), a, the movable groove I is communicated with the movable groove II, a sliding rod is inserted in the movable groove II, the limiting block (9) is installed in the movable groove I, a groove hole matched with the sliding rod is transversely formed in the limiting block (9), the sliding rod is inserted in the groove hole, a limiting groove is longitudinally formed in the lower installation block (10), a movable groove III is transversely formed in the upper portion of the lower installation block (10), a limiting rod matched with the limiting block (9) is inserted in the movable groove III, the limiting block (9) is connected to the outer wall of the limiting rod in a clamping mode, a fixing device is installed below the lower box body (2), and a handle (12) is installed on the front side of the limiting block (9).

2. The shielding box for detecting the circuit board as claimed in claim 1, wherein: fixing device includes fixing base (13), mount pad (14), apron (15), spacing post (16) and support column (18), bottom in box (2) is under in fixing base (13) installation, mount pad (14) bottom is connected with fixing base (13) top, vertically mounting groove (17) have been seted up in mount pad (14) below.

3. The shielding box for detecting the circuit board as claimed in claim 2, wherein: the mounting seat (14) top has transversely seted up activity groove four, it is equipped with the rotation post to insert in the activity groove four, apron (15) and rotation post outer wall connection, spacing post (16) are installed to apron (15) bottom.

4. The shielding box for detecting the circuit board as claimed in claim 2, wherein: the supporting column (18) is installed on the installation seat (14), and a rubber cushion layer is arranged on the top of the supporting column (18).

5. The shielding box for detecting the circuit board as claimed in claim 2, wherein: the limiting column (16) is a rubber limiting column.