CN218301733U - Multilayer impedance HDI circuit board - Google Patents

Abstract

The utility model relates to a circuit board technical field specifically is multilayer impedance HDI circuit board, including the protective housing, the outside of protective housing is provided with circuit board main part, the protective housing is located circuit board main part's inside, fixed connection between protective housing and the circuit board main part, the all fixedly connected with connecting block in four sides of circuit board main part, the inserted bar extends to the inside of connecting block, two sets of grip blocks of all fixedly connected with in four corners at the protective housing back, the all fixedly connected with in surface of grip block supports the touch multitouch, and is organized support symmetric distribution between the touch multitouch, and is organized the surface cover of grip block is equipped with the retainer plate, has avoided the dust to be stained with and attaches behind circuit board main part surface, adsorbs the moisture in the air, leads to circuit board main part to produce the short circuit, and avoids moist moisture to corrode the electronic component of circuit board main part, can install and dismantle the circuit board fast, need not carry out installation work with the help of instruments such as screwdriver and screw nut.

Description

Multilayer impedance HDI circuit board

Technical Field

The utility model relates to a HDI circuit board technical field specifically is multilayer impedance HDI circuit board.

Background

The circuit board is an essential electronic element in various electrical appliances at the present stage, and is used for electrical appliances such as a computer television and the like, a plurality of groups of electronic elements are generally installed on the circuit board, and capacitors are generally fully distributed at other positions and are directly exposed on the circuit board;

however, the capacitor itself on the circuit board is very easily damaged due to the characteristics of the capacitor and the fixing mode, and the capacitor is damaged after a certain collision, and the circuit board is generally exposed in the air directly after being installed, and is adhered with more dust after being exposed for a long time, and the dust may cause a short circuit of the circuit board after absorbing moisture in the air.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multilayer impedance HDI circuit board to electric capacity itself on the circuit board that proposes in solving above-mentioned background art is very easily damaged, receives certain collision back, will damage, and directly exposes in the air behind the general installation of circuit board, exposes for a long time and can be stained with and attach more dust, and the dust is behind the moisture in the absorption air, can lead to the problem of circuit board short circuit.

In order to achieve the above object, the utility model provides a following technical scheme: multilayer impedance HDI circuit board, including the protective housing, the outside of protective housing is provided with circuit board main part, the protective housing is located the inside of circuit board main part, fixed connection between protective housing and the circuit board main part, the surface covering of circuit board main part has the apron, the all fixedly connected with inserted bar of the four sides side of apron, the all fixedly connected with connecting block of the four sides side of circuit board main part, the inserted bar extends to the inside of connecting block, four corners at the protective housing back are two sets of grip blocks of fixedly connected with all, the all fixedly connected with on surface of grip block supports the touch multitouch, and organize it is symmetrical distribution between the touch multitouch to support the touch multitouch, organize together the surface cover of grip block is equipped with the retainer plate.

Preferably, the edge veneer of apron has the rubber circle, and the inner wall of rubber circle and circuit board main part is contradicted each other, the apron is fixed through the frictional force that rubber circle and circuit board main part inner wall conflict produced.

Preferably, the front surface of the cover plate is provided with a wire hole in a penetrating mode, the inner wall of the wire hole is evenly glued with rubber strips, and the wire hole is covered by the rubber strips.

Preferably, the jack has been seted up in the front of connecting block, spread groove one has been seted up to the inside one side of connecting block, spread groove two has been seted up to the inside opposite side of connecting block, the hook groove has been seted up to the centre department of spread groove one and spread groove two, the inside fixedly connected with hook block of connecting block.

Preferably, the hook piece is heart type, the heart type is constituteed with the hook groove to spread groove one, spread groove two, the position in hook groove is partial to one side of spread groove one, the inserted bar is located the inside in hook groove, the end and the hook piece of inserted bar are colluded and are taken fixedly.

Preferably, the cross section of the fixing ring is rhombic, the distance of one inner ring diagonal of the fixing ring is smaller than the distance between two contact blocks in the same group, and the distance of the other inner ring diagonal of the fixing ring is larger than the distance between two contact blocks in the same group.

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

1. when a user installs the device, the cover plate is temporarily fixed on the front surface of the protective shell through friction force due to the fact that the rubber rings on the periphery of the cover plate are abutted with the protective shell, the rubber strips inside the wire holes are in contact with the connecting wires, the wire holes are sealed, the inside of the protective shell is isolated from outside air through the rubber rings and the rubber strips, the phenomenon that the outside air carries dust to enter the inside of the protective shell is avoided, the surface of the circuit board main body cannot be attached, the phenomenon that outside air containing moisture enters the inside of the protective shell is also isolated, the circuit board main body is located in a dry space similar to dust-free space inside the protective shell, the phenomenon that the dust is attached to the surface of the circuit board main body and absorbs moisture in the air is avoided, the circuit board main body is short-circuited, the phenomenon that the electronic elements of the circuit board main body are corroded by the moist moisture is avoided, the service life of the circuit board main body is prolonged, and the phenomenon that the circuit board main body suddenly breaks down when in use is avoided, and the use experience of the user is influenced;

2. after the connecting wire is installed by a user, press the cover plate, the end of the inserted bar is abutted with the hook block, the inside of the first connecting groove is inserted, the inserted bar is driven to reset through resilience force of the inserted bar, the inserted bar is L-shaped, the end of the inserted bar is hooked with the groove of the hook block in the hook groove, the user presses the cover plate again, the inserted bar is driven to be abutted against the inner wall of the hook groove, then the cover plate is pulled out of the user, the inserted bar is driven to move out of the connecting block along the second connecting groove and the jack, then the clamping block is inserted into the preset mounting hole of the mounting position, the fixing ring is rotated ninety degrees, the inner wall of the fixing ring is abutted against the abutting block, the inner wall of the fixing ring is abutted against and extruded by the abutting block, the clamping block is driven to deform and approach to each other, the rod-shaped parts preset in the clamping block clamping mounting hole through deformation are arranged, the user can install and disassemble the circuit board quickly through the device, the mounting device without tools such as a screwdriver and a nut, the user can install and disassemble the connecting wire quickly without the connecting wire or press the cover plate for the cover plate, and use when the connecting wire is overhauled, the connecting wire, the cover plate can be easily.

Drawings

FIG. 1 is a schematic front view of a protective shell according to the present invention;

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

fig. 3 is a schematic sectional view of the middle connecting block of the present invention from the bottom;

FIG. 4 is a schematic side view of the structure of the present invention;

fig. 5 is a schematic side view of the structure of the middle clamping block and the fixing ring of the present invention.

In the figure: 1. a protective shell; 2. a circuit board main body; 3. a cover plate; 4. a wire hole; 5. a rod is inserted; 6. connecting blocks; 7. a jack; 8. connecting a groove I; 9. connecting groove two; 10. a hook groove; 11. hooking the block; 12. a clamping block; 13. a contact block; 14. and a fixing ring.

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.

The present invention will be further described with reference to the following examples.

Example 1

The multilayer impedance HDI circuit board of this embodiment, as shown in fig. 1-2, includes a circuit board main body 2 disposed outside a protective case 1, the protective case 1 is located inside the circuit board main body 2, the protective case 1 is fixedly connected to the circuit board main body 2, and a cover plate 3 covers a surface of the circuit board main body 2.

Further, the edge of apron 3 is glued and is had the rubber circle, and the rubber circle is contradicted with the inner wall of circuit board main part 2 each other, and apron 3 is fixed through the frictional force that the conflict of rubber circle and 2 inner walls of circuit board main part produced, and the front of apron 3 runs through and has seted up line hole 4, and the inner wall in line hole 4 evenly glues there is the rubber strip, and the rubber strip covers line hole 4.

In the embodiment, when a user installs the device, the cover plate 3 is taken down firstly, then the specific connecting wire is connected with the circuit board main body 2, then the other end of the connecting wire passes through the wire hole 4, then the cover plate 3 covers the front surface of the protective shell 1, the cover plate 3 is in conflict with the protective shell 1 through the rubber ring around the cover plate 3, the cover plate 3 is temporarily fixed on the front surface of the protective shell 1 through friction force, a rubber strip inside the wire hole 4 is in contact with the connecting wire, so that the wire hole 4 is sealed, the rubber ring around the cover plate 3 is in conflict with the inner wall of the protective shell 1 in a matching way, the inside of the protective shell 1 is isolated from outside air through the rubber ring and the rubber strip, the phenomenon that the outside air carries dust to enter the inside of the protective shell 1 is avoided, so that the surface of the circuit board main body 2 cannot be attached to the circuit board main body 2, the air containing moisture outside is also isolated from entering the inside of the protective shell 1, so that the circuit board main body 2 is in a dry and similar to a dust-free space inside the protective shell 1, so that the dust is avoided from being attached to be attached to the surface of the circuit board main body 2, the circuit board main body 2 to cause short circuit board 2 to generate short circuit, and the wet moisture, the corrosion of the electronic element of the circuit board main body 2 is prevented, the circuit board main body 2 is corroded, the service life of the circuit board, and the circuit board is prevented from the service life of the user, and the service life of the user is prevented from being suddenly, and the user.

Example 2

In other aspect, this embodiment still provides multilayer impedance HDI circuit board, as shown in fig. 3-5, the equal fixedly connected with inserted bar 5 of the four sides side of apron 3, the equal fixedly connected with connecting block 6 of the four sides side of circuit board main part 2, inserted bar 5 extends to the inside of connecting block 6, two sets of grip blocks 12 of all fixedly connected with of four corners at the back of protective housing 1, the equal fixedly connected with in surface of grip block 12 supports contact block 13, with organizing supporting symmetric distribution between contact block 13, with organizing the surface cover of grip block 12 and being equipped with retainer plate 14.

Further, jack 7 has been seted up in the front of connecting block 6, connecting groove 8 has been seted up to the inside one side of connecting block 6, connecting groove two 9 has been seted up to the inside opposite side of connecting block 6, connecting groove 10 has been seted up to the centre department of connecting groove one 8 and connecting groove two 9, the inside fixedly connected with hook block 11 of connecting block 6, hook block 11 is heart type, connecting groove one 8, connecting groove two 9 and hook groove 10 constitute heart type, the position of hook groove 10 is partial to one side of connecting groove one 8, inserted bar 5 is located the inside of hook groove 10, the end of inserted bar 5 and hook block 11 are colluded and are taken fixedly, retainer plate 14's transversal personally submits the rhombus, the distance of 14 inner circle diagonal of retainer plate is less than the distance between two contact blocks 13 of the same group, the distance of another inner circle diagonal of retainer plate 14 is greater than the distance between two contact blocks 13 of the same group.

In the embodiment, when a user installs a connection wire, no installation error is found after the user finishes the inspection, the cover plate 3 is pressed to push the insertion rod 5 to move towards the insertion hole 7 and the inside of the connection block 6, the end of the insertion rod 5 abuts against the hook block 11, the side surface of the hook block 11 is a circular arc surface, so that the insertion rod 5 deforms and deflects towards the side surface, the insertion rod 5 is inserted into the first connection groove 8 until the insertion rod 5 moves to the inside of the hook groove 10, then the insertion rod 5 is driven to reset by the resilience of the insertion rod 5, the insertion rod 5 is in an L shape, the end of the insertion rod 5 is hooked with the groove of the hook block 11 in the hook groove 10, the cover plate 3 is fixed by the insertion rod 5, the user drives the insertion rod 5 to abut against the inner wall of the hook groove 10 by pressing the cover plate 3 again, as shown in fig. 3, the insertion rod 5 deforms again after the inner wall of the hook groove 10 abuts against, then the cover plate 3 is pulled out by the user, the insertion rod 5 is driven to move out of the connection block 6 along the second connection groove 9 and the insertion hole 7, then the clamping block 12 is inserted into a preset mounting hole at the mounting position, then the fixing ring 14 is sleeved on the surface of the clamping block 12, then the fixing ring 14 is rotated by ninety degrees, one diagonal line of the inner ring of the fixing ring 14 is smaller than the distance between the contact blocks 13, when the fixing ring 14 rotates, the inner wall of the fixing ring 14 is contacted with the contact blocks 13, until the fixing ring 14 rotates by ninety degrees, the inner wall of the fixing ring 14 is contacted and extruded with the contact blocks 13 to drive the clamping blocks 12 to be mutually deformed and close to each other, the clamping blocks 12 which are deformed clamp the rod-shaped parts preset in the mounting hole, through the device, a user can rapidly mount and dismount the circuit board, mounting work is not needed by means of tools such as a screwdriver and a screw nut, so that the user can rapidly finish dismounting when overhauling, and avoids the absence of tools such as a screwdriver, lead to unable dismantlement, the influence is overhauld, and can be when needs change the connecting wire or install the connecting wire additional, can easily take off apron 3 through pressing apron 3, supplies the user to operate the connecting wire.

The working principle is as follows: in summary, when a user installs the device, firstly, the cover plate 3 is taken down, then a specific connecting line is connected with the circuit board main body 2, then the other end of the connecting line passes through the line hole 4, then the cover plate 3 is covered on the front surface of the protective shell 1, the rubber ring around the cover plate 3 is abutted with the protective shell 1, the cover plate 3 is temporarily fixed on the front surface of the protective shell 1 through friction force, a rubber strip inside the line hole 4 is contacted with the connecting line, so that the line hole 4 is sealed, the rubber ring around the cover plate 3 is abutted with the inner wall of the protective shell 1 in a matching manner, the inside of the protective shell 1 is isolated from outside air through the rubber ring and the rubber strip, so that the outside air carrying dust is prevented from entering the inside of the protective shell 1, the surface of the circuit board main body 2 is prevented from being adhered, the outside air containing moisture is prevented from entering the inside of the protective shell 1, the circuit board main body 2 is positioned in a dry and similar space inside the protective shell 1, so that the dust is prevented from being adhered to the surface of the circuit board main body 2 after the dust is adhered to cause short circuit board main body 2, and the service life of the circuit board is prevented from being suddenly affected when the user is used, and the user;

when a user installs a connecting wire, no installation error is found after the user finishes checking, then the cover plate 3 is pressed to push the inserted rod 5 to move towards the inside of the inserting hole 7 and the connecting block 6, the end of the inserted rod 5 is abutted against the hook block 11, the side surface of the hook block 11 is in a circular arc surface, so that the inserted rod 5 deforms and deflects towards the side surface and is inserted into the first connecting groove 8 until the inserted rod 5 moves to the inside of the hook groove 10, then the inserted rod 5 is driven to reset by the resilience of the inserted rod 5, the inserted rod 5 is in an L shape, the end of the inserted rod 5 is hooked with the groove of the hook block 11 in the hook groove 10, the cover plate 3 is fixed through the inserted rod 5, the user presses the cover plate 3 again to drive the inserted rod 5 to abut against the inner wall of the hook groove 10, as shown in figure 3, the inserted rod 5 deforms again after abutting against the inner wall of the hook groove 10, then the cover plate 3 is pulled out by the user, the inserted rod 5 is driven to move out of the connecting block 6 along the second connecting groove 9 and the inserting hole 7, then the clamping block 12 is inserted into a preset mounting hole at the mounting position, then the fixing ring 14 is sleeved on the surface of the clamping block 12, then the fixing ring 14 is rotated by ninety degrees, one diagonal line of the inner ring of the fixing ring 14 is smaller than the distance between the contact blocks 13, when the fixing ring 14 rotates, the inner wall of the fixing ring 14 is in contact with the contact blocks 13, until the fixing ring 14 rotates by ninety degrees, the inner wall of the fixing ring 14 is in contact with the contact blocks 13 to press and drive the clamping blocks 12 to deform and approach each other, the deformed clamping blocks 12 clamp the preset rod-shaped parts in the mounting hole, the device enables a user to rapidly mount and dismount the circuit board, mounting work is not needed by means of tools such as a screwdriver and a screw nut, the user can rapidly finish dismounting during overhauling, the situation that the circuit board cannot be dismounted and overhauled due to the absence of tools such as the screwdriver is avoided, and can be when needing to change the connecting wire or install the connecting wire additional, can easily take off apron 3 through pressing apron 3, supply the user to the connecting wire operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. Multilayer impedance HDI circuit board, including protective housing (1), its characterized in that: the outside of protective housing (1) is provided with circuit board main part (2), protective housing (1) is located the inside of circuit board main part (2), fixed connection between protective housing (1) and circuit board main part (2), the surface covering of circuit board main part (2) has apron (3), all fixedly connected with inserted bar (5) of the four sides side of apron (3), all fixedly connected with connecting block (6) of the four sides side of circuit board main part (2), inserted bar (5) extend to the inside of connecting block (6), two sets of grip blocks (12) of all fixedly connected with in four corners at the protective housing (1) back, the all fixedly connected with in surface of grip block (12) supports touch multitouch (13), organizes with supporting symmetry distribution between touch multitouch (13), organizes with the surface cover of grip block (12) is equipped with retainer plate (14).

2. The multilayer impedance HDI wiring board of claim 1 wherein: the edge veneer of apron (3) has the rubber circle, and the rubber circle is contradicted each other with the inner wall of circuit board main part (2), apron (3) are contradicted the frictional force that produces and are fixed through rubber circle and circuit board main part (2) inner wall.

3. The multilayer impedance HDI wiring board of claim 1 wherein: the front of apron (3) runs through and has seted up line hole (4), and the inner wall in line hole (4) is evenly glued there is the rubber strip, and the rubber strip covers line hole (4).

4. The multilayer impedance HDI wiring board of claim 1 wherein: jack (7) have been seted up in the front of connecting block (6), spread groove one (8) have been seted up to the inside one side of connecting block (6), spread groove two (9) have been seted up to the inside opposite side of connecting block (6), hook groove (10) have been seted up to the centre department of spread groove one (8) and spread groove two (9), the inside fixedly connected with hook block (11) of connecting block (6).

5. The multilayer impedance HDI wiring board of claim 4, wherein: hook block (11) are heart type, the heart type is constituteed in spread groove (8), spread groove two (9) and hook groove (10), the position of hook groove (10) is partial to one side of spread groove (8), inserted bar (5) are located the inside of hook groove (10), the end and the hook block (11) of inserted bar (5) are colluded and are taken fixedly.

6. The multilayer impedance HDI circuit board of claim 1, characterized in that: the cross section of the fixing ring (14) is rhombic, the distance between one inner ring diagonal line of the fixing ring (14) is smaller than the distance between two contact blocks (13) in the same group, and the distance between the other inner ring diagonal line of the fixing ring (14) is larger than the distance between the two contact blocks (13) in the same group.

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