CN213462727U

CN213462727U - High-density single-sided circuit board

Info

Publication number: CN213462727U
Application number: CN202022658614.2U
Authority: CN
Inventors: 刘玲
Original assignee: Juxin Electronic Technology Meizhou Co ltd
Current assignee: Juxin Electronic Technology Meizhou Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-06-15
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses a high-density single-sided circuit board, including base plate and installation mechanism, installation mechanism installs at the installation face, the base plate is detachable to be installed in installation mechanism, installation mechanism includes bottom plate, pressure strip, cardboard and elastic component, elastic component includes fixed flange, dead lever and movable spring, the bottom plate passes through the fix with screw at the installation face, the base plate both ends are provided with the rectangle draw-in groove, two "L" types the pressure strip is installed in the base plate both sides, the cardboard is fixed at pressure strip front end rear surface and is located the rectangle draw-in groove, the dead lever is fixed at the pressure strip tip; the utility model discloses a be provided with installation mechanism, neither influence the base plate work, can realize the fastening installation of base plate again, relative screw installation reduces the loaded down with trivial details trouble of installation and dismantlement, saves installation time, and the outside radiating efficiency of circuit board is improved to the distance of multiplicable base plate and installation face simultaneously increase circulation of air relatively.

Description

High-density single-sided circuit board

Technical Field

The utility model belongs to the technical field of the circuit board, concretely relates to high density single face circuit board.

Background

The circuit board is also called as a circuit board, and is a flexible printed circuit board which is made of polyimide or polyester film as a base material and has high reliability and excellent performance. The high-density light-weight LED lamp has the characteristics of high wiring density, light weight, thin thickness and good bending property. Circuit boards are classified into three major categories, single-sided boards, double-sided boards, and multilayer circuit boards, depending on the number of layers.

The existing circuit boards are usually fixed on a mounting surface through screws, so that the circuit boards are troublesome to disassemble, and meanwhile, the distance between the circuit boards mounted through the screws and the mounting surface is short, so that the heat dissipation problem is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high density single face circuit board to solve some circuit boards that propose among the above-mentioned background art and pass through the fix with screw usually at the installation face, cause the circuit board to dismantle comparatively loaded down with trivial details, the distance is nearer between screw installation circuit board and the installation face simultaneously, is unfavorable for its radiating problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high density single face circuit board, includes base plate and installation mechanism, installation mechanism installs at the installation face, the base plate is detachable to be installed in installation mechanism, installation mechanism includes bottom plate, pressure strip, cardboard and elastic component, elastic component includes fixed flange, dead lever and movable spring, the bottom plate passes through the fix with screw at the installation face, the base plate both ends are provided with the rectangle draw-in groove, two "L" types the pressure strip is installed in the base plate both sides, the cardboard is fixed at pressure strip front end rear surface and is located the rectangle draw-in groove, the dead lever is fixed at the pressure strip tip, the pressure strip passes through fixed flange and movable spring and dead lever elastic connection.

Preferably, the end of the fixed rod is fixed with a limiting plate, the fixed convex plate is vertically fixed on the surface of the rear end of the pressing plate, the fixed convex plate is movably sleeved on the fixed rod, the movable spring is sleeved on the fixed rod, and the two ends of the movable spring are respectively fixed on the surfaces of the fixed convex plate and the limiting plate.

Preferably, a filling layer is fixed on the front end and the rear surface of the compression plate, and the filling layer is rubber in compression contact with the surface of the substrate.

Preferably, the bottom plate is "ten" style of calligraphy, just the bottom plate upper surface is fixed with the support column along its length, the support column is the heat conduction silica gel of tip and base plate rear surface contact.

Preferably, the detachable protection component that installs of base plate front surface, protection component includes the protection network, inlays board, construction bolt and cushion, the protection network is located the base plate dead ahead, just the embedding board is installed in the middle of the protection network embedding, the construction bolt screw thread closes soon and passes and inlays board and tip screw thread and close soon and stretch into in the base plate.

Preferably, a cushion block is fixed on the rear surface of the protective net, and the cushion block is a rubber block in contact with the surface of the substrate.

Preferably, a rectangular pull ring is vertically fixed on the front surface of the pressing plate, an electronic element is mounted on the surface of the substrate, and a heat dissipation paste is arranged between the rectangular pull ring and the substrate.

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

(1) the utility model discloses a be provided with installation mechanism, neither influence the base plate work, can realize the fastening installation of base plate again, relative screw installation reduces the loaded down with trivial details trouble of installation and dismantlement, saves installation time, and the outside radiating efficiency of circuit board is improved to the distance of multiplicable base plate and installation face simultaneously increase circulation of air relatively.

(2) The utility model discloses a be provided with protection component, neither influence circuit board work and outside heat dissipation, can play certain guard action to electronic component above that again, reduce its external shock that receives relatively, and the subassembly is convenient for install and dismantle.

Drawings

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

FIG. 2 is an enlarged view of a portion of the mounting mechanism of the present invention from the bottom;

FIG. 3 is an enlarged cross-sectional view of A in FIG. 2 according to the present invention;

FIG. 4 is a right enlarged partial view of the protective assembly of the present invention;

in the figure: 1. a substrate; 2. an installation mechanism; 21. a base plate; 22. a compression plate; 23. clamping a plate; 3. a guard assembly; 31. a protective net; 32. a built-in plate; 33. installing a bolt; 34. cushion blocks; 4. fixing the convex plate; 5. fixing the rod; 6. a movable spring; 7. a support pillar; 8. and (5) filling the layer.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a high-density single-sided circuit board comprises a substrate 1 and an installation mechanism 2, wherein the installation mechanism 2 is installed on an installation surface, the substrate 1 is detachably installed in the installation mechanism 2, the installation mechanism 2 comprises a bottom plate 21, a pressing plate 22, a clamping plate 23 and an elastic component, the elastic component comprises a fixed convex plate 4, a fixed rod 5 and a movable spring 6, the bottom plate 21 is fixed on the installation surface through screws, two ends of the substrate 1 are provided with rectangular clamping grooves, two L-shaped pressing plates 22 are installed on two sides of the substrate 1, the clamping plate 23 is fixed on the rear surface of the front end of the pressing plate 22 and is positioned in the rectangular clamping groove, the fixed rod 5 is fixed at the end part of the pressing plate 22, the pressing plate 22 is elastically connected with the fixed rod 5 through the fixed convex plate 4 and the movable spring 6, through the installation mechanism 2, the work of the substrate 1, the installation time is saved, the distance between the substrate 1 and the installation surface can be increased, the air circulation is increased, and the outward heat dissipation efficiency of the circuit board is relatively improved.

In this embodiment, preferably, a limiting plate is fixed at the end of the fixed rod 5, the fixed convex plate 4 is vertically fixed on the surface of the rear end of the pressing plate 22, the fixed convex plate 4 is movably sleeved on the fixed rod 5, the movable spring 6 is sleeved on the fixed rod 5, the pressing force of the pressing plate 22 on the base plate 1 can be increased by using the movable spring 6, so as to increase the installation tightness of the base plate 1, and two ends of the movable spring 6 are respectively fixed on the surfaces of the fixed convex plate 4 and the limiting plate.

In this embodiment, preferably, the front end and the rear surface of the pressing plate 22 are fixed with the filling layer 8, the filling layer 8 is rubber which is in pressing contact with the surface of the substrate 1, and the filling layer 8 can relatively increase the pressing force on the substrate 1.

In this embodiment, preferably, the bottom plate 21 is in a cross shape, the supporting columns 7 are fixed on the upper surface of the bottom plate 21 along the length of the bottom plate, the supporting columns 7 are heat-conducting silica gel with ends contacting with the rear surface of the substrate 1, and the bottom plate 21 is combined with the supporting columns 7, so that the mounting stability of the substrate 1 is improved, and the circuit board is convenient to radiate heat outwards.

In this embodiment, preferably, the protection component 3 is detachably installed on the front surface of the substrate 1, the protection component 3 includes a protection net 31, an embedded plate 32, a mounting bolt 33 and a cushion block 34, the protection net 31 is located right in front of the substrate 1, the embedded plate 32 is installed in the middle of the protection net 31 in an embedded manner, the mounting bolt 33 is screwed to penetrate through the embedded plate 32 and extend into the substrate 1, the cushion block 34 is fixed on the rear surface of the protection net 31, the cushion block 34 is a rubber block in surface contact with the substrate 1, through the protection component 3, the work of a circuit board and the outward heat dissipation are not affected, a certain protection effect can be performed on an electronic element on the protection net, the external force impact on the electronic element is relatively reduced, and the component is convenient to install and disassemble.

In this embodiment, preferably, a rectangular pull ring is vertically fixed on the front surface of the pressing plate 22, so that the pressing plate 22 is driven to move by pulling the rectangular pull ring, the electronic component is mounted on the surface of the substrate 1, and the thermal grease is disposed between the electronic component and the substrate.

The utility model discloses a theory of operation and use flow: when the utility model is used, the bottom plate 21 can be fixed on the mounting surface by screws, at the moment, the two rectangular pull rings can be pulled forwards to drive the pressing plate 22 and the fixed convex plate 4 to move forwards along the fixed rod 5, the movable spring 6 is gradually compressed, and the vertical distance between the supporting column 7 and the clamping plate 23 is larger than that between the substrate 1, the substrate 1 can be placed above the supporting column 7, and the rectangular clamping groove is aligned with the clamping plate 23, the rectangular pull ring is loosened, the movable spring 6 restores elasticity to drive the pressing plate 22 to move backwards until the clamping plate 23 is embedded into the rectangular clamping groove, meanwhile, the filling layer 8 is compressed, and the installation mechanism 2 is arranged, so that the work of the substrate 1 is not influenced, the fastening and installation of the substrate 1 can be realized, the complex trouble of installation and disassembly is reduced compared with the installation of screws, the installation time is saved, meanwhile, the distance between the substrate 1 and the mounting surface can be increased, the air circulation is increased, and the outward heat dissipation efficiency of the circuit board is relatively improved; the protection component 3 can be fastened and mounted on the substrate 1 through the mounting bolt 33, the end of the cushion block 34 is in contact with the surface of the substrate 1, and a distance for placing electronic elements is reserved between the protective net 31 and the substrate 1, so that the work of the circuit board and the outward heat dissipation are not influenced, the electronic elements on the circuit board can be protected to a certain extent, and the external force impact on the electronic elements is relatively reduced.

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. A high-density single-sided wiring board comprising a substrate (1) and a mounting mechanism (2), characterized in that: the mounting mechanism (2) is mounted on a mounting surface, the substrate (1) is detachably mounted in the mounting mechanism (2), the mounting mechanism (2) comprises a bottom plate (21), a pressing plate (22), a clamping plate (23) and an elastic assembly, the elastic assembly comprises a fixed convex plate (4), a fixed rod (5) and a movable spring (6), the bottom plate (21) is fixed on the mounting surface through screws, rectangular clamping grooves are formed in two ends of the substrate (1), the pressing plate (22) is mounted on two sides of the substrate (1) in two L shapes, the clamping plate (23) is fixed on the rear surface of the front end of the pressing plate (22) and located in the rectangular clamping grooves, the fixed rod (5) is fixed at the end of the pressing plate (22), and the pressing plate (22) is elastically connected with the fixed rod (5) through the fixed convex plate (4) and the movable spring (6).

2. A high-density single-sided wiring board according to claim 1, characterized in that: dead lever (5) end fixing has a limiting plate, fixed flange (4) vertical fixation is on pressure strip (22) rear end surface, just fixed flange (4) activity cover is established on dead lever (5), activity spring (6) cover is established on dead lever (5), and activity spring (6) both ends are fixed respectively on fixed flange (4) and limiting plate surface.

3. A high-density single-sided wiring board according to claim 1, characterized in that: and a filling layer (8) is fixed on the front end and the rear surface of the compression plate (22), and the filling layer (8) is rubber which is in extrusion contact with the surface of the substrate (1).

4. A high-density single-sided wiring board according to claim 1, characterized in that: bottom plate (21) are "ten" style of calligraphy, just bottom plate (21) upper surface is fixed with support column (7) along its length, support column (7) are the heat conduction silica gel of tip and base plate (1) rear surface contact.

5. A high-density single-sided wiring board according to claim 1, characterized in that: protection component (3) are detachably installed to base plate (1) front surface, protection component (3) include protection network (31), embedding board (32), construction bolt (33) and cushion (34), protection network (31) are located base plate (1) dead ahead, just embedding board (32) are installed in the middle of protection network (31) embedding, construction bolt (33) screw thread closes soon and passes embedding board (32) and tip screw thread closes soon and stretch into in base plate (1).

6. The high-density single-sided wiring board according to claim 5, wherein: cushion blocks (34) are fixed on the rear surfaces of the protective nets (31), and the cushion blocks (34) are rubber blocks in contact with the surfaces of the substrates (1).

7. A high-density single-sided wiring board according to claim 1, characterized in that: a rectangular pull ring is vertically fixed on the front surface of the pressing plate (22), an electronic element is mounted on the surface of the substrate (1), and heat dissipation paste is arranged between the electronic element and the substrate.