CN215379533U - Anti-loosening PCBA (printed circuit board assembly) - Google Patents

Abstract

The utility model discloses a loose-proof PCBA board, which comprises a PCBA board, a mounting board and a plurality of positioning columns arranged on the mounting board, wherein a plurality of positioning holes are formed in the PCBA board, the PCBA board is placed on the mounting board through the positioning columns by penetrating through the positioning holes, annular grooves for clamping are formed in the positioning columns, fixing lantern rings are arranged on the PCBA board and correspond to the annular grooves, a plurality of fixing columns are arranged in the fixing lantern rings, function shells are arranged on the fixing lantern rings, driving components are arranged on the function shells, the loose-proof PCBA board is different from the prior art, in the actual use process, the fixing column clamping annular grooves are pushed out through the function shells in a rotating mode, the PCBA board is fixed, when the loose-proof PCBA board is removed, the function shells only need to be rotated to pull back the fixing columns to remove the fixation, the device is simple and convenient to operate, threaded connection is not needed, and the damage of repeated disassembly and assembly is avoided, resulting in loosening of the PCBA board.

Description

Anti-loosening PCBA (printed circuit board assembly)

Technical Field

The utility model relates to the technical field of PCBA boards, in particular to an anti-loosening PCBA board.

Background

The printed circuit board, also known as printed circuit board, often uses english abbreviation PCB, is an important electronic component, is the support body of electronic component, is the provider of electronic components circuit connection, and PCBA is the whole process that the PCB blank board passes through SMT and then DIP plug-in components.

At present, along with the development of electronic technology and the application and popularization of integrated circuit, the application to the PCBA board is increasingly extensive, and installation PCBA board adopts the screw to pass through the fixed PCBA board of threaded connection with the tube-shape spliced pole on its mounting panel usually, and electronic product need overhaul sometimes, this just needs to carry out the dismouting to the PCBA board, however mounting panel and spliced pole injection moulding product as an organic whole usually, it is unfixed to relapse the dismouting to cause spliced pole internal thread to damage the connection, cause the PCBA board to become flexible, for this reason, we propose a locking dynamic formula PCBA board.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-loose PCBA to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a locking type PCBA comprises a PCBA, a mounting plate and a plurality of positioning columns arranged on the mounting plate, wherein a plurality of positioning holes are formed in the PCBA, and the PCBA penetrates through the positioning holes through the positioning columns and is placed on the mounting plate;

an annular groove used for clamping is formed in the positioning column, a fixing lantern ring is arranged on the PCBA corresponding to the annular groove, a plurality of fixing columns are arranged in the fixing lantern ring, and the PCBA is fixed by the fact that the fixing columns extend out to be clamped with the annular groove;

the fixing device is characterized in that a function shell is arranged on the fixing sleeve ring, a driving assembly is arranged on the function shell, and the driving assembly is driven by rotating the function shell to enable the fixing column to extend out.

Preferably, the driving assembly comprises push rods arranged on each fixing column, an arc-shaped guide groove is formed in one end, far away from the fixing column, of each push rod, the arc-shaped guide grooves are formed in the function shell, and the function shell rotates to drive the arc-shaped guide grooves to rotate to drive the push rods to push the fixing columns.

Preferably, the fixed lantern ring is provided with a function spring, the other end of the function spring is connected with the function shell, and the function shell is driven to rotate through the elasticity of the function spring so that the fixed column is in an extending state.

Preferably, the fixed lantern ring is provided with a function groove, the function groove is internally provided with a limiting spring, the other end of the limiting spring is provided with a limiting block, the limiting block extends out of the function groove all the time under the elastic force of the limiting spring, the function shell is provided with a limiting hole, and the limiting block is slidably inserted into the limiting hole.

Preferably, a clamping groove is formed in the fixing sleeve ring, a clamping block matched with the clamping groove is arranged on the functional shell, and the clamping block can slide in the clamping groove.

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

the PCBA board is placed on the mounting plate through the positioning hole by the positioning column in the actual use process, then the locking of the limiting block and the limiting hole is released, the function shell automatically pushes out the fixing column clamping annular groove under the action of the function spring, the PCBA board is fixed, if the PCBA board needs to be dismounted, the function shell is only required to be rotated to pull back the fixing column to release the fixing, and the function shell is rotated until the limiting block is inserted and locked with the limiting hole, so that the device is simple and convenient to operate, threaded connection is not needed, and the phenomenon that threads are damaged due to repeated dismounting and mounting is avoided, and the PCBA board is loosened is avoided.

Drawings

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

FIG. 2 is a schematic view of a positioning post structure according to the present invention;

FIG. 3 is a schematic view of the present invention in partial cross-section;

FIG. 4 is a schematic view of the present invention in partial cross-section of FIG. 3;

FIG. 5 is a schematic view of the cross-sectional structure of FIG. 4 according to the present invention.

In the figure: 1-PCBA board; 2-mounting a plate; 3-a positioning column; 31-an annular groove; 4-positioning holes; 5-fixing a lantern ring; 51-functional spring; 52-a functional tank; 53-limit spring; 54-a limiting block; 55-a limiting hole; 56-fixed column; 6-functional shell; 61-a protective cover; 7-a drive assembly; 71-a push rod; 72-arc guide groove; 8-a clamping groove; 9-clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a kind of anti-loose PCBA board, including PCBA board 1 and mounting panel 2 and multiple locating columns 3 set in mounting panel 2, PCBA board 1 and mounting panel 2 and locating column 3 adopt the structural design of the prior art, do not do too much to describe here;

the PCBA board 1 is provided with a plurality of positioning holes 4 for placing the PCBA board 1 on the mounting plate 2 corresponding to the positioning columns 3, the positioning columns 3 are provided with annular grooves 31 for clamping, the PCBA board 1 is fixedly provided with fixed lantern rings 5 corresponding to the annular grooves 31, and a plurality of fixed columns 56 are arranged in the fixed lantern rings 5 through sliding grooves and used for clamping with the annular grooves 31;

fixed lantern ring 5 goes up slidable mounting has function shell 6, be provided with drive assembly 7 on the function shell 6, drive assembly 7 includes that every fixed column 56 keeps away from 4 one end fixed mounting of locating hole has push rod 71, set up a plurality of arc guide ways 72 that use with push rod 71 cooperation respectively on the function shell 6, through function shell 6 rotates and drives arc guide way 72 and rotate to drive push rod 71 promotes fixed column 56, fixed mounting has visor 61 on the function shell 6.

Further, still install function spring 51 through the spout on the fixed lantern ring 5, the function spring 51 other end is connected with function shell 6 through the pivot for drive function shell 6 rotates.

Further, a function groove 52 is further formed in the side wall of the fixing sleeve ring 5, a limiting block 54 is slidably mounted in the function groove 52, a limiting spring 53 is fixedly mounted between the bottom of the function groove 52 and the limiting block 54, the limiting block 54 is driven to slide out through the elasticity of the limiting spring 53, a limiting hole 55 is formed in the function shell 6, and the limiting block 54 is slidably inserted into the limiting hole 55.

Furthermore, the bottom of the fixed lantern ring 5 is further provided with a clamping groove 8, a clamping block 9 matched with the clamping groove 8 for use is arranged on the functional shell 6, and the clamping block 9 can slide in the clamping groove 8.

In the use, when installation PCBA board 1, pass through reference column 3 corresponding locating hole 4, thereby place PCBA board 1 on mounting panel 2, then remove stopper 54 and spacing hole 55 locking, under the effect of functional spring 51, function shell 6 is automatic to be released fixed column 56 joint annular groove 31, thereby fixed PCBA board 1, if need demolish, only need rotate function shell 6 and pull back fixed column 56 and remove the locking, function shell 6 rotate to stopper 54 with spacing hole 55 insert the locking can, this device is easy and simple to handle, and need not pass through threaded connection, avoid repeated dismouting and damage the screw thread, lead to PCBA board 1 not hard up.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a locking dynamic formula PCBA board, includes PCBA board (1) and mounting panel (2) and sets up a plurality of reference columns (3) on mounting panel (2), its characterized in that: a plurality of positioning holes (4) are formed in the PCBA (printed circuit board assembly) board (1), and the PCBA board (1) is placed on the mounting plate (2) through the positioning holes (4) by the positioning columns (3);

an annular groove (31) used for clamping is formed in the positioning column (3), a fixing sleeve ring (5) is arranged on the PCBA (printed circuit board assembly) board (1) and corresponds to the annular groove (31), a plurality of fixing columns (56) are arranged in the fixing sleeve ring (5), and the PCBA board (1) is fixed by the fact that the fixing columns (56) extend out to be clamped with the annular groove (31);

the fixing device is characterized in that a function shell (6) is arranged on the fixing sleeve ring (5), a driving assembly (7) is arranged on the function shell (6), and the fixing column (56) is extended out by rotating the function shell (6) to drive the driving assembly (7).

2. A tamper-resistant PCBA panel in accordance with claim 1, wherein: the driving assembly (7) comprises push rods (71) arranged on each fixing column (56), an arc-shaped guide groove (72) is formed in one end, far away from the fixing column (56), of each push rod (71), the arc-shaped guide groove (72) is formed in the functional shell (6), and the functional shell (6) rotates to drive the arc-shaped guide groove (72) to rotate to drive the push rods (71) to push the fixing columns (56).

3. A tamper-resistant PCBA panel in accordance with claim 2, wherein: the fixing sleeve ring (5) is provided with a functional spring (51), the other end of the functional spring (51) is connected with the functional shell (6), and the functional shell (6) is driven to rotate through the elasticity of the functional spring (51) so that the fixing column (56) is in an extending state.

4. A tamper-resistant PCBA panel in accordance with claim 3, wherein: the fixing sleeve ring is characterized in that a function groove (52) is formed in the fixing sleeve ring (5), a limiting spring (53) is arranged in the function groove (52), a limiting block (54) is arranged at the other end of the limiting spring (53), the limiting block (54) extends out of the function groove (52) all the time under the elastic force of the limiting spring (53), a limiting hole (55) is formed in the function shell (6), and the limiting block (54) can be inserted into the limiting hole (55) in a sliding mode.

5. A tamper-resistant PCBA plate as claimed in claim 4, in which: the fixing sleeve ring (5) is provided with a clamping groove (8), the functional shell (6) is provided with a clamping block (9) matched with the clamping groove (8) for use, and the clamping block (9) can slide in the clamping groove (8).

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