CN211090343U

CN211090343U - Anti-shaking structure of PCB

Info

Publication number: CN211090343U
Application number: CN201922403328.9U
Authority: CN
Inventors: 刘辉
Original assignee: Shenzhen Haoda Circuit Co ltd
Current assignee: Shenzhen Haoda Circuit Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-07-24
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a PCB board anti-shake structure, including the PCB base plate, the through-hole has all been opened at PCB base plate both ends, and through-hole outside screw thread installs the installed part that is used for PCB base plate and equipment inner shell installation, the utility model discloses a threaded rod in the installed part and the cooperation of rotating the cap realize the installation function the same with current screw, effectually with PCB substrate mounting on the equipment inner shell, simultaneously through the locating part in the commentaries on classics cap and the draw-in groove joint on the PCB base plate, realize preventing that the unexpected rotation of threaded rod from leading to becoming flexible to make the PCB base plate keep the state of inseparable installation always, avoid leading to the PCB base plate easy appearance shake because of the screw is not.

Description

Anti-shaking structure of PCB

Technical Field

The utility model relates to a PCB board anti-shake technical field specifically is a PCB board anti-shake structure.

Background

Pcb (printed Circuit board), which is called printed Circuit board in chinese, is an important electronic component, is a support for electronic components, and is a carrier for electrical connection of electronic components. It is called a "printed" circuit board because it is made using electronic printing.

At present, in the consumer, generally all can use the PCB circuit board, when the PCB board is installed, pass the through-hole of reserving on the PCB board through the screw usually, install it fixedly, but some great equipment of during operation vibrations, like the electric drill, the electric equipment of a class of electric scissors, when the vibrations of high frequency, it is not hard up to cause the screw of PCB board installation usefulness to appear easily, not hard up the back, when equipment vibrations, will make the PCB board take place the shake, make the component contact of its upper mounting appear not hard up or even fracture, influence equipment and use, and the life of component, for this reason, we provide a PCB board anti-shake structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent that PCB board anti-shake structure of shake itself is leaded to because of external vibration after the PCB board installation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a PCB board anti-shake structure, includes the PCB base plate, the through-hole has all been opened at PCB base plate both ends, and through-hole outside screw thread installs the installed part that is used for PCB base plate and equipment inner shell installation, realizes installing PCB base plate and equipment inner shell fixedly through the installed part to avoid the PCB base plate to receive the shake that external vibration leads to the body.

Preferably, the installed part includes the threaded rod and rotates the cap, threaded rod and through-hole threaded connection, and the threaded rod top is fixed with the rotation cap, both sides all opened L type cell bodies in the rotation cap, and L type cell bodies installs the locating part that prevents the threaded rod rotation not hard up, and the installation pole is combined with the rotation cap, can realize the installation effect of current screw, can also avoid simultaneously leading to the threaded rod not hard up because of the vibration, makes the PCB base plate shake appear.

Preferably, the locating part is including fixed interior pole, connecting plate and spring, fixed interior pole is fixed with L type cell body top inner wall, and fixed interior pole bottom outside sliding sleeve has the removal outer pole, remove the outer pole bottom and run through L type cell body, and the through-hole outside corresponds and removes the outer pole position and seted up the draw-in groove, the connecting plate is fixed with the removal outer pole top outside, and the connecting plate outer end is fixed with the baffle, the spring housing is in the fixed interior pole outside, and the spring both ends respectively with connecting plate and L type cell body top inner wall contact through removal outer pole and draw-in groove joint in the locating part to realize preventing to rotate the cap and unexpected the rotation appears, avoid the threaded rod to appear rotating promptly, make the PCB base plate after the installation, can not lead to its installation not hard up because the threaded.

Preferably, the lateral anti-slip lines are carved on the outer side of the baffle, so that friction force is increased, and the baffle is moved more labor-saving.

Preferably, the diameter of the inner diameter moving outer rod of the clamping groove is consistent, so that the clamping is more stable, and the shaking cannot occur.

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

the utility model discloses a threaded rod in the installed part and the cooperation of rotating the cap realize with the same installation function of current screw, effectual with the PCB substrate mounting on the equipment inner shell, simultaneously through the locating part in the commentaries on classics cap and the draw-in groove joint on the PCB substrate, realize preventing that the threaded rod accident from rotating and lead to becoming flexible to make the PCB substrate keep the state of closely installing always, avoid leading to the PCB substrate shake easily to appear because of the screw is not flexible.

Drawings

FIG. 1 is a schematic view of the partial sectional structure of the front view of the present invention;

fig. 2 is an enlarged sectional view taken at a in fig. 1.

In the figure, 1-PCB substrate, 2-through hole, 3-mounting piece, 4-threaded rod, 5-rotating cap, 6-L-type groove body, 7-limiting piece, 8-fixed inner rod, 9-connecting plate, 10-spring, 11-movable outer rod, 12-clamping groove and 13-baffle.

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. 1-2, the PCB anti-shaking structure shown in the figures includes a PCB substrate 1, through holes 2 are formed at both ends of the PCB substrate 1, and mounting members 3 for mounting the PCB substrate 1 and an inner casing of a device are installed at outer sides of the through holes 2 through threads, each through hole 2 is provided with one mounting member 3, and the mounting members 3 have the same effect as existing screws, so as to mount the PCB substrate 1.

The mounting piece 3 comprises a threaded rod 4 and a rotating cap 5, the threaded rod 4 and the rotating cap 5 are fixed, the same function of the existing screw is achieved, the threaded rod 4 is in threaded connection with the through hole 2, the top of the threaded rod 4 is fixed with the rotating cap 5, L-shaped groove bodies 6 are formed in two sides of the rotating cap 5, a limiting piece 7 for preventing the threaded rod 4 from rotating and loosening is installed in the L-shaped groove body 6, and the threaded rod 4 is prevented from rotating accidentally through the limiting piece 7;

locating part 7 is including fixed interior pole 8, connecting plate 9 and spring 10, fixed interior pole 8 is fixed with the 6 top inner walls of L type cell body, and 8 bottom outside sliding sleeve in fixed interior pole has and removes outer pole 11, remove that 11 bottoms of outer pole run through L type cell body 6, and the 2 outside of through-hole corresponds and remove outer pole 11 positions and seted up draw-in groove 12, connecting plate 9 is fixed with the 11 top outsides of removing outer pole, and is fixed with baffle 13 in the connecting plate 9 outer end, spring 10 covers in the 8 outsides of fixed interior pole, and spring 10 both ends respectively with the 6 top inner wall contacts of connecting plate 9 and L type cell body, through spring 10 elastic deformation production elasticity for remove outer pole 11 and draw-in groove 12 joint, thereby avoid threaded rod 4 to receive external vibration to take place unexpected the rotation.

In addition, horizontal anti-skidding line has been carved with in the baffle 13 outside for baffle 13's removal is more convenient laborsaving, and draw-in groove 12 internal diameter removes outer pole 11 diameter unanimously, makes the joint more stable.

In the scheme: when carrying out PCB base plate 1 installation, aim at through-hole 2 on the PCB base plate 1 with threaded rod 4 on the installed part 3 earlier and insert, and rotate, make PCB base plate 1 install with the equipment inner shell, when rotating installed part 3, need hold between the fingers two baffles 13, and pull to the lifting, make and remove outer pole 11 rebound, let rotate cap 5 can be completely with PCB base plate 1 surface contact, the installation is more stable, the back finishes in the installation, produce elasticity through spring 10 elastic deformation, removal outer pole 11 and draw-in groove 12 joint that make, avoid when external vibration, threaded rod 4 body can take place the unexpected rotation, make between PCB base plate 1 and the equipment inner shell not hard up, lead to its shake.

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

Claims

1. The utility model provides a PCB board anti-shake structure, includes PCB base plate (1), its characterized in that: through-hole (2) have all been opened at PCB base plate (1) both ends, and through-hole (2) outside screw thread install be used for PCB base plate (1) and equipment inner shell installation installed part (3).

2. The PCB anti-shaking structure according to claim 1, wherein the mounting piece (3) comprises a threaded rod (4) and a rotating cap (5), the threaded rod (4) is in threaded connection with the through hole (2), the top of the threaded rod (4) is fixed with the rotating cap (5), L-shaped grooves (6) are formed in two sides of the inside of the rotating cap (5), and a limiting piece (7) for preventing the threaded rod (4) from rotating and loosening is installed in the L-shaped groove (6).

3. The PCB anti-shaking structure according to claim 2, wherein the limiting part (7) comprises a fixed inner rod (8), a connecting plate (9) and a spring (10), the fixed inner rod (8) is fixed with the inner wall of the top of the L type groove body (6), a movable outer rod (11) is sleeved outside the bottom end of the fixed inner rod (8) in a sliding mode, the bottom end of the movable outer rod (11) penetrates through the L type groove body (6), a clamping groove (12) is formed in the position, corresponding to the movable outer rod (11), of the outer side of the through hole (2), the connecting plate (9) is fixed with the outer side of the top of the movable outer rod (11), a baffle (13) is fixed to the outer end of the connecting plate (9), the spring (10) is sleeved outside the fixed inner rod (8), and two ends of the spring (10) are respectively in contact with the inner walls of the tops of the connecting.

4. The PCB anti-shaking structure of claim 3, wherein: and transverse anti-slip lines are carved on the outer side of the baffle (13).

5. The PCB anti-shaking structure of claim 3, wherein: the inner diameter of the clamping groove (12) is consistent with that of the movable outer rod (11).