CN220221680U - High-precision multilayer PCB circuit board - Google Patents

Abstract

The utility model belongs to the technical field of PCB circuit boards and discloses a high-precision multilayer PCB circuit board which comprises a shell, wherein a cavity groove is formed in one side of the shell, sliding grooves are formed in two sides of the inner wall of the cavity groove, sliding blocks are connected in the sliding grooves in a sliding manner, one sides of the two sliding blocks extend into the cavity groove, one sides of the two sliding blocks extending into the cavity groove are connected with connecting plates, and a mounting plate is connected between one sides of the two connecting plates.

Description

High-precision multilayer PCB circuit board

Technical Field

The utility model belongs to the technical field of PCB circuit boards, and particularly relates to a high-precision multilayer PCB circuit board.

Background

The PCB circuit board is an important electronic component, is a support for electronic components, is a carrier for electrical interconnection of electronic components, and is called a "printed" circuit board because it is fabricated by electronic printing.

The existing high-precision multilayer PCB circuit board is easy to collide and damage when being stored, the practicality of the PCB circuit board is greatly reduced, the top of the PCB circuit board is difficult to be protected when being stored, the normal use of the PCB circuit board is easily affected due to ash falling at the top of the PCB circuit board, and the protection effect of the PCB circuit board when being stored is reduced.

Disclosure of Invention

The utility model aims to provide a high-precision multilayer PCB circuit board, which solves the problem that the existing PCB circuit board is easy to collide during storage, so that the PCB circuit board is damaged.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high-accuracy multilayer PCB circuit board, includes the casing, the cavity groove has been seted up to one side of casing, the spout has all been seted up to the inner wall both sides in cavity groove, the inside sliding connection of spout has the slider, two one side of slider all extends to the inside in cavity groove, and two slider extend to the inside one side in cavity groove all be connected with the connecting plate, two be connected with the mounting panel between one side of connecting plate, the standing groove has been seted up to one side of mounting panel; the limiting assembly is arranged between the shell and the sliding block, the limiting assembly comprises an L-shaped plate, the vertical ends of the two L-shaped plates are respectively arranged in the two sliding grooves, the other ends of the two L-shaped plates penetrate through one side of the shell, the two L-shaped plates penetrate through one end of the shell and extend to the outside of the shell, a first connecting groove matched with the vertical end of the L-shaped plate is formed in one side of the sliding block, a second connecting groove matched with the vertical end of the L-shaped plate is formed between the inner wall of the sliding groove and one side of the L-shaped plate, a clamping groove is formed in one side of the inner wall of the first connecting groove, springs are connected to two sides of the bottom of the cavity groove, one end of the top of each spring is connected with a pressing plate, and the top of each pressing plate is in contact with one side of the mounting plate; the clamping assembly is used for clamping two sides of the PCB on the placing groove and is arranged between inner walls of two sides of the mounting plate.

Preferably, the clamping assembly comprises bearings, two bearings are respectively arranged on two sides of the inner wall of the mounting plate, one sides of the two bearings are respectively connected with screws in a rotating mode, threads of the two screws are opposite in rotation direction, a torsion block is connected between one ends of the two screws, and one sides of the two screws are respectively connected with a clamping plate in a threaded mode.

Preferably, a pulling plate is connected to one end of the L-shaped plate extending to the outside of the shell.

Preferably, grooves are formed in opposite sides of the two clamping plates, and rubber pads are arranged on one side of the inside of the grooves.

Preferably, the sliding groove is communicated with the top of the shell.

Preferably, the two clamping plates are symmetrically arranged in the cavity.

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

(1) According to the utility model, the limiting component structure is arranged, the vertical end of the L-shaped plate is clamped into the clamping groove through the elasticity of the spring to enable the sliding block to be limited in the sliding groove, so that the placing groove on the mounting plate is limited in the shell, the PCB circuit board of the placing groove is protected, the top of the PCB circuit board is protected, the dust falling at the top of the PCB circuit board is prevented from affecting the normal use of the PCB circuit board, and the protection effect of the PCB circuit board during storage is improved.

(2) According to the clamping assembly structure, the screws on two sides drive the clamping plates to move towards opposite directions through the bearings by screwing the torsion blocks, so that the clamping and fixing of the PCB circuit boards with various specifications are realized, the tightness degree of the clamping plates for clamping the PCB circuit boards is convenient to adjust, the convenience of the device is greatly improved, and the clamping assembly is beneficial to the use of operators.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view at A of FIG. 1;

FIG. 3 is a front view of the housing of the present utility model;

FIG. 4 is a perspective view of a slider of the present utility model;

in the figure: 1. a housing; 2. a cavity groove; 3. a chute; 4. a slide block; 5. a connecting plate; 6. a mounting plate; 7. a placement groove; 8. a spring; 9. an L-shaped plate; 10. a first connection groove; 11. a second connecting groove; 12. a clamping groove; 13. a bearing; 14. a screw; 15. twisting blocks; 16. a clamping plate; 17. pulling a plate; 18. and (5) pressing plates.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides the following technical solutions: the utility model provides a high-precision multilayer PCB circuit board, including casing 1, cavity groove 2 has been seted up to one side of casing 1, spout 3 has all been seted up to the inner wall both sides of cavity groove 2, the inside sliding connection of spout 3 has slider 4, one side of two sliders 4 all extends to the inside of cavity groove 2, and one side that two sliders 4 extend to the inside of cavity groove 2 all is connected with connecting plate 5, be connected with mounting panel 6 between one side of two connecting plates 5, standing groove 7 has been seted up to one side of mounting panel 6; the limiting assembly is arranged between the shell 1 and the sliding block 4 and comprises L-shaped plates 9, vertical ends of the two L-shaped plates 9 are respectively arranged in the two sliding grooves 3, the other ends of the two L-shaped plates 9 penetrate through one side of the shell 1, the two L-shaped plates 9 penetrate through one end of the shell 1 and extend to the outside of the shell 1, a first connecting groove 10 matched with the vertical end of the L-shaped plate 9 is formed in one side of the sliding block 4, a second connecting groove 11 matched with the vertical end of the L-shaped plate 9 is formed between the inner wall of the sliding groove 3 and one side of the L-shaped plate 9, a clamping groove 12 is formed in one side of the inner wall of the first connecting groove 10, springs 8 are connected to two sides of the bottom of the cavity groove 2, one end of the top of each spring 8 is connected with a pressing plate 18, and the top of each pressing plate 18 is in contact with one side of the mounting plate 6; the clamping assembly is used for clamping two sides of the PCB circuit board on the placing groove 7, and is arranged between two side inner walls of the mounting plate 6.

Through the technical scheme:

specifically, when needing to deposit the PCB circuit board, at first place the PCB circuit board between the both sides inner wall of standing groove 7, afterwards push mounting panel 6 downwards, make mounting panel 6 pass through spout 3 and slider 4 and move downwards, thereby press clamp plate 18 makes spring 8 compress downwards, make connecting plate 5 and cavity 2 bottom mutual contact, thereby make first spread groove 10 and second spread groove 11 coincide mutually, promote L template 9 and make the vertical end of L template 9 get into the inside of first spread groove 10, afterwards loosen mounting panel 6, make mounting panel 6 drive slider 4 upwards move through spring 8, thereby make the vertical end of L template 9 get into draw-in groove 12, thereby carry out spacingly to slider 4, and then make mounting panel 6 spacing in the inside of cavity 2, realized protecting the PCB circuit board, and protect the top of PCB circuit board, thereby prevent that PCB circuit board top from falling grey and influencing its normal use, the protection effect when having promoted PCB circuit board and deposited.

In the present utility model, a further embodiment is provided, referring to fig. 1 and 3, the clamping assembly includes bearings 13, two bearings 13 are respectively mounted on two sides of the inner wall of the mounting plate 6, one side of each of the two bearings 13 is rotatably connected with a screw 14, the screw threads of the two screws 14 are opposite in rotation direction, a torsion block 15 is connected between one ends of the two screws 14, and one side of each of the two screws 14 is threadably connected with a clamping plate 16.

Through the technical scheme:

specifically, when the specification is too little in standing groove 7 and is difficult for fixed, place the PCB circuit board between two splint 16 in standing groove 7, afterwards rotate turn round piece 15 for two screw rods 14 rotate through bearing 13, because the screw thread of two screw rods 14 revolves to opposite, thereby make two splint 16 relative movement, make two splint 16 contact with the both sides of PCB circuit board, thereby realized pressing from both sides tightly fixedly to the PCB circuit board of multiple specification, and be convenient for adjust the elasticity degree of splint 16 centre gripping PCB circuit board, promoted the convenience of device greatly, be favorable to operating personnel's use.

Referring to fig. 1 and 3, one end of the l-shaped plate 9 extending to the outside of the housing 1 is connected with a pull plate 17, opposite sides of the two clamping plates 16 are both provided with grooves, one side of the inside of the grooves is provided with a rubber pad, the sliding groove 3 is communicated with the top of the housing 1, and the two clamping plates 16 are symmetrically arranged in the cavity groove 2.

Through the technical scheme:

specifically, be convenient for through setting up pulling plate 17 pulling L template 16, stability when can promoting the PCB board through setting up the recess and deposit, can protect the both sides of PCB board through setting up the rubber pad, link up each other between the top through spout 3 and casing 1, can realize separating mounting panel 6 casing 1 fast, set up the space utilization that can promote standing groove 7 through two splint 16 in the inside symmetry of cavity groove 2.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (6)

1. A high-precision multilayer PCB circuit board is characterized in that: comprising

The novel portable electronic device comprises a shell (1), wherein a cavity groove (2) is formed in one side of the shell (1), sliding grooves (3) are formed in two sides of the inner wall of the cavity groove (2), sliding blocks (4) are connected in the sliding grooves (3) in a sliding manner, one sides of the two sliding blocks (4) extend to the inside of the cavity groove (2), connecting plates (5) are connected to one side of the two sliding blocks (4) extending to the inside of the cavity groove (2), a mounting plate (6) is connected between one sides of the two connecting plates (5), and a placing groove (7) is formed in one side of the mounting plate (6);

the limiting component is arranged between the shell (1) and the sliding block (4), the limiting component comprises L-shaped plates (9), vertical ends of the L-shaped plates (9) are respectively arranged in two sliding grooves (3), the other ends of the two L-shaped plates (9) penetrate through one side of the shell (1), the two L-shaped plates (9) penetrate through one end of the shell (1) and extend to the outside of the shell (1), a first connecting groove (10) matched with the vertical end of the L-shaped plate (9) is formed in one side of the sliding block (4), a second connecting groove (11) matched with the vertical end of the L-shaped plate (9) is formed between the inner wall of the sliding groove (3) and one side of the L-shaped plate (9), a clamping groove (12) is formed in one side of the inner wall of the first connecting groove (10), springs (8) are connected to two sides of the bottom of the cavity groove (2), one end of the top of each spring (8) is connected with a pressing plate (18), and one side of the top of each pressing plate (18) is contacted with one side of the mounting plate (6).

The clamping assembly is used for clamping two sides of the PCB on the placing groove (7), and is arranged between two side inner walls of the mounting plate (6).

2. The high-precision multilayer PCB of claim 1, wherein: the clamping assembly comprises bearings (13), two bearings (13) are respectively arranged on two sides of the inner wall of the mounting plate (6), one sides of the two bearings (13) are respectively connected with screw rods (14) in a rotating mode, threads of the two screw rods (14) are opposite in rotation direction, a torsion block (15) is connected between one ends of the two screw rods (14), and one sides of the two screw rods (14) are respectively connected with a clamping plate (16) in a threaded mode.

3. The high-precision multilayer PCB of claim 1, wherein: one end of the L-shaped plate (9) extending to the outside of the shell (1) is connected with a pull plate (17).

4. The high-precision multilayer PCB of claim 2, wherein: grooves are formed in opposite sides of the two clamping plates (16), and rubber pads are arranged on one side of the inner portion of each groove.

5. The high-precision multilayer PCB of claim 2, wherein: the sliding groove (3) is communicated with the top of the shell (1).

6. The high-precision multilayer PCB of claim 2, wherein: the two clamping plates (16) are symmetrically arranged in the cavity groove (2).