CN213126857U

CN213126857U - Rigid and flexible printed circuit board

Info

Publication number: CN213126857U
Application number: CN202022033397.8U
Authority: CN
Inventors: 王恒成; 林奇星
Original assignee: Tiancheng Hengfa Circuit Board Shenzhen Co ltd
Current assignee: Tiancheng Hengfa Circuit Board Shenzhen Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-05-04
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses a rigid-flexible printed circuit board, which comprises a base, a circuit board element, a motor and a mounting rack, wherein the circuit board element is fixedly arranged at the center of the upper surface of the base, the motor is fixedly arranged at one side of the lower surface of the base, the mounting rack is fixedly arranged at one side of the base close to the motor, the output shaft of the motor is connected with the mounting rack in an alternating way, and the ash cleaning components with opposite reciprocating motion structures are arranged at two sides of the circuit board element on the base, the rigid-flexible printed circuit board provided by the utility model utilizes the opposite reciprocating motion structure, so that the automatic cleaning of the accumulated ash on the circuit board can be realized without disassembling the electronic device, the trouble of manual ash cleaning and the adverse effect on the tightness of the circuit board connection are avoided, the resetting of the device and the friction collection of the ash are realized by utilizing, so that the whole ash cleaning system is more complete.

Description

Rigid and flexible printed circuit board

Technical Field

The utility model relates to a printed circuit board technical field specifically is a rigid-flexible printed circuit board.

Background

Printed circuit boards (Printed circuit boards), also known as Printed circuit boards, are providers of electrical connection of electronic components, and the Printed circuit boards are generally represented by "PCBs" and cannot be called "PCBs", and have been developed for over 100 years; the design of the method is mainly layout design; the circuit board has the main advantages of greatly reducing errors of wiring and assembly, and improving the automation level and the production labor rate.

The printed circuit board is developed from a single layer to a double-sided board, a multilayer board and a flexible board, and is continuously developed towards high precision, high density and high reliability, the volume is continuously reduced, the cost is reduced, and the performance is continuously improved, so that the printed circuit board still keeps strong vitality in the development process of future electronic products, and the development trend of the production and manufacturing technology of the printed circuit board in the future is to be developed towards high density, high precision, fine aperture, fine lead, small spacing, high reliability, multilayering, high-speed transmission, light weight and thin type in performance.

In order to pursue performance requirements, an existing printed circuit board is often provided with high-density electrical elements, and the high-density electrical elements inevitably generate certain electromagnetic action during operation, the electromagnetic action can adsorb dust in air, and the dust is adsorbed on the electronic elements, so that on one hand, the heat dissipation capacity of the electronic elements is reduced; on the other hand, because of moisture in the dust, electronic component can become moist and even take place to corrode, and the dust adsorbs on the circuit board surface, can make the insulation resistance between adjacent printed-wiring line descend, influences the normal work of circuit, and serious still can arouse short circuit fault, and current dusting mode often need unpack working element apart for the circuit board exposes manual work again and cleans and brushes, and reciprocal dismouting is not only very troublesome, causes the stability of being connected between circuit board and the work piece to reduce easily moreover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a make the rigid flexible printed circuit board that can realize automatic deashing through subtend reciprocating motion structure 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 rigid-flexible printed circuit board, contains base, circuit board component, motor and mounting bracket, the upper surface center department fixed mounting of base has the circuit board component, lower surface one side fixed mounting of base has the motor, one side fixed mounting that the base is close to the motor has the mounting bracket, and the output shaft and the mounting bracket of motor alternate and be connected, the both sides of circuit board component are equipped with the deashing subassembly that has the opposite direction reciprocating motion structure on the base.

Preferably, the deashing subassembly includes reel, hank rope, clears away subassembly, first spring and dust collection box, one side that the motor was kept away from to the mounting bracket is rotated and is connected with the reel, and the output shaft fixed connection of reel and motor, the winding has the hank rope on the reel, sliding connection has the subassembly of clearing away on the base, one side that the reel was kept away from to the hank rope with clear away subassembly fixed connection, clear away and install first spring between the subassembly, the bilateral symmetry ground of base upper surface circuit board component rotates and is connected with the dust collection box, and clears away the effect end and the dust collection box oral area sliding contact of subassembly, the setting of deashing subassembly utilizes the effect of first spring to realize the reset of deashing back-mounting device and the friction of dust is collected for whole deashing system is more complete.

Preferably, clear away the subassembly and include the mount pad, decide board, spout, brush board, traveller and second spring, sliding connection has the mount pad on the base, and one side fixed mounting that the mount pad top is close to circuit board element has a board surely, the spout has been seted up to one side that the mount pad is close to the board surely, one side that the mount pad is close to the base upper surface is equipped with the brush board, one side fixed mounting that the brush board is close to the mount pad has the traveller, and the brush board passes through traveller and spout sliding connection, fixed mounting has the second spring on the upper surface of brush board, and the brush board passes through the second spring and decides board elastic connection for can realize the automatic clear to circuit board deposition under the condition of not unpacing apart electron device, avoid the trouble of artifical deashing and to the adverse effect of circuit board connection fastening nature.

Preferably, the edge of the port part of the dust collecting box is arc-shaped, and the friction smoothness of the collected dust is realized by utilizing the arc-shaped shape, so that the permanent damage of the brush board caused by direct hard contact is avoided.

Preferably, one side of the base, which is far away from the reel, is fixedly provided with a limiting column, so that the relative movement of the cleaning assembly is limited, the cleaning assembly is prevented from slipping off the base, and the ash removal effect is caused to be invalid.

Preferably, the brush board is close to circuit board component's one side on fixed mounting have the sponge strip, selects for use the advantage of sponge and lies in both can brushing the dust that has moisture very easily, can avoid again using brush class brush can drop on the circuit board because of the friction part when brushing the ash, produces the influence to the normal work of circuit board.

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

the utility model discloses the problem that produces in from practical application starts, the drawknot effect that utilizes the reel hank rope combines together with the spring, form the subtend reciprocating motion structure of cleaing away the subassembly, make can realize the automatic clear to circuit board deposition under the condition of not unpacing apart electronic device, the trouble of artifical deashing and the adverse effect to circuit board connection fastening nature have been avoided, the effect that utilizes the spring in the cleaing away subassembly realizes the reset of deashing after-mounting and the friction of dust is collected, make whole deashing system more complete, sponge material is chooseed for use to the brush board in addition, both can brush very easily to the dust that has moisture, use brush class brush can be because of the friction part takes off on the circuit board when brushing the ash again, produce the influence to the normal work of circuit board.

Drawings

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

FIG. 2 is a schematic view of the ash removal assembly of the present invention;

fig. 3 is a schematic view of the structure of the cleaning assembly of the present invention.

In the figure: 1. a base; 2. a circuit board element; 3. a motor; 4. a mounting frame; 5. a soot cleaning assembly; 51. a reel; 52. stranding a rope; 53. a clearing assembly; 531. a mounting seat; 532. fixing a plate; 533. a chute; 534. brushing the board; 535. a traveler; 536. a second spring; 54. a first spring; 55. a dust collecting box.

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, a rigid-flexible printed circuit board in the figure includes a base 1, a circuit board element 2, a motor 3, and a mounting bracket 4, the circuit board element 2 is fixedly mounted at the center of the upper surface of the base 1, the motor 3 is fixedly mounted at one side of the lower surface of the base 1, the mounting bracket 4 is fixedly mounted at one side of the base 1 close to the motor 3, an output shaft of the motor 3 is inserted into the mounting bracket 4, and dust removing assemblies 5 having opposite reciprocating structures are disposed at two sides of the circuit board element 2 on the base 1.

Referring to fig. 2, the ash removing assembly 5 includes a reel 51, a reel 52, a removing assembly 53, a first spring 54 and a dust collecting box 55, the reel 51 is rotatably connected to one side of the mounting frame 4 away from the motor 3, the reel 51 is fixedly connected to an output shaft of the motor 3, the reel 52 is wound on the reel 51, the removing assembly 53 is slidably connected to the base 1, one side of the reel 52 away from the reel 51 is fixedly connected to the removing assembly 53, the first spring 54 is installed between the removing assemblies 53, the dust collecting boxes 55 are rotatably connected to two sides of the upper surface circuit board element 2 of the base 1 symmetrically, an action end of the removing assembly 53 is in sliding contact with an opening of the dust collecting box 55, and the ash removing assembly 5 is arranged to realize the reset of the ash removing device and the frictional collection of dust by using the action of the first spring 54, so that the whole ash removing system is more complete.

Referring to fig. 3, the removing assembly 53 includes a mounting seat 531, a fixed plate 532, a sliding groove 533, a brush plate 534, a sliding column 535 and a second spring 536, the mounting seat 531 is slidably connected to the base 1, and a fixed plate 532 is fixedly mounted on the top of the mounting base 531 near the circuit board element 2, a sliding groove 533 is arranged on one side of the mounting seat 531 close to the fixed plate 532, a brush plate 534 is arranged on one side of the mounting seat 531 close to the upper surface of the base 1, a sliding column 535 is fixedly arranged on one side of the brush plate 534 close to the mounting seat 531, and the brush plate 534 is slidably connected to the sliding groove 533 through the sliding column 535, a second spring 536 is fixedly installed on the upper surface of the brush plate 534, and the brush plate 534 is elastically connected with the fixed plate 532 through the second spring 536, so that the dust on the circuit board can be automatically cleared without disassembling the electronic device, and the trouble of manual dust cleaning and the adverse effect on the connection tightness of the circuit board are avoided.

Referring to fig. 2, the corner of the end of the dust collecting box 55 is arc-shaped, so that the friction of the collected dust is smooth by the arc-shaped corner, thereby preventing permanent damage to the brush plate 534 due to direct hard contact.

Referring to fig. 2, a limiting post is fixedly installed on one side of the base 1 away from the reel 51 to limit the relative movement of the cleaning assembly 53, so as to prevent the cleaning assembly 53 from slipping off the base 1, which results in failure of the ash removal function.

Referring to fig. 3, the sponge strip is fixedly mounted on the side of the brush plate 534 close to the circuit board element 2, and the sponge strip is selected for use, which not only can easily remove dust with moisture, but also can prevent the influence on the normal operation of the circuit board caused by the falling of the friction part of the brush like a brush on the circuit board during dust removal.

In the scheme, the use principle of the rigid-flexible printed circuit board is as follows; firstly, the device is integrally installed in a driving part of an electric appliance, when dust is accumulated after the device runs for a long time, only the remote control motor 3 needs to be started, the reel 51 is driven to rotate, so that the winding rope 52 drives the clearing component 53 to oppositely slide relative to the base 1, the first spring 54 tightens the elastic potential energy of the accumulation, the brush plate 534 in the clearing component 53 brushes the dust on the circuit board element 2 through friction, considering that the height fluctuation exists on the board surface caused by installing various components on the circuit board element 2, the dust cleaning work is finished when the brush plate 534 cleans the dust through the sliding structure formed by the second spring 536, the sliding groove 533 and the sliding column 535, and after that, only the motor 3 needs to be remotely controlled to be turned off again, the clearing component 53 reversely slides under the elastic force releasing action of the first spring 54, when the brush plate 534 passes the installation position of the dust box 55, dust is collected into the dust box 55 by friction, and when a sufficient amount of dust is collected in the dust box 55, the appliance is turned on to clean the dust.

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 rigid-flexible printed circuit board, contains base (1), circuit board component (2), motor (3) and mounting bracket (4), the upper surface center department fixed mounting of base (1) has circuit board component (2), lower surface one side fixed mounting of base (1) has motor (3), one side fixed mounting that base (1) is close to motor (3) has mounting bracket (4), and the output shaft of motor (3) alternates with mounting bracket (4) and be connected its characterized in that: two sides of the circuit board element (2) on the base (1) are provided with ash cleaning components (5) with opposite reciprocating structures.

2. A rigid flexible printed circuit board according to claim 1, characterized in that: deashing subassembly (5) are including reel (51), hank rope (52), clear away subassembly (53), first spring (54) and dust collection box (55), one side that motor (3) were kept away from in mounting bracket (4) is rotated and is connected with reel (51), and the output shaft fixed connection of reel (51) and motor (3), the winding has hank rope (52) on reel (51), sliding connection has on base (1) and clears away subassembly (53), one side that reel (51) were kept away from in hank rope (52) with clear away subassembly (53) fixed connection, clear away and install first spring (54) between subassembly (53), the bilateral symmetry ground of base (1) upper surface circuit board component (2) rotates and is connected with dust collection box (55), and the effect end and the dust collection box (55) oral area sliding contact of clearing away subassembly (53).

3. A rigid flexible printed circuit board according to claim 2, characterized in that: the clearing component (53) comprises an installation seat (531), a fixed plate (532), a sliding chute (533), a brush plate (534), a sliding column (535) and a second spring (536), the installation seat (531) is connected on the base (1) in a sliding way, and a fixed plate (532) is fixedly arranged at one side of the top of the mounting seat (531) close to the circuit board element (2), one side of the mounting seat (531) close to the fixed plate (532) is provided with a sliding groove (533), a brush plate (534) is arranged on one side of the mounting seat (531) close to the upper surface of the base (1), a sliding column (535) is fixedly arranged on one side of the brush plate (534) close to the mounting seat (531), the brush board (534) is connected with the sliding groove (533) in a sliding way through the sliding column (535), a second spring (536) is fixedly arranged on the upper surface of the brush plate (534), and the brush plate (534) is elastically connected with the fixed plate (532) through a second spring (536).

4. A rigid flexible printed circuit board according to claim 2, characterized in that: the edge angle of the port part of the dust collection box (55) is arc-shaped.

5. A rigid flexible printed circuit board according to claim 1, characterized in that: and one side of the base (1) far away from the reel (51) is fixedly provided with a limiting column.

6. A rigid flexible printed circuit board according to claim 3, characterized in that: and a sponge strip is fixedly arranged on one side of the brush board (534) close to the circuit board element (2).