CN215991639U

CN215991639U - Anti-bending protection mechanism of HDI circuit board

Info

Publication number: CN215991639U
Application number: CN202121775295.1U
Authority: CN
Inventors: 詹涛
Original assignee: Meizhou Benchuang Electronics Co ltd
Current assignee: Meizhou Benchuang Electronics Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-03-08
Anticipated expiration: 2031-08-02

Abstract

The utility model relates to the technical field of HDI circuit boards, and discloses an anti-bending protection mechanism of an HDI circuit board, wherein a clamping groove is formed in one side wall of a fixed plate, a groove is formed in one side wall of the clamping groove, the circuit board is clamped in the inner wall of the clamping groove, a through hole is formed in an end corner of the circuit board, a clamping rod is clamped in the inner wall of the through hole, the top of the clamping rod is clamped in the inner wall of the groove, a movable rod is welded at the bottom end of the clamping rod and is slidably connected to the top of the fixed plate, a first spring is sleeved on the outer wall of the upper portion of the movable rod, a pressing plate is welded at the top end of the movable rod, rotating columns rotatably connected to the fixed plate are arranged on the upper side and the lower side of the clamping groove, a sliding groove is formed in the front portion of each rotating column, a sliding block is slidably connected to the inner portion of the sliding groove, a second spring is arranged at the bottom of the sliding block, a telescopic rod is welded on the top surface of the sliding block, a connecting block is rotatably connected to a connecting block, and an arch-shaped plate is fixedly connected to the top of the connecting block, the bending resistance of the structure is improved, and the circuit board is convenient to disassemble.

Description

Anti-bending protection mechanism of HDI circuit board

Technical Field

The utility model belongs to the technical field of HDI circuit boards, and particularly relates to an anti-bending protection mechanism of an HDI circuit board.

Background

HDI is a High Density Interconnect (HDI) fabricated printed circuit board that is a structural element formed with an insulating material assisted by conductor wiring. Printed circuit boards are manufactured as end products with integrated circuits, transistors (transistors, diodes), passive components (e.g., resistors, capacitors, connectors, etc.), and other various electronic components mounted thereon. The connection of the wires can form the connection of electronic signals and the proper function. Thus, the printed circuit board is a platform for providing component connection to receive the substrate of the associated component.

The current circuit board lacks protection mechanism more, and the installation is impaired because of external collision easily, and current circuit board all adopts the screw fixation, because under the screw volume, the installation is inconvenient, and demolishs and makes easy smooth tooth, for solving the above-mentioned problem that proposes, provides the anti-bending protection mechanism of HDI circuit board.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problem, the anti-bending protection mechanism of the HDI circuit board is provided.

The technical scheme adopted by the utility model is as follows: an anti-bending protection mechanism of a HDI circuit board, wherein a clamping groove is formed in one side wall of a fixed plate, a groove is formed in one side wall of the clamping groove, the circuit board is clamped on the inner wall of the clamping groove, a through hole is formed in an end corner of the circuit board, a clamping rod is clamped on the inner wall of the through hole, the top of the clamping rod is clamped on the inner wall of the groove, a movable rod is welded at the bottom end of the clamping rod and is slidably connected to the top of the fixed plate, a first spring is sleeved on the outer wall of the upper portion of the movable rod, a pressing plate is welded at the top end of the movable rod, rotating columns rotatably connected to the fixed plate are arranged on the upper side and the lower side of the clamping groove, a sliding groove is formed in the front of each rotating column, a sliding block is slidably connected to the inside of the sliding groove, a second spring is arranged at the bottom of the sliding block, a telescopic rod is welded on the top surface of the sliding block, and a connecting block is rotatably connected to the top end of the telescopic rod, the top fixedly connected with arch shaped plate of connecting block, the tip fixed connection of arch shaped plate is in on the lateral wall of fixed plate.

In a preferred embodiment, the number of the fixing plate and the number of the clamping grooves are two, the formed structures are respectively arranged on the left side and the right side of the circuit board, and the width of the clamping groove is matched with the thickness of the circuit board.

In a preferred embodiment, the number of the through holes is four, the through holes are respectively arranged at four corners of the circuit board, and the diameter of each through hole is matched with that of the clamping rod.

In a preferred embodiment, the number of the grooves, the clamping rods, the movable rods, the first springs and the pressing plates is four, every two of the formed structures are a group and are respectively arranged on the left side and the right side of the top surface of the fixing plate, and the diameters of the grooves are matched with the diameters of the clamping rods.

In a preferred embodiment, the number of the arch plates and the connecting blocks is ten, and the combined structure of five arch plates and five connecting blocks is symmetrically arranged on the upper side and the lower side of the circuit board.

In a preferred embodiment, the number of the rotating column, the sliding block, the second spring, the sliding groove and the telescopic rod is twenty, every two of the rotating column, the sliding block, the second spring, the sliding groove and the telescopic rod are respectively arranged in a group and symmetrically arranged on the left side and the right side of the connecting block, and the diameter of the outer wall of the sliding block is matched with the diameter of the sliding groove.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, when the structure is subjected to external force, the surface force is dispersed by using the curved surface structure of the arch-shaped plate, so that the surface stress is more uniform, and meanwhile, when the arch-shaped plate is deformed under stress, the sliding block of the telescopic rod is used for compressing the second spring in the sliding groove of the rotating column, the impact force of the elastic buffering force of the second spring is used, the structures are mutually matched, so that the bending resistance of the circuit board is improved, and the circuit board is protected.

2. According to the utility model, the press plate is pressed, the movable rod moves downwards to drive the clamping rod to move downwards to be separated from the clamping groove and the through hole of the circuit board, then the circuit board is pulled, the circuit board can be quickly pulled out by utilizing the clamping groove of the fixed plate, the circuit board is conveniently and quickly disassembled, in addition, during installation, the press plate is pressed firstly, the clamping rod moves downwards, then the circuit board slides into the clamping groove, the left position and the right position of the circuit board are fixed, after the press plate is in place, the clamping rod automatically penetrates through the through hole of the circuit board to be clamped into the clamping groove by utilizing the elasticity of the first spring, the clamping rod can be ensured not to be separated from the clamping groove, the front position and the rear position of the circuit board are fixed, the original screw connection structure is cancelled, and the quick disassembly and assembly are convenient.

Drawings

FIG. 1 is a schematic representation of the three-dimensional structure of the present invention;

FIG. 2 is a schematic diagram of the top view internal structure of the present invention;

FIG. 3 is a schematic diagram of the front view internal structure of the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 3 according to the present invention;

FIG. 5 is an enlarged view of FIG. 3 at B.

The labels in the figure are: 1-fixed plate, 2-clamping groove, 3-groove, 4-circuit board, 5-through hole, 6-clamping rod, 7-movable rod, 8-first spring, 9-pressing plate, 10-rotating column, 11-sliding groove, 12-sliding block, 13-second spring, 14-telescopic rod, 15-connecting block and 16-arch plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all 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, an anti-bending protection mechanism for an HDI circuit board, a side wall of a fixing plate 1 is provided with a slot 2, a left side and a right side of the circuit board 4 are fixed by the slot 2, a side wall of the slot 2 is provided with a groove 3, the inner wall of the slot 2 is clamped with the circuit board 4, the fixing plate 1 and the slot 2 are two in number, the formed structure is respectively arranged at the left side and the right side of the circuit board 4, the width of the slot 2 is matched with the thickness of the circuit board 4, end corners of the circuit board 4 are provided with through holes 5, the number of the through holes 5 is four, the through holes 5 are respectively arranged at the four end corners of the circuit board 4, the diameter of the through holes 5 is matched with the diameter of clamping rods 6, the inner wall of the through holes 5 is clamped with clamping rods 6, the front and back positions of the circuit board 4 can be fixed by matching the through holes 5 of the circuit board 6 with the slot 2, the top of the clamping rods 6 is clamped at the inner wall of the groove 3, the bottom end of the clamping rod 6 is welded with a movable rod 7, the movable rod 7 is connected to the top of the fixed plate 1 in a sliding manner, the outer wall of the upper part of the movable rod 7 is sleeved with a first spring 8, the clamping rod 6 is prevented from separating from the clamping groove 2 by the elasticity of the first spring 8, the top end of the movable rod 7 is welded with a pressing plate 9, the maximum downward sliding range of the movable rod 7 can be limited by the pressing plate 9, the number of the grooves 3, the clamping rod 6, the movable rod 7, the first spring 8 and the pressing plate 9 is four, each two of the formed structures are respectively arranged on the left side and the right side of the top surface of the fixed plate 1 in a group, the diameter of each groove 3 is matched with the diameter of the clamping rod 6, the upper side and the lower side of the clamping groove 2 are provided with rotating columns 10 which are rotatably connected to the fixed plate 1, the front parts of the rotating columns 10 are provided with sliding grooves 11, the sliding blocks 12 are connected to the inside of the sliding grooves 11 in a sliding manner, the diameter of the outer walls of the sliding blocks 12 is matched with the diameter of the sliding blocks 11, the second springs 13 are arranged at the bottoms of the sliding blocks 12, utilize the elasticity of second spring 13 to cushion in the hand of arch 16 board, protection arch board 16, the top surface welding of slider 12 has telescopic link 14, the top of telescopic link 14 is rotated and is connected with connecting block 15, rotate post 10, slider 12, second spring 13, the quantity of spout 11 and telescopic link 14 is twenty, every two sets up the left and right sides that is the symmetry setting at connecting block 15 for a set of respectively, connecting block 15's top fixedly connected with arch board 16, utilize the curved surface structure of arch board 16 self, can effectual dispersion pressure, arch board 16 and connecting block 15's quantity is ten, the structure of constituteing is five per a set of upper and lower both sides that are the symmetry setting at circuit board 4, the tip fixed connection of arch board 16 is on the lateral wall of fixed plate 1.

The working principle is as follows: when the structure of the anti-bending protection mechanism of the HDI circuit board is subjected to external pressure in the using process, the self curved surface structure of the arch-shaped plate 16 is utilized to firstly disperse the force on the surface, so that the force on the surface is uniform, when the arch-shaped plate 16 is stressed and deformed, the sliding block 12 of the telescopic rod 15 is utilized to compress the second spring 13 in the sliding groove 11 of the rotating column 10, and the impact force of the elastic buffering force of the second spring 13 is utilized to prevent the arch-shaped plate 16 from being bent; when the circuit board 4 needs to be disassembled, the press plate 9 is pressed, the movable rod 7 moves downwards to drive the clamping rod 6 to move downwards, the clamping rod 6 is separated from the through hole 4 of the clamping groove 2 and the circuit board 4, then the circuit board 4 is pulled, the circuit board 4 can be pulled out quickly by utilizing the clamping groove 2 of the fixing plate 1, the circuit board 4 is convenient to disassemble quickly, in addition, the press plate 9 is pressed firstly during installation, the clamping rod 6 is enabled to move downwards, then the circuit board 4 slides into the clamping groove 2, the left position and the right position of the circuit board 4 are fixed, after the circuit board 4 is in place, the press plate 9 is loosened, the clamping rod 6 automatically penetrates through the through hole 5 of the circuit board 4 by utilizing the elasticity of the first spring 8 and is clamped into the clamping groove 2, the clamping rod 6 can be ensured not to be separated from the clamping groove 2, the front position and the rear position of the circuit board 4 are fixed, and quick disassembly and assembly are convenient.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an anti-bending protection mechanism of HDI circuit board, includes fixed plate (1), its characterized in that: the clamping groove (2) is formed in the side wall of one side of the fixed plate (1), the groove (3) is formed in the side wall of one side of the clamping groove (2), the circuit board (4) is clamped on the inner wall of the clamping groove (2), the through hole (5) is formed in the end corner of the circuit board (4), the clamping rod (6) is clamped on the inner wall of the groove (3) in the inner wall of the through hole (5), the movable rod (7) is welded at the bottom end of the clamping rod (6), the movable rod (7) is connected to the top of the fixed plate (1) in a sliding mode, the first spring (8) is sleeved on the outer wall of the upper portion of the movable rod (7), the pressing plate (9) is welded at the top end of the movable rod (7), the rotating column (10) which is connected to the fixed plate (1) in a rotating mode is arranged on the upper side and the lower side of the clamping groove (2), the sliding groove (11) is formed in the front portion of the rotating column (10), the inside sliding connection of spout (11) has slider (12), the bottom of slider (12) is provided with second spring (13), the top surface welding of slider (12) has telescopic link (14), the top of telescopic link (14) is rotated and is connected with connecting block (15), the top fixedly connected with arch plate (16) of connecting block (15), the tip fixed connection of arch plate (16) is in on the lateral wall of fixed plate (1).

2. The anti-bending protection mechanism of the HDI circuit board as claimed in claim 1, wherein: the number of the fixed plates (1) and the clamping grooves (2) is two, the formed structures are respectively arranged on the left side and the right side of the circuit board (4), and the width of the clamping grooves (2) is matched with the thickness of the circuit board (4).

3. The anti-bending protection mechanism of the HDI circuit board as claimed in claim 1, wherein: the number of the through holes (5) is four, the through holes are respectively arranged at four end corners of the circuit board (4), and the diameter of each through hole (5) is matched with that of the clamping rod (6).

4. The anti-bending protection mechanism of the HDI circuit board as claimed in claim 1, wherein: recess (3) card pole (6) movable rod (7) first spring (8) with the quantity according to board (9) is four, and every two of the structure of constituteing are a set of and set up respectively the top surface left and right sides of fixed plate (1), the diameter of recess (3) with the diameter looks adaptation of card pole (6).

5. The anti-bending protection mechanism of the HDI circuit board as claimed in claim 1, wherein: the number of the arch-shaped plates (16) and the connecting blocks (15) is ten, and every five formed structures are symmetrically arranged on the upper side and the lower side of the circuit board (4) in a group.

6. The anti-bending protection mechanism of the HDI circuit board as claimed in claim 1, wherein: the rotary column (10), the sliding block (12), the second spring (13), the sliding groove (11) and the telescopic rod (14) are twenty in number, every two are respectively arranged in a group to be symmetrically arranged on the left side and the right side of the connecting block (15), and the diameter of the outer wall of the sliding block (12) is matched with the diameter of the sliding groove (11).