CN216650132U

CN216650132U - Printed circuit board fixing device

Info

Publication number: CN216650132U
Application number: CN202221002993.2U
Authority: CN
Inventors: 董新平; 王显强; 李娜
Original assignee: Weifang Tongming Electronics Co ltd
Current assignee: Weifang Tongming Electronics Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-05-31
Anticipated expiration: 2032-04-28

Abstract

The utility model belongs to the field of circuit boards, and discloses a printed circuit board fixing device which comprises two T-shaped plates which are arranged in a bilateral symmetry mode, wherein a supporting plate is fixedly connected between the two T-shaped plates, two L-shaped plates which can be adjusted leftwards and rightwards are arranged on the supporting plate, two groups of clamping assemblies which are symmetrical upwards and downwards and used for fixing the circuit board are arranged on the upper side of each L-shaped plate, each clamping assembly comprises two movable plates which are symmetrical forwards and backwards, cavities are formed in the inner walls, close to one side of each other, of the two movable plates, and connecting plates are movably arranged in the cavities. Under the mutually supporting of L shaped plate and screw rod, adjust the distance between two L shaped plates to the circuit board of the different length of adaptation is under the mutually supporting of fly leaf, linkage plate and bolt, is adjusted the distance between two fly leaves, thereby the circuit board of the different width of adaptation, the device simple structure, convenient to detach and equipment, and comparatively practical.

Description

Printed circuit board fixing device

Technical Field

The utility model relates to the field of circuit boards, in particular to a printed circuit board fixing device.

Background

The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electrical appliance layout. The circuit board can be called as a printed circuit board or a printed circuit board, and the FPC circuit board is also called as a flexible circuit board, which is made of polyimide or polyester film as a base material and has high reliability and excellent flexibility. The wiring structure has the characteristics of high wiring density, light weight, thin thickness and good bending property.

The circuit board fixing device can improve the accuracy of a circuit board in the machining process, the width of a clamping plate cannot be adjusted by the conventional circuit board fixing device, the circuit boards of different specifications cannot be clamped, the circuit board fixing devices of multiple corresponding specifications need to be purchased, and the cost input in the early stage is large for a production plant with small capital scale, so that the printed circuit board fixing device is necessary to be developed.

Disclosure of Invention

Technical problem to be solved

The present invention provides a printed circuit board fixing device, which solves the problems that the prior circuit board fixing device in the background art can not adjust the width of a clamping plate, can not clamp circuit boards with different specifications, needs to purchase circuit board fixing devices with multiple corresponding specifications, and has large early-stage investment cost for a manufacturer with small capital scale.

Technical scheme

The utility model provides a printed circuit board fixing device, includes the T shaped plate that two bilateral symmetry set up, two fixedly connected with backup pad between the T shaped plate, be provided with two L shaped plates that can control the regulation in the backup pad, every the upside of L shaped plate all is provided with two sets of longitudinal symmetries and is used for carrying out the centre gripping subassembly fixed to the circuit board, the centre gripping subassembly includes the fly leaf of two longitudinal symmetries, two the cavity has all been seted up on the fly leaf is close to the inner wall on one side each other, movable mounting has the linkage plate in the cavity.

Through the technical scheme, under the mutual matching of the movable plates, the connecting plates and the bolts, the distance between the two movable plates is adjusted, so that the movable plates are adaptive to circuit boards with different widths.

Preferably, the T-shaped plate is provided with internal thread holes convenient for fixing the T-shaped plate, the number of the internal thread holes is two, and the two internal thread holes are symmetrically arranged in the front and back direction.

Preferably, two screws which are symmetrical in front and back are fixedly connected to the inner wall of one side, close to each other, of each L-shaped plate, and through holes matched with the screws are formed in the L-shaped plates.

Through the technical scheme, under the mutual matching of the L-shaped plates and the screw rods, the distance between the two L-shaped plates is adjusted, so that the circuit boards with different lengths can be adapted.

Preferably, every the left and right sides of L shaped plate all is provided with the first nut with screw rod threaded connection, contradict each other between first nut and the L shaped plate.

Through above-mentioned technical scheme, prescribe a limit to the distance between two L shaped plates through first nut.

Preferably, a T-shaped notch is formed in the top of the L-shaped plate, and a bolt penetrating through the movable plate is arranged in the T-shaped notch.

Preferably, each upper side of the movable plate is provided with a second nut in threaded connection with the bolt, and the second nuts and the movable plates are mutually abutted.

Through above-mentioned technical scheme, inject the distance of two fly leaves through the second nut.

Advantageous effects

Compared with the prior art, the utility model has the advantages that:

this printed circuit board fixing device, under the mutually supporting of L shaped plate and screw rod, adjust the distance between two L shaped plates, thereby the circuit board of the different length of adaptation, adjust the back that finishes, prescribe a limit to distance between them through first nut, at the fly leaf, link up board and bolt under mutually supporting, adjust the distance between two fly leaves, thereby the circuit board of the different width of adaptation, adjust the back that finishes, prescribe a limit to distance between them through the second nut, carry out the centre gripping to the circuit board of different thickness simultaneously, the device simple structure, convenient to detach and equipment, and it is comparatively practical.

Drawings

FIG. 1 is a schematic view of an overall axial structure of a PCB fixing device according to the present invention;

FIG. 2 is a schematic cross-sectional view of a PCB fixture according to the present invention;

fig. 3 is a schematic top view of a pcb fixing apparatus of the present invention with a bolt and a second nut removed.

The reference numbers in the figures illustrate: 1. a T-shaped plate; 2. a support plate; 3. an L-shaped plate; 4. a movable plate; 5. a connector tile; 6. an internally threaded bore; 7. a screw; 8. a first nut; 9. a T-shaped notch; 10. a bolt; 11. a second nut; 12. and a through hole.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a printed circuit board fixing device, T shaped plate 1 including two bilateral symmetry settings, fixedly connected with backup pad 2 between two T shaped plate 1, be provided with two L shaped plate 3 that can control the regulation in backup pad 2, the upside of every L shaped plate 3 all is provided with two sets of longitudinal symmetry and is used for carrying out the centre gripping subassembly fixed to the circuit board, the centre gripping subassembly includes the fly leaf 4 of two longitudinal symmetries, two fly leaf 4 all have seted up the cavity on being close to the inner wall of one side each other, movable mounting has linkage plate 5 in the cavity, at fly leaf 4, under the mutually supporting of linkage plate 5 and bolt 10, adjust the distance between two fly leaf 4, thereby the circuit board of the different width of adaptation.

Further, offer the internal thread hole 6 that is convenient for fix it on the T shaped plate 1, the quantity of internal thread hole 6 is two, and two internal thread holes 6 are the front and back symmetry setting, two screw rods 7 of two preceding back symmetries of fixedly connected with on the inner wall that two L shaped plates 3 are close to one side each other, offer the through-hole 12 with screw rod 7 looks adaptation on the L shaped plate 3, every L shaped plate 3's the left and right sides all is provided with the first nut 8 with 7 threaded connection of screw rod, conflict each other between first nut 8 and the L shaped plate 3, under L shaped plate 3 and screw rod 7 mutually support, adjust the distance between two L shaped plates 3, thereby the circuit board of the different length of adaptation, after finishing adjusting, prescribe a limit to distance between them through first nut 8.

Further, T-slot 9 has been seted up at the top of L shaped plate 3, be provided with the bolt 10 of wearing to establish fly leaf 4 in the T-slot 9, the upside of every fly leaf 4 all is provided with the second nut 11 with bolt 10 threaded connection, contradict each other between second nut 11 and the fly leaf 4, set up second nut 11, inject distance between them through second nut 11, carry out the centre gripping to the circuit board of different thickness simultaneously, the device simple structure, convenient to detach and equipment, and comparatively practical.

In addition, the present invention relates to circuits and electronic components and modules all of which are known in the art and are fully implemented by those skilled in the art, and it is not necessary to state that the present invention is intended to be limited to such modifications as are within the scope of the appended claims.

The working principle is as follows: at first, fix the device's two T shaped plates 1, under L shaped plate 3 and screw rod 7 mutually support, adjust the distance between two L shaped plates 3, thereby the circuit board of the different length of adaptation, after finishing adjusting, prescribe a limit to distance between them through first nut 8, at fly leaf 4, link up connector plate 5 and bolt 10 mutually support under, adjust the distance between two fly leaf 4, thereby the circuit board of the different width of adaptation, after finishing adjusting, prescribe a limit to distance between them through second nut 11, carry out the centre gripping to the circuit board of different thickness simultaneously, the device simple structure, convenient to detach and equipment, and it is comparatively practical.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A kind of p-c board fixing device, characterized by that: t shaped plate (1) including two bilateral symmetry settings, two fixedly connected with backup pad (2) between T shaped plate (1), be provided with two L shaped plate (3) that can control the regulation on backup pad (2), every the upside of L shaped plate (3) all is provided with two sets of longitudinal symmetry and is used for carrying out the centre gripping subassembly fixed to the circuit board, the centre gripping subassembly includes fly leaf (4) of two longitudinal symmetries, two fly leaf (4) all seted up the cavity on being close to the inner wall of one side each other, movable mounting has linkage plate (5) in the cavity.

2. A printed circuit board fixture according to claim 1 wherein: offer on T shaped plate (1) and be convenient for carry out internal thread hole (6) fixed to it, the quantity of internal thread hole (6) is two, and two internal thread holes (6) are the front and back symmetry setting.

3. A printed circuit board fixture according to claim 1 wherein: two fixedly connected with screw rod (7) of two preceding back symmetries on the inner wall that L shaped plate (3) are close to one side each other, set up through-hole (12) with screw rod (7) looks adaptation on L shaped plate (3).

4. A printed circuit board fixture according to claim 3 wherein: every the left and right sides of L shaped plate (3) all is provided with first nut (8) with screw rod (7) threaded connection, contradict each other between first nut (8) and L shaped plate (3).

5. A printed circuit board fixture according to claim 1 wherein: the top of the L-shaped plate (3) is provided with a T-shaped notch (9), and a bolt (10) penetrating through the movable plate (4) is arranged in the T-shaped notch (9).

6. A printed circuit board fixture according to claim 5 wherein: every the upside of fly leaf (4) all is provided with second nut (11) with bolt (10) threaded connection, contradict each other between second nut (11) and fly leaf (4).