CN210268688U - Testing device for printed circuit board - Google Patents

Abstract

The utility model discloses a testing arrangement of printed circuit board, including operation panel, damping device one, fixed frame, damping device two and fixing device, the vertical upper plate that is connected with in operation panel one side, the upper plate inboard is connected with the test needle through the mobile device, is located to be provided with the mounting groove on the operation panel under the test needle, and the fixing device is installed to the operation panel top that is located the mounting groove both sides, the utility model discloses because different types of circuit boards, its size is different with thickness, is provided with compression spring, places it in the U-shaped frame, under compression spring's effect, can fix the circuit board, the distance between curb plate and the mainboard is adjustable, through reset spring, can fix one side of circuit board with the curb plate for fixed frame's shape and the shape phase-match of circuit board increase fixed frame's application range. And a first damping device and a second damping device are arranged outside the fixed frame, and play a role in damping and buffering the fixed frame and the circuit board.

Description

Testing device for printed circuit board

Technical Field

The utility model relates to a printed circuit board technical field specifically is a printed circuit board's testing arrangement.

Background

The printed circuit board uses insulating board as base material, and is cut into a certain size, on which at least one conductive pattern is attached, and is equipped with holes, and can be used for replacing chassis of electronic components and implementing interconnection of electronic components. Such boards are known as "printed" circuit boards because they are made using electronic printing.

In order to ensure the outgoing quality of the circuit board, the printed circuit board is often required to be tested after production, the circuit board is required to be placed on equipment during testing, the equipment is fixed and placed in a fixed mounting groove, but the matching degree of the existing fixing structure and the circuit board is not high, the circuit board is easy to slide after being fixed, errors occur in a testing result, the structure of the fixing structure cannot be changed according to the circuit boards of different types, the fixing structure is fixed, and the existing fixing device is not provided with a structure for damping the circuit board.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a printed circuit board's testing arrangement 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: a testing device of a printed circuit board comprises an operating platform, a first damping device, a fixed frame, a second damping device and a fixed device, the vertical upper plate that is connected with in operation panel one side, the upper plate inboard is connected with the test needle through the mobile device, be provided with the mounting groove on the operation panel under being located the test needle, the fixing device is installed to the operation panel top that is located the mounting groove both sides, the inside sliding connection of mounting groove has fixed frame, fixed frame controls the inner wall connection that both ends correspond with the mounting groove through damping device two, the lower extreme passes through damping device one and the inner wall connection that the mounting groove corresponds on the fixed frame, fixed frame comprises the frame of the U-shaped of two symmetry settings, the frame bottom of U-shaped is connected through a plurality of rows compression spring and the transparent bottom plate that sets up, the transparent bottom plate is located compression spring's top, and printed circuit board places the top at the transparent bottom.

Preferably, the damping device is composed of a telescopic pipe, a second spring and a movable clamp, the telescopic pipe is fixedly connected with the inner wall of the mounting groove, the second spring is wound on the surface of the telescopic pipe, one end of the telescopic pipe is inserted into a fixed pipe arranged on the outer side of the fixed frame, the movable clamp is positioned on two sides of the telescopic pipe, the movable clamp is respectively movably connected with the fixed frame and the mounting groove, and the movable clamp is in a V shape and is formed by movably connecting two round rods.

Preferably, the fixing device is composed of a circular shaft, a first pressing plate and a second pressing plate, the circular shaft is rotatably connected with the first pressing plates and the second pressing plates, the first pressing plates and the second pressing plates are arranged in a crossed mode, and the lengths of the first pressing plates and the second pressing plates are different.

Preferably, damping device is by spring one and fixed block are constituteed, and spring one both ends are connected with the fixed block respectively, and one of them fixed block is connected with the frame outside of U-shaped, and another fixed block slides and inserts in the spread groove that the mounting groove inboard set up.

Preferably, the U-shaped frame comprises a main board and side boards, the side boards are arranged at two ends of the inner side of the main board, one end, close to the side boards, of the main board is hollow, the reset spring is located in the hollow position of the main board, and one end of the reset spring is fixedly connected with the side boards.

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

1. because different types of circuit boards, its size is different with thickness, is provided with compression spring, places it in U-shaped frame, under compression spring's effect, can fix the circuit board, and the distance between curb plate and the mainboard is adjustable, through reset spring, can fix one side of circuit board with the curb plate for fixed frame's shape and the shape phase-match of circuit board improve the degree of agreeing with between them, increase fixed frame's application range.

2. The damping device I and the damping device II are arranged outside the fixed frame, the damping and buffering effects are achieved on the fixed frame and the circuit board, the circuit board can be protected from being damaged, the connecting groove is formed, convenience is brought to the U-shaped frame to drive the damping device I to move, the fixing device is arranged, the pressing plate I or the pressing plate II which is located at the upper end of the circuit board in a rotating mode is used for fixing the upper end of the circuit board, and the principle is simple.

Drawings

FIG. 1 is a top view of the structure of the operation table of the present invention;

fig. 2 is a structural plan view of the fixing frame of the present invention;

fig. 3 is a front view of the structure of the operation table of the present invention.

In the figure: 1. an operation table; 2. a first damping device; 3. a fixed frame; 4. a second damping device; 5. a transparent base plate; 6. a compression spring; 7. connecting grooves; 8. a first spring; 9. a fixed block; 10. a side plate; 11. a main board; 12. a movable clamp; 13. mounting grooves; 14. a telescopic pipe; 15. a second spring; 16. a return spring; 17. an upper plate; 18. a fixing device; 19. pressing a first plate; 20. pressing a second plate; 21. a mobile device; 22. and (6) testing the needle.

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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a testing device of a printed circuit board comprises an operating platform 1, a first damping device 2, a fixed frame 3, a second damping device 4 and a fixing device 18, wherein an upper plate 17 is vertically connected to one side of the operating platform 1, the inner side of the upper plate 17 is connected with a testing needle 22 through a moving device 21, the operating platform 1 which is positioned right below the testing needle 22 is provided with a mounting groove 13, the upper part of the operating platform 1 which is positioned at the two sides of the mounting groove 13 is provided with the fixing device 18, the inside of the mounting groove 13 is slidably connected with the fixed frame 3, the left end and the right end of the fixed frame 3 are connected with the inner wall corresponding to the mounting groove 13 through the second damping device 4, the upper end and the lower end of the fixed frame 3 are connected with the inner wall corresponding to the mounting groove 13 through the first damping device 2, the fixed frame 3 is composed of two symmetrically arranged U-shaped frames, the bottoms, the transparent base plate 5 is positioned above the compression springs 6, and the printed circuit board is placed above the transparent base plate 5.

Furthermore, the second damping device 4 is composed of a telescopic pipe 14, a second spring 15 and a movable clamp 12, the telescopic pipe 14 is fixedly connected with the inner wall of the installation groove 13, the second spring 15 is wound on the surface of the telescopic pipe, one end of the telescopic pipe 14 is inserted into a fixed pipe arranged on the outer side of the fixed frame 3, the movable clamp 12 is located on two sides of the telescopic pipe 14, the movable clamp 12 is respectively movably connected with the fixed frame 3 and the installation groove 13, and the movable clamp 12 is V-shaped and is formed by movably connecting two round rods.

Furthermore, the fixing device 18 is composed of a circular shaft, a first pressing plate 19 and a second pressing plate 20, the circular shaft is rotatably connected with the first pressing plates 19 and the second pressing plates 20, the first pressing plates 19 and the second pressing plates 20 are arranged in a crossed mode, and the lengths of the first pressing plates and the second pressing plates are different.

Furthermore, the first damping device 2 is composed of a first spring 8 and fixing blocks 9, two ends of the first spring 8 are respectively connected with the fixing blocks 9, one fixing block 9 is connected with the outer side of the U-shaped frame, and the other fixing block 9 is slidably inserted into a connecting groove 7 arranged on the inner side of the mounting groove 13.

Further, the U-shaped frame comprises a main plate 11 and side plates 10, the side plates 10 are arranged at two ends of the inner side of the main plate 11, one end, close to the side plates 10, of the main plate 11 is hollow, a return spring 16 is located in the hollow position of the main plate 11, and one end of the return spring 16 is fixedly connected with the side plates 10.

The working principle is as follows: when the printed circuit board is installed, the first pressing plate 19 and the second pressing plate 20 are rotated to one side of the circular shaft, the distance between the two U-shaped frames is adjusted, the printed circuit board is placed in the U-shaped frames, the circuit board can be fixed under the action of the compression springs 6 due to the fact that different types of circuit boards are different in size and thickness, the distance between the side plate 10 and the main board 11 can be adjusted, the side plate 10 can be fixed to one side of the circuit board through the reset springs 16, the shape of the fixed frame 3 is matched with that of the circuit board, the matching degree of the side plate 10 and the main board is improved, the application range of the fixed frame 3 is enlarged, the first damping device 2 and the second damping device 3 are arranged on the outer side of the fixed frame 3, the damping and buffering effects are achieved on the fixed frame 3 and the circuit board, and the circuit board can be protected from being damaged, the connecting groove 7 is arranged to provide convenience for the U-shaped frame to drive the first damping device 2 to move, the fixing device 18 is arranged, the first pressing plate 19 or the second pressing plate 20 located at the upper end of the circuit board is rotated to fix the upper end of the circuit board, the principle is simple, and the moving device 21 drives the testing needle 22 to move to test the circuit board.

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 (5)

1. The utility model provides a testing arrangement of printed circuit board which characterized in that: comprises an operating platform (1), a first damping device (2), a fixed frame (3), a second damping device (4) and a fixing device (18), wherein one side of the operating platform (1) is vertically connected with an upper plate (17), the inner side of the upper plate (17) is connected with a test needle (22) through a moving device (21), the operating platform (1) which is positioned right below the test needle (22) is provided with a mounting groove (13), the fixing device (18) is arranged above the operating platform (1) which is positioned at the two sides of the mounting groove (13), the inside of the mounting groove (13) is connected with the fixed frame (3) in a sliding way, the left end and the right end of the fixed frame (3) are connected with the corresponding inner wall of the mounting groove (13) through the second damping device (4), the upper end and the lower end of the fixed frame (3) are connected with the corresponding inner walls of the mounting groove (13) through the first damping device (, the U-shaped frame bottom is connected with the transparent bottom plate (5) through a plurality of rows of compression springs (6) arranged, the transparent bottom plate (5) is located above the compression springs (6), and the printed circuit board is placed above the transparent bottom plate (5).

2. A printed circuit board testing apparatus according to claim 1, wherein: the damping device II (4) is composed of a telescopic pipe (14), a spring II (15) and a movable clamp (12), the telescopic pipe (14) is fixedly connected with the inner wall of the installation groove (13), the spring II (15) is wound on the surface of the telescopic pipe, one end of the telescopic pipe (14) is inserted into the fixed pipe arranged on the outer side of the fixed frame (3), the movable clamp (12) is located on two sides of the telescopic pipe (14), the movable clamp (12) is movably connected with the fixed frame (3) and the installation groove (13) respectively, and the movable clamp (12) is V-shaped and is formed by movably connecting two round rods.

3. A printed circuit board testing apparatus according to claim 1, wherein: the fixing device (18) is composed of a circular shaft, a first pressing plate (19) and a second pressing plate (20), the circular shaft is rotatably connected with the first pressing plates (19) and the second pressing plates (20), the first pressing plates (19) and the second pressing plates (20) are arranged in a crossed mode, and the lengths of the first pressing plates and the second pressing plates are different.

4. A printed circuit board testing apparatus according to claim 1, wherein: the damping device I (2) is composed of a spring I (8) and fixing blocks (9), two ends of the spring I (8) are connected with the fixing blocks (9) respectively, one fixing block (9) is connected with the outer side of the U-shaped frame, and the other fixing block (9) is inserted into a connecting groove (7) formed in the inner side of the mounting groove (13) in a sliding mode.

5. A printed circuit board testing apparatus according to claim 1, wherein: the U-shaped frame is composed of a main board (11) and side boards (10), the side boards (10) are arranged at two ends of the inner side of the main board (11), one end, close to the side boards (10), of the main board (11) is hollow, a return spring (16) is located in the hollow position of the main board (11), and one end of the return spring (16) is fixedly connected with the side boards (10).

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