Fixing jig for PCB detection

Abstract

The utility model discloses a fixing jig used for PCB detection, and relates to the technical field of PCB detection, the fixing jig comprises a fixing plate and fixing frames, the fixing frames are symmetrically arranged on the fixing plate, the two fixing frames are both provided with clamping blocks, the two clamping blocks are provided with first connecting rods, the first connecting rods are in sliding connection with the fixing frames, the first connecting rods are provided with second connecting rods, and the second connecting rods are provided with second connecting rods. First connecting rods are installed in the two fixing frames, first springs are arranged on the first connecting rods in a sleeving mode, strip-shaped frames are installed at the bottoms of the interiors of the two fixing frames, second connecting rods are installed in the two strip-shaped frames, and the fixing frames, clamping blocks, abutting plates, the first connecting rods and the second springs are arranged, so that a PCB is connected with the clamping blocks in an abutting mode, and the PCB is connected with the inclined faces of the clamping blocks in an abutting mode; the clamping blocks can be extruded conveniently, the bottom of the PCB abuts against the abutting plate, the connecting plate slides downwards on the second connecting rod, the abutting plate clamps the PCB between the clamping blocks through the elastic force of the second spring, and the PCBs of different thicknesses can be fixed and clamped.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB detection technical field, especially a kind of for PCB detection's fixture. BACKGROUND

[0002] PCB board, i.e. printed circuit board, is indispensable important component in modern electronic equipment, PCB board is a kind of through the conductive copper foil patterning laying on the surface of insulating material (such as glass fiber, epoxy resin etc.), forms the electrical connection between electronic components, the main function of PCB board is to provide stable and reliable electrical connection for electronic components, by printing conductor on board, PCB can connect various components, forms a complete working circuit.

[0003] After the surface of PCB board is mounted with various components, PCB board needs to be detected, and the position of component mounted on the surface of PCB board also needs to be detected, different PCB boards need to use different fixture clamping, therefore, a kind of for PCB detection's fixture is presented. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of prior art, the utility model provides a kind of for PCB detection's fixture, solves the problem presented in the above background art.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of for PCB detection's fixture, including fixed plate and fixed frame, the fixed plate is symmetrically provided with fixed frame, two described fixed frame are provided with clamping block, two described clamping block are installed with first connecting rod, the first connecting rod is slidably connected with fixed frame, and first spring is sleeved on the first connecting rod, the inside bottom of two described fixed frame is installed with strip frame, two described strip frame are installed with second connecting rod in the inside, the second connecting rod is slidably connected with connecting plate, and the connecting plate is installed with resistance plate.

[0006] As a further technical scheme of the utility model, two described second connecting rod are sleeved with second spring, the bottom of the second spring is in abutment with the bottom of strip frame, and the top end of second spring is in abutment with connecting plate.

[0007] As a further technical scheme of the utility model, one end of the first spring is in abutment with the inner wall of fixed frame, and the other end of the first spring is in abutment with one side of clamping block, two described resistance plate are installed with extension plate away from the one end of connecting plate.

[0008] As a further technical scheme of the utility model, the inside of the fixed plate is rotatably connected with a bidirectional screw rod, one end of the fixed plate is rotatably connected with a rotating rod, and one end of the rotating rod extends to the inside of the fixed plate and is fixedly connected with the bidirectional screw rod.

[0009] As a further technical scheme of the utility model, the bidirectional screw rod is symmetrically provided with a connecting block, the top of the two connecting blocks is fixedly connected with the fixed frame, and the top of the fixed plate is provided with a sliding groove matched with the connecting block.

[0010] As a further technical scheme of the utility model, four connecting rods are symmetrically installed on the fixed plate, connecting plates are slidably connected on the four connecting rods, baffles are installed at the top of the two connecting plates, third springs are all arranged on the four connecting rods, and limiting plates are installed on the connecting rods.

[0011] The utility model provides a fixed jig for PCB detection, and has the following beneficial effects compared with the prior art:

[0012] 1, a kind of fixed jig for PCB detection of the design, by setting up fixed frame, clamping block, stop plate, first second connecting rod and first second spring, PCB board is abutted with clamping block, PCB board is abutted with the inclined surface on clamping block, it is convenient to extrude clamping block, the bottom of PCB board is abutted with stop plate, connecting plate is slid down on second connecting rod, and the elastic force of second spring makes stop plate clamp PCB board between clamping block, different thickness PCB board can be fixed and clamped.

[0013] 2, a kind of fixed jig for PCB detection of the design, by setting up bidirectional screw rod, connecting block and rotating rod, rotating rod is driven bidirectional screw rod to rotate, connecting block moves on bidirectional screw rod when bidirectional screw rod rotates, rotating rod in different directions, make connecting block move mutually close or mutually far away, simultaneously drive fixed frame to move, adjust the distance between fixed frame. DRAWINGS

[0014] Figure 1 It is the overall structure schematic view of a kind of fixed jig for PCB detection;

[0015] Figure 2 It is the overall structure top view of a kind of fixed jig for PCB detection;

[0016] Figure 3 It is the fixed frame internal structure schematic view of a kind of fixed jig for PCB detection;

[0017] Figure 4 It is the fixed plate internal structure schematic view of a kind of fixed jig for PCB detection.

[0018] In the figure: 1, fixed plate; 2, fixed frame; 3, clamping block; 4, connecting rod; 5, third spring; 6, limiting plate; 7, connecting piece; 8, baffle; 9, rotating rod; 10, bidirectional screw rod; 11, first connecting rod; 12, first spring; 13, strip frame; 14, abutting plate; 15, extension plate; 16, second connecting rod; 17, second spring; 18, connecting plate; 19, connecting block. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figures 1-4 The utility model provides a kind of fixed jig technical solutions for PCB detection, including fixed plate 1 and fixed frame 2, fixed plate 1 is symmetrically provided with fixed frame 2, two fixed frame 2 are provided with clamping block 3, the top end side of clamping block 3 is provided with inclined plane, it is convenient for PCB board and clamping block 3 to abut, extrude clamping block 3, four connecting rods 4 are symmetrically installed on fixed plate 1, four connecting rods 4 are slidably connected with connecting piece 7, two connecting pieces 7 are provided with baffle 8 on the top end, third spring 5 is set on four connecting rods 4, and limiting plate 6 is installed on connecting rod 4, baffle 8 is provided with two, and two baffles 8 are symmetrically arranged on the two sides of fixed plate 1, one side of connecting piece 7 is abutted with fixed plate 1, and the other side of connecting piece 7 is abutted with one end of third spring 5, the other end of third spring 5 is abutted with limiting plate 6, connecting piece 7 is slidably extruded third spring 5 on connecting rod 4, the distance between two baffles 8 is adjusted, the distance between baffle 8 is adjusted according to the width of PCB board, and the upper and lower sides of PCB are abutted, the upper and lower sides of PCB board are clamped.

[0021] As Figure 2 And Figure 3As shown, the two clamping blocks 3 are provided with first connecting rods 11, the first connecting rods 11 are in sliding connection with the fixed frame 2, and the first connecting rods 11 are provided with first springs 12, the inside bottom of the two fixed frames 2 is provided with a strip-shaped frame 13, the inside of the two strip-shaped frames 13 is provided with second connecting rods 16, the second connecting rods 16 are in sliding connection with connecting plates 18, the connecting plates 18 are provided with abutting plates 14, the two second connecting rods 16 are provided with second springs 17, the bottom of the second spring 17 is in abutting connection with the bottom of the strip-shaped frame 13, and the top end of the second spring 17 is in abutting connection with the connecting plate 18, one end of the first spring 12 is in abutting connection with the inner wall of the fixed frame 2, and the other end of the first spring 12 is in abutting connection with one side of the clamping block 3, the two abutting plates 14 are provided with extension plates 15 away from one end of the connecting plate 18, the two ends of the PCB board are in abutting connection with the clamping block 3, the first connecting rod 11 is extruded to slide in the fixed frame 2, the clamping block 3 extrudes the first spring 12, and the PCB board is pressed downward, after the PCB board is in abutting connection with the abutting plate 14, the clamping block 3 is clamped above the PCB board through the elastic force of the first spring 12, the connecting plate 18 is extruded downward on the second connecting rod 16 to extrude the second spring 17, and the abutting plate 14 clamps the PCB board between the clamping block 3 and the abutting plate 14 through the elastic force of the second spring 17.

[0022] As shown in Figure 2 and Figure 4 As shown, the inside of the fixed plate 1 is rotatably connected with a bidirectional screw rod 10, one end of the fixed plate 1 is rotatably connected with a rotating rod 9, one end of the rotating rod 9 extends to the inside of the fixed plate 1 and is fixedly connected with the bidirectional screw rod 10, the bidirectional screw rod 10 is provided with symmetrical connection blocks 19, the top ends of the two connection blocks 19 are fixedly connected with the fixed frame 2, and the top end of the fixed plate 1 is provided with a sliding groove matched with the connection block 19, rotating the rotating rod 9 drives the bidirectional screw rod 10 to rotate, when the bidirectional screw rod 10 rotates, the connection blocks 19 move on the outside, rotating the rotating rod 9 in different directions, the connection blocks 19 move towards or away from each other on the bidirectional screw rod 10, and simultaneously drive the fixed frame 2 to move, thereby adjusting the distance between the fixed frame 2.

[0023] The utility model discloses a working principle is: rotating the rotary rod 9 drives the bidirectional screw rod 10 rotation, and the bidirectional screw rod 10 rotates the time and links block 19 moves on the outside, and the rotary rod 9 is rotated in different directions, and links block 19 is moved on the bidirectional screw rod 10 and is mutually close or is mutually far away, and simultaneously drive fixed frame 2 to move, and the distance between fixed frame 2 is adjusted, and the connecting piece 7 is slid and extruded third spring 5 on the link rod 4, and the distance between two baffle plates 8 is adjusted, and the distance between baffle plate 8 is adjusted according to the width of PCB board, and the upper and lower sides of PCB are abutted, and the upper and lower sides of PCB board are clamped, and the both ends of PCB board are abutted with the clamping block 3, and the first connecting rod 11 is extruded and slides in fixed frame 2, and the clamping block 3 extrudes first spring 12, and presses down PCB board, and after PCB board is abutted with the abutment plate 14, the clamping block 3 is clamped in the top of PCB board through the elastic force of first spring 12, and the connecting plate 18 is slid and extruded second spring 17 on the second connecting rod 16, and the abutment plate 14 clamps PCB board between the clamping block 3 and the abutment plate 14 through the elastic force of second spring 17.

[0024] The above only is the preferred implementation of the utility model, should point out, for the ordinary skill in the art, on the premise of not departing from the principle of the utility model, can also make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection range of the utility model. The structure, device and operating method not specifically described and explained in the utility model, are all implemented according to conventional means in the field, without special description and limitation.

Claims

1. A fixing jig for PCB detection, comprising a fixing plate (1) and a fixing frame (2), characterized in that, The fixed plate (1) is provided with a fixed frame (2) symmetrically, two fixed frames (2) are provided with a clamping block (3), two clamping blocks (3) are provided with a first connecting rod (11), the first connecting rod (11) and the fixed frame (2) are connected, and the first connecting rod (11) is provided with a first spring (12), the inside bottom of two fixed frames (2) is provided with a strip frame (13), two strip frames (13) are provided with a second connecting rod (16), the second connecting rod (16) is provided with a connecting plate (18), and the connecting plate (18) is provided with a resisting plate (14).

2. The fixture for PCB inspection according to claim 1, wherein, Two second connecting rods (16) are provided with a second spring (17), the bottom of the second spring (17) is in abutment with the bottom of the strip frame (13), and the top end of the second spring (17) is in abutment with the connecting plate (18).

3. The fixture for PCB inspection according to claim 1, wherein, One end of the first spring (12) is in abutment with the inner wall of the fixed frame (2), and the other end of the first spring (12) is in abutment with one side of the clamping block (3), two resisting plates (14) are provided with an extension plate (15) away from the connecting plate (18).

4. The fixture for PCB inspection according to claim 1, wherein, The inside of the fixed plate (1) is rotatably connected with a bidirectional screw rod (10), one end of the fixed plate (1) is rotatably connected with a rotating rod (9), one end of the rotating rod (9) extends to the inside of the fixed plate (1) and is fixedly connected with the bidirectional screw rod (10).

5. The fixture for PCB inspection according to claim 4, wherein, The bidirectional screw rod (10) is provided with a link block (19) symmetrically, the top end of two link blocks (19) is fixedly connected with the fixed frame (2), and the top end of the fixed plate (1) is provided with a sliding groove matched with the link block (19).

6. The fixture for PCB inspection according to claim 1, wherein The fixed plate (1) is provided with four link rods (4) symmetrically, four link rods (4) are provided with a connecting piece (7), two connecting pieces (7) are provided with a baffle (8), four link rods (4) are provided with a third spring (5), and the link rod (4) is provided with a limiting plate (6).

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