FCT testing device capable of rapidly switching jig

Abstract

The utility model relates to the field of FCT testing devices, and discloses an FCT testing device capable of rapidly switching jigs, which comprises a fixing mechanism, a switching mechanism and a shell, the fixing mechanism comprises an electric push rod, a plurality of sliding blocks and a concentric-square-shaped frame, the centers of the bottoms of the plurality of sliding blocks are fixedly connected with moving blocks, the inner walls of the plurality of moving blocks are slidably connected with sliding rods, and the sliding rods are fixedly connected with the electric push rod. The tops of the ends, closest to each other, of the multiple sliding rods are fixedly connected with a supporting plate, the faces, close to the concentric-square-shaped frame, of the multiple sliding blocks are each fixedly connected with two springs, the output end of the electric push rod is fixedly connected with a probe, the switching mechanism comprises a bottom plate and a double-thread screw, and the outer wall of the double-thread screw is in threaded connection with two clamping plates. The inner walls, close to the front and rear ends, of the two clamping plates are slidably connected with limiting rods. According to the utility model, the arrangement of the fixing mechanism makes the probe test more accurate, and the arrangement of the switching mechanism makes the whole more flexible.

Description

TECHNICAL FIELD

[0001] The utility model relates to FCT testing device field especially relates to a kind of FCT testing device of quick switching fixture. BACKGROUND

[0002] FCT testing device is a kind of equipment for the function test of electronic circuit board.FCT testing device is detected and analyzed to each test point signal, helps technician to quickly locate fault component, and test signal processing circuit looks whether it can be amplified, filtered, encoded etc. to input signal, to ensure that the quality of output signal meets the requirements.In production, product model is various and production batch is frequent, uses quick replacement fixture to be able to quickly switch between different product tests, without long time dismounting and installing fixture, save a large amount of time.

[0003] The inventor finds that the prior art has the following problems in the process of realizing the present application: the existing FCT testing device generally includes shell, testing mechanism, supporting mechanism and the like structure, the existing FCT testing device is mostly not quick switching fixture, and the flexibility is poor, and the existing testing mechanism lacks the mechanism that can fix the circuit board, which may cause the circuit board to move during detection, resulting in inaccurate detection results.

[0004] Therefore, the skilled in the art provides a kind of FCT testing device of quick switching fixture to solve the problems raised in the above background art. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art, and provides a kind of FCT testing device of quick switching fixture, which is more accurate when the probe tests, and the overall flexibility is improved by the switching mechanism.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of FCT testing device of quick switching fixture, including fixed mechanism, switching mechanism, shell, the fixed mechanism includes electric push rod, multiple sliding blocks, back-shaped frame, multiple sliding blocks bottom center are all fixedly connected with moving block, multiple the inner wall of moving block is all slidably connected with slide rod, the top of the end of multiple slide rods farthest from each other is fixedly connected with support plate, two springs are all fixedly connected with two sliding blocks near back-shaped frame one side, the output end of electric push rod is fixedly connected with probe;

[0007] The switching mechanism includes bottom plate, double-head screw rod, and the outer wall of double-head screw rod is threadedly connected with two clamping plates, and the inner wall of two clamping plates near front and rear end is slidably connected with limiting rod.

[0008] Further, the outer wall of the double-end screw is connected with the inner wall of the bottom plate through a bearing, and the outer wall of the two clamping plates close to the bottom is slidingly connected with the two side outer walls of the shell.

[0009] Further, the outer wall of the double-end screw is connected with the inner wall of the bottom plate through a bearing, and the outer wall of the two clamping plates close to the bottom is slidingly connected with the two side outer walls of the shell.

[0010] Further, the outer wall of the double-end screw is connected with the inner wall of the bottom plate through a bearing, and the outer wall of the two clamping plates close to the bottom is slidingly connected with the two side outer walls of the shell.

[0011] Further, the outer wall of the double-end screw is connected with the inner wall of the bottom plate through a bearing, and the outer wall of the two clamping plates close to the bottom is slidingly connected with the two side outer walls of the shell.

[0012] Further, the outer wall of the double-end screw is connected with the inner wall of the bottom plate through a bearing, and the outer wall of the two clamping plates close to the bottom is slidingly connected with the two side outer walls of the shell.

[0013] Further, the outer wall of the double-end screw is connected with the inner wall of the bottom plate through a bearing, and the outer wall of the two clamping plates close to the bottom is slidingly connected with the two side outer walls of the shell.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1. The FCT testing device with the jig capable of being quickly switched is disclosed in the utility model, multiple sliding blocks move to the U-shaped frame, multiple sliding blocks further drive the gaskets and the moving blocks at the bottom to move to the U-shaped frame along the sliding rods, meanwhile, multiple sliding blocks drive the springs to move to the U-shaped frame, then the circuit board is placed on the support plate, multiple sliding blocks are reset slowly, multiple sliding blocks drive multiple gaskets to fix the circuit board under the pushing force of multiple springs, the circuit board is more stable during testing, and the inaccuracy of testing caused by movement and the like is avoided, then the probe is driven downward by the electric push rod, and the circuit board is tested.

[0016] 2. The FCT testing device with the jig capable of being quickly switched is disclosed in the utility model, the handle is rotated to drive the double-end screw to rotate, the rotation of the double-end screw makes the two clamping plates close to the center of the shell along the two limiting rods, the two limiting rods limit the two clamping plates and prevent the two clamping plates from rotating, when the two clamping plates clamp the outer wall of the shell, the whole is fixed on the outer wall of the shell, and the subsequent disassembly and installation are more convenient. DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is a local structure schematic view of the utility model;

[0019] Figure 3 It is the fixed mechanism bottom structure schematic view of the utility model.

[0020] Figure 4 It is the switching mechanism structure schematic view of the utility model.

[0021] Legend:

[0022] 1, fixed mechanism;2, switching mechanism;3, shell;101, probe;102, electric push rod;103, support;104, spring;105, sliding block;106, gasket;107, moving block;108, fixed plate;109, back-shaped frame;110, support plate;111, sliding rod;201, clamping plate;202, bottom plate;203, limiting rod;204, double-end screw rod. DETAILED DESCRIPTION

[0023] 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 the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] With reference to Figures 1-4 The utility model provides an embodiment: a kind of FCT testing device of quick switching fixture, including fixed mechanism 1, switching mechanism 2, shell 3, fixed mechanism 1 includes electric push rod 102, multiple sliding blocks 105, back-shaped frame 109, multiple sliding blocks 105 bottom center place are all fixedly connected with moving block 107, multiple moving blocks 107 inner wall are all slidably connected with sliding rod 111, multiple sliding rods 111 the top of the end farthest from each other is fixedly connected with support plate 110, multiple sliding blocks 105 are all fixedly connected with two springs 104 near back-shaped frame 109 one side, electric push rod 102 output end is fixedly connected with probe 101, switching mechanism 2 includes bottom plate 202, double-end screw rod 204, double-end screw rod 204 outer wall is threadedly connected with two clamping plates 201, two clamping plates 201 are slidably connected with limiting rod 203 near front and rear end inner wall.

[0025] Specifically, first move the plurality of sliders 105 back to the U-shaped frame 109, the plurality of sliders 105 move the bottom moving block 107 along the outer wall of the slide rod 111 to the U-shaped frame 109, and the spring 104 is also moved to the U-shaped frame 109, then place the circuit board on the top of the support plate 110, and then slowly reset the plurality of sliders 105 to prevent damage to the circuit board caused by rapid resetting. The plurality of sliders 105 are fixed to the circuit board by the pushing force of the plurality of springs 104, and the working output end of the electric push rod 102 pushes the probe 101 downward to test the circuit board. The position of the plurality of sliders 105 is fixed in the smallest circuit board shown in the figure, and larger circuit boards can be fixed. Rotate the double-headed screw rod 204 to make the two clamping plates 201 close to the center of the shell 3 along the outer wall of the two limit rods 203, and clamp the outer wall on both sides of the shell 3 to fix the whole on the outer wall of the shell 3, which is convenient for subsequent switching of different fixtures.

[0026] Referring to Figures 1-4 , the outer wall of the two limit rods 203 away from the two clamping plates 201 is fixedly connected to the inner wall of the bottom plate 202, one end of the double-headed screw rod 204 is fixedly connected with a handle, the outer wall of the center of the double-headed screw rod 204 is connected with the inner wall of the bottom plate 202 through a bearing, the outer wall of the two clamping plates 201 close to the bottom is slidingly connected with the outer wall of the shell 3 on both sides, the bottom of the U-shaped frame 109 is fixedly connected with the top of the bottom plate 202 away from the center, the top of the center of the two sides of the U-shaped frame 109 is fixedly connected with a support 103, the inner wall of the support 103 is fixedly connected with the outer wall of the electric push rod 102, the center of the side of the U-shaped frame 109 close to the support plate 110 is fixedly connected with a fixed plate 108, the side of the plurality of fixed plates 108 close to the support plate 110 is fixedly connected with the end of the plurality of springs 104 close to the U-shaped frame 109, the outer wall of the end of the plurality of slide rods 111 away from the support plate 110 is fixedly connected with the inner wall of the U-shaped frame 109, the bottom of the bottom plate 202 is movably connected with the outer wall of the shell 3, the plurality of sliders 105 close to the support plate 110 are fixedly connected with a gasket 106, and the side of the plurality of gaskets 106 close to the support plate 110 is movably connected with the outer wall of the support plate 110.

[0027] Specifically, the bottom plate 202 provides support for the two limit rods 203, the double-headed screw rod 204 is connected with the bottom plate 202 through a bearing, and only rotates without moving left and right, the U-shaped frame 109 provides support for the support 103, the support 103 provides support and fixation for the electric push rod 102, the plurality of slide rods 111 provide support and limitation for the moving block 107 and the slider 105 to prevent the slider 105 from shaking, and the plurality of gaskets 106 can prevent the circuit board from being directly contacted with the edge of the slider 105 to cause wear of the edge of the circuit board.

[0028] Working principle: push the plurality of sliders 105 to move to the back frame 109, the plurality of sliders 105 drive the bottom moving block 107 to move to the back frame 109 along the slide rod 111, and push the spring 104 to move to the back frame 109, place the circuit board on the top of the support plate 110, then slowly reset the plurality of sliders 105, the plurality of sliders 105 fix the circuit board through the gasket 106, the working output end of the electric push rod 102 drives the probe 101 to move downward, and the circuit board is tested;

[0029] Secondly, hold the handle and rotate, the handle drives the double-headed screw rod 204 to rotate, the double-headed screw rod 204 makes the two clamping plates 201 close to the center of the shell 3 along the two limiting rods 203, clamp the outer walls on both sides of the shell 3, and fix the whole on the outer wall of the shell 3.

[0030] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. An FCT testing device with rapidly switchable fixtures, comprising a fixing mechanism (1), a switching mechanism (2), and a housing (3), characterized in that: The fixing mechanism (1) includes an electric push rod (102), multiple sliders (105), and a loop frame (109). Each of the multiple sliders (105) has a movable block (107) fixedly connected to its bottom center. Each of the multiple movable blocks (107) has a sliding rod (111) slidably connected to its inner wall. Each of the multiple sliding rods (111) has a support plate (110) fixedly connected to its top at the end closest to each other. Each of the multiple sliders (105) has two springs (104) fixedly connected to the side of the loop frame (109) near the slider. The output end of the electric push rod (102) has a probe (101) fixedly connected to it. The switching mechanism (2) includes a base plate (202) and a double-ended screw (204). The outer wall of the double-ended screw (204) is threaded with two clamping plates (201). The two clamping plates (201) are slidably connected to limit rods (203) near the inner walls of the front and rear ends.

2. The FCT testing device with rapidly switchable fixtures according to claim 1, characterized in that: The outer walls of the two limiting rods (203) away from the two clamps (201) are fixedly connected to the inner wall of the base plate (202), and a handle is fixedly connected to one end of the double-headed screw (204).

3. The FCT testing device with rapidly switchable fixtures according to claim 1, characterized in that: The outer wall of the center of the double-headed screw (204) is connected to the inner wall of the base plate (202) through a bearing, and the outer walls of the two clamping plates (201) near the bottom are slidably connected to the outer walls on both sides of the shell (3).

4. The FCT testing device with rapidly switchable fixtures according to claim 1, characterized in that: The bottom of the loop frame (109) is fixedly connected to the outer wall of the top of the base plate (202) away from the center. A bracket (103) is fixedly connected to the top of the center of the horizontal lines on both sides of the loop frame (109). The inner wall of the bracket (103) is fixedly connected to the outer wall of the electric push rod (102).

5. The FCT testing device with rapidly switchable fixtures according to claim 1, characterized in that: Each of the herringbone frame (109) has a fixed plate (108) fixedly connected to the center of the side of the support plate (110). The side of the fixed plate (108) near the support plate (110) is fixedly connected to the side of the spring (104) near the end of the herringbone frame (109).

6. The FCT testing device with rapidly switchable fixtures according to claim 1, characterized in that: The outer wall of one end of the sliding rod (111) away from the support plate (110) is fixedly connected to the inner wall of the loop frame (109), and the bottom of the base plate (202) is movably connected to the outer wall of the shell (3).

7. The FCT testing device with rapidly switchable fixtures according to claim 1, characterized in that: Each of the multiple sliders (105) has a washer (106) fixedly connected to the side of the support plate (110) near the side of the support plate (110), and the side of the multiple washer (106) near the side of the support plate (110) is movably connected to the outer wall of the support plate (110).

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