Power panel test fixture

Abstract

The utility model discloses a power panel test fixture, which relates to the technical field of power panel test and comprises a base, vertical tables are fixedly connected to the positions, close to four corners, of the upper surface of the base, a hydraulic telescopic rod is fixedly connected to the middle of the upper side of each vertical table, and a fixing mechanism is rotatably connected to the inner side face of the base. The lower side of the hydraulic telescopic rod is fixedly connected with a side view mechanism, and the positions, close to the four corners, of the lower surface of the base are fixedly connected with four supporting legs distributed in a rectangular mode. According to the power panel test fixture, the hand wheel drives the first screw rod and the second screw rod to rotate, then the distance between the four moving seats is adjusted, then an existing fixture plate is directly placed between the clamping tables, fixation of the fixture plate is completed, other parts do not need to be installed on the fixture plate, direct installation can be achieved, and the test efficiency is improved. And meanwhile, jig plates of different specifications and sizes can be fixed, and the applicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of power board testing, and particularly relates to a power board testing fixture. Background Art

[0002] A fixture is a large category of tools for carpentry, ironworking, fitter work, machinery, electronic control, and other handicrafts. It is mainly a tool to assist in controlling position or movement. Fixtures can be divided into three categories: process assembly fixtures, project testing fixtures, and circuit board testing fixtures.

[0003] For example, Chinese Patent No. CN219122269U discloses a power board testing fixture, which includes a base. The upper end of the base is electrically connected with a button. The upper end of the base is provided with a first installation groove, and the upper end of the base is provided with a second installation groove. A fixture board is slidably installed inside the first installation groove. A positioning column is fixedly installed on the upper end of the base by means of threads, and a side plate is fixedly installed on the upper end of the base. When using this power board testing fixture, the fixture board and the test board can be replaced according to the usage requirements through the cooperation of the first installation groove and the fixture board and the cooperation of the first convex block and the groove. At the same time, after the installation is completed, the positioning column is screwed on to lock the fixture board and the test board to prevent them from shifting. In addition, a second convex block is provided below the side plate and is matched with the second installation groove. Through their mutual cooperation, the hydraulic device together with the top plate can be removed, which is convenient for maintenance and increases the practicability of the device.

[0004] The following problems exist in the prior art:

[0005] In real life, there are various different specifications of power boards, so there are fixture boards of different specifications for different specifications of power boards. This testing fixture uses the form of installation grooves and convex blocks to replace fixture boards of different specifications and sizes. This requires the production of fixture boards with the shape of such convex blocks. Otherwise, it is very difficult to compatibly fix the existing fixture boards, increasing the production cost. Summary of the Utility Model

[0006] The utility model provides a power board testing fixture to solve the problems raised in the above background art.

[0007] To solve the above technical problems, the technical solution adopted by the utility model is:

[0008] A power board testing fixture includes a base. Four vertical platforms are fixedly connected to the positions near the four corners of the upper surface of the base. A hydraulic telescopic rod is fixedly connected to the middle part on the upper side of the vertical platform. A fixing mechanism is rotatably connected to the inner side surface of the base. The lower side of the hydraulic telescopic rod is fixedly connected with a testing mechanism. Four support feet distributed in a rectangular shape are fixedly connected to the positions near the four corners of the lower surface of the base.

[0009] Preferably, the fixing mechanism includes a first lead screw, the front and rear ends of the first lead screw are rotatably connected to the middle positions of the front and rear sides of the inner cavity of the base near the upper side, the second lead screw is rotatably connected to the middle positions of the left and right sides of the inner cavity of the base near the lower side, two symmetrically distributed moving seats are threadedly connected to the outer wall of the first lead screw near the front and rear sides and the outer wall of the second lead screw near the left and right sides, and hand wheels are fixedly connected to the front end of the first lead screw and the right end of the second lead screw.

[0010] Preferably, fixing components are fixedly connected to the upper sides of the four moving seats through columns. The fixing components include fixing platforms. The lower sides of the fixing platforms are fixedly connected to the upper sides of the moving seats through columns. The fixing platforms are in an L shape. A number of uniformly distributed first limiting rods are movably sleeved on the side walls of the fixing platforms. First springs are movably sleeved on the outer walls of the first limiting rods, and the first springs are located on the side of the side wall of the fixing platform close to the hydraulic expansion rod. A clamping platform is fixedly connected to one end of the first limiting rod close to the hydraulic expansion rod. The clamping platform is in a trapezoidal shape.

[0011] Preferably, the testing mechanism includes a sleeve rod. The upper end of the sleeve rod is fixedly connected to the lower side of the hydraulic expansion rod. A third lead screw is movably sleeved inside the sleeve rod. A rotating sleeve is rotatably connected to the lower side of the sleeve rod. The outer wall of the third lead screw is threadedly connected to the inside of the rotating sleeve. A mechanism plate is fixedly connected to the lower end of the third lead screw.

[0012] Preferably, four second limiting rods are movably sleeved at the positions near the four corners on the upper side of the mechanism plate. The upper and lower ends of the second limiting rods are fixedly connected to the inner upper surface of the vertical platform and the upper surface of the base.

[0013] Preferably, friction lines are provided on the outer wall of the rotating sleeve.

[0014] Preferably, four third limiting rods are movably sleeved at the positions near the middle on the upper side of the mechanism plate. Second springs are movably sleeved on the outer walls of the four third limiting rods, and the second springs are located on the lower side of the mechanism plate. A fixing seat is fixedly connected to the lower end of the third limiting rod.

[0015] Preferably, two symmetrically left and right sliding bars are fixedly connected to the positions near the left and right sides of the lower surface of the fixing seat. A testing component is slidably connected to the outer walls of the sliding bars.

[0016] Due to the adoption of the above technical solutions, the technical progress achieved by the present utility model compared with the prior art is:

[0017] 1. The present utility model provides a power board test fixture, which adopts the cooperation of a fixing mechanism, a first lead screw, a moving seat, a hand wheel, a second lead screw, a fixing component, a fixing table, a clamping table, a first limiting rod and a first spring. By rotating the hand wheel to drive the first lead screw and the second lead screw to rotate, the distance between the four moving seats is adjusted. Then, the existing fixture board is directly placed at the position between the clamping tables to complete the fixation of the fixture board. There is no need to install other components on the fixture board and it can be directly installed, reducing the production cost. At the same time, fixture boards of different specifications and sizes can be fixed, increasing the applicability.

[0018] 2. The present utility model provides a power board test fixture, which adopts the cooperation of a testing mechanism, a sleeve rod, a third lead screw, a rotating sleeve, a mechanism board, a second limiting rod, a third limiting rod, a second spring, a fixing seat, a sliding strip and a testing component. By rotating the rotating sleeve, the total length between the sleeve rod and the third lead screw is adjusted to achieve applying different magnitudes of force to the power board by the side-viewing component during testing. The adjustment is convenient and the operation is simple. The side-viewing component is fixed by the sliding strip, and the installation is convenient and the side-viewing component can be quickly replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0020] Figure 2 is a partial sectional three-dimensional structural schematic diagram of the present utility model;

[0021] Figure 3 is a three-dimensional structural schematic diagram of the fixing mechanism part of the present utility model;

[0022] Figure 4 is a three-dimensional structural schematic diagram of the fixing component part of the present utility model;

[0023] Figure 5 is a partial sectional three-dimensional structural schematic diagram of the testing mechanism part of the present utility model.

[0024] In the figure: 1, base; 2, vertical platform; 3, hydraulic telescopic rod; 4, fixing mechanism; 41, first lead screw; 42, moving seat; 43, hand wheel; 44, second lead screw; 45, fixing component; 451, fixing table; 452, clamping table; 453, first limiting rod; 454, first spring; 5, testing mechanism; 51, sleeve rod; 52, third lead screw; 53, rotating sleeve; 54, mechanism board; 55, second limiting rod; 56, third limiting rod; 57, second spring; 58, fixing seat; 59, sliding strip; 510, testing component; 6, support foot. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] In order to make the technical means, creative features, achieved purposes and effects of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0026] As shown Figure 1 in the figure, a power board test fixture includes a base 1. At positions near the four corners on the upper surface of the base 1, there are fixedly connected vertical platforms 2. In the middle of the upper side of the vertical platform 2, there is a fixedly connected hydraulic telescopic rod 3. On the inner side surface of the base 1, there is a rotatably connected fixing mechanism 4. On the lower side of the hydraulic telescopic rod 3, there is a fixedly connected test mechanism 5. At positions near the four corners on the lower surface of the base 1, there are fixedly connected four support feet 6 distributed in a rectangle.

[0027] It should be noted that rubber pads are fixedly connected to the lower sides of the four support feet 6 to reduce the vibration received by the entire device.

[0028] As shown Figure 2 and Figure 3 in the figure, the fixing mechanism 4 includes a first lead screw 41. The front and rear ends of the first lead screw 41 are rotatably connected to positions near the upper side in the middle of the front and rear surfaces of the inner cavity of the base 1. In the middle of the left and right surfaces of the inner cavity of the base 1 near the lower side, there is a rotatably connected second lead screw 44. On the outer wall of the first lead screw 41 near the front and rear sides and on the outer wall of the second lead screw 44 near the left and right sides, there are threadedly connected two symmetrically distributed moving seats 42. At the front end of the first lead screw 41 and the right end of the second lead screw 44, there are fixedly connected handwheels 43.

[0029] It should be noted that rotating the handwheel 43 is used to drive the first lead screw 41 or the second lead screw 44 to rotate. Both the first lead screw 41 and the second lead screw 44 are bidirectional lead screws, which contain two kinds of threads with opposite directions. Each moving seat 42 is threadedly connected to different directions of the threads. When the first lead screw 41 or the second lead screw 44 rotates, the two moving seats 42 on it move in opposite directions along the direction of the first lead screw 41 or the second lead screw 44.

[0030] As shown Figure 3 and Figure 4 in the figure, on the upper sides of the four moving seats 42, there are fixedly connected fixing components 45 through columns. The fixing component 45 includes a fixing platform 451. The lower side of the fixing platform 451 is fixedly connected to the upper side of the moving seat 42 through a column. The shape of the fixing platform 451 is L-shaped. A number of uniformly distributed first limiting rods 453 are movably sleeved on the side wall of the fixing platform 451. On the outer walls of a number of first limiting rods 453, there are movably sleeved first springs 454, and the first springs 454 are located on the side of the side wall of the fixing platform 451 near the hydraulic telescopic rod 3. One end of the first limiting rod 453 near the hydraulic telescopic rod 3 is fixedly connected to a clamping platform 452, and the shape of the clamping platform 452 is trapezoidal.

[0031] It should be noted that due to the shape of the clamping table 452, when installing the jig plate, if it is directly inserted from the upper side to the lower side, the lower edge of the jig plate will push the inclined surface of the clamping table 452, causing the clamping table 452 to move towards the side close to the fixed table 451. When the lower side of the jig plate touches the upper surface of the base 1, the first spring 454 pushes the clamping table 452, causing the jig plate to be fixed.

[0032] As Figure 2 , Figure 5 shown, the testing mechanism 5 includes a sleeve rod 51. The upper end of the sleeve rod 51 is fixedly connected to the lower side of the hydraulic telescopic rod 3. A third lead screw 52 is movably sleeved inside the sleeve rod 51. The lower side of the sleeve rod 51 is rotatably connected to a rotating sleeve 53. The outer wall of the third lead screw 52 is threadedly connected to the inside of the rotating sleeve 53. The lower end of the third lead screw 52 is fixedly connected to a mechanism plate 54.

[0033] It should be noted that the hydraulic telescopic rod 3 will drive the sleeve rod 51 to move up and down. By rotating the rotating sleeve 53, the third lead screw 52 moves up and down along the rotating sleeve 53, thereby adjusting the length between the sleeve rod 51 and the third lead screw 52, and further adjusting the height of the mechanism plate 54 in the initial state.

[0034] As Figure 2 , Figure 5 shown, four second limiting rods 55 distributed in a rectangular shape are movably sleeved at positions near the four corners on the upper side of the mechanism plate 54. The upper and lower ends of the second limiting rods 55 are fixedly connected to the inner upper surface of the vertical platform 2 and the upper surface of the base 1.

[0035] It should be noted that the second limiting rods 55 are used to limit the mechanism plate 54 to prevent the third lead screw 52 from driving the mechanism plate 54 to rotate along with the rotating sleeve 53 when the rotating sleeve 53 is rotated.

[0036] As Figure 5 shown, the outer wall of the rotating sleeve 53 is provided with friction lines.

[0037] It should be noted that the friction lines are used to increase the friction force between the hand and the rotating sleeve 53, facilitating the user to rotate the rotating sleeve 53.

[0038] As Figure 5 shown, four third limiting rods 56 distributed in a rectangular shape are movably sleeved at positions near the middle on the upper side of the mechanism plate 54. The outer walls of the four third limiting rods 56 are all movably sleeved with second springs 57, and the second springs 57 are located on the lower side of the mechanism plate 54. The lower ends of the third limiting rods 56 are fixedly connected to fixed seats 58.

[0039] It should be noted that when the lower testing component 510 touches the power supply board, the testing component 510 pushes the fixed seat 58 in the reverse direction, causing the second spring 57 to be compressed, so as to reduce the impact force on the power supply board brought by the hydraulic telescopic rod 3 directly pushing the testing component 510.

[0040] As Figure 5 shown, two symmetric slide bars 59 are fixedly connected to the lower surface of the fixed seat 58 near the left and right sides, and the outer wall of the slide bar 59 is slidably connected with a test component 510.

[0041] It should be noted that the test component 510 is slidably installed on the lower side of the fixed seat 58 through the slide bar 59, which is convenient for disassembly and operation, and is convenient for replacing test components 510 with different functions.

[0042] The working principle of the present utility model: First, rotate the handwheel 43 to drive the first lead screw 41 or the second lead screw 44 to rotate. Both the first lead screw 41 and the second lead screw 44 are bidirectional lead screws with two threads in opposite directions. Each moving seat 42 is threadedly connected to the threads in different directions. When the first lead screw 41 or the second lead screw 44 rotates, the two moving seats 42 thereon move in opposite directions along the direction of the first lead screw 41 or the second lead screw 44. The shape of the clamping table 452 causes the fixture plate to be directly placed from top to bottom. The lower edge of the fixture plate will push the inclined surface of the clamping table 452, causing the clamping table 452 to move toward the side close to the fixed table 451. When the lower side of the fixture plate contacts the upper surface of the base 1, the first spring 454 pushes the clamping table 452, causing the fixture plate to be fixed. By driving the first lead screw 41 and the second lead screw 44 to rotate through the handwheel 43, the distance between the four moving seats 42 is adjusted. Then, the existing fixture plate is directly placed at the position between the clamping tables 452 to complete the fixation of the fixture plate. There is no need to install other components on the fixture plate, and it can be directly installed, reducing the production cost. At the same time, fixture plates of different specifications and sizes can be fixed, increasing the applicability. Finally, the hydraulic telescopic rod 3 drives the sleeve rod 51 to move up and down. Rotate the rotating sleeve 53, causing the third lead screw 52 to move up and down along the rotating sleeve 53, thereby adjusting the length between the sleeve rod 51 and the third lead screw 52, and further adjusting the height of the mechanism plate 54 in the initial state. The second limiting rod 55 is used to limit the mechanism plate 54 to prevent the third lead screw 52 from driving the mechanism plate 54 to rotate together with the rotating sleeve 53 when the rotating sleeve 53 is rotated. When the lower test component 510 contacts the power supply board, the test component 510 reversely pushes the fixed seat 58, causing the second spring 57 to be compressed to reduce the impact force on the power supply board caused by the hydraulic telescopic rod 3 directly pushing the test component 510. By rotating the rotating sleeve 53, the total length between the sleeve rod 51 and the third lead screw 52 is adjusted to achieve different forces exerted by the test component 510 on the power supply board during testing. The adjustment is convenient and the operation is simple. The test component 510 is fixed by the slide bar 59, and the installation is convenient, and the test component 510 can be quickly replaced.

[0043] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A power board test fixture, comprising a base (1), characterized in that: A stand (2) is fixedly connected to the upper surface of the base (1) near the four corners, a hydraulic telescopic rod (3) is fixedly connected to the middle of the upper side of the stand (2), a fixing mechanism (4) is rotatably connected to the inner side of the base (1), a testing mechanism (5) is fixedly connected to the lower side of the hydraulic telescopic rod (3), and four rectangularly distributed supporting feet (6) are fixedly connected to the lower surface of the base (1) near the four corners.

2. A power board test fixture according to claim 1, characterized in that: The fixing mechanism (4) comprises a first screw rod (41), the front and rear ends of the first screw rod (41) are rotatably connected to the middle of the front and rear surfaces of the inner cavity of the base (1) near the upper side, the middle of the left and right surfaces of the inner cavity of the base (1) are rotatably connected to the second screw rod (44), the outer wall of the first screw rod (41) near the front and rear sides and the outer wall of the second screw rod (44) near the left and right sides are both threadedly connected to two symmetrically distributed movable seats (42), and the front end of the first screw rod (41) and the right end of the second screw rod (44) are both fixedly connected to a hand wheel (43).

3. A power board test fixture according to claim 2, characterized in that: The upper sides of the four movable seats (42) are all fixedly connected to a fixing assembly (45) via a column. The fixing assembly (45) comprises a fixing platform (451). The lower side of the fixing platform (451) is fixedly connected to the upper side of the movable seat (42) via a column. The fixing platform (451) is L-shaped. The side wall of the fixing platform (451) is movably sleeved with a plurality of evenly distributed first limiting rods (453). The outer walls of the plurality of first limiting rods (453) are movably sleeved with a first spring (454). The first spring (454) is located on a side of the side wall of the fixing platform (451) close to the hydraulic telescopic rod (3). The first limiting rod (453) is fixedly connected to a clamping platform (452) at one end close to the hydraulic telescopic rod (3). The clamping platform (452) is trapezoidal in shape.

4. A power board test fixture according to claim 1, characterized in that: The testing mechanism (5) comprises a sleeve rod (51), the upper end of the sleeve rod (51) is fixedly connected to the lower side of the hydraulic telescopic rod (3), the inner side of the sleeve rod (51) is movably sleeved with a third screw rod (52), the lower side of the sleeve rod (51) is rotatably connected to a rotating sleeve (53), the outer wall of the third screw rod (52) is threadedly connected to the inner side of the rotating sleeve (53), and the lower end of the third screw rod (52) is fixedly connected to a mechanism plate (54).

5. A power board test fixture according to claim 4, characterized in that: Four second limiting rods (55) with rectangular distribution are movably sleeved on the upper side of the mechanism plate (54) near the four corners, and the upper and lower ends of the second limiting rods (55) are fixedly connected to the inner upper surface of the stand (2) and the upper surface of the base (1).

6. A power board test fixture according to claim 4, characterized in that: The outer wall of the rotating sleeve (53) is provided with friction patterns.

7. A power board test fixture according to claim 4, characterized in that: Four third limiting rods (56) with rectangular distribution are movably sleeved on the upper side of the mechanism plate (54) near the middle, and the outer walls of the four third limiting rods (56) are movably sleeved with second springs (57), and the second springs (57) are located on the lower side of the mechanism plate (54), and the lower ends of the third limiting rods (56) are fixedly connected to a fixing seat (58).

8. A power board test fixture according to claim 7, characterized in that: Two left-right symmetrical sliding bars (59) are fixedly connected to the lower surface of the fixing seat (58) near the left and right sides, and the outer wall of the sliding bar (59) is slidably connected to the testing assembly (510).

Images