1. The utility model provides an on-vehicle electronic equipment testing arrangement, its structure includes cylinder (1), test host computer (2), controller (3), switch (4), cylinder (1) lower extreme adopts clearance fit to install in test host computer (2) top middle-end, test host computer (2) lower extreme is connected with controller (3) top, switch (4) and electricity are inlayed to controller (3) front end surface and are connected its characterized in that:

the testing host (2) comprises a shell (21), a placing device (22), a guide rod (23) and a probe device (24), wherein the lower end of the shell (21) is welded with the top of the controller (3), the lower end of the placing device (22) is installed on the upper surface of the controller (3), the top of the guide rod (23) is welded with the top end of the inner side of the shell (21), the lower end of the guide rod (23) is welded with the upper surface of the controller (3), the middle end of the top of the probe device (24) is fixed with the output end of the cylinder (1), the guide rod (23) penetrates through the inner portion of the outer end of the probe device (24) in a clearance fit mode, and the probe device (24) is located right above the placing device (22).

2. The on-vehicle electronic equipment testing device according to claim 1, characterized in that: placer (22) are including placing frid (221), supporting legs (222), mechanism (223), the extrusion mechanism (224) subsides, it is equipped with supporting legs (222) to place frid (221) bottom four corners to supporting legs (222) weld in controller (3) upper surface, it adopts clearance fit to install inside placing frid (221) upper end to subside mechanism (223), extrusion mechanism (224) are established and are being placed frid (221) outside end inside to extrusion mechanism (224) one end is inconsistent with mechanism (223) bottom that subsides.

3. The on-vehicle electronic equipment testing device according to claim 2, characterized in that: sink mechanism (223) including plate body (21a), fold board (21b), branch (21c), pressure spring (21d), plate body (21a) upper end is inside to be fixed mutually with fold board (21b) lower extreme, branch (21c) lower extreme fixed mounting is inside placing frid (221) to branch (21c) upper end adopts clearance fit to install inside plate body (21a) bottom, plate body (21a) bottom is inside to be equipped with pressure spring (21d), and pressure spring (21d) lower extreme welds mutually with branch (21c) upper end, plate body (21a) bottom is inconsistent with extrusion mechanism (224) one end.

4. The on-vehicle electronic equipment testing device according to claim 3, characterized in that: the extrusion mechanism (224) comprises a linkage plate (24a), a torsion shaft (24b), a pressing plate (24c), a pressing rod (24d) and a top block (24e), the linkage plate (24a) is hinged with the inside of the placing groove plate (221) through the torsion shaft (24b), the right end of the upper surface of the linkage plate (24a) is welded with the lower end of the pressing rod (24d), the top of the pressing rod (24d) is welded with the bottom surface of the pressing plate (24c), the pressing rod (24d) penetrates through the inside of the outer end of the placing groove plate (221) in a clearance fit mode, the top block (24e) is arranged on the left side of the upper surface of the linkage plate (24a), and the top of the top block (24e) is abutted to the bottom of the plate body (21 a).

5. The on-vehicle electronic equipment testing device according to claim 1, characterized in that: probe device (24) includes detector (241), connecting plate (242), probe (243), conflict mechanism (244), detector (241) bottom is fixed mutually with connecting plate (242) up end to guide bar (23) adopt clearance fit to run through inside connecting plate (242) outside end, detector (241) top is fixed with cylinder (1) output, detector (241) lower extreme is fixed mutually with probe (243), conflict mechanism (244) upper end slidable mounting is inside connecting plate (242) lower extreme, and conflict mechanism (244) lower extreme is located probe (243) bottom under.

6. The on-vehicle electronic equipment testing device according to claim 5, characterized in that: the interference mechanism (244) comprises an interference ring (44a), a linkage rod (44b), a sliding block (44c) and a sliding rod (44d), the interference ring (44a) is located under the bottom of the probe (243), the outer side end of the interference ring (44a) is hinged to the lower end of the linkage rod (44b), the top of the linkage rod (44b) is hinged to the sliding block (44c), the sliding block (44c) is slidably mounted inside the lower end of the connecting plate (242), the sliding rod (44d) penetrates through the inside of the sliding block (44c) in a clearance fit mode, and the sliding rod (44d) is fixedly mounted inside the lower end of the connecting plate (242).

Background

The vehicle-mounted GPS is one of important electronic devices on an automobile, a probe testing device is required to be used for testing a welding point on the GPS module in the production process of the GPS module, whether the welding point is normal or not is detected by the probe contacting the welding point on the GPS module, the electronic element on the GPS module is ensured to conduct normally, but because the GPS module is arranged on the probe testing device and drives the probe to descend in a pressing mode, thereby contacting with the welding point on the GPS module, the probe is slender and the pressure generated in the pressing process is large, which is easy to cause the probe to press the welding point, thereby reducing the firmness of the welding point, simultaneously pressing down to clamp the GPS module into the placing groove on the testing device, make the inside block degree increase of GPS module and standing groove, it is difficult to smooth take out the GPS module from the standing groove is inside after the detection is accomplished.

Disclosure of Invention

The technical scheme adopted by the invention for realizing the technical purpose is as follows: the vehicle-mounted electronic equipment testing device structurally comprises an air cylinder, a testing host machine, a controller and switches, wherein the lower end of the air cylinder is installed at the middle end of the top of the testing host machine in a clearance fit mode, the lower end of the testing host machine is connected with the top of the controller, the surface of the front end of the controller is embedded with the switches and is electrically connected, the testing host machine comprises a shell, a placing device, guide rods and probe devices, the lower end of the shell is welded with the top of the controller, the lower end of the placing device is installed on the upper surface of the controller, the top of each guide rod is welded with the top of the inner side of the shell, the lower end of each guide rod is welded with the upper surface of the controller, the middle end of the top of each probe device is fixed with the output end of the air cylinder, the guide rods penetrate through the inner side end of each probe device in a clearance fit mode, the probe devices are located right above the placing device, and the number of the guide rods is four, respectively penetrate through the four corners inside the outer side end of the probe device.

As a further improvement of the invention, the placing device comprises a placing groove plate, supporting legs, a sinking mechanism and an extruding mechanism, wherein the supporting legs are arranged at four corners of the bottom of the placing groove plate and are welded on the upper surface of the controller, the sinking mechanism is installed inside the upper end of the placing groove plate in a clearance fit manner, the extruding mechanism is arranged inside the outer side end of the placing groove plate, one end of the extruding mechanism is abutted against the bottom of the sinking mechanism, and the two extruding mechanisms are respectively arranged at the left end and the right end inside the placing groove plate and are abutted and connected with the left end and the right end of the bottom of the sinking mechanism.

As a further improvement of the invention, the sinking mechanism comprises a plate body, a folded plate, a support rod and a pressure spring, wherein the inner part of the upper end of the plate body is fixed with the lower end of the folded plate, the lower end of the support rod is fixedly arranged in the placing groove plate, the upper end of the support rod is arranged in the bottom end of the plate body in a clearance fit manner, the pressure spring is arranged in the bottom end of the plate body, the lower end of the pressure spring is welded with the upper end of the support rod, the bottom of the plate body is abutted against one end of the extrusion mechanism, and the folded plate.

As a further improvement of the invention, the extrusion mechanism comprises a linkage plate, a torsion shaft, a pressing plate, a pressing rod and a top block, wherein the linkage plate is hinged with the inner part of the placing groove plate through the torsion shaft, the right end of the upper surface of the linkage plate is welded with the lower end of the pressing rod, the top of the pressing rod is welded with the bottom surface of the pressing plate, the pressing rod penetrates through the inner part of the outer end of the placing groove plate in a clearance fit manner, the top block is arranged on the left side of the upper surface of the linkage plate, the top of the top block is abutted against the bottom of the plate body, the pressing rod is of an arc structure, and the arc center of the pressing rod is positioned at the same point with the axis extension line of the torsion shaft.

As a further improvement of the invention, the probe device comprises a detector, a connecting plate, probes and four abutting mechanisms, wherein the bottom of the detector is fixed with the upper end face of the connecting plate, a guide rod penetrates through the inner part of the outer end of the connecting plate in a clearance fit manner, the top of the detector is fixed with the output end of the cylinder, the lower end of the detector is fixed with the probes, the upper end of the abutting mechanism is slidably mounted in the lower end of the connecting plate, the lower end of the abutting mechanism is positioned under the bottom of the probes, and the probes and the abutting mechanisms are respectively and independently mounted.

As a further improvement of the invention, the collision mechanism comprises a collision ring, a linkage rod, a sliding block and a sliding rod, wherein the collision ring is positioned under the bottom of the probe, the outer side end of the collision ring is hinged with the lower end of the linkage rod, the top of the linkage rod is hinged with the sliding block, the sliding block is slidably installed in the lower end of the connecting plate, the sliding rod penetrates through the inside of the sliding block in a clearance fit manner, the sliding rod is fixedly installed in the lower end of the connecting plate, and the linkage rod, the sliding block and the sliding rod are respectively positioned on the left side and the right side of the collision ring.

The invention has the beneficial effects that:

1. the in-process that probe device descends applys down force to the module, at this moment pushes down the shrink through the fold board, avoids probe device to apply too big extrusion force to the welding point on the module, and after the test was accomplished, make the depression bar carry out the arc and remove through pressing down the preforming, the interlock board left end up carries out the perk to make the module hold up inside placing the frid, prevent to push down test back module card inside placing the frid.

2. The butt ring at first takes place to contact with the welding point in the module, carries out the interlock work through the trace in the butt ring outside, and at this moment the slider carries out steady slip on the slide bar, and the probe stretches out from the conflict intra-annular, contradicts the buffering to the welding point in the probe outside and the module, prevents that the indentation from taking place for the welding point in the module, ensures the fastness of the welding point on the module after the test.

Drawings

Fig. 1 is a schematic structural diagram of a vehicle-mounted electronic device testing apparatus according to the present invention.

FIG. 2 is a schematic structural diagram of a test host according to the present invention.

Fig. 3 is a schematic diagram of an internal structure of a placement device according to the present invention.

Fig. 4 is a partial structural schematic view of a sinking mechanism of the present invention.

Fig. 5 is a schematic perspective view of an extrusion mechanism according to the present invention.

Fig. 6 is a schematic structural diagram of a probe apparatus according to the present invention.

Fig. 7 is a partial perspective view of a collision mechanism according to the present invention.

In the figure: the device comprises a cylinder-1, a test host-2, a controller-3, a switch-4, a shell-21, a placing device-22, a guide rod-23, a probe device-24, a placing groove plate-221, a supporting foot-222, a sinking mechanism-223, a squeezing mechanism-224, a plate body-21 a, a corrugated plate-21 b, a supporting rod-21 c, a pressure spring-21 d, a linkage plate-24 a, a torsion shaft-24 b, a pressing sheet-24 c, a pressing rod-24 d, a top block-24 e, a detector-241, a connecting plate-242, a probe-243, an interference mechanism-244, an interference ring-44 a, a linkage rod-44 b, a sliding block-44 c and a sliding rod-44 d.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example 1:

as shown in figures 1 to 5:

the invention relates to a vehicle-mounted electronic equipment testing device which structurally comprises a cylinder 1, a testing host machine 2, a controller 3 and a switch 4, wherein the lower end of the cylinder 1 is arranged at the middle end of the top of the testing host machine 2 in a clearance fit manner, the lower end of the testing host machine 2 is connected with the top of the controller 3, the switch 4 is embedded in the front end surface of the controller 3 and is electrically connected with the same, the testing host machine 2 comprises a shell 21, a placing device 22, a guide rod 23 and a probe device 24, the lower end of the shell 21 is welded with the top of the controller 3, the lower end of the placing device 22 is arranged on the upper surface of the controller 3, the top of the guide rod 23 is welded with the top end of the inner side of the shell 21, the lower end of the guide rod 23 is welded with the upper surface of the controller 3, the middle end of the top of the probe device 24 is fixed with the output end of the cylinder 1, and the guide rod 23 penetrates through the outer side end of the probe device 24 in a clearance fit manner, the probe device 24 is located right above the placing device 22, and the number of the guide rods 23 is four, and the four guide rods respectively penetrate through four corners inside the outer end of the probe device 24, so that the probe device 24 is ensured to descend stably along the guide rods 23.

Wherein, placer 22 is including placing frid 221, supporting legs 222, mechanism 223, the extrusion mechanism 224 of sinking, it is equipped with supporting legs 222 to place frid 221 bottom four corners, and supporting legs 222 welds in 3 upper surfaces of controller, it adopts clearance fit to install inside placing frid 221 upper end to sink mechanism 223, extrusion mechanism 224 establishes inside placing frid 221 outside end to extrusion mechanism 224 one end is contradicted with mechanism 223 bottom of sinking, extrusion mechanism 224 is equipped with two altogether, establishes respectively and places both ends about frid 221 is inside to contradict with mechanism 223 bottom of sinking about both ends and be connected, do benefit to and upwards jack-up mechanism 223 bottom of sinking, avoid the GPS module card to place frid 221 inside.

Wherein, the mechanism 223 that sinks includes plate body 21a, fold board 21b, branch 21c, pressure spring 21d, plate body 21a upper end is inside to be fixed mutually with fold board 21b lower extreme, branch 21c lower extreme fixed mounting is inside placing frid 221 to branch 21c upper end adopts clearance fit to install inside plate body 21a bottom, plate body 21a bottom is inside to be equipped with pressure spring 21d to pressure spring 21d lower extreme and branch 21c upper end weld mutually, plate body 21a bottom offsets with extrusion mechanism 224 one end, fold board 21b adopts the rubber material, has certain resilience, improves the resilience that the GPS module carried out the pushing down, avoids the GPS module to receive the extrusion force too big.

Wherein, the extrusion mechanism 224 comprises a linkage plate 24a, a torsion shaft 24b, a pressing sheet 24c, a pressing rod 24d and a top block 24e, the linkage plate 24a is hinged with the inner part of the placing groove plate 221 through a torsion shaft 24b, the right end of the upper surface of the linkage plate 24a is welded with the lower end of a pressure lever 24d, the top of the pressure lever 24d is welded with the bottom surface of a pressing sheet 24c, the pressure lever 24d penetrates through the inner part of the outer side end of the placing groove plate 221 by clearance fit, the top block 24e is arranged on the left side of the upper surface of the linkage plate 24a, and the top of the top block 24e is abutted against the bottom of the plate body 21a, the pressure lever 24d is of an arc structure, and the arc center of the compression bar 24d and the axial extension line of the torsion shaft 24b are positioned on the same point, which is beneficial to the compression bar 24d to carry out arc extrusion, so that the interlocking plate 24a swings left and right in an arc shape around the torsion shaft 24b, and the top block 24e at the left end of the interlocking plate 24a stably jacks up the bottom of the plate body 21 a.

The specific use mode and function of the embodiment are as follows:

in the invention, a GPS module is placed in a placing groove plate 221, the output of a control cylinder 1 enables a probe device 24 to vertically descend along a guide rod 23, the contact detection is carried out on a welding point on the GPS module, the probe device 24 applies downward pressure to the GPS module in the descending process, the corrugated plate 21b is pressed down and contracted at the moment, meanwhile, a plate body 21a and a support rod 21c are extruded, the pressure is buffered by the stress of a pressure spring 21d, so that the GPS module is pressed and buffered in the placing groove plate 221, the probe device 24 is prevented from applying overlarge extrusion force to the welding point on the GPS module, the welding point is prevented from generating indentation, after the test is finished, a pressing sheet 24c is used for carrying out arc-shaped movement on a pressing rod 24d, and at the moment, the left end of an interlocking plate 24a tilts upwards under the torsion connection effect of a torsion shaft 24b, the bottom of the plate body 21a is jacked up through the jacking block 24e, so that the GPS module is held up inside the placing groove plate 221, and the GPS module is prevented from being clamped inside the placing groove plate 221 after being pressed down for testing.

Example 2:

as shown in fig. 6 to 7:

wherein, probe device 24 includes detector 241, connecting plate 242, probe 243, conflict mechanism 244, detector 241 bottom is fixed mutually with connecting plate 242 up end to guide bar 23 adopts clearance fit to run through inside connecting plate 242 outside end, detector 241 top is fixed mutually with cylinder 1 output, detector 241 lower extreme is fixed mutually with probe 243, conflict mechanism 244 upper end slidable mounting is inside connecting plate 242 lower extreme, and conflict mechanism 244 lower extreme is located probe 243 under the bottom, probe 243 and conflict mechanism 244 all are equipped with four, independently install respectively, do benefit to and contradict simultaneously and detect different welding points on the GPS module.

Wherein, the interference mechanism 244 comprises an interference ring 44a, a linkage rod 44b, a slider 44c, and a sliding rod 44d, the interference ring 44a is located right below the bottom of the probe 243, and the outer end of the contact ring 44a is hinged with the lower end of the linkage rod 44b, the top of the linkage rod 44b is hinged with the slide block 44c, and the sliding block 44c is slidably installed inside the lower end of the connection plate 242, the sliding rod 44d penetrates inside the sliding block 44c with a clearance fit, the slide rod 44d is fixedly installed inside the lower end of the connecting plate 242, and two linkage rods 44b, two slide blocks 44c and two slide rods 44d are respectively located at the left and right sides of the contact ring 44a, so as to facilitate the contact ring 44a to stably lift on the probe 243, therefore, the outer side of the probe 243 is abutted against the welding point on the GPS module for buffering, and overlarge extrusion force applied to the welding point on the GPS module by the probe 243 is avoided.

The specific use mode and function of the embodiment are as follows:

in the invention, the cylinder 1 drives the detector 241 to descend, and the four corners of the connecting plate 242 descend smoothly along the guide rod 23 to ensure that the detector 241 moves vertically downwards, the contact ring 44a then first makes contact with the solder joint on the GPS module, and, after contact, the detector 241 continues to descend, by the interlocking operation of the interlocking lever 44b abutting against the outer side of the ring 44a, the slider 44c slides smoothly on the slide lever 44d, so that the height between the interference ring 44a and the feeler 243 is changed, when the feeler 243 protrudes from the inside of the interference ring 44a, the welding point to in the GPS module contacts to the buffering of contradicting is carried out to the welding point in probe 243 outside and the GPS module, avoids probe 243 to exert too big extrusion force to the welding point in the GPS module, prevents that the indentation from taking place for the welding point in the GPS module, ensures the fastness of the welding point in the test back GPS module.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.