Tool for passivating plug pins of ECU (Electronic Control Unit) shell

Abstract

The utility model relates to the technical field of steering systems, in particular to a tool for passivating plug pins of an ECU (Electronic Control Unit) shell. A tool for passivating plug pins of an ECU (electronic control unit) shell comprises a passivating tank and is characterized in that a carrier plate is arranged above the passivating tank, and the periphery of the carrier plate is connected with a bottom plate of the passivating tank; a partition plate is arranged on a bottom plate of the passivation tank, and the bottom of the passivation tank is connected with a liquid discharge valve and a liquid level meter. The periphery of the bottom of the passivation tank is connected with supporting legs. Compared with the prior art, the tool for passivating the plug pins of the ECU shell has the advantages that the plug pins with passivation defects are passivated manually through the passivating tool, so that the ECU scrapping problem caused by the passivation defects is reduced, and the scrapping cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a steering system technical field, specifically a kind of tool for ECU shell plug-in pin passivation. BACKGROUND

[0002] ECU is in assembly process, the plug-in pin of shell is pressed and is installed on the heat sink of ECU by press machine, there is the control of pressing force in crimping process, if the pressing force is overproof, product will be judged as defective and scrapped.

[0003] The main reason for causing the overproof of pressing force in current assembly process is that the plug-in pin is not passivated or not completely passivated, so a passivation tool is needed to passivate the shell with abnormal plug-in pin passivation again manually, so that the surface of plug-in pin is more uniform and smooth, thereby reducing the scrapping caused by the overproof of pressing force in crimping process. SUMMARY

[0004] The utility model provides a kind of tool for ECU shell plug-in pin passivation to overcome the deficiency of prior art, passivate plug-in pin with passivation defect manually by the passivation tool, to reduce the problem of ECU scrapping caused by its passivation defect, reduce the cost of scrapping.

[0005] To achieve the above-mentioned purpose, a kind of tool for ECU shell plug-in pin passivation is designed, including passivation groove, characterized by: load plate is arranged above passivation groove, and the periphery of load plate is connected with the bottom plate of passivation groove;A partition is arranged on the bottom plate of passivation groove, and the bottom of passivation groove is respectively connected with liquid discharge valve and liquid level meter;The periphery of the bottom of passivation groove is respectively connected with support leg.

[0006] The load plate is a rectangular panel structure, and a plurality of ECU shell placing holes are arranged on the load plate, and the left and right sides on the load plate are respectively connected with handles;The periphery of the bottom of load plate is respectively connected with the periphery of the bottom plate of passivation groove through guide rod, and reset spring is sleeved on the guide rod.

[0007] A limiting rod is arranged between the front and rear guide rods, and the top of limiting rod is connected with the bottom of load plate.

[0008] The partition is provided with two, and the two partitions are respectively located at the left and right sides in the passivation groove.

[0009] The partition is a rectangular panel structure.

[0010] The passivation groove is a rectangular frame structure, and a liquid level meter hole and a plurality of flow guide holes are arranged at the bottom of passivation groove, the liquid level meter hole is connected with liquid level meter through liquid pipeline, and the flow guide hole is connected with liquid discharge valve through flow guide pipeline.

[0011] Compared with the prior art, the utility model discloses a tool for ECU shell plug-in pin passivation, and the plug-in pin with passivation defects is passivated manually through the passivation tool to reduce the ECU scrapping problem caused by the passivation defects and reduce the scrapping cost. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structure schematic diagram of the utility model.

[0013] Figure 2 It is the structure partial schematic diagram of the utility model.

[0014] Figure 3 It is the passivation tank bottom schematic diagram.

[0015] Figure 4 It is the ECU shell structure schematic diagram. DETAILED DESCRIPTION

[0016] The utility model will be further explained according to the drawings.

[0017] As Figures 1 to 3 Shown, the upper portion of passivation tank 14 is equipped with carrier plate 10, and the periphery of carrier plate 10 is connected with the bottom plate of passivation tank 14;The bottom plate of passivation tank 14 is equipped with partition 8, and the bottom of passivation tank 14 is connected with liquid discharge valve 2 and liquid level meter 5 respectively;The periphery of the bottom of passivation tank 14 is connected with support foot 1 respectively.

[0018] Carrier plate 10 is rectangular panel structure, and carrier plate 10 is equipped with a plurality of ECU shell placing holes 15, and the left and right sides on carrier plate 10 are connected with handle 7 respectively;The periphery of the bottom of carrier plate 10 is connected with the periphery of the bottom plate of passivation tank 14 through guide rod 4 respectively, and reset spring 3 is sleeved on guide rod 4.

[0019] Limiting rod 6 is arranged between the front and rear guide rods 4, and the top of limiting rod 6 is connected with the bottom of carrier plate 10.

[0020] Partition 8 is equipped with 2, and the two partitions 8 are located at the left and right sides in passivation tank 14 respectively.

[0021] Partition 8 is rectangular panel structure.

[0022] Passivation tank 14 is rectangular frame structure, and liquid level meter hole 12 and a plurality of flow guide holes 11 are arranged at the bottom of passivation tank 14, liquid level meter hole 12 is connected with liquid level meter 5 through liquid pipeline, and flow guide hole 11 is connected with liquid discharge valve 2 through flow guide pipeline.

[0023] 4 support feet 1 support the entire passivation tool (i.e. the passivation tank 14 and the carrier plate 10 above it), the passivation tank 14 is respectively provided with 4 guide rods 4, and the 4 guide rods 4 are respectively sleeved with 4 return springs 3 to support the carrier plate 10; before starting passivation, the operator observes the liquid level meter 5 to determine whether the passivation liquid in the passivation tank 14 is low, when the liquid level is low, it is necessary to add passivation liquid to the passivation tank 14, and the maximum depth of the passivation liquid is determined by the partition plate 8, and the partition plate 8 can effectively prevent leakage due to too much passivation liquid.

[0024] The operator places the ECU shell 9 to be passivated into the ECU shell placing hole 15 on the carrier plate 10, holds the handle 7 on the carrier plate 10 with both hands, and presses downward, so that the plug-in pin 13 on the ECU shell 9 is in contact with the passivation liquid in the passivation tank 14, and the maximum height of passivation is determined by the limiting rod 6.

[0025] When the passivation work is completed, the passivation liquid can be discharged from the liquid discharge valve 2 through the three flow guide holes 11 at the bottom of the passivation tank 14, the passivation liquid is discharged for collection and recycling.

[0026] The utility model discloses design simple, personnel easy operation, through this tool solves the cost scrappage and equipment downtime due to the plug-in pin passivation defect in the production manufacturing process. Meet the production end continuous improvement and cost saving requirement.

Claims

1. A tool for ECU housing pin insertion passivation, comprising a passivation slot, characterized in that: The upper part of the passivation tank (14) is provided with a carrier plate (10), the periphery of the carrier plate (10) is connected with the bottom plate of the passivation tank (14); the bottom plate of the passivation tank (14) is provided with a partition plate (8), the bottom part of the passivation tank (14) is respectively connected with a liquid discharge valve (2) and a liquid level meter (5); the periphery of the bottom part of the passivation tank (14) is respectively connected with a supporting leg (1).

2. The tool for ECU housing pin insertion passivation according to claim 1, characterized in that: The carrier plate (10) is a rectangular panel structure, the carrier plate (10) is provided with a plurality of ECU shell placing holes (15), the left and right sides of the carrier plate (10) are respectively connected with handles (7); the periphery of the bottom part of the carrier plate (10) is respectively connected with the periphery of the bottom plate of the passivation tank (14) through guide rods (4), and the guide rods (4) are provided with reset springs (3).

3. The tool for ECU housing pin insertion passivation according to claim 2, characterized in that: A limiting rod (6) is arranged between the front and rear guide rods (4), and the top of the limiting rod (6) is connected with the bottom of the carrier plate (10).

4. The tool for ECU housing pin insertion passivation according to claim 1, characterized in that: The partition plate (8) is provided with two, and the two partition plates (8) are respectively arranged at the left and right positions in the passivation tank (14).

5. The tool for ECU housing pin insertion passivation according to claim 1 or 4, characterized in that: The partition plate (8) is a rectangular panel structure.

6. The tool for ECU housing pin insertion passivation as claimed in claim 1 wherein: The passivation tank (14) is a rectangular frame structure, the bottom part of the passivation tank (14) is provided with a liquid level meter hole (12) and a plurality of flow guide holes (11), the liquid level meter hole (12) is connected with the liquid level meter (5) through a liquid pipeline, and the flow guide holes (11) are connected with the liquid discharge valve (2) through a flow guide pipeline.

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