Waterproof detection device for motor shell

Abstract

The waterproof performance detection device comprises a supporting seat, a processing table is arranged at the top of the supporting seat, a hydraulic cylinder is installed at the top of the processing table, and a monitor is arranged at the position, located on the edge of one side of the processing table, of the top of the supporting seat. According to the utility model, the detection mechanism is arranged, the two ends of the motor housing main body are plugged through the upper plugging block, the lower plugging block and the sealing ring, and the driving motor drives the humidity sensors installed on the inner walls of the two arc-shaped covers to be attached to the outer wall of the motor housing main body; the booster pump is adjusted to inject water into the motor shell, whether the motor shell body leaks water or not is determined by observing changes of values transmitted by the water pressure sensor and the humidity sensor in the monitor, the detection mode is more convenient, and meanwhile the detection accuracy is improved.

Description

Technical Field

[0001] This application relates to the technical field of automotive motor housing detection devices, and particularly to a waterproof detection device for motor housings. Background Art

[0002] In modern automotive industry, as one of the key components, the performance and reliability of automotive motors directly affect the overall operation and safety of vehicles. Automotive motors usually work in various complex environments, inevitably facing situations such as rainwater and accumulated water. Therefore, the waterproof performance of automotive motor housings is crucial.

[0003] Currently, the existing methods for detecting the waterproof performance of automotive motor housings detect the waterproof performance by spraying water on the motor housing, but this method has the problem of inaccurate detection results. Since the intensity and angle of water spraying are difficult to be completely unified, different results will be obtained. Utility Model Content

[0004] To solve the problems raised in the above background art, this application provides a waterproof detection device for motor housings.

[0005] A waterproof detection device for motor housings provided by this application adopts the following technical solutions:

[0006] A waterproof detection device for motor housings includes a support base. A processing table is arranged on the top of the support base. A hydraulic cylinder is installed on the top of the processing table. One end of the hydraulic cylinder passes through a through hole opened on the top of the processing table and is connected to a detection mechanism for detecting the motor housing main body arranged inside the processing table. A monitor is arranged at one side edge of the processing table on the top of the support base. The monitor is connected to the detection mechanism through a connecting wire arranged on one side.

[0007] Preferably, the detection mechanism includes a pressing plate. The top of the pressing plate is connected to one end of the hydraulic cylinder. A top plug is installed at the bottom of the pressing plate. A sealing ring is arranged on the outer wall of one end of the top plug. One end of the top plug is also inserted into the top of one end of the motor housing main body.

[0008] Preferably, a bottom plug is inserted into the bottom of one end of the motor housing main body. The bottom plug is fixedly installed on the inner top surface of the processing table. A water pressure sensor is installed on the top of one end of the bottom plug. The water pressure sensor is connected to the monitor through a connecting wire. The outer walls of one end of the bottom plug and one section of the outer wall of the top plug are provided with the same sealing ring.

[0009] Preferably, two symmetrical fixing blocks are arranged near the edges at both ends of the top of the pressing plate. A driving motor is installed on one side of one of the fixing blocks. The output end of the driving motor is connected to one end of a bidirectional lead screw rotatably installed between the two fixing blocks. Two symmetrical moving blocks are adaptively installed on the bidirectional lead screw.

[0010] Preferably, through holes are formed in the side walls at the other ends of the two moving blocks, and the moving blocks are slidably installed on a slide bar arranged between the two fixing blocks. Two groups of symmetrical connecting rods are arranged at the bottom of the moving blocks.

[0011] Preferably, one end of each of the two groups of connecting rods passes through corresponding sliding grooves formed in the top of the pressing plate and is connected to the top of two arc-shaped covers arranged at the bottom. Humidity sensors are installed on the inner walls of the two arc-shaped covers, and the humidity sensors are attached to the outer wall of the motor housing main body.

[0012] Preferably, a water tank is further arranged at the edge of the hydraulic cylinder on the top of the processing table. A delivery hose is connected to the side wall of the water tank. One end of the delivery hose passes through a through hole formed in the communication between the pressing plate and an upper plug arranged at the bottom.

[0013] In summary, the present application includes the following beneficial technical effects:

[0014] 1. The detection mechanism is provided in the present utility model. The two ends of the motor housing are blocked by the upper plug and the lower plug, and the two ends of the motor housing main body are sealed by two sealing rings, so that the water pressure sensor installed on the top of the lower plug is covered inside the motor housing main body. At the same time, the driving motor drives the humidity sensors installed on the inner walls of the two arc-shaped covers to be attached to the outer wall of the motor housing main body. Then, the pressure booster pump is adjusted to inject water into the motor housing, and the pressure of the pressure booster pump is increased to increase the water pressure inside the motor housing main body. By observing the numerical changes transmitted by the water pressure sensor and the humidity sensor in the monitor, it is confirmed whether the motor housing main body leaks, making the detection method more convenient and improving the detection accuracy at the same time. Description of the Drawings

[0015] Figure 1 is a schematic structural diagram of a waterproof detection device for a motor housing in an embodiment of the present application;

[0016] Figure 2 is a sectional view of the internal structure of the processing table of a waterproof detection device for a motor housing in an embodiment of the present application;

[0017] Figure 3 is a sectional view of the top structure of the pressing plate of a waterproof detection device for a motor housing in an embodiment of the present application;

[0018] Figure 4It is a schematic side view of a waterproof detection device for a motor housing in an embodiment of the present application.

[0019] Explanation of reference numerals: 1, support base; 2, processing table; 3, hydraulic cylinder; 4, main body of the motor housing; 5, monitor; 6, pressing plate; 7, upper plug; 8, sealing ring; 9, lower plug; 10, water pressure sensor; 11, fixing block; 12, driving motor; 13, bidirectional lead screw; 14, movable block; 15, sliding rod; 16, connecting rod; 17, arc-shaped cover; 18, humidity sensor; 19, water tank; 20, delivery hose. Detailed implementation manners

[0020] The following further elaborates on the present application in conjunction with Figure 1 —4.

[0021] The embodiment of the present application discloses a waterproof detection device for a motor housing, including a support base 1. A processing table 2 is arranged on the top of the support base 1. A hydraulic cylinder 3 is installed on the top of the processing table 2. One end of the hydraulic cylinder 3 passes through a through hole opened on the top of the processing table 2 and is connected to a detection mechanism for detecting the main body 4 of the motor housing arranged inside the processing table 2. A monitor 5 is arranged on the top of the support base 1 at one side edge of the processing table 2. The monitor 5 is connected to the detection mechanism through a connecting line arranged on one side.

[0022] Refer to Figure 1 , Figure 2 and Figure 4, The detection mechanism includes a pressing plate 6. The top of the pressing plate 6 is connected to one end of the hydraulic cylinder 3. An upper plug 7 is installed at the bottom of the pressing plate 6. A sealing ring 8 is provided on the outer wall of one end of the upper plug 7. One end of the upper plug 7 is also inserted into the top of one end of the motor housing main body 4. A lower plug 9 is inserted into the bottom of one end of the motor housing main body 4. The lower plug 9 is fixedly installed on the inner top surface of the processing table 2. A water pressure sensor 10 is installed at the top of one end of the lower plug 9. The water pressure sensor 10 is connected to the monitor 5 through a connecting wire. The outer walls of one end of the lower plug 9 and one end of the upper plug 7 are provided with the same sealing ring 8. A water tank 19 is also provided at the top of the processing table 2 at the edge of the hydraulic cylinder 3. A delivery hose 20 is connected to the side wall of the water tank 19. One end of the delivery hose 20 passes through a through hole formed between the pressing plate 6 and the upper plug 7 provided at the bottom. More specifically, place one end of the motor housing main body 4 on the top of the lower plug 9. Drive the hydraulic cylinder 3 to drive the upper plug 7 provided at the bottom of the pressing plate 6 to press the other end of the motor housing main body 4. The sealing rings 8 provided at one end of the upper plug 7 and the lower plug 9 seal both ends of the motor housing main body 4. Then, inject water into the motor housing main body 4 through a booster pump provided on one side of the water tank 19. Increase the water pressure inside the motor housing main body 4 by adjusting the pressure of the booster pump. Observe the change in the value transmitted by the water pressure sensor 10 in the monitor 5 to confirm whether the motor housing main body 4 leaks, making the detection method more convenient.

[0023] Reference Figure 3 , Two symmetrical fixing blocks 11 are provided at the top of the pressing plate 6 near the edges at both ends. A driving motor 12 is installed on one side of one of the fixing blocks 11. The output end of the driving motor 12 is connected to one end of a bidirectional lead screw 13 rotatably installed between the two fixing blocks 11. Two symmetrical movable blocks 14 are fitted on the bidirectional lead screw 13. Through holes are formed in the side walls of the other ends of the two movable blocks 14, and they are slidably installed on a slide bar 15 provided between the two fixing blocks 11. Two groups of symmetrical connecting rods 16 are provided at the bottom of the movable blocks 14. One ends of the two groups of connecting rods 16 pass through corresponding chutes formed at the top of the pressing plate 6 and are connected to the tops of two arc-shaped covers 17 provided at the bottom. Humidity sensors 18 are installed on the inner walls of the two arc-shaped covers 17. The humidity sensors 18 are in contact with the outer wall of the motor housing main body 4. More specifically, during the detection, drive the driving motor 12 provided at the top of the pressing plate 6 to drive the bidirectional lead screw 13 to rotate, so that the two movable blocks 14 slide towards each other along the slide bar 15, and drive the two arc-shaped covers 17 connected to the bottom through the connecting rods 16 to move towards the outer wall of the motor housing main body 4, so that the humidity sensors 18 provided on the inner walls of the two arc-shaped covers 17 are in contact with the outer wall of the motor housing main body 4. Then, observe the change in the value transmitted by the humidity sensor 18 in the monitor 5 to further confirm whether the motor housing main body 4 leaks, making the detection more accurate.

[0024] The implementation principle of a waterproof detection device for a motor housing in an embodiment of the present application is as follows: During use, one end of the motor housing main body 4 is placed on the top of the lower plug 9 provided on the inner top surface of the processing table 2. The driving hydraulic cylinder 3 drives the upper plug 7 provided at the bottom of the pressing plate 6 to press the other end of the motor housing main body 4, and seals both ends of the motor housing main body 4 through the sealing rings 8 provided at one ends of the upper plug 7 and the lower plug 9. At the same time, the driving motor 12 provided on the top of the pressing plate 6 is driven to drive the bidirectional lead screw 13 to rotate, so that the two movable blocks 14 slide towards each other along the slide rod 15, and drive the two arc-shaped covers 17 connected to the bottom of one end of the bottom connecting rod 16 to move towards the outer wall of the motor housing main body 4, so that the humidity sensors 18 provided on the inner walls of the two arc-shaped covers 17 are attached to the outer wall of the motor housing main body 4. Then, the booster pump provided on one side of the water tank 19 is driven to inject water into the motor housing main body 4, and the pressure of the booster pump is adjusted to increase the water pressure inside the motor housing main body 4. Whether the motor housing main body 4 leaks is confirmed by observing the numerical changes transmitted by the water pressure sensor 10 and the humidity sensor 18 in the monitor 5, making the detection method more convenient and improving the detection accuracy at the same time.

[0025] The above are all the preferred embodiments of the present application, and the protection scope of the present application is not limited accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A waterproof detection device for a motor housing, comprising a support base (1), a processing table (2) is arranged on the top of the support base (1), and a hydraulic cylinder (3) is installed on the top of the processing table (2), characterized in that: One end of the hydraulic cylinder (3) passes through a through hole opened at the top of the processing table (2), and is connected to a detection mechanism for detecting the motor housing main body (4) arranged inside the processing table (2). At the top of the support base (1), a monitor (5) is arranged at one side edge of the processing table (2). The monitor (5) is connected to the detection mechanism through a connecting wire arranged on one side.

2. The waterproof detection device for a motor housing according to claim 1, characterized in that: The detection mechanism includes a pressing plate (6). The top of the pressing plate (6) is connected to one end of the hydraulic cylinder (3). A top plug (7) is installed at the bottom of the pressing plate (6). A sealing ring (8) is arranged on the outer wall of one end of the top plug (7). One end of the top plug (7) is also inserted into the top of one end of the motor housing main body (4).

3. The waterproof detection device for the motor housing according to claim 2, wherein: A bottom plug (9) is inserted into the bottom of one end of the motor housing main body (4). The bottom plug (9) is fixedly installed on the inner top surface of the processing table (2). A water pressure sensor (10) is installed at the top of one end of the bottom plug (9). The water pressure sensor (10) is connected to the monitor (5) through a connecting wire. The outer walls of one end of the bottom plug (9) and one end of the top plug (7) are provided with the same sealing ring (8).

4. The waterproof detection device for a motor housing according to claim 2, characterized in that: Two symmetric fixing blocks (11) are arranged at the top of the pressing plate (6) near the edges at both ends. A driving motor (12) is installed on one side of one of the fixing blocks (11). The output end of the driving motor (12) is connected to one end of a bidirectional lead screw (13) rotatably installed between the two fixing blocks (11). Two symmetric movable blocks (14) are adaptively installed on the bidirectional lead screw (13).

5. The waterproof detection device for a motor housing according to claim 4, characterized in that: Through holes are opened on the side walls of the other ends of the two movable blocks (14), and the two movable blocks (14) are slidably installed on a slide bar (15) arranged between the two fixing blocks (11). Two groups of symmetric connecting rods (16) are arranged at the bottoms of the movable blocks (14).

6. The waterproof detection device for a motor housing according to claim 5, characterized in that: One ends of the two groups of connecting rods (16) pass through corresponding sliding grooves opened at the top of the pressing plate (6), and are connected to the tops of two arc-shaped covers (17) arranged at the bottom. Humidity sensors (18) are installed on the inner walls of the two arc-shaped covers (17). The humidity sensors (18) are attached to the outer wall of the motor housing main body (4).

7. The waterproof detection device for a motor housing according to claim 1, characterized in that: A water tank (19) is also arranged at the top of the processing table (2) at the edge of the hydraulic cylinder (3). A delivery hose (20) is connected to the side wall of the water tank (19). One end of the delivery hose (20) passes through a through hole communicated between the pressing plate (6) and the top plug (7) arranged at the bottom.

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