Device for detecting sealing performance of automobile parts

Abstract

The utility model relates to the technical field of automobile part sealing performance detection, in particular to an automobile part sealing performance detection device, which comprises an air intake and exhaust component, a first hose and a connecting component, the connecting component comprises a connecting pipe, one side of the connecting pipe is provided with an insertion pipe, one end of the outer side of the insertion pipe is provided with a mounting frame, and the other end of the outer side of the insertion pipe is provided with a second hose. Air bags are arranged on the outer sides of the insertion pipes, threaded rods are arranged at the two ends of the mounting frame, and clamping blocks are arranged on the inner sides of the threaded rods. The clamping block is used for fixing the connecting component, the fixing operation is convenient and fast, the air bag is used for sealing the joint of the intubation tube and the automobile part, the sealing performance detection precision is improved, the air inlet and exhaust component is used for filtering air in the automobile part in the detection process, pollution of polluted air to the environment is reduced, and the air inlet and exhaust component is used for filtering external air, so that the detection efficiency is improved. And impurities in the air are prevented from entering the automobile parts.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts sealing performance testing technology, specifically a device for testing the sealing performance of automotive parts. Background Technology

[0002] The sealing performance testing of automotive parts is a crucial step in ensuring the quality and performance of automobiles. The objects of automotive parts sealing performance testing include various parts and assemblies, such as engine assemblies, pipe joints, steel balls, end caps, cylinder blocks, cylinder heads, etc. For example, Chinese patent discloses an automotive parts sealing performance testing device (authorization announcement number CN218271286U). This patented technology can detect the sealing performance of parts while preventing water from entering the parts or overflowing onto the ground, thus preventing cleaning difficulties.

[0003] However, existing publicly available automotive component sealing testing devices still have some shortcomings in practical applications that need improvement, such as:

[0004] 1. The connector is connected to the automotive parts by threads, which makes the connection operation less convenient and the sealing performance of the threaded connection cannot be guaranteed, which is not conducive to the accuracy of sealing performance testing.

[0005] 2. During the testing process, gases inside automotive parts are directly discharged, and pollutants in these gases cause environmental pollution. Directly drawing in external air and introducing it into the interior of the automotive parts for testing results in impurities in the air affecting the cleanliness of the parts. Therefore, those skilled in the art have provided a device for testing the sealing performance of automotive parts to solve the problems mentioned in the background art. Utility Model Content

[0006] The purpose of this invention is to provide a device for testing the sealing performance of automotive parts, in order to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] An apparatus for testing the sealing performance of automotive parts includes an intake and exhaust component, a first hose, and a connecting component. The first hose is located on one side of the intake and exhaust component, and the connecting component is located at one end of the first hose.

[0009] The connecting component includes a connecting pipe, an insertion tube is provided on one side of the connecting pipe, a mounting bracket is provided at one outer end of the insertion tube, an airbag is provided on the outer side of the insertion tube, threaded rods are provided at both ends of the mounting bracket, a locking block is provided on the inner side of the threaded rod, and guide rods are provided at both ends of the outer side of the locking block.

[0010] As a further embodiment of this utility model: a first air inlet pipe is provided at the lower end of one side of the airbag, an air pump is installed at the lower end of the first air inlet pipe, and an exhaust pipe is provided at the upper end of one side of the airbag, with a first exhaust valve installed at one end of the exhaust pipe.

[0011] As a further embodiment of this utility model: the intake and exhaust components include a filter box, a filter screen is provided at one end of the filter box, a filter plate is provided on one side of the filter screen, a second intake pipe is provided on one side of the filter box, a second flexible hose is provided at the inner end of the second intake pipe, an exhaust pipe is provided at the other end of the filter box, an exhaust pump is installed on the upper side of the filter box, an inflation pipe is provided at the output end of the exhaust pump, a one-way valve is installed at the outer end of the second intake pipe, a pressure sensor is installed at one end of the second flexible hose, a second exhaust valve is installed at the other end of the second flexible hose, and a third exhaust valve is installed at one end of the inflation pipe.

[0012] As a further embodiment of this utility model: one end of the intake and exhaust component is connected to one end of the connecting component through a first flexible hose, and two sets of the first flexible hose and the connecting component are provided, with both sets of the first flexible hose and the connecting component installed on one side of the intake and exhaust component.

[0013] As a further embodiment of this utility model: the outer end of the threaded rod rotates to the outer end position of the mounting bracket, the inner end of the threaded rod rotates to the outer side position of the locking block, the outer end of the guide rod slides to the outer end position of the mounting bracket, and the first flexible tube is connected to the insertion tube through a connecting tube.

[0014] As a further embodiment of this utility model: the output end of the air pump is connected to the input end of the first air inlet pipe, the output end of the first air inlet pipe is connected to the input end of the airbag, and the output end of the airbag is connected to the input end of the exhaust pipe.

[0015] As a further embodiment of this utility model: the output end of the second air inlet pipe is connected to the input end of the filter box, the filter box is connected to the input end of the air extraction pipe, the output end of the air extraction pipe is connected to the input end of the air filling pipe through an air pump, and the output end of the second hose is connected to the input end of the filter box through the second air inlet pipe.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] 1. A device for testing the sealing performance of automotive parts, which uses a clamping block to fix the connecting components, making the fixing operation convenient and quick, and uses an airbag to seal the connection between the tube and the automotive parts, thereby improving the sealing effect of the connection and improving the accuracy of the sealing performance test.

[0018] 2. A device for testing the sealing performance of automotive parts, which filters the gas inside the automotive parts during the testing process through the intake and exhaust components, thereby reducing the pollution of the environment by polluting gases, and filters the external air through the intake and exhaust components to prevent impurities in the air from entering the interior of the automotive parts. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of a device for testing the sealing performance of automotive parts.

[0020] Figure 2 This is a schematic diagram of a connecting component used in a device for testing the sealing performance of automotive parts.

[0021] Figure 3 This is a perspective view of an intake and exhaust component in an automotive parts sealing testing device.

[0022] In the diagram: 1. Intake and exhaust components; 2. First hose; 3. Connecting component; 4. Connecting pipe; 5. Insertion pipe; 6. Mounting bracket; 7. Airbag; 8. Threaded rod; 9. Locking block; 10. Guide rod; 11. First intake pipe; 12. Inflation pump; 13. Exhaust pipe; 14. First exhaust valve; 15. Filter box; 16. Filter screen; 17. Filter plate; 18. Second intake pipe; 19. Second hose; 20. Suction pipe; 21. Suction pump; 22. Inflation pipe; 23. One-way valve; 24. Pressure sensor; 25. Second exhaust valve; 26. Third exhaust valve. Detailed Implementation

[0023] Please see Figures 1-3In this embodiment of the present invention, a device for testing the sealing performance of automotive parts includes an intake and exhaust component 1, a first hose 2, and a connecting component 3. The first hose 2 is located on one side of the intake and exhaust component 1, and the connecting component 3 is located at one end of the first hose 2. The connecting component 3 includes a connecting pipe 4, an insertion pipe 5 is provided on one side of the connecting pipe 4, a mounting bracket 6 is provided at one outer end of the insertion pipe 5, an airbag 7 is provided on the outer side of the insertion pipe 5, threaded rods 8 are provided at both ends of the mounting bracket 6, a locking block 9 is provided on the inner side of the threaded rod 8, and guide slides are provided at both outer ends of the locking block 9. Rod 10, one end of intake / exhaust component 1 is connected to one end of connecting component 3 via first hose 2. Two sets of first hose 2 and connecting component 3 are provided, and both sets of first hose 2 and connecting component 3 are installed on one side of intake / exhaust component 1. The outer end of threaded rod 8 rotates to the outer end of mounting bracket 6, and the inner end of threaded rod 8 rotates to the outer end of locking block 9. The outer end of guide rod 10 slides to the outer end of mounting bracket 6. First hose 2 is connected to insertion tube 5 via connecting tube 4. First, the first hose 2 and connecting component 3 corresponding to the input end of intake / exhaust component 1 are connected to the automotive parts. The intake pipe of the vehicle is connected to the exhaust pipe of the vehicle component by connecting the first hose 2 and the connecting member 3 at the output end of the corresponding intake and exhaust component 1. During the connection process, the insert 5 and the airbag 7 are inserted into the pipe. The outer end of the threaded rod 8 rotates on the outer end of the mounting bracket 6, and the inner end of the threaded rod 8 rotates on the outer side of the locking block 9. The outer end of the guide rod 10 slides on the outer end of the mounting bracket 6. The locking block 9 presses against the outer side of the pipe, and the airbag 7 expands to seal the connection between the pipe and the insert 5. Then, the testing operation begins. External air enters the interior of the intake and exhaust component 1, and the air filtered inside the intake and exhaust component 1 is introduced into the vehicle. Inside the connecting pipe 4 at the air intake pipe of the vehicle component, the gas inside the connecting pipe 4 is introduced into the air intake pipe of the vehicle component through the insert pipe 5. The connecting component 3 at the corresponding air outlet pipe of the vehicle component is opened, and the gas in the air outlet pipe of the vehicle component enters the interior of the connecting pipe 4 through the insert pipe 5. The gas inside the connecting pipe 4 is introduced into the interior of the intake and exhaust component 1. The intake and exhaust component 1 detects the air pressure and judges the sealing condition of the vehicle component based on the detected air pressure. The detected gas is then introduced into the interior of the intake and exhaust component 1. Finally, the gas inside the airbag 7 is discharged, and the connecting component 3 inside the vehicle component is pulled out.

[0024] exist Figure 2In the middle section: A first air inlet pipe 11 is provided at the lower end of one side of the airbag 7, and an air pump 12 is installed at the lower end of the first air inlet pipe 11. An exhaust pipe 13 is provided at the upper end of one side of the airbag 7, and a first exhaust valve 14 is installed at one end of the exhaust pipe 13. The output end of the air pump 12 is connected to the input end of the first air inlet pipe 11, the output end of the first air inlet pipe 11 is connected to the input end of the airbag 7, and the output end of the airbag 7 is connected to the input end of the exhaust pipe 13. During the connection process, the insertion tube 5 and the airbag 7 are inserted into the pipe, and the screw... The outer end of the threaded rod 8 rotates on the outer end of the mounting bracket 6, the inner end of the threaded rod 8 rotates on the outer side of the locking block 9, the outer end of the guide rod 10 slides on the outer end of the mounting bracket 6, the locking block 9 presses against the outer side of the pipe, the air pump 12 operates to draw in external air through the first air intake pipe 11 and introduce the air into the interior of the airbag 7, the airbag 7 expands and seals the connection between the pipe and the insertion tube 5, finally, the first exhaust valve 14 at one end of the exhaust pipe 13 opens, the gas inside the airbag 7 is discharged through the exhaust pipe 13, and the connecting component 3 inside the automotive parts is pulled out.

[0025] exist Figure 1 , 3The intake and exhaust component 1 includes a filter box 15. A filter screen 16 is installed at one end of the filter box 15, and a filter plate 17 is installed on one side of the filter screen 16. A second intake pipe 18 is installed on one side of the filter box 15, and a second flexible hose 19 is installed at the inner end of the second intake pipe 18. An exhaust pipe 20 is installed at the other end of the filter box 15. An exhaust pump 21 is installed on the upper side of the filter box 15, and an inflation pipe 22 is installed at the output end of the exhaust pump 21. A one-way valve 23 is installed at the outer end of the second intake pipe 18. A pressure sensor 24 is installed at one end of the second flexible hose 19, and a second exhaust valve is installed at the other end of the second flexible hose 19. 25. A third exhaust valve 26 is installed at one end of the inflation pipe 22. The output end of the second air intake pipe 18 is connected to the input end of the filter box 15. The filter box 15 is connected to the input end of the suction pipe 20. The output end of the suction pipe 20 is connected to the input end of the inflation pipe 22 through the suction pump 21. The output end of the second hose 19 is connected to the input end of the filter box 15 through the second air intake pipe 18. The first hose 2 corresponding to the inflation pipe 22 and the connecting member 3 are connected to the air intake pipe of the vehicle component. The first hose 2 corresponding to the second hose 19 and the connecting member 3 are connected to the air outlet pipe of the vehicle component. During the connection process, the insertion tube 5 and the airbag 7 are inserted... The threaded rod 8 rotates at the outer end of the mounting bracket 6, and the inner end of the threaded rod 8 rotates at the outer end of the locking block 9. The outer end of the guide rod 10 slides at the outer end of the mounting bracket 6. The locking block 9 presses against the outer side of the pipe, and the airbag 7 inflates to seal the connection between the pipe and the insertion tube 5. Then, the testing operation begins. The vacuum pump 21 operates, and external air is introduced into the filter box 15 through the one-way valve 23 and the second air intake pipe 18. The filter screen 16 and the filter plate 17 filter the air. The filtered air is introduced into the inflation pipe 22 through the vacuum pipe 20 and the vacuum pump 21. The gas inside the inflation pipe 22 is introduced into the intake of the automotive parts through the third exhaust valve 26. Inside the connecting pipe 4, the gas inside the connecting pipe 4 is introduced into the intake pipe of the automotive component through the insertion pipe 5. The second exhaust valve 25 at the corresponding exhaust pipe of the automotive component is opened, and the gas in the exhaust pipe of the automotive component enters the interior of the connecting pipe 4 through the insertion pipe 5. The gas inside the connecting pipe 4 is introduced into the interior of the second hose 19 through the second exhaust valve 25. The air pressure sensor 24 detects the air pressure inside the second hose 19 and judges the sealing condition of the automotive component based on the detected air pressure. The detected gas is introduced into the interior of the filter box 15 through the second intake pipe 18. The one-way valve 23 prevents the gas from being discharged through the second intake pipe 18.

[0026] The working principle of this utility model is as follows: First, the first hose 2 corresponding to the inflation tube 22 and the connecting member 3 are connected to the air intake pipe of the automotive component, and the first hose 2 corresponding to the second hose 19 and the connecting member 3 are connected to the air outlet pipe of the automotive component. During the connection process, the insertion tube 5 and the airbag 7 are inserted into the pipe, the outer end of the threaded rod 8 rotates on the outer end of the mounting bracket 6, the inner end of the threaded rod 8 rotates on the outer side of the locking block 9, the outer end of the guide rod 10 slides on the outer end of the mounting bracket 6, the locking block 9 presses against the outer side of the pipe, the inflation pump 12 operates to draw in external air through the first air intake pipe 11 and introduce the air into the interior of the airbag 7, the airbag 7 expands and seals the connection between the pipe and the insertion tube 5, and then the testing operation begins. The suction pump 21 operates and external air is introduced into the interior of the filter box 15 through the one-way valve 23 and the second air intake pipe 18. The filter screen 16 and the filter plate 17 filter the air, and the filtered air is guided through the suction pipe 20 and the suction pump 21. The gas inside the inflation tube 22 is introduced into the connecting tube 4 at the air intake pipe of the vehicle component through the third exhaust valve 26. The gas inside the connecting tube 4 is introduced into the air intake pipe of the vehicle component through the insertion tube 5. The second exhaust valve 25 at the corresponding air outlet pipe of the vehicle component is opened. The gas in the air outlet pipe of the vehicle component enters the connecting tube 4 through the insertion tube 5. The gas inside the connecting tube 4 is introduced into the second hose 19 through the second exhaust valve 25. The air pressure sensor 24 detects the air pressure inside the second hose 19 and judges the sealing condition of the vehicle component based on the detected air pressure. The detected gas is introduced into the filter box 15 through the second air intake pipe 18. The one-way valve 23 prevents the gas from being discharged through the second air intake pipe 18. Finally, the first exhaust valve 14 at one end of the exhaust pipe 13 is opened, and the gas inside the airbag 7 is discharged through the exhaust pipe 13. The connecting component 3 inside the vehicle component is then pulled out.

[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A device for testing the sealing performance of automotive parts, characterized in that, It includes an intake and exhaust component (1), a first hose (2) and a connecting component (3), wherein the first hose (2) is located on one side of the intake and exhaust component (1) and the connecting component (3) is located at one end of the first hose (2); The connecting member (3) includes a connecting pipe (4), an insertion tube (5) is provided on one side of the connecting pipe (4), an installation bracket (6) is provided at one end of the outer side of the insertion tube (5), an airbag (7) is provided on the outer side of the insertion tube (5), threaded rods (8) are provided at both ends of the installation bracket (6), a locking block (9) is provided on the inner side of the threaded rod (8), and guide rods (10) are provided at both ends of the outer side of the locking block (9).

2. The device for testing the sealing performance of automotive parts according to claim 1, characterized in that, A first air inlet pipe (11) is provided at the lower end of one side of the airbag (7), and an air pump (12) is installed at the lower end of the first air inlet pipe (11). An exhaust pipe (13) is provided at the upper end of one side of the airbag (7), and a first exhaust valve (14) is installed at one end of the exhaust pipe (13).

3. The device for testing the sealing performance of automotive parts according to claim 1, characterized in that, The intake and exhaust components (1) include a filter box (15), a filter screen (16) is provided at one end of the filter box (15), a filter plate (17) is provided on one side of the filter screen (16), a second intake pipe (18) is provided on one side of the filter box (15), a second hose (19) is provided at the inner end of the second intake pipe (18), an exhaust pipe (20) is provided at the other end of the filter box (15), an exhaust pump (21) is installed on the upper side of the filter box (15), an inflation pipe (22) is provided at the output end of the exhaust pump (21), a one-way valve (23) is installed at the outer end of the second intake pipe (18), a pressure sensor (24) is installed at one end of the second hose (19), a second exhaust valve (25) is installed at the other end of the second hose (19), and a third exhaust valve (26) is installed at one end of the inflation pipe (22).

4. The device for testing the sealing performance of automotive parts according to claim 1, characterized in that, One end of the intake and exhaust component (1) is connected to one end of the connecting component (3) through the first hose (2). There are two sets of the first hose (2) and the connecting component (3). Both sets of the first hose (2) and the connecting component (3) are installed on one side of the intake and exhaust component (1).

5. The device for testing the sealing performance of automotive parts according to claim 1, characterized in that, The outer end of the threaded rod (8) rotates to the outer end position of the mounting bracket (6), the inner end of the threaded rod (8) rotates to the outer side position of the locking block (9), the outer end of the guide rod (10) slides to the outer end position of the mounting bracket (6), and the first hose (2) is connected to the insertion tube (5) through the connecting pipe (4).

6. The device for testing the sealing performance of automotive parts according to claim 2, characterized in that, The output end of the air pump (12) is connected to the input end of the first air inlet pipe (11), the output end of the first air inlet pipe (11) is connected to the input end of the airbag (7), and the output end of the airbag (7) is connected to the input end of the exhaust pipe (13).

7. The device for testing the sealing performance of automotive parts according to claim 3, characterized in that, The output end of the second air inlet pipe (18) is connected to the input end of the filter box (15), the filter box (15) is connected to the input end of the suction pipe (20), the output end of the suction pipe (20) is connected to the input end of the inflation pipe (22) through the suction pump (21), and the output end of the second hose (19) is connected to the input end of the filter box (15) through the second air inlet pipe (18).

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