New energy automobile accessory testing device

Abstract

The invention provides a new energy automobile part testing device, which comprises a shunting seat, a cut-off valve, a pipeline positioning assembly and a butt joint assembly, and is characterized in that the butt joint assembly comprises a butt joint pipe head, a connecting pipe frame, an outer sleeve and an air pump, and the interiors of the two ends of the cut-off valve are in threaded connection with adapter pipe heads; the end, facing the cut-off valve, of the adapter pipe head is sleeved with a second gasket. The technical key points are as follows: a hose in the new energy automobile air conditioning system is mounted outside a shunting pipe head, a hard metal pipe is sleeved outside a connecting pipe frame, and one end of the metal pipe is propped against the surface of a plugging gasket, so that when an air pump pressurizes the inside of a shunting seat, air can be fed into a to-be-detected accessory through a cut-off valve, and the to-be-detected accessory can be detected; the air tightness and the pressure resistance of the automobile parts are judged by judging whether the automobile parts are immersed in water and generate continuous bubbles or not, and the air tightness and the pressure resistance of the automobile parts are suitable for testing work of various devices in an automobile air conditioning system.

Description

Technical Field

[0001] This invention relates to the field of automotive parts testing equipment technology, specifically a testing equipment for new energy vehicle parts. Background Technology

[0002] The main components of new energy vehicles include batteries, motors, electronic control systems, charging equipment, drive controllers, braking systems, suspension systems, safety systems, and on-board equipment. These components together constitute the core power system and auxiliary systems of new energy vehicles.

[0003] As a type of onboard equipment in new energy vehicles, air conditioning components mainly include compressors, heat exchangers, evaporators, condensers, and expansion valves. These components function in key areas such as fluid distribution, heat exchange, and pressure regulation, and their internal structures are often made of copper to ensure thermal conductivity and corrosion resistance. During the refrigeration cycle, the compressor converts low-pressure vapor into high-pressure vapor, which is then liquefied in the condenser and depressurized by the expansion valve before finally completing the heat absorption refrigeration cycle in the evaporator.

[0004] Existing testing devices for air conditioning pipes and accessories in new energy vehicles mainly employ pressurization of the pipes and accessories. By analyzing the leakage under pressure, the functionality and pressure resistance of the relevant automotive components can be assessed. However, in practical applications, because air conditioning pipes and accessories consist of both hard metal and soft rubber materials, it is difficult to use a single testing device to test the pressure resistance and airtightness of different types of components. Furthermore, an air conditioning pressure switch pressure testing machine (publication number CN118090042A) simulates an automotive air conditioning refrigeration pipe and high-pressure switch assembly. The required airflow is injected into the shortened high-pressure pipe and the inner cavity of two valve bodies. By adjusting two progressive nuts, the two driven valve cores can regulate the airflow into the high-pressure pipe cavity. This shortened experimental pipe allows for safe installation at the automotive air conditioning component location, reducing damage to the vehicle while still enabling safe testing of the pressure switch, thus addressing the aforementioned problem. Therefore, providing an environmentally friendly dredging device is a problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0005] To overcome the shortcomings of existing testing devices for air conditioning pipes and accessories in new energy vehicles, which are made of both hard metal and soft rubber materials, making it difficult to use a single testing device to test the pressure resistance and airtightness of different types of related accessories during practical applications, this application provides a testing device for new energy vehicle accessories. This device achieves a basic connection by installing a flexible hose from the new energy vehicle's air conditioning system to the outside of the manifold head. A hard metal tube is then fitted onto the outside of the connecting pipe bracket, with one end of the metal tube resting against the surface of a sealing gasket. When the air pump pressurizes the manifold seat, gas is sent into the interior of the accessory under test through a shut-off valve. The airtightness and pressure resistance of the accessory are determined by observing whether continuous bubbles are generated when the accessory is submerged in water. Even if the testing device itself experiences a slight leak, it does not affect the testing of the accessory, and the leak location is clearly visible. This device is suitable for testing various components in automotive air conditioning systems.

[0006] The technical solution adopted by the embodiments of this application to solve its technical problem is: A testing device for new energy vehicle parts includes a flow divider, a shut-off valve, a pipe positioning assembly, and a docking assembly. The outer wall of the flow divider is integrally formed with multiple flow divider heads. Multiple shut-off valves are provided; The docking component is located on one side of the pipe positioning component, and its top extends into the inside of the pipe positioning component. The docking assembly includes a docking pipe head, with a connecting pipe bracket sleeved on the outer side of the docking pipe head away from the inner support sleeve, and an outer sleeve sleeved on the outer side of the inner support sleeve. The pipe positioning assembly includes an outer liner ring frame, with inner liner rings provided inside both sides of the outer liner ring frame. Three U-shaped frames with equal spacing around its center are welded to the surface of the inner liner ring away from the outer liner ring frame. Clamping sliders are slidably connected inside the three U-shaped frames. Three rubber strips are provided on the inner sides of the two inner liner rings. Assembly joints are fixed to the outer sides of both ends of the three rubber strips. The top of the diverter is fitted with an air pump, and the bottom of the diverter is fitted with a column. Both ends of the shut-off valve are internally threaded with adapters. The outer side of the adapter facing the shut-off valve is fitted with a second gasket. One end of the diverter is connected to the connector via a hose. The interior of the plurality of diverter heads is connected to the interior of the diverter seat, and the second gasket is supported between one end of the shut-off valve and the middle part of the outer side of the transfer head; Two assembly joints on one of the rubber strips are respectively assembled and fixed to the clamping sliders on two inner lining rings. The inner lining rings and the outer lining ring frame are coaxially arranged, and the rubber strip is parallel to the axis of the inner lining rings.

[0007] In one possible implementation, the connecting tube frame includes an outer sleeve, an inner sleeve is provided on the inner side of the outer sleeve, a support plate is integrally formed on the outer surface of one end of the outer sleeve, and a sealing gasket is sleeved on the outside of the outer sleeve. The outer sleeve and the inner sleeve are connected at the ends away from the abutment plate. The inner sleeve is slidably connected to the inner side of the inner support sleeve, and the outer sleeve is slidably connected to the outer side of the inner support sleeve.

[0008] In one possible implementation, a drive carriage is assembled to one side of the clamping slider in a vertical state, and a docking support is formed on the outside of the connecting pipe head. A pull block is assembled to the side of the docking support facing the pipe positioning assembly. The inner side of the bottom of the pulling block and the inner side of the top of the drive slide are both machined with inclined surfaces. As the pulling block moves upward with the clamping slider, the inclined surfaces of the drive slide control the pulling block to move towards one side of the pipe positioning assembly.

[0009] In one possible implementation, the clamping slider is L-shaped, and the side surface of the docking support facing the pipe positioning assembly is integrally formed with ribs. The top surface of the pulling block is in contact with the bottom surface of the rib, and the top surface of the driving carriage is in contact with the top inner wall of the clamping slider.

[0010] In one possible implementation, a positioning base plate is provided at the bottom of the outer liner ring frame, corner posts are welded to the four corners of the top of the positioning base plate, corner plates are welded to the surfaces of the four corner posts facing the short side of the positioning base plate, positioning rods are welded to one side of the two corner posts located at one end of the positioning base plate, and a support spring is provided between the backing plate and the docking support seat. The outer liner ring is assembled between the four corner posts, the docking support is slidably connected to the outside of the two positioning rods, and a nut is connected to one end of each of the two positioning rods to prevent the docking support from detaching from the outside of the two positioning rods. The support spring is sleeved on the outside of the docking pipe head.

[0011] In one possible implementation, the inner support sleeve is externally connected to a first washer near the end of the connecting pipe head, the first washer being supported between the abutment plate and one end of the connecting pipe head, and the support spring being movably connected to the outside of the first washer.

[0012] In one possible implementation, three arc-shaped grooves are provided inside both sides of the outer liner ring frame, and a short rod is machined on the side of the clamping slider facing the center of the outer liner ring frame; Among them, the three arc-shaped grooves are equally spaced around the center of the outer lining ring frame, and the three short rods located on one side of the outer lining ring frame extend into the three arc-shaped grooves on one side of the outer lining ring frame.

[0013] In one possible implementation, the outer liner ring frame has an I-shaped cross-section and an annular groove formed inside it. The outer liner ring frame has an open movable window that connects the annular groove and its inner side. A long rod parallel to its axis is pinned inside the outer liner ring frame. A hydraulic push rod is hinged to the outside of the long rod. One end of the hydraulic push rod is hinged to an arc plate. The two ends of the arc plate are respectively assembled and fixed to the outer walls of the two inner lining rings, and the hydraulic push rod controls the relative movement of the inner lining rings and the outer lining ring frame through the arc plate.

[0014] In one possible implementation, the long rod is externally connected to two positioning sleeves, which are located on both sides of the hydraulic push rod, which is located inside the top of the annular groove.

[0015] In one possible implementation, the bottom of the positioning plate and the bottom of the column are on the same horizontal plane, the plane of the connecting pipe head is lower than the plane of the diverter seat, the water submerges the top of the connecting pipe head, the hydraulic push rod is located above the water, and the automotive parts to be tested are submerged in the water.

[0016] The beneficial effects of this application are as follows: Firstly, in this solution, the basic connection effect is achieved by installing the flexible hose in the air conditioning system of a new energy vehicle to the outside of the splitter head. The rigid metal tube is sleeved on the outside of the connecting pipe frame, and one end of the metal tube is pressed against the surface of the sealing gasket. When the air pump pressurizes the inside of the splitter seat, the gas is sent into the inside of the component to be tested through the shut-off valve. The air tightness and pressure resistance of the component can be judged by whether the continuous bubbles are generated when the component is submerged in water. Even if the testing device itself has a slight leakage, it will not affect the testing of the component. The location of the leakage is also clearly visible. This solution is suitable for testing various components in the automotive air conditioning system. Secondly, in this solution, by attaching a rigid metal tube to the outside of the connecting pipe support, the hydraulic push rod controls the relative movement of the inner lining ring and the outer lining ring frame, allowing the short rod to move inside the arc groove. This controls the clamping slider to move towards the center of the inner lining ring inside the U-shaped frame. Finally, the assembly joint connected to the U-shaped frame drives the rubber strip to move, facilitating the clamping and fixing of the rigid metal tube attached to the outside of the vent sleeve. Simultaneously, the inclined surface of the drive slide cooperates with the inclined surface on the pull block to control the pull block to move towards one side of the pipe positioning assembly, driving the docking support seat to move closer to the pipe positioning assembly outside the two positioning rods. The docking pipe head at the top of the docking support seat compresses the support spring and squeezes the first washer, facilitating the maintenance of the sealing state between the connecting pipe support and the inner support sleeve, and between the rigid metal tube and the connecting pipe support. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of a new energy vehicle parts testing device according to the present invention; Figure 2 This is a schematic diagram of the structure of a shut-off valve in a new energy vehicle parts testing device according to the present invention; Figure 3 This is a schematic diagram of the planar structure of the shunt seat and docking component of a new energy vehicle parts testing device according to the present invention; Figure 4 This is a schematic diagram showing the positional structure of the docking assembly and the pipeline positioning assembly of a new energy vehicle parts testing device according to the present invention. Figure 5 This is a cross-sectional view of the outer ring frame of a new energy vehicle parts testing device according to the present invention; Figure 6 This is an exploded view of a pipeline positioning component of a new energy vehicle parts testing device according to the present invention. Figure 7 This is a cross-sectional view of the docking component of a new energy vehicle parts testing device according to the present invention. Figure 8 This invention relates to a testing device for new energy vehicle parts. Figure 7 Enlarged diagram of section A in the middle; Figure 9 This is a schematic diagram of the planar structure of the docking component and the pipeline positioning component of the new energy vehicle parts testing device of the present invention.

[0018] Figure label: 1. Pipe positioning assembly; 101. Inner lining ring; 102. Rubber strip; 103. Outer lining ring frame; 104. U-shaped frame; 105. Clamping slider; 106. Angle post; 107. Positioning seat plate; 108. Assembly joint; 109. Angle plate; 110. Arc plate; 111. Hydraulic push rod; 112. Positioning sleeve; 113. Long rod; 114. Short rod; 2. Connecting assembly; 201. Connecting pipe joint; 202. Connecting pipe rack; 2021. Outer sleeve; 2022. Inner sleeve; 203. Connecting support seat; 204. Drive carriage; 205. Support spring; 206. First washer; 207. Rib; 208. Pull block; 209. Positioning rod; 210. Support plate; 211. Inner support sleeve; 212. Sealing washer; 3. Circular groove; 4. Air pump; 5. Diverter pipe head; 6. Shut-off valve; 7. Adapter pipe head; 8. Diverter seat; 9. Column; 10. Second washer; 11. Arc groove; 12. Movable window. Detailed Implementation

[0019] The technical solution in this application embodiment is to solve the problems mentioned in the background art, and the overall idea is as follows: Example 1: This embodiment describes the specific structure of a testing device for new energy vehicle components, as detailed in the following reference. Figures 1 to 7 , Figure 9 As shown, it includes a diversion seat 8, multiple shut-off valves 6, a pipe positioning assembly 1 and a docking assembly 2. The docking assembly 2 includes a docking pipe head 201. A connecting pipe bracket 202 is sleeved on the outside of the end of the docking pipe head 201 away from the inner support sleeve 211. An outer sleeve 2021 is sleeved on the outside of the inner support sleeve 211. The pipe positioning assembly 1 includes an outer liner ring 103. Both sides of the outer liner ring 103 are provided with inner liner rings 101. Three U-shaped frames 104 with equal spacing around their center are welded to the surface of the inner liner ring 101 away from the outer liner ring 103. Clamping sliders 105 are slidably connected inside the three U-shaped frames 104. Three rubber strips 102 are provided on the inner side of the two inner liner rings 101. Assembly joints 108 are fixed to the outer sides of both ends of the three rubber strips 102. The outer wall of the diverter seat 8 is integrally formed with multiple diverter pipe heads 5. The docking component 2 is set on one side of the pipe positioning component 1, and its top extends into the inner side of the pipe positioning component 1. The top of the diverter seat 8 is assembled and connected to an air pump 4, and the bottom of the diverter seat 8 is assembled and connected to a column 9. Both ends of the shut-off valve 6 are internally threaded and connected to adapter pipe heads 7. The outer side of the adapter pipe head 7 facing the shut-off valve 6 is fitted with a second gasket 10. The interior of multiple shunt pipe heads 5 is connected to the interior of shunt seat 8. The bottom of the positioning seat plate 107 and the bottom of the column 9 are on the same horizontal plane. The plane of the connecting pipe head 201 is lower than the plane of the shunt seat 8. The water submerges the top of the connecting pipe head 201. The hydraulic push rod 111 is located above the water. The automotive parts to be tested are submerged in the water. By connecting a hose to the connecting pipe head 201 at one end of the shunt pipe head 5, and referring to this method, the hose in the air conditioning system of the new energy vehicle (generally made of plastic or rubber material, and the pipe opening has a certain degree of extensibility to achieve the effect of interference fit to the outside of the shunt pipe head 5) is installed to the outside of the shunt pipe head 5 to achieve the basic connection effect. When the air pump 4 pressurizes the inside of the shunt seat 8, the gas is sent into the interior of the parts to be tested. By observing whether continuous and uninterrupted bubbles are generated when the parts are submerged in water, the air tightness and pressure resistance of the automotive parts can be judged. Meanwhile, for rigid metal tubes (such as copper or aluminum tubes on heat exchangers, and fittings with tubular structures, such as valves), by fitting them onto the outside of the connecting pipe bracket 202, with one end of the metal tube abutting against the surface of the sealing gasket 212, the gas pump 4 can pressurize the inside of the distributor seat 8 and send the gas through the hose, shut-off valve 6, connecting pipe 201 and connecting pipe bracket 202 into the interior of the fitting to be tested to meet the testing requirements. In addition, in order to meet the testing needs of different quantities and types of automotive air conditioning parts, multiple components can be set up to match the pipe positioning assembly 1 and the docking assembly 2. When not in use, the diversion pipe head 5 can be cut off by the shut-off valve 6 to obstruct airflow. Secondly, by supporting the second washer 10 between one end of the shut-off valve 6 and the middle of the outer side of the adapter 7, after the adapter 7 is threadedly connected to the shut-off valve 6, it can play an auxiliary sealing role, preventing a large amount of gas leakage from appearing in the water tank except for the component to be tested. Meanwhile, based on the location of gas leaks in the water, in addition to determining the airtightness and pressure resistance of the automotive parts under test, the condition of the testing device itself can also be monitored during long-term use. Even if the testing device itself experiences a slight leak, it will not affect the testing of automotive parts and can provide a reference for device maintenance (here, if the testing device has a slight leak, it is easy to misjudge the leak location; repair or replacement is more appropriate when the leak has expanded to a more noticeable state). In addition, a pressure testing device can also be used in the testing apparatus to monitor the pressurization status of the air pump 4.

[0020] In this implementation scheme, a basic connection is achieved by installing a flexible hose from the air conditioning system of the new energy vehicle to the outside of the distributor head 5. A rigid metal tube is fitted onto the outside of the connecting pipe bracket 202, with one end of the metal tube abutting the surface of the sealing gasket 212. When the air pump 4 pressurizes the inside of the distributor seat 8, gas is sent into the interior of the component to be tested through the shut-off valve 6. The airtightness and pressure resistance of the automotive component are judged by whether continuous bubbles are generated when the automotive component is submerged in water. Furthermore, the condition of the testing device itself can be monitored during long-term use. Even if the testing device itself experiences a slight leak, it will not affect the testing of the automotive component and can provide a reference for the maintenance of the testing device.

[0021] Example 2: Based on Example 1, this example describes the specific structure of the connecting pipe rack 202, such as... Figures 3 to 8 As shown, the connecting pipe rack 202 includes an outer sleeve 2021, an inner sleeve 2022 is provided on the inner side of the outer sleeve 2021, a support plate 210 is integrally formed on the outer surface of one end of the outer sleeve 2021, a sealing washer 212 is sleeved on the outside of the outer sleeve 2021, a first washer 206 is sleeved on the outside of the inner support sleeve 211 near the end of the connecting pipe head 201, the first washer 206 is supported between the support plate 210 and one end of the connecting pipe head 201, and a support spring 205 is movably connected to the outside of the first washer 206; Among them, the outer sleeve 2021 and the inner sleeve 2022 are connected at the ends away from the abutment plate 210. The inner sleeve 2022 is slidably connected to the inner side of the inner support sleeve 211, and the outer sleeve 2021 is slidably connected to the outer side of the inner support sleeve 211. When the rigid metal tube is sleeved on the outside of the connecting pipe frame 202, the rigid metal tube is pressed by the sealing gasket 212 to perform the sealing function, and the sealing state between the connecting pipe frame 202 and the inner support sleeve 211 is achieved by the first gasket 206, which can prevent gas from leaking from the connection point between the connecting pipe frame 202 and the rigid metal tube. like Figure 5 and Figure 6As shown, three arc-shaped grooves 11 are provided inside both sides of the outer lining ring frame 103. A short rod 114 is machined on the side of the clamping slider 105 facing the center of the outer lining ring frame 103. The three arc-shaped grooves 11 are evenly spaced around the center of the outer lining ring frame 103. The three short rods 114 on one side of the outer lining ring frame 103 extend into the three arc-shaped grooves 11 on one side of the outer lining ring frame 103. The cross-section of the outer lining ring frame 103 is I-shaped, and an annular groove 3 is formed inside it. An movable window 12 connecting the annular groove 3 and its inner side is provided inside the outer lining ring frame 103. A long rod 113 parallel to its axis is pinned inside the outer lining ring frame 103. A hydraulic push rod 111 is hinged to the outside of the long rod 113. One end of the hydraulic push rod 111 is hinged to an arc plate 110. The external sleeve of the long rod 113 has two positioning sleeves 112, which are located on both sides of the hydraulic push rod 111. The hydraulic push rod 111 is located on the inner side of the top of the ring groove 3. Two assembly joints 108 on a rubber strip 102 are respectively assembled and fixed to the clamping sliders 105 on the two inner rings 101. The inner ring 101 and the outer ring frame 103 are coaxially arranged, and the rubber strip 102 is parallel to the axis of the inner ring 101. The bottom of the outer liner ring frame 103 is provided with a positioning seat plate 107. Corner posts 106 are welded to the four corners of the top of the positioning seat plate 107. Corner plates 109 are welded to the surfaces of the four corner posts 106 facing the short side of the positioning seat plate 107. Positioning rods 209 are welded to one side of the two corner posts 106 located at one end of the positioning seat plate 107. A support spring 205 is provided between the abutment plate 210 and the docking support seat 203. The outer liner ring frame 103 is assembled between the four corner posts 106. The docking support seat 203 is slidably connected to the outside of the two positioning rods 209. Nuts are connected to the outside of one end of the two positioning rods 209 to prevent the docking support seat 203 from detaching from the outside of the two positioning rods 209. The support spring 205 is sleeved on the outside of the docking pipe head 201. In this process, by fixing the two ends of the arc plate 110 to the outer walls of the two inner rings 101 respectively, the short rod 114 on the surface of the clamping slider 105 can move inside the arc groove 11 during the process of the hydraulic push rod 111 controlling the relative movement of the inner ring 101 and the outer ring frame 103 using the arc plate 110. This allows the clamping slider 105 to move inside the U-shaped frame 104 towards or away from the center of the inner ring 101. The assembly joint 108 connected to the U-shaped frame 104 then drives the rubber strip 102 to move, which facilitates the clamping and fixing of the rigid metal tube sleeved on the outside of the vent sleeve 204, preventing the rigid metal tube from sliding outside the connecting tube frame 202 (the higher anti-slip requirement stems from the possibility that the rigid metal tube has a higher pressure resistance requirement). Secondly, in order to clamp and fix the rigid metal tube and keep it pressed against the surface of the sealing washer 212, such as... Figure 6 , Figure 7 and Figure 9 As shown, a driving slide 204 is assembled and connected to one side of a clamping slider 105 in a vertical state. A docking support 203 is formed on the outside of the docking pipe head 201. A pulling block 208 is assembled and connected to the side of the docking support 203 facing the pipe positioning assembly 1. The inner side of the bottom of the pulling block 208 and the inner side of the top of the driving slide 204 are both machined with inclined surfaces. By using the inclined surfaces of the driving slide 204 to control the movement of the pulling block 208 towards the side of the pipe positioning assembly 1 as the pulling block 208 moves upward with the clamping slider 105, the docking support 203 can be driven to move closer to the pipe positioning assembly 1 outside the two positioning rods 209. The docking pipe head 201 at the top of the docking support 203 compresses the support spring 205 and squeezes the first washer 206. It is worth noting that if it is necessary to keep the support spring 205 continuously compressed, a spring can be used between the assembly joint 108 and the clamping slider 105. When the clamping slider 105 moves toward the center of the outer liner ring 103, the spring can deform to avoid excessive pressure being applied to the outside of the rigid metal tube. Furthermore, in order to improve the assembly stability of the pull block 208 and the docking support 203, the drive carriage 204 and the clamping slider 105, such as Figure 7 As shown, the clamping slider 105 is L-shaped, and the mating support 203 has an integrally formed rib 207 on the side surface facing the pipe positioning assembly 1. By making the top surface of the pulling block 208 contact the bottom surface of the rib 207, the top surface of the drive slide 204 fits against the top inner wall of the clamping slider 105. After the bolt passes through the inside of the pulling block 208 and connects with the mating support 203, the up-down and left-right movement of the pulling block 208 is restricted. After the bolt passes through the drive slide 204 and connects with the clamping slider 105, the up-down and left-right movement of the drive slide 204 is restricted.

[0022] In this embodiment, by attaching a rigid metal tube to the outside of the connecting tube frame 202, the hydraulic push rod 111 controls the relative movement of the inner lining ring 101 and the outer lining ring frame 103, causing the short rod 114 on the surface of the clamping slider 105 to move inside the arc groove 11. This controls the clamping slider 105 to move towards the center of the inner lining ring 101 inside the U-shaped frame 104. The assembly joint 108 connected to the U-shaped frame 104 drives the rubber strip 102 to move, which facilitates the clamping and fixing of the rigid metal tube attached to the outside of the vent sleeve 204 and prevents the rigid metal tube from sliding outside the connecting tube frame 202. Meanwhile, when the clamping slider 105 moves towards the center of the inner lining ring 101 inside the U-shaped frame 104, the inclined surface of the drive slide 204 cooperates with the inclined surface on the pull block 208 to control the pull block 208 to move towards one side of the pipe positioning assembly 1. This can drive the docking support 203 to move closer to the pipe positioning assembly 1 outside the two positioning rods 209. The docking pipe head 201 at the top of the docking support 203 compresses the support spring 205 and squeezes the first washer 206, which can maintain the sealing state between the connecting pipe rack 202 and the inner support sleeve 211. In addition, when the docking support 203 compresses 205, it pushes the abutment plate 210 to press the sealing gasket 212 onto the end of the rigid metal tube to perform the sealing function. This is beneficial to maintain the sealing state between the connecting pipe bracket 202 and the inner support sleeve 211, and between the rigid metal tube and the connecting pipe bracket 202 simultaneously during the process of fixing the rigid metal sleeve to the outside of the sealing gasket 212. This is simple and convenient.

[0023] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.

Claims

1. A testing device for new energy vehicle parts, characterized in that, include: The flow divider (8) has multiple flow divider heads (5) integrally formed on its outer wall. Multiple shut-off valves (6) are provided; Pipe positioning component (1); The docking component (2) is located on one side of the pipe positioning component (1) and its top extends into the inside of the pipe positioning component (1); The docking assembly (2) includes a docking pipe head (201), and a connecting pipe bracket (202) is sleeved on the outside of the end of the docking pipe head (201) away from the inner support sleeve (211), and an outer sleeve (2021) is sleeved on the outside of the inner support sleeve (211). The pipe positioning assembly (1) includes an outer liner ring frame (103), and inner liner rings (101) are provided inside both sides of the outer liner ring frame (103). Three U-shaped frames (104) with equal spacing around its center are welded to the surface of the inner liner ring (101) away from the outer liner ring frame (103). Clamping sliders (105) are slidably connected inside the three U-shaped frames (104). Three rubber strips (102) are provided on the inner side of the two inner liner rings (101). Assembly joints (108) are fixed to the outer sides of both ends of the three rubber strips (102). The top of the diverter seat (8) is fitted with an air pump (4), and the bottom of the diverter seat (8) is fitted with a column (9). Both ends of the shut-off valve (6) are threaded with adapter pipes (7). The adapter pipes (7) facing the shut-off valve (6) are fitted with a second gasket (10). One end of the diverter pipe head (5) is connected to the connecting pipe head (201) through a hose. The interior of the plurality of diverter heads (5) is connected to the interior of the diverter seat (8), and the second gasket (10) is supported between one end of the shut-off valve (6) and the middle part of the outer side of the adapter head (7); Two assembly joints (108) on one of the rubber strips (102) are respectively assembled and fixed to the clamping sliders (105) on the two inner lining rings (101). The inner lining rings (101) and the outer lining ring frame (103) are coaxially arranged, and the rubber strip (102) is parallel to the axis of the inner lining rings (101).

2. The new energy vehicle parts testing device as described in claim 1, characterized in that: The connecting pipe rack (202) includes an outer sleeve (2021), an inner sleeve (2022) is provided on the inner side of the outer sleeve (2021), a support plate (210) is integrally formed on the outer surface of one end of the outer sleeve (2021), and a sealing gasket (212) is sleeved on the outside of the outer sleeve (2021). The outer sleeve (2021) and the inner sleeve (2022) are connected at the ends away from the support plate (210). The inner sleeve (2022) is slidably connected to the inner side of the inner support sleeve (211), and the outer sleeve (2021) is slidably connected to the outer side of the inner support sleeve (211).

3. The new energy vehicle parts testing device as described in claim 1, characterized in that: In a vertical state, a drive slide (204) is assembled and connected to one side of one of the clamping sliders (105), and a docking support (203) is formed on the outside of the docking pipe head (201). A pull block (208) is assembled and connected to the side of the docking support (203) facing the pipe positioning assembly (1). The inner side of the bottom of the pull block (208) and the inner side of the top of the drive slide (204) are both machined with inclined surfaces. As the pull block (208) moves upward with the clamping slider (105), the inclined surface of the drive slide (204) controls the pull block (208) to move towards one side of the pipe positioning assembly (1).

4. The new energy vehicle parts testing device as described in claim 3, characterized in that: The clamping slider (105) is L-shaped, and the docking support (203) has an integrally formed rib (207) on the side surface facing the pipe positioning assembly (1). The top surface of the pull block (208) is in contact with the bottom surface of the rib (207), and the top surface of the drive carriage (204) is in contact with the top inner wall of the clamping slider (105).

5. A testing device for new energy vehicle parts as described in claim 2, characterized in that: The bottom of the outer liner ring frame (103) is provided with a positioning seat plate (107). Corner posts (106) are welded to the four corners of the top of the positioning seat plate (107). Corner plates (109) are welded to the surfaces of the four corner posts (106) facing the short side of the positioning seat plate (107). Positioning rods (209) are welded to one side of the two corner posts (106) located at one end of the positioning seat plate (107). A support spring (205) is provided between the support plate (210) and the docking support seat (203). The outer liner ring (103) is assembled between the four corner posts (106), the docking support (203) is slidably connected to the outside of the two positioning rods (209), and a nut is connected to one end of each of the two positioning rods (209) to restrict the docking support (203) from detaching from the outside of the two positioning rods (209). The support spring (205) is sleeved on the outside of the docking pipe head (201).

6. The new energy vehicle parts testing device as described in claim 5, characterized in that: The inner support sleeve (211) is externally connected to a first washer (206) near the end of the connecting pipe (201). The first washer (206) is supported between the support plate (210) and one end of the connecting pipe (201). The support spring (205) is movably connected to the outside of the first washer (206).

7. The new energy vehicle parts testing device as described in claim 5, characterized in that: Three arc-shaped grooves (11) are provided inside both sides of the outer liner ring frame (103), and a short rod (114) is machined on the side of the clamping slider (105) facing the center of the outer liner ring frame (103). Among them, the three arc-shaped grooves (11) are equally spaced around the center of the outer lining ring frame (103), and the three short rods (114) located on one side of the outer lining ring frame (103) extend into the three arc-shaped grooves (11) on one side of the outer lining ring frame (103).

8. The new energy vehicle parts testing device as described in claim 7, characterized in that: The outer lining ring frame (103) has an I-shaped cross section and an annular groove (3) formed inside it. The outer lining ring frame (103) has a connecting annular groove (3) and an movable window (12) on its inner side. The outer lining ring frame (103) has a long rod (113) pinned inside it parallel to its axis. The long rod (113) has a hydraulic push rod (111) hinged to the outside. One end of the hydraulic push rod (111) is hinged to an arc plate (110). The two ends of the arc plate (110) are respectively assembled and fixed to the outer walls of the two inner lining rings (101), and the hydraulic push rod (111) controls the relative movement of the inner lining ring (101) and the outer lining ring frame (103) through the arc plate (110).

9. A testing device for new energy vehicle parts as described in claim 8, characterized in that: The long rod (113) has two positioning sleeves (112) connected to its external sleeve. The two positioning sleeves (112) are located on both sides of the hydraulic push rod (111), and the hydraulic push rod (111) is located on the inner side of the top of the annular groove (3).

10. A testing device for new energy vehicle parts as described in claim 8, characterized in that: The bottom of the positioning plate (107) and the bottom of the column (9) are on the same horizontal plane. The plane of the connecting pipe (201) is lower than the plane of the diverter (8). The water submerges the top of the connecting pipe (201). The hydraulic push rod (111) is above the water. The automotive parts to be tested are submerged in the water.

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