A device for rapid detection of exhaust gas recirculation valve

Abstract

The utility model discloses a kind of exhaust gas recirculation valve quick detection device, it is related to valve detection technical field, including support table, vibrating spring and detection table, further include: support frame, circulation mechanism is set on support frame, fixed key, installation groove, mounting ring, fixed mechanism is set on fixed key, external thread groove, rotating key, clamping mechanism is set on detection table, vibrating mechanism is set on support table;Through the cooperation between rotating key, fixed mechanism and fixed key, the replacement of mounting ring is realized, to realize the connection of multiple interface types, effectively improve the detection efficiency, and improve the adaptability of device;Through the cooperation between clamping mechanism and vibrating mechanism, the vibration state of exhaust gas recirculation valve when working is realized, to improve the accuracy of detection.

Description

Technical Field

[0001] This utility model relates to the field of valve testing technology, and in particular to a quick testing device for exhaust gas recirculation valves. Background Technology

[0002] The exhaust gas recirculation valve (EGR valve) is one of the key components in the automotive emission control system. Its main function is to reintroduce a portion of the exhaust gas into the intake manifold, mix it with fresh air, and then enter the combustion chamber, thereby reducing the combustion temperature and reducing nitrogen oxide emissions.

[0003] However, the EGR valves of different vehicle models have significant differences in structural design. Existing detection devices are difficult to be compatible with EGR valves of various interface types, resulting in limited detection efficiency and adaptability. Therefore, improvements are urgently needed. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a quick detection device for exhaust gas recirculation valve, which aims to solve the above-mentioned technical problems.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A quick testing device for an exhaust gas recirculation valve includes a support platform, a vibration spring, and a testing platform, and further includes:

[0007] The support frame is fixedly mounted on the support platform;

[0008] A circulation mechanism, mounted on the support frame, is used for the circulation of exhaust gas;

[0009] There are two fixed keys, which are set on the circulation mechanism;

[0010] There are four mounting slots, and the four mounting slots are set on the fixing key;

[0011] An installation ring is mounted on the fixing key and is slidably connected to the fixing key.

[0012] The fixing mechanism includes four mechanisms, which are mounted on the fixing key to fix the position of the mounting ring.

[0013] The device has two external threaded grooves, which are located on the fixing key.

[0014] A rotary key is disposed on the fixed key and threadedly connected to the fixed key;

[0015] A clamping mechanism, mounted on the testing platform, is used to fix the position of the exhaust gas recirculation valve;

[0016] A vibration mechanism is mounted on the support platform.

[0017] Preferably, the circulation mechanism includes:

[0018] The exhaust gas storage box is fixedly installed on the support frame;

[0019] A circulating pump is mounted on the support frame and fixedly connected to the support frame;

[0020] An injection tube is disposed on the circulation pump, and one end of the injection tube is fixedly connected to the circulation pump;

[0021] A connecting pipe is provided on the circulating pump and the waste gas storage tank. One end of the connecting pipe is fixedly connected to the circulating pump, and the other end of the connecting pipe is fixedly connected to the waste gas storage tank.

[0022] A receiving pipe is installed on the waste gas storage box, and one end of the receiving pipe is fixedly connected to the waste gas storage box.

[0023] Preferably, the fixing mechanism includes:

[0024] Four telescopic springs are provided, and the four telescopic springs are set on the fixed key, with one end of each telescopic spring being fixedly connected to the fixed key.

[0025] Four movable keys are provided, which are slidably mounted on the fixed key and fixedly connected to the other end of the telescopic spring.

[0026] There are four movable levers, and the four movable levers are fixedly mounted on the movable key;

[0027] There are four fixing rods, which are fixedly connected to the movable key.

[0028] Preferably, the clamping mechanism includes:

[0029] Two first fixing plates are provided, and the two first fixing plates are symmetrically fixedly disposed on the detection platform;

[0030] The first motor is fixedly mounted on the first fixing plate;

[0031] A bidirectional screw is rotatably mounted on the first fixed plate, and one end of the bidirectional screw is fixedly connected to the output end of the first motor.

[0032] There are two moving mechanisms, which are symmetrically arranged on the bidirectional screw.

[0033] Preferably, the moving mechanism includes:

[0034] Two movable plates are provided, which are symmetrically arranged on the bidirectional screw and threadedly connected to the bidirectional screw. The movable plates are slidably connected to the detection table.

[0035] Two clamping plates are provided, and the two clamping plates are fixedly mounted on the movable plate.

[0036] Preferably, the vibration mechanism comprises:

[0037] There are four second fixing plates, which are fixedly mounted on the support platform.

[0038] The second motor is fixedly mounted on the second fixing plate;

[0039] A first rotating rod is rotatably mounted on the second fixed plate, and one end of the first rotating rod is fixedly connected to the output end of the second motor.

[0040] The second rotating rod is disposed on the second fixed plate and rotates with the second fixed plate.

[0041] Multiple eccentric rotary keys are provided, with multiple eccentric rotary keys fixedly mounted on the first rotating rod and multiple eccentric rotary keys fixedly mounted on the second rotating rod.

[0042] Preferably, the first rotating rod is provided with a transmission belt, which is connected to the pulley of the first rotating rod and to the pulley of the second rotating rod, for transmitting kinetic energy to drive the second rotating rod to rotate; two sealing rings are fixedly provided on the fixing key to prevent exhaust gas from leaking from the connection port.

[0043] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0044] The mounting ring can be replaced by the cooperation between the rotary key, the fixing mechanism, and the fixing key, thereby enabling the connection of various interface types, effectively improving the detection efficiency and enhancing the adaptability of the device; the vibration state of the exhaust gas recirculation valve during operation is controlled by the cooperation between the clamping mechanism and the vibration mechanism, thereby improving the accuracy of the detection. Attached Figure Description

[0045] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0046] Figure 1A three-dimensional structural schematic diagram of a quick detection device for an exhaust gas recirculation valve is shown.

[0047] Figure 2 It shows Figure 1 A frontal sectional view.

[0048] Figure 3 It shows Figure 2 A magnified view of a portion of point A in the middle.

[0049] Figure 4 It shows Figure 1 A partial three-dimensional structural diagram.

[0050] Figure 5 It shows Figure 4 A partial three-dimensional structural diagram.

[0051] Figure 6 It shows Figure 5 An explosion diagram.

[0052] Legend:

[0053] 1. Support platform; 2. Vibration spring; 3. Testing platform; 4. Support frame; 5. Fixing key; 6. Mounting slot; 7. Mounting ring; 8. External threaded groove; 9. Rotary key; 10. Waste gas storage box; 11. Circulation pump; 12. Injection pipe; 13. Connecting pipe; 14. Receiving pipe; 15. Telescopic spring; 16. Moving key; 17. Moving rod; 18. Fixing rod; 19. First fixing plate; 20. First motor; 21. Bidirectional screw; 22. Moving plate; 23. Clamping plate; 24. Second fixing plate; 25. Second motor; 26. First rotating rod; 27. Second rotating rod; 28. Eccentric rotating key; 29. ​​Transmission belt; 30. Sealing ring. Detailed Implementation

[0054] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0055] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0056] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0057] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0058] Reference Figures 1 to 6 The present invention provides a further description of an embodiment of a quick detection device for an exhaust gas recirculation valve.

[0059] A quick detection device for an exhaust gas recirculation valve includes a support platform 1, a vibration spring 2, and a detection platform 3. One end of the vibration spring 2 is fixedly connected to the support platform 1, and the other end of the vibration spring 2 is fixedly connected to the detection platform 3. The detection platform 3 is slidably connected to the support platform 1. The device also includes:

[0060] The support frame 4 is fixedly mounted on the support platform 1; it serves to support the waste gas storage tank 10 and the circulating pump 11.

[0061] Reference Figure 2 In a preferred embodiment, a circulation mechanism is disposed on the support frame 4 for circulating exhaust gas; the circulation mechanism includes:

[0062] The exhaust gas storage box 10 is fixedly installed on the support frame 4;

[0063] A circulating pump 11 is mounted on the support frame 4 and is fixedly connected to the support frame 4.

[0064] An injection pipe 12 is disposed on the circulation pump 11, and one end of the injection pipe 12 is fixedly connected to the circulation pump 11;

[0065] A connecting pipe 13 is provided on the circulating pump 11 and the waste gas storage tank 10. One end of the connecting pipe 13 is fixedly connected to the circulating pump 11, and the other end of the connecting pipe 13 is fixedly connected to the waste gas storage tank 10.

[0066] A receiving pipe 14 is disposed on the waste gas storage box 10, and one end of the receiving pipe 14 is fixedly connected to the waste gas storage box 10.

[0067] During operation, the circulation pump 11 is started. The circulation pump 11 draws the waste gas in the waste gas storage tank 10 through the connecting pipe 13 and inputs it into the waste gas recirculation valve through the injection pipe 12. The detected gas is input into the waste gas storage tank 10 through the receiving pipe 14 to realize the recycling of gas.

[0068] Reference Figure 3 , Figure 5 and Figure 6 In a preferred embodiment, two fixing keys 5 are provided, and the two fixing keys 5 are disposed on the circulation mechanism; two sealing rings 30 are fixedly provided on the fixing keys 5 to prevent exhaust gas from leaking from the connection port.

[0069] There are four mounting slots 6, which are disposed on the fixing key 5.

[0070] The mounting ring 7 is mounted on the fixing key 5 and is slidably connected to the fixing key 5; the mounting ring 7 is replaceable to allow connection with different exhaust gas recirculation valves.

[0071] The fixing mechanism includes four parts, which are mounted on the fixing key 5 to fix the position of the mounting ring 7; the fixing mechanism includes:

[0072] Four telescopic springs 15 are provided, and the four telescopic springs 15 are disposed on the fixed key 5, with one end of each telescopic spring 15 being fixedly connected to the fixed key 5.

[0073] Four movable keys 16 are provided. The four movable keys 16 are slidably disposed on the fixed key 5 and are fixedly connected to the other end of the telescopic spring 15.

[0074] There are four movable levers 17, and the four movable levers 17 are fixedly mounted on the movable key 16;

[0075] There are four fixing rods 18, which are fixedly connected to the movable key 16.

[0076] There are two external threaded grooves 8, which are disposed on the fixing key 5.

[0077] Rotary key 9 is disposed on the fixed key 5 and threadedly connected to the fixed key 5;

[0078] During operation, the rotary key 9 is manually rotated, causing it to move away from the mounting ring 7. At this time, the telescopic spring 15 releases its elastic potential energy, driving the movable key 16 to move away from the mounting ring 7. The movable key 16 drives the fixed rod 18 to move, thereby releasing the fixing of the mounting ring 7. The mounting ring 7 is then removed from the mounting slot 6 by rotating it. After replacing it with a suitable mounting ring 7, the rotary key 9 is rotated, causing the movable rod 17 to move closer to the mounting ring 7. The movable rod 17 drives the movable key 16 to move, and the movable key 16 drives the fixed rod 18 to move. The fixed rod 18 then fixes the mounting ring 7, thus enabling the connection of various interface types.

[0079] Reference Figure 1 and Figure 2 In a preferred embodiment, a clamping mechanism is disposed on the detection platform 3 for fixing the position of the exhaust gas recirculation valve; the clamping mechanism includes:

[0080] Two first fixing plates 19 are provided, and the two first fixing plates 19 are symmetrically fixed on the detection table 3;

[0081] The first motor 20 is fixedly mounted on the first fixing plate 19;

[0082] A bidirectional screw 21 is rotatably mounted on the first fixed plate 19, and one end of the bidirectional screw 21 is fixedly connected to the output end of the first motor 20.

[0083] Two moving mechanisms are provided, symmetrically arranged on the bidirectional screw 21. Each moving mechanism includes:

[0084] Two movable plates 22 are provided, and the two movable plates 22 are symmetrically arranged on the bidirectional screw 21 and threadedly connected to the bidirectional screw 21. The movable plates 22 are slidably connected to the detection table 3.

[0085] Two clamping plates 23 are provided, and the two clamping plates 23 are fixedly mounted on the movable plate 22.

[0086] During operation, the first motor 20 is started, which drives the bidirectional screw 21 fixedly connected to its output end to rotate. The bidirectional screw 21 drives two moving plates 22 to move towards each other, and the moving plates 22 drive two clamping plates 23 to move towards each other. The clamping plates 23 fix different types of exhaust gas recirculation valves, so that the exhaust gas recirculation valves can vibrate together with the detection table 3. The first fixed plate 19 is started to limit the position of the bidirectional screw 21 and the first motor 20.

[0087] Reference Figure 1 and Figure 4 In a preferred embodiment, a vibration mechanism is disposed on the support platform 1. The vibration mechanism includes:

[0088] There are four second fixing plates 24, which are fixedly installed on the support platform 1.

[0089] The second motor 25 is fixedly mounted on the second fixing plate 24;

[0090] A first rotating rod 26 is rotatably mounted on the second fixed plate 24. One end of the first rotating rod 26 is fixedly connected to the output end of the second motor 25. A transmission belt 29 is provided on the first rotating rod 26. The transmission belt 29 is connected to the pulley of the first rotating rod 26 and to the pulley of the second rotating rod 27, which is used to transmit kinetic energy to drive the second rotating rod 27 to rotate.

[0091] The second rotating rod 27 is disposed on the second fixed plate 24 and rotates with the second fixed plate 24.

[0092] Multiple eccentric rotation keys 28 are provided. Multiple eccentric rotation keys 28 are fixedly disposed on the first rotating rod 26 and multiple eccentric rotation keys 28 are fixedly disposed on the second rotating rod 27.

[0093] During operation, the second motor 25 is started, which drives the first rotating rod 26, which is fixedly connected to its output end, to rotate. The first rotating rod 26 drives the transmission belt 29 to rotate, and the transmission belt 29 transmits kinetic energy to drive the second rotating rod 27 to rotate. The first rotating rod 26 and the second rotating rod 27 drive multiple eccentric rotating keys 28 to rotate. The eccentric rotating keys 28 strike the detection table 3, and under the action of the vibration spring 2, the detection table 3 simulates the vibration state of the recirculation valve during operation.

[0094] Working principle: The first motor 20 is started, driving the bidirectional screw 21 to rotate. The bidirectional screw 21 drives two moving plates 22 to move towards each other, and the moving plates 22 drive two clamping plates 23 to move towards each other, thus fixing different types of exhaust gas recirculation valves. By manually rotating the rotary key 9, it moves away from the mounting ring 7. At this time, the extension spring 15 releases its elastic potential energy, driving the moving key 16 to move away from the mounting ring 7. The moving key 16 drives the fixing rod 18 to move, thereby releasing the fixing of the mounting ring 7. By rotating the mounting ring 7, it is removed from the mounting slot 6. After replacing it with a suitable mounting ring 7, rotating the rotary key 9 drives the moving rod 17 to move closer to the mounting ring 7. The moving rod 17 drives the moving key 16 to move, and the moving key 16 drives the fixing rod 18 to move closer to the mounting ring 7. 8. The moving and fixing rod 18 fixes the mounting ring 7, enabling connection for various interface types; the mounting ring 7 is installed on the exhaust gas recirculation valve, the second motor 25 is started, the second motor 25 drives the first rotating rod 26 to rotate, the first rotating rod 26 drives the transmission belt 29 to rotate, the transmission belt 29 transmits kinetic energy to drive the second rotating rod 27 to rotate, the first rotating rod 26 and the second rotating rod 27 drive multiple eccentric rotating keys 28 to rotate, the eccentric rotating keys 28 strike the test platform 3, and under the action of the vibration spring 2, the test platform 3 simulates the vibration state of the recirculation valve during operation; the circulation pump 11 is started, the circulation pump 11 draws exhaust gas from the exhaust gas storage tank 10 through the connecting pipe 13, and inputs it into the exhaust gas recirculation valve through the injection pipe 12, the detected gas is input into the exhaust gas storage tank 10 through the receiving pipe 14, and the detection is completed.

[0095] The above description of the embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A quick detection device for an exhaust gas recirculation valve, comprising a support platform (1), a vibration spring (2), and a detection platform (3), characterized in that, Also includes: The support frame (4) is fixedly mounted on the support platform (1); A circulation mechanism, mounted on the support frame (4), is used for the circulation of exhaust gas; Two fixed keys (5) are provided, and the two fixed keys (5) are set on the circulation mechanism; There are four mounting slots (6), and the four mounting slots (6) are set on the fixing key (5); The mounting ring (7) is set on the fixing key (5) and is slidably connected to the fixing key (5); The fixing mechanism is provided in four parts, which are set on the fixing key (5) to fix the position of the mounting ring (7); There are two external threaded grooves (8), which are set on the fixing key (5); A rotary key (9) is disposed on the fixed key (5) and threadedly connected to the fixed key (5); A clamping mechanism is provided on the detection table (3) to fix the position of the exhaust gas recirculation valve; The vibration mechanism is mounted on the support platform (1).

2. The quick detection device for an exhaust gas recirculation valve according to claim 1, characterized in that, The circulation mechanism includes: The exhaust gas storage box (10) is fixedly installed on the support frame (4); A circulating pump (11) is mounted on the support frame (4) and is fixedly connected to the support frame (4); An injection pipe (12) is provided on the circulation pump (11), and one end of the injection pipe (12) is fixedly connected to the circulation pump (11); A connecting pipe (13) is provided on the circulating pump (11) and the waste gas storage tank (10). One end of the connecting pipe (13) is fixedly connected to the circulating pump (11), and the other end of the connecting pipe (13) is fixedly connected to the waste gas storage tank (10). A receiving pipe (14) is disposed on the waste gas storage box (10), and one end of the receiving pipe (14) is fixedly connected to the waste gas storage box (10).

3. The quick detection device for an exhaust gas recirculation valve according to claim 2, characterized in that, The fixing mechanism includes: There are four telescopic springs (15), which are set on the fixed key (5). One end of each telescopic spring (15) is fixedly connected to the fixed key (5). There are four movable keys (16), which are slidably disposed on the fixed key (5) and fixedly connected to the other end of the telescopic spring (15); There are four movable levers (17), and the four movable levers (17) are fixedly mounted on the movable key (16); There are four fixed rods (18), which are fixedly connected to the movable key (16).

4. The quick detection device for an exhaust gas recirculation valve according to claim 3, characterized in that, The clamping mechanism includes: Two first fixing plates (19) are provided, and the two first fixing plates (19) are symmetrically fixed on the detection table (3); The first motor (20) is fixedly mounted on the first fixing plate (19); A bidirectional screw (21) is rotatably mounted on the first fixed plate (19), and one end of the bidirectional screw (21) is fixedly connected to the output end of the first motor (20); There are two moving mechanisms, which are symmetrically arranged on the bidirectional screw (21).

5. The quick detection device for an exhaust gas recirculation valve according to claim 4, characterized in that, The moving mechanism includes: Two movable plates (22) are provided, and the two movable plates (22) are symmetrically arranged on the bidirectional screw (21) and threadedly connected to the bidirectional screw (21). The movable plates (22) are slidably connected to the detection table (3). Two clamping plates (23) are provided, and the two clamping plates (23) are fixedly installed on the movable plate (22).

6. The quick detection device for an exhaust gas recirculation valve according to claim 5, characterized in that, The vibration mechanism includes: There are four second fixing plates (24), and the four second fixing plates (24) are fixedly installed on the support platform (1); The second motor (25) is fixedly mounted on the second fixing plate (24); The first rotating rod (26) is rotatably mounted on the second fixed plate (24), and one end of the first rotating rod (26) is fixedly connected to the output end of the second motor (25); The second rotating rod (27) is disposed on the second fixed plate (24) and rotates with the second fixed plate (24); Multiple eccentric rotation keys (28) are provided. Multiple eccentric rotation keys (28) are fixedly set on the first rotating rod (26) and multiple eccentric rotation keys (28) are fixedly set on the second rotating rod (27).

7. The quick detection device for an exhaust gas recirculation valve according to claim 6, characterized in that, A transmission belt (29) is provided on the first rotating rod (26), the transmission belt (29) is connected to the pulley of the first rotating rod (26), and the transmission belt (29) is connected to the pulley of the second rotating rod (27) to transmit kinetic energy to drive the second rotating rod (27) to rotate; two sealing rings (30) are fixed on the fixing key (5) to prevent exhaust gas from leaking from the connection port.

Images