EGR one-way valve detection device
By using a lifting motor and a drive motor to automatically adjust the EGR check valve detection device, the problem of inaccurate detection under height difference conditions in existing devices has been solved, thus improving the accuracy and convenience of EGR check valve sealing detection.
Patent Information
- Application Number
- CN202520125998.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing EGR check valve testing devices have difficulty adjusting the EGR check valve to the optimal testing position during the testing process, resulting in inaccurate sealing test data, especially when there is a height difference.
An EGR check valve detection device was designed, comprising a lifting motor, a rotating rod, a T-block, and a placement plate. The lifting motor drives the rotating rod and the T-block to make fine adjustments to the placement plate, thereby achieving automatic height adjustment of the EGR check valve. The transmission motor drives the connecting plate and the movable plate to move in opposite directions to fit the EGR check valve and eliminate the height difference.
This technology improves the accuracy and convenience of EGR check valve sealing testing. Automated adjustment eliminates height differences, enhancing the precision and ease of testing.
Smart Images
Figure CN223710989U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of automobile parts detection, and specifically relates to an EGR check valve detection device. BACKGROUND
[0002] EGR check valve, full name exhaust gas recirculation check valve, it is an important part in automobile engine and other equipment, and its main function is to control the flow direction of exhaust gas in the exhaust gas recirculation system, only allow exhaust gas to flow in the predetermined direction, prevent exhaust gas from flowing back.
[0003] When detecting the sealing property of the EGR check valve, a detection device is often used, and the existing detection device can realize basic detection function in the actual use process, but the existing detection device generally does not have the function of adjusting the EGR check valve up and down, and when there is a height difference between the EGR check valve and the exhaust pipe in the actual detection process, it is difficult to adjust the check valve to the best detection position, thereby directly affecting the accuracy of the final EGR check valve sealing property detection data, so it needs to be improved. UTILITY MODEL CONTENTS
[0004] The utility model discloses to aim at above -mentioned problem, the utility model provides an EGR check valve detection device, has the advantage that the height of placing board is automatically adjusted.
[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: an EGR check valve detection device, including support rod, the top of support rod is fixedly connected with work table, the bottom of work table is fixedly connected with lifting motor, the other end of lifting motor output shaft is fixedly sleeved with rotating shaft, the outer surface of rotating shaft is fixedly sleeved with rotating rod, the inside of the other end of rotating rod is fixedly sleeved with round bar, the outer surface of round bar is movably connected with T -block, the top of T -block is fixedly connected with placing board, the outer surface of placing board is movably connected with the inner surface of work table.
[0006] As a preferred technical scheme of the utility model, the inner surface of T -block is movably connected with limit stop, and the top of limit stop is fixedly connected with the bottom of work table.
[0007] As a preferred technical scheme of the utility model, the top of placing board is fixedly connected with fixed block, the inside of fixed block is screw connected with threaded rod, the other end of threaded rod is movably sleeved with clamping plate, and the outer surface of clamping plate bottom is movably connected with the inner surface of placing board.
[0008] As a preferred technical scheme of the utility model, the top of the workbench is provided with a sliding groove, a movable plate is movably connected in the sliding groove, an installation plate is fixedly connected to the outer side of the movable plate, the number of the installation plates is two, the bottom of each of the installation plates is movably connected to the top of the workbench, a fan and a detection box are fixedly installed on the top of each of the installation plates respectively, a suction port is fixedly connected to the left side of the fan, an exhaust port is fixedly connected to the right side of the fan, the exhaust port penetrates through the movable plate and extends to the right side of the movable plate, and a connecting pipe is fixedly sleeved on the inner surface of the detection box and extends to the left side of the movable plate.
[0009] As a preferred technical scheme of the utility model, the outer surfaces of the exhaust port and the connecting pipe are fixedly sleeved with installation blocks, and sealing rings are movably installed on the inner sides of the installation blocks.
[0010] As a preferred technical scheme of the utility model, a gas flow transmitter is fixedly installed in the detection box, and a controller and an alarm are fixedly installed on the outer side of the detection box.
[0011] As a preferred technical scheme of the utility model, a transmission motor is fixedly connected to the right side of the limiting plate at the bottom of the workbench, a transmission shaft is fixedly sleeved on the other end of the output shaft of the transmission motor, the top of the transmission shaft penetrates through the workbench, extends to the upper side of the workbench and is fixedly sleeved with a rotating plate, the bottom of the rotating plate is movably connected to the top of the workbench, connecting rods are hingedly connected to the left and right sides of the top of the rotating plate, connecting plates are hingedly connected to the other ends of the connecting rods, and the other ends of the connecting plates are fixedly connected to the outer surface of the movable plate.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] 1、The utility model discloses a lifting motor, a rotating rod, a round rod, a T-shaped block and a placing plate are arranged, when the lifting motor operates, the rotating shaft drives the rotating rod to rotate, and then the round rod rotates and drives the T-shaped block to move up and down, so that the placing plate moves up and down as a whole, the automatic up and down fine adjustment of the EGR check valve above the placing plate is realized, the height difference between the EGR check valve and the exhaust port and the connecting pipe is eliminated, and the accuracy of the EGR check valve sealing detection is improved.
[0014] 2、The utility model discloses a transmission motor, a transmission shaft, a rotating plate, a connecting rod and a connecting plate are arranged, when the transmission motor operates, the transmission shaft drives the rotating plate to rotate, and then the two connecting rods rotate and drive the two connecting plates and the two movable plates to move towards each other, so that the exhaust port and the connecting pipe move towards each other and are attached to the EGR check valve, the problem of manually moving the movable plate is solved, and the convenience of the device is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the structure schematic diagram of the utility model;
[0016] Figure 2 It is the structure schematic diagram of the utility model section view;
[0017] Figure 3 It is the structure schematic diagram of the utility model section view of side face;
[0018] Figure 4 It is the structure schematic diagram of the utility model section view of transmission shaft;
[0019] Figure 5 It is the structure schematic diagram of the utility model placement plate.
[0020] In the drawing: 1, support rod;2, workbench;3, lifting motor;4, rotating shaft;5, rotating rod;6, round rod;7, T-shaped block;8, placement plate;9, limiting plate;10, fixed block;11, threaded rod;12, clamping plate;13, sliding slot;14, movable plate;15, mounting plate;16, fan;17, detection box;18, air suction port;19, air outlet;20, connecting pipe;21, mounting block;22, sealing ring;23, gas flow transmitter;24, controller;25, alarm;26, transmission motor;27, transmission shaft;28, rotating plate;29, connecting rod;30, connecting plate. DETAILED DESCRIPTION
[0021] The utility model is further explained in connection with the drawings and specific embodiments. It should be understood that these embodiments are only for illustrating the utility model and are not for limiting the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the present application.
[0022] As Figures 1 to 5 Indicated, the utility model provides a kind of EGR check valve detection device, including support rod 1, the top of support rod 1 is fixedly connected with workbench 2, the bottom of workbench 2 is fixedly connected with lifting motor 3, the other end of lifting motor 3 output shaft is fixedly sleeved with rotating shaft 4, the outer surface of rotating shaft 4 is fixedly sleeved with rotating rod 5, the inside of rotating rod 5 other end is fixedly sleeved with round rod 6, the outer surface of round rod 6 is movably connected with T-shaped block 7, the top of T-shaped block 7 is fixedly connected with placement plate 8, the outer surface of placement plate 8 is movably connected with the inner surface of workbench 2.
[0023] When the lifting motor 3 operates, the rotating shaft 4 will drive the rotating rod 5 to rotate, and then the circular rod 6 will rotate to drive the T-shaped block 7 to move up and down, thereby driving the placement plate 8 to move up and down as a whole, so as to realize the purpose of automatically fine-tuning the EGR check valve above the placement plate 8.
[0024] The inner surface of the T-shaped block 7 is movably connected with a limiting plate 9, and the top of the limiting plate 9 is fixedly connected with the bottom of the workbench 2. The design of the limiting plate 9 plays a limiting role for the T-shaped block 7 and the placement plate 8, so as to ensure that the T-shaped block 7 and the placement plate 8 can stably move up and down.
[0025] The top of the placement plate 8 is fixedly connected with a fixed block 10, the inside of the fixed block 10 is threadedly connected with a threaded rod 11, the other end of the threaded rod 11 is movably sleeved with a clamping plate 12, and the outer surface of the bottom of the clamping plate 12 is movably connected with the inner surface of the placement plate 8.
[0026] Rotating the two threaded rods 11 to move towards each other will drive the two clamping plates 12 to move towards each other to clamp and fix the EGR check valve.
[0027] The top of the workbench 2 is provided with a sliding groove 13, the inside of the sliding groove 13 is movably connected with a movable plate 14, the outer side of the movable plate 14 is fixedly connected with a mounting plate 15, the number of the mounting plate 15 is two, the bottom of the two mounting plates 15 is movably connected with the top of the workbench 2, the top of the two mounting plates 15 is respectively fixedly installed with a fan 16 and a detection box 17, the left side of the fan 16 is fixedly connected with a suction port 18, the right side of the fan 16 is fixedly connected with an exhaust port 19, the right side of the exhaust port 19 penetrates through the movable plate 14 and extends to the right side of the movable plate 14, the inner surface of the detection box 17 is fixedly sleeved with a connecting pipe 20, and the left side of the connecting pipe 20 penetrates through the movable plate 14 and extends to the left side of the movable plate 14.
[0028] When the fan 16 operates, the suction port 18 will suck external air, which is then discharged to the inside of the EGR check valve through the exhaust port 19, so as to realize the purpose of detecting the sealing performance of the EGR check valve.
[0029] The outer surfaces of the exhaust port 19 and the connecting pipe 20 are fixedly sleeved with a mounting block 21, and the inner side of the mounting block 21 is movably installed with a sealing ring 22.
[0030] The design of the mounting block 21 plays a role in connecting the EGR check valve, and the design of the sealing ring 22 ensures the sealing performance between the mounting block 21 and the EGR check valve.
[0031] The inside of the detection box 17 is fixedly installed with a gas flow transmitter 23, and the outer side of the detection box 17 is fixedly installed with a controller 24 and an alarm 25.
[0032] The output end of the gas flow actuator 23 is electrically connected with the input end of the controller 24, and the output end of the controller 24 is electrically connected with the input end of the alarm 25.
[0033] The bottom of the workbench 2 is fixedly connected with a transmission motor 26 located at the right side of the limiting plate 9, the other end of the output shaft of the transmission motor 26 is fixedly sleeved with a transmission shaft 27, the top of the transmission shaft 27 penetrates through the workbench 2 and extends above the workbench 2 and is fixedly sleeved with a rotating plate 28, the bottom of the rotating plate 28 is movably connected with the top of the workbench 2, the left and right sides of the top of the rotating plate 28 are both hingedly connected with a connecting rod 29, the other end of the connecting rod 29 is hingedly connected with a connecting plate 30, and the other end of the connecting plate 30 is fixedly connected with the outer surface of the movable plate 14. When the transmission motor 26 operates, the transmission shaft 27 drives the rotating plate 28 to rotate, and then the two connecting rods 29 rotate to drive the two connecting plates 30 and the two movable plates 14 to move towards each other, so that the air outlet 19 and the connecting pipe 20 move towards each other and are attached to the EGR check valve.
[0034] The working principle and use process of the utility model are as follows:
[0035] When the sealing performance of the EGR check valve is detected, first, the EGR check valve is placed above the placing plate 8, then the two threaded rods 11 are rotated to drive the two clamping plates 12 to move towards each other to clamp and fix the EGR check valve, then the transmission motor 26 is started to drive the transmission shaft 27 to rotate the rotating plate 28, and then the two connecting rods 29 rotate to drive the two connecting plates 30 and the two movable plates 14 to move towards each other, so that the air outlet 19 and the connecting pipe 20 move towards each other and are attached to the EGR check valve. When the transmission motor 26 operates, the transmission shaft 27 drives the rotating plate 28 to rotate, and then the two connecting rods 29 rotate to drive the two connecting plates 30 and the two movable plates 14 to move towards each other, so that the air outlet 19 and the connecting pipe 20 move towards each other and are attached to the EGR check valve.
[0036] When the height difference exists between the EGR check valve and the exhaust port 19 and the connecting pipe 20, the lifting motor 3 is started, the rotating shaft 4 drives the rotating rod 5 to rotate, the round rod 6 rotates to drive the T-shaped block 7 to move up and down, and the placing plate 8 moves up and down as a whole, so that the automatic up and down fine adjustment of the EGR check valve above the placing plate 8 is realized, the height difference between the EGR check valve and the exhaust port 19 and the connecting pipe 20 is eliminated, and the accuracy of the sealing detection of the EGR check valve is improved.
[0037] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims
1. An EGR one-way valve detection device comprising a support rod (1), characterized in that: The top of the support rod (1) is fixedly connected with a workbench (2), the bottom of the workbench (2) is fixedly connected with a lifting motor (3), the other end of the output shaft of the lifting motor (3) is fixedly sleeved with a rotating shaft (4), the outer surface of the rotating shaft (4) is fixedly sleeved with a rotating rod (5), the other end of the rotating rod (5) is fixedly sleeved with a circular rod (6), the outer surface of the circular rod (6) is movably connected with a T-shaped block (7), the top of the T-shaped block (7) is fixedly connected with a placing plate (8), and the outer surface of the placing plate (8) is movably connected with the inner surface of the workbench (2).
2. The EGR check valve testing device of claim 1, wherein: The inner surface of the T-shaped block (7) is movably connected with a limiting plate (9), and the top of the limiting plate (9) is fixedly connected with the bottom of the workbench (2).
3. The EGR check valve testing device of claim 1, wherein: The top of the placing plate (8) is fixedly connected with a fixed block (10), the inside of the fixed block (10) is threadedly connected with a threaded rod (11), the other end of the threaded rod (11) is movably sleeved with a clamping plate (12), and the outer surface of the bottom of the clamping plate (12) is movably connected with the inner surface of the placing plate (8).
4. The EGR check valve testing device of claim 1, wherein: The top of the workbench (2) is provided with a chute (13), the inside of the chute (13) is movably connected with a movable plate (14), the outer side of the movable plate (14) is fixedly connected with a mounting plate (15), the number of the mounting plate (15) is two, the bottom of the two mounting plates (15) is movably connected with the top of the workbench (2), the top of the two mounting plates (15) is respectively fixedly provided with a fan (16) and a detection box (17), the left side of the fan (16) is fixedly connected with a suction port (18), the right side of the fan (16) is fixedly connected with an exhaust port (19), the right side of the exhaust port (19) penetrates through the movable plate (14) and extends to the right side of the movable plate (14), and the inner surface of the detection box (17) is fixedly sleeved with a connecting pipe (20).
5. The EGR check valve testing device of claim 4, wherein: The outer surface of the exhaust port (19) and the connecting pipe (20) is fixedly sleeved with a mounting block (21), and the inner side of the mounting block (21) is movably provided with a sealing ring (22).
6. The EGR check valve testing device of claim 4, wherein: The inside of the detection box (17) is fixedly provided with a gas flow transmitter (23), and the outer side of the detection box (17) is fixedly provided with a controller (24) and an alarm (25).
7. The EGR check valve testing device of claim 1, wherein: The bottom of the workbench (2) is fixedly connected with a transmission motor (26) located on the right side of the limiting plate (9), the other end of the output shaft of the transmission motor (26) is fixedly sleeved with a transmission shaft (27), the top of the transmission shaft (27) penetrates through the workbench (2) and extends above the workbench (2) and is fixedly sleeved with a rotating plate (28), the bottom of the rotating plate (28) is movably connected with the top of the workbench (2), the left and right sides of the top of the rotating plate (28) are both hinged with a connecting rod (29), the other end of the connecting rod (29) is hinged with a connecting plate (30), and the other end of the connecting plate (30) is fixedly connected with the outer surface of the movable plate (14).