Fatigue test equipment for oil filling pipe lock cover

Abstract

The utility model relates to the technical field of fatigue testing, in particular to fatigue testing equipment for an oil filling pipe lock cover, which comprises a stand, a clamping mechanism is fixedly arranged in the center of the top end of the stand, and the clamping mechanism comprises a fixed ring, a thread groove, a thread controller, a clamping block and a movable shaft. The support is manually rotated for supporting and fixing, the oil filling pipe penetrates through the stand and the interior of the fixing ring, the threaded controller is rotated, the clamping block is matched with the movable block to clamp and fix the outer surface of the oil filling pipe, one end of the lock cover is inserted into the oil filling pipe, the driving equipment is started in an existing line connection mode, and the driving equipment drives the rotating rod to rotate; the rotating rod drives the lock cover to rotate around the oil filling pipe, after the rotating rod acts for a period of time, the driving equipment reversely acts for a period of time and repeatedly acts, the torque sensor transmits a torque value obtained by testing, and the device is provided with a stable clamping mechanism and can ensure that the oil filling pipe to be tested does not fall off due to overlarge torque force.

Description

Technical Field

[0001] This utility model relates to the field of fatigue testing technology, specifically to a fatigue testing device for a refueling pipe locking cap. Background Technology

[0002] The fuel filler cap is a crucial component of a car's fuel system. Over time, the cap is prone to problems such as broken connecting rods leading to cap failure, or excessive locking force causing difficulty in opening and closing, resulting in inconvenience or even safety accidents. Therefore, accurate fatigue testing of the fuel filler cap is essential. Existing technologies often involve large devices that are inconvenient to transport and move, and the testing equipment suffers from poor structural design, inconvenient transmission, and poor structural stability. Utility Model Content

[0003] The purpose of this invention is to provide a fatigue testing device for a refueling pipe cap, so as to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A fatigue testing device for a refueling pipe cap includes a stand. A clamping mechanism is fixedly installed at the center of the top of the stand. The clamping mechanism includes a fixed ring, a threaded groove, a threaded controller, a clamping block, and a movable shaft. The fixed ring is fixedly installed at the center of the top of the stand. Threaded grooves are opened on both sides inside the fixed ring. A threaded controller is movably installed inside the threaded groove. A clamping block is movably installed on one side of the threaded controller. A movable shaft is fixedly installed inside one side of the clamping block. The movable shaft is movably connected to one side of the threaded controller.

[0006] A buffer displacement mechanism is fixedly installed at the bottom of the frame. The buffer displacement mechanism includes accessories, fasteners, buffer springs, dampers, nuts, and pulleys. Several accessories are fixedly installed on both sides of the bottom of the frame. A fastener is fixedly installed at the bottom of each accessory. Two buffer springs are fixed inside the fastener. A damper is fixedly installed inside each buffer spring. A nut is movably installed on one side of each buffer spring. A pulley is movably installed on the side of each buffer spring near the nut. The pulley is movably connected to the damper.

[0007] Preferably, the frame has several fixed slots on both sides inside, and several supports 4 are movably arranged inside the fixed slots. By rotating the supports and moving them up and down inside the fixed slots, the device can switch between rolling displacement and stable support, which greatly enhances its functional value.

[0008] Preferably, a refueling pipe is movably installed at the center of the internal structure of the platform, and the refueling pipe is movably connected to clamping blocks on both sides, so that the torque of the refueling pipe can be tested by rotation.

[0009] Preferably, a locking cap is movably provided at the top of the refueling pipe, a protrusion is fixedly provided on the upper surface of the locking cap, a fixing block is movably provided on the upper surface of the locking cap, and a slot is provided inside the bottom end of the fixing block. The slot is movably connected to the protrusion, and the perfect fit between the protrusion and the slot makes it easier for the equipment to better perform torque testing during operation.

[0010] Preferably, a rotating rod is fixedly installed on the side of the fixing block away from the lock cover. A sensor is movably installed on one side of the outer circumference of the rotating rod. Support rods are fixedly installed on both sides of the sensor. Through repeated movements, the torque sensor transmits the measured torque value. The support rods play a role in stabilizing and limiting the position, making the device more stable.

[0011] Preferably, a mounting frame is fixedly installed on the upper surface of the platform, the inner wall of the mounting frame is fixedly connected to one side of the support rod, a driving device is fixedly installed at the top of the mounting frame, and a control button is fixedly installed on the outer side of the mounting frame. The driving device is started and stopped by inputting commands through the control button using existing wiring connections, and the rotational torque test is performed using the driving device.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. A fatigue testing device for a refueling pipe cap, the device first uses pulleys to move the device to a designated test point. Based on the cooperation of the buffer spring and damper inside the fixing component, the pulleys can run smoothly during the movement. When reaching the designated position, the support is manually rotated for support and fixation. The refueling pipe is passed through the frame and the inside of the fixing ring. The operator can rotate the threaded controller to allow it to move freely inside the threaded groove. The clamping block and movable block are used to clamp and fix the outer surface of the refueling pipe. One end of the cap is inserted into the pressure pipe. The control button is adjusted, and the drive device is started through the existing wiring connection. The drive device drives the rotating rod to rotate, and the rotating rod drives the cap to rotate around the refueling pipe. After a period of operation, the drive device reverses for a period of time, repeating the operation. The torque sensor transmits the measured torque value.

[0014] 2. A fatigue testing device for a refueling pipe cap has a stable clamping mechanism that ensures the refueling pipe will not fall off due to excessive torque, thus ensuring a more stable testing process. The pulley device with a buffer structure can protect the device to the maximum extent during the moving process, preventing damage due to bumps and making the test data more accurate. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall external structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the internal perspective structure of this utility model.

[0017] Figure 3 This is a schematic diagram of the installation of the displacement buffer structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the overall clamping and fixing structure of this utility model.

[0019] Figure 5 This is a schematic diagram of the clamping, fixing, and disassembly structure of this utility model.

[0020] Figure 6 This is a schematic diagram of the lock cover installation structure of this utility model.

[0021] In the diagram: 1. Stand; 2. Fixing ring; 3. Threaded groove; 4. Threaded controller; 5. Clamping block; 6. Movable shaft; 7. Accessory; 8. Fixing component; 9. Buffer spring; 10. Damper; 11. Nut; 12. Pulley; 13. Fixing groove; 14. Support; 15. Oil filling pipe; 16. Locking cap; 17. Protrusion; 18. Fixing block; 19. Slot; 20. Rotating rod; 21. Sensor; 22. Support rod; 23. Mounting bracket; 24. Drive device; 25. Control button. Detailed Implementation

[0022] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-6 As shown, this utility model provides a technical solution:

[0024] A fatigue testing device for a fuel filler pipe cap includes a stand 1. A clamping mechanism is fixedly installed at the center of the top of the stand 1. The clamping mechanism includes a fixed ring 2, a threaded groove 3, a threaded controller 4, a clamping block 5, and a movable shaft 6. The fixed ring 2 is fixedly installed at the center of the top of the stand 1. Threaded grooves 3 are opened on both sides inside the fixed ring 2. The threaded controller 4 is movably installed inside the threaded groove 3. The clamping block 5 is movably installed on one side of the threaded controller 4. The movable shaft 6 is fixedly installed inside one side of the clamping block 5. The movable shaft 6 is movably connected to one side of the threaded controller 4.

[0025] A buffer displacement mechanism is fixedly installed at the bottom of the frame 1. The buffer displacement mechanism includes an accessory 7, a fixing part 8, a buffer spring 9, a damper 10, a nut 11, and a pulley 12. Several accessories 7 are fixedly installed on both sides of the bottom of the frame 1. The fixing part 8 is fixedly installed at the bottom of the accessory 7. Two buffer springs 9 are fixed inside the fixing part 8. The damper 10 is fixedly installed inside the buffer spring 9. The nut 11 is movably installed on one side of the buffer spring 9. The pulley 12 is movably installed on the side of the buffer spring 9 near the nut 11. The pulley 12 is movably connected to the damper 10.

[0026] In this embodiment, preferably, a plurality of fixing slots 13 are provided on both sides inside the frame 1, and a plurality of supports 14 are movably arranged inside the fixing slots 13. By rotating the supports and moving them up and down inside the fixing slots, the device can switch between rolling displacement and stable support, which greatly enhances its functional value.

[0027] In this embodiment, preferably, a refueling pipe 15 is movably disposed in the center of the frame 1, and the two sides of the refueling pipe 15 are movably connected to the clamping blocks 5, and the torque of the refueling pipe is tested by rotation.

[0028] In this embodiment, preferably, a locking cover 16 is movably provided at the top of the refueling pipe 15, a protrusion 17 is fixedly provided on the upper surface of the locking cover 16, a fixing block 18 is movably provided on the upper surface of the locking cover 16, and a slot 19 is provided inside the bottom end of the fixing block 18. The slot 19 is movably connected to the protrusion 17. The perfect fit between the protrusion and the slot makes it easier for the equipment to better perform torque testing during operation.

[0029] In this embodiment, preferably, a rotating rod 20 is fixedly installed on the side of the fixed block 18 away from the lock cover 16. A sensor 21 is movably installed on one side of the outer circumference of the rotating rod 20. Support rods 22 are fixedly installed on both sides of the sensor 21. Through repeated action, the torque sensor transmits the measured torque value. The setting of the support rod plays a role in stabilizing and limiting the position, making the device more stable.

[0030] In this embodiment, preferably, a mounting frame 23 is fixedly installed on the upper surface of the frame 1. The inner wall of the mounting frame 23 is fixedly connected to one side of the support rod 22. A drive device 24 is fixedly installed at the top of the mounting frame 23. A control button 25 is fixedly installed on the outer side of the mounting frame 23. The drive device is started and stopped by inputting commands through the control button using the existing wiring connection method. The drive device is used to perform rotational torque testing.

[0031] In this embodiment, a fatigue testing device for a refueling pipe cap is used. First, the device is moved to the designated test point using pulley 12. The pulley 12 operates smoothly during movement thanks to the cooperation of the buffer spring 9 and damper 10 inside the fixing component 8. Upon reaching the designated position, the support 14 is manually rotated for support and fixation. The refueling pipe 15 is then passed through the frame 1 and the fixing ring 2. The operator can rotate the threaded controller 4 to allow it to move freely within the threaded groove 3. The clamping block 5, in conjunction with the movable block, clamps and fixes the outer surface of the refueling pipe 15. One end of the cap 16 is inserted into the pressure pipe. The control button 25 is adjusted, and the device is connected via existing wiring. The drive device 24 is activated by connection, which drives the rotating rod 20 to rotate. The rotating rod 20 drives the locking cap 16 to rotate around the refueling pipe 15. After a period of operation, the drive device 24 reverses the operation for a period of time, repeating the operation. The torque sensor 21 transmits the measured torque value. The device has a stable clamping mechanism, which can ensure that the refueling pipe 15 will not fall off due to excessive torque, ensuring that the entire testing process is more stable. The pulley 12 device with a buffer structure can protect the device to the maximum extent during the device movement, avoiding damage to the device due to bumps, and making the test data more accurate.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A fueling spout lock cap fatigue testing apparatus characterized by: The utility model provides a kind of oiling device, including stand (1), the clamping mechanism is fixedly arranged in the top center of the stand (1), the clamping mechanism includes fixed ring (2), screw groove (3), screw controller (4), clamping block (5) and movable shaft (6), fixed ring (2) is fixedly arranged in the top center of the stand (1), screw groove (3) is opened in the inside two sides of fixed ring (2), screw controller (4) is movably arranged in the inside of screw groove (3), clamping block (5) is movably arranged in one side of screw controller (4), movable shaft (6) is fixedly arranged in the inside one side of clamping block (5), movable shaft (6) is movably connected with one side of screw controller (4) in the inside; Buffering displacement mechanism is fixedly arranged at the bottom of the stand (1), and the buffering displacement mechanism includes accessory (7), fixed part (8), buffer spring (9), damper (10), nut (11) and pulley (12), a plurality of accessory (7) is fixedly arranged at the bottom of the stand (1), fixed part (8) is fixedly arranged at the bottom of the accessory (7), two buffer springs (9) are fixed in the inside of fixed part (8), damper (10) is fixedly arranged in the inside of buffer spring (9), nut (11) is movably arranged on one side of buffer spring (9), pulley (12) is movably arranged on the side close to nut (11) of buffer spring (9), and pulley (12) is movably connected with damper (10).

2. A fuel filler door fatigue test apparatus according to claim 1, wherein: A plurality of fixed grooves (13) are formed in the inside two sides of the stand (1), and a plurality of supports (14) are movably arranged in the inside of the fixed grooves (13).

3. A fuel filler door fatigue testing apparatus according to claim 1, wherein: Oiling pipe (15) is movably arranged in the inside center of the stand (1), and the two sides of the oiling pipe (15) are movably connected with the clamping block (5).

4. A fuel filler door fatigue testing apparatus according to claim 3, wherein: Lock cover (16) is movably arranged at the top of the oiling pipe (15), convex block (17) is fixedly arranged on the upper surface of the lock cover (16), fixed block (18) is movably arranged on the upper surface of the lock cover (16), clamping groove (19) is formed in the inside bottom end of the fixed block (18), and the clamping groove (19) is movably connected with the convex block (17).

5. A fuel filler door fatigue testing apparatus according to claim 4, wherein: Rotating rod (20) is fixedly arranged on the side away from the lock cover (16) of the fixed block (18), sensor (21) is movably arranged on the one side of the rotating rod (20) outside circumferential side, and support rod (22) is fixedly arranged on the two sides of the sensor (21) outside.

6. A fuel filler door fatigue testing apparatus according to claim 1, wherein: Mounting rack (23) is fixedly arranged on the upper surface of the stand (1), the inner wall of the mounting rack (23) is fixedly connected with one side of the support rod (22), driving device (24) is fixedly arranged at the top of the mounting rack (23), and control button (25) is fixedly arranged on the one side of the mounting rack (23) outside.

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