Fuel tank air tightness detection device

By designing a fuel tank airtightness detection device including a front rotor, a rear rotor, a bracelet and a control box, the problem that the prior art cannot accurately detect the airtightness of the fuel tank is solved, and a more accurate and stable detection effect is achieved.

CN222913006UActive Publication Date: 2025-05-27SHIYAN HENGRONG IND
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Patent Information

Application Number
CN202421746206.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-23
Publication Date
2025-05-27
Estimated Expiration
2034-07-23

AI Technical Summary

Technical Problem

The existing airtightness detection device cannot accurately detect the airtightness of the fuel tank and cannot be suitable for the detection of the fuel tank.

Method used

A fuel tank airtightness detection device is designed, including a front rotor, a rear rotor, a brace clamp and a control box. Through the coordinated work of these components, the fuel tank can be fixed and rotated to ensure the accuracy and stability of the detection.

Benefits of technology

Through the use of this device, the airtightness of the fuel tank can be detected more accurately. The slow rotation of the turntable avoids splashing, and improves the accuracy and reliability of the detection.

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    Figure CN222913006U_ABST
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Abstract

The utility model relates to the technical field of oil tanks, and discloses an oil tank air tightness detection device which comprises a bottom plate, a water tank fixedly connected to the upper surface of the bottom plate, a front fixing plate fixedly connected to the upper surface of the bottom plate, a rear fixing plate fixedly connected to the upper surface of the bottom plate, and a front top plate fixedly connected to the back of the front fixing plate. And the lower surface of the front top plate is fixedly connected with a front settlement control rod. The oil tank detection device has the following advantages and effects that the device is controlled through the control box during working by arranging the front turntable, the rear turntable and the clamping clamps, normal working of the device is ensured, the clamping clamps can fix an oil tank and then detect the oil tank, and rotation of the device is ensured by arranging the front turntable and the rear turntable; in this way, the air tightness of the oil tank can be detected more accurately, it can be guaranteed that no water splashes due to slow rotation of the rotary disc, bubbles can be observed better, and the detection accuracy of the device is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of fuel tanks, and particularly relates to a fuel tank airtightness detection device. Background Art

[0002] After the production of an automobile fuel tank is completed, its airtightness needs to be detected. The usual method is to block all the holes on the fuel tank and then put it into water to see if there are bubbles generated. If there are bubbles, the airtightness is defective; if there are no bubbles, the airtightness is good. The utility model can perform underwater airtightness detection on the fuel tank.

[0003] According to Chinese Patent No. CN206311270U, there is provided an airtightness detection device for cooperating with an air duct to detect the airtightness of a device to be tested with a pressure relief valve, including a mounting plate; a clamping structure movably connected to the mounting plate for fixing the position of the airtightness detection device and the pressure relief valve; a pressing block, the shape of the pressing block matching the shape of the pressure relief valve and provided with a channel for connecting the air duct and the pressure relief valve; and an elbow clamp connecting the pressing block and the mounting plate so that the pressing block can reciprocate. The airtightness detection device has a simpler structure. The position of the airtightness detection device and the pressure relief valve is fixed through the clamping structure, and the reciprocating movement of the pressing block is controlled through the elbow clamp. When the pressing block presses the pressure relief valve of the device to be tested, the clamping structure and the pressing block together fix the position of the airtightness detection device and the pressure relief valve. Its operation is convenient, the connection stability is stronger, and the airtightness detection result is more reliable.

[0004] The above patent has good airtightness detection, but it cannot be applied to the airtightness detection of fuel tanks and cannot more accurately detect the airtightness of fuel tanks. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a fuel tank airtightness detection device, which has the effect of being able to detect the airtightness of the fuel tank.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: a fuel tank airtightness detection device includes a bottom plate, the upper surface of the bottom plate is fixedly connected with a water tank, the upper surface of the bottom plate is fixedly connected with a front fixing plate, the upper surface of the bottom plate is fixedly connected with a rear fixing plate, the back surface of the front fixing plate is fixedly connected with a front top plate, the lower surface of the front top plate is fixedly connected with a front settlement control rod, the lower surface of the front settlement control rod is fixedly connected with a front connecting plate, the lower surface of the front connecting plate is fixedly connected with a lifting plate, a power shaft is arranged on the back surface of the lifting plate, the back surface of the power shaft is fixedly connected with a front turntable, the back surface of the front turntable is fixedly connected with a clamping frame, and the back surface of the clamping frame is fixedly connected with a rear turntable.

[0007] By adopting the above technical solution, by setting the front turntable, the rear turntable and the clamping clip, during operation, the control device is controlled by the control box to ensure the normal operation of the device. The clamping clip can fix the fuel tank and then conduct inspections. By setting the front turntable and the rear turntable, the rotation of the device is ensured, so that the air tightness of the fuel tank can be detected more accurately. Moreover, the slow rotation of the turntable can ensure that no water splashes are generated, better observing the bubbles and ensuring the accuracy of the device inspection.

[0008] A further setting of the present utility model is that: a motor box is arranged on the front surface of the front fixing plate, and a control box is fixedly connected to the front surface of the front fixing plate.

[0009] By adopting the above technical solution, by setting the motor box, the rotation of the turntable can be ensured, guaranteeing the accuracy of the device operation.

[0010] A further setting of the present utility model is that: a rear top plate is fixedly connected to the front surface of the rear fixing plate, a rear settling rod is fixedly connected to the lower surface of the rear top plate, and a rear connecting plate is fixedly connected to the lower surface of the rear settling rod.

[0011] By adopting the above technical solution, by setting the rear top plate, the up and down movement of the device can be ensured, facilitating the air tightness detection of the fuel tank.

[0012] A further setting of the present utility model is that: a bearing frame base is fixedly connected to the back surface of the front turntable, and a front telescopic cylinder is fixedly connected to the back surface of the front turntable.

[0013] By adopting the above technical solution, by setting the front telescopic cylinder, the fuel tank can be made more stable when being clamped.

[0014] A further setting of the present utility model is that: a clamping frame clip is fixedly connected to one side surface of the clamping frame, and the number of the clamping frame clips is two.

[0015] By adopting the above technical solution, by setting two clamping clips, the fuel tank can be ensured to be very stable when being inspected.

[0016] A further setting of the present utility model is that: an auxiliary shaft is fixedly connected to the back surface of the rear turntable, and a rear telescopic cylinder is fixedly connected to the front surface of the rear turntable.

[0017] By adopting the above technical solution, by setting the auxiliary shaft, the rotation of the turntable can be ensured to be more stable, thus guaranteeing the stability of the device.

[0018] A further setting of the present utility model is that: a motor is fixedly connected to the inner wall of the motor box, and a power shaft is fixedly connected to the back surface of the motor.

[0019] By adopting the above technical solution, by setting the motor, the stability of the rotation of the device can be ensured, and better detection of the fuel tank can be guaranteed.

[0020] A further setting of the present utility model is that: a button is fixedly connected to the front surface of the control box, and a display screen is fixedly connected to the front surface of the control box.

[0021] By adopting the above technical solution, by setting the control box, the rotation speed can be controlled during rotation in the working process.

[0022] A further setting of the present utility model is that: a carrier is fixedly connected to the upper surface of the carrier base, and a carrier clamp is fixedly connected to the upper surface of the carrier.

[0023] By adopting the above technical solution, by setting the carrier, the fuel tank is ensured to be more stable during detection.

[0024] A further setting of the present utility model is that: a rear lifting plate is arranged on the back surface of the auxiliary shaft, and a rear connecting plate is fixedly connected to the upper surface of the rear lifting plate.

[0025] By adopting the above technical solution, by setting the rear lifting plate, more stable rotation can be ensured when the device is working.

[0026] The beneficial effect of the present utility model is that: by setting the front turntable, the rear turntable and the clamping clip, during work, the device is controlled through the control box to ensure the normal operation of the device. The clamping clip can fix the fuel tank and then perform detection. By setting the front turntable and the rear turntable, the rotation of the device is ensured, so that the air tightness of the fuel tank can be detected more accurately. Moreover, the slow rotation of the turntable can ensure that no water splashes are generated, better observe the bubbles, and ensure the accuracy of the device detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for description in the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0028] Figure 1 It is an isometric structural schematic diagram of the present utility model;

[0029] Figure 2 It is a sectional structural schematic diagram of the present utility model;

[0030] Figure 3 It is a structural schematic diagram of the front turntable of the present utility model;

[0031] Figure 4 This is a schematic diagram of the motor box structure of the present utility model.

[0032] In the figure, 1 is the bottom plate; 2 is the water tank; 3 is the front fixing plate; 4 is the rear fixing plate; 5 is the front top plate; 6 is the front settlement control rod; 7 is the connecting plate; 8 is the lifting plate; 9 is the power shaft; 10 is the front turntable; 11 is the clamping frame; 12 is the rear turntable; 13 is the motor box; 14 is the control box; 15 is the rear top plate; 16 is the rear settlement rod; 17 is the rear connecting plate; 18 is the base of the bearing frame; 19 is the front telescopic cylinder; 20 is the clamping of the clamping frame; 21 is the auxiliary shaft; 22 is the rear telescopic cylinder; 23 is the motor; 24 is the button; 25 is the display screen; 26 is the bearing frame; 27 is the clamping of the bearing frame; 28 is the rear lifting plate. Specific embodiments

[0033] The technical solutions of the present utility model will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the scope of protection of the present utility model.

[0034] Refer to Figures 1-4, a fuel tank airtightness detection device, including a bottom plate 1. The upper surface of the bottom plate 1 is fixedly connected with a water tank 2. The upper surface of the bottom plate 1 is fixedly connected with a front fixing plate 3. The front of the front fixing plate 3 is provided with a motor box 13. The inner wall of the motor box 13 is fixedly connected with a motor 23. The back of the motor 23 is fixedly connected with a power shaft 9. By setting the motor, the stability of the device rotation can be ensured, and better detection of the fuel tank can be guaranteed. The front of the front fixing plate 3 is fixedly connected with a control box 14. The front of the control box 14 is fixedly connected with a button 24. The front of the control box 14 is fixedly connected with a display screen 25. By setting the control box, the rotation speed can be controlled during rotation in the working process. By setting the motor box, the turntable can be ensured to rotate, and the accuracy of the device operation can be guaranteed. The upper surface of the bottom plate 1 is fixedly connected with a rear fixing plate 4. The front of the rear fixing plate 4 is fixedly connected with a rear top plate 15. The lower surface of the rear top plate 15 is fixedly connected with a rear settlement rod 16. The lower surface of the rear settlement rod 16 is fixedly connected with a rear connecting plate 17. By setting the rear top plate, the up and down movement of the device can be ensured, which is convenient for the airtightness detection of the fuel tank. The back of the front fixing plate 3 is fixedly connected with a front top plate 5. The lower surface of the front top plate 5 is fixedly connected with a front settlement control rod 6. The lower surface of the front settlement control rod 6 is fixedly connected with a front connecting plate 7. The lower surface of the front connecting plate 7 is fixedly connected with a lifting plate 8. The back of the lifting plate 8 is provided with a power shaft 9. The back of the power shaft 9 is fixedly connected with a front turntable 10. The back of the front turntable 10 is fixedly connected with a carrier base 18. The upper surface of the carrier base 18 is fixedly connected with a carrier 26. The upper surface of the carrier 26 is fixedly connected with a carrier clamp 27. By setting the carrier, the fuel tank can be ensured to be more stable during detection. The back of the front turntable 10 is fixedly connected with a front telescopic cylinder 19. By setting the front telescopic cylinder, the fuel tank can be ensured to be more stable when being clamped. The back of the front turntable 10 is fixedly connected with a clamping frame 11. One side of the clamping frame 11 is fixedly connected with a clamping frame clamp 20. The number of the clamping frame clamps 20 is two. By setting two clamping clamps, the fuel tank can be ensured to be very stable when being inspected. The back of the clamping frame 11 is fixedly connected with a rear turntable 12. The back of the rear turntable 12 is fixedly connected with an auxiliary shaft 21. The back of the auxiliary shaft 21 is provided with a rear lifting plate 28. The upper surface of the rear lifting plate 28 is fixedly connected with a rear connecting plate 17. By setting the rear lifting plate, the device can be ensured to rotate more stably during operation. The front of the rear turntable 12 is fixedly connected with a rear telescopic cylinder 22. By setting the auxiliary shaft, the turntable can be ensured to rotate more stably, thus ensuring the stability of the device.

[0035] In the present utility model, by providing a front turntable 10, a rear turntable 12 and a clamping clip 20, during operation, the control device is controlled by a control box 13 to ensure the normal operation of the device. The clamping clip 20 can fix the fuel tank and then conduct inspections. The provision of the front turntable 10 and the rear turntable 12 ensures the rotation of the device, so that the airtightness of the fuel tank can be detected more accurately. Moreover, the slow rotation of the turntable can ensure that no water splashes are generated, facilitating better observation of bubbles and ensuring the accuracy of the device inspection.

[0036] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A fuel tank air tightness detection device, comprising a bottom plate (1), characterized in that: The upper surface of the bottom plate (1) is fixedly connected to a water tank (2), the upper surface of the bottom plate (1) is fixedly connected to a front fixing plate (3), the upper surface of the bottom plate (1) is fixedly connected to a rear fixing plate (4), the back of the front fixing plate (3) is fixedly connected to a front top plate (5), the lower surface of the front top plate (5) is fixedly connected to a front sinking control rod (6), the lower surface of the front sinking control rod (6) is fixedly connected to a front connecting plate (7), the lower surface of the front connecting plate (7) is fixedly connected to a lifting plate (8), a power shaft (9) is provided on the back of the lifting plate (8), the back of the power shaft (9) is fixedly connected to a front turntable (10), the back of the front turntable (10) is fixedly connected to a supporting frame (11), and the back of the supporting frame (11) is fixedly connected to a rear turntable (12).

2. The fuel tank air tightness detection device according to claim 1, characterized in that: A motor box (13) is arranged on the front side of the front fixing plate (3), and a control box (14) is fixedly connected to the front side of the front fixing plate (3).

3. The fuel tank air tightness detection device according to claim 1, characterized in that: The front surface of the rear fixing plate (4) is fixedly connected to a rear top plate (15), the lower surface of the rear top plate (15) is fixedly connected to a rear settling rod (16), and the lower surface of the rear settling rod (16) is fixedly connected to a rear connecting plate (17).

4. The fuel tank air tightness detection device according to claim 1, characterized in that: The back side of the front turntable (10) is fixedly connected to a carrier frame base (18), and the back side of the front turntable (10) is fixedly connected to a front telescopic cylinder (19).

5. The fuel tank air tightness detection device according to claim 1, characterized in that: A supporting frame clamp (20) is fixedly connected to one side of the supporting frame (11), and the number of the supporting frame clamps (20) is two.

6. The fuel tank air tightness detection device according to claim 1, characterized in that: The back side of the rear turntable (12) is fixedly connected to an auxiliary shaft (21), and the front side of the rear turntable (12) is fixedly connected to a rear telescopic cylinder (22).

7. The fuel tank air tightness detection device according to claim 2, characterized in that: The inner wall of the motor box (13) is fixedly connected to a motor (23), and the back side of the motor (23) is fixedly connected to a power shaft (9).

8. The fuel tank air tightness detection device according to claim 2, characterized in that: A button (24) is fixedly connected to the front of the control box (14), and a display screen (25) is fixedly connected to the front of the control box (14).

9. The oil tank air tightness detection device according to claim 4, characterized in that: The upper surface of the carrier base (18) is fixedly connected to a carrier (26), and the upper surface of the carrier (26) is fixedly connected to a carrier clamp (27).

10. The oil tank air tightness detection device according to claim 6, characterized in that: A rear lifting plate (28) is provided on the back side of the auxiliary shaft (21), and a rear connecting plate (17) is fixedly connected to the upper surface of the rear lifting plate (28).

Citation Information

Patent Citations

  • Gas tightness detection device

    CN206311270U