Universal oil tank connecting and sealing device

By designing a universal oil tank connection sealing device, the problems of poor sealing effect and poor versatility of traditional oil tank testing devices are solved by using sealing and locking mechanisms, achieving efficient sealing and stable connection, and reducing testing costs.

CN223447930UActive Publication Date: 2025-10-17厦门环境保护机动车污染控制技术中心
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422763425.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2025-10-17
Estimated Expiration
2034-11-13

AI Technical Summary

Technical Problem

Traditional fuel tank testing devices suffer from poor sealing and limited versatility, making them unsuitable for different fuel tank models and increasing maintenance costs and testing time.

Method used

A universal fuel tank connection sealing device was designed, which adopts a sealing mechanism, an inner locking mechanism and an outer locking mechanism, including a soft airbag, a rubber pad, an inner spring, an inner limiting plate, and an outer limiting mechanism. The soft airbag is fitted with the filling hole to achieve a seal, and the inner and outer locking mechanisms increase the connection stability.

Benefits of technology

It improves connection sealing and stability, expands the scope of application, reduces testing costs, and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223447930U_ABST
    Figure CN223447930U_ABST
Patent Text Reader

Abstract

The utility model discloses a universal oil tank connecting and sealing device which structurally comprises a detection device and a mounting plate, a connecting pipe is arranged on the detection device, one end of the connecting pipe is fixedly connected with the mounting plate, an annular bottom plate is fixedly arranged on the front side of the mounting plate, a connecting opening is fixedly formed in the front side of the bottom plate, and the connecting opening is fixedly connected with the mounting plate. An inner locking mechanism and an outer locking mechanism are further included, the inner locking mechanism is arranged on the outer side of the connecting opening and comprises an inner spring and an inner limiting plate, one end of the inner spring is fixedly connected with the outer side wall of the connecting opening, the other end of the inner spring is fixedly connected with the inner side of the inner limiting plate, and the outer locking mechanism is arranged on the outer side of the mounting plate. The outer locking mechanism comprises an outer limiting mechanism and an outer spring, a vertical plate is fixedly arranged on the rear side of the mounting plate, the outer limiting mechanism is rotationally connected with the side portion of the mounting plate, and the two ends of the outer spring are connected with the vertical plate and the outer limiting mechanism respectively. The utility model belongs to the field of automobile oil tank detection equipment, and particularly relates to a universal oil tank connecting and sealing device.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of automobile oil tank detection equipment, specifically point to a general type oil tank connection sealing device. BACKGROUND

[0002] With the increase of the service life, the fuel system is bound to produce aging, which not only causes waste of oil and gas resources, but also has adverse effects on the environment. The fuel tank system detection device needs to be connected with the vehicle fuel tank system through the fuel filler. The traditional fuel tank system detection device is connected with the fuel tank by different size threads or flange connection. This connection method is prone to leakage during long-term use, especially in high pressure or vibration environment, which seriously affects the safe operation and service life of the equipment. The existing detection device connection method is often specific to a certain type or size of oil tank, which is difficult to adapt to the needs of different types of oil tank, increasing the user's maintenance cost and detection time consumption. UTILITY MODEL CONTENTS

[0003] The utility model solves the technical problem that the sealing effect of the connecting port is poor, the universality is poor, and it is difficult to adapt to different types and specifications of oil tanks.

[0004] To solve the above problems, the technical scheme adopted by the utility model is as follows: the general type oil tank connection sealing device provided by the utility model comprises a detection device and a mounting plate, a connecting pipe is arranged on the detection device, one end of the connecting pipe is fixedly arranged on the mounting plate, an annular bottom plate is fixedly arranged on the front side of the mounting plate, a connecting port is fixedly arranged on the front side of the bottom plate, the connecting pipe and the connecting port are in through connection, and the sealing mechanism, the inner locking mechanism and the outer locking mechanism are further included. The sealing mechanism is arranged at the connection between the connecting port and the bottom plate, and the sealing mechanism comprises a soft air bag and a rubber pad. The rubber pad is fixedly arranged on the front side of the bottom plate, the soft air bag is fixedly connected with the side wall of the bottom plate and movably connected with the rubber pad, the inner locking mechanism is arranged on the outer side of the connecting port, the inner locking mechanism comprises an inner spring and an inner limiting plate, one end of the inner spring is fixedly connected with the outer side wall of the connecting port, and the other end of the inner spring is fixedly connected with the inner side of the inner limiting plate, the outer locking mechanism is arranged on the outer side of the mounting plate, the outer locking mechanism comprises an outer limiting mechanism and an outer spring, a vertical plate is fixedly arranged on the rear side of the mounting plate, the outer limiting mechanism is rotatably connected with the side of the mounting plate, and the outer spring is connected with the vertical plate and the outer limiting mechanism.

[0005] Further, an air pump is arranged on the rear side of the mounting plate, one end of the air pump penetrates the mounting plate and the bottom plate in sequence and is in through connection with the soft air bag.

[0006] Further, the inner locking mechanism is provided with four groups and is arranged around the outer side wall of the connecting port.

[0007] Further, the inner limiting plate is provided as an arc-shaped plate structure with a front side being bent, the rear side of the inner limiting plate is parallel to the axis of the connecting port, and the front side of the inner limiting plate forms an acute angle with the outer side wall of the connecting port.

[0008] Further, the outer side of the rear part of the inner limiting plate is provided with an anti-skid groove.

[0009] Further, the outer locking mechanism is provided with four groups and is arranged at the outer side of the mounting plate.

[0010] Further, the outer limiting mechanism is provided as a bent plate structure, and the outer side of the outer limiting mechanism is provided with an anti-skid pattern.

[0011] The utility model discloses the beneficial effects achieved by the above structure are as follows:

[0012] 1. The universal oil tank connecting and sealing device provided by the scheme can connect oil filling holes with different diameters while ensuring the connecting and sealing property, greatly expands the application range of the connecting port, and reduces the detection and use cost.

[0013] 2. The universal oil tank connecting and sealing device provided by the scheme can be fixed by the outer locking mechanism on the outer side of the mounting plate, increase the connecting stability during detection, simplifies the need for manual intervention during the fixing and detection process, and is convenient to use. DRAWINGS

[0014] Fig. 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Fig. 2 It is a first partial schematic diagram of the utility model;

[0016] Fig. 3 It is a second partial schematic diagram of the utility model.

[0017] 1. detection device, 101. connecting pipe, 2. mounting plate, 201. bottom plate, 202. connecting port, 3. sealing mechanism, 301. soft air bag, 302. rubber pad, 303. air pump, 4. inner locking mechanism, 401. inner spring, 402. inner limiting plate, 403. anti-skid groove, 5. outer locking mechanism, 501. vertical plate, 502. outer limiting mechanism, 503. outer spring, 504. anti-skid pattern.

[0018] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, together with the embodiments of the utility model, to explain the utility model, and do not constitute a limitation on the utility model. DETAILED DESCRIPTION

[0019] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, apparently, the described embodiment is only a part of the embodiment of the utility model, and is not all the embodiment; all other embodiments obtained by the ordinary skilled in the art without making the creative labor based on the embodiment in the utility model belong to the range of protection of the utility model.

[0020] As Figs. 1-3 The utility model provides a general type oil tank connecting sealing device, including detection device 1 and mounting plate 2, be equipped with connecting pipe 101 on detection device 1, and the one end of connecting pipe 101 is fixedly connected with mounting plate 2, and the front side of mounting plate 2 is fixedly equipped with annular bottom plate 201, and the front side of bottom plate 201 is fixedly equipped with connecting port 202, and connecting pipe 101 and connecting port 202 are in through connection, still including sealing mechanism 3, inner locking mechanism 4 and outer locking mechanism 5, sealing mechanism 3 is equipped at the connecting place of connecting port 202 and bottom plate 201, sealing mechanism 3 includes soft air bag 301 and rubber pad 302, and rubber pad 302 is fixedly equipped at the front side of bottom plate 201, and soft air bag 301 is fixedly connected with the side wall of bottom plate 201 and is movably connected with rubber pad 302, and the rear side of mounting plate 2 is equipped with air pump 303, and one end of air pump 303 is in turn through mounting plate 2 and bottom plate 201 and is in through connection with soft air bag 301.

[0021] As Figs. 2-3 The inner locking mechanism 4 is equipped at the outside of connecting port 202, and the inner locking mechanism 4 includes inner spring 401 and inner limiting plate 402, and one end of inner spring 401 is fixedly connected with the outside wall of connecting port 202, and the other end of inner spring 401 is fixedly connected with the inside of inner limiting plate 402, and the inner locking mechanism 4 is equipped with four groups and is arranged at the periphery of the outside wall of connecting port 202 respectively, and the inner limiting plate 402 is equipped as the arc plate structure of front side bending, and the rear side of inner limiting plate 402 is parallel with the axis of connecting port 202, and the included angle between the front side of inner limiting plate 402 and the outside wall of connecting port 202 is acute, and the outer side of rear part of inner limiting plate 402 is equipped with anti-skid groove 403, for increasing the friction between inner limiting plate 402 and the inside wall of oil filling hole, and increasing the connection stability.

[0022] As Figs. 2-3 The outer locking mechanism 5 is equipped at the outside of mounting plate 2, and the outer locking mechanism 5 includes outer limiting mechanism 502 and outer spring 503, and the rear side of mounting plate 2 is fixedly equipped with vertical plate 501, and the outer limiting mechanism 502 is rotatably connected with the side of mounting plate 2, and the two ends of outer spring 503 are connected with vertical plate 501 and outer limiting mechanism 502 respectively, and the outer locking mechanism 5 is equipped with four groups and is arranged at the periphery of the outside of mounting plate 2 respectively, and the outer limiting mechanism 502 is equipped as the bent plate structure, and the outside of outer limiting mechanism 502 is equipped with anti-skid line 504, for increasing the friction between outer limiting mechanism 502 and the inner wall of oil filling port tank, and increasing the connection stability.

[0023] In use, the outer cap and the inner cap of the oil filler port of the automobile are opened, the connecting port 202 on the mounting plate 2 to which one end of the connecting pipe 101 of the detection device 1 is connected is inserted into the oil filler hole on the inner side of the inner cap of the oil filler port, in the process of insertion, the oil filler hole extrudes the inner limiting plate 402 and the inner spring 401 on the outer side of the connecting port 202, after being inserted into the inner side of the oil filler hole, until the bottom plate 201 is attached to the opening of the oil filler hole, the inner limiting plate 402 is attached to the inner side of the oil filler hole under the rebounding effect of the inner spring 401 and the anti-skid effect of the anti-skid groove 403, the connection of the connecting port 202 and the oil filler hole is completed, then the air pump 303 is used to inflate the soft air bag 301, until the soft air bag 301 is completely attached to the opening of the oil filler hole, while ensuring the sealing connection, the oil filler hole with different diameters can be connected, the connection adaptability is high, and the use cost is reduced.

[0024] In the connection of the connecting port 202 and the oil filler hole, the oil filler tank inner wall on the inner side of the outer cap of the oil filler port of the automobile extrudes the outer limiting mechanism 502, after the outer limiting mechanism 502 is extruded, the outer spring 503 is extruded while the mounting plate 2 rotates, after the connection is completed, the outer spring 503 extrudes the outer limiting mechanism 502 by the elastic force, the mutual extrusion and fixed connection of the outer limiting mechanism 502 and the oil filler tank inner wall are completed, the stability during detection of the detection device 1 is increased, the staff does not need to hold the detection device 1 during detection of the air tightness and the pressure resistance, and the detection device 1 is convenient to use.

[0025] The above describes the present application and its embodiments, which are not limited, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired by the embodiments, without departing from the creative purpose of the present application, similar structural modes and embodiments can be designed without creativity, which should belong to the protection scope of the present application.

Claims

1. A universal oil tank connection and sealing device, comprising a detection device and a mounting plate, wherein the detection device is provided with a connecting pipe, one end of the connecting pipe is fixedly connected to the mounting plate, an annular bottom plate is fixedly provided on the front side of the mounting plate, a connecting port is fixedly provided on the front side of the bottom plate, and the connecting pipe and the connecting port are connected in a through-connection manner, characterized in that: It also includes a sealing mechanism, an inner locking mechanism and an outer locking mechanism, wherein the sealing mechanism is arranged at the connection between the connecting port and the base plate, the sealing mechanism includes a soft air bag and a rubber pad, the rubber pad is fixed on the front side of the base plate, the soft air bag is fixed to the side wall of the base plate and is movably fitted with the rubber pad, the inner locking mechanism is arranged on the outside of the connecting port, the inner locking mechanism includes an inner spring and an inner limit plate, one end of the inner spring is fixed to the outer side wall of the connecting port, and the other end of the inner spring is fixed to the inner side of the inner limit plate, the outer locking mechanism is arranged on the outside of the mounting plate, the outer locking mechanism includes an outer limit mechanism and an outer spring, a vertical plate is fixed to the rear side of the mounting plate, the outer limit mechanism is rotatably connected to the side of the mounting plate, and the two ends of the outer spring are respectively connected to the vertical plate and the outer limit mechanism.

2. A universal fuel tank connection sealing device according to claim 1, characterized in that: An air pump is provided at the rear side of the mounting plate, and one end of the air pump passes through the mounting plate and the bottom plate in sequence and is connected with the soft air bag.

3. A universal oil tank connection sealing device according to claim 2, characterized in that: There are four sets of inner locking mechanisms, which are respectively arranged around the outer side wall of the connecting port.

4. A universal oil tank connection sealing device according to claim 3, characterized in that: The inner limit plate is configured as an arc-shaped plate structure with a bent front side. The rear side of the inner limit plate is parallel to the axis of the connection port, and the angle between the front side of the inner limit plate and the outer side wall of the connection port is acute.

5. The universal oil tank connection sealing device according to claim 4, characterized in that: An anti-slip groove is provided on the outer side of the rear portion of the inner limiting plate.

6. The universal oil tank connection sealing device according to claim 5, characterized in that: There are four sets of external locking mechanisms, which are respectively arranged around the outer side of the mounting plate.

7. The universal oil tank connection and sealing device according to claim 6, characterized in that: The outer limiting mechanism is configured as a bent plate-shaped structure, and anti-slip grooves are provided on the outer side of the outer limiting mechanism.