CN207832395U - Air tightness detection device for automobile fuel tank - Google Patents

Abstract

The utility model relates to the technical field of air tightness detection of an automobile oil tank in the production process, in particular to an air tightness detection device of the automobile oil tank, which comprises a packaging support frame, a detection container, a clamping piece for clamping an external oil tank, a driving mechanism for driving the clamping piece to enter and exit from external liquid accommodated in the detection container, and a pressure control assembly for controlling the pressure in the external oil tank; the detection container is connected with the support frame; the clamping piece is connected to the supporting frame in a sliding manner; the driving mechanism is arranged on the supporting frame; the pressure control assembly is arranged on the support frame; has the advantages that: the pressure control assembly fills the pressure air that requires into external oil tank, and actuating mechanism's drive is sent to the clear water in detecting the container, places the position of clear water regulation, through observing whether there is the bubble phenomenon in the clear water in the specified time, judges the qualification of oil tank and the gas leakage position of oil tank, through the pressure numerical value of setting pressure control assembly, makes the testing result have the authenticity to detection device is with low costs, detect simple effective.

Description

Air tightness detection device for automobile fuel tank

technical field

The utility model relates to the technical field of air-tightness detection of automobile fuel tanks in the production process, and in particular discloses an air-tightness detection device of automobile fuel tanks.

Background technique

With the rapid development of society and the rapid development of automobile manufacturing industry, automobiles have become an indispensable means of transportation in modern society, and fuel tanks are an indispensable part of automobiles. The quality of fuel tanks is directly related to the safety of automobiles. Air tightness testing is required in the production process. There are various traditional testing methods, but the testing methods are relatively traditional, there is no digital theoretical basis, the testing data is unscientific, and the authenticity of the test results cannot be guaranteed. Therefore, some fuel tanks that flow into the market There are security risks.

Contents of the invention

In order to overcome the shortcomings in the prior art, the purpose of this utility model is to provide a simple and efficient airtightness detection device for automobile fuel tanks, so as to realize the accuracy of detecting the airtightness of the fuel tanks.

To achieve the above object, the technical solution of the utility model is:

An air tightness detection device for an automobile fuel tank, a packaging support frame, including a detection container for accommodating external liquid, a clamp for clamping the external fuel tank, and a drive for driving the clamp to allow the external fuel tank to enter and exit Mechanism and pressure control components for controlling the pressure in the external fuel tank;

The detection container is connected to the bottom of the support frame;

The clamping piece is slidably connected to the support frame and located above the detection container;

The driving mechanism is arranged on the supporting frame;

The pressure control component is arranged on the support frame.

Further, the pressure control assembly includes a pressure controller for controlling the pressure in the external fuel tank, a pressure gauge for displaying the pressure in the external fuel tank, and a gas storage tank for providing high-pressure gas into the external fuel tank.

Further, the gas storage tank is provided with a safety valve for controlling the pressure in the gas storage tank.

Further, the detection container is made of stainless steel.

Further, the driving mechanism includes a cylinder installed on the support frame and a piston rod slidably arranged on the cylinder, and one end of the piston rod is connected with the clamping member.

Further, the clip includes a first connecting rod, a plurality of second connecting rods and a plurality of third connecting rods;

The first connecting rod is connected with the piston rod;

One ends of several second connecting rods are all connected to the first connecting rods, and the second connecting rods intersect with the first connecting rods;

Each second connecting rod is connected to a third connecting rod;

The other end of the third connecting rod is used for fixing the external oil tank.

Further, it also includes a guide piece for controlling the moving direction of the clamping piece, one end of the guide piece is fixedly connected to the support frame, and the other end of the guide piece is slidably connected to the first connecting rod.

Further, it also includes a lighting part arranged on the support frame.

Further, the lighting element is arranged on the upper end of the support frame.

Beneficial effects of the utility model: the external oil tank is filled with the required pressure air through the pressure control assembly, and then the oil tank is fixed on the clamping part, driven by the driving mechanism and sent to the clean water in the detection container, and placed in the specified position in the clean water, In the specified time, by observing whether there are bubbles in the clear water, judge the qualification of the fuel tank and the leak position of the fuel tank, and set the pressure value of the pressure control component to make the detection result authentic, and the detection device is low in cost and easy to detect. Simple and effective.

Description of drawings

Fig. 1 is the front view of the utility model;

Fig. 2 is a left view of the utility model.

Reference signs include:

100—oil tank 1—support frame 2—detection container

3—Clamping piece 31—First connecting rod 32—Second connecting rod

33—third connecting rod 4—drive mechanism 41—cylinder

42—piston rod 5—pressure control assembly 51—pressure controller

52—Pressure gauge 53—Air storage tank 531—Safety valve

6—guide piece 7—lighting piece.

Detailed ways

In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in conjunction with the embodiments and drawings, and the content mentioned in the implementation mode is not to limit the utility model.

Please refer to Fig. 1 to Fig. 2, a kind of airtightness detection device of automobile fuel tank of the present utility model, packing support frame 1, comprises the detection container 2 that is used to accommodate external liquid, is used for clamping the clamping of external fuel tank 100 Part 3, a drive mechanism 4 for driving the clamping part 3 so that the external oil tank 100 enters and exits the external liquid contained in the detection container 2, and a pressure control assembly 5 for controlling the pressure in the external oil tank 100;

The detection container 2 is connected to the bottom of the support frame 1;

The clamping part 3 is slidably connected to the support frame 1 and located above the detection container 2;

The driving mechanism 4 is located on the support frame 1;

The pressure control assembly 5 is disposed on the support frame 1 .

The pressure control assembly 5 includes a pressure controller 51 for controlling the pressure in the external oil tank 100, a pressure gauge 52 for displaying the pressure of the external oil tank 100, and an air storage tank 53 for providing high-pressure gas in the external oil tank 100.

The air storage tank 53 is provided with a safety valve 531 for controlling the pressure inside the air storage tank 53 .

The driving mechanism 4 includes a cylinder body 41 mounted on the support frame 1 and a piston rod 42 slidingly disposed on the cylinder body 41 . One end of the piston rod 42 is connected to the clamping member 3 .

The clip 3 includes a first connecting rod 31, a plurality of second connecting rods 32 and a plurality of third connecting rods 33;

The first connecting rod 31 is connected with the piston rod 42;

One end of several second connecting rods 32 is connected to the first connecting rod 31, and the second connecting rod 32 is intersected with the first connecting rod 31;

Each second connecting rod 32 is connected to a third connecting rod 33;

The other end of the third connecting rod 33 is used to fix the external oil tank 100 .

Specifically, in this embodiment, the detection container 2 is filled with industrial clear water, and the gas outlet of the gas storage tank 53 is sequentially provided with a ball valve, a flexible air pipe, a control handle, a flexible air pipe and a quick-change joint, and the output high-pressure gas is controlled by the control handle. The detection oil tank 100 is transferred to the oil tank air tightness detection area. The detection personnel set parameters on the pressure controller 51, connect the air storage tank 53 and the fuel tank, and feed the specified pressure air into the leak detection fuel tank 100 to keep the fuel tank 100 with the set pressure. Constant pressure, fix the fuel tank 100 on the clamping part 3, the driving mechanism 4 drives the clamping part 3 and the fuel tank 100 to move, the driving mechanism 4 uses the cylinder 41 to provide power to drive the piston rod 42 to move, and one end of the piston rod 42 is fixedly connected to the first connection Rod 31, the first connecting rod 31 is placed horizontally and horizontally, the bottom end of the first connecting rod 31 is welded with two second connecting rods 32, the second connecting rod 32 is placed vertically, and the bottom end of each second connecting rod 32 is welded with a first connecting rod 32 Three connecting rods 33, the third connecting rod 33 is placed horizontally and vertically, the bottom end of the third connecting rod 33 is used to clamp the fuel tank 100, under the action of the cylinder 41, the fuel tank 100 completes the action of taking and placing in the detection container 2, the fuel tank 100 Sent into the water in the detection container 2, the distance between the upper end surface of the oil tank 100 and the upper end surface on the water is 100mm, and the duration is 60 seconds. Observe whether there are bubbles emerging, and determine the air leakage position of the oil tank 100 by the direction of the bubbles.

Beneficial effects: the external fuel tank 100 is filled with the required pressure air through the pressure control assembly 5, and then the fuel tank 100 is fixed on the clamping part 3, driven by the driving mechanism 4 and sent to the clean water in the detection container 2, and placed in the clean water Position, by observing whether there are air bubbles in the clear water within the specified time, judge the qualification of the fuel tank 100 and the leak position of the fuel tank 100, and set the pressure value of the pressure control component 5 to make the test results authentic and detect The device cost is low, and the detection is simple and effective.

The detection container 2 is made of stainless steel.

Specifically, the detection container 2 is made of stainless steel, which has the function of preventing rust, causing the test water to be turbid and affecting the detection effect.

It also includes a guide piece 6 for controlling the moving direction of the clamping piece 3 , one end of the guide piece 6 is fixedly connected to the support frame 1 , and the other end of the guide piece 6 is slidably connected to the first connecting rod 31 .

Specifically, the guide member 6 adopts a slide rail slider (not shown in the figure) to ensure the consistency of the movement direction of the clamping member 3, wherein the slide rail 6 is connected to the support frame 1, and the slide block is connected to the first connecting rod through a connecting rod. The rods 31 are connected to realize smooth movement of the first connecting rod 31.

It also includes a lighting element 7 arranged on the support frame 1 .

The lighting element 7 is disposed on the upper end of the support frame 1 .

Specifically, the setting of the illuminating lamp 7 provides the best environment for observing the air bubbles in the water, and further improves the accuracy of detecting the airtightness of the fuel tank.

The above content is only a preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation and scope of application. The content of this specification should not be understood as Limitations on the Invention.

Claims (9)

1. An air tightness detection device for an automobile fuel tank, a packaging support frame (1), is characterized in that: it includes a detection container (2) for accommodating external liquid, a clamp for clamping the external fuel tank (100) part (3), a driving mechanism (4) for driving the clamping part (3) so that the external oil tank (100) enters and exits the external liquid contained in the detection container (2), and a driving mechanism (4) for controlling the internal pressure of the external oil tank (100) The pressure control assembly (5); The detection container (2) is connected to the support frame (1); The clamping piece (3) is slidably connected to the support frame (1) and located above the detection container (2); The driving mechanism (4) is located on the support frame (1); The pressure control component (5) is arranged on the support frame (1). 2. The airtightness detection device of the automobile fuel tank according to claim 1, characterized in that: the pressure control assembly (5) includes a pressure controller (51) for controlling the pressure in the external fuel tank (100), A pressure gauge (52) for displaying the pressure in the external oil tank (100) and an air storage tank (53) for providing high-pressure gas in the external oil tank (100). 3. The airtightness detection device of an automobile fuel tank according to claim 2, characterized in that: the gas storage tank (53) is provided with a safety valve (531) for controlling the pressure inside the gas storage tank (53). 4. The airtightness detection device of an automobile fuel tank according to claim 1, characterized in that: the detection container (2) is made of stainless steel. 5. The airtightness detection device of the automobile fuel tank according to claim 1, characterized in that: the drive mechanism (4) comprises a cylinder (41) mounted on the support frame (1) and a cylinder (41) slidingly arranged on the cylinder ( 41) Piston rod (42), one end of piston rod (42) is connected with holder (3). 6. The air tightness detection device of an automobile fuel tank according to claim 1, characterized in that: the clamping member (3) comprises a first connecting rod (31), a plurality of second connecting rods (32) and a plurality of second connecting rods (32) Three connecting rods (33); The first connecting rod (31) is connected with the piston rod (42); One end of several second connecting rods (32) is connected to the first connecting rod (31), and the second connecting rod (32) is intersected with the first connecting rod (31); Each second connecting rod (32) is connected to a third connecting rod (33); The other end of the third connecting rod (33) is used to fix the external oil tank (100). 7. The air tightness detection device of the automobile oil tank according to claim 6, characterized in that: it also includes a guide (6) for controlling the moving direction of the clamp (3), and one end of the guide (6) is fixed Connected to the support frame (1), the other end of the guide piece (6) is slidably connected to the first connecting rod (31). 8. The airtightness detection device of an automobile fuel tank according to claim 1, characterized in that it further comprises a lighting element (7) arranged on the support frame (1). 9. The airtightness detection device of the automobile fuel tank according to claim 8, characterized in that: the illuminating member (7) is arranged on the upper end of the supporting frame (1).