Automobile pipeline air tightness inspection equipment

Abstract

The utility model belongs to the technical field of automobile pipeline air tightness inspection, and particularly relates to automobile pipeline air tightness inspection equipment which comprises an inflator with moving wheels, and a first joint and a second joint which are used for plugging two ends of an automobile pipeline are arranged on the inflator. The first connector and the second connector are each provided with an annular air bag used for expansion sealing, a first inflation pipe and a third inflation pipe which are used for connection are arranged between the two annular air bags and the inflator, and an inspection area used for air tightness inspection is formed among the first connector, the second connector and the automobile pipeline. The annular air bags are additionally arranged on the first connector and the second connector, the first connector and the second connector can be rapidly and stably clamped at the end of the automobile pipeline through the annular air bags, the speed of connecting equipment with the automobile pipeline is increased, and meanwhile the sealing performance of connection between the connectors and the automobile pipeline is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile pipeline air tightness inspection, specifically relates to an automobile pipeline air tightness inspection equipment. BACKGROUND

[0002] The automobile pipeline needs to be inspected in air tightness after production, and the pipeline air tightness inspection equipment needs to be used in the process.

[0003] The existing air tightness inspection equipment is connected with the automobile pipeline through the joint, and in the connecting process, manual operation such as manual tightening and forceful clamping is generally used, manual tightening cannot guarantee the connection tightness between the joint and the end of the automobile pipeline, and when different sizes of automobile pipelines are inspected, the joint needs to be installed to be connected, which is low in efficiency, long in time and greatly increases the labor intensity of workers. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an automobile pipeline air tightness inspection equipment to solve the problems in the above background.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: an automobile pipeline air tightness inspection equipment, comprising: an inflator with moving wheels, the inflator is provided with a first joint and a second joint for plugging two ends of the automobile pipeline, the first joint and the second joint are both provided with annular air bags for expansion sealing, the two annular air bags and the inflator are provided with first inflation pipes and third inflation pipes for connection, the first joint, the second joint and the automobile pipeline form an inspection area for air tightness inspection, and the inflator is provided with a second inflation pipe extending into the inspection area.

[0006] Preferably, the first joint and the second joint are also provided with adjusting mechanisms connected with the annular air bags, and the adjusting mechanisms are used for adjusting the outer diameter of the annular air bags.

[0007] Preferably, the adjusting mechanism comprises a connecting seat, a screw seat and screw posts, the two screw posts are respectively installed on the axial extension lines of the first joint and the second joint close to the annular air bags, the connecting seat is sleeved on the screw posts, one end of the annular air bag away from the first joint or the second joint is installed at the edge position of one end of the connecting seat, the screw seat is provided with screw holes through which the screw posts are accommodated, and the screw seat is rotationally installed on the connecting seat.

[0008] Preferably, one end of the second inflation pipe is installed on the first joint and / or the second joint, and the screw seat and the connecting seat on the same side are both provided with annular arrays of air holes for aeration.

[0009] Preferably, the first inflation pipe, the second inflation pipe and the third inflation pipe are provided with a deflation valve for deflation, and a one-way valve is arranged in the first inflation pipe, the second inflation pipe and the third inflation pipe, and the one-way valve is arranged on the side of the deflation valve close to the inflator.

[0010] Preferably, the inflator is further provided with a first pressure gauge, a second pressure gauge and a third pressure gauge for detecting the air pressure of the first inflation pipe, the second inflation pipe and the third inflation pipe.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] (1) The utility model discloses a first joint and a second joint are clamped on the end of the automobile pipeline through the annular air bag, the speed of the equipment is improved when being connected with the automobile pipeline, and the sealing property of the connection between the joint and the automobile pipeline is improved.

[0013] (2) The utility model discloses an adjusting mechanism, the outer diameter of the annular air bag can be adjusted through the adjusting mechanism, the first joint and the second joint are installed on the end of the automobile pipeline of different sizes, and the use range of the equipment is improved. DRAWINGS

[0014] Figure 1 It is the structural schematic diagram of the utility model;

[0015] Figure 2 It is the cooperation schematic diagram of the first joint, the third inflation pipe, the annular air bag and the adjusting mechanism of the utility model;

[0016] Figure 3 It is the cooperation schematic diagram of the second joint, the first inflation pipe, the second inflation pipe, the annular air bag and the adjusting mechanism of the utility model;

[0017] Figure 4 It is the front view of the screw seat and the vent hole of the utility model;

[0018] In the drawing: 1, inflator;2, first pressure gauge;3, second pressure gauge;4, third pressure gauge;5, first inflation pipe;6, second inflation pipe;7, third inflation pipe;8, deflation valve;9, first joint;10, annular air bag;11, connecting seat;12, screw seat;13, stud;14, second joint;15, one-way valve;16, threaded hole;17, vent hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0020] Reference Figures 1-3 As shown in the figure, the utility model provides a kind of automobile pipeline air tightness inspection equipment, including: air compressor 1 with moving wheel, air compressor 1 is equipped with the first joint 9 and second joint 14 of plugging to the both ends of automobile pipeline, first joint 9 and second joint 14 are equipped with annular air bag 10 for inflatable seal on, first inflatable tube 5 and third inflatable tube 7 for connecting are equipped between two annular air bags 10 and air compressor 1, first joint 9, second joint 14 and automobile pipeline form the inspection area for air tightness inspection between, air compressor 1 is equipped with second inflatable tube 6 extending into the inspection area.

[0021] Combined Figure 1 As shown in the figure, air compressor 1 is also equipped with first air gauge 2, second air gauge 3 and third air gauge 4 for detecting the air pressure of first inflatable tube 5, second inflatable tube 6 and third inflatable tube 7.

[0022] Above, using the air compressor 1, first joint 9 and second joint 14 provided by the utility model, first joint 9 and second joint 14 are inserted into the both ends of automobile pipeline respectively, at this time air compressor 1 starts, two annular air bags 10 are inflated by first inflatable tube 5 and third inflatable tube 7, so that inflated annular air bag 10 is filled between automobile pipeline and first joint 9 or second joint 14, and then automobile pipeline forms sealed state, at this time, the air pressure in annular air bag 10 is detected by first air gauge 2 and third air gauge 4, to avoid the air pressure in annular air bag 10 to reduce, the air tightness of automobile pipeline end part is impressed, at this time, the inspection area is inflated by second inflatable tube 6, the air pressure in the inspection area is detected by second air gauge 3, after a period of time, when second air gauge 3 is at predetermined threshold value, the air tightness of automobile pipeline is qualified, otherwise unqualified.

[0023] Further, in order to remove the inspection of automobile pipeline, reference Figure 1As shown, the first inflation pipe 5, the second inflation pipe 6 and the third inflation pipe 7 are all provided with a deflation valve 8 for deflation, and the first inflation pipe 5, the second inflation pipe 6 and the third inflation pipe 7 are all provided with a one-way valve 15, and the one-way valve 15 is installed on the side of the deflation valve 8 close to the inflator 1. The one-way valve 15 prevents the backflow of gas in the annular airbag 10 and the inspection area, and the deflation valve 8 releases the air pressure in the annular airbag 10, which facilitates the release of the gas in the annular airbag 10 and the inspection area, and at this time, the first connector 9 and the second connector 14 can be removed from the automobile pipeline.

[0024] In the utility model, in combination with Figures 1-3 As shown, the first connector 9 and the second connector 14 of the embodiment are further provided with an adjusting mechanism connected with the annular airbag 10, and the adjusting mechanism is used for adjusting the outer diameter of the annular airbag 10.

[0025] In combination with Figures 1-3 As shown, the adjusting mechanism comprises a connecting seat 11, a screw seat 12 and a stud 13, the two studs 13 are respectively installed on the axial extension line of the end of the first connector 9 and the second connector 14 close to the annular airbag 10, the connecting seat 11 is sleeved on the stud 13, and the end of the annular airbag 10 away from the first connector 9 or the second connector 14 is installed at the edge position of one end of the connecting seat 11, the screw seat 12 is provided with a threaded hole 16 through which the stud 13 is accommodated, and the screw seat 12 is rotationally installed on the connecting seat 11.

[0026] In the above, in the use of the adjusting mechanism provided by the utility model, the connecting seat 11 is screwed on the stud 13 through the screw seat 12, and when the screw seat 12 is rotated, the connecting seat 11 is allowed to approach or move away from one side of the first connector 9 or the second connector 14, and when the connecting seat 11 approaches the first connector 9 or the second connector 14, the annular airbag 10 is extruded outward, so as to increase the outer diameter of the annular airbag 10, which facilitates the inspection of the equipment on the automobile pipeline with a larger size, and when the connecting seat 11 moves away from the first connector 9 or the second connector 14, the annular airbag 10 is unfolded outward, so as to reduce the inner diameter of the annular airbag 10, which facilitates the inspection of the equipment on the automobile pipeline with a smaller size.

[0027] Further, in order to facilitate the inflation of the inspection area through the second inflation pipe 6, referring to Figures 3-4 As shown, one end of the second inflation pipe 6 is installed through the first connector 9 and / or the second connector 14, and the screw seat 12 and the connecting seat 11 on the same side are both provided with a ventilation hole 17 in annular array for ventilation. The gas enters between the first connector 9 and the connecting seat 11 through the second inflation pipe 6, and at this time, the gas is allowed to enter the inspection area through the connecting seat 11 and the screw seat 12 through the ventilation hole 17, so as to form a high-pressure environment in the inspection area, and the automobile pipeline is detected by high pressure.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automobile pipe air tightness inspection apparatus characterized by comprising: The utility model relates to a kind of inflatable machine (1) and adjusting mechanism with moving wheel, the first joint (9) and second joint (14) for plugging the both ends of automobile pipeline are provided on the inflatable machine (1), annular air bag (10) for inflation sealing is provided on the first joint (9) and second joint (14), first inflatable tube (5) and third inflatable tube (7) for connection are provided between the two annular air bag (10) and inflatable machine (1), the first joint (9), second joint (14) and automobile pipeline form the inspection area for air tightness test between them, second inflatable tube (6) extending into the inspection area is provided on the inflatable machine (1). The first joint (9) and second joint (14) are further provided with adjusting mechanism connected with annular air bag (10), and the adjusting mechanism is used for adjusting the outer diameter of the annular air bag (10).

2. The automotive pipe air tightness inspection apparatus according to claim 1, characterized by: The adjusting mechanism includes connecting seat (11), screw seat (12) and stud (13), two stud (13) are respectively installed on the axial extension line of the first joint (9) and second joint (14) close to annular air bag (10) one end, connecting seat (11) is sleeved on stud (13), and the one end of annular air bag (10) away from the first joint (9) or second joint (14) is installed at the edge position of one end of connecting seat (11), screw seat (12) is rotatably installed on connecting seat (11), and threaded hole (16) through screw column (13) is passed through on screw seat (12).

3. The automotive pipe air tightness inspection apparatus according to claim 1, characterized by: One end of the second inflatable tube (6) is installed on the first joint (9) and / or second joint (14) through, and the same side screw seat (12) and connecting seat (11) are both annular array through air hole (17) for aeration.

4. The apparatus for testing the air tightness of a pipe of a vehicle according to claim 3, characterized in that: Deflation valve (8) for deflation is installed on the first inflatable tube (5), second inflatable tube (6) and third inflatable tube (7), one-way valve (15) is installed in the first inflatable tube (5), second inflatable tube (6) and third inflatable tube (7), and one-way valve (15) is installed on the side of deflation valve (8) close to inflatable machine (1).

5. The apparatus for testing the air tightness of a pipe of a vehicle according to claim 1, characterized in that: The inflatable machine (1) is further provided with first air pressure gauge (2), second air pressure gauge (3) and third air pressure gauge (4) for detecting the air pressure of first inflatable tube (5), second inflatable tube (6) and third inflatable tube (7).

6. The automotive pipe air tightness inspection apparatus according to claim 1, characterized by: ​

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