CN209166735U

CN209166735U - A kind of floating type airtight test machine

Info

Publication number: CN209166735U
Application number: CN201822210695.2U
Authority: CN
Inventors: 罗之军
Original assignee: Sichuan Jinghui Technology Co Ltd
Current assignee: Sichuan Jinghui Technology Co Ltd
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2019-07-26
Anticipated expiration: 2028-12-27

Abstract

The utility model discloses a kind of floating type airtight test machines, including sink, the bottom end inner wall of sink is fixedly connected with supporting block, the bottom end inner wall of sink is fixedly connected with movable block, the side wall of movable block is fixedly connected with limited position mechanism, one end that supporting block and movable block match is fixedly connected to gasket, the two sidewalls of sink have been respectively fixedly connected with water tank and gas tank, the bottom end fixation of gas tank is communicated with the first hose, the one end of first hose far from gas tank is connected to the fixation of the top of water tank, the bottom end fixation of water tank is communicated with communicating pipe, the bottom end of communicating pipe passes through the side wall of sink, the inner wall of gas tank is connected with first piston, the inner wall of water tank is connected with second piston, the upper surface of gas tank offers circular through hole.The utility model air-leakage test time shortens, and easy to operate, improves the efficiency of air-leakage test, also improves the accuracy of air-leakage test.

Description

A kind of floating type airtight test machine

Technical field

The utility model relates to air-leakage test technical field more particularly to a kind of floating type airtight test machines.

Background technique

Air tightness test is mainly to examine whether each connection position of container has leakage phenomenon, and medium toxic degree is pole Degree, height endanger or are not allow on designing the pressure vessel of micro-leakage, it is necessary to air tightness test are carried out, currently, for bavin The stainless steel engine oil adding pipe of oil machine needs to carry out air tightness test to oil pipe after producing, to guarantee that it in the future can be normally safe Work.

Existing air tightness test is mostly manual testing, i.e., is immersed in the water and has seen whether after oil pipe both ends nozzle being blocked Bubble generates, but does not reach certain pressure in the test mode inside oil pipe, and external and internal pressure difference is smaller, and test result is inadequate Obviously, cause the accuracy of air tightness test lower, while test speed is slower, cause the efficiency of air-leakage test lower.

Utility model content

It is mostly manual testing purpose of the utility model is to solve air tightness test in the prior art, and manual testing The problem that test accuracy is lower and detection efficiency is lower, and a kind of floating type airtight test machine proposed.

To achieve the goals above, the utility model adopts the technical scheme that

The bottom end inner wall of a kind of floating type airtight test machine, including sink, the sink is fixedly connected with supporting block, described The bottom end inner wall of sink is fixedly connected with movable block, and the side wall of the movable block is fixedly connected with limited position mechanism, the supporting block It is fixedly connected to gasket with one end that movable block matches, it is gentle that the two sidewalls of the sink have been respectively fixedly connected with water tank Case, the bottom end of the gas tank is fixed to be communicated with the first hose, and the top of first hose one end and water tank far from gas tank is solid Fixed connection, the bottom end of the water tank is fixed to be communicated with communicating pipe, and the bottom end of the communicating pipe passes through the side wall of sink, the gas tank Inner wall be connected with first piston, the inner wall of the water tank is connected with second piston, and the upper surface of the gas tank is opened Equipped with circular through hole, and the hole wall of circular through hole is rotatably connected to thread barrel, the inner wall spiral shell of the thread barrel by rolling bearing Line is connected with threaded rod, and the bottom end of the threaded rod and the upper surface of first piston are rotatablely connected, and the outer wall of the thread barrel is solid Surely it is socketed with the first helical gear, the upper surface of the gas tank is fixedly connected with driving motor, and the output end of the driving motor is solid Surely the second helical gear, the second helical gear roof and the first helical gear lower surface Vertical Meshing, the sink are connected with Upper surface be fixedly connected with support plate, the upper surface of the support plate is fixedly connected with air pump, and the output end of the air pump is solid Surely it is connected with the second hose, second hose passes through movable block and gasket far from one end of air pump.

Preferably, the position-limit mechanism includes that link block is fixedly connected with movable block side wall, the upper table of the link block Face offers circular through hole, and the hole wall of circular through hole is connected with gag lever post, and the upper surface of the sink offers multiple The limit hole to match with gag lever post bottom end, the bar wall fixing sleeve of the gag lever post are connected to block, and the bar wall of the gag lever post is living Dynamic to be connected with spring, the both ends of the spring are fixedly connected with the lower surface of the upper surface of block and link block respectively.

Preferably, the lower surface of the movable block is fixedly connected with sliding block, and the bottom end inner wall of the sink is offered and slided The sliding slot that block matches.

Preferably, the first piston and the side wall of second piston are fixedly connected to rubber pad.

Preferably, the bottom end inner wall of the sink is fixedly connected with cushion block.

Preferably, the upper surface of the first piston is fixedly connected with guide rod, and the top of the guide rod passes through gas tank Top and extend outwardly.

Compared with prior art, the utility model provides a kind of floating type airtight test machine, have it is following the utility model has the advantages that

1, floating type airtight test machine, by being provided with gag lever post, spring, movable block and gasket, when needing to detect When detecting oil pipe air-tightness, oil pipe is placed on bottom of gullet, and mobile movable block first, two gaskets is made to block two At end pipe mouth, gag lever post is then pulled, gag lever post is inserted into the limit hole of bottom of gullet, ensures under the elastic force effect of spring Movable block is not in movement, and then being sealed property detects again, which can be avoided movable block sliding, ensures gasket and nozzle The leakproofness of connection avoids unexpected factors from influencing oil pipe air-leakage test, improves the accuracy of oil pipe air-leakage test.

2, the floating type airtight test machine is being examined by being provided with air pump, driving motor, first piston and second piston When surveying oil pipe air-tightness, booster air pump, gas enter the inside of oil pipe by the second hose, increase the pressure inside oil pipe Power, expand air tightness test as a result, improves the accuracy of air-leakage test, starts driving motor later, driving motor passes through First helical gear and the second helical gear rotate thread barrel, and thread barrel rotation moves down threaded rod, and threaded rod pushes first Gas in piston press gas tank, gas are entered in water tank by the first hose, while pushing second piston mobile, and second is living Plug enter the water in water tank in screw clamp by communicating pipe, then water slowly flood oil pipe, watch oil pipe in the process Whether surface has bubble, and it is air-tightness if without bubble that bubble, which is then that air-tightness is unqualified, while determining the position of defect, Well, then invert driving motor, first piston moves up, and return to the water in sink in water tank by communicating pipe, with Just it reuses, which shorten the air-leakage test time, and easy to operate, improves the efficiency of air-leakage test, also mentions The high accuracy of air-leakage test.

It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the utility model The air-leakage test time shortens, and easy to operate, improves the efficiency of air-leakage test, also improves the accurate of air-leakage test Property.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of floating type airtight test machine structural schematic diagram；

Fig. 2 be the utility model proposes a kind of floating type airtight test machine part A structural schematic diagram.

In figure: 1 sink, 2 supporting blocks, 3 movable blocks, 4 gaskets, 5 water tanks, 6 gas tanks, 7 first hoses, 8 communicating pipes, 9 One piston, 10 second pistons, 11 thread barrels, 12 threaded rods, 13 first helical gears, 14 driving motors, 15 second helical gears, 16 Fagging, 17 air pumps, 18 second hoses, 19 link blocks, 20 gag lever posts, 21 springs, 22 guide rods.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Referring to Fig.1-2, the bottom end inner wall of a kind of floating type airtight test machine, including sink 1, sink 1 is fixedly connected with branch Bracer 2, the bottom end inner wall of sink 1 are fixedly connected with movable block 3, and the side wall of movable block 3 is fixedly connected with limited position mechanism, supporting block 2 are fixedly connected to gasket 4 with one end that movable block 3 matches, and the two sidewalls of sink 1 have been respectively fixedly connected with 5 He of water tank Gas tank 6, the bottom end of gas tank 6 is fixed to be communicated with the first hose 7, and the one end of the first hose 7 far from gas tank 6 and the top of water tank 5 are solid Fixed connection, the bottom end of water tank 5 is fixed to be communicated with communicating pipe 8, and the bottom end of communicating pipe 8 passes through the side wall of sink 1, the inner wall of gas tank 6 It is connected with first piston 9, the inner wall of water tank 5 is connected with second piston 10, and the upper surface of gas tank 6 offers round logical Hole, and the hole wall of circular through hole is rotatably connected to thread barrel 11 by rolling bearing, the inner thread of thread barrel 11 is connected with spiral shell Rasp bar 12, the bottom end of threaded rod 12 and the upper surface of first piston 9 are rotatablely connected, and the outer wall fixing sleeve of thread barrel 11 is connected to first Helical gear 13, the upper surface of gas tank 6 are fixedly connected with driving motor 14, and the output end of driving motor 14 is fixedly connected with second tiltedly Gear 15, the lower surface Vertical Meshing of the roof of the second helical gear 15 and the first helical gear 13, the upper surface of sink 1 is fixedly connected There is support plate 16, the upper surface of support plate 16 is fixedly connected with air pump 17, and the output end of air pump 17 is fixedly connected with the second hose 18, the second hose 18 passes through movable block 3 and gasket 4 far from one end of air pump 17.

Position-limit mechanism includes being fixedly connected with link block 19 with 3 side wall of movable block, and the upper surface of link block 19 offers circle Shape through-hole, and the hole wall of circular through hole is connected with gag lever post 20, the upper surface of sink 1 offers multiple and 20 bottom of gag lever post The limit hole to match is held, the bar wall fixing sleeve of gag lever post 20 is connected to block, and the bar wall of gag lever post 20 is connected with spring 21, The both ends of spring 21 are fixedly connected with the lower surface of the upper surface of block and link block 19 respectively, can be avoided the sliding of movable block 3, It ensures the leakproofness that gasket 4 is connect with nozzle, unexpected factors is avoided to influence oil pipe air-leakage test, improve the inspection of oil pipe air-tightness The accuracy of survey.

The lower surface of movable block 3 is fixedly connected with sliding block, and the bottom end inner wall of sink 1 offers the cunning to match with sliding block It is mobile that slot, sliding block and sliding slot can be moved easily block 3.

First piston 9 and the side wall of second piston 10 are fixedly connected to rubber pad, and rubber pad can increase first piston 9 With the leakproofness of 10 junction of second piston.

The bottom end inner wall of sink 1 is fixedly connected with cushion block, and cushion block can support detected oil pipe.

The upper surface of first piston 9 is fixedly connected with guide rod 22, the top of guide rod 22 pass through the top of gas tank 6 and to Outer extension, guide rod 22 can surface first piston 9 rotate, air pump 17 and driving motor 14 pass through control switch and external electrical Source is electrically connected, and it is the prior art that this, which is electrically connected, and known to those skilled in the art, and details are not described herein.

In the utility model, when needing to detect detection oil pipe air-tightness, oil pipe is placed on 1 bottom of sink first Portion, and mobile movable block 3, block two gaskets 4 at the nozzle of both ends, then pull gag lever post 20, gag lever post 20 is in spring It under 21 elastic force effect, is inserted into the limit hole of 1 bottom of sink, ensures movable block 3 not in movement, then being sealed property is examined again It surveys, which can be avoided the sliding of movable block 3, ensures the leakproofness that gasket 4 is connect with nozzle, unexpected factors is avoided to influence oil Pipe air-leakage test improves the accuracy of oil pipe air-leakage test, when detecting oil pipe air-tightness, booster air pump 17, gas Body enters the inside of oil pipe by the second hose 18, increases the pressure inside oil pipe, expand air tightness test as a result, improving The accuracy of air-leakage test, starts driving motor 14 later, and driving motor 14 passes through the first helical gear 13 and the second helical gear 15 rotate thread barrel 11, and the rotation of thread barrel 11 moves down threaded rod 12, and threaded rod 12 pushes first piston 9 to squeeze gas tank Gas in 6, gas are entered in water tank 5 by the first hose 7, while pushing second piston 10 mobile, and second piston 10 makes Water in water tank 5 is entered in screw clamp 1 by communicating pipe 8, then water slowly flood oil pipe, watch oil pipe table in the process Whether face has bubble, and it is that air-tightness is good if without bubble that bubble, which is then that air-tightness is unqualified, while determining the position of defect, It is good, then invert driving motor 14, first piston 9 moves up, and makes the water in sink 1 by communicating pipe 8 returning to water tank 5 Interior, to reuse, which shorten the air-leakage test time, and easy to operate, improves the efficiency of air-leakage test, Also improve the accuracy of air-leakage test.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims

1. a kind of floating type airtight test machine, including sink (1), which is characterized in that the bottom end inner wall of the sink (1) is fixed to be connected It is connected to supporting block (2), the bottom end inner wall of the sink (1) is fixedly connected with movable block (3), and the side wall of the movable block (3) is solid Surely limited position mechanism is connected, one end that the supporting block (2) and movable block (3) match is fixedly connected to gasket (4), institute The two sidewalls for stating sink (1) have been respectively fixedly connected with water tank (5) and gas tank (6), and the bottom end of the gas tank (6) is fixed to be communicated with the One hose (7), the one end of first hose (7) far from gas tank (6) are connected to the fixation of the top of water tank (5), the water tank (5) Bottom end fixation be communicated with communicating pipe (8), the bottom end of the communicating pipe (8) passes through the side wall of sink (1), the gas tank (6) Inner wall is connected with first piston (9), and the inner wall of the water tank (5) is connected with second piston (10), the gas tank (6) Upper surface offer circular through hole, and the hole wall of circular through hole is rotatably connected to thread barrel (11) by rolling bearing, described The inner thread of thread barrel (11) is connected with threaded rod (12), the bottom end of the threaded rod (12) and the upper table of first piston (9) Face rotation connection, the outer wall fixing sleeve of the thread barrel (11) are connected to the first helical gear (13), and the upper surface of the gas tank (6) is solid Surely it being connected with driving motor (14), the output end of the driving motor (14) is fixedly connected with the second helical gear (15), and described The roof of two helical gears (15) and the lower surface Vertical Meshing of the first helical gear (13), the upper surface of the sink (1) is fixed to be connected It is connected to support plate (16), the upper surface of the support plate (16) is fixedly connected with air pump (17), the output end of the air pump (17) It is fixedly connected with the second hose (18), second hose (18) passes through movable block (3) far from the one end of air pump (17) and seals It pads (4).

2. a kind of floating type airtight test machine according to claim 1, which is characterized in that the position-limit mechanism includes and shifting Motion block (3) side wall is fixedly connected with link block (19), and the upper surface of the link block (19) offers circular through hole, and round logical The hole wall in hole is connected with gag lever post (20), and the upper surface of the sink (1) offers multiple with gag lever post (20) bottom end phase Matched limit hole, the bar wall fixing sleeve of the gag lever post (20) are connected to block, and the bar wall of the gag lever post (20) is flexibly connected Have spring (21), the both ends of the spring (21) are fixedly connected with the lower surface of the upper surface of block and link block (19) respectively.

3. a kind of floating type airtight test machine according to claim 1, which is characterized in that the following table of the movable block (3) Face is fixedly connected with sliding block, and the bottom end inner wall of the sink (1) offers the sliding slot to match with sliding block.

4. a kind of floating type airtight test machine according to claim 1, which is characterized in that the first piston (9) and The side wall of two pistons (10) is fixedly connected to rubber pad.

5. a kind of floating type airtight test machine according to claim 1, which is characterized in that in the bottom end of the sink (1) Wall is fixedly connected with cushion block.

6. a kind of floating type airtight test machine according to claim 1, which is characterized in that the first piston (9) it is upper Surface is fixedly connected with guide rod (22), and the top of the guide rod (22) passes through the top of gas tank (6) and extends outwardly.