CN109297648B - Engine production detects and uses gas tightness measuring instrument convenient to observe - Google Patents
Engine production detects and uses gas tightness measuring instrument convenient to observe Download PDFInfo
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- CN109297648B CN109297648B CN201811363169.8A CN201811363169A CN109297648B CN 109297648 B CN109297648 B CN 109297648B CN 201811363169 A CN201811363169 A CN 201811363169A CN 109297648 B CN109297648 B CN 109297648B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
Abstract
The invention discloses an airtight measuring instrument for engine production detection, which is convenient to observe, and comprises a protective shell, a communication clamping seat and a sliding drawing plate, wherein a side-pulling flip cover is movably arranged on the outer surface of the front part of the protective shell, an observation window is fixedly arranged on the outer surface of the upper end of the side-pulling flip cover, two groups of fixing pull rings are fixedly arranged on the outer surface of the front end of the protective shell close to the lower part of the side-pulling flip cover, anti-skid supporting legs are fixedly arranged at four corners of the outer surface of the lower end of the protective shell, a fixing door plate is movably arranged on one side, close to the observation window, of the outer surface of the front part of the protective shell, and six groups of ventilation grooves are formed in the inner side of the front part of the fixing door plate at equal intervals; the air tightness measuring instrument for the production detection of the engine, which is convenient to observe, can enable the air tightness measuring instrument to have a multiple display structure, improve the measurement precision, avoid the occurrence of misjudgment, enable the installation and removal operation of measuring parts to be more labor-saving, and improve the tightness of equipment.
Description
Technical Field
The invention belongs to the technical field of engine production, and particularly relates to an air tightness detector, in particular to an air tightness measuring instrument which is convenient to observe and is used for engine production detection.
Background
The sealing tester is connected to a testing room, specially designed to accommodate the package to be tested, the testing room package is placed in the experimental room to be vacuumized, the single or double gas sensor technology is used for monitoring the vacuum state of the testing room in two layers and also monitoring the vacuum change of a preset testing period, the absolute vacuum and the change of the relative vacuum imply the leakage and the defect existing in the package, the airtight tester is a state monitoring and detecting device, a control alarm system or a special detecting device can be formed by using the airtight tester, and the airtight monitoring operation can be carried out on the produced engine parts by using the airtight measuring instrument, so that the qualification rate of the production of the engine parts is improved;
the existing sealing tester equipment has certain defects in the using process, the traditional sealing tester observes the internal air pressure change of the sealing tester through the air sensor, only a single observation structure is provided, when the traditional air sensor fails, a user cannot obtain an accurate detection result by using the sealing tester, the phenomenon structure is single, the traditional sealing tester is of an integral structure, an engine part has certain weight, the user needs to repeatedly move multiple groups of engine parts when the sealing tester is used for airtight detection, the operation difficulty of the user is increased, the taking-out operation of the detection part is more laborious, the traditional sealing tester adopts a thread fixing structure, the tightness of the sealing tester is reduced, the sealing structure is single, the function is single, and certain adverse effects are brought to the user.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide an airtight measuring instrument for engine production detection, which is convenient to observe, by arranging a gas-displaying bottle and a disc-type base, when the air pressure index of a protective shell changes, redundant gas can enter the disc-type base through an air inlet pipe of an air inlet valve cap, when gas flow is generated in the disc-type base, flowing gas can be contacted with a color-developing agent, so that the color-developing agent is mixed into liquid in the gas-displaying bottle, when the color-developing agent is dissolved in the liquid in the gas-displaying bottle, a user can directly observe the gas-displaying bottle to obtain a detection result, the redundant gas can be discharged through a ventilation groove of a sealing upper cover pair, the influence on the detection result caused by the fault of a gas sensor is avoided, the equipment has a double detection structure, the accuracy of the airtight measuring instrument is effectively improved, by arranging a sliding pumping plate and a rolling sliding rod, when a user needs to take out the engine parts detected in the protective shell, the user can pull the two groups of fixed pull rings of the sliding drawing plate, reduce the friction force between the bottom of the protective shell and the sliding drawing plate by utilizing the rolling sliding rod, the limiting clamping block plays a limiting and fixing role on the moving sliding drawing plate, after the sliding drawing plate is moved out, the user can transfer the engine parts on the sliding drawing plate, and can fix the two sides of the engine parts by matching with the spring bolt and the movable top plate when the engine parts are installed, the moving-out and installation operation of the engine parts can be more labor-saving by utilizing the sliding drawing plate, so that the operation difficulty of the user is reduced, when the user fixes the communicating pipe of the air tightness measuring instrument, the user inserts the communicating clamping seat into the pipe interface, rotates the operating handle to fix the communicating pipe, utilize communicating pipe to the interior injection gas of expansion pipe for the volume grow of expansion pipe fills the gap between communicating pipe and the fixed snap ring, thereby avoids inside gaseous leakage phenomenon of gas tightness measuring instrument to appear, effectively promotes this gas tightness measuring instrument's sealed effect, and after gas tightness measuring instrument accomplishes the detection, the interior gas discharge of expansion pipe, the volume diminishes, can directly shift out communicating pipe, makes the removal operation of communicating pipe more laborsaving.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides an engine production detects with gas tightness measuring instrument convenient to observe, includes protecting sheathing, intercommunication cassette and slip take out board, protecting sheathing's front portion surface movable mounting has side pull flip, and side pull flip's upper end surface fixed mounting has the observation window, protecting sheathing's front end surface is close to the lower part fixed mounting of side pull flip has two sets of fixed pull rings, protecting sheathing's lower extreme surface four corners department all fixed mounting has anti-skidding landing leg, and protecting sheathing's front portion surface is close to one side movable mounting of observation window has fixed door plant, six sets of ventilation slots have been seted up to fixed door plant's front portion inboard equidistant, protecting sheathing's one side surface fixed mounting has the thing board, and protecting sheathing's one side surface is close to the upper portion fixed mounting of putting the thing board, fixed mounting has the fixed roof of upper end surface intermediate position fixed mounting has the gas cylinder, protecting sheathing's upper portion inboard equidistant six sets of wind groove boards, and protecting sheathing's upper portion surface mounting has the sealing cap, one side fixed mounting has two sets of pneumatic table near the sealing cap, and the inside is connected at the fixed mounting of three side of expansion pipe fixed mounting of expansion seat, the expansion joint is fixed with the fixed mounting of three side expansion pipe, the expansion joint is fixed mounting of the bottom of expansion pipe, the expansion joint is fixed with the bottom of the expansion joint has the expansion joint between the fixed mounting of the bottom of the expansion pipe, the upper inner surface mounting of board is taken out in slip has two sets of removal roof, and takes out through two sets of latch elastic connection between board and the removal roof to slip, sealed upper cover is installed to the upper end of showing the gas cylinder, and the lower extreme fixed mounting of showing the gas cylinder has the disc base, the inboard intermediate position embedding in top of disc base has the developer, the lower extreme surface intermediate position fixed mounting of disc base has the intake pipe, and the one end external surface fixed cover of intake pipe has cup jointed the valve cap that admits air, the swivel pin has all been inserted at the both ends of sealed top cap, and through two sets of support arm swing joint between sealed top cap and the protecting sheathing, the top surface intermediate position fixed mounting of sealed top cap has fixed handle, and the lower extreme surface fixed mounting of sealed top cap has two sets of limit snap rings, sealed top cap's the inboard fixed embedding in bottom has sealed pad frame.
As a further scheme of the invention, the rotation angle ranges of the side pull flip cover and the seal top cover are all zero to one hundred eighty degrees, the side pull flip cover and the seal top cover are fixed in a buckling manner, and the inner side of the side pull flip cover is provided with an airtight groove.
As a further scheme of the invention, the whole structure of the expansion pipe is a cylindrical hollow structure, the cross section structure of the expansion pipe is an annular structure, and the communication clamping seat is in through connection with the expansion pipe through two groups of air pipes.
As a further scheme of the invention, the longitudinal movement range of the sliding drawing plate is zero to one point two meters, four groups of fixing clamping grooves are formed in the inner side of the upper part of the sliding drawing plate, and an anti-skid washer is fixedly arranged on the outer surface of the bottom of the anti-skid supporting leg.
As a further scheme of the invention, the fixing mode between the gas display cylinder and the sealing upper cover is screw thread fixing, four groups of ventilation grooves are arranged on the inner side of the sealing upper cover at equal intervals, two groups of supporting legs are fixedly arranged on the lower portion of the object placing plate, and square notches are formed in the upper portion of the object placing plate.
As a further scheme of the invention, two groups of arc clamping grooves are formed in the inner side of the upper part of the fixed clamping ring at equal intervals, and the fixed clamping ring is fixed in the clamping grooves.
As a further scheme of the invention, the longitudinal movement range of the movable top plate is zero to thirty centimeters, the interior of the gas display cylinder is provided with liquid, and the depth of the liquid is two thirds of the height of the inner wall of the gas display cylinder.
As a further scheme of the invention, the specific using operation steps of the equipment are as follows:
step one: the installation operation is that the engine part is placed on a movable top plate of the sliding drawing plate, the two sides of the engine are clamped by using a spring bolt, the sliding drawing plate is pushed under the action of a rolling sliding rod, the engine part is moved into the protection shell, and meanwhile, the side-pulling flip cover and the side-pulling flip cover are closed to seal the inside of the protection shell;
step two: the butt joint operation, clamping the communication clamping seat at the air inlet hole of the protective shell, rotating the operation handle, fastening the communication clamping seat, injecting air into the expansion pipe by using the communication pipe, so that the expansion pipe is rapidly expanded, and finishing butt joint fixation by using the fixing clamping ring;
step three: and developing operation, wherein gas enters the disc type base through the gas inlet pipe of the gas inlet valve cap and contacts with the color developing agent, so that the color developing agent is mixed into liquid in the gas developing cylinder, and the developing operation is completed.
The invention has the beneficial effects that:
1. through setting up gas-displaying bottle and disk base, when the change appears in protective housing's atmospheric pressure index, unnecessary gas can get into disk base through the intake pipe of air inlet valve cap, when producing the gas flow in disk base, flowing gas can produce the contact with developer for developer mixes in the liquid in the gas-displaying bottle, when developer dissolves in the liquid in the gas-displaying bottle, the user can learn the testing result through observing the gas-displaying bottle directly, unnecessary gas can be discharged through the ventilation groove of sealing upper cover pair, avoid influencing the monitoring result because of gas sensor trouble, make equipment have dual detection structure, thereby effectively promote the accuracy of this confidentiality measuring instrument.
2. Through setting up slip and take out board and roll slide bar, when the user needs to take out the engine part that detects in the protecting sheathing, the user can be through pulling two sets of fixed pull rings of slip take out board, utilize roll slide bar to reduce the friction between protecting sheathing bottom and the slip take out board, spacing fixture block plays spacing fixed action to the slip take out board that moves, after the slip takes out the board and shift the operation to the engine part on the slip take out board between the user, cooperation latch and removal roof, can be fixed its both sides when the engine part is installed, utilize the slip to take out the board and can make the removal of engine part more laborsaving with the installation operation, thereby reduce the operation degree of difficulty of user.
3. Through setting up slip and take out board and roll slide bar, when the user needs to take out the engine part that detects in the protecting sheathing, the user can be through pulling two sets of fixed pull rings of slip take out board, utilize roll slide bar to reduce the friction between protecting sheathing bottom and the slip take out board, spacing fixture block plays spacing fixed action to the slip take out board that moves, after the slip takes out the board and shift the operation to the engine part on the slip take out board between the user, cooperation latch and removal roof, can be fixed its both sides when the engine part is installed, utilize the slip to take out the board and can make the removal of engine part more laborsaving with the installation operation, thereby reduce the operation degree of difficulty of user.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic diagram showing the overall structure of an airtight measuring instrument for engine production inspection, which is convenient to observe.
FIG. 2 is an exploded view of the communication card holder of the airtight measuring instrument for engine production detection, which is convenient to observe.
FIG. 3 is an exploded view of a sliding drawer plate of an airtight measuring instrument for engine production inspection, which is convenient to observe.
FIG. 4 is a diagram showing the whole structure of the gas cylinder of the gas tightness measuring instrument for the production and detection of the engine, which is convenient to observe.
FIG. 5 is a schematic view showing the structure of a seal top cover of an airtight measuring instrument for engine production and detection, which is convenient to observe.
In the figure: 1. an anti-slip leg; 2. side-pulling the flip cover; 3. fixing the pull ring; 4. fixing the door plate; 5. a ventilation groove; 6. a storage plate; 7. a protective housing; 8. fixing the top plate; 9. displaying a gas bottle; 10. an air pressure gauge; 11. sealing the top cover; 12. a duct plate; 13. an operating handle; 14. an observation window; 15. an arc-shaped clamping groove; 16. a fixed snap ring; 17. an expansion tube; 18. a communicating pipe; 19. a communication clamping seat; 20. rolling the slide bar; 21. sliding the drawing plate; 22. a latch; 23. moving the top plate; 24. a limit clamping block; 25. an air inlet pipe; 26. a color developer; 27. sealing the upper cover; 28. a disc base; 29. an air inlet valve cap; 30. a gasket frame; 31. a support arm; 32. a rotation pin; 33. a fixed handle; 34. and a limiting snap ring.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-5, an airtight measuring instrument for engine production detection convenient for observation comprises a protective shell 7, a communication clamping seat 19 and a sliding drawing plate 21, wherein a side-pulling flip cover 2 is movably arranged on the outer surface of the front part of the protective shell 7, an observation window 14 is fixedly arranged on the outer surface of the upper end of the side-pulling flip cover 2, two groups of fixing pull rings 3 are fixedly arranged on the outer surface of the front end of the protective shell 7 close to the lower part of the side-pulling flip cover 2, anti-skid supporting legs 1 are fixedly arranged at four corners of the outer surface of the lower end of the protective shell 7, the anti-skid supporting legs 1 play a role in fixing equipment, side shifting phenomenon of the equipment is avoided, a fixing door plate 4 is movably arranged on one side of the outer surface of the front part of the protective shell 7 close to the observation window 14, six groups of ventilation grooves 5 are formed in the inner side of the front part of the fixing door plate 4 at equal intervals, a storage plate 6 is fixedly arranged on the outer surface of one side of the protective shell 7, the object placing plate 6 can be used for placing and detecting rear side object samples, a fixed top plate 8 is fixedly arranged on one side outer surface of the protective shell 7 near the upper part of the object placing plate 6, an air displaying cylinder 9 is fixedly arranged in the middle of the outer surface of the upper end of the fixed top plate 8, six groups of air duct plates 12 are arranged on the inner side of the upper part of the protective shell 7 at equal intervals, the air duct plates 12 can be used for pumping or filling air in the protective shell 7, a sealing top cover 11 is arranged on the outer surface of the upper part of the protective shell 7, two groups of barometers 10 are fixedly arranged on one side of the outer surface of the upper part of the protective shell 7 near the sealing top cover 11, a communication clamping seat 19 is fixedly embedded in the inner side of the other end of the protective shell 7, an operation handle 13 is fixedly arranged on the upper part of the communication clamping seat 19, a communication pipe 18 is fixedly arranged on the outer surfaces of two sides of the communication clamping seat 19, an expansion pipe 17 is fixedly arranged on the lower part of the communication clamping seat 19, the outer surface of the expansion pipe 17 is fixedly sleeved with a fixed clamping ring 16, a sliding drawing plate 21 is inserted into the inner side of the bottom of the protective shell 7, the sliding drawing plate 21 is movably connected with the protective shell 7 through three groups of rolling sliding rods 20, three groups of limit clamping blocks 24 are fixedly arranged on the outer surface of the bottom of the sliding drawing plate 21 at equal intervals, two groups of movable top plates 23 are arranged on the inner surface of the upper part of the sliding drawing plate 21, the sliding drawing plate 21 is elastically connected with the movable top plates 23 through two groups of spring bolts 22, a sealing upper cover 27 is arranged at the upper end of the gas-displaying bottle 9, a disc base 28 is fixedly arranged at the lower end of the gas-displaying bottle 9, a color-displaying agent 26 is embedded in the middle position of the inner side of the top of the disc base 28, the color of the liquid in the gas-displaying bottle 9 can be changed after the color-displaying agent 26 is dissolved, the gas inlet pipe 25 is fixedly arranged at the middle position of the outer surface of the lower end of the disc base 28, the gas inlet valve cap 29 is fixedly sleeved on the outer surface of one end of the gas inlet pipe 25, the rotating pins 32 are inserted into the two ends of the sealing top cover 11, the sealing top cover 11 is movably connected with the protecting shell 7 through two groups of supporting arms 31, the fixed handle 33 is fixedly arranged at the middle position of the outer surface of the top of the sealing top cover 11, the two groups of limiting clamping rings 34 are fixedly arranged at the outer surface of the lower end of the sealing top cover 11, and the sealing gasket frame 30 is fixedly embedded into the inner side of the bottom of the sealing top cover 11.
As a further scheme of the invention, the rotation angle ranges of the side-pulling flip cover 2 and the sealing top cover 11 are all zero to one hundred eighty degrees, the side-pulling flip cover 2 and the sealing top cover 11 are fixed in a buckling manner, the inner side of the side-pulling flip cover 2 is provided with an airtight groove, and when the side-pulling flip cover 2 and the sealing top cover 11 are closed, the inside of the protective shell 7 is in a complete sealing state.
As a further scheme of the invention, the whole structure of the expansion pipe 17 is a cylindrical hollow structure, the cross section structure of the expansion pipe 17 is an annular structure, the communication clamping seat 19 is in through connection with the expansion pipe 17 through two groups of air pipes, and the expansion pipe 17 has a filling effect on gaps among the pipes, so that the tightness of the expansion pipe is effectively improved.
As a further scheme of the invention, the longitudinal movement range of the sliding drawing plate 21 is zero to one point two meters, four groups of fixing clamping grooves are formed in the inner side of the upper part of the sliding drawing plate 21, and the outer surface of the bottom of the anti-skid support leg 1 is fixedly provided with an anti-skid washer which can increase the friction force between the anti-skid support leg 1 and the ground, so that the phenomenon of sideslip of the anti-skid support leg 1 is avoided.
As a further scheme of the invention, the fixing mode between the gas display bottle 9 and the sealing upper cover 27 is screw thread fixing, four groups of ventilation grooves are arranged on the inner side of the sealing upper cover 27 at equal intervals, two groups of support legs are fixedly arranged on the lower portion of the object placing plate 6, square notches are formed in the upper portion of the object placing plate 6, redundant gas in the gas display bottle 9 can be discharged through the ventilation grooves on the sealing upper cover 2, and the phenomenon of explosion of the gas display bottle 9 is avoided.
As a further scheme of the invention, two groups of arc clamping grooves 15 are formed in the inner side of the upper part of the fixed clamping ring 16 at equal intervals, and the fixed clamping ring 16 is fixed by the clamping grooves, and the arc clamping grooves 15 are opposite to the communicating pipe 18. Plays a role of fixing
As a further proposal of the invention, the longitudinal movement range of the movable top plate 23 is zero to thirty cm, the inside of the developing gas cylinder 9 is provided with liquid, the depth of the liquid is two thirds of the height of the inner wall of the developing gas cylinder 9, and the liquid in the developing gas cylinder 9 can be utilized to fully dissolve the color developing agent.
As a further scheme of the invention, the specific using operation steps of the equipment are as follows:
step one: the installation operation, the engine part is placed on the movable top plate 23 of the sliding drawing plate 21, the two sides of the engine are clamped by the spring bolts 22, the sliding drawing plate 21 is pushed under the action of the rolling sliding rod 20, the engine part is moved into the protection shell 7, the side-pulling flip 2 and the side-pulling flip 2 are closed, and the protection shell 7 is sealed;
step two: the butt joint operation, clamping the communication clamping seat 19 at the air inlet hole of the protective shell 7, rotating the operation handle 13, fastening the communication clamping seat 19, injecting air into the expansion pipe 17 by using the communication pipe 18, so that the expansion pipe 17 is rapidly expanded, and finishing butt joint fixation by using the fixed clamping ring 16;
step three: in the developing operation, the gas enters the disc base 28 through the gas inlet pipe 25 of the gas inlet valve cap 29 and contacts with the developer 26, so that the developer 26 is mixed into the liquid in the gas bottle 9, and the developing operation is completed.
When in operation, a user places a detection object in the interior of the protective shell 7, closes the side pull flip cover 2 and the sealing top cover 11, starts the air tightness measuring instrument, evacuates air in the protective shell 7 by utilizing the air duct plate 12 to enable the interior of the air tightness measuring instrument to be in a vacuum state, senses the internal air pressure change of the protective shell 7 by utilizing the air sensor in the air tightness measuring instrument, the model of the air sensor is CYY11, when the air pressure value deviates, the air pressure meter 10 can change by a certain value, the user can observe conveniently, the user can maintain the components in the protective shell 7 by opening the fixed door plate 4, the ventilation groove 5 increases the air flow in the protective shell 7 to play a certain heat dissipation role, the place of the common articles can be placed at the place of the article placing plate 6, the fixed top plate 8 plays an isolating protection role on the articles, the sealing gasket frame 30 can increase the sealing performance of the sealing top cover 11 when being closed, the supporting arm 31 starts a certain supporting function on the opened sealing top cover 11, the rotating pin 32 can enable the sealing top cover 11 to rotate at a moving angle, when the air pressure index of the protective shell 7 changes, the redundant air enters the disc type base 28 through the air inlet pipe 25 of the air inlet valve cap 29, when the air flow occurs in the disc type base 28, the flowing air contacts with the color developing agent 26, so that the color developing agent 26 is mixed into the liquid in the color developing bottle 9, when the color developing agent 26 is dissolved in the liquid in the color developing bottle 9, a user can directly know the detection result through observing the color developing bottle 9, the redundant air is discharged through the vent groove of the sealing upper cover 27, the monitoring result is prevented from being influenced by the fault of the air sensor, the device has a double detection structure, thereby effectively improving the accuracy of the tightness measuring instrument, by arranging the sliding drawing plate 21 and the rolling sliding rod 20, when a user needs to take out the engine component detected in the protective shell 7, the user can lower the friction force between the bottom of the protective shell 7 and the sliding drawing plate 21 by using the rolling sliding rod 20 through pulling two groups of fixing pull rings 3 of the sliding drawing plate 21, the limiting clamping block 24 plays a role in limiting and fixing the moving sliding drawing plate 21, after the sliding drawing plate 21 is moved out, the user can transfer the engine component on the sliding drawing plate 21, and can fix the two sides of the engine component when the engine component is installed by matching with the spring bolt 22 and the moving top plate 23, the moving and the installation operation of the engine component can be more labor-saving by using the sliding drawing plate 21, thereby reduce user's operation degree of difficulty, through setting up fixed snap ring 16 and expansion pipe 17, when the user is fixed communicating pipe 18 to the gas tightness measuring instrument, the user inserts the pipe joint department with communicating cassette 19, rotate operating handle 13 and fix it, utilize communicating pipe 18 to inject gas in to expansion pipe 17, make the volume grow of expansion pipe 17, fill the gap between communicating pipe 18 and fixed snap ring 16, thereby avoid gas leakage phenomenon in the gas tightness measuring instrument inside to appear, effectively promote the sealed effect of this gas tightness measuring instrument, and after gas tightness measuring instrument accomplishes the detection, gas discharge in the expansion pipe 17, the volume diminishes, can directly shift out communicating pipe 18, make the removal operation of communicating pipe 18 more laborsaving.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (5)
1. The utility model provides an engine production detects and uses gas tightness measuring instrument convenient to observe, its characterized in that includes protective housing (7), intercommunication cassette (19) and slip pull plate (21), the front portion surface movable mounting of protective housing (7) has side to draw flip (2), and the upper end surface fixed mounting of side to draw flip (2) has observation window (14), the front end surface of protective housing (7) is close to the lower part fixed mounting of side to draw flip (2) has two sets of fixed pull rings (3), the lower extreme surface four corners department of protective housing (7) all fixed mounting has anti-skidding landing leg (1), and the front portion surface of protective housing (7) is close to one side movable mounting of observation window (14) fixed door plant (4), six sets of ventilation slots (5) have been seted up to the front portion inboard equidistant of fixed door plant (4);
the air conditioner is characterized in that a storage plate (6) is fixedly arranged on the outer surface of one side of the protective shell (7), a fixed top plate (8) is fixedly arranged on the outer surface of one side of the protective shell (7) close to the upper part of the storage plate (6), an air display cylinder (9) is fixedly arranged in the middle of the outer surface of the upper end of the fixed top plate (8), six groups of air duct plates (12) are arranged on the inner side of the upper part of the protective shell (7) at equal intervals, a sealing top cover (11) is arranged on the outer surface of the upper part of the protective shell (7), two groups of air pressure gauges (10) are fixedly arranged on the outer surface of the upper part of the protective shell (7) close to the sealing top cover (11), and a communication clamping seat (19) is fixedly embedded into the inner side of the other end of the protective shell (7);
the upper part of the communication clamping seat (19) is fixedly provided with an operation handle (13), the outer surfaces of two sides of the communication clamping seat (19) are fixedly provided with communication pipes (18), the lower part of the communication clamping seat (19) is fixedly provided with expansion pipes (17), the outer surfaces of the expansion pipes (17) are fixedly sleeved with fixing clamping rings (16), the sliding drawing plate (21) is inserted into the inner side of the bottom of the protective shell (7), the sliding drawing plate (21) is movably connected with the protective shell (7) through three groups of rolling sliding rods (20), the outer surfaces of the bottom of the sliding drawing plate (21) are fixedly provided with three groups of limiting clamping blocks (24) at equal intervals, the inner surfaces of the upper parts of the sliding drawing plate (21) are provided with two groups of movable top plates (23), the sliding drawing plate (21) are elastically connected with the movable top plates (23) through two groups of spring bolts (22), the upper end of the gas display cylinder (9) is provided with a sealing upper cover (27), and the lower end of the gas display cylinder (9) is fixedly provided with a disc base (28);
the middle position of the inner side of the top of the disc base (28) is embedded with a color reagent (26), the middle position of the outer surface of the lower end of the disc base (28) is fixedly provided with an air inlet pipe (25), one end outer surface of the air inlet pipe (25) is fixedly sleeved with an air inlet valve cap (29), two ends of the sealing top cover (11) are inserted with rotating pins (32), the sealing top cover (11) is movably connected with the protective shell (7) through two groups of supporting arms (31), the middle position of the outer surface of the top of the sealing top cover (11) is fixedly provided with a fixed handle (33), the outer surface of the lower end of the sealing top cover (11) is fixedly provided with two groups of limiting snap rings (34), and the inner side of the bottom of the sealing top cover (11) is fixedly embedded with a sealing gasket frame (30);
the rotation angle ranges of the side pull flip cover (2) and the seal top cover (11) are zero to one hundred eighty degrees, the fixing modes of the side pull flip cover (2) and the seal top cover (11) are buckle fixing, and the inner side of the side pull flip cover (2) is provided with an airtight groove;
the whole structure of the expansion pipe (17) is a cylindrical hollow structure, the cross section structure of the expansion pipe (17) is an annular structure, and the communication clamping seat (19) is in through connection with the expansion pipe (17) through two groups of air pipes.
2. The air tightness measuring instrument for engine production detection convenient to observe according to claim 1, wherein the longitudinal movement range of the sliding drawing plate (21) is zero to one point two meters, four groups of fixing clamping grooves are formed in the inner side of the upper part of the sliding drawing plate (21), and an anti-slip washer is fixedly arranged on the outer surface of the bottom of the anti-slip supporting leg (1).
3. The air tightness measuring instrument for engine production detection convenient to observe according to claim 1, wherein a fixing mode between the gas display cylinder (9) and the sealing upper cover (27) is a threaded fixing mode, four groups of ventilation grooves are formed in the inner side of the sealing upper cover (27) at equal intervals, two groups of supporting legs are fixedly arranged at the lower portion of the object placing plate (6), and square notches are formed in the upper portion of the object placing plate (6).
4. The air tightness measuring instrument for engine production detection convenient for observation according to claim 1, wherein two groups of arc clamping grooves (15) are formed in the inner side of the upper part of the fixed clamping ring (16) at equal intervals, and the fixed clamping ring (16) is fixed in a clamping groove mode.
5. The air tightness measuring instrument for engine production detection convenient for observation according to claim 1, wherein the longitudinal movement range of the movable top plate (23) is zero to thirty centimeters, the interior of the gas display cylinder (9) is provided with liquid, and the depth of the liquid is two thirds of the height of the inner wall of the gas display cylinder (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811363169.8A CN109297648B (en) | 2018-11-15 | 2018-11-15 | Engine production detects and uses gas tightness measuring instrument convenient to observe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811363169.8A CN109297648B (en) | 2018-11-15 | 2018-11-15 | Engine production detects and uses gas tightness measuring instrument convenient to observe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109297648A CN109297648A (en) | 2019-02-01 |
| CN109297648B true CN109297648B (en) | 2023-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201811363169.8A Active CN109297648B (en) | 2018-11-15 | 2018-11-15 | Engine production detects and uses gas tightness measuring instrument convenient to observe |
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| CN109946021B (en) * | 2019-03-20 | 2021-01-08 | 山东诺扬工程质量检测有限公司 | High-performance sealing material lifting type air tightness detection device |
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| JPH1194679A (en) * | 1997-09-16 | 1999-04-09 | Daiwa Can Co Ltd | Leakage inspection device for container |
| JPH1194681A (en) * | 1997-09-16 | 1999-04-09 | Daiwa Can Co Ltd | Leak inspecting device for container |
| CN104535272A (en) * | 2014-12-16 | 2015-04-22 | 江苏中宏机械制造有限公司 | Bottle bottom airtight device with quickly aligning function |
| KR101521520B1 (en) * | 2013-12-09 | 2015-05-19 | 주식회사 비앤에스조인트 | Expansion joint with improved fluid tightness |
| CN105181266A (en) * | 2015-10-13 | 2015-12-23 | 天津博益气动股份有限公司 | Automatic detection equipment used for airtight performance detection of rim welding line |
| CN107687923A (en) * | 2017-09-15 | 2018-02-13 | 郑州斯倍思机电有限公司 | One kind is used for the airtight performance test bench of crankcase |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20060260713A1 (en) * | 2005-04-22 | 2006-11-23 | Pyszczek Michael F | Method and apparatus for providing a sealed container containing a detectable gas |
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| JPH1194679A (en) * | 1997-09-16 | 1999-04-09 | Daiwa Can Co Ltd | Leakage inspection device for container |
| JPH1194681A (en) * | 1997-09-16 | 1999-04-09 | Daiwa Can Co Ltd | Leak inspecting device for container |
| KR101521520B1 (en) * | 2013-12-09 | 2015-05-19 | 주식회사 비앤에스조인트 | Expansion joint with improved fluid tightness |
| CN104535272A (en) * | 2014-12-16 | 2015-04-22 | 江苏中宏机械制造有限公司 | Bottle bottom airtight device with quickly aligning function |
| CN105181266A (en) * | 2015-10-13 | 2015-12-23 | 天津博益气动股份有限公司 | Automatic detection equipment used for airtight performance detection of rim welding line |
| CN107687923A (en) * | 2017-09-15 | 2018-02-13 | 郑州斯倍思机电有限公司 | One kind is used for the airtight performance test bench of crankcase |
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