CN110529358A - Pressurize decompression two-purpose inflator - Google Patents
Pressurize decompression two-purpose inflator Download PDFInfo
- Publication number
- CN110529358A CN110529358A CN201910905667.9A CN201910905667A CN110529358A CN 110529358 A CN110529358 A CN 110529358A CN 201910905667 A CN201910905667 A CN 201910905667A CN 110529358 A CN110529358 A CN 110529358A
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- Prior art keywords
- gas chamber
- interface
- cavity
- gas
- check valve
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- 230000006837 decompression Effects 0.000 title claims abstract description 38
- 238000009423 ventilation Methods 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 9
- 238000011017 operating method Methods 0.000 description 6
- 238000000354 decomposition reaction Methods 0.000 description 4
- 241000486406 Trachea Species 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B33/00—Pumps actuated by muscle power, e.g. for inflating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/102—Adaptations or arrangements of distribution members the members being disc valves
- F04B39/1026—Adaptations or arrangements of distribution members the members being disc valves without spring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
- F04B49/225—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves with throttling valves or valves varying the pump inlet opening or the outlet opening
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Multiple-Way Valves (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a kind of pressurization decompression two-purpose inflators, comprising: piston is equipped with inside cylinder barrel, cylinder barrel is connected with gas nozzle；Check valve assembly is set in cylinder barrel, cylinder barrel is divided into the first cavity and the second cavity, piston is located in the first cavity, and gas nozzle is connected to the second cavity, and check valve assembly includes breather check valve and exhaust check valve；Gas operated device is set in the second cavity, including the first gas chamber and the second gas chamber, and the first gas chamber and exhaust check valve are tightly connected, and the second gas chamber and breather check valve are tightly connected；Reversing valve assembly is set in the second cavity, for making a gas chamber in the first gas chamber and the second gas chamber be connected to gas nozzle, while another gas chamber in the first gas chamber and the second gas chamber being made to be connected to outside air.Its structure is simple, easy to carry, easy to maintain, at low cost.
Description
Technical field
The invention belongs to real testing equipment fields, more particularly, to a kind of pressurization decompression two-purpose gas for laboratory
Cylinder.
Background technique
It is frequently necessary to carry out the behaviour such as negative pressure leaching, filtering solution in the experiment that the laboratories such as analysis, chemistry, biology carry out
Make.Routine operation needs to carry out using aspiration pump, but is easy to phenomena such as suck-back occurs using aspiration pump during the experiment
Cause instrument failure, dally over one's work, and aspiration pump higher cost, maintenance are cumbersome, and aspiration pump volume itself is larger, is not easy to
It carries.So there is no aspiration pumps in most of laboratory, simultaneously because the reasons such as one-house show are difficult to purchase pressurization pressure regulating equipment,
So can only be pushed and pulled by syringe when carrying out the basic operations such as some decompressions, pressurization, it is inconvenient.
Therefore, expect to research and develop a kind of laboratory decompression two-purpose inflator, can be not only used for conventional vacuum pumping and add
Pressure inflates operation, and structure is simple, easy to carry, easy to maintain, at low cost.
Summary of the invention
The object of the present invention is to provide it is a kind of can be used for conventional vacuum pumping and pressurization inflate operation pressurization decompression two
Use inflator.
To achieve the goals above, the present invention provides a kind of pressurization decompression two-purpose inflator, comprising:
Cylinder barrel, the cylinder barrel inside are equipped with piston, and the cylinder barrel is connected with gas nozzle；
Check valve assembly, the check valve assembly are set in the cylinder barrel, and the cylinder barrel is divided into the first chamber
Body and the second cavity, the piston are located in first cavity, and the gas nozzle is connected to the second cavity, the check valve assembly
Including breather check valve and exhaust check valve, the piston can be unidirectional by the exhaust by the intracorporal gas of the first chamber
Valve discharge sucks outside air in first cavity by the breather check valve；
Gas operated device, the gas operated device are set in second cavity, including the first gas chamber and the second gas chamber, described
First gas chamber and the exhaust check valve are tightly connected, and second gas chamber and the breather check valve are tightly connected；
Reversing valve assembly, the reversing valve assembly are set in second cavity, for making first gas chamber and institute
It states in the second gas chamber gas chamber and is connected to the gas nozzle, while making another in first gas chamber and second gas chamber
A gas chamber is connected to outside air.
Preferably, the reversing valve assembly includes shell, the first Reversing valve plate and the second Reversing valve plate；
The shell is cylindrical shape, and side wall is equipped with first interface to the 6th interface, wherein first interface, second interface and
Third interface is connected to first gas chamber, second gas chamber and the gas nozzle, the 4th interface, the 5th interface and the 6th
Interface is connected to first gas chamber, second gas chamber and outside air；
First Reversing valve plate is cylinder, is rotatablely arranged in the shell and outer surface and the shell
Inner wall fitting, the outer surface of first Reversing valve plate are equipped with the first notch being inwardly recessed；
Second Reversing valve plate is cylinder, is rotatablely arranged in the shell and outer surface and the shell
Inner wall fitting, the outer surface of second Reversing valve plate are equipped with the second notch being inwardly recessed, and second Reversing valve plate passes through
Reversing shaft is fixedly connected on the axial end portion of first Reversing valve plate；
When the reversing shaft turns to first position, the first notch of first Reversing valve plate is respectively with described first
Interface and the third orifice, and the second interface is closed, to make first gas chamber be connected to the gas nozzle, together
Second notch of the second Reversing valve plate of Shi Suoshu with respectively with the 5th interface and the 6th orifice, and close described in
4th interface, so that second gas chamber be made to be connected to outside air；
When the reversing shaft turns to the second position, the second notch of second Reversing valve plate is respectively with the described 4th
Interface and the 6th orifice, and the 5th interface is closed, to make first gas chamber be connected to outside air, together
First notch of the first Reversing valve plate of Shi Suoshu with the second interface and the third orifice, and closes described the respectively
One interface, so that second gas chamber be made to be connected to the gas nozzle.
Preferably, the reversing valve assembly further includes several tracheaes, the tracheae be connected to first gas chamber with
Between the first interface, between first gas chamber and the 4th interface, second gas chamber and the second interface it
Between, between second gas chamber and the 5th interface and between the gas nozzle and the third interface.
Preferably, the reversing valve assembly further includes tap wrench, and the side wall of the cylinder barrel is equipped with handle hole, described to change
The handle hole is stretched out to one end of axis and is connect with the tap wrench.
Preferably, the check valve assembly further includes baffle, and the inner wall of the periphery of the baffle and the cylinder barrel seals
Connection, the baffle interior are equipped with third cavity and the 4th cavity；
The third cavity is connected to first cavity by first through hole, is connected to described second by the second through-hole
Cavity；
4th cavity is connected to first cavity by third through-hole, is connected to described second by fourth hole
Cavity；
The exhaust check valve is set in the third cavity, and the breather check valve is set to the 4th cavity
In.
Preferably, the exhaust check valve includes the first rubber pad and the first convex structure, and first rubber pad can be opened
It is covered in the first through hole with closing, can open under the action of air-flow and close under the action of negative pressure, first convex
Second through-hole described in structural traps, the side of first convex structure are equipped with multiple first ventilations osculums, and the multiple first
Ventilation osculum is connected to second cavity.
Preferably, the breather check valve includes the second rubber pad and the second convex structure, and second rubber pad can be opened
It is covered in the fourth hole with closing, can open under the action of air-flow and close under the action of negative pressure, second convex
Third through-hole described in structural traps, the side of second convex structure are equipped with multiple second ventilations osculums, and the multiple second
Ventilation osculum is connected to first cavity.
Preferably, the gas operated device includes bottom plate and partition, and the bottom plate is equipped with a pair of first stomata and a pair of the
Two stomatas, the pair of first stomata and the pair of second stomata are separated by the partition, the edge of the bottom plate with it is described
The inner wall of cylinder barrel is tightly connected, and to form gas chamber between the bottom plate and the baffle, the partition divides the gas chamber
It is divided into first gas chamber and second gas chamber；
The exhaust check valve and the pair of first stomata are connected to first gas chamber, the breather check valve and institute
A pair of second stomata is stated to be connected to second gas chamber.
It preferably, further include push-pull rod and handle, the periphery of the piston is equipped with sealing rubber strip, and the one of the push-pull rod
End is connected to the piston, and the upper cover that the other end passes through the cylinder barrel is connected to the handle.
It preferably, further include blocker ring, the blocker ring is set in the cylinder barrel, is located at the piston and the list
To between valve module, to prevent check valve assembly described in the piston slap.
The beneficial effects of the present invention are:
As in use, the first gas chamber is connected to gas nozzle using the first reversal valve, utilizing the second commutation in pressurised cylinder
Second gas chamber is connected to by valve with outside air；Gas nozzle is connected to the interface of object to be pressurised later；Piston is pulled, piston is made to exist
It is mobile to one end far from the second cavity in first cavity, make outside air successively through the second reversal valve, the second gas chamber, air inlet list
It is filled in the first cavity to valve；Piston is pushed later, makes piston to close to the movement of one end of the second cavity, in the first cavity
The intracorporal air of first chamber is successively filled in object to be pressurised through exhaust check valve, the first gas chamber, the first reversal valve, gas nozzle.Weight
Pressurization can be completed in multiple above-mentioned steps, and operating method is simple.
As decompression inflator in use, the second gas chamber is connected to gas nozzle using the first reversal valve, the second reversal valve is utilized
First gas chamber is connected to outside air；Gas nozzle is connected to the interface of object to be depressurized later；Piston is pulled, makes piston the
It is mobile to one end far from the second cavity in one cavity, make the gas of interior of articles to be depressurized successively through gas nozzle, the first reversal valve,
Second gas chamber, breather check valve are filled in the first cavity；Piston is pushed later, makes piston in the first cavity to close to the second chamber
One end of body is mobile, and the intracorporal air of the first chamber is made successively to be discharged to air through exhaust check valve, the first gas chamber, the second reversal valve
In.It repeats the above steps and decompression can be completed, operating method is simple.
The pressurization of inflator and the conversion of decompression can be completed by adjustable change valve component, and only need piston in gas
The effect that pressurization, decompression can be realized is moved back and forth in cylinder barrel, simplifies operation, and present apparatus simple structure, it is easy to maintain, just
It is at low cost in carrying.
Other features and advantages of the present invention will then part of the detailed description can be specified.
Detailed description of the invention
Exemplary embodiment of the invention is described in more detail in conjunction with the accompanying drawings, it is of the invention above-mentioned and its
Its purpose, feature and advantage will be apparent, wherein in exemplary embodiment of the invention, identical reference label
Typically represent same parts.
Fig. 1 shows the structural decomposition diagram of pressurization decompression two-purpose inflator according to an embodiment of the invention.
Fig. 2 shows the external structure schematic diagrams of pressurization decompression two-purpose inflator according to an embodiment of the invention.
The STRUCTURE DECOMPOSITION that Fig. 3 shows the reversal valve of pressurization decompression two-purpose inflator according to an embodiment of the invention is shown
It is intended to.
Fig. 4 shows the schematic diagram of the air-suction state of check valve assembly according to an embodiment of the invention.
Fig. 5 shows the schematic diagram of the exhaust condition of check valve assembly according to an embodiment of the invention.
Description of symbols
1, cylinder barrel；2, upper cover；3, hand handle；4, push-pull rod；5, piston；6, sealing rubber strip；7, blocker ring；8, check valve
Component；9, gas operated device；10, tracheae；11, shell；12, the first Reversing valve plate；13, reversing shaft；14, tap wrench；15, gas
Mouth；16, the second Reversing valve plate；17, baffle；18, third cavity；19, the 4th cavity；20, the first rubber pad；21, the first convex
Structure；22, the second rubber pad；23, the second convex structure；24, first through hole；25, the second through-hole；26, third through-hole；27,
Four through-holes；28, circular bulkheads；29, end cap.
Specific embodiment
The preferred embodiment of the present invention is described in more detail below.Although the following describe preferred implementations of the invention
Mode, however, it is to be appreciated that may be realized in various forms the present invention without that should be limited by the embodiments set forth herein.Phase
Instead, these embodiments are provided so that the present invention is more thorough and complete, and can be by the scope of the present invention completely
It is communicated to those skilled in the art.
Pressurization decompression two-purpose inflator according to the present invention, comprising:
Cylinder barrel, cylinder barrel inside are equipped with piston, and cylinder barrel is connected with gas nozzle；
Check valve assembly, check valve assembly are set in cylinder barrel, and cylinder barrel is divided into the first cavity and the second cavity,
Piston is located in the first cavity, and gas nozzle is connected to the second cavity, and check valve assembly includes breather check valve and exhaust check valve, lives
The intracorporal gas of first chamber can be discharged by exhaust check valve or outside air is sucked the by breather check valve by plug
In one cavity；
Gas operated device, gas operated device are set in the second cavity, including the first gas chamber and the second gas chamber, the first gas chamber and row
Gas check valve is tightly connected, and the second gas chamber and breather check valve are tightly connected；
Reversing valve assembly, reversing valve assembly are set in the second cavity, for making one in the first gas chamber and the second gas chamber
A gas chamber is connected to gas nozzle, while another gas chamber in the first gas chamber and the second gas chamber being made to be connected to outside air.
Specifically, in use, the first gas chamber is connected to gas nozzle using the first reversal valve, is utilized as in pressurised cylinder
Second gas chamber is connected to by two reversal valves with outside air；Gas nozzle is connected to the interface of object to be pressurised later；Piston is pulled, is made
Piston is mobile to one end far from the second cavity in the first cavity, make outside air successively through the second reversal valve, the second gas chamber,
Breather check valve is filled in the first cavity；Piston is pushed later, makes piston in the first cavity to one end close to the second cavity
It is mobile, so that the intracorporal air of the first chamber is successively filled with object to be pressurised through exhaust check valve, the first gas chamber, the first reversal valve, gas nozzle
In body.It repeats the above steps and pressurization can be completed, operating method is simple.
As decompression inflator in use, the second gas chamber is connected to gas nozzle using the first reversal valve, the second reversal valve is utilized
First gas chamber is connected to outside air；Gas nozzle is connected to the interface of object to be depressurized later；Piston is pulled, makes piston the
It is mobile to one end far from the second cavity in one cavity, make the gas of interior of articles to be depressurized successively through gas nozzle, the first reversal valve,
Second gas chamber, breather check valve are filled in the first cavity；Piston is pushed later, makes piston in the first cavity to close to the second chamber
One end of body is mobile, and the intracorporal air of the first chamber is made successively to be discharged to air through exhaust check valve, the first gas chamber, the second reversal valve
In.It repeats the above steps and decompression can be completed, operating method is simple.
The pressurization of inflator and the conversion of decompression can be completed by adjustable change valve component, and only need piston in gas
The effect that pressurization, decompression can be realized is moved back and forth in cylinder barrel, simplifies operation, and present apparatus simple structure, it is easy to maintain, just
It is at low cost in carrying.
Preferably, reversing valve assembly includes shell, the first Reversing valve plate and the second Reversing valve plate；
Shell is cylindrical shape, and side wall is equipped with first interface to the 6th interface, wherein first interface, second interface and third
Interface is connected to the first gas chamber, the second gas chamber and gas nozzle, and the 4th interface, the 5th interface and the 6th interface are connected to
One gas chamber, the second gas chamber and outside air；
First Reversing valve plate is cylinder, is rotatablely arranged in shell and outer surface is bonded with the inner wall of shell, the
The outer surface of one Reversing valve plate is equipped with the first notch being inwardly recessed；
Second Reversing valve plate is cylinder, is rotatablely arranged in shell and outer surface is bonded with the inner wall of shell, the
The outer surface of two Reversing valve plates is equipped with the second notch being inwardly recessed, and the second Reversing valve plate is fixedly connected on first by reversing shaft
The axial end portion of Reversing valve plate；
When reversing shaft turns to first position, the first notch of the first Reversing valve plate connects with first interface and third respectively
Mouthful connection, and close second interface so that the first gas chamber be made be connected to gas nozzle, while the second notch of the second Reversing valve plate and dividing
Not with the 5th interface and the 6th orifice, and close the 4th interface, so that the second gas chamber be made to be connected to outside air；
When reversing shaft turns to the second position, the second notch of the second Reversing valve plate connects with the 4th interface and the 6th respectively
Mouth connection, and the 5th interface is closed, to make the first gas chamber be connected to outside air, while the first notch of the first Reversing valve plate
Respectively with second interface and third orifice, and close first interface, so that the second gas chamber be made to be connected to gas nozzle.
Specifically, first interface, second interface and third interface are located on the same circumference of shell, first interface and
The line of two interfaces passes through the center of circle of the circumference, and third interface is located at the perpendicular bisector of the line of first interface and second interface
On；5th interface and the 6th interface are located on another circumference of shell, and the line of the 4th interface and the 5th interface passes through the circle
The center of circle in week, the 6th interface are located on the perpendicular bisector of the line of the 4th interface and the 5th interface；And first interface and the 5th
Interface forms a line in the axial direction, second interface forms a line in the axial direction with the 4th interface, third interface connects with the 6th
Opening's edge axis direction forms a line；So the first position of reversing shaft and the angle of the second position are 90 °.
It is pressurised cylinder when reversing shaft is located at first position；Reversing shaft, which is rotated by 90 °, can be switched to decompression inflator.
Preferably, reversing valve assembly further includes several tracheaes, and tracheae is connected to the first gas chamber and connects with first
Between mouthful, between the first gas chamber and the 4th interface, between the second gas chamber and second interface, between the second gas chamber and the 5th interface and
Between gas nozzle and third interface.
Preferably, reversing valve assembly further includes tap wrench, and the side wall of cylinder barrel is equipped with handle hole, reversing shaft
One end is stretched out handle hole and is connect with tap wrench, convenient for can be manually rotated reversing shaft.
Preferably, check valve assembly further includes baffle, and the periphery of baffle and the inner wall of cylinder barrel are tightly connected, gear
Intralamellar part is equipped with third cavity and the 4th cavity；
Third cavity is connected to the first cavity by first through hole, is connected to the second cavity by the second through-hole；
4th cavity is connected to the first cavity by third through-hole, is connected to the second cavity by fourth hole；
Exhaust check valve is set in third cavity, and breather check valve is set in the 4th cavity.
Preferably, exhaust check valve includes the first rubber pad and the first convex structure, and the first rubber pad is retractable
Ground is covered in first through hole, can open under the action of air-flow and close under the action of negative pressure, and the first convex structure blocks the
Two through-holes, the side of the first convex structure are equipped with multiple first ventilation osculums, and multiple first ventilation osculums are connected to the second cavity.
Preferably, breather check valve includes the second rubber pad and the second convex structure, and the second rubber pad is retractable
Ground is covered in fourth hole, can open under the action of air-flow and close under the action of negative pressure, and the second convex structure blocks the
Three through-holes, the side of the second convex structure are equipped with multiple second ventilation osculums, and multiple second ventilation osculums are connected to the first cavity.
Preferably, gas operated device includes bottom plate and partition, and bottom plate is equipped with a pair of first stomata and a pair second
Stomata, a pair of first stomata and a pair of second stomata are separated by partition, and the edge of bottom plate and the inner wall of cylinder barrel are tightly connected, with
Gas chamber is formed between bottom plate and baffle, gas chamber is divided into the first gas chamber and the second gas chamber by partition；
Exhaust check valve and a pair of first stomata are connected to the first gas chamber, breather check valve and a pair of second stomata and second
Gas chamber connection.
It preferably, further include push-pull rod and handle, the periphery of piston is equipped with sealing rubber strip, one end of push-pull rod
It is connected to piston, the upper cover that the other end passes through cylinder barrel is connected to handle.
Specifically, upper cover is connected through a screw thread with cylinder barrel.
Preferably, further include blocker ring, blocker ring is set in cylinder barrel, be located at piston and check valve assembly it
Between, to prevent piston slap check valve assembly.
Embodiment
Fig. 1 shows the structural decomposition diagram of the pressurization decompression two-purpose inflator according to the present embodiment；Fig. 2 shows bases
The external structure schematic diagram of the pressurization decompression two-purpose inflator of the present embodiment；Fig. 3 is shown according to the pressurization of the present embodiment decompression two
With the structural decomposition diagram of the reversal valve of inflator；Fig. 4 shows the air-suction state of the check valve assembly according to the present embodiment
Schematic diagram；Fig. 5 shows the schematic diagram of the exhaust condition of the check valve assembly according to the present embodiment.
As shown in Figures 1 to 5, the pressurization decompression two-purpose inflator, comprising:
Piston 5 is set in cylinder barrel 1, and the side wall of piston 5 contacted with 1 inner wall of cylinder barrel is equipped with sealing rubber strip 6,
4 one end of push-pull rod is connected to piston 5, and the upper cover 2 that the other end passes through cylinder barrel 1 is connected to handle 3, passes through handle 3 and push-pull rod 4
Piston 5 is able to drive to move back and forth in cylinder barrel 1.
Check valve assembly 8 includes baffle 17, and baffle 17 is set in cylinder barrel 1, and the periphery of baffle 17 is interior with cylinder barrel 1
Wall is tightly connected, and cylinder barrel 1 is divided into the first cavity and the second cavity, piston 5 is located in the first cavity, and gas nozzle 15 is connected to
Second cavity, third cavity 18 and the 4th cavity 19 are equipped with inside baffle 17, and third cavity 18 is connected to by first through hole 24
First cavity is connected to the second cavity by the second through-hole 25；4th cavity 19 is connected to the first cavity by third through-hole 26,
The second cavity is connected to by fourth hole 27；Exhaust check valve is set in third cavity 18, and breather check valve is set to
In four cavitys 19, it is equipped with blocker ring 7 between piston 5 and baffle 17, to prevent piston 5 from hitting check valve assembly 8, passes through handle
3 and push-pull rod 4 moved back and forth in the first cavity with piston 5 can by the intracorporal gas of the first chamber pass through exhaust check valve arrange
It sucks in the first cavity out or by outside air by breather check valve；Wherein, exhaust check valve includes the first rubber pad 20
And first convex structure 21, the first rubber pad 20 can be opened and closed to be covered in first through hole 24, can open under the action of air-flow
And close under the action of negative pressure, the first convex structure 21 blocks the second through-hole 25, and the side of the first convex structure 21 is equipped with multiple
First ventilation osculum, multiple first ventilation osculums are connected to the second cavity；Breather check valve includes the second rubber pad 22 and second
Convex structure 23, the second rubber pad 22 can be opened and closed to be covered in fourth hole 27, can open under the action of air-flow and negative
Pressure effect is lower to close, and the second convex structure 23 blocks third through-hole 26, and it is logical that the side of the second convex structure 23 is equipped with multiple second
Gas osculum, multiple second ventilation osculums are connected to the first cavity.
Gas operated device 9 includes bottom plate and partition, and bottom plate is equipped with a pair of first stomata and a pair of second stomata, a pair first
Stomata and a pair of second stomata are separated by partition, and the edge of bottom plate and the inner wall of cylinder barrel are tightly connected, in bottom plate and baffle
Between form gas chamber, gas chamber is divided into the first gas chamber and the second gas chamber by partition；Exhaust check valve and a pair of first stomata and the
The connection of one gas chamber, breather check valve and a pair of second stomata are connected to the second gas chamber.
Reversing valve assembly includes the second commutation of cylindrical shell 11, the first cylindrical Reversing valve plate 12 and cylinder
The inside of valve block 16, shell 11 is equipped with circular bulkheads 28, and circular bulkheads 28 will be separated into two parts inside shell 11, shell 11
Side wall is equipped with first interface to the 6th interface, and wherein first interface, second interface and third interface are located at circular bulkheads 28
Side and it is connected to the first gas chamber, the second gas chamber and gas nozzle 15, the 4th interface, the 5th interface and the 6th interface are located at circle
The other side of partition 28 and it is connected to the first gas chamber, the second gas chamber and outside air, wherein 29 be the end at 11 both ends of shell
Lid；
First Reversing valve plate 12 and the second Reversing valve plate 16 are coaxial and be rotatablely arranged in shell 11 and be located at
The two sides of circular bulkheads 28, outer surface are bonded with the inner wall of shell 11, and the outer surface of the first Reversing valve plate 12, which is equipped with, to concave
Into the first notch, the outer surface of the second Reversing valve plate 16 is equipped with the second notch being inwardly recessed, and reversing shaft 13 passes axially through
Circular bulkheads 28 are fixedly connected on the first Reversing valve plate 12 and the second Reversing valve plate 16, and stretch out the external connection of shell 11 in valve
Door spanner 14；
When reversing shaft 13 turns to first position, the first notch of the first Reversing valve plate 12 respectively with first interface and
Three orifices, and second interface is closed, to make the first gas chamber be connected to gas nozzle 15, while the second of the second Reversing valve plate 16
Notch with the 5th interface and the 6th orifice, and the 4th interface is closed, so that the second gas chamber and outside air be made to connect respectively
It is logical；When reversing shaft 13 turns to the second position, the second notch of the second Reversing valve plate 16 connects with the 4th interface and the 6th respectively
Mouth connection, and the 5th interface is closed, to make the first gas chamber be connected to outside air, while the first of the first Reversing valve plate 12 lacks
Mouth respectively with second interface and third orifice, and close first interface, so that the second gas chamber be made to be connected to gas nozzle 15；
First interface, second interface and third interface are located on the same circumference of shell 11, and first interface and second connects
The line of mouth passes through the center of circle of the circumference, and third interface is located on the perpendicular bisector of the line of first interface and second interface；
5th interface and the 6th interface are located on another circumference of shell 11, and the line of the 4th interface and the 5th interface passes through the circumference
The center of circle, the 6th interface is located on the perpendicular bisector of the line of the 4th interface and the 5th interface；And first interface connects with the 5th
Opening's edge axis direction forms a line, second interface and the 4th interface form a line in the axial direction, third interface and the 6th interface
It forms a line in the axial direction；So the first position of reversing shaft 13 and the angle of the second position are 90 °, when reversing shaft 13 is located at
It is pressurised cylinder when first position, reversing shaft 13, which is rotated by 90 °, can be switched to decompression inflator.
As in use, the first gas chamber is connected to gas nozzle using the first reversal valve, utilizing the second commutation in pressurised cylinder
Second gas chamber is connected to by valve with outside air；Gas nozzle is connected to the interface of object to be pressurised later；Piston is pulled, piston is made to exist
It is mobile to one end far from the second cavity in first cavity, make outside air successively through the second reversal valve, the second gas chamber, air inlet list
It is filled in the first cavity to valve；Piston is pushed later, makes piston to close to the movement of one end of the second cavity, in the first cavity
The intracorporal air of first chamber is successively filled in object to be pressurised through exhaust check valve, the first gas chamber, the first reversal valve, gas nozzle.Weight
Pressurization can be completed in multiple above-mentioned steps, and operating method is simple.
As decompression inflator in use, the second gas chamber is connected to gas nozzle using the first reversal valve, the second reversal valve is utilized
First gas chamber is connected to outside air；Gas nozzle is connected to the interface of object to be depressurized later；Piston is pulled, makes piston the
It is mobile to one end far from the second cavity in one cavity, make the gas of interior of articles to be depressurized successively through gas nozzle, the first reversal valve,
Second gas chamber, breather check valve are filled in the first cavity；Piston is pushed later, makes piston in the first cavity to close to the second chamber
One end of body is mobile, and the intracorporal air of the first chamber is made successively to be discharged to air through exhaust check valve, the first gas chamber, the second reversal valve
In.It repeats the above steps and decompression can be completed, operating method is simple.
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes are obvious for the those of ordinary skill in art field.
Claims (10)
1. a kind of pressurization decompression two-purpose inflator characterized by comprising
Cylinder barrel, the cylinder barrel inside are equipped with piston, and the cylinder barrel is connected with gas nozzle；
Check valve assembly, the check valve assembly are set in the cylinder barrel, by the cylinder barrel be divided into the first cavity and
Second cavity, the piston are located in first cavity, and the gas nozzle is connected to the second cavity, and the check valve assembly includes
Breather check valve and exhaust check valve, the piston can be arranged the intracorporal gas of the first chamber by the exhaust check valve
It sucks in first cavity out or by outside air by the breather check valve；
Gas operated device, the gas operated device are set in second cavity, including the first gas chamber and the second gas chamber, and described first
Gas chamber and the exhaust check valve are tightly connected, and second gas chamber and the breather check valve are tightly connected；
Reversing valve assembly, the reversing valve assembly are set in second cavity, for making first gas chamber and described
A gas chamber in two gas chambers is connected to the gas nozzle, while making another gas in first gas chamber and second gas chamber
Room is connected to outside air.
2. pressurization decompression two-purpose inflator according to claim 1, which is characterized in that the side wall of second cavity is equipped with
The blow vent being connected to outside air；The reversing valve assembly includes shell, the first Reversing valve plate and the second Reversing valve plate；
The shell is cylindrical shape, and side wall is equipped with first interface to the 6th interface, wherein first interface, second interface and third
Interface is connected to first gas chamber, second gas chamber and the gas nozzle, the 4th interface, the 5th interface and the 6th interface
It is connected to first gas chamber, second gas chamber and the blow vent；
First Reversing valve plate is cylinder, is rotatablely arranged at the inner wall of in the shell and outer surface and the shell
Fitting, the outer surface of first Reversing valve plate are equipped with the first notch being inwardly recessed；
Second Reversing valve plate is cylinder, is rotatablely arranged at the inner wall of in the shell and outer surface and the shell
Fitting, the outer surface of second Reversing valve plate are equipped with the second notch being inwardly recessed, and second Reversing valve plate passes through commutation
Axis is fixedly connected on the axial end portion of first Reversing valve plate；
When the reversing shaft turns to first position, the first notch of first Reversing valve plate respectively with the first interface
With the third orifice, and the second interface is closed, to make first gas chamber be connected to the gas nozzle, while institute
It states the second notch of the second Reversing valve plate and with the 5th interface and the 6th orifice, and closes the described 4th respectively
Interface, so that second gas chamber be made to be connected to the blow vent；
When the reversing shaft turns to the second position, the second notch of second Reversing valve plate respectively with the 4th interface
With the 6th orifice, and the 5th interface is closed, to make first gas chamber be connected to the blow vent, simultaneously
First notch of first Reversing valve plate respectively with the second interface and the third orifice, and close described first
Interface, so that second gas chamber be made to be connected to the gas nozzle.
3. pressurization decompression two-purpose inflator according to claim 2, which is characterized in that the reversing valve assembly further includes first
Tracheae to the 6th tracheae, first tracheae to the 6th tracheae be connected to first gas chamber and the first interface it
Between, between first gas chamber and the 4th interface, between second gas chamber and the second interface, second gas chamber
Between the 5th interface, between the gas nozzle and the third interface, between the blow vent and the 6th interface.
4. pressurization decompression two-purpose inflator according to claim 3, which is characterized in that the reversing valve assembly further includes valve
Spanner, the side wall of the cylinder barrel are equipped with handle hole, and one end of the reversing shaft is stretched out the handle hole and pulled with the valve
Hand connection.
5. pressurization decompression two-purpose inflator according to claim 1, which is characterized in that the check valve assembly further includes gear
The inner wall of plate, the periphery of the baffle and the cylinder barrel is tightly connected, and the baffle interior is equipped with third cavity and the 4th chamber
Body；
The third cavity is connected to first cavity by first through hole, is connected to second chamber by the second through-hole
Body；
4th cavity is connected to first cavity by third through-hole, is connected to second chamber by fourth hole
Body；
The exhaust check valve is set in the third cavity, and the breather check valve is set in the 4th cavity.
6. pressurization decompression two-purpose inflator according to claim 5, which is characterized in that the exhaust check valve includes the first rubber
Rubber mat and the first convex structure, first rubber pad can be opened and closed to be covered in the first through hole, can be in the effect of air-flow
Lower to open and close under the action of negative pressure, first convex structure blocks second through-hole, first convex structure
Side is equipped with multiple first ventilation osculums, and the multiple first ventilation osculum is connected to second cavity.
7. pressurization decompression two-purpose inflator according to claim 5, which is characterized in that the breather check valve includes the second rubber
Rubber mat and the second convex structure, second rubber pad can be opened and closed to be covered in the fourth hole, can be in the effect of air-flow
Lower to open and close under the action of negative pressure, second convex structure blocks the third through-hole, second convex structure
Side is equipped with multiple second ventilation osculums, and the multiple second ventilation osculum is connected to first cavity.
8. pressurization decompression two-purpose inflator according to claim 5, which is characterized in that the gas operated device include bottom plate and every
Plate, the bottom plate are equipped with a pair of first stomata and a pair of second stomata, the pair of first stomata and the pair of second gas
Hole is separated by the partition, and the inner wall of the edge of the bottom plate and the cylinder barrel is tightly connected, with the bottom plate with it is described
Gas chamber is formed between baffle, the gas chamber is divided into first gas chamber and second gas chamber by the partition；
The exhaust check valve and the pair of first stomata are connected to first gas chamber, the breather check valve and described one
Second stomata is connected to second gas chamber.
9. pressurization decompression two-purpose inflator according to claim 1, which is characterized in that it further include push-pull rod and handle, it is described
The periphery of piston is equipped with sealing rubber strip, and one end of the push-pull rod is connected to the piston, and the other end passes through the cylinder barrel
Upper cover be connected to the handle.
10. pressurization decompression two-purpose inflator according to claim 1, which is characterized in that it further include blocker ring, the blocker ring
It is set in the cylinder barrel, it is single described in the piston slap to prevent between the piston and the check valve assembly
To valve module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910905667.9A CN110529358B (en) | 2019-09-24 | 2019-09-24 | Pressure-increasing and pressure-reducing inflator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910905667.9A CN110529358B (en) | 2019-09-24 | 2019-09-24 | Pressure-increasing and pressure-reducing inflator |
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| Publication Number | Publication Date |
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| CN110529358A true CN110529358A (en) | 2019-12-03 |
| CN110529358B CN110529358B (en) | 2024-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910905667.9A Active CN110529358B (en) | 2019-09-24 | 2019-09-24 | Pressure-increasing and pressure-reducing inflator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110886686A (en) * | 2019-12-20 | 2020-03-17 | 嘉善精展五金工具有限公司 | Manual and pneumatic dual-purpose liquid pumping machine |
| CN114852471A (en) * | 2021-01-19 | 2022-08-05 | 珠海市科力通电器有限公司 | Device with air exhaust and air filling functions |
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| US6345958B1 (en) * | 1999-08-08 | 2002-02-12 | Jenn-Tzong Chen | Pressure adjusting device for engine cooling system |
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| CN114852471A (en) * | 2021-01-19 | 2022-08-05 | 珠海市科力通电器有限公司 | Device with air exhaust and air filling functions |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110529358B (en) | 2024-09-24 |
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