WO2018145552A1 - 压差式自动补压气源装置 - Google Patents

压差式自动补压气源装置 Download PDF

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Publication number
WO2018145552A1
WO2018145552A1 PCT/CN2018/072146 CN2018072146W WO2018145552A1 WO 2018145552 A1 WO2018145552 A1 WO 2018145552A1 CN 2018072146 W CN2018072146 W CN 2018072146W WO 2018145552 A1 WO2018145552 A1 WO 2018145552A1
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WO
WIPO (PCT)
Prior art keywords
cylinder
air
piston
exhaust
pressure
Prior art date
Application number
PCT/CN2018/072146
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English (en)
French (fr)
Inventor
周国炳
Original Assignee
周小珣
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Filing date
Publication date
Application filed by 周小珣 filed Critical 周小珣
Publication of WO2018145552A1 publication Critical patent/WO2018145552A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • 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
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/008—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being a fluid transmission link
    • 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
    • F04B39/0005—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 adaptations of pistons
    • 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
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/122—Cylinder block
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/031—Air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/04—Methods for emptying or filling
    • F17C2227/047—Methods for emptying or filling by repeating a process cycle

Definitions

  • the invention relates to the technical field of air compression, in particular to a differential pressure automatic pressure compensation gas source device.
  • Compressed air that is, air compressed by external force.
  • the air is compressible, and the air that is compressed by the air compressor to reduce its volume and increase the pressure is called compressed air.
  • Compressed air is an important source of power. Compared with other energy sources, it has the following obvious characteristics: clear and transparent, convenient to transport, not only will not pollute the environment, destroy nature, reduce the occurrence of smog, and it is safe and harmless, and will not have safety hazards like nuclear energy, even if it leaks It also does not produce nuclear radiation like nuclear energy. It is not afraid of overloading and can work in many adverse environments. The air is everywhere on the ground and is inexhaustible.
  • Air compression is usually performed by compressing the gas through an air compressor and storing it in a pressure tank.
  • a gas pressure tank As a gas source, after connecting the gas outlet end of the gas pressure tank through a pipe, it is convenient to open the valve, however, the gas pressure tank cannot replenish the air by itself, and when the compressed air in the pressure tank is used up or the pressure is insufficient, The air can only be replenished to the equipment in the pressure tank by the air compressor, and most of the air compressors are reciprocating piston type, including the one-way valve and the plunger pump. After the plunger is reciprocally compressed, the pressure increase resistance in the tank is increased. Large, the external force required also increases, so as the air pressure in the pressure tank continues to rise, the air compressor is also very energy-intensive.
  • the inventors have intensively studied and invented a differential pressure type automatic pressure-reducing gas source device, which can automatically replenish air while conveying high-pressure air through a pressure difference, thereby increasing the gas supply time and reducing the cycle of supplementing the compressed air. Reduce energy consumption and be more environmentally friendly.
  • the present invention discloses a differential pressure type automatic pressure-reducing air source device, which comprises a pressure tank, a base, a bracket, a crank slider mechanism, a driving mechanism and an exhausting mechanism, and the tank of the pressure tank
  • the outer wall of the can body is provided with an air outlet and an interface
  • the base is provided with a mounting opening
  • the bottom of the base is mounted with a fixing frame corresponding to the position of the mounting opening
  • the bracket is a gantry structure.
  • the driving mechanism comprises a main cylinder and a balancing cylinder
  • the balancing cylinder device is arranged on the bracket
  • a connecting plate is arranged between the main cylinder
  • the main cylinder comprises a cylinder body, a piston and a piston rod.
  • the cylinder is installed in the installation port, and is provided with a gas pipe between the balance cylinder, the piston is installed in the cylinder body, an air passage is opened on the piston, a check valve is installed in the air passage, and one end of the piston rod is Connecting the piston, the other end of which is fixed on the fixing frame,
  • the exhausting mechanism comprises an exhausting cylinder, a first electromagnetic valve, a second electromagnetic valve, a pipe, a manual valve and a control device
  • the exhausting cylinder comprises an exhausting device a body, an exhaust piston and an exhaust piston rod, the exhaust cylinder body is mounted on an inner wall of the tank body and penetrates with the air outlet nozzle, and an exhaust piston is installed inside the exhaust cylinder, and the exhaust piston is provided with a vent hole.
  • the pipe is installed in the exhaust hole, the second solenoid valve is mounted on the pipe, the exhaust piston rod is mounted on the exhaust piston, and the control device is respectively connected to the first electromagnetic valve and the second electromagnetic valve a first controller and a second controller, the first controller being mounted at one end of the exhaust cylinder, the second controller being mounted at the other end of the exhaust cylinder, the first solenoid valve and the manual
  • the gas valve is respectively mounted on the air outlet nozzle, the crank slider mechanism comprising a slide bar, a slider, a first link, a second link, a third link, a first crank, a second crank and a connecting member,
  • the bottom end of the sliding rod is fixed on the base, the slider is mounted on the sliding rod, and is fixed to the cylinder through the third connecting rod, and one end of the first crank and one end of the second crank are respectively hinged on the sliding a top end of the rod and fixed by a connecting member, the other end of the first crank is connected to the first Hinged at one end, the other end of said first
  • the can body is a cylindrical body with an open bottom, and the outer peripheral ring of the open end is provided with a tenon, and the tenons are provided with a plurality of through holes at equal intervals.
  • a middle portion of the base is provided with a cylindrical protrusion corresponding to the inner diameter of the can body, and the base is provided with a mounting hole corresponding to the through hole, and the center of the base is provided with a mounting opening, and the protrusion is inserted into the can body.
  • a sealing ring is arranged between the base and the tank body, and bolts are installed in the through holes of the mounting hole and the tank body, and the base and the tank body are sealed by a nut.
  • the fixing bracket is provided with a piston rod mounting opening.
  • one end of the piston rod is fixed in the piston rod mounting opening.
  • the pressure tank comprises a sleeve fixed to the base and coaxial with the base, the inner diameter of the sleeve being equal to the outer diameter of the cylinder.
  • the bottom of the bracket is screwed on the protrusion of the base, and the rail of the bracket is mounted with a slide rail.
  • the slide rails are two, and the midpoint of the distance between the two slide rails coincides with the axis of the sleeve.
  • the cylinder is inserted into the sleeve and can slide back and forth along the axial direction of the sleeve.
  • the side walls of the cylinder body respectively have air holes, and the end wall of the cylinder body away from the end of the mounting port is provided with an annular groove.
  • the annular groove has a V-shaped cross section.
  • the piston includes a piston body, a one-way valve, and an elastic member.
  • the piston body is disposed in the cylinder body, and an air passage is axially opened.
  • the inner wall of the air passage is provided with an annular groove, and the one-way valve
  • the elastic element is locked in the annular groove, and one end of the elastic element is fixed in the annular groove, and the one-way valve is fixed to fix the one-way valve.
  • the piston rod is tubular, and one end of the piston rod is fixed on the piston body and is gas-filled. The other end is fixed on the fixed frame and communicates with the outside of the tank. The outside air can enter the air passage through the piston rod and enter the tank through the one-way valve.
  • the master cylinder further includes a pressure cap, a return spring and a pressure cap limiting mechanism, wherein the pressure cap cover is mounted on the top of the cylinder body, and the two ends of the return spring are respectively connected with the bracket and the pressure cap body, the pressure cap The limiting mechanism is clamped on the pressure cap and fixed to the bracket by the connecting rod.
  • the pressure cap comprises a pressure cap body, a first touch switch and a compression spring, wherein the pressure cap body is a cylinder, and a top central position thereof is provided with a blind hole along an axial direction thereof, and a middle portion of the sidewall of the pressure cap body
  • the positioning protrusion is provided with a right-angled triangle
  • the sliding groove is disposed on the sidewall of the pressure cap body, and corresponds to the sliding rail
  • the pressure cap body is mounted on the sliding rail through the sliding slot
  • sliding along the slide rail when it slides to the bottom of the slide rail, the cover is mounted on the top of the cylinder body
  • the bottom edge of the pressure cap body is provided with a wedge-shaped protrusion, the wedge-shaped protrusion and the ring on the cylinder block
  • the slot is correspondingly and adapted
  • the wedge-shaped protrusion is provided with a balance air passage, one end of the balance air passage is disposed on the inner wall of the blind hole, and the first touch switch device is in the blind hole, and
  • the pressure cap limiting mechanism comprises a positioning clamp, a positioning spring and a release plate
  • the positioning clamp is mounted on the pressure cap body, and is fixed to the bracket by a connecting rod
  • the positioning clamp is hinged by the two clamp arms
  • the longer sides of the two caliper arms respectively support the bottom of the positioning protrusion, and one end away from the hinge shaft is provided with a release plate groove
  • the two ends of the positioning spring are respectively connected to the two caliper arms and the hinge axis a proximal end, and both ends are tightened, so that the positioning clamp is clamped on the pressure cap body, the release plate is an isosceles triangle, and the top corner is inserted into the release plate slot from top to bottom, and the release plate is A sliding hole is formed along the symmetry line thereof, and a screw is installed in the sliding hole, and the screw is fixed on the outer wall of the cylinder.
  • the balance cylinder comprises a balance cylinder, a balance piston, a control piston, a gas pipe, a cylinder liner and a connecting plate, wherein a middle portion of the connecting plate is horizontally fixed on the cylinder body, and a cylinder liner is respectively installed at both ends thereof.
  • the cylinder sleeve is cylindrical, and is located on both sides of the cylinder block.
  • the side wall of the cylinder liner is provided with a through hole corresponding to the air hole.
  • the bottom of the cylinder sleeve is provided with a fixed beam, and the length of the fixed beam and the outer diameter of the cylinder sleeve Equally, the balance cylinder is inserted into the cylinder liner, and the side wall is provided with an air inlet hole corresponding to the through hole.
  • the control piston device is disposed at the bottom of the balance cylinder, and the bottom end surface thereof is provided with a fixed ear.
  • the fixing ear is fixed on the fixing beam by bolts, and the balance piston device is in the balance cylinder body, and is fixed on the beam of the bracket through the piston rod, and one end of the air pipe is connected with the air inlet hole, and the other end is worn.
  • the through hole of the cylinder liner communicates with the air hole of the cylinder block.
  • the exhaust cylinder body is cylindrical, one port is welded to the inner wall of the tank body, and the inner wall of the other end is provided with an annular inner ring.
  • the angle between the first crank and the second crank is 90 degrees.
  • first controller of the control device is mounted on the inner bore of the exhaust cylinder block
  • second controller of the control device is mounted on the inner wall of the tank body in the exhaust cylinder block.
  • the invention generates a pressure difference by different areas of different cylinders in the tank body, and adjusts the balance by the crank slider mechanism, so that it can be automatically delivered to the inside while being transported downward to the outside, and the cycle of supplementing the compressed air is reduced from the time of increasing the supply air. Reduce energy consumption and be more environmentally friendly.
  • Figure 1 is a schematic view of the structure of the present invention
  • Figure 2 is a structural view of the pressure tank structure of the present invention.
  • Figure 3 is a schematic view of the main cylinder structure of the present invention.
  • Figure 4 is a structural view of the piston of the master cylinder of the present invention.
  • Figure 5 is a structural view of the balance cylinder of the present invention.
  • Figure 6 is a structural view of the exhaust cylinder of the present invention.
  • Figure 7 is a structural view of the crank slider mechanism of the present invention.
  • Figure 8 is a front view showing the structure of the pressure cap limiting mechanism of the present invention.
  • Figure 9 is a top plan view of the pressure cap limiting mechanism of the present invention.
  • first touch switch 2421. first airway, 2422. first airway, 243. compression spring, 25.Reset spring, 26. Pressure cap limit mechanism, 261. Positioning pliers, 2611. Clamping wall, 2612. Release plate slot, 262. Positioning spring, 263. Release plate, 2631. Slide hole, 3. Balance cylinder, 31 Balance cylinder, 311. intake hole, 32. balance piston, 33. control piston, 331. fixed ear, 34. air pipe, 35. cylinder liner, 351. fixed beam, 36. connecting plate, 4. exhaust cylinder , 41. exhaust cylinder block, 411. inner bore, 42. exhaust piston, 421. exhaust hole, 422. tube , 43. second solenoid valve, 44 exhaust piston rod, 5. first solenoid valve, 6.
  • crank slider mechanism 61. slider, 62. slider, 63. first link, 64. second company Rod, 65. third link, 66. first crank, 67. second crank, 68. connector, 7. manual air valve, 8. controller, 81. first controller, 82. second controller 9, drive mechanism, 10. exhaust mechanism.
  • the present invention discloses a differential pressure type automatic pressure-reducing air source device, which comprises: a pressure tank 1, a master cylinder 2, a balance cylinder 3, an exhaust cylinder 4, a first solenoid valve 5, and a crank slip.
  • the air pressure tank 1 includes a tank body 11, a base 12, a fixing frame 13, a sleeve 14, and a bracket 15, and the tank body 11 is a cylindrical body with an open bottom, on the outer wall thereof.
  • An air outlet 111 and a pressure gauge mounting interface 112 are disposed in communication with the interior of the can body 11.
  • the pressure gauge mounting interface 112 is mounted with a pressure gauge, and the outer peripheral ring of the open end of the can body 11 is provided with a tenon 113. 113 is equally spaced to provide a plurality of through holes 114.
  • the base 12 is provided with a cylindrical protrusion 122 corresponding to the inner diameter of the can body 11.
  • the base 12 is provided with a through hole 114 on the protrusion 113 of the can body 11.
  • the base 12 is provided with a mounting opening 121 at the center thereof, and a fixing bracket 13 is mounted on the bottom of the base 12, and corresponding to the position of the mounting opening 121, the can body 11 is fastened on the base 12, and the bottom of the base 12 is disposed.
  • a bolt is installed in the through hole 114 of the body 11, and the base 12 and the can body 11 are sealed by a nut.
  • the piston rod mounting opening 131 is disposed.
  • the sleeve 14 is fixed on the inner side of the base 12 and coaxial with the base 12.
  • the inner diameter of the sleeve 14 is equal to the diameter of the mounting opening 12.
  • the bracket 15 has a gantry structure and a bottom snail. Mounted on the protrusion 122 of the base 12, the cross member of the bracket 15 is mounted with a slide rail 151, the slide rail 151 is two, and the midpoint of the distance between the two slide rails 151 coincides with the axis of the sleeve 14, and Communicating with the main cylinder 2 through the air pipe 34,
  • the driving device 9 includes a main cylinder 2 including a cylinder block 21, a piston 22, a piston rod 23, and a pressure cap 24, and a balance cylinder 3.
  • the return spring 25 and the pressure cap limiting mechanism 26 are inserted into the sleeve 14 from the mounting opening 121.
  • the cylinder 21 is cylindrical, and the cylinder 21 and the sleeve 14 are sealed.
  • the cylinder 21 is sealed.
  • the outer diameter is equal to that in the sleeve 14, and the main cylinder 21 is axially reciprocally slidable along the sleeve 14.
  • the end wall of the top end of the cylinder 21 in the can body 11 is provided with an annular groove 211, and the annular groove 211 has a cross section. V-shaped, the side wall of the cylinder 21 is respectively opposite with a hole 212, the air hole 212 is always on the side of the piston rod 23 near the base 12, the piston 22 includes a piston body 221, a check valve 222, and an elastic element 223, the piston body 221 is disposed in the cylinder body 21, and an air passage 2211 is axially opened.
  • the inner wall of the air passage 2211 is provided with an annular groove 2212.
  • the one-way valve 222 is disposed in the air passage 2211 to make the outer portion.
  • the air can enter the can body 11, but the gas in the can body 11 cannot reach the outside of the can body 11.
  • the elastic member 223 is snapped into the annular groove 2212, and one end thereof
  • the one-way valve 222 is fixed to reset the one-way valve 222.
  • the piston rod 23 is tubular, the outer diameter is the same as the diameter of the piston rod mounting opening 131, and one end of the piston rod 23 is fixed on the piston body 221 and the air passage. 2211 is connected, and the other end is fixed on the fixing frame 13 and communicates with the outside of the can body 11.
  • the outside air can enter the air channel 2211 through the piston rod 23, and enters the can body 11 through the one-way valve 222, the pressure.
  • the cap 24 includes a cap body 241, a first touch switch 242, and a compression spring 243.
  • the cap body 241 is a cylinder having a blind hole 2411 in a central portion of the top center thereof and a sidewall of the cap body 241.
  • the central portion is provided with a positioning protrusion 2412 and a sliding slot 2415.
  • the positioning protrusion 2412 is a right-angled triangle.
  • the sliding slot 2415 is disposed on the side wall and corresponds to the sliding rail 151.
  • the pressing cap body 241 is installed through the sliding slot 2415.
  • the cover On the slide rail 151, and reciprocally sliding along the slide rail 151, when it slides to the bottom of the slide rail 151, the cover is mounted on the top of the cylinder block 21, and the bottom edge of the cap body 241 is provided with a wedge-shaped projection 2413.
  • the wedge-shaped protrusion 2413 corresponds to and fits the annular groove 211 on the cylinder 21, and is wedge-shaped.
  • a balance air passage 2314 is provided on the opening 2413.
  • the other end of the balance air passage 2314 is disposed on the inner wall of the blind hole 2411.
  • the first touch switch 242 is disposed in the blind hole 2411, and the top portion thereof extends outside the blind hole 2411.
  • the first touch switch 242 is a cylinder having a first air passage 2421 extending through the top and the bottom in the axial direction, and a first air passage 2422 communicating with the first air passage 2421 is opened on the side wall thereof, and The first air passage 2422 corresponds to the balance air passage 2414, and the pressure spring 243 is disposed between the bottom of the first touch switch 242 and the bottom of the blind hole 2411 when the pressure cap 24 is capped on the top of the main cylinder 21.
  • the wedge-shaped protrusion 2413 fits into the annular groove 211 at the top of the cylinder block 21. At this time, the compression spring 243 pushes up the first touch switch 242, so that the height of the first air passage 2422 is higher than that of the balance air passage 2414.
  • the cap limiting mechanism 26 includes a positioning clamp 261, a positioning spring 262 and a release plate 263.
  • the positioning clamp 261 is clamped on the pressure cap body 241 and fixed to the bracket 15 through a connecting rod.
  • the positioning clamp 261 is composed of two clamping arms.
  • the release plate 263 is an isosceles triangle with a top angle from top to bottom.
  • the release plate 263 Inserted in the release plate slot 2612, the release plate 263 is provided with a sliding hole 2631 along its symmetry line, and the sliding hole 2631 is fitted with a screw, and the screw is fixed on the outer wall of the cylinder 21 when the cylinder 2 is When descending to the bottom, the screw slides to the bottom of the sliding hole 2631 at the same time, and the release plate 263 is moved downward, and the release plate 263 is moved downward, and the two clamp arms 2611 of the positioning clamp 261 are opened by the two sides thereof, so that The pressure cap 24 loses its support and is caused to descend along the slide rail 151 by the elasticity of the return spring 25.
  • the release plate 263 loses the pulling force, and the positioning clamp 261 is clamped by the positioning spring 262.
  • the positioning convex is again passed.
  • 2412 is stuck on the two caliper arms 2611 of the positioning tongs 261, so as to reciprocate.
  • the balance cylinder 3 includes a balance cylinder 31, a balance piston 32, a control piston 33, a gas pipe 34, a cylinder liner 35, and a connecting plate 36.
  • the middle portion of the connecting plate 36 is horizontally fixed.
  • the cylinder block 21 is respectively provided with a cylinder sleeve 35 at two ends thereof, and the cylinder sleeve 35 is cylindrical, and is located at two sides of the cylinder block 21, and a through hole corresponding to the air hole 212 is opened on the side wall of the cylinder liner 35.
  • a fixing beam 351 is mounted on the bottom of the cylinder liner 35. The length of the fixing beam 351 is equal to the outer diameter of the cylinder liner 35.
  • the balance cylinder 31 is inserted into the cylinder liner 35, and the side wall is open to the through hole.
  • the control piston 33 is arranged at the bottom of the balance cylinder 31, and the bottom end surface thereof is provided with a fixing ear 331 which is fixed on the fixing beam 351 by bolts, the balance piston
  • the device 32 is disposed in the balance cylinder 31, and is fixed to the beam of the bracket 15 by a piston rod.
  • One end of the air tube 34 communicates with the air inlet hole 311, and the other end passes through the through hole of the cylinder liner 35 and the air hole of the cylinder block 21. 212 is connected to connect the inside of the balance cylinder 3 with the outside air.
  • the exhaust mechanism 10 includes an exhaust cylinder 4, a first solenoid valve 5, a second solenoid valve 43, a pipe 422, a manual valve 7, and a control device 8, the exhaust cylinder 4
  • the exhaust cylinder block 41, the exhaust piston 42, the second solenoid valve 43, and the exhaust piston rod 44 are cylindrical, and one port is welded to the inner wall of the can body 11 at the other end.
  • An annular inner bore 411 is disposed on the inner wall upper ring, and the axis of the exhaust cylinder block 41 coincides with the center of the air outlet of the air outlet 111 in the exhaust cylinder 41, and the exhaust piston 42 is disposed in the exhaust cylinder 41.
  • the exhaust piston 42 is provided with an exhaust hole 421 corresponding to the air outlet 111, and a duct 422 is installed in the exhaust hole 421, and the duct 422 is adjacent to the side of the crank slider structure 6.
  • a second electromagnetic valve 43 is installed, and the second electromagnetic valve 43 is respectively connected to the first control device 81 and the second control device 82, and the control device 8 controls the switches for controlling the first electromagnetic valve 5 and the second electromagnetic valve 43, respectively.
  • An exhaust piston rod 44 is mounted on the exhaust piston 42, and the first electromagnetic valve 5 and the manual air valve 7 are sequentially mounted on the air outlet 111, and Solenoid valve 5 times the outlet nozzle 111 positioned near one end of the tank 11.
  • crank link mechanism 6 is mounted on the base 12, one end of which is connected to the exhaust cylinder 4, and the other end of which is connected to the master cylinder 2.
  • the crank slider mechanism 6 includes a slide bar 61, a slider 62, a first link 63, a second link 64, a third link 65, a first crank 66, a second crank 67, and a connecting member 68,
  • the bottom end of the slide bar 61 is fixed on the protrusion 122 of the base 12, and the slider 62 is mounted on the lower portion of the slide bar 61, and is fixed to the cylinder block 21 of the master cylinder 2 through the third link 65, the first One end of the crank 66 and one end of the second crank 67 are respectively hinged at the top end of the slide bar 61.
  • the first crank 66 and the second crank 67 are at an angle of 90 degrees, and are fixed by a connecting member 68.
  • the first crank 66 is additionally One end is hinged to one end of the first link 63, the other end of the first link 63 is hinged on the slider 62, and the other end of the second crank 67 is hinged with the second link 64, the second link 64 The other end is hinged to the exhaust piston rod 44.
  • the control device 8 includes a first control device 81 and a second control device 82 mounted on the inner bore 411 of the exhaust cylinder block 41 and respectively associated with the first solenoid valve 5 and the second electromagnetic The valve 43 is connected.
  • the first control device 81 controls the first solenoid valve 5 to open and controls the second solenoid valve 43 to close
  • the second control device 82 is mounted on the exhaust cylinder block.
  • the inner wall of the can body 11 in the 411 is connected to the first electromagnetic valve 5 and the second electromagnetic valve 43, respectively, and when the exhaust piston 42 is in contact with the inner wall of the can body 11, the second control device 82 controls the first electromagnetic valve 5
  • the second solenoid valve 43 is closed and controlled to open.
  • the manual valve 7 When the invention is required to be used as a gas source, the manual valve 7 is closed, the first electromagnetic valve 5 is opened, and the second electromagnetic valve 43 is opened, so that the gas in the air pressure tank 1 cannot be discharged from the air outlet 111, and then installed through a pressure gauge.
  • the interface 112 fills the pressure tank 1 with compressed air until the specified pressure is reached in the pressure tank 1.
  • the manual valve 7 is opened, and the pneumatic tank 1 starts to release pressure.
  • the second solenoid valve 43 is closed by the first controller 81, the first electromagnetic valve 5 is opened, and the pressure in the cylinder block 41 is exhausted. The pressure difference is generated on both sides of the exhaust piston 42.
  • the high pressure gas in the tank 11 pushes the exhaust piston 42 to move to the inner wall of the can body 11.
  • the second touch is made.
  • the controller 82 controls the first electromagnetic valve 5 to be closed, the second touch solenoid valve 43 to be opened, and the exhaust piston 42 is balanced on both sides by the pipe 422 on both sides, and at the same time, the exhaust piston 42 is at When the compression movement is performed (the exhaust piston 42 moves toward the air outlet 111 to be a compression movement), the second crank 67 drives the second crank 67 to rotate, and the second crank 67 drives the first crank 66 to rotate, and the first crank 66 passes.
  • the first link 63 pushes the slider 62 to slide downward, and the slider 62 drives the cylinder 21 to move downward through the third link 65, so that the top of the cylinder 21 corresponds to the position of the piston 22, at this time, due to the exhaust piston 42.
  • the pressure on both sides is equal, and therefore, the pressure supplied to the cylinder 21 cannot be supplied through the crank slide mechanism 6.
  • the inside of the two balance cylinders 3 communicates with the outside through the air pipe 34, the internal pressure thereof is much smaller than the pressure outside the balance cylinder 3, and therefore, the pressure in the can body 11 acts on the control piston 33 at the bottom of the balance cylinder 31.
  • the upper balance cylinder 31 and the connecting plate 36 are moved upward by the cylinder sleeve 35, and the connecting plate 36 exerts an upward force on the cylinder 21, since the area of the two control pistons 33 is larger than the force receiving area of the cylinder 21. Therefore, the downward pressure of the cylinder 21 is smaller than the upward force applied by the connecting plate 36. Therefore, the cylinder 21 is moved upward by the connecting plate 36. At this time, the pressure in the cylinder 21 is reduced and less than the external pressure.
  • the cylinder 21 drives the exhaust piston 42 to perform the return movement by the crank slide mechanism 6 (the exhaust piston 42 moves to the inner stroke 411 direction for the return movement), because the second electromagnetic valve 43 is in the open state.
  • the exhaust piston 42 moves back, the pressure on both sides thereof is always balanced, and no pressure difference is generated.
  • the pressure cap 24 touches the beam of the bracket 15, the exhaust piston 42 simultaneously reaches the exhaust cylinder 41.
  • the exhaust piston 42 touches the first controller 81, the first controller 81 controls the second solenoid valve 43 and the first solenoid valve 5, the second solenoid valve 43 is closed, and the first solenoid valve 5 is opened.
  • the pressure in the exhaust cylinder 4 is lowered, thereby forming a pressure difference on both sides of the exhaust piston 42, and the force generated under the pressure difference pushes the exhaust piston 42 to compress, since the area of the two control pistons 33 is smaller than the cylinder 21 and the row
  • the sum of the force receiving areas of the gas pistons 42 is such that the downward pressure of the cylinder block 21 is greater than the force exerted by the balancing cylinder 3 on the upward direction of the main cylinder 2 through the connecting plate 36, and the main cylinder 2 and the balancing cylinder 3 are moved downward, so that the cycle is repeated Until the pressure is not enough to drive the cylinder So far.
  • the invention generates a pressure difference by different areas of different cylinders in the tank body, and adjusts the balance by the crank slider mechanism, so that it can be automatically delivered to the inside while being transported downward to the outside, and the cycle of supplementing the compressed air is reduced from the time of increasing the supply air. Reduce energy consumption and be more environmentally friendly.

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Abstract

一种压差式自动补压气源装置，包括气压罐(1)、主气缸(2)、平衡气缸(3)、排气气缸(4)、电磁阀(5, 43)、曲柄滑杆机构(6)、手动阀(7)和控制器(81, 82)，所述主气缸安装在气压罐内，其底部与气压罐外部连通，主气缸的活塞(22)通过固定架(13)固装在缸体(21)内，活塞上安装有单向阀(222)，且活塞通过管状的活塞杆(23)与外部连通；所述平衡气缸通过支架(15)安装在主气缸的两侧，且平衡气缸内部与主气缸内部连通，所述排气气缸安装在气压罐的内壁上，所述曲柄滑杆机构安装在气压罐底部，其一端与排气气缸连接，另一端与主气缸连接；通过罐体内不同气缸的面积不同产生压差，自动向内部补充空气，从而提高供气时间，降低补充压缩空气的周期，减少能源的消耗，更加环保。

Description

压差式自动补压气源装置 技术领域
本发明涉及一种空气压缩技术领域，特别是一种压差式自动补压气源装置。
背景技术
压缩空气，即被外力压缩的空气。空气具有可压缩性，经空气压缩机做机械功使本身体积缩小、压力提高后的空气叫压缩空气。压缩空气是一种重要的动力源。与其它能源比，它具有下列明显的特点：清晰透明，输送方便，不仅不会污染环境、破坏大自然，减少雾霾的产生，而且，安全无害，不会像核能有安全隐患，即便泄露也不会像核能一样产生核辐射，不怕超负荷，能在许多不利环境下工作，空气在地面上到处都有，取之不尽。
空气压缩通常是通过空气压缩机将气体压缩后储存在气压罐中。需要使用气压罐做气源时，通过管道连接气压罐的出气端后，打开阀门即可使用，十分方便，然而，气压罐无法自行补充空气，气压罐中的压缩空气用尽或压力不足时，只能通过空气压缩机将空气重新补充到气压罐中的设备，而大多数空气压缩机是往复活塞式，包括单向阀及柱塞泵，柱塞往复压缩后，罐内压力升高阻力加大，需要的外力作用也随之加大，因此，随着气压罐中的气压不断升高，空气压缩机也十分耗能。
从流体静力学中物体在密封流体罐中，不论压力的升降，只要物体完全浸没在流体罐中，其各个方向上的压强均大小均相同，因此，根据压力与压强的关系公式F＝s·p可知，其各个方向的压力合力始保持着相等的力在相互作用着。力的相互平衡也就使物体始终处于静止状态，当受外力作用而发生运动时，即沿受力方向移动与罐内原始流体压力无关。欲避开运动时产生的阻力，只有在压力中求得平衡。
因此，发明人潜心研究，发明了一种压差式自动补压气源装置，其可以通过压力差在输送高压空气的同时，自动补充空气，从而提高供气时间，降低补充压缩空气的周期，减少能源的消耗，更加环保。
发明内容
为了解决上述技术问题，本发明公开了一种压差式自动补压气源装置，它包括气压罐、底座、支架、曲柄滑杆机构、驱动机构和排气机构，所述气压罐的罐体扣装在底座上，所述罐体的外壁上设置有出气嘴和接口，所述底座上开设有安装口，底座底部安装有固定架且与安装口位置相对应，所述支架为龙门结构，其安装在底座上，所述驱动机构包括主气缸和平衡气缸，所述平衡气缸装置在支架上，且与主气缸之间设有连接板，所述主气缸包括缸体、活塞和活塞杆，所述缸体安装在安装口内，其与平衡气缸之间设有气管，所述活塞安装在缸体内，活塞上开设有气道，所述气道内安装有单向阀，所述活塞杆一端连接活塞，其另一端固装在固定架上，所述排气机构包括排气气缸、第一电磁阀、第二电磁阀、管道、手动阀和控制装置，所述排气气缸包括排气缸体、排气活塞和排气活塞杆，所述排气缸体安装在罐体的内壁上并与出气嘴贯通，其内部安装有排气活塞，所述排气活塞上开设有排气孔，所述管道安装在排气孔内，所述第二电磁阀安装在管道上，所述排气活塞杆安装在排气活塞 上，所述控制装置分别与第一电磁阀和第二电磁阀连接，其包括第一控制器和第二控制器，所述第一控制器安装在排气气缸的一端，所述第二控制器安装在排气气缸的另一端，所述第一电磁阀和手动气阀分别安装在出气嘴上，所述曲柄滑杆机构包括滑杆、滑块、第一连杆、第二连杆、第三连杆、第一曲柄、第二曲柄和连接件，所述滑杆底端固装在底座上，所述滑块安装在滑杆上，并通过第三连杆与缸体固接，所述第一曲柄的一端和第二曲柄的一端分别铰装在滑杆的顶端，并通过连接件固定，所述第一曲柄另一端与第一连杆一端铰接，所述第一连杆另一端铰装在滑块上，所述第二曲柄另一端与第二连杆铰接，所述第二连杆另一端与排气活塞杆铰接。
进一步的，所述罐体为底部敞口的圆柱体，其敞口端的外周环设有凸檐，所述凸檐上等间距设置有若干通孔。
进一步的，所述底座中部设置有与罐体内径相适配的圆柱体凸起，底座上设置有与通孔相对应的安装孔，底座中心设置有安装口，凸起插装在罐体内，且底座与罐体间设置有密封圈，安装孔与罐体的通孔内安装有螺栓，并通过螺母将底座与罐体间密封。
进一步的，所述固定架上设置有活塞杆安装口。
进一步的，所述活塞杆的一端固装在活塞杆安装口内。
进一步的，所述气压罐包括套筒，所述套筒固装在底座上，且与底座共轴线，套筒的内径与缸体的外径相等。
进一步的，所述支架底部螺装在底座的凸起上，所述支架的横梁上安装有滑轨，所述滑轨为两条，两条滑轨距离的中点与套筒的轴线重合。
进一步的，所述缸体插装在套筒内，且可沿套筒轴向往复滑动，缸体的侧壁上分别对开有气孔，缸体远离安装口一端的端壁上设置有环形槽，所述环形槽截面为V字型。
进一步的，所述活塞包括活塞本体、单向阀、弹性元件，所述活塞本体装置在缸体内，其轴向开设有气道，气道内壁上环设有环形槽，所述单向阀装置在气道内，所述弹性元件卡装在环形槽内，其一端与单向阀固接，使单向阀复位，所述活塞杆为管状，其一端固装在活塞本体上，并与气道连通，另一端固装在固定架上，并与罐体外部连通，外部空气可以通过活塞杆进入气道内，并通过单向阀进入到罐体内。
进一步的，所述主气缸还包括压帽、复位弹簧和压帽限位机构所述压帽盖装在缸体顶部，所述复位弹簧两端分别与支架和压帽本体连接，所述压帽限位机构夹装在压帽上，并通过连杆与支架固接。
进一步的，所述压帽包括压帽本体、第一触碰开关和压簧，所述压帽本体为圆柱体，其顶部中心位置沿其轴向开设有盲孔，压帽本体侧壁的中部设置有定位凸起和滑槽，所述定位凸起为直角三角形，所述滑槽设置在压帽本体的侧壁上，并与滑轨相对应，压帽本体通过滑槽安装在滑轨上，并可沿滑轨往复滑动，当其滑动至滑轨最下方时，盖装在缸体的顶部，压帽本体的底部边缘设置有楔形凸起，所述楔形凸起与缸体上的环形槽相对应且相适配，楔形凸起上开设有平衡气道，所述平衡气道的一端设置在盲孔的内壁上，所述第一触碰开关装置在盲孔内，其顶部延伸至盲孔外，第一触碰开关为圆柱体，其沿轴向开设有贯穿顶部和底部的第一气道，其侧壁上开设有与第一气道连通的第一支气道，且所述第一支气道与平衡气道相对应，所述压簧装置在第一触碰开关底部与盲孔底部之间，其两端分别与第一触碰开关和盲孔相连接。
进一步的，所述压帽限位机构包括定位钳、定位弹簧和释放板，所述定位钳夹装在压帽本体上，并通过连杆与支架固接，定位钳由两个钳臂铰装而成，两个钳臂较长的一侧分别支抵在定位凸起的底部，且远离铰接轴的一端开设有释放板槽，所述定位弹簧两端分别连接在两个钳臂距离铰接轴较近的一端，并两端拉紧，从而使定位钳夹紧在压帽本体上，所述释放板为等腰三角形，其顶角自上而下插装在释放板槽内，释放板上沿其对称线开设有滑孔，所述滑孔内安装有螺钉，所述螺钉固装在缸体的外壁上。
进一步的，所述平衡气缸包括平衡缸体、平衡活塞、控制活塞、气管、气缸套和连接板，所述连接板的中部水平固装在缸体上，其两端分别安装有气缸套，所述气缸套为筒状，其位于缸体的两侧，气缸套侧壁上开设有与气孔相对应的通孔，气缸套底部安装有固定梁，所述固定梁的长度与气缸套的外径相等，所述平衡缸体插装在气缸套内，其侧壁上开设有与通孔相对应的进气孔，所述控制活塞装置在平衡缸体的底部，其底端面上设置有固定耳，所述固定耳通过螺栓固装在固定梁上，所述平衡活塞装置在平衡缸体内，其通过活塞杆固装在支架的横梁上，所述气管一端与进气孔连通，另一端穿过气缸套的通孔与缸体的气孔连通。
进一步的，所述排气缸体为筒状，其一端口焊接在罐体的内壁上，另一端的内壁上环设有环形内檐。
进一步的，第一曲柄与第二曲柄夹角为90度。
进一步的，所述控制装置的第一控制器安装在排气缸体的内檐上，控制装置的第二控制器安装在排气缸体内的罐体内壁上。
本发明通过罐体内不同气缸的面积不同产生压差，通过曲柄滑杆机构调节平衡，使其可以下向外界输送的同时，自动向内部补充空气，从提高供气时间，降低补充压缩空气的周期，减少能源的消耗，更加环保。
附图说明
图1是本发明结构示意图；
图2是本发明气压罐构结构意图；
图3是本发明主气缸结构意图；
图4是本发明主气缸的活塞的结构意图；
图5是本发明平衡气缸结构意图；
图6是本发明排气气缸结构意图；
图7是本发明曲柄滑杆机构结构意图；
图8是本发明压帽限位机构主视结构示意图；
图9是本发明压帽限位机构俯视结构示意图；
图例：1.气压罐，11.罐体，111.出气嘴，112.压力表安装接口，113.凸檐，114.通孔，115.安装孔，12.底座，121.安装口，122.凸起，13.固定架，131.活塞杆安装口，14.套筒，15.支架，151.滑轨，2.主气缸，21.缸体，211.环形槽，212.气孔，22.活塞，221.活塞本体，2211.气道，2212.环形槽，222.单向阀，223.弹性元件，23.活塞杆，24.压帽，241.压帽本体，2411.盲孔，2412.定位凸起，2413.楔形凸起，2414.平衡气道，2415.滑槽，242.第一触碰开关，2421.第一气道，2422.第一支气道，243.压簧，25.复位弹簧，26.压帽限位机构，261.定位 钳，2611.钳壁，2612.释放板槽，262.定位弹簧，263.释放板，2631.滑孔，3.平衡气缸，31.平衡缸体，311.进气孔，32.平衡活塞，33.控制活塞，331.固定耳，34.气管，35.气缸套，351.固定梁，36.连接板，4.排气气缸，41.排气缸体，411.内檐，42.排气活塞，421.排气孔，422.管道，43.第二电磁阀，44排气活塞杆，5.第一电磁阀，6.曲柄滑杆机构，61.滑杆，62.滑块，63.第一连杆，64.第二连杆，65.第三连杆，66.第一曲柄，67.第二曲柄，68.连接件，7.手动气阀，8.控制器，81.第一控制器，82.第二控制器，9.驱动机构，10.排气机构。
具体实施方式
下面结合实施例对本发明做进一步说明，但不局限于说明书上的内容。
如图1所示，本发明公开了一种压差式自动补压气源装置，其包括：气压罐1、主气缸2、平衡气缸3、排气气缸4、第一电磁阀5、曲柄滑杆机构6、手动阀7、控制装置8、驱动机构9和排气机构10。
如图1和图2所示，所述气压罐1包括：罐体11、底座12、固定架13、套筒14和支架15，所述罐体11为底部敞口的圆柱体，其外壁上设置有与罐体11内部连通的出气嘴111和压力表安装接口112，所述压力表安装接口112上安装有压力表，罐体11敞口端的外周环设有凸檐113，所述凸檐113上等间距设置有若干通孔114，所述底座12中部设置有与罐体11内径相适配的圆柱体凸起122，底座12上设置有与罐体11凸檐113上通孔114相对应的安装孔115，底座12中心设置有安装口121，所述底座12底部安装有固定架13，且与安装口121所在位置相对应，罐体11扣装在底座12上，底座12中部设置有与罐体11内径相适配的圆柱体凸起122，所述凸起122插装在罐体11内，且底座12与罐体11间设置有密封圈，底座12的安装孔115与罐体11的通孔114内安装有螺栓，并通过螺母将底座12与罐体11间密封，所述固定架13上设置有活塞杆安装口131，所述套筒14固装在底座12内侧，且与底座12共轴线，套筒14的内径与安装口12直径相等，所述支架15为龙门结构，其底部螺装在底座12的凸起122上，所述支架15的横梁上安装有滑轨151，所述滑轨151为两条，两条滑轨151距离的中点与套筒14的轴线重合，并通过气管34与主气缸2连通，
如图1、图3、图4以及图8、图9所示，驱动装置9包括主气缸2和平衡气缸3，所述主气缸2包括缸体21、活塞22、活塞杆23、压帽24、复位弹簧25和压帽限位机构26，所述缸体21自安装口121插装在套筒14内，缸体21为圆筒状，缸体21与套筒14间密封，缸体21外径与套筒14内经相等，且主气缸21可沿套筒14轴向往复滑动，缸体21位于罐体11内的顶端的端壁上设置有环形槽211，所述环形槽211截面为V字型，缸体21的侧壁上分别对开有气孔212，所述气孔212始终处于活塞杆23靠近底座12的一侧，所述活塞22包括活塞本体221、单向阀222、弹性元件223，所述活塞本体221装置在缸体21内，其轴向开设有气道2211，气道2211内壁上环设有环形槽2212，所述单向阀222装置在气道2211内，使外部空气可以进入罐体11内，但罐体11内的气体无法到罐体11外部，所述弹性元件223卡装在环形槽2212内，其一端与单向阀222固接，使单向阀222复位，所述活塞杆23为管状，其外径与活塞杆安装口131直径相同，活塞杆23一端固装在活塞本体221上，并与气道2211连通，另一端固装在固定架13上，并与罐体11外部连通，外部空气可以通过活塞杆23进入气道2211内，并通过单向阀222进入到罐体11内，所述压帽24包括压帽本体241、第一触碰开关242、压簧243，所述压帽本体241为圆柱体，其顶部中心位置沿其轴向开设有盲孔2411，压帽本体241侧壁的中部设置有定位凸起 2412和滑槽2415，所述定位凸起2412为直角三角形，所述滑槽2415设置在侧壁上，并与滑轨151相对应，压帽本体241通过滑槽2415安装在滑轨151上，并可沿滑轨151往复滑动，当其滑动至滑轨151最下方时，盖装在缸体21的顶部，压帽本体241的底部边缘设置有楔形凸起2413，所述楔形凸起2413与缸体21上的环形槽211相对应且相适配，楔形凸起2413上开设有平衡气道2314，所述平衡气道2314另一端设置在盲孔2411的内壁上，所述第一触碰开关242装置在盲孔2411内，其顶部延伸至盲孔2411外，第一触碰开关242为圆柱体，其沿轴向开设有贯穿顶部和底部的第一气道2421，其侧壁上开设有与第一气道2421连通的第一支气道2422，且所述第一支气道2422与平衡气道2414相对应，所述压簧243装置在第一触碰开关242底部与盲孔2411底部之间，当压帽24盖装在主气缸21顶部时，其楔形凸起2413契合在缸体21顶部的环形槽211内，此时，压簧243将第一触碰开关242顶起，使第一支气道2422的高度高于平衡气道2414的高度，当压帽24上升到顶端时，第一触碰开关242顶在支架15的横梁上，从而使第一触碰开关242克服压簧243的弹力向下运动，直到其第一支气道2422与平衡气道2414连通，所述复位弹簧25安装在支架15与压帽本体241之间，所述压帽限位机构26包括定位钳261、定位弹簧262和释放板263，所述定位钳261夹装在压帽本体241上，并通过连杆与支架15固接，定位钳261由两个钳臂2611铰装而成，两个钳臂2611较长的一侧分别支抵在定位凸起2412的底部，且远离铰接轴的一端开设有释放板槽2612，所述定位弹簧262两端分别连接在两个钳臂2611距离铰接轴较近的一端，并两端拉紧，从而使定位钳261夹紧在压帽本体241上，所述释放板263为等腰三角形，其顶角自上而下插装在释放板槽2612内，释放板263上沿其对称线开设有滑孔2631，所述滑孔2631内安装有螺钉，所述螺钉固装在缸体21的外壁上，当缸体2下降至底部时，螺钉同时滑动至滑孔2631底部，并带动释放板263向下运动，释放板263向下运动的同时，通过其两侧边将定位钳261的两钳臂2611撑开，使压帽24失去支撑，并通过复位弹簧25的弹性使其沿滑轨151下行直至扣装在缸体21的顶部，当缸体21上升时，释放板263失去拉力，定位钳261通过定位弹簧262夹紧，当压帽24进入两钳臂2611件间时，再次通过定位凸起2412卡在定位钳261的两钳臂2611上，如此往复。
如图1和图5所示，所述平衡气缸3包括平衡缸体31、平衡活塞32、控制活塞33、气管34、气缸套35和连接板36，所述连接板36的中部水平固装在缸体21上，其两端分别安装有气缸套35，所述气缸套35为筒状，其位于缸体21的两侧，气缸套35侧壁上开设有与气孔212相对应的通孔，气缸套35底部安装有固定梁351，所述固定梁351的长度与气缸套35的外径相等，所述平衡缸体31插装在气缸套35内，其侧壁上开设有与通孔相对应的进气孔311，所述控制活塞33装置在平衡缸体31的底部，其底端面上设置有固定耳331，所述固定耳331通过螺栓固装在固定梁351上，所述平衡活塞32装置在平衡缸体31内，其通过活塞杆固装在支架15的横梁上，所述气管34一端与进气孔311连通，另一端穿过气缸套35的通孔与缸体21的气孔212连通，使平衡气缸3内部与外界空气连通。
如图1和图6所示，所述排气机构10包括排气气缸4、第一电磁阀5、第二电磁阀43、管道422、手动阀7和控制装置8，所述排气气缸4包括排气缸体41、排气活塞42、第二电磁阀43和排气活塞杆44，所述排气缸体41为筒状，其一端口焊接在罐体11的内壁上，另一端的内壁上环设有环形内檐411，且排气缸体41的轴线与出气嘴111在排气缸体41内的出气口圆心重合，所述排气活塞42装置在排气缸体41内，排气活塞42上开设有排气孔421，所述排气孔421与出气嘴111相对应，所述排气孔421内安装有管道422，所述管道422靠近曲柄滑杆结构 6的一侧安装有第二电磁阀43，所述第二电磁阀43分别与第一控制装置81和第二控制装置82连接，控制装置8分别控制控制第一电磁阀5和第二电磁阀43的开关，排气活塞42上安装有排气活塞杆44，所述第一电磁阀5和手动气阀7依次安装在出气嘴111上，且第一次电磁阀5位于出气嘴111靠近罐体11的一端。
如图1和图7所示，所述曲柄连杆机构6安装在底座12上，其一端与排气气缸4连接，另一端与主气缸2连接。所述曲柄滑杆机构6包括滑杆61、滑块62、第一连杆63、第二连杆64、第三连杆65、第一曲柄66、第二曲柄67和连接件68，所述滑杆61底端固装在底座12的凸起122上，所述滑块62安装在滑杆61下部，并通过第三连杆65与主气缸2的缸体21固接，所述第一曲柄66的一端和第二曲柄67的一端分别铰装在滑杆61的顶端，第一曲柄66与第二曲柄67夹角为90度，并通过连接件68固定，所述第一曲柄66另一端与第一连杆63一端铰接，所述第一连杆63另一端铰装在滑块62上，所述第二曲柄67另一端与第二连杆64铰接，所述第二连杆64另一端与排气活塞杆44铰接。
所述控制装置8包括第一控制装置81和第二控制装置82，所述第一控制装置81安装在排气缸体41的内檐411上，并分别与第一电磁阀5和第二电磁阀43连接，当排气活塞42与内檐411接触时，第一控制装置81控制第一电磁阀5开启且控制第二电磁阀43关闭，所述第二控制装置82安装在排气缸体411内的罐体11内壁上，并分别于与第一电磁阀5和第二电磁阀43连接，当排气活塞42与罐体11内壁接触时，第二控制装置82控制第一电磁阀5关闭且控制第二电磁阀43开启。
本发明工作原理如下：
当需要使用本发明作为气源时，先将手动阀7关闭、第一电磁阀5开启、第二电磁阀43开启，使气压罐1内的气体无法从出气嘴111排出，再通过压力表安装接口112向气压罐1内填充压缩空气，直到气压罐1内达到指定压力。当充压结束后，打开手动阀7，气压罐1开始泄压，此时，通过第一控制器81控制第二电磁阀43关闭、第一电磁阀5开启，排气缸体41内的压力减小，排气活塞42两侧产生压力差，罐体11内的高压气体推动排气活塞42向罐体11的内壁运动，当排气活塞42贴紧罐体11内壁时，触碰第二控制器82，第二触碰器82控制第一电磁阀5关闭、第二触碰电磁阀43开启，排气活塞42两边通过管道422使其两侧压力平衡，同时，在排气活塞42在做压缩移动时(排气活塞42向出气嘴111方向移动为压缩移动)，其通过第二连杆64带动第二曲柄67转动，第二曲柄67带动第一曲柄66转动，第一曲柄66通过第一连杆63推动滑块62向下滑动，滑块62通过第三连杆65带动缸体21向下运动，使缸体21顶部与活塞22位置相对应，此时，由于排气活塞42的两侧压力相等，因此，无法通过曲柄滑盖机构6提供给缸体21压力，而此时，由于两个平衡气缸3内部通过气管34与外部连通，其内部压力远远小于平衡气缸3外部的压力，因此，罐体11内的压力作用在平衡缸体31底部的控制活塞33上，使其通过气缸套35带动平衡缸体31和连接板36向上运动，连接板36在缸体21上施加向上的作用力，由于两个控制活塞33的面积大于缸体21的受力面积，因此缸体21向下的压力小于连接板36施加的向上的作用力，因此，缸体21在连接板36的带动下向上运动，此时，缸体21内压力减小，且小于外部压力，从而使单向阀222打开，外部气体通过活塞杆23经气道2211进入到缸体21内，当缸体21上升到一定高度时，压帽24顶部的第一触碰开关242与支架15的横梁碰撞，使其第一支气道2321与平衡气道2414连通，从而使缸体21与压帽24分离，将吸入缸体21内的外部空气与罐体11内的空气相互融合，从而达到补充压力的目的，在缸 体21上升过程中，缸体21通过曲柄滑杆机构6带动排气活塞42做回程移动(排气活塞42往内檐411方向移动为回程移动)时，由于第二电磁阀43处于开启状态，因此，当排气活塞42回程运动时，其两侧压力始终保持平衡状态，不产生压差，压帽24触碰到支架15的横梁时，排气活塞42同时到达排气缸体41的另一端，排气活塞42触碰第一控制器81，第一控制器81控制第二电磁阀43和第一电磁阀5，使第二电磁阀43关闭、第一电磁阀5开启，此时排气气缸4内的压力下降，从而在排气活塞42两侧形成压力差，压力差下产生的作用力，推动排气活塞42压缩，由于两个控制活塞33的面积小于缸体21和排气活塞42的受力面积之和，因此缸体21向下的压力大于平衡气缸3通过连接板36施加在主气缸2向上的作用力，主气缸2和平衡气缸3向下移动，如此循环往复，直到压力不足以带动气缸运动为止。
本发明通过罐体内不同气缸的面积不同产生压差，通过曲柄滑杆机构调节平衡，使其可以下向外界输送的同时，自动向内部补充空气，从提高供气时间，降低补充压缩空气的周期，减少能源的消耗，更加环保。
显然，本发明的上述实施方式仅仅是为清楚地说明本发明所作的举例，而并非是对本发明的实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无法对所有的实施方式予以穷举。凡是属于本发明的技术方案所引伸出的显而易见的变化或变动仍处于本发明的保护范围之列。

Claims (16)

  1. 一种压差式自动补压气源装置，其特征在于：它包括气压罐(1)、底座(12)、支架(15)、曲柄滑杆机构(6)、驱动机构(9)和排气机构(10)，所述气压罐(1)的罐体(11)扣装在底座(12)上，所述罐体(11)的外壁上设置有出气嘴(111)和接口(112)，所述底座(12)上开设有安装口(121)，底座(12)底部安装有固定架(13)且与安装口(121)位置相对应，所述支架(15)为龙门结构，其安装在底座(12)上，所述驱动机构(9)包括主气缸(2)和平衡气缸(3)，所述平衡气缸(3)装置在支架(15)上，且与主气缸(2)之间设有连接板(36)，所述主气缸(2)包括缸体(21)、活塞(22)和活塞杆(23)，所述缸体(21)安装在安装口(121)内，其与平衡气缸(3)之间设有气管(34)，所述活塞(22)安装在缸体(21)内，活塞(22)上开设有气道(2211)，所述气道(2211)内安装有单向阀(222)，所述活塞杆(23)一端连接活塞(22)，其另一端固装在固定架(13)上，所述排气机构(10)包括排气气缸(4)、第一电磁阀(5)、第二电磁阀(43)、管道(422)、手动阀(7)和控制装置(8)，所述排气气缸(4)包括排气缸体(41)、排气活塞(42)和排气活塞杆(44)，所述排气缸体(41)安装在罐体(11)的内壁上并与出气嘴(111)贯通，其内部安装有排气活塞(42)，所述排气活塞(42)上开设有排气孔(421)，所述管道(422)安装在排气孔(421)内，所述第二电磁阀(43)安装在管道(422)上，所述排气活塞杆(44)安装在排气活塞(42)上，所述控制装置(8)分别与第一电磁阀(5)和第二电磁阀(43)连接，其包括第一控制器(81)和第二控制器(82)，所述第一控制器(81)安装在排气气缸(4)的一端，所述第二控制器(82)安装在排气气缸(4)的另一端，所述第一电磁阀(5)和手动气阀(7)分别安装在出气嘴(111)上，所述曲柄滑杆机构(6)包括滑杆(61)、滑块(62)、第一连杆(63)、第二连杆(64)、第三连杆(65)、第一曲柄(66)、第二曲柄(67)和连接件(68)，所述滑杆(61)底端固装在底座(12)上，所述滑块(62)安装在滑杆(61)上，并通过第三连杆(65)与缸体(21)固接，所述第一曲柄(66)的一端和第二曲柄(67)的一端分别铰装在滑杆(61)的顶端，并通过连接件(68)固定，所述第一曲柄(66)另一端与第一连杆(63)一端铰接，所述第一连杆(63)另一端铰装在滑块(62)上，所述第二曲柄(67)另一端与第二连杆(64)铰接，所述第二连杆(64)另一端与排气活塞杆(44)铰接。
  2. 根据权利要求1所述的压差式自动补压气源装置，其特征在于：所述罐体(11)为底部敞口的圆柱体，其敞口端的外周环设有凸檐(113)，所述凸檐(113)上等间距设置有若干通孔(114)。
  3. 根据权利要求1所述的压差式自动补压气源装置，其特征在于：所述底座(12)中部设置有与罐体(11)内径相适配的圆柱体凸起(122)，底座(12)上设置有与通孔(114)相对应的安装孔(115)，底座(12)中心设置有安装口(121)，凸起(122)插装在罐体(11)内，且底座(12)与罐体(11)间设置有密封圈，安装孔(115)与罐体(11)的通孔(114)内安装有螺栓，并通过螺母将底座(12)与罐体(11)间密封。
  4. 根据权利要求1所述的压差式自动补压气源装置，其特征在于：所述固定架(13)上设置有活塞杆安装口(131)。
  5. 根据权利要求1和4所述的压差式自动补压气源装置，其特征在于：所述活塞杆(23)的一端固装在活塞杆安装口(131)内。
  6. 根据权利要求1所述的压差式自动补压气源装置，其特征在于：所述气压罐(1)包括套筒(14)，所述套筒(14)固装在底座(12)上，且与底座(12)共轴线，套筒(14)的内径与缸体(21)的外径相等。
  7. 根据权利要求1所述的压差式自动补压气源装置，其特征在于：所述支架(15)底部螺装在底座(12)的凸起(122)上，所述支架(15)的横梁上安装有滑轨(151)，所述滑轨(151)为两条，两条滑轨(151)距离的中点与套筒(14)的轴线重合。
  8. 根据权利要求1所述的压差式自动补压气源装置，其特征在于：所述缸体(21)插装在套筒(14)内，且可沿套筒(14)轴向往复滑动，缸体(21)的侧壁上分别对开有气孔(212)，缸体(21)远离安装口(121)一端的端壁上设置有环形槽(211)，所述环形槽(211)截面为V字型。
  9. 根据权利要求1所述的压差式自动补压气源装置，其特征在于：所述活塞(22)包括活塞本体(221)、单向阀(222)、弹性元件(223)，所述活塞本体(221)装置在缸体(21)内，其轴向开设有气道(2211)，气道(2211)内壁上环设有环形槽(2212)，所述单向阀(222)装置在气道(2211)内，所述弹性元件(223)卡装在环形槽(2212)内，其一端与单向阀(222)固接，使单向阀(222)复位，所述活塞杆(23)为管状，其一端固装在活塞本体(221)上，并与气道(2211)连通，另一端固装在固定架(13)上，并与罐体(11)外部连通，外部空气可以通过活塞杆(23)进入气道(2211)内，并通过单向阀(222)进入到罐体(11)内。
  10. 根据权利要求1所述的压差式自动补压气源装置，其特征在于：所述主气缸(2)还包括压帽(24)、复位弹簧(25)和压帽限位机构所述压帽(24)盖装在缸体(21)顶部，所述复位弹簧(25)两端分别与支架(15)和压帽本体(241)连接，所述压帽限位机构(26)夹装在压帽(24)上，并通过连杆与支架(15)固接。
  11. 根据权利要求10所述的压差式自动补压气源装置，其特征在于：所述压帽(24)包括压帽本体(241)、第一触碰开关(242)和压簧(243)，所述压帽本体(241)为圆柱体，其顶部中心位置沿其轴向开设有盲孔(2411)，压帽本体(241)侧壁的中部设置有定位凸起(2412)和滑槽(2415)，所述定位凸起(2412)为直角三角形，所述滑槽(2415)设置在压帽本体(241)的侧壁上，并与滑轨(151)相对应，压帽本体(241)通过滑槽(2415)安装在滑轨(151)上，并可沿滑轨(151)往复滑动，当其滑动至滑轨(151)最下方时，盖装在缸体(21)的顶部，压帽本体(241)的底部边缘设置有楔形凸起(2413)，所述楔形凸起(2413)与缸体(21)上的环形槽(211)相对应且相适配，楔形凸起(2413)上开设有平衡气道(2314)，所述平衡气道(2314)的一端设置在盲孔(2411)的内壁上，所述第一触碰开关(242)装置在盲孔(2411)内，其顶部延伸至盲孔(2411)外，第一触碰开关(242)为圆柱体，其沿轴向开设有贯穿顶部和底部的第一气道(2421)，其侧壁上开设有与第一气道(2421)连通的第一支气道(2422)，且所述第一支气道(2422)与平衡气道(2414)相对应，所述压簧(243)装置在第一触碰开关(242)底部与盲孔(2411)底部之间，其两端分别与第一触碰开关(242)和盲孔(2411)相连接。
  12. 根据权利要求10所述的压差式自动补压气源装置，其特征在于：所述压帽限位机构(26)包括定位钳(261)、定位弹簧(262)和释放板(263)，所述定位钳(261)夹装在压帽本体(241)上，并通过连杆与支架(15)固接，定位钳(261)由两个钳臂(2611)铰装而成，两个钳臂(2611)较长的一侧分别支抵在定位凸起(2412)的底部，且远离铰接轴的一端开设有释放板槽(2612)，所述定位弹簧(262)两端分别连接在两个钳臂(2611)距离铰接轴较近的一端，并两端拉紧，从而使定位钳(261)夹紧在压帽本体(241)上，所述释放板(263)为等腰三角形，其顶角自上而下插装在释放板槽(2612)内，释放板(263)上沿其对称线开设有滑孔(2631)，所述滑孔(2631)内安装有螺钉，所述螺钉固装在缸体(21)的外壁上。
  13. 根据权利要求1所述的压差式自动补压气源装置，其特征在于：所述平衡气缸(3)包括平衡缸体(31)、平衡活塞(32)、控制活塞(33)、气管(34)、气缸套(35)和连接板(36)，所述连接板(36)的中部水平固装在缸体(21)上，其两端分别安装有气缸套(35)，所述气缸套(35)为筒状，其位于缸体(21)的两侧，气缸套(35)侧壁上开设有与气孔(212)相对应的通孔，气缸套(35)底部安装有固定梁(351)，所述固定梁(351)的长度与气缸套(35)的外径相等，所述平衡缸体(31)插装在气缸套(35)内，其侧壁上开设有与通孔相对应的进气孔(311)，所述控制活塞(33)装置在平衡缸体(31)的底部，其底端面上设置有固定耳(331)，所述固定耳(331)通过螺栓固装在固定梁(351)上，所述平衡活塞(32)装置在平衡缸体(31)内，其通过活塞杆固装在支架(15)的横梁上，所述气管(34)一端与进气孔(311)连通，另一端穿过气缸套(35)的通孔与缸体(21)的气孔(212)连通。
  14. 根据权利要求1所述的压差式自动补压气源装置，其特征在于：所述排气缸体(41)为筒状，其一端口焊接在罐体(11)的内壁上，另一端的内壁上环设有环形内檐(411)。
  15. 根据权利要求1所述的压差式自动补压气源装置，其特征在于：第一曲柄(66)与第二曲柄(67)夹角为90度。
  16. 根据权利要求1所述的压差式自动补压气源装置，其特征在于：所述控制装置(8)的第一控制器(81)安装在排气缸体(41)的内檐(411)上，控制装置(8)的第二控制器(82)安装在排气缸体(411)内的罐体(11)内壁上。
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