CN114087158A - High-low pressure combined air pump - Google Patents

High-low pressure combined air pump Download PDF

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Publication number
CN114087158A
CN114087158A CN202111594305.6A CN202111594305A CN114087158A CN 114087158 A CN114087158 A CN 114087158A CN 202111594305 A CN202111594305 A CN 202111594305A CN 114087158 A CN114087158 A CN 114087158A
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CN
China
Prior art keywords
air
way bearing
air outlet
air pump
assembly
Prior art date
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Pending
Application number
CN202111594305.6A
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Chinese (zh)
Inventor
杨琪
付清团
杨国华
傅彪
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Richtek Electronics Co Ltd
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Richtek Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Richtek Electronics Co Ltd filed Critical Richtek Electronics Co Ltd
Priority to CN202111594305.6A priority Critical patent/CN114087158A/en
Publication of CN114087158A publication Critical patent/CN114087158A/en
Pending legal-status Critical Current

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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
    • F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
    • 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
    • F04B25/00—Multi-stage pumps
    • F04B25/005—Multi-stage pumps with two cylinders
    • 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
    • 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
    • F04B39/123—Fluid connections
    • 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
    • F04B39/14—Provisions for readily assembling or disassembling

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

The invention relates to the technical field of inflation pumps, in particular to a high-low pressure combined air pump which comprises a rack, a transmission assembly, an inflation assembly I, an inflation assembly II and a driving device, wherein the transmission assembly comprises a driving wheel, a transition gear, a one-way bearing II, an eccentric wheel, a driven shaft, a driven wheel and the one-way bearing I, and the output end of the driving device is connected with the driving wheel; the driving wheel and the transition gear are respectively meshed with the driven wheel, and the eccentric wheel is connected with the driven shaft through a one-way bearing I; the eccentric wheel is hinged with the input end of the first inflation assembly; the transition gear is connected with the input end of the second inflation assembly through a second one-way bearing; the rotating direction of the first one-way bearing is opposite to that of the second one-way bearing. The driving device drives the first inflation assembly or the second inflation assembly to inflate respectively, so that the load of the driving device during operation is reduced, the power source required by driving of the first inflation assembly and the second inflation assembly is reduced, the weight of the inflatable pneumatic mattress is reduced, and the practicability is high.

Description

High-low pressure combined air pump
Technical Field
The invention relates to the technical field of inflation pumps, in particular to a high-low pressure combined air pump.
Background
In recent years, with the continuous development of inflator pump technology, more and more inflator devices appear in the production and life of people, and the inflator is widely favored due to the advantages of light weight, convenient storage and the like. However, different inflators are required to inflate different inflatable devices. However, the two inflation assemblies of the existing combined air pump inflate simultaneously, and the two inflation assemblies interfere with the inflation process of the inflatable device; the driving device has large load and loss and a complex transmission structure. Therefore, the drawbacks are obvious, and a solution is needed.
Disclosure of Invention
In order to solve the above technical problems, an object of the present invention is to provide a high and low pressure combination air pump.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-low pressure combined air pump comprises a rack, a transmission assembly movably arranged in the rack, and an inflation assembly I, an inflation assembly II and a driving device which are respectively connected with the rack, wherein the transmission assembly comprises a driving wheel, a transition gear, a one-way bearing II, an eccentric wheel, a driven shaft with one end rotatably connected with the rack, a driven wheel and a one-way bearing I which are respectively connected with the other end of the driven shaft, and the output end of the driving device is connected with the driving wheel; the driving wheel and the transition gear are respectively meshed with the driven wheel, and the eccentric wheel is connected with the driven shaft through a one-way bearing I; the eccentric position of the eccentric wheel is hinged with the input end of the first inflation assembly; the transition gear is connected with the input end of the second inflation assembly through a second one-way bearing; the rotating direction of the first one-way bearing is opposite to that of the second one-way bearing.
Furthermore, the first inflation assembly comprises a pump body connected with the rack, a piston arranged in an inner cavity of the pump body in a sliding manner, a piston rod connected with the eccentric position of the eccentric wheel and the piston, an air inlet arranged on the piston and a first air outlet pipe connected with one end of the pump body far away from the eccentric wheel, wherein the first air outlet pipe is communicated with the inner cavity of the pump body; the eccentric position of the eccentric wheel is hinged with the piston rod.
Furthermore, the second air inflation assembly comprises an air pump shell connected with the rack, an air inlet pipe connected with the air pump shell and communicated with the inner cavity of the air pump shell, fan blades rotatably arranged in the inner cavity of the air pump shell, a connecting shaft coaxially connected with the fan blades and a second air outlet pipe communicated with the inner cavity of the air pump shell, and the connecting shaft is connected with the second one-way bearing.
Furthermore, the second inflation assembly further comprises a third air outlet pipe, one end of the third air outlet pipe is communicated with the second air outlet pipe, and the other end of the third air outlet pipe is communicated with the first air outlet pipe of the first inflation assembly.
Furthermore, the second air inflation assembly further comprises a second one-way air outlet valve arranged between the air pump shell and the second air outlet pipe; and the one-way air outlet valve is used for plugging or opening a second air outlet hole between the air pump shell and the second air outlet pipe.
Furthermore, a first gear ring meshed with the driving wheel and a second gear ring meshed with the transition gear are arranged on the driven wheel.
Furthermore, the transition gear comprises a gear part meshed with the driven wheel and a connecting part connected with the gear part; the connecting part is sleeved outside the one-way bearing.
Further, the connecting part is in a hollow cylindrical shape.
Furthermore, the high-low pressure combination air pump further comprises blades, and two output ends of the driving device are respectively connected with the blades and the driving wheel.
The invention has the beneficial effects that: according to the invention, the first inflation assembly is a high-pressure low-flow inflation assembly, the second inflation assembly is a low-pressure high-flow inflation assembly, and the first inflation assembly or the second inflation assembly respectively performs high-pressure low-flow inflation or low-pressure high-flow inflation by adjusting the rotation direction of the driving device. The driving device drives the first inflation assembly or the second inflation assembly to inflate respectively, the operation of the first inflation assembly and the operation of the second inflation assembly do not interfere with each other, the load of the driving device during operation is reduced, the service life of the driving device is prolonged, power sources required by the driving of the first inflation assembly and the second inflation assembly are reduced, the weight of the air conditioner is reduced, and the use experience of the air conditioner is improved. The driving device and the transmission assembly are simple and compact in structure and convenient to connect. The first inflation assembly and the second inflation assembly can meet the inflation requirements of a high-pressure inflation appliance and a low-pressure inflation appliance respectively, and the practicability is high.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a partial perspective view of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
Description of reference numerals:
1. a frame; 2. a transmission assembly; 3. a first inflation assembly; 4. a second inflation assembly; 5. a drive device; 6. a blade; 21. a one-way bearing I; 22. a one-way bearing II; 23. a driving wheel; 24. a driven wheel; 25. a driven shaft; 26. a transition gear; 27. an eccentric wheel; 28. a first gear ring; 29. a gear ring II; 31. a pump body; 32. a piston rod; 33. a piston; 34. a first air outlet pipe; 35. a one-way air outlet valve I; 36. a one-way intake valve; 41. an air pump housing; 42. an air inlet pipe; 43. a fan blade; 44. a connecting shaft; 45. a second air outlet pipe; 46. a third gas outlet pipe; 47. a one-way air outlet valve II; 261. a gear portion; 262. a connecting portion.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
As shown in fig. 1 to 3, the high-low pressure combined air pump provided by the invention comprises a frame 1, a transmission assembly 2 movably arranged in the frame 1, and a first air inflation assembly 3, a second air inflation assembly 4 and a driving device 5 which are respectively connected with the frame 1, wherein the transmission assembly 2 comprises a driving wheel 23, a transition gear 26, a second one-way bearing 22, an eccentric wheel 27, a driven shaft 25 with one end rotatably connected with the frame 1, and a driven wheel 24 and a first one-way bearing 21 which are respectively connected with the other end of the driven shaft 25, and the output end of the driving device 5 is connected with the driving wheel 23; the driving wheel 23 and the transition gear 26 are respectively meshed with the driven wheel 24, and the eccentric wheel 27 is connected with the driven shaft 25 through a one-way bearing I21; the eccentric position of the eccentric wheel 27 is hinged with the input end of the first inflation assembly 3; the transition gear 26 is connected with the input end of the second inflation assembly 4 through a second one-way bearing 22; the rotation direction of the one-way bearing I21 is opposite to that of the one-way bearing II 22.
Specifically, the driven shaft 25, the driven wheel 24, the one-way bearing I21 and the eccentric wheel 27 are coaxially arranged; the driven shaft 25 is inserted into an inner ring of the first one-way bearing 21, the eccentric wheel 27 is sleeved outside an outer ring of the first one-way bearing 21, a first locking assembly is arranged between the inner ring and the outer ring of the first one-way bearing 21, and the first locking assembly limits the rotation of the outer ring of the first one-way bearing 21 relative to the inner ring of the first one-way bearing 21 along the counterclockwise direction or the rotation of the inner ring of the first one-way bearing 21 relative to the outer ring of the first one-way bearing 21 along the clockwise direction; the transition gear 26 is sleeved outside the outer ring of the second one-way bearing 22, the inner ring of the second one-way bearing 22 is sleeved outside the input end of the second inflation component 4, a second locking component is arranged between the inner ring and the outer ring of the second one-way bearing 22, and the second locking component limits the rotation of the outer ring of the second one-way bearing 22 relative to the inner ring of the second one-way bearing 22 in the clockwise direction or the rotation of the inner ring of the second one-way bearing 22 relative to the outer ring of the second one-way bearing 22 in the clockwise direction.
In practical use, the driving device 5 may be a motor. When the output end of the driving device 5 rotates anticlockwise, the first one-way bearing 21 is in a locking linkage state, and the second one-way bearing 22 is in a rotating (idling) state; when the output end of the driving device 5 rotates clockwise, the one-way bearing I21 is in a rotating (idling) state, and the one-way bearing II 22 is in a locking linkage state; the driving device 5 drives the driving wheel 23 to rotate anticlockwise, the driving wheel 23 drives the driven wheel 24 and the driven shaft 25 to rotate clockwise, the driven shaft 25 drives the inner ring of the one-way bearing I21 to rotate clockwise, under the action of the locking assembly I, the inner ring of the one-way bearing I21 and the outer ring of the one-way bearing I21 are in a locking linkage state, so that the driven shaft 25 can drive the outer ring of the one-way bearing I21 and the eccentric wheel 27 to rotate synchronously through the inner ring of the one-way bearing I21, and the eccentric wheel 27 drives the inflation assembly I3 to inflate in the rotating process; meanwhile, the driven wheel 24 can also drive the transition gear 26 and the outer ring of the one-way bearing two 22 to rotate counterclockwise, the locking assembly two does not limit the outer ring of the one-way bearing two 22 to rotate counterclockwise relative to the inner ring of the one-way bearing two 22, and then the outer ring of the one-way bearing two 22 rotates relative to the inner ring of the one-way bearing two 22, so that the transition gear 26 and the one-way bearing two 22 cannot drive the inflation assembly two 4 to inflate. The first inflation assembly 3 is set to be a high-pressure low-flow inflation assembly, the second inflation assembly 4 is set to be a low-pressure high-flow inflation assembly, and the first inflation assembly 3 or the second inflation assembly 4 is respectively inflated at high pressure and low flow or inflated at low pressure and high flow by adjusting the rotation direction of the driving device 5. The driving device 5 respectively drives the first inflation assembly 3 or the second inflation assembly 4 to inflate, the operation of the first inflation assembly 3 and the second inflation assembly 4 is not interfered with each other, the load of the driving device 5 during operation is reduced, the service life of the driving device 5 is prolonged, the power source required by the driving of the first inflation assembly 3 and the second inflation assembly 4 is reduced, the weight of the air conditioner is reduced, and the use experience of the air conditioner is improved. The driving device 5 and the transmission assembly 2 have simple and compact structure and convenient connection. The first inflation assembly 3 and the second inflation assembly 4 can meet the inflation requirements of a high-pressure inflation device and a low-pressure inflation device respectively, and the practicability is high.
Further, the first inflation assembly 3 comprises a pump body 31 connected with the frame 1, a piston 33 slidably arranged in an inner cavity of the pump body 31, a piston rod 32 connected to an eccentric position of the eccentric wheel 27 and the piston 33, an air inlet arranged on the piston 33, and a first air outlet pipe 34 connected with one end of the pump body 31 far away from the eccentric wheel 27, wherein the first air outlet pipe 34 is communicated with the inner cavity of the pump body 31; the eccentric position of the eccentric wheel 27 is hinged with the piston rod 32.
Specifically, the first inflation assembly 3 further comprises a piston ring sleeved on the piston 33 and tightly connected with the inner side wall of the pump body 31, and the piston ring can seal a gap between the pump body 31 and the piston 33; the piston ring can adopt an elastic piece; a one-way air outlet valve I35 is arranged between the pump body 31 and the air outlet pipe I34; the first one-way air outlet valve 35 is used for plugging or opening a first air outlet hole between the pump body 31 and the first air outlet pipe 34; a one-way air inlet valve 36 is arranged on an air inlet of the piston 33; the one-way air inlet valve 36 is used for plugging or opening an air inlet; the first one-way air outlet valve 35 and the one-way air inlet valve 36 can both adopt rubber valve plates. In the actual use process, when the driving device 5 rotates counterclockwise and drives the piston rod 32 and the piston 33 to slide in the pump body 31 in the direction away from the pump body 31 through the eccentric wheel 27, the air pushes open the one-way air inlet valve 36, so that the air inlet is communicated with the inner cavity of the pump body 31, the air flows into the inner cavity of the pump body 31 from the air inlet, when the eccentric wheel 27 drives the piston rod 32 and the piston 33 to slide in the direction close to the pump body 31, the air in the pump body 31 is compressed, the air pushes up the one-way air outlet valve one 35, so that the inner cavity of the pump body 31 is communicated with the air outlet pipe one 34 through the air outlet hole one, and the compressed air flows out of the air outlet pipe one 34 and inflates the inflatable device. The first inflation assembly 3 is simple in structure, and the pressure and the flow of the first inflation assembly 3 during inflation are adjusted through data such as the volume of the pump body 31, the size and the number of air inlets, the valve blocking pressure of the one-way air inlet valve 36 and the like, so that the inflation assembly can achieve high-pressure low-flow inflation. The first inflation assembly 3 is simple in structure, can be used for inflating basketball, tires and other inflation appliances, and is convenient to connect and install with the eccentric wheel 27.
Further, the second air inflation assembly 4 comprises an air pump housing 41 connected with the frame 1, an air inlet pipe 42 connected to the air pump housing 41 and communicated with the inner cavity of the air pump housing 41, a fan blade 43 rotatably arranged in the inner cavity of the air pump housing 41, a connecting shaft 44 coaxially connected with the fan blade 43, and a second air outlet pipe 45 communicated with the inner cavity of the air pump housing 41, wherein the connecting shaft 44 is connected with the second one-way bearing 22.
Specifically, the connecting shaft 44 is coaxially connected with the inner ring of the second one-way bearing 22. In the actual use process, the driving device 5 rotates clockwise, so that the transition gear 26 drives the connecting shaft 44 and the fan blade 43 to rotate through the second one-way bearing 22, the fan blade 43 rotates to drive air to enter the air pump housing 41 from the air inlet pipe 42, and air in the air pump housing 41 is discharged from the second air outlet pipe 45, so that the second inflation assembly 4 can realize high-pressure low-flow inflation, the second inflation assembly 4 is simple in structure, and inflation appliances such as balloons and the like can be inflated. In addition, the air inlet pipe 42 can also be used as an air suction pipe, when an inflatable device such as an air cushion bed and the like needs to be stored, the air outlet of the air cushion bed is communicated with the air inlet pipe 42, the air inlet pipe 42 sucks the air in the air cushion bed into the air pump shell 41, the air in the air cushion bed can be discharged out of the air pump shell 41 through the air outlet pipe II 45, accordingly, the air release of the air cushion bed is completed, and the same inflation assembly II 4 can also be used as an air suction device during household storage. The second inflation assembly 4 is high in practicability and utilization rate.
Furthermore, the second inflation assembly 4 further comprises a third air outlet pipe 46, one end of the third air outlet pipe 46 is communicated with the second air outlet pipe 45, and the other end of the third air outlet pipe 46 is communicated with the first air outlet pipe 34 of the first inflation assembly 3.
Specifically, the second inflation assembly 4 further comprises a second one-way air outlet valve 47 arranged between the air pump shell 41 and the second air outlet pipe 45; the second one-way air outlet valve 47 is used for plugging or opening a second air outlet hole between the air pump shell 41 and the second air outlet pipe 45; the second one-way air outlet valve 47 can adopt a rubber valve plate. When the second air inflation component 4 inflates the inflatable device, air can jack the second one-way air outlet valve 47, so that the air pump shell 41 is communicated with the second air outlet pipe 45, the air flows from the second air outlet pipe 45 to the third air outlet pipe 46, then flows from the third air outlet pipe 46 to the first air outlet pipe 34, and is inflated into the inflatable device from the first air outlet pipe 34, and because the first one-way air outlet valve 35 is arranged between the pump body 31 and the first air outlet pipe 34, the air cannot flow back to the pump body 31 from the first air outlet pipe 34. When the first inflating assembly 3 inflates the inflator, the second one-way air outlet valve 47 is arranged between the second air outlet pipe 45 and the air pump shell 41, so that air cannot flow back into the air pump shell 41 from the second air outlet pipe 45. The inflation efficiency of the first inflation assembly 3 and the second inflation assembly 4 is improved.
Further, the driven gear 24 is provided with a first ring gear 28 engaged with the driving gear 23 and a second ring gear 29 engaged with the transition gear 26.
Specifically, the number of teeth of the first ring gear 28 is different from that of the second ring gear 29, and the number of teeth of the first ring gear 28 is greater than that of the second ring gear 29. By adjusting the number of teeth of the first gear ring 28 and the second gear ring 29, the rotation speeds of the eccentric wheel 27 and the transition gear 26 are adjusted respectively, so that the input power of the first air charging assembly 3 and the second air charging assembly 4 is adjusted. The driven wheel 24 has simple structure, convenient production and compact structure of the transmission component 2.
Further, the transition gear 26 includes a gear portion 261 engaged with the driven wheel 24 and a connecting portion 262 connected to the gear portion 261; the connecting portion 262 is hollow cylindrical; the connecting portion 262 is sleeved outside the second one-way bearing 22.
In the actual use process, the gear part 261, the connecting part 262 and the connecting shaft 44 are coaxially arranged from top to bottom in sequence, so that the structure of the transmission assembly 2 is more compact, the abrasion of the transition gear 26, the one-way bearing II 22 and the inflation assembly II 4 in the transmission process is reduced, and the service life of the transmission assembly 2 is prolonged.
Further, the high-low pressure combination air pump further comprises a blade 6, and two output ends of the driving device 5 are respectively connected with the blade 6 and the driving wheel 23. The driving device 5 drives the blades 6 to rotate, and the driving device 5 is cooled.
All the technical features in the embodiment can be freely combined according to actual needs.
The above embodiments are preferred implementations of the present invention, and the present invention can be implemented in other ways without departing from the spirit of the present invention.

Claims (9)

1. A high-low pressure combination air pump which is characterized in that: the automatic air charging device comprises a rack (1), a transmission assembly (2) movably arranged in the rack (1), an air charging assembly I (3), an air charging assembly II (4) and a driving device (5), wherein the air charging assembly I (3), the air charging assembly II (4) and the driving device (5) are respectively connected with the rack (1), the transmission assembly (2) comprises a driving wheel (23), a transition gear (26), a one-way bearing II (22), an eccentric wheel (27), a driven shaft (25) with one end rotatably connected with the rack (1), a driven wheel (24) and a one-way bearing I (21), the driven wheel and the one-way bearing I (21) are respectively connected with the other end of the driven shaft (25), and the output end of the driving device (5) is connected with the driving wheel (23); the driving wheel (23) and the transition gear (26) are respectively meshed with the driven wheel (24), and the eccentric wheel (27) is connected with the driven shaft (25) through a one-way bearing I (21); the eccentric position of the eccentric wheel (27) is hinged with the input end of the first inflation assembly (3); the transition gear (26) is connected with the input end of the second inflation assembly (4) through a second one-way bearing (22); the rotating direction of the one-way bearing I (21) is opposite to that of the one-way bearing II (22).
2. The high-low pressure combination air pump according to claim 1, characterized in that: the first inflation assembly (3) comprises a pump body (31) connected with the rack (1), a piston (33) arranged in the inner cavity of the pump body (31) in a sliding mode, a piston rod (32) connected to the eccentric position of the eccentric wheel (27) and the piston (33), an air inlet arranged on the piston (33) and a first air outlet pipe (34) connected with one end, far away from the eccentric wheel (27), of the pump body (31), wherein the first air outlet pipe (34) is communicated with the inner cavity of the pump body (31); the eccentric position of the eccentric wheel (27) is hinged with a piston rod (32).
3. The high-low pressure combination air pump according to claim 1, characterized in that: the second air inflation assembly (4) comprises an air pump shell (41) connected with the rack (1), an air inlet pipe (42) connected to the air pump shell (41) and communicated with the inner cavity of the air pump shell (41), fan blades (43) rotatably arranged in the inner cavity of the air pump shell (41), a connecting shaft (44) coaxially connected with the fan blades (43) and a second air outlet pipe (45) communicated with the inner cavity of the air pump shell (41), and the connecting shaft (44) is connected with the second one-way bearing (22).
4. A high-low pressure combination air pump according to claim 3, characterized in that: and the second inflation assembly (4) further comprises a third air outlet pipe (46), one end of the third air outlet pipe (46) is communicated with the second air outlet pipe (45), and the other end of the third air outlet pipe (46) is communicated with the first air outlet pipe (34) of the first inflation assembly (3).
5. A high-low pressure combination air pump according to claim 3, characterized in that: the second inflation assembly (4) further comprises a second one-way air outlet valve (47) arranged between the air pump shell (41) and the second air outlet pipe (45); and the second one-way air outlet valve (47) is used for plugging or opening a second air outlet hole between the air pump shell (41) and the second air outlet pipe (45).
6. The high-low pressure combination air pump according to claim 1, characterized in that: the driven wheel (24) is provided with a first gear ring (28) meshed with the driving wheel (23) and a second gear ring (29) meshed with the transition gear (26).
7. A high-low pressure combination air pump according to any one of claims 1-6, characterized in that: the transition gear (26) comprises a gear part (261) meshed with the driven wheel (24) and a connecting part (262) connected to the gear part (261); the connecting part (262) is sleeved outside the second one-way bearing (22).
8. The high-low pressure combination air pump according to claim 7, characterized in that: the connecting part (262) is in a hollow cylindrical shape.
9. The high-low pressure combination air pump according to claim 1, characterized in that: the high-low pressure combined air pump further comprises blades (6), and two output ends of the driving device (5) are respectively connected with the blades (6) and the driving wheel (23).
CN202111594305.6A 2021-12-23 2021-12-23 High-low pressure combined air pump Pending CN114087158A (en)

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Application Number Priority Date Filing Date Title
CN202111594305.6A CN114087158A (en) 2021-12-23 2021-12-23 High-low pressure combined air pump

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Application Number Priority Date Filing Date Title
CN202111594305.6A CN114087158A (en) 2021-12-23 2021-12-23 High-low pressure combined air pump

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CN114087158A true CN114087158A (en) 2022-02-25

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CN200943568Y (en) * 2006-08-17 2007-09-05 郑玉琪 Electric-charging pump
CN105114282A (en) * 2015-09-24 2015-12-02 张有进 Air compressor core
CA2997192A1 (en) * 2015-09-02 2017-03-09 Active Tools International (Hk) Ltd. Air inflating device and tire repair machine comprising same
CN109798236A (en) * 2017-11-17 2019-05-24 江苏亿美电器有限公司 A kind of efficient electric air pump
CN110273827A (en) * 2019-07-19 2019-09-24 东莞市密可沃五金科技有限公司 A kind of filling gas dual-purpose apparatus
CN212272509U (en) * 2020-04-14 2021-01-01 浙江威邦机电科技有限公司 High-low pressure electric inflator pump
CN216617804U (en) * 2021-12-23 2022-05-27 东莞瑞柯电子科技股份有限公司 High-low pressure combined air pump

Patent Citations (8)

* Cited by examiner, † Cited by third party
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GB2073827A (en) * 1980-04-10 1981-10-21 Well Men Ind Co Ltd A combined air compressor and vacuum device
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CN212272509U (en) * 2020-04-14 2021-01-01 浙江威邦机电科技有限公司 High-low pressure electric inflator pump
CN216617804U (en) * 2021-12-23 2022-05-27 东莞瑞柯电子科技股份有限公司 High-low pressure combined air pump

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