CN115949576B - Double-air tank integrated air pump - Google Patents
Double-air tank integrated air pump Download PDFInfo
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- CN115949576B CN115949576B CN202310137280.XA CN202310137280A CN115949576B CN 115949576 B CN115949576 B CN 115949576B CN 202310137280 A CN202310137280 A CN 202310137280A CN 115949576 B CN115949576 B CN 115949576B
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Abstract
The invention relates to a double-gas tank integrated air pump which comprises an air pump and a gas storage tank, wherein a first exhaust pipe is used for connecting an air pump exhaust port with the gas storage tank in a penetrating way. The second exhaust pipe of the air storage tank is in through connection with the control valve group, and a plurality of exhaust connectors in through connection with the air springs are arranged on the control valve group. The control valve group is in through connection with the recovery gas tank through a third gas inlet pipe, a piston is arranged in the recovery gas tank, a driving device is arranged outside the recovery gas tank, and the driving device drives the piston to axially move along the interior of the recovery gas tank. The driving device and the through hole of the third air inlet pipe are respectively arranged at two sides of the recovery air tank, the recovery air tank is provided with a third exhaust pipe at the same side of the through hole of the third air inlet pipe, and the third exhaust pipe is connected with the air storage tank through the one-way valve and the second air inlet pipe. The exhaust gas of the air spring flows into the recovery gas tank to recycle potential energy, meanwhile, the closed loop of the whole gas path is ensured, the waste amount of high-pressure gas is reduced, the starting frequency of an air pump is further reduced, and the energy consumption is reduced.
Description
Technical Field
The invention belongs to the technical field of vehicle-mounted air pumps, and particularly relates to an integrated air pump with double air tanks.
Background
The vehicle-mounted air pump mainly provides high-pressure air for an air spring in the air suspension system, the air supply system mainly comprises an air pump, an air storage tank and an electric control valve, the air pump supplies the high-pressure air into the air storage tank, and then the air storage tank is connected with the air supply pipelines through separate electromagnetic valves and is connected with the air springs one by one. When the air spring is required to be supplied with air, the corresponding electromagnetic valve is opened, high-pressure air in the air storage tank is supplied into the air spring, and the air pump supplements the air in time for the air storage tank. When the air spring is exhausted, a separate solenoid valve is opened, and the air inside the air spring is exhausted into the air.
Because the exhaust pressure in the air spring is greater than the atmospheric pressure, the air spring has certain potential energy and is directly discharged into the atmosphere, so that potential energy is wasted. Meanwhile, the air quantity in the whole air pump system is lost, and when the air spring is supplied for the next time, the air pump is started to supplement the air in the air storage tank.
Disclosure of Invention
The invention aims to solve the technical problems that: the invention overcomes the defects of the prior art, and provides the double-air-tank integrated air pump.
The invention solves the problems existing in the prior art by adopting the technical scheme that:
the double-air-tank integrated air pump comprises an air pump and an air storage tank, wherein the air pump exhaust port is connected with the air storage tank in a penetrating way through a first exhaust pipe.
The second exhaust pipe of the air storage tank is in through connection with the control valve group, and a plurality of exhaust connectors in through connection with the air springs are arranged on the control valve group.
The control valve group is in through connection with the recovery gas tank through a third gas inlet pipe, a piston is arranged in the recovery gas tank, a driving device is arranged outside the recovery gas tank, and the driving device drives the piston to axially move along the interior of the recovery gas tank.
The driving device and the through hole of the third air inlet pipe are respectively arranged at two sides of the recovery air tank, the recovery air tank is provided with a third exhaust pipe at the same side of the through hole of the third air inlet pipe, and the third exhaust pipe is connected with the air storage tank through a one-way valve and the second air inlet pipe.
Preferably, the control valve group is internally provided with a main air passage and an exhaust passage, a plurality of cylindrical control cavities vertically intersected with the main air passage are communicated with the main air passage, the control cavities are vertically and alternately communicated with a first bypass air passage and a second bypass air passage, the first bypass air passage is communicated with an exhaust joint, and the second bypass air passage is communicated with the exhaust passage.
The main air passage is in through connection with the second exhaust pipe, and the exhaust passage is in through connection with the third air inlet pipe.
The control cavity is internally and coaxially provided with a control tube, the outer diameter of the control tube is the same as the inner diameter of the control cavity, and the circular shaft surface of the control tube is provided with a lower through hole and an upper through hole in an up-down staggered manner.
The outside of the control valve group is fixed with a telescopic device, and a telescopic rod of the telescopic device is coaxially connected with the upper part of the control pipe.
When the control tube moves to the lowest part of the control cavity, the lower through hole and the upper through hole are respectively positioned at the upper side and the lower side of the main air passage.
When the control tube moves upwards, the axis of the lower through hole is coaxially arranged with the main air passage, and the upper through hole is in through connection with the second bypass air passage.
Preferably, the first bypass air passage and the second bypass air passage are respectively arranged at two sides of the control cavity.
The second bypass air passage and the control cavity through connection port are positioned below the first bypass air passage and the control cavity through connection port, the control tube is positioned above the upper through hole and is provided with an exhaust bypass hole, and the included angle between the exhaust bypass hole and the upper through hole is 180 degrees.
When the control tube moves to the lowest part of the control cavity, the upper through hole and the second bypass air passage are coaxially arranged, and the included angle between the upper through hole and the connecting port of the second bypass air passage and the control cavity is 180 degrees.
Preferably, the circumference of the control cavity is concavely provided with an upper limit rotating groove and a lower limit rotating groove.
The upper limit rotating groove is positioned above the through part of the first side air passage and the control cavity, and an upper limit sliding groove is connected above the upper limit rotating groove in a through way.
The lower limit rotating groove is positioned below the main air passage, the upper part is connected with a lower limit sliding groove in a penetrating way, and the top of the lower limit sliding groove is positioned below the main air passage.
The control pipe circular shaft face is convexly provided with a lower lug and an upper lug, the lower lug is arranged inside the lower limit chute in a sliding mode, and the upper lug is arranged inside the upper limit chute in a sliding mode.
When the control tube moves to the lowest part of the control cavity, the upper protruding block is positioned in the upper limit rotating groove, and the lower protruding block is positioned in the lower limit rotating groove.
Preferably, the telescopic rod is rotatably connected with the control tube.
The control chamber bottom is equipped with the motor that link up with spacing change groove down and places the chamber, and the motor is placed intracavity portion and is equipped with the motor, and the output shaft of motor arranges up, and the indent has the recess in the output shaft top surface, and recess indent is equipped with the slot.
When the control tube moves to the lowest part of the control cavity, the lower lug is inserted into the slot.
Preferably, the control tube top surface indent has the connecting chamber, and the connecting chamber inner wall indent is equipped with spiral groove, and spiral groove's number of turns is half circle.
The telescopic link lower extreme inserts to the connection chamber inside, and the protruding control lug that is equipped with in telescopic link lower extreme periphery, control lug slide set up in the spiral groove inside.
Preferably, a second spring is arranged above the control tube, the second spring is positioned in the control cavity, and the second spring is sleeved on the telescopic rod.
Preferably, the first screw rod and the guide rod are coaxially arranged in the recovery gas tank, the piston is sleeved on the first screw rod and the guide rod, and the piston is in threaded connection with the first screw rod.
The end part of the first screw rod penetrates through the outer part of the recovery gas tank and is connected with an output shaft of the driving device.
The driving device adopts a rotary cylinder or a motor.
Preferably, a pressure regulating valve is arranged between the third exhaust pipe and the one-way valve.
Preferably, the check valve is vertically arranged, and comprises a cuboid valve housing, and the air inlet and outlet are respectively positioned below and above the valve housing.
The valve casing is internally provided with a second blocking plate, a second limiting ring and a limiting block.
One end of the second blocking plate is hinged with the inner wall of the valve casing, the second limiting ring is fixed on the inner wall of the valve casing below the second blocking plate, the position limiting block is fixedly connected with the inner wall of the valve casing above the hinge shaft of the second blocking plate, and the end face of the limiting block, facing the second blocking plate, is an inclined plane.
When the second blocking plate is in a horizontal state and the valve casing is blocked, the bottom surface of the second blocking plate is in butt joint with the top surface of the second limiting ring.
When air is introduced below the valve casing, the second blocking plate rotates, the top surface of the second blocking plate is abutted against the inclined surface of the limiting block, and the one-way valve is opened.
Compared with the prior art, the invention has the beneficial effects that:
(1) The middle air tank is additionally arranged, the air spring is exhausted into the middle air tank, potential energy of exhaust of the air spring is recycled, and therefore energy consumption is reduced.
(2) Through a control valves, carry out comprehensive adjustment to the gas circuit conversion, and then less occupation space improves the integrated level, improves on-vehicle industry aesthetic feeling.
Drawings
The invention will be further described with reference to the drawings and examples.
Figure 1 is a diagram of the dual air tank integrated air pump air supply system of the present invention,
figure 2 is a first external view of the dual air tank integrated air pump of the present invention,
figure 3 is a second exterior view of the dual air tank integrated air pump of the present invention,
figure 4 is a third external view of the dual air tank integrated air pump of the present invention,
figure 5 is a cross-sectional view of the dual air tank integrated air pump air reservoir and recovery air tank of the present invention,
figure 6 is a cross-sectional view of the one-way pressure regulating valve of the dual air tank integrated air pump of the present invention,
figure 7 is a view showing the effect of the double air tank integrated air pump of the present invention after the check valve is opened,
figure 8 is an outline view of the double air tank integrated air pump control valve set of the present invention,
figure 9 is a longitudinal cross-sectional view of the dual air tank integrated air pump control valve set of the present invention,
figure 10 is an enlarged view of a portion at a,
figure 11 is an enlarged view of a portion at B,
figure 12 is a transverse cross-sectional view of the upper rotary chamber of the dual air tank integrated air pump control valve assembly of the present invention,
figure 13 is a transverse cross-sectional view of the upper through hole of the dual air tank integrated air pump control valve unit of the present invention,
figure 14 is a first longitudinal cross-sectional view of the dual air tank integrated air pump control valve set control tube axis of the present invention,
figure 15 is a first exploded view of the control tube of the dual air tank integrated air pump control valve set of the present invention,
figure 16 is a second longitudinal cross-sectional view of the dual air tank integrated air pump control valve set control tube axis of the present invention,
figure 17 is a second exploded view of the control tube of the dual air tank integrated air pump control valve set of the present invention,
figure 18 is a cross-sectional view of the control tube of figure 17,
fig. 19 is a graph showing the effect of the control lumen of the control tube of fig. 17 after deployment.
In the figure: 1-air pump, 101-first exhaust pipe, 102-first intake pipe, 2-air storage tank, 201-second exhaust pipe, 202-second intake pipe, 3-recovery air tank, 301-third intake pipe, 302-third exhaust pipe, 303-first screw, 304-piston, 305-sealing sleeve, 306-guide rod, 4-driving device, 5-pressure regulating valve, 501-air cavity, 502-spring cavity, 503-first limit ring, 504-first closure plate, 505-first spring seat, 506-first spring, 507-second spring seat, 508-second screw, 509-knob, 6-check valve, 601-valve housing, 602-second closure plate, 603-second limit ring, 604-limit block, 7-control valve set, 701-main air passage, 702-first bypass air passage, 703-second bypass air passage, control cavity, 7041-lower limit chute, 7042-upper limit chute, 7044-lower limit chute, 705-8-control pipe, 801-lower through hole, 802-upper through hole, 802-lower through hole, 601-lower through hole, 602-second side air passage, 703-second bypass channel, 703-second bypass air passage, 703-control cavity, 7041-lower limit chute, 7044-lower limit chute, 7011-control cavity, 704-through hole, 11-expansion joint, 803, 11-expansion joint, and 11-expansion joint.
Detailed Description
Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art is able to solve the technical problem within a certain error range, substantially achieving the technical effect.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The double air tank integrated air pump of the present invention will be described in further detail below with reference to the accompanying drawings, but is not intended to limit the invention.
The double-gas tank integrated air pump comprises an air pump 1, a gas storage tank 2, a recovery gas tank 3 and a control valve group 7, wherein the air pump 1, the gas storage tank 2, the recovery gas tank 3 and the control valve group 7 are fixed on a bracket 13 and are integrally arranged.
The air inlet of the air pump 1 is connected with the air filter through the first air inlet pipe 102, the air pump 1 is provided with a dryer, and the exhaust gas enters the dryer and is connected with the air storage tank 2 through the dryer.
The second exhaust pipe 201 of the air storage tank 2 is connected with the control valve group 7 in a penetrating way, the control valve group 7 is provided with a plurality of exhaust joints 11 connected with the air springs 14 in a penetrating way, and the number of the exhaust joints 11 is generally four.
The control valve group 7 is in through connection with the recovery gas tank 3 through a third gas inlet pipe 301, a piston 304 is arranged inside the recovery gas tank 3, a driving device 4 is arranged outside the recovery gas tank 3, and the driving device 4 drives the piston 304 to axially move along the inside of the recovery gas tank 3.
The driving device 4 and the through hole of the third air inlet pipe 301 are respectively arranged at two sides of the recovery air tank 3, the third air outlet pipe 302 is arranged at the same side of the recovery air tank 3 as the through hole of the third air inlet pipe 301, and the third air outlet pipe 302 is connected with the air storage tank 2 through the check valve 6 and the second air inlet pipe 202.
If the driving device 4 adopts a telescopic rod, the stroke of the telescopic rod is limited, and the driving device 4 adopts a rotary cylinder or a motor in order to reduce the whole occupied space.
The inside coaxial arrangement of recovery gas pitcher 3 has first screw rod 303 and guide arm 306, and piston 304 cover is located on first screw rod 303 and the guide arm 306, and piston 304 and first screw rod 303 threaded connection, first screw rod 303 tip wear to the outside of recovery gas pitcher 3 to in drive arrangement 4's output shaft.
In order to further improve the tightness, a sliding seal is additionally arranged between the guide rod 306 and the piston 304, the first screw 303 is in threaded connection with a sealing sleeve 305, the sealing sleeve 305 is fixedly connected with one end of the piston 304 facing the driving device 4, and the sealing sleeve 305 is made of elastic rubber.
When the driving device 4 adopts a rotary cylinder, the air inlet end of the driving device is communicated with the air storage tank 2 through an electric control valve.
The control valve group 7 is internally provided with a main air passage 701 and an exhaust passage 705 which are horizontally arranged, a plurality of cylindrical control cavities 704 which are vertically intersected with the main air passage 701 are penetrated on the main air passage 701, and the diameter of each control cavity 704 is smaller than or equal to the width of the main air passage 701. The control chambers 704 are spaced apart in the same number as the exhaust connectors 11. The control chamber 704 is vertically staggered and is connected with a first bypass air passage 702 and a second bypass air passage 703, the first bypass air passage 702 is connected with the exhaust joint 11 in a penetrating manner, and the second bypass air passage 703 is connected with the exhaust passage 705 in a penetrating manner. The main air passage 701 is connected to the second exhaust pipe 201, and the exhaust passage 705 is connected to the third intake pipe 301.
The control cavity 704 is internally and coaxially provided with a control tube 8, the outer diameter of the control tube 8 is the same as the inner diameter of the control cavity 704, and the circular shaft surface of the control tube 8 is provided with a lower through hole 801 and an upper through hole 802 in an up-down staggered manner. The angle between the lower through hole 801 and the upper through hole 802 is 90 °, and two lower through holes 801 arranged coaxially may be provided.
The outside of the control valve group 7 is fixed with a telescopic device 9, and a telescopic rod 901 of the telescopic device 9 is coaxially connected with the upper part of the control pipe 8.
When the control tube 8 moves to the lowest of the control chamber 704, the lower through hole 801 and the upper through hole 802 are located at the upper and lower sides of the main air passage 701, respectively.
When the control tube 8 is moved up, the lower through hole 801 is arranged coaxially with the main air passage 701, and the upper through hole 802 is connected through the first bypass air passage 702.
The first bypass airway 702 and the second bypass airway 703 are placed in two arrangements:
first kind: the first bypass airway 702 and the second bypass airway 703 are located on the same side, and the second bypass airway 703 is located above the first bypass airway 702.
When the air spring 14 is exhausted, the control pipe 8 moves upwards, the axis of the lower through hole 801 is communicated with the first bypass air passage 702, and the upper through hole 802 is communicated with the second bypass air passage 703. But this increases the stroke of the control tube 8, which tends to increase the height of the valve body of the control valve block 7.
Second kind: the first bypass air passage 702 and the second bypass air passage 703 are arranged oppositely, the first bypass air passage 702 and the second bypass air passage 703 are respectively arranged at two sides of the control cavity 704, and the second bypass air passage 703 and the control cavity 704 pass through the connecting port and are positioned below the first bypass air passage 702 and the control cavity 704 pass through the connecting port. At this time, the control pipe 8 is provided with an exhaust bypass hole 807 above the upper through hole 802, and the exhaust bypass hole 807 forms an angle of 180 ° with the upper through hole 802.
When the control pipe 8 moves to the lowest part of the control cavity 704, the upper through hole 802 and the second bypass air passage 703 are coaxially arranged, and the included angle between the upper through hole 802 and the second bypass air passage 703 and the through connection port of the control cavity 704 is 180 degrees. The exhaust bypass pipe 807 is disposed in the opposite direction at the same height as the first bypass air passage 702.
However, the control pipe 8 moves upward, the lower through hole 801 is connected to the main air passage 701, the upper through hole 802 is connected to the first bypass air passage 702, and the exhaust bypass pipe 807 is blocked by the inner wall of the control chamber 704.
When the air spring 14 is arranged in this way, the control pipe 8 is positioned at the lowest part of the control chamber 704, the control pipe 8 is rotated 180 degrees, the upper through hole 802 is connected with the second bypass air passage 703 in a penetrating manner, the exhaust bypass pipe 807 is connected with the first bypass air passage 702 in a penetrating manner, and the gas in the air spring 14 flows into the recovery gas tank 3.
In order to allow the control tube 8 to rotate only when it is located at the lowest position of the control chamber 704, and to move upwards after resetting. In the invention, an upper limit rotating groove 7042 and a lower limit rotating groove 7044 are concavely arranged on the circumferential surface of the control cavity 704.
The upper limit rotating groove 7042 is positioned above the through part of the first side air passage 702 and the control cavity 704, and the upper limit rotating groove 7042 is in through connection with the upper limit sliding groove 7043.
The lower limit rotating groove 7044 is positioned below the main air passage 701, the upper part is connected with the lower limit sliding groove 7041 in a through way, and the top of the lower limit sliding groove 7041 is positioned below the main air passage 701.
The control tube 8 is provided with a lower bump 803 and an upper bump 804 on the circular shaft surface, the lower bump 803 is slidably disposed inside the lower limit chute 7041, and the upper bump 804 is slidably disposed inside the upper limit chute 7043.
When the control tube 8 moves to the lowest of the control chambers 704, the upper projection 804 is positioned inside the upper limit turn groove 7042 and the lower projection 803 is positioned inside the lower limit turn groove 7044. After the control tube 8 rotates 180 degrees, the upper protruding block 804 and the lower protruding block 803 are respectively staggered with the upper limit sliding groove 7043 and the lower limit sliding groove 7041, so that the control tube 8 cannot move upwards, and after the control tube 8 reversely rotates 180 degrees to reset, the upper protruding block 804 and the lower protruding block 803 are respectively opposite to the upper limit sliding groove 7043 and the lower limit sliding groove 7041, and the control tube 8 can move upwards.
In order to achieve rotation of the control tube 8, the present invention employs the following two ways:
first kind: the telescopic rod 901 is rotatably connected with the control tube 8.
The control chamber 704 bottom is equipped with the motor that link up with lower spacing change groove 7044 and places the chamber, and the motor is placed the intracavity and is equipped with motor 10, and motor 10's output shaft arranges up, and the output shaft top surface indent has recess 1001, and recess 1001 indent is equipped with slot 1002. The lower bump 803 is inserted into the inside of the slot 1002 when the control tube 8 moves to the lowest of the control chamber 704. The motor 10 rotates the control tube 8.
Second kind: the top surface of the control tube 8 is concavely provided with a connecting cavity 805, the inner wall of the connecting cavity 805 is concavely provided with a spiral wire groove 806, and the number of turns of the spiral wire groove 806 is half turn.
The lower end of the telescopic rod 901 is inserted into the connecting cavity 805, a control lug 902 is convexly arranged on the circumferential surface of the lower end of the telescopic rod 901, and the control lug 902 is slidably arranged in the spiral groove 806.
A second spring 12 is arranged above the control tube 8, the second spring 12 is positioned in the control cavity 704, and the second spring 12 is sleeved on the telescopic rod 901.
The control knob 902 is located at the top of the spiral groove 806 under the urging of the second spring 12. When the telescopic rod 901 is moved upwards, the control tube 8 moves upwards, and cannot rotate, and when the control tube 8 moves downwards, the control tube 8 cannot rotate. The bottom surface of the control tube 8 is abutted with the bottom surface of the control cavity 704, and after the telescopic rod 901 is continuously moved down, the control lug 902 slides in the spiral groove 806 to drive the control tube 8 to rotate. Since the spiral groove 806 is half a turn, the control knob 902 moves from the upper end to the lower end, and the control tube 8 rotates 180 °.
When the air spring 14 exhausts, the exhaust flows into the middle air tank 3 through the control valve group 7, and when the middle air tank 3 is in air, the piston 304 can be moved, so that the air intake back pressure is reduced. After the air spring 14 is exhausted, the air intake of the intermediate air tank 3 is terminated by the movement of the control pipe 8, and then the air inside the intermediate air tank 3 is pressurized by moving the piston 304, and is pushed into the air tank 2. Because the air pressure discharged into the middle air tank 3 is higher than the atmospheric pressure and has certain potential energy, the air is pressurized and injected into the air storage tank 2, and the consumed energy is smaller than the energy for pressurizing the external air, so that the recycling of the exhaust potential energy is realized.
In order to avoid that the pressurized gas flows back into the control valve group 7 through the third gas inlet pipe 301, a check valve is arranged on the third gas inlet pipe 301.
A pressure regulating valve 5 is arranged between the third exhaust pipe 302 and the one-way valve 6. The check valve 6 is vertically arranged, the check valve 6 comprises a cuboid valve housing 601, and air inlet and outlet openings are respectively arranged below and above the valve housing 601.
A second closure plate 602, a second stop collar 603 and a stop block 604 are arranged inside the valve casing 601.
One end of the second blocking plate 602 is hinged with the inner wall of the valve casing 601, the second limiting ring 603 is fixed on the inner wall of the valve casing 601 positioned below the second blocking plate 602, the position limiting block 604 is fixedly connected with the inner wall of the valve casing 601 positioned above the hinge shaft of the second blocking plate 602, and the end face of the limiting block 604 facing the second blocking plate 602 is an inclined plane.
When the second blocking plate 602 is in a horizontal state and the valve housing 601 is blocked, the bottom surface of the second blocking plate 602 abuts against the top surface of the second limiting ring 603. The second closure plate 602 moves downward by gravity, reducing its back pressure on opening.
When air is introduced below the valve casing 601, the second blocking plate 602 rotates, the top surface of the second blocking plate abuts against the inclined surface of the limiting block 604, and the one-way valve 6 is opened.
The pressure regulating valve 5 is internally provided with an air cavity 501 and a spring cavity 502 which are connected in a penetrating way, the coaxial front end of the air cavity 501 is connected with the third exhaust pipe 302 in a penetrating way, the radial end face of the air cavity 501 is provided with a through hole connected with the one-way valve 6, and a first limiting ring 503 is arranged between the through hole and the third exhaust pipe 302.
The inside coaxial first spring 506 that is equipped with of spring chamber 502, first spring 506 both ends are equipped with first spring holder 505 and second spring holder 507 respectively, and second spring holder 507 is located one side that first spring 506 deviates from air cavity 501, and second spring holder 507 is connected with second screw rod 508, and second screw rod 508 and the valve body threaded connection of air-vent valve 5, the end of second screw rod 508 wears to establish to the valve body outside to be fixed with the knob 509.
The first fiber ring 503 is provided with a first blocking plate 504 on one side facing the spring cavity 502, the outer diameter of the first blocking plate 504 is the same as the inner diameter of the air cavity 501, and the first blocking plate 504 is fixedly connected with a first spring seat 505 through a guide rod.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.
Claims (8)
1. The utility model provides a two gas pitcher integral type air pump, includes air pump (1) and gas holder (2), and first blast pipe (101) link up air pump (1) gas vent and gas holder (2), its characterized in that:
a second exhaust pipe (201) of the air storage tank (2) is communicated with the control valve group (7), a plurality of exhaust joints (11) communicated with the air springs (14) are arranged on the control valve group (7),
the control valve group (7) is in through connection with the recovery gas tank (3) through a third gas inlet pipe (301), a piston (304) is arranged in the recovery gas tank (3), a driving device (4) is arranged outside the recovery gas tank (3), the driving device (4) drives the piston (304) to axially move along the interior of the recovery gas tank (3),
the driving device (4) and the through hole of the third air inlet pipe (301) are respectively arranged at two sides of the recovery air tank (3), the recovery air tank (3) is provided with a third air outlet pipe (302) at the same side of the through hole of the third air inlet pipe (301), the third air outlet pipe (302) is connected with the air storage tank (2) through a one-way valve (6) and a second air inlet pipe (202),
the control valve group (7) is internally provided with a main air passage (701) and an exhaust passage (705), a plurality of cylindrical control cavities (704) which are vertically intersected with the main air passage (701) are communicated with the main air passage (701), the control cavities (704) are vertically staggered and communicated with a first bypass air passage (702) and a second bypass air passage (703), the first bypass air passage (702) is communicated with an exhaust joint (11), the second bypass air passage (703) is communicated with the exhaust passage (705),
the main air passage (701) is communicated with the second exhaust pipe (201), the exhaust passage (705) is communicated with the third air inlet pipe (301),
a control tube (8) is coaxially arranged in the control cavity (704), the outer diameter of the control tube (8) is the same as the inner diameter of the control cavity (704), lower through holes (801) and upper through holes (802) are arranged on the circular shaft surface of the control tube (8) in an up-down staggered manner,
the first bypass air passage (702) and the second bypass air passage (703) are respectively arranged at two sides of the control cavity (704),
the through connection port of the second bypass air passage (703) and the control cavity (704) is positioned below the through connection port of the first bypass air passage (702) and the control cavity (704),
an exhaust bypass hole (807) is arranged above the upper through hole (802) of the control pipe (8), the included angle between the exhaust bypass hole (807) and the upper through hole (802) is 180 degrees,
when the control tube (8) moves to the lowest part of the control cavity (704), the upper through hole (802) and the second bypass air passage (703) are coaxially arranged, the included angle between the upper through hole (802) and the connecting port of the second bypass air passage (703) and the control cavity (704) is 180 degrees,
a telescopic device (9) is fixed outside the control valve group (7), a telescopic rod (901) of the telescopic device (9) is coaxially connected with the upper part of the control pipe (8),
when the control tube (8) moves to the lowest part of the control cavity (704), the lower through hole (801) and the upper through hole (802) are respectively positioned at the upper side and the lower side of the main air passage (701),
when the control tube (8) moves upwards, the axis of the lower through hole (801) is coaxially arranged with the main air passage (701), and the upper through hole (802) is in through connection with the first side air passage (702).
2. The dual air tank integrated air pump of claim 1, wherein:
an upper limit rotating groove (7042) and a lower limit rotating groove (7044) are concavely arranged on the circumferential surface of the control cavity (704),
the upper limit rotating groove (7042) is positioned above the through part of the first side air passage (702) and the control cavity (704), the upper limit sliding groove (7043) is connected above the upper limit rotating groove (7042) in a through way,
the lower limit rotating groove (7044) is positioned below the main air passage (701), the upper part is connected with a lower limit sliding groove (7041) in a through way, the top of the lower limit sliding groove (7041) is positioned below the main air passage (701),
the control tube (8) is convexly provided with a lower lug (803) and an upper lug (804), the lower lug (803) is arranged in the lower limit chute (7041) in a sliding way, the upper lug (804) is arranged in the upper limit chute (7043) in a sliding way,
when the control tube (8) moves to the lowest part of the control cavity (704), the upper protruding block (804) is positioned in the upper limit rotating groove (7042), and the lower protruding block (803) is positioned in the lower limit rotating groove (7044).
3. The dual air tank integrated air pump of claim 2, wherein:
the telescopic rod (901) is rotationally connected with the control tube (8),
a motor placing cavity which is in through connection with the lower limit rotating groove (7044) is arranged at the bottom of the control cavity (704), a motor (10) is arranged in the motor placing cavity, an output shaft of the motor (10) is arranged upwards, a groove (1001) is concavely arranged on the top surface of the output shaft, a slot (1002) is concavely arranged on the inner wall of the groove (1001),
when the control tube (8) moves to the lowest part of the control cavity (704), the lower lug (803) is inserted into the slot (1002).
4. A dual air tank integrated air pump as in claim 3 wherein:
a connecting cavity (805) is concavely arranged on the top surface of the control tube (8), a spiral groove (806) is concavely arranged on the inner wall of the connecting cavity (805), the number of turns of the spiral groove (806) is half turn,
the lower end of the telescopic rod (901) is inserted into the connecting cavity (805), a control lug (902) is convexly arranged on the circumferential surface of the lower end of the telescopic rod (901), and the control lug (902) is slidably arranged in the spiral groove (806).
5. The dual air tank integrated air pump of claim 4 wherein:
a second spring (12) is arranged above the control tube (8), the second spring (12) is positioned inside the control cavity (704), and the second spring (12) is sleeved on the telescopic rod (901).
6. The dual air tank integrated air pump of claim 5 wherein:
a first screw rod (303) and a guide rod (306) are coaxially arranged in the gas recovery tank (3), a piston (304) is sleeved on the first screw rod (303) and the guide rod (306), the piston (304) is in threaded connection with the first screw rod (303),
the end part of the first screw rod (303) is penetrated outside the recovery gas tank (3) and is connected with the output shaft of the driving device (4),
the driving device (4) adopts a rotary cylinder or a motor.
7. The dual air tank integrated air pump of claim 6, wherein:
a pressure regulating valve (5) is arranged between the third exhaust pipe (302) and the one-way valve (6).
8. The dual air tank integrated air pump of claim 7, wherein:
the one-way valve (6) is vertically arranged, the one-way valve (6) comprises a cuboid valve housing (601), the air inlet and outlet are respectively positioned below and above the valve housing (601),
a second blocking plate (602), a second limiting ring (603) and a limiting block (604) are arranged in the valve casing (601),
one end of the second blocking plate (602) is hinged with the inner wall of the valve casing (601), the second limiting ring (603) is fixed on the inner wall of the valve casing (601) below the second blocking plate (602), the position limiting block (604) is fixedly connected with the inner wall of the valve casing (601) above the hinging shaft of the second blocking plate (602), the end face of the limiting block (604) facing the second blocking plate (602) is an inclined plane,
when the second blocking plate (602) is in a horizontal state and the valve casing (601) is blocked, the bottom surface of the second blocking plate (602) is abutted with the top surface of the second limiting ring (603),
when air is introduced below the valve casing (601), the second blocking plate (602) rotates, the top surface of the second blocking plate is abutted with the inclined surface of the limiting block (604), and the one-way valve (6) is opened.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310137280.XA CN115949576B (en) | 2023-02-20 | 2023-02-20 | Double-air tank integrated air pump |
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| CN202310137280.XA CN115949576B (en) | 2023-02-20 | 2023-02-20 | Double-air tank integrated air pump |
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| CN115949576B true CN115949576B (en) | 2023-07-28 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895644A (en) * | 2015-06-14 | 2015-09-09 | 高雅 | Internal transportation machinery flow division device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE19804288C1 (en) * | 1998-02-04 | 1999-05-27 | Daimler Chrysler Ag | Suspension system for a vehicle |
| US20080050250A1 (en) * | 2006-08-25 | 2008-02-28 | Haldex Brake Corporation | Air supply system with reduced oil passing in compressor |
| CN103241091B (en) * | 2013-05-23 | 2016-01-27 | 江苏大学 | A kind of with the multistage air bellow closed loop air-channel system from booster body |
| CN206327110U (en) * | 2016-10-20 | 2017-07-14 | 长春市昊星汽车科技有限公司 | Based on mechanical height valve Vehicular air suspension closed-loop control device |
| CN208515330U (en) * | 2018-07-23 | 2019-02-19 | 张西航 | Suspension feeder and vehicle |
| CN109367346A (en) * | 2018-11-23 | 2019-02-22 | 清科智能悬架系统（苏州）有限公司 | A kind of distributing valve for gas direction changeable in airsuspension system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104895644A (en) * | 2015-06-14 | 2015-09-09 | 高雅 | Internal transportation machinery flow division device |
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