CN212202394U - Booster pump for gas supply device - Google Patents
Booster pump for gas supply device Download PDFInfo
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- CN212202394U CN212202394U CN202020506648.7U CN202020506648U CN212202394U CN 212202394 U CN212202394 U CN 212202394U CN 202020506648 U CN202020506648 U CN 202020506648U CN 212202394 U CN212202394 U CN 212202394U
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- 238000007906 compression Methods 0.000 claims abstract description 248
- 230000006835 compression Effects 0.000 claims abstract description 236
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 118
- 239000003345 natural gas Substances 0.000 claims abstract description 67
- 239000007789 gas Substances 0.000 claims abstract description 26
- 238000005192 partition Methods 0.000 claims abstract description 23
- 230000002457 bidirectional effect Effects 0.000 claims description 32
- 238000002955 isolation Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000003949 liquefied natural gas Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000006200 vaporizer Substances 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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Abstract
The utility model discloses a booster pump for on gas supply unit, include: the pump body, the drive reversing device, the drive compression device, the drive cylinder tail cover, the compression cylinder tail cover and the partition plate; a driving reversing device is arranged on the left side of the upper end of the pump body; a driving compression device is arranged in the pump body, and the driving compression device and the driving reversing device are matched for use; the partition plate is arranged in the longitudinal middle of the driving compression device; the tail cover of the driving cylinder is arranged on the left side of the pump body; the compression cylinder tail cover is arranged on the right side of the pump body; and the tail cover of the driving cylinder and the tail cover of the compression cylinder are matched with the driving compression device. The utility model relates to a rationally, convenient to use, work efficiency is high, gives the natural gas pressure boost through the power that utilizes compressed air, overcomes original pressurization speed from the turbocharging system slowly, receives the big problem of environmental impact.
Description
Technical Field
The utility model belongs to the technical field of the booster pump technique and specifically relates to a booster pump for on gas feeder is related to.
Background
In the use process of the LNG automobile, the liquid level in the vehicle-mounted LNG cylinder is gradually reduced along with the consumption of fuel gas, and the pressure in the cylinder is also gradually reduced. If the pressure in the cylinder is lower than 0.6MPa, the air supply system can not meet the normal air supply requirement of the engine, and the vehicle is powered down and even stalled. At present, the vehicle-mounted LNG cylinder generally adopts a gasification pressurization self-pressurization mode, and the working principle is as follows: part of the liquefied natural gas is vaporized by the pressurizing vaporizer and then returns to the gas cylinder to achieve the purpose of pressurizing. The pressurizing mode has obvious defects: 1. the liquid inlet and the gas outlet of the pressure-increasing vaporizer are directly connected with the LNG cylinder, the inlet and the outlet have no pressure difference, and the flow is slow and uncontrollable. 2. The supercharger vaporizer needs to exchange heat with the environment, and the vaporization speed and the ambient temperature have great influence. 3. When the liquid level in the LNG gas cylinder is low, the gas space in the cylinder is large, the pressurization time is long, and at the moment, the vehicle is insufficient in power or needs to stop for waiting.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a booster pump for on gas feeder.
To achieve the above object, the present invention adopts the following:
a booster pump for use on a gas supply, comprising: the pump body, the drive reversing device, the drive compression device, the drive cylinder tail cover, the compression cylinder tail cover and the partition plate; a driving reversing device is arranged on the left side of the upper end of the pump body; a driving compression device is arranged in the pump body, and the driving compression device and the driving reversing device are matched for use; the partition plate is arranged in the longitudinal middle of the driving compression device; the tail cover of the driving cylinder is arranged on the left side of the pump body; the compression cylinder tail cover is arranged on the right side of the pump body; and the tail cover of the driving cylinder and the tail cover of the compression cylinder are matched with the driving compression device.
Preferably, the driving reversing device comprises a first connecting rod, a first ejector rod, a first driving bidirectional air port, a second ejector rod, a second connecting rod, a second driving bidirectional air port and a reversing shaft; the first connecting rod is arranged at the bottom end of the left side of the driving reversing device and extends into the tail cover of the driving cylinder; a first driving bidirectional air port is formed in the driving cylinder tail cover on the right side of the first connecting rod; a first ejector rod is arranged at the bottom ends of the first connecting rod and the first driving bidirectional air port, and the first ejector rod penetrates through the tail cover of the driving cylinder to be matched with the driving compression device; a second connecting rod is arranged at the bottom end of the right side of the driving reversing device, and the bottom end of the second connecting rod extends into the partition plate; a second driving bidirectional air port is formed in the partition plate on the right side of the second connecting rod; a second ejector rod is arranged at the bottom ends of the second connecting rod and the second driving bidirectional air port and penetrates through the partition plate to be matched with the driving compression device; a reversing shaft is arranged in the driving reversing device at the outer side of the second connecting rod, and the second connecting rod and the reversing shaft are matched for use
Preferably, the driving compression device comprises a driving cavity, a driving piston, a compression cavity, a compression piston and a push rod; the driving cavity comprises a first driving cavity and a second driving cavity; the compression cavities comprise a first compression cavity and a second compression cavity; a driving cavity is arranged on the left side of the partition plate; a compression cavity is arranged on the right side of the partition plate; a drive piston is arranged in the longitudinal direction of the interior of the drive chamber; a compression piston is arranged in the longitudinal direction of the interior of the compression cavity; a push rod is arranged in the middle of the right side of the driving piston, and the push rod extends rightwards to extend through the partition plate to be fixed in the middle of the compression piston; the left side driving cavity of the driving piston is a first driving cavity, and the right side of the driving piston is a second driving cavity; the left compression cavity of the compression piston is a second compression cavity, and the right compression cavity of the compression piston is a first compression cavity; the first driving bidirectional air port is matched with the first driving cavity, and the second driving bidirectional air port is matched with the second driving cavity; a first compression cavity one-way air inlet valve and a first compression cavity one-way air outlet valve are respectively arranged on the right side of the first compression cavity; and a one-way air inlet valve of the second compression cavity and a one-way air outlet valve of the second compression cavity are respectively arranged on the left side of the second compression cavity.
Preferably, the tail cover of the driving cylinder comprises a compressed air pressure adjusting knob, a natural gas pressure adjusting knob, a compressed air inlet, a natural gas inlet, a sealing isolation piston, a first stop valve core, a second stop valve core and a compressed air outlet; a first stop valve core and a second stop valve core are respectively arranged in the tail cover of the driving cylinder; a compressed air pressure adjusting knob is arranged on the left side of the first stop valve core, and a compressed air inlet is arranged on the right side of the first stop valve core; a compressed air outlet is formed in the bottom end of the tail cover of the driving cylinder and is communicated with a first stop valve core through a pipeline; a natural gas pressure adjusting knob is arranged on the left side of the second stop valve core, and a natural gas feed port is arranged on the right side of the second stop valve core; and a sealing isolation piston is arranged in the left pipeline of the natural gas inlet.
Preferably, the compression cylinder tail cover comprises a ventilation function plate, a variable-diameter spiral spring, a one-way valve core, a natural gas one-way air inlet, a natural gas one-way air outlet and a compression cylinder tail seat; the upper end of the tail seat of the compression cylinder is provided with a ventilation function plate; two pipelines are arranged inside the compression cylinder tailstock, one end of each pipeline is arranged on the upper side inside the compression cylinder tailstock, and the other end of each pipeline is arranged on the side face inside the compression cylinder tailstock; variable-diameter helical springs are respectively arranged in the upper ends of the two pipelines; a one-way valve core is arranged in the pipeline at the bottom end of the variable-diameter spiral spring; and the tail ends of the two pipelines are respectively provided with a natural gas one-way air inlet and a natural gas one-way air outlet.
Preferably, the driving compression device comprises a driving cavity, a compression cavity, a driving piston, a compression piston and a push rod; a compression piston is arranged in the longitudinal direction of the interior of the compression cavity; the compression cavity on the left side of the compression piston is a first compression cavity, and the compression cavity on the right side of the compression piston is a second compression cavity; the middle upper ends of the two sides of the compression cavity are respectively provided with a natural gas one-way air inlet; the middle lower ends of the two sides of the compression cavity are respectively provided with a natural gas one-way air outlet; a drive piston is arranged in the longitudinal direction of the interior of the drive chamber; the driving cavity on the left side of the driving piston is a first driving cavity, and the driving cavity on the right side of the driving piston is a second driving cavity; the middle upper ends of the two sides of the driving cavity are respectively provided with a compressed air bidirectional air port; the driving piston and the compression piston are connected through a push rod.
Preferably, the driving compression device comprises a compression cavity, a first driving cavity, a second driving cavity and a movable piston; moving pistons are respectively arranged in the longitudinal direction of two sides of the interior of the driving compression device; a cavity between the two movable pistons is a compression cavity; the left cavity of the left movable piston is a first driving cavity; the cavity of the right movable piston is a second driving cavity; two sides of the driving compression device are respectively provided with a compressed air bidirectional air port; and a natural gas one-way inlet and a natural gas one-way outlet are respectively arranged on two sides of the bottom end of the compression cavity.
Preferably, the driving compression device comprises a compression cavity, a compression piston, a push rod and a motor-driven reciprocating mechanism; a compression piston is arranged in the longitudinal direction of the interior of the drive chamber; the left compression cavity of the compression piston is a first compression cavity, and the right compression cavity of the compression piston is a second compression cavity; the upper ends of the two sides of the compression cavity are provided with natural gas one-way air inlets; the middle lower ends of the two sides of the compression cavity are respectively provided with a natural gas one-way air outlet; a motor-driven reciprocating mechanism is arranged on the right side of the compression cavity; the compression piston is connected with the motor-driven reciprocating mechanism through a push rod.
The utility model has the advantages of it is following:
the utility model relates to a rationally, convenient to use, work efficiency is high, gives the natural gas pressure boost through the power that utilizes compressed air, overcomes original pressurization speed from the turbocharging system slowly, receives the big problem of environmental impact.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a booster pump for a gas supply device of the present invention.
Fig. 2 is a schematic structural diagram of the tail cover of the driving cylinder of the present invention.
Fig. 3 is a schematic structural view of the tail cover of the compression cylinder of the present invention.
Fig. 4 is a schematic structural view of a second driving compression device according to the present invention.
Fig. 5 is a schematic structural diagram of a third driving compression device according to the present invention.
Fig. 6 is a schematic structural diagram of a fourth driving compression device according to the present invention.
In the figures, the various reference numbers are:
1-pump body, 2-drive reversing device, 21-connecting rod I, 22-ejector rod I, 23-drive two-way air port I, 24-ejector rod II, 25-connecting rod II, 26-drive two-way air port II, 27-reversing shaft, 3-drive compression device, 31-drive cavity, 32-compression cavity, 33-drive cavity I, 34-drive cavity II, 35-compression cavity I, 36-compression cavity II, 37-drive piston, 38-compression piston, 39-push rod, 310-compression cavity one-way air inlet valve, 311-compression cavity one-way air inlet valve, 312-compression cavity one-way air outlet valve, 313-compression cavity one-way air outlet valve II, 4-drive cylinder tail cover, 41-compression air pressure adjusting knob, 42-natural gas pressure adjusting knob, 43-first stop valve core, 44-second stop valve core, 45-compressed air inlet, 46-compressed air outlet, 47-sealed isolating piston, 48-natural gas inlet, 5-compression cylinder tail cover, 51-ventilation function plate, 52-variable diameter spiral spring, 53-one-way valve core, 54-natural gas one-way air inlet, 55-natural gas one-way air outlet, 56-compression cylinder tail seat, 57-pipeline, 6-partition plate, 7-natural gas one-way air inlet, 8-natural gas one-way air outlet, 9-compressed air two-way air outlet, 10-moving piston and 11-motor driving reciprocating mechanism.
Detailed Description
In order to illustrate the invention more clearly, the invention is further described below with reference to preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
As shown in fig. 1 to 4, a booster pump for use in a gas supply apparatus includes: the pump comprises a pump body 1, a driving reversing device 2, a driving compression device 3, a driving cylinder tail cover 4, a compression cylinder tail cover 5 and a partition plate 6; a driving reversing device 2 is arranged on the left side of the upper end of the pump body 1; a driving compression device 3 is arranged in the pump body 1, and the driving compression device 3 and the driving reversing device 2 are matched for use; the baffle 6 sets up in the vertical middle part of drive compressor arrangement 3, and the setting of driving cylinder tail-hood 4 is in the left side of the pump body 1, and the setting of compression cylinder tail-hood 5 is on the right side of the pump body 1, and matches the application between driving cylinder tail-hood 4 and the compression cylinder tail-hood 5 and the drive compressor arrangement 3.
The driving reversing device 2 comprises a first connecting rod 21, a first ejector rod 22, a first driving bidirectional air port 23, a second ejector rod 24, a second connecting rod 25, a second driving bidirectional air port 26 and a reversing shaft 27; the first connecting rod 21 is arranged at the bottom end of the left side of the driving reversing device 2, the first connecting rod 21 extends into the tail cover 4 of the driving cylinder, a first driving bidirectional air port 23 is formed in the tail cover 4 of the driving cylinder on the right side of the first connecting rod 21, a first ejector rod 22 is arranged at the bottom ends of the first connecting rod 21 and the first driving bidirectional air port 23, and the first ejector rod 22 penetrates through the tail cover 4 of the driving cylinder to be matched with the driving compression device 3 for application; set up No. two connecting rods 25 at the right side bottom of drive switching-over device 2, and the bottom of No. two connecting rods 25 extends to in the baffle 6, set up No. two drive two-way gas port 26 on the baffle 6 on No. two connecting rods 25's right side, set up No. two ejector pins 24 at the bottom of No. two connecting rods 25 and No. two drive two-way gas port 26, and No. two ejector pin 24 passes and cooperatees the application between baffle 6 and the drive compressor arrangement 3, set up reversing shaft 27 in the drive switching-over device 2 outside No. two connecting rods 25, and cooperate the use between No. two connecting rods 25 and reversing shaft 27.
The driving compression device 3 comprises a driving cavity 31, a driving piston 37, a compression cavity 32, a compression piston 38 and a push rod 39; the driving cavity 31 comprises a first driving cavity 33 and a second driving cavity 34, and the compression cavity 32 comprises a first compression cavity 35 and a second compression cavity 36; a driving cavity 31 is arranged at the left side of the partition plate 6, and a compression cavity 32 is arranged at the right side of the partition plate 6; a drive piston 37 is disposed in the inner longitudinal direction of the drive chamber 31, and a compression piston 38 is disposed in the inner longitudinal direction of the compression chamber 32; a push rod 39 is arranged at the right middle part of the driving piston 37, and the push rod 39 extends to the right to extend through the partition plate 6 and is fixed at the middle part of the compression piston 38; the left driving cavity 31 of the driving piston 37 is a first driving cavity 33, the right side is a second driving cavity 34, the left compression cavity 32 of the compression piston 38 is a second compression cavity 36, the right side is a first compression cavity 35, the first driving bidirectional air port 23 is matched with the first driving cavity 33, and the second driving bidirectional air port 26 is matched with the second driving cavity 34 for use; a first compression cavity one-way air inlet valve 310 and a first compression cavity one-way air outlet valve 312 are respectively arranged on the right side of the first compression cavity 35; and a second compression cavity one-way air inlet valve 311 and a second compression cavity one-way air outlet valve 313 are respectively arranged on the left side of the second compression cavity 36.
Compressed air is fed into the first drive chamber 33, the second drive chamber 34 is exhausted, the drive piston 37 moves to the right, and the natural gas in the first compression chamber 35 is compressed. When the compression piston 38 moves to the extreme position rightwards, the driving piston 37 touches the second ejector rod 24, the second ejector rod 24 pushes the reversing shaft 27 to move rightwards, the air inlet state is changed to the state that the first driving bidirectional air port 23 exhausts air, the second driving bidirectional air port 26 admits air, the driving piston 37 starts moving leftwards, and the natural gas in the second compression cavity 36 is compressed. When the compression piston 38 moves to the left to the extreme position, the first ejector rod 22 is triggered, the state of the air inlet is changed again, and the operation is repeated.
As shown in fig. 2, the driving cylinder tail cover 4 comprises a compressed air pressure adjusting knob 41, a natural gas pressure adjusting knob 42, a compressed air inlet 45, a natural gas inlet 48, a sealing isolation piston 47, a first stop valve core 43, a second stop valve core 44 and a compressed air outlet 46; a first stop valve core 43 and a second stop valve core 44 are respectively arranged in the tail cover 4 of the driving cylinder; a compressed air pressure adjusting knob 41 is arranged on the left side of the first cut-off valve core 43, and a compressed air inlet 45 is arranged on the right side; a compressed air outlet 46 is arranged at the bottom end of the tail cover 4 of the driving cylinder, and the compressed air outlet 46 is communicated with the first stop valve core 43 through a pipeline; a natural gas pressure adjusting knob 42 is arranged on the left side of the second stop valve core 44, and a natural gas inlet 48 is arranged on the right side; a seal isolation piston 47 is provided in the left-hand conduit of the natural gas inlet 48.
In order to ensure safety, the pressure of input compressed air and the pressure of output natural gas must be controlled, the utility model discloses integrated pressure feedback control system in the tail-hood. The natural gas inlet 48 is connected with the air outlet of the compression cylinder, and the compressed air inlet 45 is connected with vehicle-mounted high-pressure air. When the compressed air pressure is higher than the set lowest pressure, the compressed air pushes the first stop valve core 43 to move left, and the compressed air can pass through the first stop valve core 43. When the natural gas pressure is lower than the set pressure, the spring force is larger than the pressure of the natural gas on the sealing isolation piston 47, and the compressed air can pass through the second stop valve core 44 after moving right. When the pressure of the natural gas is greater than the set value, the spring force is less than the thrust of the natural gas to the sealing isolation piston 47, the sealing isolation piston 47 pushes the second stop valve core 44 to move left, and the compressed air passage is cut off. When the pressure of the compressed air is lower than the set value, the spring force is larger than the thrust of the compressed air to the stop valve core, the compressed air cannot push the first stop valve core 43 open, and the compressed air is cut off. The compression pump stops working. Namely, when the compressed air pressure is higher than the set pressure and the natural gas pressure is lower than the set pressure, the compressed air is conducted, and the booster pump starts to work. When one of the above conditions is not satisfied, the booster pump stops operating.
As shown in fig. 3, the compression cylinder tail cover 5 comprises a ventilation function plate 51, a variable diameter coil spring 52, a one-way valve core 53, a natural gas one-way air inlet 54, a natural gas one-way air outlet 55 and a compression cylinder tail seat 56; a ventilation function plate 51 is arranged at the upper end of the compression cylinder tailstock 56; two pipelines 57 are arranged inside the compression cylinder tail seat 56, one end of each pipeline 57 is arranged at the upper side inside the compression cylinder tail seat 56, and the other end of each pipeline 57 is arranged at the side inside the compression cylinder tail seat 56; the variable diameter coil springs 52 are respectively arranged in the upper ends of the two pipelines 57; a one-way valve core 53 is arranged in a pipeline 57 at the bottom end of the variable-diameter spiral spring 52; the tail ends of the two pipelines 57 are respectively provided with a natural gas one-way air inlet 54 and a natural gas one-way air outlet 55.
A natural gas one-way air inlet/outlet is arranged in the compression cavity 32, and a one-way valve is integrated in the tail cover of the compression cylinder, so that the space is saved. Under the push of the positive pressure, the check valve core 53 compresses the variable diameter coil spring 52 to move, and the valve is opened. Under the push of the reverse pressure, the one-way valve core 53 presses the vent hole, and the valve is closed.
As shown in fig. 4, the driving compression device 3 includes a driving chamber 31, a compression chamber 32, a driving piston 37, a compression piston 38, and a push rod 39; a compression piston 38 is arranged in the longitudinal direction of the interior of the compression chamber 32, and the compression chamber 32 on the left side of the compression piston 38 is a first compression chamber 35, and the compression chamber 36 on the right side thereof is a second compression chamber 36; the upper ends of the two sides of the compression cavity 32 are respectively provided with a natural gas one-way air inlet 54; the middle lower ends of the two sides of the compression cavity 32 are respectively provided with a natural gas one-way air outlet 55; a drive piston 37 is arranged in the inner longitudinal direction of the drive chamber 31; the drive chamber 31 on the left side of the drive piston 37 is the first drive chamber 33, and the right side is the second drive chamber 34; the upper ends of the two sides of the driving cavity 31 are respectively provided with a compressed air bidirectional air port 9; the drive piston 37 and the compression piston 38 are connected by a push rod 39
As shown in fig. 5, the driving compression device 3 includes a compression chamber 32, a first driving chamber 33, a second driving chamber 34 and the moving piston 10; the moving pistons 10 are respectively arranged in the longitudinal direction of the two sides of the interior of the driving compression device 3; the cavity between the two movable pistons 10 is a compression cavity 32; the left cavity of the left moving piston 10 is a first driving cavity 33; the cavity of the right movable piston 10 is a second driving cavity 34; two sides of the driving compression device 3 are respectively provided with a compressed air bidirectional air port 9; and a natural gas one-way inlet 7 and a natural gas one-way outlet 8 are respectively arranged on two sides of the bottom end of the compression cavity 32.
As shown in fig. 6, the driving compression device 3 includes a compression chamber 32, a compression piston 38, a push rod 39 and a motor-driven reciprocating mechanism 11; a compression piston 38 is arranged in the longitudinal direction of the interior of the driving chamber 32, and the left side compression chamber 32 of the compression piston 38 is a first compression chamber 35, and the right side compression chamber 36; the upper ends of the two sides of the compression cavity 32 are provided with natural gas one-way air inlets 7; the middle lower ends of the two sides of the compression cavity are respectively provided with a natural gas one-way air outlet 8; the motor driven reciprocating mechanism 11 is provided at the right side of the compression chamber 32, and the compression piston 38 is connected to the motor driven reciprocating mechanism 11 through a push rod 39.
When the vehicle-mounted air compressor is used, under the control of the driving reversing device, air enters or is discharged from the driving cavity in turn to push the driving piston, and meanwhile, the compression piston is driven to compress and boost the air in the compression cavity. The action process is as follows: compressed air is fed into the first drive chamber 33, the second drive chamber 34 is exhausted, the drive piston 37 moves to the right, and the natural gas in the first compression chamber 35 is compressed. When the compression piston 38 moves to the extreme position rightwards, the driving piston 37 touches the second ejector rod 24, the second ejector rod 24 pushes the reversing shaft 27 to move rightwards, the air inlet state is changed to the state that the first driving bidirectional air port 23 exhausts air, the second driving bidirectional air port 26 admits air, the driving piston 37 starts moving leftwards, and the natural gas in the second compression cavity 36 is compressed. When the compression piston 38 moves to the left to the extreme position, the first ejector rod 22 is triggered, the state of the air inlet is changed again, and the operation is repeated. The first compression cavity 35 and the second compression cavity 36 are respectively provided with a one-way air inlet and a one-way air outlet.
Assuming a compressed air pressure P1Natural gas original pressure P2Natural gas pressure P after compression3. Section S of cylinder diameter of driving cavityDriving deviceSection S of compression cylinder diameterThe pressure is applied to the inner wall of the cylinder,in the case of disregarding the friction resistance and the drive chamber exhaust back pressure, and neglecting the piston connecting shaft section, there is the following theoretical formula:
P3Spress and press＝P1SDriving device+P2SPress and press
The utility model discloses only need compressed air source as power input, no electronic equipment for LNG gas supply system security is higher. The piston action is controlled by a drive reversing device. In the state of fig. 1, the first drive chamber 33 is filled with air and the second drive chamber 34 is exhausted. Compression piston 38 will now move to the right (i.e., from drive chamber number one 33 to drive chamber number two 34) under the force of the compressed air. The right movement of the driving piston 37 to the limit position touches the second mandril 24 to drive the reversing shaft 27 to move to the right, the air inlet state is changed into the air inlet of the second driving cavity 34, the air outlet of the first driving cavity 33, the piston direction moves, and the reciprocating is carried out.
Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it is obvious for those skilled in the art to make other variations or changes based on the above descriptions, and all the embodiments cannot be exhausted here, and all the obvious variations or changes that belong to the technical solutions of the present invention are still in the protection scope of the present invention.
Claims (8)
1. A booster pump for use on a gas supply, comprising: the pump body, the drive reversing device, the drive compression device, the drive cylinder tail cover, the compression cylinder tail cover and the partition plate; a driving reversing device is arranged on the left side of the upper end of the pump body; a driving compression device is arranged in the pump body, and the driving compression device and the driving reversing device are matched for use; the partition plate is arranged in the longitudinal middle of the driving compression device; the tail cover of the driving cylinder is arranged on the left side of the pump body; the compression cylinder tail cover is arranged on the right side of the pump body; and the tail cover of the driving cylinder and the tail cover of the compression cylinder are matched with the driving compression device.
2. The booster pump for a gas supply device according to claim 1, wherein the drive reversing device includes a first connecting rod, a first ejector rod, a first drive bidirectional gas port, a second ejector rod, a second connecting rod, a second drive bidirectional gas port, and a reversing shaft; the first connecting rod is arranged at the bottom end of the left side of the driving reversing device and extends into the tail cover of the driving cylinder; a first driving bidirectional air port is formed in the driving cylinder tail cover on the right side of the first connecting rod; a first ejector rod is arranged at the bottom ends of the first connecting rod and the first driving bidirectional air port, and the first ejector rod penetrates through the tail cover of the driving cylinder to be matched with the driving compression device; a second connecting rod is arranged at the bottom end of the right side of the driving reversing device, and the bottom end of the second connecting rod extends into the partition plate; a second driving bidirectional air port is formed in the partition plate on the right side of the second connecting rod; a second ejector rod is arranged at the bottom ends of the second connecting rod and the second driving bidirectional air port and penetrates through the partition plate to be matched with the driving compression device; a reversing shaft is arranged in the driving reversing device on the outer side of the second connecting rod, and the second connecting rod and the reversing shaft are matched for use.
3. A booster pump for use on a gas supply as claimed in claim 2, wherein the drive compression means comprises a drive chamber, a drive piston, a compression chamber, a compression piston and a push rod; the driving cavity comprises a first driving cavity and a second driving cavity; the compression cavities comprise a first compression cavity and a second compression cavity; a driving cavity is arranged on the left side of the partition plate; a compression cavity is arranged on the right side of the partition plate; a drive piston is arranged in the longitudinal direction of the interior of the drive chamber; a compression piston is arranged in the longitudinal direction of the interior of the compression cavity; a push rod is arranged in the middle of the right side of the driving piston, and the push rod extends rightwards to extend through the partition plate to be fixed in the middle of the compression piston; the left side driving cavity of the driving piston is a first driving cavity, and the right side of the driving piston is a second driving cavity; the left compression cavity of the compression piston is a second compression cavity, and the right compression cavity of the compression piston is a first compression cavity; the first driving bidirectional air port is matched with the first driving cavity, and the second driving bidirectional air port is matched with the second driving cavity; a first compression cavity one-way air inlet valve and a first compression cavity one-way air outlet valve are respectively arranged on the right side of the first compression cavity; and a one-way air inlet valve of the second compression cavity and a one-way air outlet valve of the second compression cavity are respectively arranged on the left side of the second compression cavity.
4. The booster pump for the gas supply device according to claim 1, wherein the driving cylinder tail cover comprises a compressed air pressure adjusting knob, a natural gas pressure adjusting knob, a compressed air inlet, a natural gas inlet, a sealed isolating piston, a first stop valve core, a second stop valve core and a compressed air outlet; a first stop valve core and a second stop valve core are respectively arranged in the tail cover of the driving cylinder; a compressed air pressure adjusting knob is arranged on the left side of the first stop valve core, and a compressed air inlet is arranged on the right side of the first stop valve core; a compressed air outlet is formed in the bottom end of the tail cover of the driving cylinder and is communicated with a first stop valve core through a pipeline; a natural gas pressure adjusting knob is arranged on the left side of the second stop valve core, and a natural gas feed port is arranged on the right side of the second stop valve core; and a sealing isolation piston is arranged in the left pipeline of the natural gas inlet.
5. The booster pump for use on a gas supply device of claim 1, wherein the compression cylinder tail cap comprises a ventilation function plate, a variable diameter coil spring, a one-way valve core, a natural gas one-way gas inlet, a natural gas one-way gas outlet and a compression cylinder tail seat; the upper end of the tail seat of the compression cylinder is provided with a ventilation function plate; two pipelines are arranged inside the compression cylinder tailstock, one end of each pipeline is arranged on the upper side inside the compression cylinder tailstock, and the other end of each pipeline is arranged on the side face inside the compression cylinder tailstock; variable-diameter helical springs are respectively arranged in the upper ends of the two pipelines; a one-way valve core is arranged in the pipeline at the bottom end of the variable-diameter spiral spring; and the tail ends of the two pipelines are respectively provided with a natural gas one-way air inlet and a natural gas one-way air outlet.
6. A booster pump for use on a gas supply as claimed in claim 2, wherein the drive compressor means comprises a drive chamber, a compression chamber, a drive piston, a compression piston and a push rod; a compression piston is arranged in the longitudinal direction of the interior of the compression cavity; the compression cavity on the left side of the compression piston is a first compression cavity, and the compression cavity on the right side of the compression piston is a second compression cavity; the middle upper ends of the two sides of the compression cavity are respectively provided with a natural gas one-way air inlet; the middle lower ends of the two sides of the compression cavity are respectively provided with a natural gas one-way air outlet; a drive piston is arranged in the longitudinal direction of the interior of the drive chamber; the driving cavity on the left side of the driving piston is a first driving cavity, and the driving cavity on the right side of the driving piston is a second driving cavity; the middle upper ends of the two sides of the driving cavity are respectively provided with a compressed air bidirectional air port; the driving piston and the compression piston are connected through a push rod.
7. The booster pump for use on a gas supply as claimed in claim 2, wherein the drive compressing means comprises a compression chamber, a drive chamber number one, a drive chamber number two and a moving piston; moving pistons are respectively arranged in the longitudinal direction of two sides of the interior of the driving compression device; a cavity between the two movable pistons is a compression cavity; the left cavity of the left movable piston is a first driving cavity; the cavity of the right movable piston is a second driving cavity; two sides of the driving compression device are respectively provided with a compressed air bidirectional air port; and a natural gas one-way inlet and a natural gas one-way outlet are respectively arranged on two sides of the bottom end of the compression cavity.
8. A booster pump for a gas supply as claimed in claim 2, wherein the drive compressing means comprises a compression chamber, a compression piston, a push rod and a motor driven reciprocating mechanism; a compression piston is arranged in the longitudinal direction of the interior of the drive chamber; the left compression cavity of the compression piston is a first compression cavity, and the right compression cavity of the compression piston is a second compression cavity; the upper ends of the two sides of the compression cavity are provided with natural gas one-way air inlets; the middle lower ends of the two sides of the compression cavity are respectively provided with a natural gas one-way air outlet; a motor-driven reciprocating mechanism is arranged on the right side of the compression cavity; the compression piston is connected with the motor-driven reciprocating mechanism through a push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020506648.7U CN212202394U (en) | 2020-04-09 | 2020-04-09 | Booster pump for gas supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020506648.7U CN212202394U (en) | 2020-04-09 | 2020-04-09 | Booster pump for gas supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212202394U true CN212202394U (en) | 2020-12-22 |
Family
ID=73829342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020506648.7U Expired - Fee Related CN212202394U (en) | 2020-04-09 | 2020-04-09 | Booster pump for gas supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212202394U (en) |
-
2020
- 2020-04-09 CN CN202020506648.7U patent/CN212202394U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210205 Address after: 215000 1,2,3, north side of Chengyang highway, east of zhoujiaqiao, yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: Zhangjiagang Yinuo Energy Technology Co.,Ltd. Address before: Zhoujiaqiao, yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee before: SUZHOU MEIJIALE MACHINERY TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |