CN221423359U - Variable high-pressure pump - Google Patents
Variable high-pressure pump Download PDFInfo
- Publication number
- CN221423359U CN221423359U CN202323270035.0U CN202323270035U CN221423359U CN 221423359 U CN221423359 U CN 221423359U CN 202323270035 U CN202323270035 U CN 202323270035U CN 221423359 U CN221423359 U CN 221423359U
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- seat
- pressure pump
- cylinder liner
- piston
- air inlet
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- 238000007789 sealing Methods 0.000 claims description 8
- 230000003139 buffering effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 17
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model provides a variable high-pressure pump, includes outermost cylinder liner, is provided with multistage piston and multistage cylinder liner in the outermost cylinder liner, and the cylinder block is installed to outermost cylinder liner upper end, and the crankcase is installed to the lower extreme, is provided with bent axle and connecting rod in the crankcase, the side processing of cylinder block has the air inlet, in the air inlet below led to outermost cylinder liner, the one-level valve block that admits air is installed to the air inlet below, installs the regulation double-screw bolt on the air inlet, and the regulation double-screw bolt is towards one-level valve block, and the regulation double-screw bolt changes the high-pressure pump progression through propping one-level valve block that admits air, be provided with one-level piston in the outermost cylinder liner, be provided with the second grade cylinder liner in the one-level piston, be provided with the buffer air chamber between one-level piston and the second grade cylinder liner and cooperate with variable high-pressure pump. The utility model can change the stage number of the high-pressure pump by adjusting the stud top support air inlet valve, so that the high-pressure pump can adapt to different compressed gases, and meanwhile, a buffer air cavity is arranged between the primary piston and the secondary cylinder sleeve and is matched with the variable high-pressure pump.
Description
Technical Field
The utility model relates to the technical field of high-pressure pumps, in particular to a variable-stage high-pressure pump.
Background
The high-pressure pump is an air charging device, which can be divided into a single-stage piston pump and a multi-stage piston pump according to the number of internal piston pumps, and for working efficiency, the efficiency of the multi-stage piston pump is higher, and for the multi-stage piston pump, such as a four-stage piston pump and a three-stage piston pump, the application environment of the four-stage piston pump is different, the four-stage piston pump is suitable for standard air pressure, the three-stage piston pump is suitable for air with pressure, such as manufactured nitrogen, at present, the multi-stage piston pumps of the market are all suitable independently, and the stage number of the pumps cannot be adjusted, so that different high-pressure pumps also need to be replaced after compressed air is replaced.
Disclosure of utility model
The technical problem to be solved by the present utility model is to provide a variable-stage high-pressure pump, which aims at the defects of the prior art. In order to solve the technical problems, the utility model adopts the following technical scheme:
The utility model provides a variable high-pressure pump, includes outermost cylinder liner, is provided with multistage piston and multistage cylinder liner in the outermost cylinder liner, and the cylinder block is installed to outermost cylinder liner upper end, and the crankcase is installed to the lower extreme, is provided with interconnect's bent axle and connecting rod in the crankcase, the side processing of cylinder block has the air inlet, in the air inlet below led to outermost cylinder liner, the one-level valve block of admitting air is installed to the air inlet below, installs the regulation double-screw bolt on the air inlet, and the regulation double-screw bolt is towards one-level valve block, and the regulation double-screw bolt changes the high-pressure pump progression through propping one-level valve block, be provided with one-level piston in the outermost cylinder liner, be provided with the second grade cylinder liner in the one-level piston, be provided with between one-level piston and the second grade cylinder liner and cache air cavity and variable high-pressure pump cooperation use.
Further, the first-stage piston comprises a first-stage piston seat, an air cavity pipe and a lower fixing seat, the air cavity pipe is arranged in the outermost cylinder sleeve, the first-stage piston seat and the lower fixing seat are respectively arranged at the upper end and the lower end of the air cavity pipe, a first-stage air inlet is arranged on the first-stage piston seat and communicated with the cache air cavity, and a first-stage air storage one-way valve plate is arranged at the bottom of the first-stage air inlet.
Further, the bottom of the lower fixing seat is connected with a mounting seat, a fixed pin shaft is arranged on the mounting seat, and one end of the connecting rod is connected with the fixed pin shaft.
Further, an adjusting seat is screwed on the cylinder seat, an adjusting stud is screwed on the adjusting seat, a first sealing ring is arranged between the adjusting seat and the cylinder seat, and a second sealing ring is arranged between the adjusting stud and the adjusting seat.
Furthermore, a straight groove is formed in the upper end of the adjusting stud.
Further, a high-pressure air outlet is formed in one side of the cylinder seat, and a high-pressure one-way valve is arranged on the side face of the high-pressure air outlet.
Compared with the prior art, the variable high-pressure pump has the advantages that the number of stages of the high-pressure pump can be changed by adjusting the stud top support air inlet valve, so that the variable high-pressure pump can adapt to different compressed gases, and meanwhile, the buffer air cavity is arranged between the primary piston and the secondary cylinder sleeve and is matched with the variable high-pressure pump.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the operation of the present utility model;
Wherein 1, a first-stage cylinder sleeve, 2, a first-stage piston, 3, a second-stage cylinder sleeve, 4, a second-stage piston, 5, a third-stage cylinder sleeve, 6, a third-stage piston, 7, a high-pressure pipe, 8, a high-pressure rod, 9, a cylinder seat, 10, a crankcase, 11, a crankshaft, 12, a connecting rod, 13, an air inlet, 14, a high-pressure air outlet, 15, a high-pressure check valve, 16, a high-pressure piston, 17 and a high-pressure valve core, 18, a first-stage air inlet valve plate, 19, an adjusting stud, 20, an adjusting seat, 21, a first sealing ring, 22, a second sealing ring, 23, a buffer air cavity, 24, a piston seat, 25, an air cavity pipe, 26, a lower fixing seat, 27, a first-stage air storage one-way valve plate, 28, a fixing pin, 29, a second-stage valve seat, 30, a second-stage air inlet valve plate, 31, a second-stage piston seat, 32 and a third-stage one-way valve.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below.
Examples
As shown in fig. 1, a variable high-pressure pump comprises an outermost cylinder liner, the outermost cylinder liner is a first-stage cylinder liner 1, a multistage piston and a multistage cylinder liner are arranged in the first-stage cylinder liner 1, in the embodiment, a first-stage piston 2 is arranged in the first-stage cylinder liner 1, a second-stage cylinder liner 3 is arranged in the first-stage piston 2, a second-stage piston 4 is arranged in the second-stage cylinder liner 3, a third-stage cylinder liner 5 is arranged on the second-stage piston 4, a third-stage piston 6 is arranged outside the third-stage cylinder liner 5, a high-pressure pipe 7 is arranged inside the third-stage cylinder liner 5, a high-pressure rod 8 is arranged in the high-pressure pipe 7, a cylinder seat 9 is arranged at the upper end of the first-stage cylinder liner 1, a crank case 10 is arranged at the lower end of the first-stage cylinder liner 1, a motor is arranged inside the crank case 11 and a connecting rod 12 which are connected with each other, and the motor is connected with the crank case 12 to drive the piston inside the high-pressure pump.
The side of the cylinder seat 9 is respectively provided with an air inlet 13 and a high-pressure air outlet 14, the lower part of the air inlet 13 is led into the first-stage cylinder sleeve 1, the high-pressure pipe 7 is communicated with the high-pressure air outlet 14, a high-pressure check valve 15 is arranged between the high-pressure pipe 7 and the high-pressure air outlet 14, the high-pressure check valve 15 is positioned on the side of the high-pressure air outlet 14, in the working process of the high-pressure pump, the air inlet 13 is subjected to air inlet, after the internal piston of the pump is compressed for a plurality of times, the high-pressure rod 8 compresses air from the high-pressure air outlet 14, the high-pressure piston 16 is arranged on the high-pressure rod 8, the end part of the high-pressure piston 16 is provided with a high-pressure valve core 17, and when the pressure breaks through the high-pressure valve core 17, the air is compressed from the high-pressure piston 16.
In order to realize the stage number switching of the high-pressure pump so as to adapt to different gases, in the embodiment, the high-pressure pump is switched between three stages and four stages, a first-stage air inlet valve block 18 is arranged below the air inlet 13, an adjusting stud 19 is arranged on the air inlet 13, the adjusting stud 19 is connected to the cylinder seat 9 through an adjusting seat 20, the adjusting stud 19 faces the first-stage air inlet valve block 18, the adjusting stud 19 changes the stage number of the high-pressure pump by propping up the first-stage air inlet valve 18, when the high-pressure pump is in normal use, the adjusting stud 19 is retracted, the air pump belongs to a four-stage compression state, air can be rapidly compressed, if some special gases are pressurized, one end of the adjusting stud 19 stretches out to prop against the first-stage air inlet valve 18, so that the first-stage air inlet valve 18 is disabled, and the high-pressure pump can be changed into a three-stage compression state to pressurize some gases with pressure.
In this embodiment, a threaded hole is machined above the air inlet 13, the adjusting seat 20 is screwed on the threaded hole, a first sealing ring 21 is arranged between the adjusting seat 20 and the cylinder seat 9, the adjusting seat 20 is also machined with a threaded hole, the adjusting stud 19 is screwed in the threaded hole of the adjusting seat 20, a straight slot is machined at the upper end of the adjusting stud 19, screwing is facilitated, and a second sealing ring 22 is arranged between the adjusting stud 19 and the adjusting seat 20.
Because the compression directions of the primary cylinder and the secondary cylinder are the same, a buffer air cavity 23 is arranged between the primary piston 2 and the secondary cylinder sleeve 3 and is matched with the variable high-pressure pump.
The primary piston 2 comprises a primary piston seat 24, an air cavity pipe 25 and a lower fixing seat 26, the air cavity pipe 25 is arranged in the primary cylinder sleeve 1, the primary piston seat 24 and the lower fixing seat 26 are respectively arranged at the upper end and the lower end of the air cavity pipe 25, a primary air inlet is arranged on the primary piston seat 24 and communicated with the cache air cavity 23, a primary air storage one-way valve plate 27 is arranged at the bottom of the primary air inlet, an installation seat is connected at the bottom of the lower fixing seat 26, a fixed pin shaft 28 is arranged on the installation seat, and one end of the connecting rod 12 is connected with the fixed pin shaft 28.
The lower fixing seat 26 is internally provided with a second-stage valve seat 29, the second-stage cylinder sleeve 3 is arranged between the second-stage valve seat 29 and the first-stage piston seat 24, the second-stage valve seat 29 is provided with a second-stage air inlet, the second-stage air inlet is communicated with the cache air cavity 23, the second-stage air inlet is provided with a second-stage air inlet valve plate 30, the second-stage piston 4 comprises a second-stage piston seat 31, the second-stage piston seat 31 is arranged in the second-stage cylinder sleeve 3, the second-stage piston seat 31 is provided with a third-stage air inlet, the third-stage air inlet is provided with a third-stage one-way valve 32, the third-stage cylinder sleeve 5 is arranged between the second-stage piston seat 31 and the cylinder seat 9, the third-stage piston 6 is arranged at a position between the third-stage cylinder sleeve 5 and the second-stage cylinder sleeve 3, the inside of the third-stage cylinder is communicated with the third-stage air inlet and is connected into the high-pressure pipe 7, and the high-pressure rod in the high-pressure pipe 7 passes through the second-stage piston seat 31 to be connected with the second-stage valve seat 29.
As shown in fig. 2, the crankshaft drives the piston to reciprocate through the connecting rod, gas enters the first-stage cylinder through the gas inlet, the gas after compression of the first-stage cylinder enters the buffer gas cavity, the gas in the buffer gas cavity after the movement of the piston enters the second-stage cylinder, the gas after compression of the second-stage cylinder enters the third-stage cylinder, the gas after compression of the third-stage cylinder enters the high-pressure cylinder, the compressed gas of the high-pressure cylinder is output through the one-way valve, and when some special gases are pressurized, the adjusting stud on the cylinder seat is screwed to the bottom, one end of the adjusting stud props against the valve plate to enable the gas pump to be in a third-stage compression state, and some gases with pressure can be pressurized.
The utility model is not limited to the embodiments described, but a person skilled in the art may make modifications or changes without departing from the spirit of the utility model, i.e. the scope of the disclosure, and the scope of the utility model is defined by the claims.
Claims (6)
1. The utility model provides a variable high-pressure pump, includes outermost cylinder liner, is provided with multistage piston and multistage cylinder liner in the outermost cylinder liner, and cylinder block is installed to outermost cylinder liner upper end, and the crankcase is installed to the lower extreme, is provided with interconnect's bent axle and connecting rod in the crankcase, its characterized in that: the side processing of cylinder block has the air inlet, and in the air inlet below led to the outmost cylinder liner, the one-level valve block that admits air is installed to the air inlet below, installs the regulation double-screw bolt on the air inlet, and the regulation double-screw bolt is towards one-level valve block that admits air, and the regulation double-screw bolt changes the high-pressure pump progression through propping one-level valve block, be provided with one-level piston in the outmost cylinder liner, be provided with the second grade cylinder liner in the one-level piston, be provided with the cooperation of buffering air cavity and variable high-pressure pump between one-level piston and the second grade cylinder liner and use.
2. A variable-stage high-pressure pump according to claim 1, characterized in that: the primary piston comprises a primary piston seat, an air cavity pipe and a lower fixing seat, the air cavity pipe is arranged in the outermost cylinder sleeve, the primary piston seat and the lower fixing seat are respectively arranged at the upper end and the lower end of the air cavity pipe, a primary air inlet is arranged on the primary piston seat and communicated with the cache air cavity, and a primary air storage one-way valve plate is arranged at the bottom of the primary air inlet.
3. A variable-stage high-pressure pump according to claim 2, characterized in that: the bottom of the lower fixing seat is connected with a mounting seat, a fixed pin shaft is arranged on the mounting seat, and one end of the connecting rod is connected with the fixed pin shaft.
4. A variable-stage high-pressure pump according to claim 1, characterized in that: the cylinder seat is screwed with an adjusting seat, the adjusting stud is screwed on the adjusting seat, a first sealing ring is arranged between the adjusting seat and the cylinder seat, and a second sealing ring is arranged between the adjusting stud and the adjusting seat.
5. A variable-stage high-pressure pump according to claim 1, characterized in that: the upper end of the adjusting stud is provided with a straight slot.
6. A variable-stage high-pressure pump according to claim 1, characterized in that: a high-pressure air outlet is formed in one side of the cylinder seat, and a high-pressure one-way valve is arranged on the side face of the high-pressure air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323270035.0U CN221423359U (en) | 2023-12-01 | 2023-12-01 | Variable high-pressure pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323270035.0U CN221423359U (en) | 2023-12-01 | 2023-12-01 | Variable high-pressure pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221423359U true CN221423359U (en) | 2024-07-26 |
Family
ID=91976945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323270035.0U Active CN221423359U (en) | 2023-12-01 | 2023-12-01 | Variable high-pressure pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221423359U (en) |
-
2023
- 2023-12-01 CN CN202323270035.0U patent/CN221423359U/en active Active
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