CN220551235U - Oil cylinder structure of plunger pump - Google Patents
Oil cylinder structure of plunger pump Download PDFInfo
- Publication number
- CN220551235U CN220551235U CN202322144968.9U CN202322144968U CN220551235U CN 220551235 U CN220551235 U CN 220551235U CN 202322144968 U CN202322144968 U CN 202322144968U CN 220551235 U CN220551235 U CN 220551235U
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- Prior art keywords
- oil
- cylinder
- exhaust valve
- oil cylinder
- plunger pump
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- 238000007599 discharging Methods 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 141
- 239000010687 lubricating oil Substances 0.000 abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000004140 cleaning Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000012535 impurity Substances 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
- 239000011148 porous material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model provides an oil cylinder structure of a plunger pump, and belongs to the technical field of plunger pumps. The plunger pump solves the problem that the pressure in the oil cylinder of the existing plunger pump rises. The oil cylinder structure of the plunger pump comprises an oil cylinder, wherein an exhaust valve assembly communicated with the inside of the oil cylinder is arranged on the oil cylinder, and when the pressure in the oil cylinder rises to a certain value, the exhaust valve assembly is opened to enable steam in the oil cylinder to be discharged outwards. This structure adopts and sets up the discharge valve subassembly back on the hydro-cylinder, can be effectual outwards discharge the steam in the hydro-cylinder, reduces the atmospheric pressure in the hydro-cylinder, reduces the risk that lubricating oil outwards revealed for plunger resistance that resets is less, extension plunger pump's life.
Description
Technical Field
The utility model belongs to the technical field of plunger pumps, and particularly relates to an oil cylinder structure of a plunger pump.
Background
The high-pressure washer is a machine for flushing the surface of an object by generating high-pressure water by a high-pressure plunger pump through a power device. It can strip dirt off and wash away to clean the surface of object. Because the high-pressure water column is used for cleaning dirt, the high-pressure cleaning is also one of the most scientific, economic and environment-friendly cleaning modes which are accepted worldwide. The plunger pump is an important device for distributing cleaning fluid in the high-pressure cleaning machine, the plunger pump comprises an oil cylinder, a transmission structure is arranged in the oil cylinder, lubricating oil is filled in the oil cylinder, after the plunger pump is used for a long time, the lubricating oil in the oil cylinder can be doped with impurities and water, when the plunger pump is in the running process, the transmission structure in the oil cylinder can rotate at a high speed, so that the problem of lubricating oil is raised, water in the lubricating oil is gasified, the air pressure in the oil cylinder is raised, the leakage of the lubricating oil in the oil cylinder is accelerated, the plunger reset resistance is increased, the plunger pump is easily damaged, and the service life of the plunger pump is shortened.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides an oil cylinder structure of a plunger pump, which aims to solve the technical problems that: how to solve the problem of the rise of the internal air pressure of the oil cylinder.
The aim of the utility model can be achieved by the following technical scheme:
the oil cylinder structure of the plunger pump comprises an oil cylinder and is characterized in that an exhaust valve assembly communicated with the inside of the oil cylinder is arranged on the oil cylinder, and when the pressure in the oil cylinder rises to a certain value, the exhaust valve assembly is opened to enable steam in the oil cylinder to be discharged outwards.
Working principle: when the plunger pump is in operation, the temperature of lubricating oil in the oil cylinder is increased, water in the lubricating oil is vaporized to form water vapor, the air pressure in the oil cylinder is increased, after the air pressure is increased to a certain value, the exhaust valve assembly is flushed away, the water vapor is discharged out of the oil cylinder through the exhaust valve assembly, and after the water vapor in the oil cylinder is discharged out, the air pressure in the oil cylinder is reduced, and the exhaust valve assembly is closed again. This structure adopts and sets up the discharge valve subassembly back on the hydro-cylinder, can be effectual outwards discharge the steam in the hydro-cylinder, reduces the atmospheric pressure in the hydro-cylinder, reduces the risk that lubricating oil outwards revealed for plunger resistance that resets is less, extension plunger pump's life.
In the cylinder structure of the plunger pump, the cylinder is provided with the oil filling hole communicated with the inside of the cylinder, the exhaust valve assembly comprises an exhaust valve plug, an exhaust valve support, a spring and a steel ball, the exhaust valve plug is provided with an opening end and a closed end, the opening end of the exhaust valve plug is inserted in the oil filling hole, the exhaust valve support is arranged in the exhaust valve plug, one end of the exhaust valve support, which faces the closed end, is provided with an exhaust hole I, the closed end is provided with an exhaust hole II, the spring is arranged in the exhaust valve support, and one end of the spring is propped against the steel ball to enable the steel ball to always have a trend of moving towards the opening end. Through the setting of this structure, after the atmospheric pressure in the hydro-cylinder rises to certain value, gas dashes out the steel ball, and the steel ball overcomes the effect of spring and removes towards blind end direction for the discharge valve support is linked together with the hydro-cylinder is inside, and the gas in the hydro-cylinder outwards discharges through discharge valve support, exhaust hole one and exhaust hole.
In the oil cylinder structure of the plunger pump, the exhaust valve assembly further comprises a dipstick, the dipstick is located in the oil cylinder, one end of the dipstick is provided with a connector, the connector is inserted into the opening end of the exhaust valve plug, an exhaust channel for communicating the exhaust valve support with the inside of the oil cylinder is formed in the connector, and the steel ball is located in the exhaust channel. Through the arrangement of the structure, the oil dipstick can be directly pulled out, and the oil quantity in the oil cylinder is obtained by observing the attachment position of the oil on the oil dipstick, so that the oil can be timely added or replaced into the oil cylinder; the steam with part of lubricating oil in the discharged gas can be partially adhered to the retention inner wall after encountering the inner walls of the exhaust channel and the exhaust valve bracket, and can flow into the cylinder when being discharged next time after being accumulated to a certain amount.
In the above-mentioned cylinder structure of the plunger pump, a dipstick seal ring is disposed between the outer sidewall of the connector and the inner sidewall of the vent valve plug. Through the setting of this structure, improve the sealed effect between connector and the discharge valve end cap, avoid leaking oil.
In the above-mentioned cylinder structure of the plunger pump, a plug sealing ring is arranged between the outer side wall of the exhaust valve plug and the hole wall of the oil filling hole. Through the setting of this structure, improve the sealed effect between the pore wall of tank filler hole and the discharge valve end cap, avoid leaking oil.
In the above-mentioned cylinder structure of the plunger pump, an oil window sealing ring is arranged between the transparent oil window and the outer side wall of the cylinder. Through the setting of this structure, improve the sealed effect between transparent oil window and the lateral wall of hydro-cylinder, avoid leaking oil.
In the oil cylinder structure of the plunger pump, an opening is formed in one side of the oil cylinder, a transparent oil window for plugging the opening is fixed on the outer side wall of the oil cylinder, and scales are arranged on the transparent oil window. Through the setting of this structure, can directly observe the oil mass in the hydro-cylinder through transparent oil window, the scale on the transparent oil window can directly perceivedly obtain specific oil mass.
In the oil cylinder structure of the plunger pump, the oil cylinder is connected with an oil discharging connector, the oil discharging connector is connected with an oil discharging pipe, and the outer end of the oil discharging pipe is connected with an oil discharging valve plug. Through the setting of this structure, after the inside oil mass of hydro-cylinder reduces, when the oiling of needs, open the discharge valve subassembly, open the oil extraction end cap, the inside remaining oil of hydro-cylinder and dregs thereof, discharge through the oil pipe that arranges, and the oil pipe that arranges is flexible hose, can be transparent hose.
In the oil cylinder structure of the plunger pump, an oil discharge sealing ring is arranged between the oil discharge joint and the inner wall of the oil cylinder. Through the setting of this structure, improved the sealed effect between the inner wall of oil extraction joint and hydro-cylinder.
Compared with the prior art, the oil cylinder structure of the plunger pump has the following advantages: this structure adopts and sets up the discharge valve subassembly back on the hydro-cylinder, can be effectual outwards discharge the steam in the hydro-cylinder, reduces the atmospheric pressure in the hydro-cylinder, reduces the risk that lubricating oil outwards revealed for plunger resistance that resets is less, extension plunger pump's life.
Drawings
Fig. 1 is a schematic cross-sectional view of embodiment 1 of the present utility model.
FIG. 2 is a schematic diagram of a second cross-sectional structure of embodiment 1 of the present utility model.
Fig. 3 is a schematic cross-sectional structure of an exhaust valve assembly according to embodiment 1 of the present utility model.
Fig. 4 is a schematic view of a partial exploded structure of embodiment 2 of the present utility model.
FIG. 5 is a third schematic sectional view of embodiment 2 of the present utility model.
In the figure, 1, an oil cylinder; 2. an exhaust valve assembly; 20. an exhaust valve plug; 200. an exhaust hole II; 21. an exhaust valve bracket; 210. an exhaust hole I; 22. a spring; 23. a steel ball; 24. a dipstick; 240. a connector; 241. an exhaust passage; 25. a dipstick seal ring; 26. a plug sealing ring; 3. a fuel filler hole; 4. an opening; 5. a transparent oil window; 6. an oil window sealing ring; 7. an oil discharge joint; 8. an oil drain pipe; 9. an oil drain valve plug; 10. and (5) discharging the oil sealing ring.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
Example 1
As shown in fig. 1 to 3, the oil cylinder structure of the plunger pump comprises an oil cylinder 1, wherein an exhaust valve assembly 2 communicated with the inside of the oil cylinder 1 is arranged on the oil cylinder 1, and when the pressure in the oil cylinder 1 rises to a certain value, the exhaust valve assembly 2 is opened to enable steam in the oil cylinder 1 to be discharged outwards. Specifically, the oil cylinder 1 is provided with the oil filling hole 3 communicated with the inside of the oil cylinder 1, the exhaust valve assembly 2 comprises an exhaust valve plug 20, an exhaust valve support 21, a spring 22 and a steel ball 23, the exhaust valve plug 20 is provided with an open end and a closed end, the open end of the exhaust valve plug 20 is inserted in the oil filling hole 3, a plug sealing ring 26 is arranged between the outer side wall of the exhaust valve plug 20 and the hole wall of the oil filling hole 3, the exhaust valve support 21 is arranged in the exhaust valve plug 20, one end of the exhaust valve support 21 facing the closed end is provided with an exhaust hole I210, the closed end is provided with an exhaust hole II 200, the spring 22 is arranged in the exhaust valve support 21, and one end of the spring 22 abuts against the steel ball 23 to enable the steel ball 23 to always have a trend of moving towards the open end. When the plunger pump is in operation, the temperature of lubricating oil in the oil cylinder 1 is increased, water in the lubricating oil is vaporized to form water vapor, the air pressure in the oil cylinder 1 is increased, after the air pressure is increased to a certain value, the air rushes away from the steel ball, the steel ball 23 moves towards the direction of the closed end under the action of the spring 22, so that the exhaust valve support 21 is communicated with the interior of the oil cylinder 1, the air in the oil cylinder 1 is discharged outwards through the exhaust valve support 21, the exhaust hole I210 and the exhaust hole II 200, and after the water vapor in the oil cylinder 1 is discharged outwards, the air pressure in the oil cylinder 1 is reduced, and the exhaust valve assembly 2 is closed again. This structure adopts and sets up discharge valve subassembly 2 back on hydro-cylinder 1, can be effectual outwards discharge the steam in the hydro-cylinder 1, reduces the atmospheric pressure in the hydro-cylinder 1, reduces the risk that lubricating oil outwards revealed for plunger reset resistance is less, extension plunger pump's life.
As shown in fig. 1, 2 and 3, the exhaust valve assembly 2 further includes a dipstick 24, the dipstick 24 is located in the oil cylinder 1, one end of the dipstick 24 is provided with a connector 240, the connector 240 is inserted in the opening end of the exhaust valve plug 20, a dipstick sealing ring 25 is disposed between the outer side wall of the connector 240 and the inner side wall of the exhaust valve plug 20, an exhaust channel 241 for communicating the exhaust valve bracket 21 with the interior of the oil cylinder 1 is provided in the connector 240, and the steel ball 23 is located in the exhaust channel 241. The dipstick 24 can be directly pulled out, the oil quantity in the oil cylinder 1 is obtained by observing the attachment position of the oil on the dipstick 24, and the steam with part of the lubricating oil in the discharged gas can be partially attached to the retention inner wall after encountering the inner walls of the exhaust channel 241 and the exhaust valve bracket 21, and can flow into the oil cylinder 1 when the gas is exhausted next time after being accumulated to a certain quantity.
As shown in fig. 1 and 2, an oil discharging joint 7 is connected to the oil cylinder 1, an oil discharging pipe 8 is connected to the oil discharging joint 7, an oil discharging valve plug 9 is connected to the outer end of the oil discharging pipe 8, and an oil discharging sealing ring 10 is arranged between the oil discharging joint 7 and the inner wall of the oil cylinder 1. After the oil quantity in the oil cylinder 1 is reduced, when oiling is needed, the exhaust valve assembly 2 is opened, the oil drain plug 9 is opened, residual oil in the oil cylinder 1 and residues thereof are discharged through the oil drain pipe 8, the oil drain pipe 8 is a flexible hose and can be a transparent hose, after the lubricating oil in the oil cylinder 1 is completely drained, the oil drain plug 9 is plugged back to the outer end of the oil drain pipe 8, then oiling is carried out in the oil cylinder through the oiling hole 3, and after the oil is filled up, the exhaust valve assembly 2 is filled back into the oiling hole 3.
Example 2
The present embodiment is basically the same as that of embodiment 1 described above, except that, as shown in fig. 4 and 5, instead of using a dipstick, an opening 4 is provided on one side of the oil cylinder 1, a transparent oil window 5 for blocking the opening 4 is fixed on the outer side wall of the oil cylinder 1, an oil window sealing ring 6 is provided between the transparent oil window 5 and the outer side wall of the oil cylinder 1, and scales are provided on the transparent oil window 5. The oil quantity in the oil cylinder 1 can be directly observed through the transparent oil window 5, and the specific oil quantity can be intuitively obtained through the scale on the transparent oil window 5, so that the oil can be timely added or replaced into the oil cylinder 1.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (9)
1. The utility model provides an oil cylinder structure of plunger pump, includes hydro-cylinder (1), its characterized in that, install on hydro-cylinder (1) with hydro-cylinder (1) inside be linked together discharge valve subassembly (2), when pressure in hydro-cylinder (1) rises to certain value, discharge valve subassembly (2) are opened and are made the steam in hydro-cylinder (1) outwards discharge.
2. The cylinder structure of a plunger pump according to claim 1, characterized in that the cylinder (1) has an oil filling hole (3) communicated with the inside of the cylinder (1), the exhaust valve assembly (2) comprises an exhaust valve plug (20), an exhaust valve support (21), a spring (22) and a steel ball (23), the exhaust valve plug (20) has an open end and a closed end, the open end of the exhaust valve plug (20) is inserted in the oil filling hole (3), the exhaust valve support (21) is arranged in the exhaust valve plug (20), one end of the exhaust valve support (21) facing the closed end is provided with an exhaust hole I (210), the closed end is provided with an exhaust hole II (200), the spring (22) is arranged in the exhaust valve support (21), and one end of the spring (22) abuts against the steel ball (23) to enable the steel ball (23) to always have a trend of moving towards the open end.
3. The cylinder structure of a plunger pump according to claim 2, wherein the exhaust valve assembly (2) further comprises a dipstick (24), the dipstick (24) is located in the cylinder (1), one end of the dipstick (24) is provided with a connector (240), the connector (240) is inserted into the opening end of the exhaust valve plug (20), the connector (240) is internally provided with an exhaust channel (241) for communicating the exhaust valve bracket (21) with the interior of the cylinder (1), and the steel ball (23) is located in the exhaust channel (241).
4. A cylinder structure of a plunger pump according to claim 3, characterized in that a dipstick seal (25) is arranged between the outer side wall of the connector (240) and the inner side wall of the vent valve plug (20).
5. The oil cylinder structure of the plunger pump according to claim 2, wherein a plug sealing ring (26) is arranged between the outer side wall of the exhaust valve plug (20) and the wall of the oil filling hole (3).
6. The oil cylinder structure of the plunger pump according to claim 1, wherein an opening (4) is formed in one side of the oil cylinder (1), a transparent oil window (5) for blocking the opening (4) is fixed on the outer side wall of the oil cylinder (1), and scales are formed on the transparent oil window (5).
7. The oil cylinder structure of the plunger pump according to claim 6, wherein an oil window sealing ring (6) is arranged between the transparent oil window (5) and the outer side wall of the oil cylinder (1).
8. The oil cylinder structure of the plunger pump according to claim 1, wherein an oil discharging connector (7) is connected to the oil cylinder (1), an oil discharging pipe (8) is connected to the oil discharging connector (7), and an oil discharging valve plug (9) is connected to the outer end of the oil discharging pipe (8).
9. The oil cylinder structure of the plunger pump according to claim 8, wherein an oil drain sealing ring (10) is arranged between the oil drain joint (7) and the inner wall of the oil cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322144968.9U CN220551235U (en) | 2023-08-09 | 2023-08-09 | Oil cylinder structure of plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322144968.9U CN220551235U (en) | 2023-08-09 | 2023-08-09 | Oil cylinder structure of plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220551235U true CN220551235U (en) | 2024-03-01 |
Family
ID=90002015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322144968.9U Active CN220551235U (en) | 2023-08-09 | 2023-08-09 | Oil cylinder structure of plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220551235U (en) |
-
2023
- 2023-08-09 CN CN202322144968.9U patent/CN220551235U/en active Active
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| GR01 | Patent grant | ||
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