High-pressure full-balance low-noise ceramic plunger pump for high-pressure cleaning machine tool
By adopting a concave design and filter in the high-pressure fully balanced low-noise ceramic plunger pump of high-pressure cleaning machine tools, the inconvenient problem caused by the accumulation of hydraulic oil impurities is solved, and the useless cleaning and good lubrication effect is achieved.
Patent Information
- Application Number
- CN202422500781.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-16
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-10-16
AI Technical Summary
After use for a period of time, the high-pressure fully balanced low-noise plunger pump of existing high-pressure cleaning machine tools is easily accumulated and blocked by impurities in the hydraulic oil, resulting in inconvenient use and requires overall disassembly and cleaning.
A high-pressure fully balanced low-noise ceramic plunger pump including power end, pump cylinder components, filter, crankshaft, lubricating oil pump and coupling is designed. The concave power end design allows impurities to accumulate at the bottom of the inner cavity and discharge through the oil discharge port. The impurity filtering is combined with the lubricating oil pump and filter to avoid disassembly and cleaning.
It can clean impurities without removing the power end, ensure good lubrication between the crankshaft and the bearing shell, improve the convenience of use and the operation stability of the pump.
Smart Images
Figure CN223062638U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plunger pumps, in particular to a high-pressure fully balanced low-noise ceramic plunger pump for a high-pressure cleaning machine tool. Background Art
[0002] The high-pressure fully balanced low-noise plunger pump of a high-pressure cleaning machine tool is a kind of reciprocating pump and belongs to a positive-displacement pump. Its plunger is driven by the eccentric rotation of the pump shaft to reciprocate, and its suction and discharge valves are both one-way valves. The plunger pump relies on the reciprocating movement of the plunger in the cylinder block to change the volume of the sealed working chamber to achieve oil suction and oil pressure.
[0003] At present, after the high-pressure fully balanced low-noise plunger pump of the existing high-pressure cleaning machine tool is used for a period of time, impurities in the hydraulic oil are easy to accumulate and block the pump body, affecting the normal use of the pump body and being difficult to clean. It is necessary to disassemble the pump body as a whole, which is inconvenient to use. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a high-pressure fully balanced low-noise ceramic plunger pump for a high-pressure cleaning machine tool, aiming to solve the problems that the existing plunger pump is easy to accumulate impurities in the hydraulic oil, needs to disassemble the pump body for cleaning, and is inconvenient to use.
[0005] To achieve the above purpose, the utility model provides a high-pressure fully balanced low-noise ceramic plunger pump for a high-pressure cleaning machine tool, which includes a power end, a pump cylinder component, a filter, a crankshaft, a lubricating oil pump and a coupling; the pump cylinder component is arranged on one side of the power end, the lubricating oil pump is communicated with the power end and is located outside the power end, the filter is fixedly connected with the lubricating oil pump and is located on the top of the lubricating oil pump, the coupling is arranged on one side of the lubricating oil pump, the crankshaft is fixedly connected with the coupling and is located on the side of the coupling away from the lubricating oil pump, the power end has an oil discharge port, and the oil discharge port is located at the bottom of the power end.
[0006] Wherein, the unbalanced mass of the crankshaft is controlled within 20 g.
[0007] Wherein, the crankshaft has a lubricating oil hole, and the lubricating oil hole is located on the crankshaft.
[0008] Wherein, the power end has a groove, and the groove is located on the side of the power end close to the pump cylinder component.
[0009] Wherein, the high-pressure fully balanced low-noise ceramic plunger pump for a high-pressure cleaning machine tool further includes an end cover, and the end cover is arranged between the power end and the pump cylinder component.
[0010] A high-pressure fully balanced low-noise ceramic plunger pump for a high-pressure cleaning machine tool of the present utility model. The power end is used to drive the crankshaft. The crankshaft acts and then drives the pump cylinder component to act. The inner cavity of the power end is designed in a concave shape, so that impurities remaining in the hydraulic oil accumulate at the bottom of the inner cavity and can be discharged from the power end through the oil drain port, thus eliminating the need to disassemble the power end to clean the impurities. A coupling is provided for connecting the crankshaft and the lubricating oil pump, directly driving the lubricating oil pump to rotate and pump oil. The inlet of the lubricating oil pump is located at the bottom of the high-pressure pump oil cavity, and the outlet of the lubricating oil pump is provided with the filter. The filter circulates and filters the lubricating oil in the lubricating oil cavity to remove impurities therein, preventing impurities from being generated during the operation of the high-pressure pump and damaging the friction pair in the high-pressure pump, enabling better lubrication between the crankshaft and the bearing bush, and solving the problems of the existing plunger pump being prone to accumulating impurities in the hydraulic oil, requiring the pump body to be disassembled for cleaning, and being inconvenient to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art.
[0012] Figure 1 FIG. is a side view of a high-pressure fully balanced low-noise ceramic plunger pump for a high-pressure cleaning machine tool of the present utility model.
[0013] Figure 2 FIG. Figure 1 is a cross-sectional view along the A-A plane.
[0014] Figure 3 FIG. is a cross-sectional view of the power end of a high-pressure fully balanced low-noise ceramic plunger pump for a high-pressure cleaning machine tool of the present utility model.
[0015] Figure 4 FIG. is a side view of a high-pressure fully balanced low-noise ceramic plunger pump for a high-pressure cleaning machine tool of the present utility model in another direction.
[0016] Figure 5 FIG. is a cross-sectional view of the crankshaft of a high-pressure fully balanced low-noise ceramic plunger pump for a high-pressure cleaning machine tool of the present utility model.
[0017] Figure 6 FIG. is a schematic diagram of the end cover of a high-pressure fully balanced low-noise ceramic plunger pump for a high-pressure cleaning machine tool of the present utility model.
[0018] In the figure: 1 - power end, 2 - pump cylinder component, 3 - filter, 4 - crankshaft, 5 - lubricating oil pump, 6 - coupling, 7 - oil drain port, 8 - lubricating oil hole, 9 - groove, 10 - end cover. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0019] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present utility model, and should not be construed as a limitation to the present utility model.
[0020] Please refer to Figures 1 to 6 , the present utility model provides a high-pressure fully balanced low-noise ceramic plunger pump for a high-pressure cleaning machine tool, which includes a power end 1, a pump cylinder component 2, a filter 3, a crankshaft 4, a lubricating oil pump 5 and a coupling 6; the pump cylinder component 2 is arranged on one side of the power end 1, the lubricating oil pump 5 is communicated with the power end 1 and is located outside the power end 1, the filter 3 is fixedly connected to the lubricating oil pump 5 and is located on the top of the lubricating oil pump 5, the coupling 6 is arranged on one side of the lubricating oil pump 5, the crankshaft 4 is fixedly connected to the coupling 6 and is located on the side of the coupling 6 away from the lubricating oil pump 5, the power end 1 has an oil drain port 7, and the oil drain port 7 is located at the bottom of the power end 1.
[0021] In this embodiment, the power end 1 is used to drive the crankshaft 4, the crankshaft 4 acts and then drives the pump cylinder component 2 to act. The inner cavity of the power end 1 adopts an inner concave design, so that impurities remaining in the hydraulic oil accumulate at the bottom of the inner cavity and can be discharged from the power end 1 through the oil drain port 7, thus eliminating the need to disassemble the power end 1 to clean the impurities. Due to the setting of the coupling 6, it is used for the connection between the crankshaft 4 and the lubricating oil pump 5 and directly drives the lubricating oil pump 5 to rotate and pump oil. The inlet of the lubricating oil pump 5 is located at the bottom of the high-pressure pump oil cavity, and the outlet of the lubricating oil pump 5 is provided with the filter 3; the filter 3 circulates and filters the lubricating oil in the lubricating oil cavity to remove the impurities therein, preventing impurities from being generated during the operation of the high-pressure pump and damaging the friction pairs in the high-pressure pump, enabling better lubrication between the crankshaft 4 and the bearing bush, and solving the problem that impurities in the hydraulic oil of the existing plunger pump are prone to accumulate and the pump body needs to be disassembled for cleaning, which is inconvenient to use.
[0022] Furthermore, the unbalanced mass of the crankshaft 4 is controlled within 20 g.
[0023] In this embodiment, the crankshaft 4 adopts a fully balanced design, the unbalanced mass of the crankshaft 4 is controlled within 20 g, and corresponding masses are matched on both sides of each crank for balance. For the convenience of processing, the middle part of the balancing mass is cylindrical.
[0024] Furthermore, the crankshaft 4 has a lubricating oil hole 8, and the lubricating oil hole 8 is located on the crankshaft 4.
[0025] In this embodiment, the outlet of the filter 3 is directly communicated with the central hole of the crankshaft 4. Lubricating oil holes 8 are provided at three crank throws of the crankshaft 4, and the diameter of the lubricating oil hole 8 is larger the closer it is to the power input end of the high-pressure pump. The high-pressure oil pumped out by the lubricating oil pump 5 is directly delivered between the crankshaft 4 and the bearing bush, so that the lubrication effect between the crankshaft 4 and the bearing bush is better.
[0026] Further, the power end 1 has a groove 9, and the groove 9 is located on the side of the power end 1 close to the pump cylinder component 2.
[0027] In this embodiment, the provision of the groove 9 facilitates the installation and disassembly of the bearing bush, ensures stable operation, facilitates the installation of the bearing bush, and is also conducive to reducing the volume of the whole pump.
[0028] Further, the high-pressure fully balanced low-noise ceramic plunger pump for a high-pressure cleaning machine tool further includes an end cover 10, and the end cover 10 is arranged between the power end 1 and the pump cylinder component 2.
[0029] In this embodiment, the provision of the end cover 10 is used for double sealing between the power end 1 and the pump cylinder component 2 to prevent high-pressure water from entering the power end 1.
[0030] The above-disclosed is only a preferred embodiment of a high-pressure fully balanced low-noise ceramic plunger pump for a high-pressure cleaning machine tool of the present application, and the scope of rights of the present application cannot be limited thereby. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present application still fall within the scope covered by the present application.
Claims
1. A high-pressure fully balanced low-noise ceramic plunger pump for a high-pressure cleaning machine tool, characterized in that it includes a power end, a pump cylinder component, a filter, a crankshaft, a lubricating oil pump and a coupling; the pump cylinder component is arranged on one side of the power end, the lubricating oil pump is communicated with the power end and is located outside the power end, the filter is fixedly connected to the lubricating oil pump and is located on the top of the lubricating oil pump, the coupling is arranged on one side of the lubricating oil pump, the crankshaft is fixedly connected to the coupling and is located on the side of the coupling away from the lubricating oil pump, the power end has an oil drain port, and the oil drain port is located at the bottom of the power end.
2. The high-pressure fully balanced low-noise ceramic plunger pump for a high-pressure cleaning machine tool according to claim 1, characterized in that the unbalanced mass of the crankshaft is controlled within 20 g.
3. The high-pressure fully balanced low-noise ceramic plunger pump for a high-pressure cleaning machine tool according to claim 1, characterized in that the crankshaft has a lubricating oil hole, and the lubricating oil hole is located on the crankshaft.
4. The high-pressure fully balanced low-noise ceramic plunger pump for a high-pressure cleaning machine tool according to claim 1, characterized in that the power end has a groove, and the groove is located on the side of the power end close to the pump cylinder component.
5. The high-pressure fully balanced low-noise ceramic plunger pump for a high-pressure cleaning machine tool according to claim 1, characterized in that the high-pressure fully balanced low-noise ceramic plunger pump for a high-pressure cleaning machine tool further includes an end cover, and the end cover is arranged between the power end and the pump cylinder component.