CN218882495U - Plunger pump emptying structure - Google Patents
Plunger pump emptying structure Download PDFInfo
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- CN218882495U CN218882495U CN202223341134.9U CN202223341134U CN218882495U CN 218882495 U CN218882495 U CN 218882495U CN 202223341134 U CN202223341134 U CN 202223341134U CN 218882495 U CN218882495 U CN 218882495U
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Abstract
The utility model discloses a plunger pump emptying structure, which relates to the technical field of oil pump working equipment and comprises an oil storage mechanism, wherein the oil storage mechanism is provided with an oil filling port; the oil storage and exhaust mechanism is connected with the oil storage mechanism and is connected with a pressurizing mechanism; the oil storage and exhaust mechanism is provided with an oil injection connecting pipe, one end of the oil injection connecting pipe is connected with the oil storage and exhaust mechanism, and the other end of the oil injection connecting pipe is connected with a plunger pump to be filled with oil; the oil liquid of the oil storage mechanism is pre-input into the oil storage exhaust mechanism. According to the utility model discloses a plunger pump evacuation structure, when oil storage mechanism fills fluid in advance in toward oil storage exhaust mechanism, can be to the air escape in the oil storage exhaust mechanism, the rethread oiling is taken over and is connected with plunger pump oil chamber and the disposable fluid of pouring into of ration. Effectively prevent to annotate the liquid process infiltration air, the oiling time spent is short, reduces the evacuation cost, promotes work efficiency. And can prevent that fluid spill from leading to environmental pollution or causing the waste, environmental protection more.
Description
Technical Field
The utility model relates to an oil pump working equipment technical field, in particular to plunger pump evacuation structure.
Background
In the manufacturing process of the oil pump, air is inevitably introduced into the hydraulic oil by the processes of oil injection, correction, and the like. The introduction of air can affect the stroke of the movable molded part, for example, the presence of air bubbles, the rupture of the air bubbles during the stroke can affect the speed of the stroke, the continuous presence of air bubbles can cause the resistance of the stroke to be different from the set resistance, and the stability of the equipment or device is affected, and the use is affected. In the oil-way pumping system, after the pumping of the oil pump is finished, due to the existence of negative pressure inside the oil way, the oil in the oil way can completely flow back to the oil storage tank after a long time.
The invention discloses a fuel tank, an oil inlet pipe, an exhaust pipe, an engine, an oil transfer pump and an electric pump, wherein an inlet of the oil inlet pipe is connected with the fuel tank, an outlet of the oil inlet pipe is connected with the engine, the oil transfer pump is arranged on the oil inlet pipe and used for pumping fuel oil in the fuel tank into the engine, an inlet of the exhaust pipe is connected with the oil inlet pipe, and the electric pump is arranged on the oil inlet pipe and located between the connecting position of the exhaust pipe and the oil inlet pipe and the fuel tank and used for pumping air in the oil inlet pipe into the exhaust pipe before the oil transfer pump is started.
Before the plunger hydraulic pump is normally operated, the pump chamber must be filled with hydraulic oil to remove air in the pump chamber, otherwise the hydraulic pump is damaged, and the serious condition can cause the hydraulic pump to be scrapped. Before a formal test run, the plunger hydraulic pump must be pre-filled with oil.
At present, the oil pre-filling process of the plunger pump is completed repeatedly by adopting a hopper and a handheld container by workers. The method has the advantages of long time consumption, low efficiency, easy scattering of hydraulic oil during operation to cause environmental pollution, and time and labor consumption in subsequent environment cleaning. The scheme of the built-in emptying structure has overhigh cost for a plurality of plunger pump oiling procedures and is difficult to be applied to large-scale operation.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it all is that the workman adopts funnel and handheld container, and repetitious repetition accomplishes to aim at solving "the pre-oiling process for the plunger pump now that exists among the prior art at least. The method has the advantages of long time consumption, low efficiency, easy scattering of hydraulic oil during operation to cause environmental pollution, and time and labor consumption in subsequent environment cleaning. The scheme of the built-in emptying structure has the technical problem that the cost of a plurality of plunger pump oiling procedures is too high and the plunger pump oiling procedures are difficult to apply to large-scale operation. Therefore, the utility model provides a plunger pump evacuation structure, the disposable fluid of replenishing of ration effectively avoids the air infiltration, saves time. And a totally-closed oil injection emptying structure is adopted, so that the oil is effectively prevented from splashing to cause environmental pollution or waste, and the device is more environment-friendly.
According to the utility model discloses a plunger pump evacuation structure of some embodiments, include:
the oil storage mechanism is provided with an oil filling port and is used for storing oil to be filled;
the oil storage and exhaust mechanism is connected with the oil storage mechanism, the oil storage and exhaust mechanism is connected with a pressurizing mechanism, the oil storage and exhaust mechanism is used for pre-filling a certain amount of oil, and the pressurizing mechanism is used for pressurizing and conveying the oil in the oil storage and exhaust mechanism;
the oil storage and exhaust mechanism is provided with an oil injection connecting pipe, one end of the oil injection connecting pipe is connected with the oil storage and exhaust mechanism, and the other end of the oil injection connecting pipe is connected with a plunger pump to be filled with oil;
the oil liquid of the oil storage mechanism is pre-input into the oil storage exhaust mechanism and is used for discharging air in the oil storage exhaust mechanism, and the volume of the oil storage exhaust mechanism is matched with the volume of an oil pumping chamber of the plunger pump.
According to the utility model discloses a some embodiments, the oil filler hole set up in the top of oil storage mechanism, the bottom of oil storage mechanism is provided with the oil-out, the oil-out with oil storage exhaust mechanism connects.
According to the utility model discloses a some embodiments, the oil filler hole is provided with filtering component, filtering component is used for preventing the foreign matter from falling into in the oil storage mechanism.
According to the utility model discloses a some embodiments, the oil-out with be provided with first connection ball valve between the oil storage exhaust mechanism, first connection ball valve is used for control the oil storage mechanism with the intercommunication or the closure of oil storage exhaust mechanism.
According to some embodiments of the utility model, first connection ball valve is manual ball valve or automatically controlled ball valve.
According to the utility model discloses a some embodiments, the oiling is taken over and is provided with the second and connects the ball valve, the second is connected the ball valve and is used for control opening or closing that the oiling was taken over.
According to the utility model discloses a some embodiments, the end that the oiling was taken over is provided with the oiling and connects, the oiling connect be used for with the oiling mouth accordant connection of plunger pump.
According to some embodiments of the utility model, the pressurization mechanism with be provided with the third between the oil storage exhaust mechanism and connect the ball valve, the third is connected the ball valve and is used for controlling the pressurization mechanism with intercommunication or closing between the oil storage exhaust mechanism.
According to some embodiments of the utility model, the second connect the ball valve with the third is connected the ball valve and is adopted manual ball valve or automatically controlled ball valve respectively.
According to some embodiments of the utility model, the pressurization mechanism is provided with exhaust portion, works as oil storage mechanism past during oil storage exhaust mechanism fills fluid in advance, the ball valve is opened in the third connection, makes air in the oil storage exhaust mechanism is followed exhaust portion discharges.
According to the utility model discloses a plunger pump evacuation structure of some embodiments has following beneficial effect at least: when the oil storage mechanism is pre-filled with oil in the oil storage and exhaust mechanism, air in the oil storage and exhaust mechanism can be exhausted, and then the oil is connected with the plunger pump oil chamber through the oil injection connecting pipe and is quantitatively injected with oil at one time. Effectively prevent to annotate the liquid process infiltration air, the oiling time spent is short, reduces the evacuation cost, promotes work efficiency. And can prevent that fluid spill from leading to environmental pollution or causing the waste, environmental protection more.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic diagram of a structure oil circuit of an emptying structure of a plunger pump according to an embodiment of the present invention.
Reference numerals:
an oil storage mechanism 100, an oil filling port 110, an oil outlet 120,
An oil storage and exhaust mechanism 200, an oil filling adapter 210, an oil filling joint 220,
A first connecting ball valve 310, a second connecting ball valve 320, and a third connecting ball valve 330.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, top, bottom, etc., is the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
A plunger pump emptying structure according to an embodiment of the present invention is described below with reference to fig. 1.
As shown in fig. 1, the plunger pump emptying structure is mainly used in a process of filling a pump chamber of the plunger pump with oil and discharging internal air before the plunger hydraulic pump is actually operated. The manual operation of adding oil into the existing plunger pump is generally that a worker adds oil into a pump chamber in batches for many times through a funnel and a handheld container. Whole process consumes time, and is inefficient to at the in-process that fluid added, the oiling mouth and the atmosphere intercommunication of plunger pump, the air is along with in the pump chamber of fluid injection plunger pump, harms the work of plunger pump easily, leads to the plunger pump to scrap. In the manual adding process, oil is easy to splash into the environment, the environment is polluted, and time and energy are also needed to be consumed for cleaning the environment.
The utility model discloses a plunger pump evacuation structure includes oil storage mechanism 100 and oil storage exhaust mechanism 200, and oil storage mechanism 100 is the oil tank, and oil storage mechanism 100 is provided with oil filler hole 110 for store the fluid of treating the filling. The oil storage and air discharge mechanism 200 is connected to the oil storage mechanism 100, the oil storage and air discharge mechanism 200 is connected to a pressurizing mechanism (not shown in the drawings), the oil storage and air discharge mechanism 200 is used for pre-filling a certain amount of oil, and the pressurizing mechanism is used for pressurizing and conveying the oil in the oil storage and air discharge mechanism 200. After the oil in the oil storage mechanism 100 is filled into the oil storage and exhaust mechanism 200, the oil in the oil storage and exhaust mechanism 200 is injected into the pump chamber of the plunger pump at one time through the pressurizing mechanism.
The oil storage and air exhaust mechanism 200 is provided with an oil injection connecting pipe 210, one end of the oil injection connecting pipe 210 is connected with the oil storage and air exhaust mechanism 200, and the other end of the oil injection connecting pipe is connected with a plunger pump to be filled with oil. The oil liquid of the oil storage mechanism 100 is pre-input into the oil storage and exhaust mechanism 200 for exhausting the air in the oil storage and exhaust mechanism 200, and the volume of the oil storage and exhaust mechanism 200 is matched with the volume of the oil pumping chamber of the plunger pump.
Specifically, the capacity of the oil storage and discharge mechanism 200 is designed according to the pump chamber volume of the plunger pump to be filled, and according to the pump chamber volumes of the plunger pumps with different capacities, a worker selects the oil storage and discharge mechanism 200 with different capacities to be connected with the oil storage mechanism 100 and the pressurizing mechanism.
Because the utility model discloses a back is connected with the oiling mouth of plunger pump chamber to plunger pump evacuation structure, forms the enclosed construction between oil storage mechanism 100, oil storage exhaust mechanism 200 and the plunger pump chamber, has effectively avoided the infiltration of outside air. And when oil storage mechanism 100 fills fluid in advance to oil storage exhaust mechanism 200, can discharge the inside air of oil storage exhaust mechanism 200, further reduce the air content in the fluid, go into the pump chamber of plunger pump through the disposable ration pump of fluid of loading system in the exhaust mechanism that deoils at last, need not many times filling, high-efficient and avoid fluid to splash the polluted environment, environmental protection more. Adopt the utility model discloses a plunger pump evacuation structure can promote the efficiency that the staff annotated the liquid for the plunger pump chamber greatly, shortens the preparation time before the plunger pump starts, only need take over 210 with the oiling and connect the oiling process before just can accomplishing the start with the oiling mouth of plunger pump. And related structures for automatic exhaust do not need to be added in the plunger pump, so that the plunger pump is suitable for plunger pumps with various structures, and the cost is saved.
In some embodiments of the present invention, as shown in fig. 1, the oil filling opening 110 is disposed at the top of the oil storage mechanism 100, the oil outlet 120 is disposed at the bottom of the oil storage mechanism 100, and the oil outlet 120 is connected to the oil storage exhaust mechanism 200.
Specifically, since the oil is deposited in the oil storage mechanism 100, in order to make the oil in the oil storage mechanism 100 flow sufficiently, the oil outlet 120 is arranged at the bottom of the oil storage mechanism 100 to make full use of gravity to make full use of the oil flow, and no residual liquid is left. And the oil filler port 110 is provided at the top to maximize the use of the volume of the oil storage mechanism 100.
In a further embodiment, the oil filler port 110 is provided with a filter assembly for preventing foreign substances from falling into the oil storage mechanism 100. The filtering component can adopt a filter screen and other structures, can filter impurities carried in the oil injection and storage mechanism 100, improves the purity of the oil, and avoids the impurities from entering the plunger pump to influence the normal operation of the plunger pump.
In some embodiments of the present invention, as shown in fig. 1, a first connecting ball valve 310 is disposed between the oil outlet 120 and the oil storage and exhaust mechanism 200, and the first connecting ball valve 310 is used for controlling the connection or the closure of the oil storage mechanism 100 and the oil storage and exhaust mechanism 200.
Specifically, when the plunger pump emptying structure is not in use, the first connecting ball valve 310 is closed, and maintenance or oil filling can be performed on the oil storage mechanism 100. The oil storage and exhaust mechanism 200 can be removed and replaced with an oil storage and exhaust mechanism 200 having a corresponding volume.
In a further embodiment, the first connecting ball valve 310 is a manual ball valve or an electrically controlled ball valve. Specifically, according to the control of in-service use cost, can adopt manual ball valve or automatically controlled ball valve, automatically controlled ball valve adopts the solenoid valve structure, and manual ball valve needs the staff to adjust the aperture of ball valve according to actual conditions.
In some embodiments of the present invention, as shown in fig. 1, the oil filling nozzle 210 is provided with a second connection ball valve 320, and the second connection ball valve 320 is used for controlling the opening or closing of the oil filling nozzle 210.
Specifically, the oil filling nipple 210 communicates with the outlet of the oil storage and gas discharge mechanism 200, and the second connecting ball valve 320 can be disposed at any position of the pipeline of the oil filling nipple 210, which is not described in detail in the present embodiment. The second connecting ball valve 320 can close the communication between the oil filling connection pipe 210 and the pump chamber of the plunger pump, so that when the oil of the oil storage mechanism 100 is pre-filled into the oil storage and air exhaust mechanism 200, the oil or air of the oil storage and air exhaust mechanism 200 is prevented from entering the pump chamber of the plunger pump to cause inaccurate oil filling amount or air enters the plunger pump to cause damage. When the oil storage and exhaust mechanism 200 is pre-filled with oil, the second connecting ball valve 320 is closed, so that air in the oil storage and exhaust mechanism 200 is exhausted from other connecting pipelines.
In some embodiments of the present invention, as shown in fig. 1, the end of the oil filling adapter 210 is provided with an oil filling joint 220, and the oil filling joint 220 is used for matching with an oil filling port of the plunger pump.
Specifically, the sizes and the interface structures of the oil filling ports of different plunger pumps may be different, and the oil filling joints 220 select the oil filling joints 220 with the corresponding specifications to connect according to the plunger pump requiring oil filling. After the oil injection joint 220 is connected with the plunger pump, oil can be effectively prevented from splashing out in the oil injection process, so that the environment pollution is avoided, and the environment is protected.
In some embodiments of the present invention, as shown in fig. 1, a third connecting ball valve 330 is disposed between the pressurizing mechanism and the oil storing and exhausting mechanism 200, and the third connecting ball valve 330 is used for controlling the connection or the disconnection between the pressurizing mechanism and the oil storing and exhausting mechanism 200.
Specifically, the pressing mechanism is a technical solution well known to those skilled in the art, and will not be described in detail in this embodiment. And the third connecting ball valve 330 is opened when the oil storage and release mechanism 200 is filled with oil to the plunger pump, and the oil in the oil storage and release mechanism 200 is injected into the pump chamber of the plunger pump through the pressurizing mechanism.
In a further embodiment, the second connecting ball valve 320 and the third connecting ball valve 330 are manual ball valves or electric ball valves, respectively.
Specifically, according to the control of in-service use cost, can adopt manual ball valve or automatically controlled ball valve, automatically controlled ball valve adopts the solenoid valve structure, and manual ball valve needs the staff to adjust the aperture of ball valve according to actual conditions.
In some embodiments of the present invention, as shown in fig. 1, the pressurizing mechanism is provided with an exhaust portion, and when the oil storage mechanism 100 fills the oil storage and exhaust mechanism 200 with the oil, the third connecting ball valve 330 is opened to exhaust the air in the oil storage and exhaust mechanism 200 from the exhaust portion. When the oil in the oil reservoir 100 is pre-filled in the oil reservoir and air outlet means 200, the third connecting ball valve 330 needs to be opened to discharge air from the air outlet means in order to discharge air remaining in the oil reservoir 100 at the time of the previous pressurization.
It should be understood that the air discharge part of the pressurizing mechanism is not the only embodiment, and in other embodiments, a separate air discharge port may be provided at the oil storage and air discharge mechanism 200 according to actual production requirements, without discharging air through the third connecting ball valve 330 and the pressurizing mechanism. The utility model discloses the oiling exhaust structure to oil storage exhaust mechanism 200 differs one and gives unnecessary details, should understand, does not deviate from the utility model discloses under the prerequisite of basic concept, oil storage exhaust mechanism 200's oiling exhaust structure is nimble to be changeed, all should regard as within the utility model discloses within the scope of protection injectd.
The utility model discloses an its principle of plunger pump evacuation structure is as follows:
an oil storage mechanism 100 is provided at a certain height, and an oil filler 110 of the oil storage mechanism 100 is connected to the atmosphere. Wherein the atmospheric pressure P1 is above the oil level. The oil outlet 120 of the oil storage mechanism 100 is connected to the oil storage and exhaust mechanism 200 through a first connecting ball valve 310, and the volume of the oil storage and exhaust mechanism 200 is equal to that of the plunger hydraulic pump. The bottom of the oil storage and air exhaust mechanism 200 is provided with an oil filling adapter 210 with a second connecting ball valve 320, and the end of the oil filling adapter 220 is provided with an oil filling joint for conveniently connecting an oil filling port of the plunger hydraulic pump. The upper cover of the oil storage and air exhaust mechanism 200 is provided with a pipeline with a third connecting ball valve 330 which is connected with a pressurizing mechanism air source with pressure P2.
The refueling action is as follows: the first connecting ball valve 310 is opened to fill the oil storage and exhaust mechanism 200 with hydraulic oil, and then the first connecting ball valve 310 is closed.
The oil filling joint 220 is connected with the plunger hydraulic pump, then the second connecting ball valve 320 is opened, the third connecting ball valve 330 is opened, the upper part of the oil storage and air exhaust mechanism 200 is pressurized, all the hydraulic oil in the oil storage and air exhaust mechanism 200 is added into the oil chamber of the plunger hydraulic pump, all the air in the pump chamber of the plunger hydraulic pump is exhausted, and the oil filling process is finished. Before next oiling, the operation is repeated to pre-charge hydraulic oil for another plunger hydraulic pump.
The utility model discloses a plunger pump evacuation structure has following advantage:
the time is saved: the operator only needs to connect the oil filling joint 220 with the oil filling port of the plunger hydraulic pump without searching a funnel and an oil filling container, and the oil filling process is completed at one time.
The physical ability and attention of operators are saved in the operation process, because the volume of the oil storage and exhaust mechanism 200 is equal to the volume of the oil chamber of the plunger hydraulic pump, the oil filling joint 220 is only required to be connected with the oil filling port of the plunger pump, the hydraulic oil in the oil storage and exhaust mechanism 200 is completely discharged, and the operators do not need to pay attention to whether the oil pump is full at any time.
Environmental protection, when this scheme system of use refuels, can not reveal or spill out hydraulic oil and pollute workplace, also not extravagant hydraulic oil, need not to clean ground after refueling yet.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A plunger pump evacuation structure, comprising:
the oil storage mechanism (100), the oil storage mechanism (100) is provided with an oil filling port (110), and the oil storage mechanism (100) is used for storing oil to be filled;
the oil storage and exhaust mechanism (200) is connected with the oil storage mechanism (100), the oil storage and exhaust mechanism (200) is connected with a pressurizing mechanism, the oil storage and exhaust mechanism (200) is used for pre-filling a certain amount of oil, and the pressurizing mechanism is used for pressurizing and conveying the oil in the oil storage and exhaust mechanism (200);
the oil storage and air exhaust mechanism (200) is provided with an oil injection connecting pipe (210), one end of the oil injection connecting pipe (210) is connected with the oil storage and air exhaust mechanism (200), and the other end of the oil injection connecting pipe is connected with a plunger pump to be filled with oil;
the oil liquid of the oil storage mechanism (100) is pre-input into the oil storage exhaust mechanism (200) and used for discharging air in the oil storage exhaust mechanism (200), and the volume of the oil storage exhaust mechanism (200) is matched with the volume of an oil pumping chamber of the plunger pump.
2. The plunger pump emptying structure according to claim 1, wherein the oil filling port (110) is arranged at the top of the oil storage mechanism (100), an oil outlet (120) is arranged at the bottom of the oil storage mechanism (100), and the oil outlet (120) is connected with the oil storage and exhaust mechanism (200).
3. The plunger pump evacuation structure according to claim 2, wherein the oil filler port (110) is provided with a filter assembly for preventing foreign matter from falling into the oil storage mechanism (100).
4. The plunger pump emptying structure according to claim 3, wherein a first connecting ball valve (310) is arranged between the oil outlet (120) and the oil storage and exhaust mechanism (200), and the first connecting ball valve (310) is used for controlling the communication or the closing of the oil storage mechanism (100) and the oil storage and exhaust mechanism (200).
5. Plunger pump emptying structure according to claim 4, characterized in that the first connecting ball valve (310) is a manual ball valve or an electrically controlled ball valve.
6. Plunger pump emptying structure according to claim 1, wherein the filler neck (210) is provided with a second connecting ball valve (320), the second connecting ball valve (320) being used for controlling the opening or closing of the filler neck (210).
7. The plunger pump emptying structure according to claim 6, wherein the end of the oil filling adapter (210) is provided with an oil filling joint (220), and the oil filling joint (220) is used for being matched and connected with an oil filling opening of the plunger pump.
8. The plunger pump emptying structure according to claim 6, wherein a third connecting ball valve (330) is arranged between the pressurizing mechanism and the oil storage and air discharge mechanism (200), and the third connecting ball valve (330) is used for controlling the communication or closing between the pressurizing mechanism and the oil storage and air discharge mechanism (200).
9. The plunger pump emptying structure according to claim 8, wherein the second connecting ball valve (320) and the third connecting ball valve (330) are manual ball valves or electric control ball valves respectively.
10. The plunger pump emptying structure according to claim 8, wherein the pressurizing mechanism is provided with an air discharging part, and when the oil storage mechanism (100) fills the oil storage and air discharging mechanism (200) with oil, the third connecting ball valve (330) is opened, so that air in the oil storage and air discharging mechanism (200) is discharged from the air discharging part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223341134.9U CN218882495U (en) | 2022-12-13 | 2022-12-13 | Plunger pump emptying structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223341134.9U CN218882495U (en) | 2022-12-13 | 2022-12-13 | Plunger pump emptying structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218882495U true CN218882495U (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223341134.9U Active CN218882495U (en) | 2022-12-13 | 2022-12-13 | Plunger pump emptying structure |
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| Country | Link |
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| CN (1) | CN218882495U (en) |
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- 2022-12-13 CN CN202223341134.9U patent/CN218882495U/en active Active
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