CN219492505U - Hydraulic single plunger pump - Google Patents
Hydraulic single plunger pump Download PDFInfo
- Publication number
- CN219492505U CN219492505U CN202320223645.6U CN202320223645U CN219492505U CN 219492505 U CN219492505 U CN 219492505U CN 202320223645 U CN202320223645 U CN 202320223645U CN 219492505 U CN219492505 U CN 219492505U
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- main shaft
- cavity
- hydraulic
- spring
- inner sleeve
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Abstract
The utility model discloses a hydraulic single-plunger pump, which comprises a shell, wherein a cavity is arranged in the shell, end covers and regulating valves are respectively arranged at the left end and the right end of the cavity, an inner sleeve is detachably and fixedly arranged in the middle of the cavity, a cylindrical channel is arranged in the middle of the inner sleeve, a main shaft is arranged in the channel, the left end of the main shaft is fixedly connected with a spring top cover, a spring is sleeved on the outer surface of the main shaft, the spring is positioned between the spring top cover and the inner sleeve, the inner sleeve is used for limiting the movement range of the main shaft, the operation precision of a system is improved, and the spring is used for resetting the main shaft. The hydraulic drive and spring reset device is adopted, the service life is longer, the failure rate is low, and the oil output can be flexibly adjusted according to different application scenes by replacing the inner sleeve and the main shaft.
Description
Technical Field
The utility model relates to a lubricating oil pump, in particular to a hydraulic single plunger pump.
Background
The lubricating oil pump is mainly used in various mechanical equipment and is used for conveying lubricating oil to a lubricating system. The existing lubricating oil pump is usually in electromagnetic control reversing, has short service life, is often easy to break down, and cannot flexibly adjust the oil output according to different application scenes.
Disclosure of Invention
In order to solve the defects of the technology, the utility model provides a following type automobile body rubber sealing component.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a hydraulic single plunger pump, includes the shell, the inside of shell is provided with the cavity, the left and right both ends of cavity are provided with end cover and governing valve respectively, the middle part of cavity can dismantle and set firmly the endotheca, cylindrical passageway has been seted up at the middle part of endotheca, be provided with the main shaft in the passageway, the left end fixedly connected with spring top cap of main shaft, the surface cover of main shaft is equipped with the spring, the spring is located between spring top cap and the endotheca, the endotheca is used for restricting the motion scope of main shaft, the operating accuracy of improvement system, the spring is used for resetting the main shaft.
Preferably, the inner sleeve and the main shaft divide the inner cavity of the housing into a hydraulic chamber and a plunger chamber.
As the preferable scheme, the spring is located the hydraulic pressure intracavity, and the hydraulic pressure chamber is used for holding hydraulic oil, and the top of hydraulic pressure chamber is provided with the discharge valve that is used for maintaining the inside pressure balance of hydraulic pressure chamber.
As the preferable scheme, be the plunger chamber between right-hand member and the governing valve of main shaft for hold lubricating oil, the top in plunger chamber is provided with the oil bottle, and the lower extreme in oil bottle is linked together with the plunger chamber for carry lubricating oil to the plunger intracavity.
Preferably, the middle part of the end cover is provided with an oil delivery channel.
Preferably, the regulating valve is a one-way valve, and only fluid is allowed to pass from left to right, but not reversely.
As a preferable scheme, the right end of the main shaft is inserted into the channel in the middle of the inner sleeve, and the diameter of the main shaft is matched with the inner diameter of the channel.
The hydraulic drive and spring reset device is adopted, the service life is longer, the failure rate is low, and the oil output can be flexibly adjusted according to different application scenes by replacing the inner sleeve and the main shaft.
Drawings
FIG. 1 is a cross-sectional view of the overall structure of the present utility model.
In the figure: 1. a housing; 2. an inner sleeve; 3. an end cap; 4. a regulating valve; 5. a main shaft; 6. a spring top cover; 7. a spring; 8. a hydraulic chamber; 9. a plunger cavity; 10. an exhaust valve; 11. an oil bottle; 12. and an oil delivery channel.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1, a hydraulic single-plunger pump comprises a housing 1, a cavity is arranged in the housing 1, an end cover 3 and a regulating valve 4 are respectively arranged at the left end and the right end of the cavity, an oil delivery channel 12 is arranged in the middle of the end cover 3, the regulating valve 4 adopts a one-way valve and can only allow fluid to pass through from the left side to the right side and can not pass reversely, an inner sleeve 2 is detachably and fixedly arranged in the middle of the cavity, a cylindrical channel is arranged in the middle of the inner sleeve 2, a main shaft 5 is arranged in the channel, a spring top cover 6 is fixedly connected to the left end of the main shaft 5, a spring 7 is sleeved on the outer surface of the main shaft 5, and the spring 7 is positioned between the spring top cover 6 and the inner sleeve 2. The inner sleeve 2 is used for limiting the movement range of the main shaft 4, improving the operation precision of the system, and the spring 7 is used for resetting the main shaft 5. The right end of the main shaft 5 is inserted into a channel in the middle of the inner sleeve 2, and the diameter of the main shaft 5 is matched with the inner diameter of the channel.
The inner sleeve 2 and the main shaft 5 divide the internal cavity of the shell 1 into a hydraulic cavity 8 and a plunger cavity 9, the spring 7 is positioned in the hydraulic cavity 8, the hydraulic cavity 8 is used for containing hydraulic oil, an exhaust valve 10 used for maintaining the pressure balance in the hydraulic cavity 8 is arranged above the hydraulic cavity 8, the plunger cavity 9 is arranged between the right end of the main shaft 5 and the regulating valve 4 and used for containing lubricating oil, an oil bottle 11 is arranged above the plunger cavity 9, and the lower end of the oil bottle 11 is communicated with the plunger cavity 9 and used for conveying lubricating oil into the plunger cavity 9.
The hydraulic single plunger pump is driven by hydraulic oil, the spring 7 resets to enable the main shaft 5 to reciprocate, one end of the end cover 3 is connected with a hydraulic driving interface to provide driving oil pressure for the utility model, the regulating valve 4 is connected with a lubricating oil way to provide lubricating oil for each lubricating point.
The working process of the utility model is as follows:
(1) The hydraulic oil enters the hydraulic cavity 8 through the oil delivery channel 12, pushes the spring top cover 6 to the right, compresses the spring 7, pushes the main shaft 5 to move to the right, and discharges the air in the plunger cavity 9 through the regulating valve 4.
(2) The hydraulic oil is decompressed, the spring 7 pushes the spring top cover 6 to move to the left side to drive the main shaft 5 to reset, and at the moment, the inside of the plunger cavity 9 is in a vacuum state, so that lubricating oil is sucked into the plunger cavity 9 from the oil bottle 11.
(3) The hydraulic oil pushes the spring top cover 6 to move rightward, compresses the spring 7, and then pushes the main shaft 5 to move rightward, so that the lubricating oil in the plunger cavity 9 is discharged through the regulating valve 4.
The utility model adopts the arrangement of hydraulic drive and spring reset, has longer service life compared with the traditional electromagnetic control mode, can ensure that the transmission of the main shaft is more stable by detachably fixing the inner sleeve in the cavity of the shell, can conveniently adjust the oil output by changing different inner sleeves and main shafts, and flexibly meets different use requirements.
The above embodiments are not intended to limit the present utility model, and the present utility model is not limited to the above examples, but is also intended to be limited to the following claims.
Claims (7)
1. A hydraulic single plunger pump comprising a housing (1), characterized in that: a cavity is formed in the shell (1), and an end cover (3) and an adjusting valve (4) are respectively arranged at the left end and the right end of the cavity; an inner sleeve (2) is detachably and fixedly arranged in the middle of the cavity, a cylindrical channel is formed in the middle of the inner sleeve (2), a main shaft (5) is arranged in the channel, and the left end of the main shaft (5) is fixedly connected with a spring top cover (6); the outer surface of the main shaft (5) is sleeved with a spring (7), the spring (7) is positioned between the spring top cover (6) and the inner sleeve (2), the inner sleeve (2) is used for limiting the movement range of the main shaft (5), the operation precision of the system is improved, and the spring (7) is used for resetting the main shaft (5).
2. A hydraulic single plunger pump as set forth in claim 1 wherein: the inner sleeve (2) and the main shaft (5) divide the internal cavity of the outer shell (1) into a hydraulic cavity (8) and a plunger cavity (9).
3. A hydraulic single plunger pump as set forth in claim 2 wherein: the spring (7) is positioned in the hydraulic cavity (8), and the hydraulic cavity (8) is used for containing hydraulic oil; an exhaust valve (10) for maintaining the pressure balance inside the hydraulic chamber (8) is arranged above the hydraulic chamber (8).
4. A hydraulic single plunger pump as set forth in claim 2 wherein: a plunger cavity (9) is arranged between the right end of the main shaft (5) and the regulating valve (4) and is used for containing lubricating oil; an oil bottle (11) is arranged above the plunger cavity (9), and the lower end of the oil bottle (11) is communicated with the plunger cavity (9) to convey lubricating oil into the plunger cavity (9).
5. A hydraulic single plunger pump according to claim 3 or 4, wherein: the middle part of the end cover (3) is provided with an oil delivery channel (12).
6. A hydraulic single plunger pump as set forth in claim 1 wherein: the regulating valve (4) is a one-way valve, and only allows fluid to pass from left to right and cannot pass reversely.
7. A hydraulic single plunger pump as set forth in claim 1 wherein: the right end of the main shaft (5) is inserted into a channel in the middle of the inner sleeve (2), and the diameter of the main shaft (5) is matched with the inner diameter of the channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320223645.6U CN219492505U (en) | 2023-02-15 | 2023-02-15 | Hydraulic single plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320223645.6U CN219492505U (en) | 2023-02-15 | 2023-02-15 | Hydraulic single plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219492505U true CN219492505U (en) | 2023-08-08 |
Family
ID=87480720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320223645.6U Active CN219492505U (en) | 2023-02-15 | 2023-02-15 | Hydraulic single plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219492505U (en) |
-
2023
- 2023-02-15 CN CN202320223645.6U patent/CN219492505U/en active Active
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