CN219827841U - Oil pump valve core pressure adjusting device - Google Patents
Oil pump valve core pressure adjusting device Download PDFInfo
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- CN219827841U CN219827841U CN202321005929.4U CN202321005929U CN219827841U CN 219827841 U CN219827841 U CN 219827841U CN 202321005929 U CN202321005929 U CN 202321005929U CN 219827841 U CN219827841 U CN 219827841U
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- oil
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- adjusting
- inner cavity
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 19
- 239000003921 oil Substances 0.000 abstract description 98
- 239000010705 motor oil Substances 0.000 abstract description 21
- 238000013459 approach Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of valves, in particular to a valve core pressure regulating device of an oil pump, which comprises a valve body and a regulating assembly; the adjusting component comprises a valve core, a sliding block, an adjusting spring and an adjusting mechanism; the valve body is provided with an inner cavity, an adjusting oil duct, a first oil outlet duct and a second oil outlet duct; the valve core is provided with a through hole; according to the position of the sliding block is adjusted according to the requirement of the engine oil pump pressure, when the engine oil pressure exceeds a set pressure threshold value, engine oil gives a pressure to the valve core, the valve core compresses an adjusting spring, the valve core is close to the sliding block until the through hole is communicated with the first oil outlet channel and the second oil outlet channel, then engine oil in the engine oil pump is discharged along the first oil outlet channel, the through hole and the second oil outlet channel, pressure relief is completed, oil supply of the engine oil pump is reduced, the condition that the engine oil pressure of a main oil channel of a diesel engine is too high is avoided, when the pressure is reduced, the adjusting spring drives the valve core to reset, and therefore the adjustment of the engine oil pressure in the main oil channel of the diesel engine can be simply realized.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a valve core pressure regulating device of an oil pump.
Background
When the diesel engine is in use, the engine oil pressure in the main oil gallery should be controlled in a proper range, and if the engine oil pressure is too high, the diesel engine is easily damaged.
In the prior art, when the pressure of engine oil in a main oil duct of a diesel engine is controlled, the engine oil is pressurized through an engine oil pump, filtered by an engine oil filter, cooled by a cooler and discharged, so that the control of the engine oil pressure is realized.
However, in the above-described manner, when the engine oil pressure in the main oil passage of the diesel engine is controlled, the devices such as the engine oil pump, the engine oil filter, and the cooler are required successively, which is troublesome and complicated.
Disclosure of Invention
The utility model aims to provide an oil pump valve core pressure regulating device which can simply regulate the engine oil pressure in a main oil duct of a diesel engine.
In order to achieve the above purpose, the utility model provides an oil pump valve core pressure regulating device, which comprises a valve body and a regulating component;
the adjusting assembly comprises a valve core, a sliding block, an adjusting spring and an adjusting mechanism; the valve body is provided with an inner cavity, an adjusting oil duct, a first oil outlet duct and a second oil outlet duct; the adjusting oil duct is communicated with the inner cavity; the first oil outlet duct is communicated with the inner cavity; the second oil outlet duct is communicated with the inner cavity; the valve core is connected with the valve body in a sliding way and is positioned in the inner cavity, and the valve core is provided with a through hole; the sliding block is in sliding connection with the valve body and is positioned in the inner cavity; the adjusting spring is arranged in the inner cavity and is positioned between the valve core and the sliding block; the adjusting mechanism is arranged on one side, far away from the adjusting spring, of the sliding block.
The valve core comprises a valve core body and a first piston; the valve core body is connected with the valve body in a sliding way and is positioned in the inner cavity; the first piston is fixedly connected with the valve core body, is connected with the valve body in a sliding mode, and is positioned in the inner cavity.
Wherein the sliding block comprises a block body and a second piston; the block body is connected with the valve body in a sliding way and is positioned in the inner cavity; the second piston is fixedly connected with the block body, is connected with the valve body in a sliding mode and is positioned in the inner cavity.
Wherein the adjusting mechanism comprises an end cover, a screw rod and a pressure plate; the end cover is fixedly connected with the valve body and is positioned at one side of the valve body; the screw rod is in threaded connection with the end cover and penetrates through the end cover; the pressure plate is rotationally connected with the screw rod and is positioned on one side of the screw rod, which is close to the block body.
Wherein the adjustment assembly further comprises a knob; the knob is fixedly connected with the screw rod and is positioned at one side of the screw rod away from the pressure plate.
According to the oil pump valve core pressure regulating device, the regulating oil duct is communicated with the oil pump, the first oil outlet duct and the second oil outlet duct can be communicated through the inner cavity, the valve core is blocked from being communicated when the pressure is normal, the regulating spring is installed between the sliding block and the valve core, the sliding block can slide by the regulating mechanism, after sliding regulation, the sliding block is closer to the valve core, the initial elastic force of the regulating spring is larger, the pressure threshold is larger, the position of the sliding block is regulated according to the requirement of the pressure of the oil pump, when the pressure of the oil exceeds the set pressure threshold, the oil gives a pressure to the valve core, the valve core compresses the regulating spring, the valve core is close to the sliding block until the through hole is communicated with the first oil outlet duct and the second oil outlet duct, then the oil in the oil pump is discharged along the first oil outlet duct, the through hole and the second oil outlet duct, the pressure relief is completed, the initial elastic force of the regulating spring is larger, the pressure threshold is required to be reduced, and the pressure of the main oil pump is reduced, and the main oil can be reduced when the pressure of the main oil pump is reduced, and the pressure of the main oil pump is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic overall structure of a first embodiment of the present utility model.
Fig. 2 is an overall cross-sectional view of a first embodiment of the present utility model.
Fig. 3 is a schematic overall structure of a second embodiment of the present utility model.
101-valve body, 102-adjusting assembly, 103-valve core, 104-sliding block, 105-adjusting spring, 106-adjusting mechanism, 107-inner cavity, 108-adjusting oil duct, 109-first oil outlet duct, 110-second oil outlet duct, 111-through hole, 112-valve core body, 113-first piston, 114-block, 115-second piston, 116-end cover, 117-screw, 118-pressure plate, 201-knob.
Detailed Description
The first embodiment of the utility model is as follows:
referring to fig. 1-2, fig. 1 is a schematic overall structure of a first embodiment of the present utility model, and fig. 2 is a cross-sectional overall view of the first embodiment of the present utility model.
The utility model provides an oil pump valve core pressure regulating device, which comprises: comprising a valve body 101 and a regulating assembly 102; the adjusting assembly 102 comprises a valve core 103, a sliding block 104, an adjusting spring 105 and an adjusting mechanism 106; the valve body 101 is provided with an inner cavity 107, an adjusting oil duct 108, a first oil outlet duct 109 and a second oil outlet duct 110; the valve core 103 has a through hole 111; the valve core 103 comprises a valve core body 112 and a first piston 113; the slider 104 includes a block 114 and a second piston 115; the adjustment mechanism 106 includes an end cap 116, a screw 117, and a pressure plate 118. Through the scheme, the adjustment of the engine oil pressure in the main oil duct of the diesel engine can be simply realized.
For the present embodiment, the valve body 101 is installed at a side of the oil pump of the diesel engine, and is in communication with the oil pump.
Wherein the first oil outlet passage 109 communicates with the inner cavity 107; the second oil outlet passage 110 is communicated with the inner cavity 107; the valve core 103 is slidably connected with the valve body 101 and is positioned in the inner cavity 107; the sliding block 104 is slidably connected with the valve body 101 and is positioned inside the inner cavity 107; the adjusting spring 105 is arranged inside the inner cavity 107 and is positioned between the valve core 103 and the sliding block 104; the adjusting mechanism 106 is disposed on a side of the slider 104 away from the adjusting spring 105. The adjusting oil duct 108 is communicated with an oil pump, the first oil outlet duct 109 is communicated with the oil pump, the first oil outlet duct 109 and the second oil outlet duct 110 can be communicated through the inner cavity 107, the valve core 103 is blocked from being communicated when the pressure is normal, the adjusting spring 105 is arranged between the sliding block 104 and the valve core 103, the sliding block 104 can slide by the adjusting mechanism 106 and can be locked after sliding adjustment, the closer the sliding block 104 is to the valve core 103, the larger the initial elastic force of the adjusting spring 105 is, the larger the pressure threshold is, the position of the sliding block 104 is adjusted according to the pressure requirement of the oil pump, when the oil pressure exceeds the set pressure threshold, the oil gives the valve core 103 a pressure, the valve core 103 compresses the regulating spring 105, the valve core 103 approaches the sliding block 104 until the through hole 111 communicates the first oil outlet passage 109 with the second oil outlet passage 110, and then the oil inside the oil pump is discharged along the first oil outlet passage 109, the through hole 111 and the second oil outlet passage 110, so that pressure relief is completed, oil supply of the oil pump is reduced, the condition that the oil pressure of the main oil gallery of the diesel engine is too high is avoided, and when the pressure is reduced, the regulating spring 105 drives the valve core 103 to reset, so that the regulation of the oil pressure in the main oil gallery of the diesel engine can be simply realized.
Secondly, the valve core body 112 is slidably connected to the valve body 101 and is located inside the inner cavity 107; the first piston 113 is fixedly connected with the valve core body 112, slidably connected with the valve body 101, and located inside the inner cavity 107. The through hole 111 is provided on the spool body 112, and the purpose of the first piston 113 is to avoid leakage of the engine oil from the adjustment oil passage 108 along a gap between the spool body 112 and the inner wall of the valve body 101.
Simultaneously, the block 114 is slidingly connected with the valve body 101 and is located inside the inner cavity 107; the second piston 115 is fixedly connected to the block 114, slidably connected to the valve body 101, and disposed within the inner cavity 107. The block 114 is slidably adjusted in position by the adjustment mechanism 106, and the second piston 115 is provided for the purpose of avoiding leakage of the oil from the first oil outlet passage 109 or the second oil outlet passage 110 along a gap between the block 114 and the inner wall of the valve body 101.
In addition, the end cover 116 is fixedly connected with the valve body 101 and is positioned at one side of the valve body 101; the screw 117 is screwed with the end cap 116 and penetrates through the end cap 116; the pressure plate 118 is rotatably connected with the screw 117, and is positioned on one side of the screw 117 close to the block 114. The end cover 116 is fixedly arranged on one side of the valve body 101, and when the position of the block 114 needs to be adjusted, the screw 117 is rotated to drive the pressure plate 118, and the pressure plate 118 pushes the block 114 to slide.
According to the oil pump valve core pressure adjusting device of the embodiment, the screw 117 is rotated to adjust the position of the block 114 according to the requirement of the pressure of the oil pump, when the pressure of the oil exceeds a set pressure threshold, the oil is supplied to the valve core body 112, the valve core body 112 compresses the adjusting spring 105, the valve core body 112 approaches to the block 114 until the through hole 111 communicates the first oil outlet channel 109 with the second oil outlet channel 110, and then the oil in the oil pump is discharged along the first oil outlet channel 109, the through hole 111 and the second oil outlet channel 110, so that pressure relief is completed, oil supply of the oil pump is reduced, excessive high pressure of the oil in a main oil channel of a diesel engine is avoided, and when the pressure is reduced, the adjusting spring 105 drives the valve core body 112 to reset, so that the adjustment of the oil pressure in the main oil channel of the diesel engine can be simply realized.
The second embodiment of the utility model is as follows:
on the basis of the first embodiment, please refer to fig. 3, wherein fig. 3 is a schematic diagram of the overall structure of the second embodiment of the present utility model.
The adjusting assembly 102 of the oil pump valve core pressure adjusting device provided by the utility model further comprises a knob 201.
For this embodiment, the knob 201 is fixedly connected to the screw 117, and is located on a side of the screw 117 away from the platen 118. The knob 201 is used to facilitate manual screwing of the screw 117 without the aid of tools.
In the oil pump valve core pressure adjusting device according to the present embodiment, the knob 201 is used to facilitate manual screwing of the screw 117, and no tool is needed.
The foregoing disclosure is only illustrative of one or more preferred embodiments of the present utility model, and it is not intended to limit the scope of the claims hereof, as persons of ordinary skill in the art will understand that all or part of the processes for practicing the embodiments described herein may be practiced with equivalent variations in the claims, which are within the scope of the utility model.
Claims (5)
1. The oil pump valve core pressure regulating device comprises a valve body, and is characterized in that,
the device also comprises an adjusting component;
the adjusting assembly comprises a valve core, a sliding block, an adjusting spring and an adjusting mechanism;
the valve body is provided with an inner cavity, an adjusting oil duct, a first oil outlet duct and a second oil outlet duct; the adjusting oil duct is communicated with the inner cavity; the first oil outlet duct is communicated with the inner cavity; the second oil outlet duct is communicated with the inner cavity; the valve core is connected with the valve body in a sliding way and is positioned in the inner cavity, and the valve core is provided with a through hole; the sliding block is in sliding connection with the valve body and is positioned in the inner cavity; the adjusting spring is arranged in the inner cavity and is positioned between the valve core and the sliding block; the adjusting mechanism is arranged on one side, far away from the adjusting spring, of the sliding block.
2. The oil pump valve core pressure adjusting device according to claim 1, wherein,
the valve core comprises a valve core body and a first piston; the valve core body is connected with the valve body in a sliding way and is positioned in the inner cavity; the first piston is fixedly connected with the valve core body, is connected with the valve body in a sliding mode, and is positioned in the inner cavity.
3. The oil pump valve core pressure adjusting device according to claim 2, wherein,
the sliding block comprises a block body and a second piston; the block body is connected with the valve body in a sliding way and is positioned in the inner cavity; the second piston is fixedly connected with the block body, is connected with the valve body in a sliding mode and is positioned in the inner cavity.
4. A valve core pressure adjusting device of an oil pump according to claim 3, wherein,
the adjusting mechanism comprises an end cover, a screw rod and a pressure plate; the end cover is fixedly connected with the valve body and is positioned at one side of the valve body; the screw rod is in threaded connection with the end cover and penetrates through the end cover; the pressure plate is rotationally connected with the screw rod and is positioned on one side of the screw rod, which is close to the block body.
5. The oil pump valve core pressure adjusting device according to claim 4, wherein,
the adjustment assembly further includes a knob; the knob is fixedly connected with the screw rod and is positioned at one side of the screw rod away from the pressure plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321005929.4U CN219827841U (en) | 2023-04-28 | 2023-04-28 | Oil pump valve core pressure adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321005929.4U CN219827841U (en) | 2023-04-28 | 2023-04-28 | Oil pump valve core pressure adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219827841U true CN219827841U (en) | 2023-10-13 |
Family
ID=88244548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321005929.4U Active CN219827841U (en) | 2023-04-28 | 2023-04-28 | Oil pump valve core pressure adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219827841U (en) |
-
2023
- 2023-04-28 CN CN202321005929.4U patent/CN219827841U/en active Active
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