CN109763874B - Engine oil dipstick and engine with oil change function - Google Patents
Engine oil dipstick and engine with oil change function Download PDFInfo
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- CN109763874B CN109763874B CN201910171713.7A CN201910171713A CN109763874B CN 109763874 B CN109763874 B CN 109763874B CN 201910171713 A CN201910171713 A CN 201910171713A CN 109763874 B CN109763874 B CN 109763874B
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- engine
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- 239000003921 oil Substances 0.000 title claims abstract description 145
- 239000010705 motor oil Substances 0.000 title claims abstract description 59
- 230000008859 change Effects 0.000 title claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 162
- 238000000034 method Methods 0.000 claims abstract description 17
- 230000008569 process Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 19
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Abstract
The invention discloses an engine oil staff gauge with an oil change function and an engine, wherein the engine oil staff gauge comprises a staff gauge handle, a staff gauge pipe and an oil suction rod, the staff gauge handle and the staff gauge pipe are hollow pipe bodies, the staff gauge handle comprises a liquid storage part, a liquid inlet part and a liquid outlet part, the liquid storage part is provided with a liquid storage cavity, the liquid inlet part is communicated with the staff gauge pipe, an on-off device is respectively arranged in the liquid inlet part and the liquid outlet part, the oil suction rod can move in the liquid storage part to change the volume of the liquid storage cavity, when the oil suction rod is fixed in the liquid storage part, the liquid storage part is isolated from the liquid inlet part and the liquid outlet part, the liquid storage part is communicated with the liquid inlet part in the process of pulling the oil suction rod, and the liquid storage part is communicated with the liquid outlet part in the process of pressing the oil suction rod. The engine oil dipstick is assembled on an engine, and can drain engine oil in the engine through simple drawing and pressing actions, so that the engine oil dipstick is convenient to operate, and a user can replace engine oil by himself without adding extra equipment.
Description
Technical Field
The invention relates to the field of engine equipment, in particular to an engine oil dipstick with an oil change function and an engine.
Background
The engine, engineering machinery and vehicles need to be replaced after working for a certain time or driving for a certain mileage, and the existing maintenance method mainly comprises a vehicle jacking oil discharging method, a vacuum oil changing oil discharging method and a manual range hood oil sucking method. The vehicle jacking oil discharging method is to jack the vehicle, unscrew an oil discharging bolt from the bottom surface of an engine to replace engine oil, and the method needs to be provided with equipment for jacking the vehicle, has troublesome oil changing operation and has potential safety hazards; the oil discharging method of the vacuum oil changing machine discharges oil from the oil staff gauge hole through the vacuum oil changing machine, so that the oil changing of the vacuum oil changing machine is time-consuming and can not discharge accumulated impurities in the bottom shell; the manual oil suction machine is characterized in that a rubber pipe is inserted into an engine oil staff gauge pipe to discharge oil, so that an oil suction port cannot be guaranteed to extend into the bottommost end of an oil pan, and oil change is incomplete and impurities cannot be removed. In addition, the oil change method needs professional equipment, is complex to operate, needs to be completed by professional manufacturers such as 4S shops and maintenance shops, and can not be used for changing oil by a user, and if the user purchases the equipment by himself, extra equipment cost can be increased.
In view of the above problems, the present inventors have finally achieved the present invention through long-time studies and practices to satisfy the need for the user to change the engine oil by himself.
Disclosure of Invention
In order to solve the technical problems, the invention provides an engine oil staff gauge with an oil change function, which comprises a staff gauge handle, a staff gauge pipe and an oil suction rod, wherein the staff gauge handle and the staff gauge pipe are hollow pipe bodies, the staff gauge handle comprises a liquid storage part, a liquid inlet part and a liquid outlet part, the liquid storage part is provided with a liquid storage cavity, the liquid inlet part is communicated with the staff gauge pipe, an on-off device is respectively arranged in the liquid inlet part and the liquid outlet part, the oil suction rod can move in the liquid storage part to change the volume of the liquid storage cavity, and when the oil suction rod is fixed in the position of the liquid storage part, the liquid storage part is isolated from the liquid inlet part and the liquid outlet part, and in the process of pulling up the oil suction rod, the liquid storage part is communicated with the liquid inlet part, and in the process of pressing the oil suction rod, the liquid storage part is communicated with the liquid outlet part.
Preferably, the on-off device is a one-way valve, the conduction direction of the one-way valve in the liquid inlet part is from the liquid inlet part to the liquid storage part, and the conduction direction of the one-way valve in the liquid outlet part is from the liquid storage part to the liquid outlet part.
Preferably, the one-way valve comprises a valve body and a valve core, wherein a valve hole and a valve seat are respectively arranged at two ends of the valve body, the valve core comprises a valve rod and a valve cover, the valve rod is inserted into the valve seat to enable the valve core to move in the valve body, a spring is sleeved outside the valve rod and used for propping against the valve cover to close the valve hole.
Preferably, the oil suction rod comprises a lifting part and a piston part, the piston part is inserted into the liquid storage part and can move in the liquid storage part, the piston part comprises a piston rod and a piston head sleeved on the piston rod, and the outer surface of the piston head is tightly pressed and attached with the inner wall of the liquid storage part.
Preferably, a positioning ring is arranged between the handle part and the piston part, and the positioning ring is clamped or in threaded connection with the opening part of the liquid storage part.
Preferably, the piston rod is sleeved with at least one first sealing ring, the first sealing ring is located below the piston head, and when the oil suction rod is in an inserted state, the first sealing ring is tightly pressed and attached to the inner wall of the liquid inlet part.
Preferably, the outer wall of the scale tube is provided with scale marks for indicating the oil quantity.
Compared with the prior art, the engine oil dipstick with the oil change function has the beneficial effects that:
1. the engine oil dipstick with the oil change function can be assembled on an engine, the oil suction rod is pulled to suck engine oil in the bottom shell of the engine from the dipstick pipe to the liquid storage part, then the oil suction rod is pressed down to discharge the engine oil in the liquid storage part, the engine oil can be discharged through simple pulling and pressing actions, the operation is convenient, and a user can replace the engine oil by himself without adding additional equipment.
2. The liquid inlet part and the liquid outlet part are provided with one-way valves to realize one-way conduction, so that the engine oil can flow along the oil discharge direction, the backflow is prevented, the oil change efficiency is improved, and the engine oil is ensured to be discharged.
3. Under the closed state, fix the oil absorption pole on the scale handle through the retainer plate, first sealing washer compresses tightly the laminating with the inner wall of feed liquor portion, guarantees that the closed state can not the oil leak.
4. The outer wall of the staff gauge pipe is provided with scale marks, so that a user can conveniently judge the oil storage quantity in the bottom shell, and the oil quantity is ensured to be proper.
The invention also provides an engine, which comprises a cylinder body, a bottom shell and the engine oil staff gauge with the oil change function, wherein the low point of the bottom shell is an oil suction part, a staff gauge sleeve for fixing the engine oil staff gauge is arranged on the cylinder body, when the engine oil staff gauge is in an assembling state, the staff gauge pipe enters the staff gauge sleeve, and the lower end of the staff gauge pipe is positioned in the oil suction part.
Preferably, the liquid inlet part is sleeved with at least one second sealing ring, when the engine oil staff gauge is in an assembled state, the liquid inlet part blocks the opening of the staff gauge sleeve, and the second sealing ring is tightly attached to the inner wall of the staff gauge sleeve.
Preferably, the oil suction part is provided with an oil drain hole and an oil drain bolt for sealing the oil drain hole.
Compared with the prior art, the engine has the beneficial effects that:
the engine is convenient for replacing engine oil, the engine oil in the bottom shell is discharged through the engine oil staff gauge, the lower end of the staff gauge pipe is positioned at the low point of the bottom shell, the oil is discharged cleanly, the engine oil staff gauge is pulled out of the staff gauge sleeve, and new engine oil is added from the opening of the staff gauge sleeve, so that the oil replacing operation is finished.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are used in the description of the embodiments will be briefly described below.
FIG. 1 is a block diagram of the assembled state of the engine oil dipstick of the present invention with an engine;
FIG. 2 is a cross-sectional view of the engine oil dipstick of the present invention in an assembled state with an engine;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a partial enlarged view at B in FIG. 2;
FIG. 5 is a cross-sectional view of a one-way valve in the engine oil dipstick of the present invention;
FIG. 6 is a block diagram of the pumping condition of the dipstick of the present invention;
FIG. 7 is a schematic flow chart of the oil suction state of the oil dipstick of the present invention;
fig. 8 is a flow direction illustration of the oil drain state of the dipstick of the present invention.
The figures represent the numbers:
1. scale handle 11, liquid storage part 12, liquid inlet part 13, liquid outlet part
2. Ruler tube 21. Highest graduation line 22. Lowest graduation line
3. The oil suction rod 31, the handle 32, the piston rod 33, the piston head 34, the positioning ring 35, the clamping groove 36 and the clamping block
4. A liquid inlet one-way valve 41, a valve body 42, a valve hole 43, a valve seat 44, a valve rod 45, a valve cover 46 and a spring
5. Liquid outlet one-way valve
61. First seal ring 62. Second seal ring
7. Cylinder 71, scale cover 72, fixing piece
8. Bottom case 81, oil suction portion 82, oil drain bolt
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or quantity or position.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
Example 1
The embodiment provides an engine, has assembled the lubricating oil dipstick that has the function of changing oil on the engine, has solved the trouble of engine oil change, the unable problem of operating by oneself of user.
As shown in fig. 1 and 2 in combination, the engine includes a cylinder block 7 and a bottom case 8 mounted at a lower portion of the cylinder block 7, and engine oil is stored in the bottom case 8. The cylinder body 7 is provided with a scale sleeve 71 for fixing an engine oil scale, the bottom of the scale sleeve 71 is inserted into the shell of the cylinder body 7 to be fixedly connected with the cylinder body 7, the upper part of the scale sleeve 71 is provided with a fixing piece 72, the fixing piece 72 is connected with a screw on the side face of the cylinder body 7 to fix the position of the scale sleeve 71, and the scale sleeve 71 can be integrally detached and replaced. The gauge cover 71 is opened at the upper part, the oil gauge is installed in the gauge cover 71 in an inserting manner, and when oil needs to be added into the bottom shell 8, the oil gauge can be pulled out from the gauge cover 71, and the oil is injected into the bottom shell 8 from the opening of the gauge cover 71.
The engine oil staff gauge comprises a staff gauge handle 1, a staff gauge pipe 2 and an oil suction rod 3, wherein the staff gauge handle 1 and the staff gauge pipe 2 are hollow pipe bodies through which liquid can circulate, the staff gauge handle 1 is communicated with the staff gauge pipe 2, and the oil suction rod 3 is arranged in the staff gauge handle 1 and can move up and down to change the pressure in a cavity of the staff gauge handle 1. When the engine oil dipstick is assembled on an engine, the dipstick tube 2 is inserted into the dipstick sleeve 71, the connection part of the dipstick tube 2 and the dipstick handle 1 is provided with a step structure, and the step structure is propped against the upper end surface of the dipstick sleeve 71, so that the position of the engine oil dipstick is fixed. The lower part of the scale tube 2 enters the bottom shell 8, the low point of the bottom shell 8 is an oil suction part 81, and the lower end of the scale tube 2 is positioned in the oil suction part 81. The outer wall of the scale handle 1 is provided with a ripple structure capable of increasing friction force, so that the scale handle 1 is convenient to pull out.
Referring to fig. 3, the scale handle 1 includes a liquid storage portion 11, a liquid inlet portion 12 and a liquid outlet portion 13, wherein the liquid storage portion 11 has a liquid storage cavity, the liquid inlet portion 12 is disposed below the liquid storage portion 11 and is communicated with the scale tube 2, the liquid outlet portion 13 is disposed on a side surface of the liquid storage portion 11, and a thread is disposed on an outer surface of a front end of the liquid outlet portion 13, so that an external pipeline is conveniently connected. The volume and the pressure of the liquid storage cavity can be changed by pulling up and pressing down the oil suction rod 3, an on-off device is respectively arranged in the liquid inlet part 12 and the liquid outlet part 13, and the on-off device adjusts the on-off relation between the liquid storage part 11 and the liquid inlet part 12 and the liquid outlet part 13 according to the pressure change so as to prevent liquid from flowing back. Under the non-working state of the engine oil dipstick, the oil suction rod 3 is fixed in position, the liquid storage part 11, the liquid inlet part 12 and the liquid outlet part 13 are all separated by the on-off device, the cylinder 7 and the bottom shell 8 can generate negative pressure when the engine works, and the on-off device prevents external gas from being sucked into the bottom shell 8 to influence the operation of the engine. When the oil suction rod 3 is operated to be pulled up and pressed in during oil change by the oil suction dipstick, the volume of the liquid storage cavity is increased, the pressure is reduced, the pressure in the dipstick tube 2 is greater than the pressure in the liquid storage part 11, the liquid inlet part 12 is communicated with the liquid storage part 11, and the engine oil is sucked to the liquid storage part 11 through the dipstick tube 2; in the pressing-in process of the oil suction rod 3, the volume of the liquid storage cavity is reduced, the pressure is increased, the liquid storage part 11 is communicated with the liquid outlet part 13, and engine oil is discharged from the liquid outlet part 13. The engine oil can be discharged through simple drawing and pushing actions, the operation is convenient, no additional equipment is needed, and the user can conveniently and automatically replace the engine oil. And the lower extreme of scale pipe 2 is located the low point of drain pan 8, can guarantee to clean up engine oil and impurity in the drain pan 8.
Example two
Referring to fig. 2, in this embodiment, on the basis of the foregoing embodiment, the oil suction portion 81 is located at a low point of the bottom shell 8, an oil drain hole is formed on the oil suction portion 81, and an oil drain bolt 82 is disposed in the oil drain hole to block the oil drain hole. The engine maintains the traditional oil change mode of discharging oil from the bottom, and increases the space for user selection.
Example III
As shown in fig. 3, in this embodiment, on the basis of the above embodiment, the oil suction rod 3 includes a handle portion 31 and a piston portion, the handle portion 31 is used for operating the oil suction rod 3 to move, and the piston portion extends into the scale handle 1. The piston part comprises a piston rod 32 and a piston head 33 sleeved on the piston rod 32, and the piston head 33 is connected with the piston rod 32 through a threaded structure or a buckling structure, so that the piston head 33 is firmly installed. The piston head 33 is made of elastic material, and the outer surface of the piston head is tightly pressed and attached with the inner wall of the liquid storage part 11, so that liquid and air are prevented from flowing out of the gap. The lower part of the piston head 33 is a conical surface, and a gap is formed between the conical surface and the inner wall of the liquid storage part 11, so that the piston head 33 has a certain deformation space, and the piston head 33 can move up and down conveniently. The inner diameter of the liquid storage part 11 in the scale handle 1 is larger than the inner diameter of the liquid inlet part 12, a step surface is arranged between the liquid storage part 11 and the liquid inlet part 12, a conical transition surface is arranged between the inner wall of the liquid storage part 11 and the step surface, when the oil absorption rod 3 is in an inserted state, the lower part of the piston head 33 enters the transition surface, and the lower end surface is attached to the step surface, so that the oil absorption rod 3 cannot be continuously pressed down. A positioning ring 34 with a raised circumference is arranged between the handle part 31 and the piston part, and the positioning ring 34 is clamped or in threaded connection with the opening part of the liquid storage part 11, so that the oil suction rod 3 is clamped and connected with the scale handle 1.
Example IV
Referring to fig. 3, in this embodiment, on the basis of the foregoing embodiment, a first sealing ring 61 is sleeved on the lower portion of the piston rod 32, where the first sealing ring 61 is located below the piston head 33, and when the oil absorption rod 3 is in an inserted state, the first sealing ring 61 is pressed against the inner wall of the liquid inlet 12, so that the scale handle 1 and the oil absorption rod 3 are sealed. Two second sealing rings 62 are sleeved on the liquid inlet part 12, when the oil dipstick is in an assembled state, the liquid inlet part 12 blocks the opening of the dipstick sleeve 71, and the second sealing rings 62 are tightly attached to the inner wall of the dipstick sleeve 71, so that the oil dipstick and the dipstick sleeve 71 are sealed. The first seal 61 and the second seal 62 may ensure that the oil dipstick does not leak oil in the assembled state, and in order to increase the sealing effect, in other embodiments, the number of the first seal 61 and the second seal 62 may be increased.
Example five
Referring to fig. 4, in this embodiment, on the basis of the foregoing embodiment, the scale tube 2 is a bellows, so that a user can conveniently determine the oil storage in the bottom shell 8. The scale tube 2 is provided with two corrugated notches, namely a highest scale mark 21 and a lowest scale mark 22, which represent the highest oil filling amount and the lowest oil filling amount, and the adding amount of engine oil in the normal state of the engine is arranged between the highest scale mark 21 and the lowest scale mark 22, so that a user can intuitively judge whether the engine oil amount in the bottom shell 8 is proper.
Example six
As shown in fig. 3 and fig. 5, on the basis of the above embodiment, the on-off devices in the liquid inlet portion 12 and the liquid outlet portion 13 are check valves, the liquid inlet check valve 4 is installed in the liquid inlet portion 12, and the liquid outlet check valve 5 is installed in the liquid outlet portion 13. The check valve comprises a valve body 41 and a valve core, wherein the valve body 41 is fixed in the liquid inlet part 12 or the liquid outlet part 13, two ends of the valve body 41 are respectively provided with a valve hole 42 and a valve seat 43, the valve core comprises a valve rod 44 and a valve cover 45, the valve rod 44 is inserted into the valve seat 43 to enable the valve core to move in the valve body 41, a spring 46 is sleeved outside the valve rod 44, a gap is reserved between the valve cover 45 and the inner wall of the valve body 41, and the size of the valve cover 45 is larger than that of the valve hole 42. In the check valve closing state, the spring 46 pushes the valve cover 45 to close the valve hole 42, and when the pressure on the valve hole 42 side is greater than the pressure on the valve seat 43 side, the valve cover 45 compresses the spring 46 to open the valve hole 42, so that the check valve is closed. The installation direction of the liquid inlet one-way valve 4 is that the valve hole 42 is close to one side of the scale tube 2, so that the conduction direction of the liquid inlet one-way valve 4 is from the liquid inlet part 12 to the liquid storage part 11. The liquid outlet one-way valve 5 is arranged in the direction that the valve hole 42 is close to one side of the liquid storage part 11, so that the conduction direction of the liquid outlet one-way valve 5 is from the liquid storage part 11 to the liquid outlet part 13. The liquid inlet part 12 and the liquid outlet part 13 are in one-way conduction, so that the engine oil can only flow along the oil discharge direction, the backflow is prevented, the oil change efficiency is improved, and the engine oil is ensured to be discharged.
Referring to fig. 6 to 8, in this embodiment, a clamping groove 35 is formed on the outer wall of the positioning ring 34, a protruding clamping strip is formed on the inner wall of the top of the scale handle 1, and when the oil absorption rod 3 is in an inserted state, the clamping groove 35 is in clamping connection with the clamping block 36. When the oil dipstick is needed to change oil, the oil suction rod 3 is rotated for a certain angle, so that the clamping groove 35 is separated from the clamping block 36.
The oil suction rod 3 is pulled upwards, the oil dipstick enters an oil suction state shown in fig. 7, an arrow in the drawing indicates the flow direction of oil, the volume of a liquid storage cavity is increased in the process of pulling up the oil suction rod 3, vacuum is generated in the liquid storage part 11, the liquid outlet one-way valve 5 is closed by external air pressure, the liquid inlet one-way valve 4 is opened by pressure in the dipstick tube 2, and oil enters the liquid storage cavity from the bottom shell 8 through the dipstick tube 2 and the liquid inlet part 12. After the oil is sucked into the liquid storage part 11, the oil suction rod 3 is pressed down, the oil dipstick enters an oil discharge state shown in fig. 8, an arrow in the drawing indicates the flow direction of the engine oil, the volume of a liquid storage cavity is reduced in the pressing process of the oil suction rod 3, liquid in the liquid storage part 11 is pressurized, the liquid inlet one-way valve 4 is closed, the liquid outlet one-way valve 5 is opened, and the engine oil is discharged outwards from the liquid outlet part 13. The oil in the bottom shell 8 can be discharged by repeatedly pulling and pressing the oil suction rod 3, the operation is convenient, no additional equipment is needed, the lower end of the scale tube 2 is positioned at the low point of the bottom shell 8, and the oil discharge can be ensured to be clean. After the engine oil is discharged, the engine oil staff gauge is pulled out from the staff gauge sleeve 71, and new engine oil is added from the opening of the staff gauge sleeve 71, so that the oil change operation is completed.
The foregoing description of the preferred embodiment of the invention is merely illustrative of the invention and is not intended to be limiting. It will be appreciated by persons skilled in the art that many variations, modifications, and even equivalents may be made thereto without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. The engine oil staff gauge with the oil change function is characterized by comprising a staff gauge handle (1), a staff gauge pipe (2) and an oil suction rod (3), wherein the staff gauge handle (1) and the staff gauge pipe (2) are hollow pipe bodies, the staff gauge handle (1) comprises a liquid storage part (11), a liquid inlet part (12) and a liquid outlet part (13), the liquid storage part (11) is provided with a liquid storage cavity, the liquid inlet part (12) is communicated with the staff gauge pipe (2), an on-off device is respectively arranged in the liquid inlet part (12) and the liquid outlet part (13), the oil suction rod (3) can move in the liquid storage part (11) to change the volume of the liquid storage cavity, and when the oil suction rod (3) is fixed in the liquid suction part (11), the liquid storage part (11) is isolated from the liquid inlet part (12) and the liquid outlet part (13), in the process of pulling up the liquid storage part (11) is communicated with the liquid inlet part (12), and in the process of pressing the oil suction rod (3) into the liquid storage part (13);
the on-off device is a one-way valve, the conduction direction of the one-way valve in the liquid inlet part (12) is from the liquid inlet part (12) to the liquid storage part (11), and the conduction direction of the one-way valve in the liquid outlet part (13) is from the liquid storage part (11) to the liquid outlet part (13);
the oil suction rod (3) comprises a handle part (31) and a piston part, the piston part is inserted into the liquid storage part (11) and can move in the liquid storage part (11), the piston part comprises a piston rod (32) and a piston head (33) sleeved on the piston rod (32), and the outer surface of the piston head (33) is tightly pressed and attached to the inner wall of the liquid storage part (11).
2. The oil dipstick with oil change function according to claim 1, characterized in that the one-way valve comprises a valve body (41) and a valve core, a valve hole (42) and a valve seat (43) are respectively arranged at two ends of the valve body (41), the valve core comprises a valve rod (44) and a valve cover (45), the valve rod (44) is inserted into the valve seat (43) to enable the valve core to move in the valve body (41), a spring (46) is sleeved outside the valve rod (44), and the spring (46) is used for propping against the valve cover (45) to close the valve hole (42).
3. The oil dipstick with oil change function according to claim 1, characterized in that a positioning ring (34) is arranged between the handle part (31) and the piston part, and the positioning ring (34) is clamped or in threaded connection with the opening part of the liquid storage part (11).
4. The oil dipstick with an oil change function according to claim 1, characterized in that at least one first sealing ring (61) is sleeved on the piston rod (32), the first sealing ring (61) is located below the piston head (33), and when the oil suction rod (3) is in an inserted state, the first sealing ring (61) is pressed and attached to the inner wall of the liquid inlet part (12).
5. The oil dipstick with an oil change function according to claim 1, characterized in that the outer wall of the dipstick tube (2) is provided with scale marks indicating the oil quantity.
6. An engine, characterized by comprising a cylinder body (7), a bottom shell (8) and an engine oil staff gauge with an oil change function according to any one of claims 1-5, wherein the low point of the bottom shell (8) is an oil suction part (81), a staff gauge sleeve (71) for fixing the engine oil staff gauge is arranged on the cylinder body (7), when the engine oil staff gauge is in an assembled state, a staff gauge pipe (2) enters the staff gauge sleeve (71), and the lower end of the staff gauge pipe (2) is positioned in the oil suction part (81).
7. The engine according to claim 6, wherein at least one second sealing ring (62) is sleeved on the liquid inlet part (12), when the engine oil staff gauge is in an assembled state, the liquid inlet part (12) blocks the opening of the staff gauge sleeve (71), and the second sealing ring (62) is tightly pressed and attached with the inner wall of the staff gauge sleeve (71).
8. The engine according to claim 6, characterized in that the oil suction portion (81) is provided with an oil drain hole and an oil drain bolt (82) sealing the oil drain hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910171713.7A CN109763874B (en) | 2019-03-07 | 2019-03-07 | Engine oil dipstick and engine with oil change function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910171713.7A CN109763874B (en) | 2019-03-07 | 2019-03-07 | Engine oil dipstick and engine with oil change function |
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| Publication Number | Publication Date |
|---|---|
| CN109763874A CN109763874A (en) | 2019-05-17 |
| CN109763874B true CN109763874B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910171713.7A Active CN109763874B (en) | 2019-03-07 | 2019-03-07 | Engine oil dipstick and engine with oil change function |
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| CN105179046A (en) * | 2015-09-22 | 2015-12-23 | 奇瑞汽车股份有限公司 | Machine oil ruler installation structure |
| CN205927757U (en) * | 2016-08-10 | 2017-02-08 | 湖北汉唐智能科技股份有限公司 | Machine oil pointer chi press fitting equipment |
| CN209704668U (en) * | 2019-03-07 | 2019-11-29 | 宁波里尔汽车技术有限公司 | A kind of dipstick and engine with function of changing oil |
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| Publication number | Publication date |
|---|---|
| CN109763874A (en) | 2019-05-17 |
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