CN215890254U - Oil return pipe of engine oil injection pump - Google Patents
Oil return pipe of engine oil injection pump Download PDFInfo
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- CN215890254U CN215890254U CN202121969476.8U CN202121969476U CN215890254U CN 215890254 U CN215890254 U CN 215890254U CN 202121969476 U CN202121969476 U CN 202121969476U CN 215890254 U CN215890254 U CN 215890254U
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- oil
- wall
- fixed
- pipe body
- oil pipe
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- 238000002347 injection Methods 0.000 title claims abstract description 18
- 239000007924 injection Substances 0.000 title claims abstract description 18
- 239000003921 oil Substances 0.000 title claims description 87
- 239000010705 motor oil Substances 0.000 title claims description 10
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 238000013016 damping Methods 0.000 claims abstract description 15
- 230000035939 shock Effects 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 210000001503 joint Anatomy 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to the technical field of oil return pipes, in particular to an oil return pipe of an engine injection pump, which comprises an oil pipe body, wherein two ends of the oil pipe body are respectively provided with a mounting opening, the inner walls of the two mounting openings are respectively fixed with a fixed pipe, one end of each of the two fixed pipes is respectively fixed with an oil inlet joint and an oil outlet joint, and the outer wall of each fixed pipe, which is positioned in the mounting opening, is provided with three annular grooves which are distributed at equal intervals. The damping parts which are distributed equidistantly are sleeved outside the oil pipe body, the T-shaped columns can extrude the damping springs when being stressed, then the damping springs shrink to buffer, so that the vibration force borne by the oil pipe body is reduced, the limiting assembly can ensure that the oil pipe body does not deviate when in damping operation, the stability of the oil pipe body is well ensured, the possibility of gasoline leakage is reduced, the sealing washer is sleeved on the outer wall of the annular sealing plate, the sealing washer is embedded in the annular groove of the fixed pipe, and the sealing treatment can be carried out on the joint of the oil pipe body and the fixed pipe.
Description
Technical Field
The utility model relates to the technical field of oil return pipes, in particular to an oil return pipe of an engine oil injection pump.
Background
Most of the existing automobiles are provided with an oil return pipe, oil is supplied to an engine by a fuel pump, certain pressure is formed, except for the condition that the oil is normally supplied to a fuel nozzle for oil injection, the rest fuel oil is returned to an oil tank through an oil return pipeline, and the rest gasoline steam collected by a carbon tank is returned to the oil return pipe of the oil tank through the oil return pipe, so that the rest oil can be returned to the oil tank, the pressure for discharging the gasoline can be achieved, and the oil consumption can be reduced.
At present, the oil return pipe can be bumped in the automobile transportation process, the oil return pipe is mostly paved on a shell of a gasoline tank, corresponding protection operation is not set for protecting the oil return pipe, and the leakage condition is easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides an oil return pipe of an engine oil injection pump.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an engine injection pump oil return pipe, includes the oil pipe body, the installing port has been seted up respectively at the both ends of oil pipe body, and the inner wall of two installing ports all is fixed with fixed pipe, and two fixed pipe one ends are fixed with the oil feed respectively and connect and produce oil and connect, fixed pipe is located the intraoral outer wall of installing and sets up the ring channel that three equidistance distributes, and the inner wall of installing port is fixed with the annular seal board that three equidistance distributes, seal ring has been cup jointed to the outer wall of annular seal board, and seal ring and ring channel form the scarf joint cooperation, the oil pipe body is close to the both ends inner wall of fixed pipe and all has the support circle frame, and supports the circle frame and be linked together with fixed pipe, the shock attenuation part that the equidistance distributes has been cup jointed to the outer wall of oil pipe body.
Preferably, the shock attenuation part includes rectangular block and connecting plate, and the round mouth has been seted up to the outer wall of rectangular block, the inner wall of round mouth is fixed with the slipmat, and the fixed cover of oil pipe body connects in the inner wall of slipmat, the connecting plate is located one side of rectangular block, and one side outer wall that the connecting plate is close to the oil pipe body is fixed with the spacing subassembly of two symmetric distributions, spacing subassembly and rectangular block fixed connection, one side outer wall middle part that the connecting plate is close to the oil pipe body is fixed with the cavity post, and one side outer wall of cavity post has seted up the sliding opening, the inner wall sliding connection of sliding opening has T shape post, and T shape post one end and rectangular block fixed connection, the one end outer wall that the T shape post is located the inside of cavity post is fixed with damping spring, and damping spring's one end and the inner wall fixed connection of cavity post.
Preferably, the limiting assembly comprises a limiting rod and a T-shaped rod, the limiting rod is connected with the connecting plate, one end of the T-shaped rod is connected with the rectangular block, a limiting opening is formed in one end of the limiting rod, and the T-shaped rod and the inner wall of the limiting opening form sliding fit.
Preferably, the hollow column is located between the two limit rods, and one end of the T-shaped column is in sliding fit with the inner wall of the hollow column.
Preferably, four mounting holes which are distributed in a rectangular shape are formed in the outer wall of the top of the connecting plate, and the specification of the non-slip mat is matched with that of the round opening.
Preferably, the outer diameter of the oil pipe body is the same as the inner diameter of the anti-slip pad, and two symmetrically distributed built-in grooves are reserved on the oil pipe body.
The utility model has the beneficial effects that:
1. according to the oil return of the engine oil injection pump, the shock absorption parts distributed at equal intervals are sleeved outside the oil pipe body, the shock absorption spring can be extruded when the T-shaped column is stressed, and then the shock absorption spring contracts to absorb the shock, so that the vibration force borne by the oil pipe body is reduced, the limiting assembly can ensure that the oil pipe body cannot deviate during shock absorption operation, the stability of the oil pipe body is well ensured, and the possibility of gasoline leakage is reduced;
2. this engine injection pump oil return, the outer wall that has set up annular seal plate has cup jointed seal ring, and seal ring scarf joint can carry out sealing treatment to oil pipe body and fixed union coupling department in the ring channel of fixed pipe, and the reducible ambient temperature of two built-in grooves causes the influence to oil pipe body is inside, further improves holistic sealing performance.
Drawings
FIG. 1 is a schematic diagram of a vertical cross-sectional structure of an oil return pipe of an engine injection pump according to the present invention;
FIG. 2 is an enlarged structural diagram of a vertical section of a damping component of an oil return pipe of an engine injection pump according to the present invention;
fig. 3 is an enlarged structural diagram of a in fig. 1.
In the figure: the oil pipe comprises an oil pipe body 1, a fixed pipe 2, an oil inlet joint 3, an oil outlet joint 4, a built-in groove 5, an annular sealing plate 6, a sealing washer 7, a supporting circular frame 8, a rectangular block 9, an anti-skid pad 10, a connecting plate 11, a hollow column 12, a damping spring 13, a T-shaped column 14, a limiting rod 15, a T-shaped rod 16 and a mounting hole 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, an oil return pipe of an engine injection pump comprises an oil pipe body 1, wherein two ends of the oil pipe body 1 are respectively provided with a mounting port, and the inner walls of the two mounting openings are both fixed with a fixed pipe 2, one end of each of the two fixed pipes 2 is respectively fixed with an oil inlet joint 3 and an oil outlet joint 4, the outer wall of the fixed pipe 2 in the mounting openings is provided with three annular grooves which are distributed equidistantly, three annular sealing plates 6 which are distributed at equal intervals are fixed on the inner wall of the mounting opening, the outer wall of each annular sealing plate 6 is sleeved with a sealing gasket 7, the sealing washer 7 is in scarf joint and matching with the annular groove, the sealing washer is sleeved on the outer wall provided with the annular sealing plate and is embedded in the annular groove of the fixed pipe, the joint of the oil pipe body and the fixed pipe can be sealed, and the two built-in grooves can reduce the influence of external temperature on the interior of the oil pipe body and further improve the overall sealing performance;
the inner walls of two ends, close to the fixed pipe 2, of the oil pipe body 1 are provided with supporting circular frames 8, the supporting circular frames 8 are communicated with the fixed pipe 2, the outer wall of the oil pipe body 1 is sleeved with shock absorption parts which are distributed equidistantly, the shock absorption parts which are distributed equidistantly are sleeved outside the oil pipe body, the T-shaped columns can extrude shock absorption springs under stress, and then the shock absorption springs shrink to buffer, so that the vibration force borne by the oil pipe body is reduced, the limiting assembly can ensure that the oil pipe body cannot deviate during shock absorption operation, the stability of the oil pipe body is well ensured, and the possibility of gasoline leakage is reduced;
the damping part comprises a rectangular block 9 and a connecting plate 11, the outer wall of the rectangular block 9 is provided with a round opening, the inner wall of the round opening is fixed with an anti-skid pad 10, an oil pipe body 1 is fixedly sleeved on the inner wall of the anti-skid pad 10, the connecting plate 11 is positioned at one side of the rectangular block 9, the outer wall of one side of the connecting plate 11, which is close to the oil pipe body 1, is fixed with two symmetrically distributed limiting assemblies, the limiting assemblies are fixedly connected with the rectangular block 9, the middle part of the outer wall of one side of the connecting plate 11, which is close to the oil pipe body 1, is fixed with a hollow column 12, the outer wall of one side of the hollow column 12 is provided with a sliding opening, the inner wall of the sliding opening is connected with a T-shaped column 14 in a sliding manner, one end of the T-shaped column 14 is fixedly connected with the rectangular block 9, the outer wall of one end of the T-shaped column 14, which is positioned inside the hollow column 12, is fixed with a damping spring 13, one end of the damping spring is fixedly connected with the inner wall of the hollow column 12, the limiting assembly comprises a limiting rod 15 and a T-shaped rod 16, and gag lever post 15 is connected with connecting plate 11, T shape pole 16 one end is connected with rectangular block 9, and gag lever post 15's one end has been seted up spacing mouthful, and T shape pole 16 forms sliding fit with the inner wall of spacing mouthful, well hollow column 12 is located between two gag lever posts 15, and the one end of T shape post 14 forms sliding fit with the inner wall of well hollow column 12, four mounting holes 17 that are the rectangle form and distribute are seted up to the top outer wall of connecting plate 11, and the specification of slipmat 10 and the specification looks adaptation of round mouth, the external diameter of oil pipe body 1 is the same with the internal diameter of slipmat 10, and oil pipe body 1 leaves the built-in groove 5 of two symmetric distributions.
The working principle is as follows: when oil pipe body 1 receives jolting, damping spring 13 can be squeezed to the T shape post 14 atress of outside a plurality of shock attenuation parts, then damping spring 13 shrink cushions, thereby reduce the power of shaking that oil pipe body 1 received, spacing subassembly can ensure that oil pipe body 1 can not take place the skew when carrying out the shock attenuation operation, fine guarantee oil pipe body 1 stability, reduce the possibility that petrol leaked, seal ring 7 has been cup jointed to the outer wall of annular seal plate 6, seal ring 7 scarf joint is in the ring channel of fixed pipe 2, can seal the processing to oil pipe body 1 and fixed pipe 2 junction, the reducible external temperature of two built-in grooves 5 causes the influence to oil pipe body 1 inside, further improve holistic sealing performance.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. An oil return pipe of an engine oil injection pump comprises an oil pipe body (1) and is characterized in that two ends of the oil pipe body (1) are respectively provided with a mounting opening, and the inner walls of the two mounting ports are fixed with fixed pipes (2), one ends of the two fixed pipes (2) are respectively fixed with an oil inlet joint (3) and an oil outlet joint (4), the outer wall of the fixed pipe (2) in the mounting opening is provided with three annular grooves which are distributed at equal intervals, three annular sealing plates (6) which are distributed at equal intervals are fixed on the inner wall of the mounting opening, sealing gaskets (7) are sleeved on the outer walls of the annular sealing plates (6), and the sealing washer (7) is in scarf joint fit with the annular groove, the inner walls of the two ends of the oil pipe body (1) close to the fixed pipe (2) are provided with supporting circular frames (8), and the supporting round frame (8) is communicated with the fixed pipe (2), and the outer wall of the oil pipe body (1) is sleeved with shock absorption parts distributed at equal intervals.
2. The oil return pipe of the engine oil injection pump according to claim 1, wherein the shock absorption component comprises a rectangular block (9) and a connecting plate (11), the outer wall of the rectangular block (9) is provided with a round opening, the inner wall of the round opening is fixed with an anti-slip pad (10), the oil pipe body (1) is fixedly sleeved on the inner wall of the anti-slip pad (10), the connecting plate (11) is positioned on one side of the rectangular block (9), the outer wall of one side of the connecting plate (11) close to the oil pipe body (1) is fixed with two symmetrically distributed limiting assemblies, the limiting assemblies are fixedly connected with the rectangular block (9), the middle part of the outer wall of one side of the connecting plate (11) close to the oil pipe body (1) is fixed with a hollow column (12), the outer wall of one side of the hollow column (12) is provided with a sliding opening, the inner wall of the sliding opening is slidably connected with a T-shaped column (14), and one end of the T-shaped column (14) is fixedly connected with the rectangular block (9), the outer wall of one end of the T-shaped column (14) positioned in the hollow column (12) is fixed with a damping spring (13), and one end of the damping spring (13) is fixedly connected with the inner wall of the hollow column (12).
3. The oil return pipe of the engine oil injection pump according to claim 2, wherein the limiting assembly comprises a limiting rod (15) and a T-shaped rod (16), the limiting rod (15) is connected with the connecting plate (11), one end of the T-shaped rod (16) is connected with the rectangular block (9), one end of the limiting rod (15) is provided with a limiting opening, and the T-shaped rod (16) is in sliding fit with the inner wall of the limiting opening.
4. The oil return pipe of the engine oil injection pump according to claim 2, characterized in that the hollow column (12) is located between two limiting rods (15), and one end of the T-shaped column (14) forms a sliding fit with the inner wall of the hollow column (12).
5. The oil return pipe of the engine injection pump according to claim 2, wherein the top outer wall of the connecting plate (11) is provided with four mounting holes (17) which are distributed in a rectangular shape, and the specification of the non-slip mat (10) is matched with the specification of a round opening.
6. The oil return pipe of the engine oil injection pump according to claim 1, characterized in that the outer diameter of the oil pipe body (1) is the same as the inner diameter of the non-slip mat (10), and two symmetrically distributed built-in grooves (5) are reserved on the oil pipe body (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121969476.8U CN215890254U (en) | 2021-08-20 | 2021-08-20 | Oil return pipe of engine oil injection pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121969476.8U CN215890254U (en) | 2021-08-20 | 2021-08-20 | Oil return pipe of engine oil injection pump |
Publications (1)
Publication Number | Publication Date |
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CN215890254U true CN215890254U (en) | 2022-02-22 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202121969476.8U Active CN215890254U (en) | 2021-08-20 | 2021-08-20 | Oil return pipe of engine oil injection pump |
Country Status (1)
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CN (1) | CN215890254U (en) |
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2021
- 2021-08-20 CN CN202121969476.8U patent/CN215890254U/en active Active
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Effective date of registration: 20231205 Address after: 315300 Jiangnan Village, Andong Town, Cixi City, Ningbo City, Zhejiang Province Patentee after: CIXI XIYI MOTORCYCLE PARTS CO.,LTD. Address before: 214000 Dong Shi Yuan, Cha Qiao Chun Guang Cun, an Zhen Jie Dao, Xishan District, Wuxi City, Jiangsu Province Patentee before: Wuxi Delite Precision Machinery Technology Co.,Ltd. |