CN215214664U - Rear power take-off device and engine with same - Google Patents
Rear power take-off device and engine with same Download PDFInfo
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- CN215214664U CN215214664U CN202120093579.6U CN202120093579U CN215214664U CN 215214664 U CN215214664 U CN 215214664U CN 202120093579 U CN202120093579 U CN 202120093579U CN 215214664 U CN215214664 U CN 215214664U
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- oil
- oil inlet
- bolt
- hollow bolt
- rear power
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Abstract
The utility model belongs to the technical field of the engine, the utility model provides a back power takeoff and engine, the utility model provides a back power takeoff is equipped with the fuel sprayer towards bearing assembly on the lubrication assembly through setting up lubrication assembly, and the big or small relation of oil inlet diameter size and oil inlet volume has been calculated in advance, and lubricating oil gets into from first oil inlet, and the lubricated subassembly of way flows from the fuel sprayer at last, because there is pressure when lubricating oil blowout, so lubricating oil directly splashes bearing assembly, produces lubricated effect to the bearing. In practical application, quantitative lubrication of lubricating oil is formed, and the waste of lubricating oil pressure caused by excessive oil feeding and random splashing of the lubricating oil in the original scheme is avoided.
Description
Technical Field
The utility model belongs to the technical field of the engine, concretely relates to back power takeoff. The utility model discloses still relate to an engine.
Background
This section provides background information related to the present disclosure only and is not necessarily prior art.
At present, aiming at an assembly type rear power takeoff structure, oil entering a rear power takeoff assembly is pressure oil, after the pressure oil enters, the oil lubricates parts inside a shell in a free splashing state, part of lubricating oil splashes to a bearing rolling body, and part of the lubricating oil splashes to an intermediate gear shaft. Wherein the lubricating oil that splashes on the bearing rolling element can form effective lubrication and cooling to the bearing, and the lubricating oil that splashes on the intermediate gear axle falls along with gravity and flows back to the oil pan, and this part oil does not form effective action to the bearing, forms extravagantly. And the engine oil pressure can be reduced, the lubricating performance of the engine is reduced, and the reliability of the engine is seriously influenced. And the oil leakage of the rear power take-off oil seal always is one of the risks influencing the reliability of the engine, so that the oil quantity in the rear power take-off assembly is reduced, and the risk of oil leakage is favorably reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the lubricating oil of back power takeoff can waste a part among the prior art at least, this purpose is realized through following technical scheme:
the utility model discloses a first aspect provides a back power takeoff, back power takeoff includes:
the mounting structure comprises a shell, a mounting cavity is formed in the shell along the axial direction, and a mounting hole is formed in the shell and is used for communicating the mounting cavity with the outside of the shell;
an intermediate gear shaft rotatably mounted in the mounting cavity;
a bearing assembly installed between the intermediate gear shaft and a wall surface of the installation cavity;
the lubricating assembly is installed in the installation hole and comprises a first oil inlet and at least one oil injection port communicated with the first oil inlet, the first oil inlet is used for introducing lubricating oil, the oil injection port is used for injecting the lubricating oil, and the oil injection port is injected with oil in a direction towards the roller of the bearing assembly.
The utility model provides a back power takeoff is equipped with the nozzle towards bearing assembly on the lubricated subassembly through setting up lubricated subassembly, the big or small relation of oil inlet diameter size and the volume of advancing of precalculating, in practical application, forms the lubricating oil ration lubrication, avoids former scheme lubricating oil feed too much and splashes at will and cause lubricating oil pressure extravagant.
In addition, according to the utility model discloses a back power takeoff, still can have following additional technical characterstic:
in some embodiments of the present invention, the bearing assembly includes a first bearing and a second bearing, the first bearing is disposed between the first end of the housing and the intermediate gear shaft, the second bearing is disposed between the second end of the housing and the intermediate gear shaft, and the mounting hole is disposed between the first end of the housing and the second end.
In some embodiments of the present invention, the rear power take-off device includes two oil spray holes, wherein one of the oil spray holes has an oil spray direction facing the first bearing, and the other oil spray hole has an oil spray direction facing the second bearing.
The utility model discloses an in some embodiments, the lubrication assembly includes the oil feed bolt, the oil feed bolt is worn to locate in the mounting hole, the inside of oil feed bolt forms first oil inlet way along the axial direction, at least one nozzle opening is located on the oil feed bolt, just first oil inlet way with at least one nozzle opening intercommunication.
The utility model discloses an in some embodiments, lubricating component still includes hollow bolt and oil feed calabash head, hollow bolt's inside forms the second oil feed way along axial direction, the oil feed bolt wears to locate in the second oil feed way, hollow bolt wears to locate in the mounting hole, hollow bolt is equipped with the second oil inlet, the second oil inlet is used for the intercommunication hollow bolt's outside with the second oil feed way, oil feed calabash head cover is located hollow bolt's the outside, oil feed calabash head joint is in hollow bolt's spiral shell head with between the casing, the inside of oil feed calabash head forms third oil feed way, the third oil feed way with second oil inlet intercommunication, first oil inlet is located on the oil feed calabash head and with third oil feed way intercommunication.
The utility model discloses an in some embodiments, back power takeoff still includes spacing groove and stopper, the spacing groove is located the casing mounting hole department, the stopper is located the top of oil feed bolt, the appearance of stopper with the appearance looks adaptation of spacing groove.
In some embodiments of the present invention, the stopper and the oil inlet bolt are of an integral structure.
In some embodiments of the present invention, the oil inlet bolt is screwed with the hollow bolt, and the hollow bolt is screwed with the mounting hole.
In some embodiments of the utility model, the back power takeoff is still located including the cover the first sealing washer and the second sealing washer of hollow bolt's outer peripheral face, first sealing washer joint in the oil feed calabash head with between the spiral shell head of hollow bolt, second sealing washer joint in the oil feed calabash head with between the casing.
A second aspect of the present invention provides an engine, comprising:
a crankshaft;
the utility model discloses the back power takeoff that the first aspect provided, back power takeoff the intermediate gear axle with crankshaft drive connects.
The utility model discloses the engine that the second aspect provided have with the utility model discloses the same beneficial effect of back power takeoff device that the first aspect provided, no longer give unnecessary details here.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:
fig. 1 schematically shows a schematic structural view of a rear power take-off according to an embodiment of the present invention;
fig. 2 schematically shows a cross-sectional structural view of a rear power take-off according to an embodiment of the present invention;
fig. 3 schematically shows a structural schematic view of a hollow bolt of a rear power take-off according to an embodiment of the present invention;
fig. 4 schematically shows an assembly schematic diagram of an oil inlet bolt and a hollow bolt of a rear power take-off according to an embodiment of the present invention;
fig. 5 schematically shows a schematic partial top view of a rear power take-off according to an embodiment of the invention;
the reference symbols in the drawings denote the following:
100: a rear power take-off device;
10: a housing, 11: a mounting cavity;
20: an intermediate gear shaft;
30: first oil inlet, 31: oil inlet bolt, 32: hollow bolt, 33: oil inlet gourd head, 34: spacing groove, 35: limiting blocks and 36: first oil inlet passage, 37: second oil inlet passage, 38: third oil intake passage, 39: a second oil inlet;
41: first bearing, 42: a second bearing;
51: first seal ring, 52: and a second seal ring.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.
Although the terms, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, an element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "inner", "side", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1 to 5, a first aspect of the present invention provides a rear power take-off device 100, where the rear power take-off device 100 includes:
the structure comprises a shell 10, wherein a mounting cavity 11 is formed inside the shell 10 along the axial direction, and the shell 10 is provided with a mounting hole which is used for communicating the outside of the shell 10 with the mounting cavity 11;
an intermediate gear shaft 20, the intermediate gear shaft 20 being rotatably mounted in the mounting cavity 11 of the housing 10;
a bearing assembly installed between the intermediate gear shaft 20 and the wall surface of the installation cavity 11;
and the lubricating assembly is installed in the mounting hole and comprises a first oil inlet 30 and at least one oil spray nozzle communicated with the first oil inlet 30, the first oil inlet 30 is used for introducing lubricating oil, the oil spray nozzle is used for spraying out the lubricating oil, and the oil spray nozzle is sprayed towards the roller of the bearing assembly.
The utility model provides a back power takeoff 100 is equipped with the nozzle towards bearing assembly on the lubricated subassembly through setting up lubricated subassembly, and the big or small relation of oil inlet diameter size and the oil input volume is calculated in advance, and lubricating oil gets into from first oil inlet 30, and the lubricated subassembly of way flows from the nozzle at last, because there is pressure when lubricating oil blowout, so lubricating oil directly splashes to bearing assembly, produces lubricated effect to the bearing. In practical application, quantitative lubrication of lubricating oil is formed, and the waste of lubricating oil pressure caused by excessive oil feeding and random splashing of the lubricating oil in the original scheme is avoided.
In some embodiments of the present invention, the bearing assembly includes a first bearing 41 and a second bearing 41, the first bearing 41 is disposed between the first end of the housing 10 and the intermediate gear shaft 20, the second bearing 41 is disposed between the second end of the housing 10 and the intermediate gear shaft 20, the mounting hole is disposed between the first end and the second end of the housing 10, two bearings are provided to reduce the friction between the intermediate gear shaft 20 and the housing 10, the lubricating assembly is disposed between the two bearings, and the lubrication of the two bearings can be considered.
In some embodiments of the present invention, the rear power take-off 100 includes two oil injection holes, wherein the oil injection direction of one oil injection hole faces the first bearing 41, and the oil injection direction of the other oil injection hole faces the second bearing 41, so that the lubrication assembly can be used for lubricating both bearings.
The utility model discloses an in some embodiments, lubricating component includes oil feed bolt 31, and in the mounting hole was worn to locate by oil feed bolt 31, the inside of oil feed bolt 31 formed first oil feed way 36 along axial direction, and on oil feed bolt 31 was located to at least one nozzle opening, first oil feed way 36 and at least one nozzle opening intercommunication are used for introducing lubricating oil and spout to the bearing through setting up oil feed bolt 31, simple structure, and the cost is lower.
The utility model discloses an in some embodiments, the lubricating component still includes hollow bolt 32 and oil feed calabash head 33, hollow bolt 32's inside forms second oil feed way 37 along axial direction, oil feed bolt 31 wears to locate in second oil feed way 37, hollow bolt 32 wears to locate in the mounting hole, hollow bolt 32 is equipped with second oil inlet 39, second oil inlet 39 is used for communicateing hollow bolt 32's outside and second oil feed way 37, the outside of hollow bolt 32 is located to oil feed calabash head 33 cover, oil feed calabash head 33 joint is between hollow bolt 32's spiral shell head and casing 10, the inside of oil feed calabash head 33 forms third oil feed way 38, third oil feed way 38 and second oil inlet 39 intercommunication, first oil inlet 30 is located on oil feed calabash head 33 and is linked together with third oil feed way 38, above-mentioned structure leakproofness is good, and compact structure, it is little to occupy the space.
The utility model discloses an in some embodiments, back power take-off 100 still includes spacing groove 34 and stopper 35, and the mounting hole department of casing 10 is located to spacing groove 34, and stopper 35 is connected with oil feed bolt 31, and stopper 35's appearance and spacing groove 34's appearance looks adaptation make the oil spout direction of lubricating oil can be fixed through setting up stopper 35.
The utility model discloses an in some embodiments, stopper 35 and oil feed bolt 31 structure as an organic whole, it is the location of oil feed bolt 31 through stopper 35, stopper 35 can be with the location of oil feed bolt 31 spiro union.
The utility model discloses an in some embodiments, oil feed bolt 31 and hollow bolt 32 spiro union, hollow bolt 32 and mounting hole spiro union, the spiro union leakproofness is good.
The utility model discloses an in some embodiments, back power takeoff 100 still includes first sealing washer 51 and the second sealing washer 52 that the cover located hollow bolt 32's outer peripheral face, and first sealing washer 51 joint is between the spiral shell head of oil feed calabash head 33 and hollow bolt 32, and second sealing washer 52 joint is between oil feed calabash head 33 and casing 10, through setting up the sealed easy oil leak department of sealing washer.
The second aspect of the present invention provides an engine, comprising:
a crankshaft;
the utility model discloses back power take-off 100 that the first aspect provided, back power take-off 100's intermediate gear axle 20 is connected with the crankshaft transmission.
The utility model discloses the engine that the second aspect provided have with the utility model discloses the same beneficial effect of back power take-off 100 that the first aspect provided, no longer give unnecessary details here.
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 changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A rear power take-off, comprising:
the mounting structure comprises a shell, a mounting cavity is formed in the shell along the axial direction, and a mounting hole is formed in the shell and is used for communicating the mounting cavity with the outside of the shell;
an intermediate gear shaft rotatably mounted in the mounting cavity;
a bearing assembly installed between the intermediate gear shaft and a wall surface of the installation cavity;
the lubricating assembly is installed in the installation hole and comprises a first oil inlet and at least one oil injection port communicated with the first oil inlet, the first oil inlet is used for introducing lubricating oil, the oil injection port is used for injecting the lubricating oil, and the oil injection port is injected with oil in a direction towards the roller of the bearing assembly.
2. The backpower takeoff device of claim 1, wherein the bearing assembly includes a first bearing disposed between the first end of the housing and the idler shaft and a second bearing disposed between the second end of the housing and the idler shaft, the mounting bore being disposed between the first end and the second end of the housing.
3. The backpower takeoff device of claim 2, wherein said backpower takeoff device includes two of said oil jets, one of said oil jets having a jet direction oriented toward said first bearing and the other of said oil jets having a jet direction oriented toward said second bearing.
4. The rear power takeoff device according to claim 1, wherein the lubricating assembly comprises an oil inlet bolt, the oil inlet bolt is arranged in the mounting hole in a penetrating mode, a first oil inlet channel is formed inside the oil inlet bolt along the axial direction, the at least one oil injection port is arranged on the oil inlet bolt, and the first oil inlet channel is communicated with the at least one oil injection port.
5. The rear power takeoff device of claim 4, wherein said lubricating assembly further comprises a hollow bolt and an oil feed gourd head, a second oil inlet channel is formed inside the hollow bolt along the axial direction, the oil inlet bolt is arranged in the second oil inlet channel in a penetrating way, the hollow bolt is arranged in the mounting hole in a penetrating manner, the hollow bolt is provided with a second oil inlet, the second oil inlet is used for communicating the outside of the hollow bolt with the second oil inlet channel, the oil inlet hoist head is sleeved outside the hollow bolt and is clamped between the screw head of the hollow bolt and the shell, a third oil inlet channel is formed inside the oil inlet gourd head and is communicated with the second oil inlet, the first oil inlet is arranged on the oil inlet gourd head and communicated with the third oil inlet duct.
6. The rear power take-off device as claimed in claim 4, further comprising a limiting groove and a limiting block, wherein the limiting groove is formed in the mounting hole of the shell, the limiting block is arranged at the top of the oil inlet bolt, and the shape of the limiting block is matched with that of the limiting groove.
7. The rear power take-off device according to claim 6, wherein the limiting block and the oil inlet bolt are of an integrated structure.
8. The rear power takeoff device of claim 5, wherein the oil inlet bolt is in threaded connection with the hollow bolt, and the hollow bolt is in threaded connection with the mounting hole.
9. The rear power take-off device as claimed in claim 5, further comprising a first sealing ring and a second sealing ring sleeved on the outer peripheral surface of the hollow bolt, wherein the first sealing ring is clamped between the oil feeding gourd head and the screw head of the hollow bolt, and the second sealing ring is clamped between the oil feeding gourd head and the shell.
10. An engine, characterized in that the engine comprises:
a crankshaft;
rear power take-off according to any one of claims 1 to 9, the intermediate gear shaft of which is in driving connection with the crankshaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120093579.6U CN215214664U (en) | 2021-01-13 | 2021-01-13 | Rear power take-off device and engine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120093579.6U CN215214664U (en) | 2021-01-13 | 2021-01-13 | Rear power take-off device and engine with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215214664U true CN215214664U (en) | 2021-12-17 |
Family
ID=79437792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120093579.6U Active CN215214664U (en) | 2021-01-13 | 2021-01-13 | Rear power take-off device and engine with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215214664U (en) |
-
2021
- 2021-01-13 CN CN202120093579.6U patent/CN215214664U/en active Active
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