CN218670169U - Connecting rod part and engine - Google Patents
Connecting rod part and engine Download PDFInfo
- Publication number
- CN218670169U CN218670169U CN202223086272.7U CN202223086272U CN218670169U CN 218670169 U CN218670169 U CN 218670169U CN 202223086272 U CN202223086272 U CN 202223086272U CN 218670169 U CN218670169 U CN 218670169U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- hole
- rod part
- oil groove
- connecting hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model provides a connecting rod part and engine, the connecting rod part is applicable to the engine, the connecting rod part includes the connecting rod body, the connecting rod body includes microcephaly, major part and connecting rod portion, the first end and the major part of connecting rod portion are connected, the second end and the microcephaly of connecting rod portion are connected, be provided with the lubrication oil duct on the connecting rod portion, the first end and the first connecting hole of major part of lubrication oil duct are linked together, the second end and the second connecting hole of microcephaly of lubrication oil duct are linked together; a plurality of first grooves are formed in the hole wall of the second connecting hole and are sequentially arranged along a first preset direction; the small end is sleeved on the piston pin, and at least part of the hole wall of the second connecting hole is used for being in contact with the piston pin. The utility model discloses a connecting rod part has solved the problem that connecting rod part among the prior art exists the pin-biting risk.
Description
Technical Field
The utility model relates to an engine technical field particularly, relates to a connecting rod part and engine.
Background
An engine is a machine that can convert other forms of energy into mechanical energy, including, for example, internal combustion engines, external combustion engines, jet engines, electric motors, and the like.
At present, in order to reduce the cost, the engine can adopt a connecting rod without a bush, however, after the bush is eliminated, the running-in of a piston pin and a small end of the connecting rod is a main problem, and the risk of pin biting exists.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a connecting rod assembly and an engine to solve the problem of the connecting rod assembly in the prior art that the risk of pin biting exists.
In order to achieve the above object, according to an aspect of the present invention, there is provided a connecting rod component suitable for an engine, the connecting rod component comprising a connecting rod body, the connecting rod body comprising a small end, a large end and a connecting rod portion, a first end of the connecting rod portion being connected to the large end, a second end of the connecting rod portion being connected to the small end, the connecting rod portion being provided with a lubricating oil passage, the first end of the lubricating oil passage being communicated with a first connecting hole of the large end, the second end of the lubricating oil passage being communicated with a second connecting hole of the small end; a plurality of first grooves are formed in the hole wall of the second connecting hole and are sequentially arranged along a first preset direction; the small end is sleeved on the piston pin, and at least part of the hole wall of the second connecting hole is used for being in contact with the piston pin.
Furthermore, each first groove extends along a second preset direction, and the second preset direction is perpendicular to the first preset direction; the hole wall of the second connecting hole is provided with a plurality of second grooves which are sequentially arranged along a second preset direction, and each second groove extends along the first preset direction.
Further, an oil groove is formed in the hole wall of the second connecting hole, and the depth of the oil groove is larger than that of the first groove.
Further, an oil groove is formed in the hole wall of the second connecting hole, and the depth of the oil groove is larger than that of the second groove.
Furthermore, the oil groove is strip-shaped and extends along the circumferential direction of the second connecting hole; or the oil groove is Y-shaped; or the oil groove is U-shaped.
Further, the oil groove is an annular oil groove extending along the circumferential direction of the second connecting hole.
Furthermore, a concave part for storing oil is arranged on the hole wall of the second connecting hole, and the concave part is formed by forging.
Further, the small head is provided with a first end face and a second end face which are oppositely arranged along the axial direction of the small head; the connecting rod part comprises at least one recessed structure, the recessed structure comprises two recessed parts, the two recessed parts of the recessed structure are arranged at intervals along the axial direction of the second connecting hole, one of the two recessed parts extends from the first end face to the second end face, and the other of the two recessed parts extends from the second end face to the first end face.
Furthermore, the small head is provided with an oil hole, and the oil hole extends to the hole wall of the second connecting hole from the outer wall of the small head.
According to another aspect of the present invention, there is provided an engine comprising a connecting rod component and a piston pin connected to a small end of the connecting rod component, wherein the connecting rod component is the above-mentioned connecting rod component.
The utility model discloses a connecting rod part is applicable to the engine, and connecting rod part includes the connecting rod body, and the connecting rod body includes microcephaly, major part and connecting rod portion, and the first end and the major part of connecting rod portion are connected, and the second end and the microcephaly of connecting rod portion are connected, and the microcephaly is used for the cover to establish on the piston pin, and at least part of the pore wall of second connecting hole is used for contacting with the piston pin, and this connecting rod part does not have the bush; a lubricating oil channel is arranged on the connecting rod part, the first end of the lubricating oil channel is communicated with the first connecting hole of the big head, and the second end of the lubricating oil channel is communicated with the second connecting hole of the small head; a plurality of first grooves are formed in the hole wall of the second connecting hole and are sequentially arranged along a first preset direction; lubricating oil in the first connecting hole can flow to the second connecting hole through the lubricating oil channel by arranging the lubricating oil channel, so that forced lubrication is realized; and the first grooves can contain lubricating oil, so that large-area lubrication between the piston pin and the hole wall of the second connecting hole is realized.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic view of an embodiment of a connecting rod part according to the invention;
fig. 2 shows a partial enlarged view of a small end of an embodiment of a connecting rod part according to the invention;
figure 3 shows a schematic view of a small end of a connecting rod part according to the invention provided with an annular oil groove;
figure 4 shows a schematic view of a small end of a connecting rod part according to the invention provided with a U-shaped oil groove;
figure 5 shows a schematic view of a small end of a connecting rod part according to the invention provided with a Y-shaped oil groove;
fig. 6 shows a schematic view of a first groove and a second groove of a connecting rod part according to the invention;
fig. 7 shows a schematic view of a first groove of a connecting rod part according to the invention.
Wherein the figures include the following reference numerals:
10. a connecting rod body; 11. a small end; 111. a second connection hole; 112. a first trench; 113. a second trench; 114. an oil hole; 12. a big end; 121. a first connection hole; 13. a link section; 131. a lubricating oil passage; 14. an oil groove.
Detailed Description
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The utility model provides a connecting rod part, please refer to fig. 1 to 7, be applicable to the engine, the connecting rod part includes connecting rod body 10, connecting rod body 10 includes little head 11, big head 12 and connecting rod portion 13, the first end and the big head 12 of connecting rod portion 13 are connected, the second end and the little head 11 of connecting rod portion 13 are connected, be provided with lubricating oil duct 131 on connecting rod portion 13, the first end and the first connecting hole 121 of big head 12 of lubricating oil duct 131 are linked together, the second end and the second connecting hole 111 of little head 11 of lubricating oil duct 131 are linked together; a plurality of first grooves 112 are formed in the hole wall of the second connecting hole 111, and the plurality of first grooves 112 are sequentially arranged along a first preset direction; the small end 11 is used for being sleeved on a piston pin, and at least part of the hole wall of the second connecting hole 111 is used for being in contact with the piston pin.
The utility model discloses a connecting rod part is applicable to the engine, and connecting rod part includes connecting rod body 10, and connecting rod body 10 includes little head 11, major part 12 and connecting rod portion 13, and the first end and the major part 12 of connecting rod portion 13 are connected, and the second end and the little head 11 of connecting rod portion 13 are connected, and little head 11 is used for the cover to establish on the piston pin, and at least part of the pore wall of second connecting hole 111 is used for contacting with the piston pin, and this connecting rod part does not have the bush; a lubricating oil channel 131 is arranged on the connecting rod part 13, a first end of the lubricating oil channel 131 is communicated with the first connecting hole 121 of the large head 12, and a second end of the lubricating oil channel 131 is communicated with the second connecting hole 111 of the small head 11; a plurality of first grooves 112 are formed in the hole wall of the second connecting hole 111, and the plurality of first grooves 112 are sequentially arranged along a first preset direction; the lubricating oil in the first connecting hole 121 can flow to the second connecting hole 111 through the lubricating oil channel 131 by arranging the lubricating oil channel 131, so that forced lubrication is realized; furthermore, the plurality of first grooves 112 can contain lubricating oil, so that large-area lubrication between the piston pin and the hole wall of the second connecting hole 111 is realized, and the connecting rod component is provided with the lubricating oil channel 131 and the plurality of first grooves 112 to enhance the lubrication between the small end and the piston pin, so that the occlusion risk is reduced.
In some embodiments, as shown in fig. 6, each of the first trenches 112 extends along a second predetermined direction, which is perpendicular to the first predetermined direction; the hole wall of the second connection hole 111 is provided with a plurality of second grooves 113, the plurality of second grooves 113 are sequentially arranged along a second preset direction, and each second groove 113 extends along the first preset direction.
In specific implementation, when the plurality of first grooves 112 and the plurality of second grooves 113 are arranged together, the lubricating range of lubricating oil can be further enlarged, the lubrication between the small head and the piston pin can be further enhanced, and the pin biting risk can be reduced.
In some embodiments, the hole wall of the second connection hole 111 is provided with an oil groove 14, and the depth of the oil groove 14 is greater than that of the first groove 112; the depth of the oil groove 14 is greater than that of the second groove 113.
During the concrete implementation, oil groove 14 is darker, can store more lubricating oil to strengthen the lubrication between microcephaly and the piston pin, reduce and sting the round pin risk.
Specifically, the oil groove 14 is in a strip shape, and the oil groove 14 extends along the circumferential direction of the second connection hole 111; alternatively, the oil groove 14 is Y-shaped; alternatively, the oil groove 14 is U-shaped.
Alternatively, when the oil groove 14 has a bar shape, the oil groove 14 is an annular oil groove extending in the circumferential direction of the second connection hole 111.
In some embodiments, the hole wall of the second connection hole 111 is provided with a recess for storing oil, and the recess is formed by forging. In specific implementation, the concave part can store lubricating oil so as to enhance the lubrication between the small head and the piston pin; furthermore, the forged recess does not require machining.
Specifically, the small head 11 has a first end face and a second end face disposed oppositely in the axial direction thereof; the link member includes at least one recess structure including two recess portions, the two recess portions of the recess structure being disposed at intervals in the axial direction of the second connection hole 111, one of the two recess portions extending from the first end surface toward the second end surface, the other of the two recess portions extending from the second end surface toward the first end surface.
In this embodiment, the small head 11 is provided with an oil hole 114, and the oil hole 114 extends from the outer wall of the small head 11 to the hole wall of the second connecting hole 111. This arrangement allows lubricating oil to enter the second connecting bore 111 through the oil bore 114, ensuring a lubricating effect between the small end 11 and the piston pin.
In specific implementation, the lubrication mode of the present application can be used alone, or can be used in combination, for example, the first groove and the second groove can be designed in combination with the recess; or the oil passage, the first groove and the oil groove are designed in a combined mode, and the like.
The connecting rod part of this application does not have the bush, strengthens the lubricated little head of connecting rod and prevents the little head interlock, realizes the matching of no bush connecting rod and piston pin.
The utility model also provides an engine, including connecting rod part and piston pin, the piston pin is connected with the microcephaly 11 of connecting rod part, and the connecting rod part is the connecting rod part in the above-mentioned embodiment.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
the utility model discloses a connecting rod part is applicable to the engine, and connecting rod part includes connecting rod body 10, and connecting rod body 10 includes little head 11, major part 12 and connecting rod portion 13, and the first end and the major part 12 of connecting rod portion 13 are connected, and the second end and the little head 11 of connecting rod portion 13 are connected, and little head 11 is used for the cover to establish on the piston pin, and at least part of the pore wall of second connecting hole 111 is used for contacting with the piston pin, and this connecting rod part does not have the bush; a lubricating oil channel 131 is arranged on the connecting rod part 13, a first end of the lubricating oil channel 131 is communicated with the first connecting hole 121 of the large head 12, and a second end of the lubricating oil channel 131 is communicated with the second connecting hole 111 of the small head 11; a plurality of first grooves 112 are formed in the hole wall of the second connecting hole 111, and the plurality of first grooves 112 are sequentially arranged along a first preset direction; the lubricating oil in the first connecting hole 121 can flow to the second connecting hole 111 through the lubricating oil channel 131 by arranging the lubricating oil channel 131, so that forced lubrication is realized; furthermore, the plurality of first grooves 112 can contain lubricating oil, so that large-area lubrication between the piston pin and the hole wall of the second connecting hole 111 is realized, and the connecting rod component is provided with the lubricating oil channel 131 and the plurality of first grooves 112 to enhance the lubrication between the small end and the piston pin, so that the occlusion risk is reduced.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the 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 a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A connecting rod component suitable for an engine, comprising a connecting rod body (10), the connecting rod body (10) comprising a small end (11), a large end (12) and a connecting rod portion (13), a first end of the connecting rod portion (13) being connected with the large end (12), a second end of the connecting rod portion (13) being connected with the small end (11), characterized in that,
a lubricating oil channel (131) is arranged on the connecting rod part (13), a first end of the lubricating oil channel (131) is communicated with a first connecting hole (121) of the large head (12), and a second end of the lubricating oil channel (131) is communicated with a second connecting hole (111) of the small head (11); a plurality of first grooves (112) are formed in the hole wall of the second connecting hole (111), and the first grooves (112) are sequentially arranged along a first preset direction; the small end (11) is used for being sleeved on a piston pin, and at least part of the hole wall of the second connecting hole (111) is used for being in contact with the piston pin.
2. A link member according to claim 1, wherein each of the first grooves (112) extends in a second predetermined direction perpendicular to the first predetermined direction; be provided with a plurality of second slot (113) on the pore wall of second connecting hole (111), it is a plurality of second slot (113) are followed second direction of predetermineeing sets gradually, and is individual second slot (113) all follow first direction of predetermineeing extends.
3. A link member according to claim 1, wherein an oil groove (14) is provided on a hole wall of the second connecting hole (111), and a depth of the oil groove (14) is larger than a depth of the first groove (112).
4. A link member according to claim 2, wherein an oil groove (14) is provided on a hole wall of the second connecting hole (111), and a depth of the oil groove (14) is larger than a depth of the second groove (113).
5. The link member according to claim 3 or 4,
the oil groove (14) is strip-shaped, and the oil groove (14) extends along the circumferential direction of the second connecting hole (111); or
The oil groove (14) is Y-shaped; or alternatively
The oil groove (14) is U-shaped.
6. A connecting rod part according to claim 5, characterized in that the oil groove (14) is an annular oil groove extending in the circumferential direction of the second connecting hole (111).
7. A connecting rod part according to claim 1, characterized in that a recess for storing oil is provided on a bore wall of the second connecting bore (111), the recess being formed by forging.
8. A link member according to claim 7, characterized in that the small end (11) has a first end face and a second end face which are oppositely disposed in an axial direction thereof; the connecting rod part comprises at least one concave structure, the concave structure comprises two concave parts, the two concave parts of the concave structure are arranged at intervals along the axial direction of the second connecting hole (111), one of the two concave parts extends towards the second end face from the first end face, and the other concave part extends towards the first end face from the second end face.
9. A connecting rod part according to claim 1, characterized in that the small head (11) is provided with an oil hole (114), and the oil hole (114) extends from the outer wall of the small head (11) to the hole wall of the second connecting hole (111).
10. An engine comprising a connecting rod part and a piston pin, which is connected with a small end (11) of the connecting rod part, characterized in that the connecting rod part is a connecting rod part according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223086272.7U CN218670169U (en) | 2022-11-21 | 2022-11-21 | Connecting rod part and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223086272.7U CN218670169U (en) | 2022-11-21 | 2022-11-21 | Connecting rod part and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218670169U true CN218670169U (en) | 2023-03-21 |
Family
ID=85538382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223086272.7U Active CN218670169U (en) | 2022-11-21 | 2022-11-21 | Connecting rod part and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218670169U (en) |
-
2022
- 2022-11-21 CN CN202223086272.7U patent/CN218670169U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1812202B1 (en) | Method of manufacturing a connecting rod assembly for an internal combustion engine | |
| US6279456B1 (en) | Piston | |
| KR0123769Y1 (en) | Connecting rod | |
| US8393792B2 (en) | Bearing device | |
| US20130291957A1 (en) | Snap ring installation and removal tool | |
| EP2274120A1 (en) | Metal forged crankshaft, apparatus for metal forging a crankshaft and method of metal forging a crankshaft | |
| CN218670169U (en) | Connecting rod part and engine | |
| EP0959232A2 (en) | Roller cam follower bearing shaft retention | |
| CN108474409A (en) | variable compression ratio connecting rod | |
| EP3526462B1 (en) | Cylinder block of internal combustion engine | |
| EP2612017B1 (en) | Pump unit for feeding fuel, preferably diesel fuel, to an internal combustion engine and associated assembly method | |
| CN211819543U (en) | Power camshaft on ship | |
| EP1808607B1 (en) | Journal bearing structure for crankshaft | |
| CN209414088U (en) | Piston structure and compressor with it | |
| CN113074181A (en) | Internal combustion engine connecting rod bush oil groove structure and connecting rod assembly | |
| CN216110896U (en) | Valve tappet | |
| CN211231296U (en) | Copper bush structure for precision self-lubricating bearing | |
| JP6196796B2 (en) | Connecting rod | |
| CN216044960U (en) | Crankshaft connecting rod with large oil groove structure | |
| CN111059150B (en) | Copper bush structure for precision self-lubricating bearing | |
| KR200301510Y1 (en) | light-weight piston pin for internal combustion engine | |
| WO2010008362A1 (en) | Piston for internal combustion engine, compressor or the like | |
| JP2016044637A (en) | Lubrication structure of piston pin | |
| KR200290481Y1 (en) | End piece for cam shaft | |
| JP2561973Y2 (en) | Piston for internal combustion engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |