CN214698749U - Light crankshaft of gasoline engine - Google Patents
Light crankshaft of gasoline engine Download PDFInfo
- Publication number
- CN214698749U CN214698749U CN202120412319.0U CN202120412319U CN214698749U CN 214698749 U CN214698749 U CN 214698749U CN 202120412319 U CN202120412319 U CN 202120412319U CN 214698749 U CN214698749 U CN 214698749U
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- China
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- connecting rod
- journal
- crankshaft
- rod journal
- gasoline engine
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a light crankshaft of a gasoline engine, which relates to the technical field of gasoline engines and comprises two crankshaft arms connected with two ends of a connecting rod shaft neck, wherein one side of each crankshaft arm is fixedly connected with a balance block; the outer side of one connecting rod shaft neck is connected with one end of a gear shaft neck, and the other end of the gear shaft neck is fixedly connected with a main shaft neck; the outer side of the other connecting rod journal is connected with a bearing journal; wherein, can dismantle between connecting rod journal two ends and the crank arm and be connected, compare in prior art, the utility model discloses well bent axle carries out the lightweight design under the condition that does not influence intensity, and the connecting rod journal can be dismantled, conveniently maintains.
Description
Technical Field
The utility model relates to a gasoline engine technical field especially involves a gasoline engine light weight type bent axle.
Background
The connecting rod journal is as bent axle and connecting rod coupling part, and based on slider-crank's theory of operation, it will bear huge and repeated impact load, therefore the connecting rod journal wearing and tearing are fast, and the life-span is low, and traditional connecting rod journal is inconvenient dismantles and replaces, and when the connecting rod journal, need change whole bent axle, cost of maintenance is great.
Therefore, the utility model discloses a gasoline engine light weight type bent axle compares in prior art, the utility model discloses well bent axle carries out the lightweight design under the condition that does not influence intensity, and the connecting rod axle journal can be dismantled, conveniently maintains.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a gasoline engine light weight type bent axle, compare in prior art, the utility model discloses well bent axle carries out the lightweight design under the condition that does not influence intensity, and the connecting rod axle journal can be dismantled, conveniently maintains.
The utility model discloses a realize through following technical scheme: a gasoline engine light weight type crankshaft comprises two crank arms connected with two ends of a connecting rod journal, wherein one side of each crank arm is fixedly connected with a balance block; the outer side of one connecting rod shaft neck is connected with one end of a gear shaft neck, and the other end of the gear shaft neck is fixedly connected with a main shaft neck; the outer side of the other connecting rod journal is connected with a bearing journal; wherein, the two ends of the connecting rod journal are detachably connected with the crank arm.
For the utility model provides a bent axle, receive the impact for a long time at the connecting rod journal and when destroying, can dismantle the connecting rod journal of damage, replace into the connecting rod journal that does not damage again, need not to replace whole bent axle, reduce the cost of maintenance, conveniently maintain, equidistant range's opening groove can be seted up to the surface of connecting rod journal, the opening groove is rectangular form and sets up, thereby reduce the area of contact of connecting rod journal and bearing rotor, and then reduce the frictional force between connecting rod journal and the bearing rotor, reduce the wearing and tearing of connecting rod journal and bearing rotor.
Preferably, for the convenience of understanding, the utility model discloses a concrete structure of connecting rod journal and the mode of connection between the connecting rod journal and the crank arm, the connecting rod journal comprises a rod piece, connecting mechanisms respectively connected at two ends of the rod piece and threaded holes arranged on the surface of the connecting mechanisms; the connecting mechanism is arranged in a prismatic shape, the surface of the crank arm is provided with a limiting groove corresponding to the connecting mechanism, and the surface of the limiting groove is provided with a through hole corresponding to the threaded hole; when connection between the connecting rod journal and the crank arm is completed, the connecting mechanism is embedded in the limiting groove, the threaded hole is aligned with the through hole in the surface of the limiting groove, and the bolt penetrates through the through hole and is in threaded connection with the threaded hole.
Preferably, the connection means is provided as a rectangular body.
Preferably, the utility model discloses well bent axle carries out the lightweight design, and the member includes the support arm of hollow state and the support piece that sets up inside the support arm, and support piece outer wall laminating support arm inner wall, support piece are cellular along the axis direction and have seted up first logical groove, and the offering in first logical groove reduces for traditional bent axle the utility model discloses a weight, and first logical groove are cellular range, and structural strength is higher, and support piece supports the inner wall of support arm to the intensity of the structure of member has been guaranteed.
The utility model discloses a gasoline engine light weight type bent axle compares with prior art:
the utility model designs the crankshaft in light weight without affecting the strength, and the connecting rod journal can be disassembled for convenient maintenance, for the crankshaft in the utility model, when the connecting rod journal is damaged by impact for a long time, the damaged connecting rod journal can be disassembled and replaced into the undamaged connecting rod journal, the whole crankshaft is not needed to be replaced, the maintenance cost is reduced, the maintenance is convenient, the outer surface of the connecting rod journal can be provided with the slots which are arranged at equal intervals, the slots are arranged in long strip shape, thereby the contact area between the connecting rod journal and the bearing rotor is reduced, and further the friction between the connecting rod journal and the bearing rotor is reduced, the abrasion between the connecting rod journal and the bearing rotor is reduced, the crankshaft in the utility model designs the crankshaft in light weight, the rod piece comprises the supporting arm in hollow state and the supporting piece arranged in the supporting arm, support piece outer wall laminating support arm inner wall, support piece are cellular along the axis direction and have seted up first logical groove, and the offering in first logical groove reduces for traditional bent axle the utility model discloses a weight, and first logical groove are cellular range, structural strength is higher, and support piece supports the inner wall of support arm to the intensity of the structure of member has been guaranteed.
Drawings
Fig. 1 is an external view of the present invention;
fig. 2 is a front view of the present invention;
FIG. 3 is a schematic view of the outer appearance of the connecting rod journal of the present invention;
fig. 4 is a cross-sectional view of the connecting rod journal of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1 to 3, the utility model discloses a lightweight crankshaft of a gasoline engine, which comprises two crank arms 3 connected with two ends of a connecting rod journal 5, wherein one side of each crank arm 3 is fixedly connected with a balance weight 4; the outer side of one connecting rod shaft neck 5 is connected with one end of a gear shaft neck 2, and the other end of the gear shaft neck 2 is fixedly connected with a main shaft neck 1; the outer side of the other connecting rod journal 5 is connected with a bearing journal 6; wherein, the two ends of the connecting rod journal 5 are detachably connected with the crank arm 3.
Based on above-mentioned structure, to the utility model provides a bent axle, receive the impact for a long time at connecting rod journal 5 and when destroying, can dismantle the connecting rod journal 5 of damage, replace into undamaged connecting rod journal 5 again, need not to replace whole bent axle, reduce the cost of maintenance, conveniently maintain, equidistant range's opening groove can be seted up to connecting rod journal 5's surface, the opening groove is rectangular form and sets up, thereby reduce connecting rod journal 5 and bearing rotor's area of contact, and then reduce the frictional force between connecting rod journal 5 and the bearing rotor, reduce connecting rod journal 5 and bearing rotor's wearing and tearing.
For easy understanding, the present invention discloses a specific structure of a connecting rod journal 5 and a connection manner between the connecting rod journal and a crank arm 3, wherein the connecting rod journal 5 comprises a rod member 51, a connecting mechanism 52 respectively connected to two ends of the rod member 51, and a threaded hole 53 formed on the surface of the connecting mechanism 52; the connecting mechanism 52 is arranged in a prism shape, a limiting groove is formed in the surface of the crank arm 3 corresponding to the connecting mechanism 52, and a through hole is formed in the surface of the limiting groove corresponding to the threaded hole 53; when the connection between the connecting rod journal 5 and the crank arm 3 is completed, the connecting mechanism 52 is embedded in the limiting groove, the threaded hole 53 is aligned with the through hole on the surface of the limiting groove, the bolt penetrates through the through hole and is in threaded connection with the threaded hole 53, and the connecting mechanism 52 is arranged into a rectangular body.
As shown in fig. 4, the utility model discloses well bent axle carries out the lightweight design, and member 51 includes the support arm 511 of hollow state and the support piece 512 that sets up inside support arm 511, and support piece 512 outer wall laminating support arm 511 inner wall, support piece 512 are cellular along the axis direction and have seted up first logical groove, and the offering in first logical groove reduces for traditional bent axle the utility model discloses a weight, and first logical groove are cellular range, and structural strength is higher, and support piece 512 supports the inner wall of support arm 511 to the intensity of member 51's structure has been guaranteed.
To sum up, compare in prior art, the utility model discloses well bent axle carries out the lightweight design under the condition that does not influence intensity, and the connecting rod axle journal can be dismantled, conveniently maintains.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (5)
1. A gasoline engine light-weight crankshaft is characterized by comprising two crankshaft arms (3) connected with two ends of a connecting rod journal (5), wherein one side of each crankshaft arm (3) is fixedly connected with a balance block (4);
the outer side of one connecting rod journal (5) is connected with one end of a gear journal (2), and the other end of the gear journal (2) is fixedly connected with a main journal (1);
the outer side of the other connecting rod journal (5) is connected with a bearing journal (6);
wherein, the two ends of the connecting rod journal (5) are detachably connected with the crank arm (3).
2. A lightweight crankshaft for gasoline engines, as defined in claim 1, wherein said connecting rod journal (5) comprises a rod member (51), connecting means (52) respectively connected to both ends of said rod member (51), and a threaded hole (53) opened in the surface of said connecting means (52);
the connecting mechanism (52) is arranged in a prism shape, a limiting groove is formed in the surface of the crank arm (3) and corresponds to the connecting mechanism (52), and a through hole is formed in the surface of the limiting groove and corresponds to the threaded hole (53);
when the connection between the connecting rod journal (5) and the crank arm (3) is completed, the connecting mechanism (52) is embedded in the limiting groove, the threaded hole (53) is aligned with the through hole in the surface of the limiting groove, and a bolt penetrates through the through hole and is in threaded connection with the threaded hole (53).
3. A gasoline engine lightweight crankshaft as defined in claim 2, characterized in that said connecting means (52) is provided as a rectangular body.
4. The lightweight crankshaft of gasoline engine as defined in claim 2, wherein said rod member (51) comprises a hollow supporting arm (511) and a supporting member (512) disposed inside the supporting arm (511), and the outer wall of said supporting member (512) is attached to the inner wall of said supporting arm (511).
5. The lightweight crankshaft of the gasoline engine as defined in claim 4, wherein the supporting member (512) is formed with a first through groove in a honeycomb shape along the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120412319.0U CN214698749U (en) | 2021-02-25 | 2021-02-25 | Light crankshaft of gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120412319.0U CN214698749U (en) | 2021-02-25 | 2021-02-25 | Light crankshaft of gasoline engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214698749U true CN214698749U (en) | 2021-11-12 |
Family
ID=78568940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120412319.0U Active CN214698749U (en) | 2021-02-25 | 2021-02-25 | Light crankshaft of gasoline engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214698749U (en) |
-
2021
- 2021-02-25 CN CN202120412319.0U patent/CN214698749U/en active Active
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