CN214788527U - Antifriction type gasoline engine crankshaft - Google Patents
Antifriction type gasoline engine crankshaft Download PDFInfo
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- CN214788527U CN214788527U CN202120528575.6U CN202120528575U CN214788527U CN 214788527 U CN214788527 U CN 214788527U CN 202120528575 U CN202120528575 U CN 202120528575U CN 214788527 U CN214788527 U CN 214788527U
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- connecting rod
- wall
- bent axle
- fixture block
- oil
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Abstract
The utility model discloses a antifriction type gasoline engine bent axle relates to the auto-parts field, and its mechanism includes bent axle arm and connecting rod journal, and the bent axle arm is two, its characterized in that, and first draw-in groove has all been seted up to two relative one sides of bent axle arm, and connecting rod journal both ends are equipped with first fixture block, and two relative one sides of bent axle arm all laminate with connecting rod journal both ends, and first draw-in groove inner wall corresponds with first fixture block outer wall, and the bent axle arm passes through threaded component with first fixture block and is connected, the utility model discloses reduce cost of maintenance, and possess better lubricated effect.
Description
Technical Field
The utility model relates to an auto-parts field especially involves a antifriction type gasoline engine bent axle.
Background
The crankshaft is the most important component in the engine. It takes the force from the connecting rod and converts it into torque to be output by the crankshaft and drive other accessories on the engine. The crankshaft is subjected to the combined action of centrifugal force of the rotating mass, gas inertia force of periodic variation and reciprocating inertia force, so that the crankshaft is subjected to the action of bending and twisting load. Therefore, the crankshaft is required to have sufficient strength and rigidity, and the surface of the journal needs to be wear-resistant, work uniformly and balance well. Generally, the rotating speed of an engine is the rotating speed of a crankshaft, the existing crankshaft is mostly formed by integral casting, the crankshaft needs to be integrally replaced during maintenance, the lubricating effect is limited, and a connecting rod journal is easy to wear.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, a antifriction type gasoline engine bent axle is provided, compare in prior art, the utility model discloses a reduce cost of maintenance, first draw-in groove has all been seted up to two relative one sides of bent axle arm, connecting rod axle journal both ends are equipped with first fixture block, the bent axle arm passes through threaded component with first fixture block and is connected, the connecting rod axle journal includes connecting rod axle sleeve and connecting rod axle center, in order to play better lubricated effect, the bent axle is equipped with the oil transportation way that runs through the bent axle arm, connecting rod axle center and threaded component, the oil outlet has been seted up to connecting rod axle journal outer wall, oil transportation way inner wall and oil outlet inner wall intercommunication, connecting rod axle sleeve outer wall is equipped with leads the oil groove array.
The utility model discloses a realize through following technical scheme: the utility model provides a antifriction type gasoline engine bent axle, its structure includes bent axle arm and connecting rod axle journal, the bent axle arm is two, a serial communication port, first draw-in groove has all been seted up to two relative one sides of bent axle arm, connecting rod axle journal both ends are equipped with first fixture block, the connecting rod axle journal is formed with the casting of first fixture block as an organic whole, two relative one sides of bent axle arm all laminate with connecting rod axle journal both ends, first draw-in groove inner wall corresponds with first fixture block outer wall, the bent axle arm passes through threaded component with first fixture block and is connected, threaded component includes bolt and screw hole, two not relative one sides of bent axle arm all seted up the screw hole on one side of bent axle arm with first fixture block, the screw hole inner wall intercommunication, the screw hole inner wall is equipped with the thread groove, the bolt outer wall is equipped with the screw thread, the screw thread corresponds the setting with the thread groove, wherein, first fixture block is the square.
When the outer wall of the connecting rod journal is worn and needs to be replaced due to long-term use, the threaded component is firstly disassembled, the connection between the crank arm and the first clamping block is removed, the first clamping block is pulled out along the first clamping groove, and the connecting rod journal is replaced and installed again, so that the maintenance cost is reduced.
Preferably, in order to reduce maintenance cost, the connecting rod shaft neck comprises a connecting rod shaft sleeve and a connecting rod shaft center, a second clamping groove is formed in the inner wall of the connecting rod shaft sleeve, a second clamping block is arranged on the outer wall of the connecting rod shaft center, the inner wall of the second clamping groove corresponds to the outer wall of the second clamping block, the first clamping block, the connecting rod shaft center and the second clamping block are integrally cast, when the outer wall of the connecting rod shaft neck is worn and needs to be replaced due to long-term use, the threaded component is firstly disassembled, the connection between the crank arm and the first clamping block is removed, then the first clamping block is pulled out along the first clamping groove, and replacement and installation are carried out again.
Preferably, for better lubricating effect, the crankshaft is provided with an oil conveying channel penetrating through the crank arm, the connecting rod axis and the threaded component, the outer wall of the connecting rod shaft neck is provided with an oil outlet, the inner wall of the oil conveying channel is communicated with the inner wall of the oil outlet, and when the crankshaft rotates, lubricating oil flows to the oil outlet along the oil conveying channel, and then the lubricating oil flows to the outer wall of the connecting rod shaft sleeve along the oil outlet.
Preferably, for better lubricated effect, the connecting rod axle sleeve outer wall is equipped with leads the oil groove array, leads the oil groove array and becomes certain angle heliciform range, the oil groove array is parallel to each other, align to grid for every group, the oil outlet inner wall is close to connecting rod axle sleeve outer wall one end and leads oil groove array inner wall connection, when lubricating oil prolongs the oil outlet and flows to connecting rod axle sleeve outer wall, lubricating oil continues to prolong oil groove array inner wall department and flows, evenly distributed is in every group and leads oil groove array inner wall.
Drawings
FIG. 1 is a schematic view of a crankshaft of a friction-reducing gasoline engine according to a first embodiment;
FIG. 2 is a cross-sectional view of a crankshaft of a friction reducing gasoline engine in accordance with one embodiment;
FIG. 3 is a side view of a journal of a connecting rod in accordance with one embodiment;
FIG. 4 is a cross-sectional view of a crankshaft of a friction reducing gasoline engine in accordance with a second embodiment;
FIG. 5 is a side view of a journal of the connecting rod in the second embodiment;
FIG. 6 is a two-dimensional expanded view of the connecting rod journal oil guide groove array in the second embodiment;
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.
The first embodiment is as follows:
as shown in fig. 1 and 2, the first embodiment discloses a friction-reducing gasoline engine crankshaft, comprising: the crank arm comprises crank arms 1 and connecting rod journals 2, the crank arms 1 are two, and the crank arm is characterized in that a first clamping groove 11 is formed in one opposite side of each of the two crank arms 1, first clamping blocks 221 are arranged at two ends of each of the connecting rod journals 2, the connecting rod journals 2 and the first clamping blocks 221 are integrally cast, one opposite side of each of the two crank arms 1 is attached to two ends of each of the connecting rod journals 2, the inner wall of each first clamping groove 11 corresponds to the outer wall of the corresponding first clamping block 221, the crank arms 1 are connected with the first clamping blocks 221 through threaded assemblies, each threaded assembly comprises a bolt and a threaded hole, threaded holes are formed in one sides, not opposite to the two crank arms 1, of the first clamping blocks 221, the inner walls of the threaded holes are communicated, threaded grooves are formed in the inner walls of the threaded holes, threads are formed in the outer walls of the bolts, and are arranged corresponding to the threaded grooves, and the first clamping blocks 221 are square as shown in fig. 3.
Based on the above structure, as shown in fig. 2, when the outer wall of the connecting rod journal 2 is worn and needs to be replaced due to long-term use, the threaded component is firstly disassembled, the connection between the crank arm 1 and the first clamping block 221 is released, then the first clamping block 221 is drawn out along the first clamping groove 11, and replacement and installation are performed again, so that the maintenance cost is reduced.
Example two:
as shown in fig. 4 and fig. 5, the difference between the second embodiment and the first embodiment is that the connecting rod journal 2 includes a connecting rod shaft sleeve 21 and a connecting rod shaft center 22, a second engaging groove 211 is formed in an inner wall of the connecting rod shaft sleeve 21, a second engaging block 222 is formed in an outer wall of the connecting rod shaft center 22, an inner wall of the second engaging groove 211 corresponds to an outer wall of the second engaging block 222, and the first engaging block 221, the connecting rod shaft center 22, and the second engaging block 222 are integrally cast.
Based on the above structure, as shown in fig. 4, when the outer wall of the connecting rod bushing 21 is worn and needs to be replaced due to long-term use, the threaded component is firstly detached, the connection between the crank arm 1 and the first fixture block 221 is released, then the first fixture block 221 is pulled out along the first clamping groove 11, the connecting rod bushing 21 is pulled out along the second fixture block 222, and replacement and installation are performed again, so that the maintenance cost is reduced.
Further, as shown in fig. 4, the crankshaft is provided with an oil delivery channel 3 penetrating through the crank arm 1, the connecting rod axis 22 and the threaded component, the outer wall of the connecting rod journal 2 is provided with an oil outlet 4, the inner wall of the oil delivery channel 3 is communicated with the inner wall of the oil outlet 4, when the crankshaft rotates, after the lubricating oil flows to the oil outlet 4 along the oil delivery channel 3, the lubricating oil flows to the outer wall of the connecting rod shaft sleeve 21 along the oil outlet 4, so that a better lubricating effect is achieved.
Further, as shown in fig. 6, the outer wall of the connecting rod shaft sleeve 21 is provided with an oil guide groove array, the oil guide groove array is spirally arranged at a certain angle, each group of oil guide groove arrays are parallel to each other, the oil guide groove arrays are uniformly arranged, one end of the inner wall of the oil outlet hole 4, which is close to the outer wall of the connecting rod shaft sleeve 21, is connected with the inner wall of the oil guide groove array, when the lubricating oil extends to the outer wall of the connecting rod shaft sleeve 21, the lubricating oil continues to extend the inner wall of the oil guide groove arrays to flow, the lubricating oil is uniformly distributed on the inner wall of the oil guide groove arrays in each group, and therefore a better lubricating effect is achieved.
To sum up, compare in prior art, the utility model discloses a reduce cost of maintenance, first draw-in groove 11 has all been seted up to two relative one sides of crank arm 1, 2 both ends of connecting rod axle journal are equipped with first fixture block 221, and crank arm 1 passes through threaded component with first fixture block 221 and is connected, and connecting rod axle journal 2 includes connecting rod axle sleeve 21 and connecting rod axle center 22, and in order to play better lubricated effect, the bent axle is equipped with the oil transportation way 3 that runs through crank arm 1, connecting rod axle center 22 and threaded component, oil outlet 4 has been seted up to 2 outer walls of connecting rod axle journal, 3 inner walls of oil transportation way and the intercommunication of 4 inner walls of oil outlet, the outer wall of connecting rod axle sleeve 21 is equipped with leads the oil groove array.
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 … … …" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
Claims (3)
1. The utility model provides a antifriction type gasoline engine crankshaft, includes crank arm (1) and connecting rod axle journal (2), crank arm (1) is two, its characterized in that, first draw-in groove (11) have all been seted up to two relative one sides of crank arm (1), connecting rod axle journal (2) both ends are equipped with first fixture block (221), first draw-in groove (11) inner wall corresponds the setting with first fixture block (221) outer wall, crank arm (1) passes through threaded component with first fixture block (221) and is connected.
2. The antifriction type gasoline engine crankshaft of claim 1, characterized in that the connecting rod journal (2) comprises a connecting rod shaft sleeve (21) and a connecting rod shaft center (22), the inner wall of the connecting rod shaft sleeve (21) is provided with a second clamping groove (211), the outer wall of the connecting rod shaft center (22) is provided with a second clamping block (222), and the inner wall of the second clamping groove (211) is arranged corresponding to the outer wall of the second clamping block (222).
3. The crankshaft of the antifriction gasoline engine according to claim 2, characterized in that the crankshaft is provided with an oil delivery duct (3) which penetrates through the crank arm (1), the connecting rod axle center (22) and two ends of the threaded assembly, the outer wall of the connecting rod journal (2) is provided with an oil outlet (4), and the inner wall of the oil delivery duct (3) is communicated with the inner wall of the oil outlet (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120528575.6U CN214788527U (en) | 2021-03-15 | 2021-03-15 | Antifriction type gasoline engine crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120528575.6U CN214788527U (en) | 2021-03-15 | 2021-03-15 | Antifriction type gasoline engine crankshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214788527U true CN214788527U (en) | 2021-11-19 |
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ID=78665266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120528575.6U Active CN214788527U (en) | 2021-03-15 | 2021-03-15 | Antifriction type gasoline engine crankshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214788527U (en) |
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2021
- 2021-03-15 CN CN202120528575.6U patent/CN214788527U/en active Active
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