CN220354400U - Chain transmission mechanism of diesel engine - Google Patents
Chain transmission mechanism of diesel engine Download PDFInfo
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- CN220354400U CN220354400U CN202321874308.XU CN202321874308U CN220354400U CN 220354400 U CN220354400 U CN 220354400U CN 202321874308 U CN202321874308 U CN 202321874308U CN 220354400 U CN220354400 U CN 220354400U
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- chain
- sprocket
- diesel engine
- matched
- tensioning balance
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 53
- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of transmission mechanisms, and particularly relates to a chain transmission mechanism of a diesel engine. According to the chain transmission mechanism of the diesel engine, the transmission cams are connected in a matched mode through the chain, so that the consumption of the diesel engine to the chain can be reduced, the width volume of the diesel engine can be reduced, meanwhile, the use cost of the chain can be reduced, through the matched design of the first tensioning balance piece and the second tensioning balance piece, a plurality of cams in different arrangements can be connected together through the chain transmission, the chain can be kept in a tight state, the contact area with the chain is reduced, the transmission smoothness is improved, and the transmission loss is reduced.
Description
Technical Field
The utility model relates to the technical field of transmission mechanisms, in particular to a chain transmission mechanism of a diesel engine.
Background
When the diesel engine works, the air sucked into the cylinder of the diesel engine is compressed to a higher degree due to the movement of the piston, and the temperature reaches 500-700 ℃. Then spray the fuel into the high temperature air with vaporific, mix with the high temperature air and form the combustible gas mixture, the combustion of automatic firing, the energy released in the combustion acts on the piston top surface, promote the piston and convert into rotatory mechanical work through connecting rod and bent axle, this potential energy need use drive mechanism when converting, drive mechanism divide into belt transmission and chain transmission, and the chain drive mechanism of current diesel engine generally adopts many chains to carry out the connection transmission to different sprocket, the volume of diesel engine has not only been increased to too much chain use, the while chain breaks down more easily, influence life, and the tensioner quantity that current diesel engine's chain drive mechanism used is more, friction and noise when having increased chain transmission.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a chain transmission mechanism of a diesel engine, which solves the problems that the chain transmission mechanism of the diesel engine provided in the background art has a large number of chains and a large number of chain tensioners, so that the friction of the chains is increased and the transmission noise of the chains is increased.
(II) technical scheme
The utility model adopts the following technical scheme for realizing the purposes:
the utility model provides a chain drive mechanism of diesel engine, includes chain, drive cam, first tensioning balance piece, second tensioning balance piece, connecting rod, dead lever and tensioning balance wheel, the chain is connected with the drive cam cooperation and is set up, the chain is connected with first tensioning balance piece and second tensioning balance piece cooperation respectively and is set up, the structure of first tensioning balance piece and second tensioning balance piece is the same, and first tensioning balance piece and second tensioning balance piece are constituteed by connecting rod, dead lever and tensioning balance wheel, the connecting rod is connected with the dead lever cooperation and is set up, rotate on the connecting rod and be connected with the tensioning balance wheel, the tensioning balance wheel is contradicted with the chain slip and is set up.
Further, the drive cam comprises first camshaft sprocket, second camshaft sprocket, injection pump sprocket, bent axle sprocket and oil pump sprocket, first camshaft sprocket sets up with the cooperation of second camshaft sprocket, and first camshaft sprocket all is connected with the chain cooperation with the second camshaft sprocket and is set up, the second camshaft sprocket passes through the chain and sets up with the injection pump sprocket cooperation, the injection pump sprocket passes through the chain and is connected with the bent axle sprocket cooperation and sets up, the bent axle sprocket passes through the chain and is connected with the oil pump sprocket cooperation and set up.
Further, one end fixedly connected with axis of rotation of connecting rod, fixedly connected with spacing wheel in the axis of rotation, the other end of connecting rod is provided with the connecting seat.
Further, the dead lever cooperation is pegged graft in the connecting seat, the cooperation is provided with the wind spring on the dead lever, and the wind spring rolling is on the dead lever, and one end fixed connection of wind spring is on the dead lever, and the other end fixed connection is on the connecting seat.
Further, limit edges are fixedly connected to two sides of the tensioning balance wheel, the inside of the tensioning balance wheel is fixedly connected to the bearing, and the inner ring of the bearing is fixedly connected to the rotating shaft.
(III) beneficial effects
Compared with the prior art, the utility model provides a chain transmission mechanism of a diesel engine, which comprises the following components
The beneficial effects are that:
according to the chain transmission mechanism of the diesel engine, the transmission cams are matched and connected through the chain, so that the use amount of the diesel engine to the chain can be reduced, the width volume of the diesel engine can be reduced, meanwhile, the use cost of the chain can be reduced, the accident rate is reduced, the use effect is improved, a plurality of cams in different arrangements can be connected together through the chain transmission through the matching design of the first tensioning balance piece and the second tensioning balance piece, the chain can be kept in a tight state, the transmission use requirement is met, the contact area with the chain is reduced, the transmission smoothness is improved, and the transmission loss is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a connecting rod according to the present utility model;
FIG. 3 is a schematic view of the structure of the tension balance of the present utility model.
In the figure: 1. a chain; 2. a drive cam; 201. a first camshaft sprocket; 202. a second camshaft sprocket; 203. oil injection pump sprocket; 204. a crankshaft sprocket; 205. an oil pump sprocket; 3. a first tensioning balance member; 4. a second tensioning balance member; 5. a connecting rod; 501. a rotating shaft; 502. a limiting wheel; 503. a connecting seat; 6. a fixed rod; 7. tensioning balance wheels; 701. limit edges; 702. and (3) a bearing.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
As shown in fig. 1-3, the chain transmission mechanism of the diesel engine provided by one embodiment of the utility model comprises a chain 1, a transmission cam 2, a first tensioning balance piece 3, a second tensioning balance piece 4, a connecting rod 5, a fixed rod 6 and a tensioning balance wheel 7, wherein the chain transmission mechanism of the diesel engine designed by the scheme is optimally designed on the basis of the transmission mechanism of the diesel engine in the prior art, the usage amount of the chain 1 in the transmission of the diesel engine is reduced, the using effect is improved, the chain 1 is matched and connected with the transmission cam 2, the chain 1 is respectively matched and connected with the first tensioning balance piece 3 and the second tensioning balance piece 4, the first tensioning balance piece 3 and the second tensioning balance piece 4 are structurally the same, the connecting rod 5, the fixed rod 6 and the tensioning balance wheel 7 are respectively connected, the connecting rod 5 is matched and connected with the fixed rod 6, the tensioning balance wheel 7 is in sliding interference with the chain 1, the chain transmission mechanism of the traditional diesel engine adopts a plurality of the chain 1, the transmission cams 2 are connected with each other in a matched and connected mode, the number of the transmission cam 2 is increased, the number of the transmission cam 2 is reduced, the transmission error rate is reduced due to the fact that the transmission cam 2 is increased, the whole transmission mechanism is not matched and the transmission mechanism is connected with the chain 1, and the transmission error rate is increased, and the transmission rate is not matched and is matched with the transmission by the transmission mechanism, and the transmission mechanism is 2, on no longer the same straight line, when chain 1 can't contact drive cam 2, through adding to establish first tensioning balance piece 3 and second tensioning balance piece 4 can guide and make its crooked to chain 1, satisfy the kneading connection with drive cam 2 optional point, satisfy the user demand, through the design of connecting rod 5, when dead lever 6 is fixed on the diesel engine, the orientation of connecting rod 5 is for chain 1's direction of transmission, because tensioning balance wheel 7 slides the conflict with chain 1, and connecting rod 5 passes through connecting seat 503 and is connected of dead lever 6, the wind spring of the inside setting of cooperation dead lever 6, can be when chain 1 transmission, make tensioning balance wheel 7 be driven with dead lever 6 as centre of a circle to the direction of transmission motion, thereby can make the wind spring rolling keep resilience effort, when chain 1 stops the transmission, the wind spring is resilience, can reset connecting rod 5, satisfy the user demand, the same with the tensioner principle that the belt used, the here is not repeated because connecting rod 5's orientation design, can be with loose chain 1 in order to fix the pole 5 and make the rotation of the diesel engine, the tension balance wheel 7 is used for the centre of a circle, the demand that the tension wheel is satisfied through the connecting rod 5, the design is satisfied, the requirement that the diesel engine is used for the rotation of the dead lever is satisfied, the demand that the diesel engine is 1 is satisfied, the requirement is satisfied through the tension balance wheel is satisfied, the requirement that the tension 1 is satisfied, the requirement is satisfied by the design is satisfied, the requirement that the tension 1 is satisfied to the tension of the diesel engine is 1 is used to the tension 1, and the tension 1 is satisfied, the requirement is used to the tension 1 is satisfied.
As shown in fig. 1, in some embodiments, the driving cam 2 is composed of a first camshaft sprocket 201, a second camshaft sprocket 202, an oil injection pump sprocket 203, a crankshaft sprocket 204 and an oil pump sprocket 205, the first camshaft sprocket 201 and the second camshaft sprocket 202 are matched and arranged, the first camshaft sprocket 201 and the second camshaft sprocket 202 are matched and connected with the chain 1, the second camshaft sprocket 202 is matched and arranged with the oil injection pump sprocket 203 through the chain 1, the oil injection pump sprocket 203 is matched and connected with the crankshaft sprocket 204 through the chain 1, the crankshaft sprocket 204 is matched and connected with the oil pump sprocket 205 through the chain 1, and the design of the driving cam 2 meets the use requirement, so that the diesel engine driving mechanism can be ensured to be normally used.
As shown in fig. 2, in some embodiments, one end of the connecting rod 5 is fixedly connected with a rotating shaft 501, a limiting wheel 502 is fixedly connected on the rotating shaft 501, a connecting seat 503 is arranged at the other end of the connecting rod 5, the connecting rod 5 meets the use requirement, and the fixing rod 6 and the tensioning balance wheel 7 are matched to keep the chain 1 tight, so that the transmission use effect is met.
As shown in fig. 2, in some embodiments, the fixing rod 6 is inserted in the connecting seat 503 in a matched manner, a coil spring is arranged on the fixing rod 6 in a matched manner, the coil spring is wound on the fixing rod 6, one end of the coil spring is fixedly connected to the fixing rod 6, the other end of the coil spring is fixedly connected to the connecting seat 503, and the fixing rod 6 is designed to be used for installing the connecting rod 5 on a diesel engine in a matched manner, so that the use requirement is met.
As shown in fig. 3, in some embodiments, both sides of the tensioning balance wheel 7 are fixedly connected with limiting edges 701, the inside of the tensioning balance wheel 7 is fixedly connected with a bearing 702, the inner ring of the bearing 702 is fixedly connected with a rotating shaft 501, and the design of the tensioning balance wheel 7 can enable one chain 1 to enable a plurality of sprockets of the transmission cam 2 to be in matched transmission connection, and can meet tensioning control of the chain 1 and improve using effect.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model 。
Claims (5)
1. The utility model provides a chain drive mechanism of diesel engine, includes chain (1), drive cam (2), first tensioning balance piece (3), second tensioning balance piece (4), connecting rod (5), dead lever (6) and tensioning balance wheel (7), its characterized in that: the chain (1) is connected with the transmission cam (2) in a matched mode, the chain (1) is connected with the first tensioning balance piece (3) and the second tensioning balance piece (4) in a matched mode, the first tensioning balance piece (3) and the second tensioning balance piece (4) are identical in structure, the first tensioning balance piece (3) and the second tensioning balance piece (4) are composed of a connecting rod (5), a fixing rod (6) and a tensioning balance wheel (7), the connecting rod (5) is connected with the fixing rod (6) in a matched mode, the tensioning balance wheel (7) is connected to the connecting rod (5) in a rotating mode, and the tensioning balance wheel (7) is in sliding interference with the chain (1).
2. A chain drive for a diesel engine as set forth in claim 1, wherein: the transmission cam (2) comprises a first camshaft sprocket (201), a second camshaft sprocket (202), an oil injection pump sprocket (203), a crankshaft sprocket (204) and an oil pump sprocket (205), wherein the first camshaft sprocket (201) is matched with the second camshaft sprocket (202), the first camshaft sprocket (201) and the second camshaft sprocket (202) are matched and connected with a chain (1), the second camshaft sprocket (202) is matched and arranged with the oil injection pump sprocket (203) through the chain (1), the oil injection pump sprocket (203) is matched and connected with the crankshaft sprocket (204) through the chain (1), and the crankshaft sprocket (204) is matched and connected with the oil pump sprocket (205) through the chain (1).
3. A chain drive for a diesel engine as set forth in claim 1, wherein: one end fixedly connected with axis of rotation (501) of connecting rod (5), fixedly connected with spacing round (502) on axis of rotation (501), the other end of connecting rod (5) is provided with connecting seat (503).
4. A chain drive for a diesel engine as set forth in claim 1, wherein: the fixing rod (6) is matched and inserted into the connecting seat (503), a coil spring is arranged on the fixing rod (6) in a matched mode, the coil spring is wound on the fixing rod (6), one end of the coil spring is fixedly connected to the fixing rod (6), and the other end of the coil spring is fixedly connected to the connecting seat (503).
5. A chain drive for a diesel engine as set forth in claim 1, wherein: both sides of tensioning balance wheel (7) are all fixedly connected with limit (701), the inside fixed connection of tensioning balance wheel (7) is on bearing (702), the inner ring fixedly connected with axis of rotation (501) of bearing (702).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321874308.XU CN220354400U (en) | 2023-07-17 | 2023-07-17 | Chain transmission mechanism of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321874308.XU CN220354400U (en) | 2023-07-17 | 2023-07-17 | Chain transmission mechanism of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220354400U true CN220354400U (en) | 2024-01-16 |
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ID=89484834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321874308.XU Active CN220354400U (en) | 2023-07-17 | 2023-07-17 | Chain transmission mechanism of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220354400U (en) |
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2023
- 2023-07-17 CN CN202321874308.XU patent/CN220354400U/en active Active
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