CN202325843U - Transmission system with camshaft directly connected with vacuum pump - Google Patents
Transmission system with camshaft directly connected with vacuum pump Download PDFInfo
- Publication number
- CN202325843U CN202325843U CN2011204583114U CN201120458311U CN202325843U CN 202325843 U CN202325843 U CN 202325843U CN 2011204583114 U CN2011204583114 U CN 2011204583114U CN 201120458311 U CN201120458311 U CN 201120458311U CN 202325843 U CN202325843 U CN 202325843U
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- CN
- China
- Prior art keywords
- sprocket
- camshaft
- crankshaft
- vacuum pump
- transmission system
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a transmission system with a camshaft directly connected with a vacuum pump. A connection structure of the transmission system is as follows: the camshaft and a camshaft sprocket are in matching connection with each other and are fixed by virtue of a threaded joint, and the joint is fixedly connected with the vacuum pump by use of a horizontal-1-shaped key; the camshaft sprocket is connected with a fuel injection pump sprocket through a camshaft chain; the fuel injection pump sprocket is connected with a crankshaft sprocket through a crankshaft chain, and the crankshaft sprocket serves as a driving source; and the fuel injection pump sprocket is a double-layer stepped pulley, a small sprocket at an upper layer is connected with the camshaft sprocket through a crankshaft chain, and a big sprocket at a lower layer is connected with the crankshaft sprocket through a crankshaft chain. The camshaft is directly connected with the vacuum pump, the driving forces for the camshaft, a fuel injection pump and the vacuum pump can be provided by a crankshaft (sprocket), the layout of the transmission system of an engine can be more reasonable, and the routine maintenance of the transmission system can also become simpler at the same time of meeting compactness, so that the economical efficiency of a diesel engine is improved, and the fuel consumption of a whole vehicle can be lowered.
Description
Technical field:
The utility model belongs to the engine structure technology, is specifically related to the direct-connected transmission system of a kind of camshaft and vacuum pump.
Background technique:
To the attention of the energy and the rise of product oil price, the motor of all kinds of low oil consumption is favored day by day along with both at home and abroad.In order to realize the low oil consumption of car load, the chassis is also towards microminiaturization, and the light development just need be optimized design to the layout of motor complete machine and appurtenances for this reason.Make motor satisfying on the stricter emission request basis, the compactedness and the easy-maintenance of engine components are also had higher requirement.Present various fixtures such as diesel engine cylinder block drive train, the pipelines, wire harness etc. that comprise connection are arranged increasingly sophisticated, this will cause difficulty to the assembling of diesel engine and automobile chassis etc.Adopt vacuum pump and camshaft direct-connected, i.e. the transmission system of the shared driving wheel of vacuum pump and camshaft design, it is compact that annex will be arranged, and rationality strengthens saves cost simultaneously.The utility model is intended to improve the Economy of motor, the low oil consumption that operational reliability also can realize car load to the optimization of transmission accessory setting.
Summary of the invention:
The purpose of the utility model is to propose a kind of camshaft and the direct-connected transmission system of vacuum pump, makes external engine space layout design more reasonable.
Below in conjunction with accompanying drawing the technological scheme of the utility model is explained: the direct-connected transmission system of camshaft and vacuum pump comprises: camshaft, camshaft sprocket, joint, vacuum pump, camshaft chain, Injection Pump sprocket wheel, crankshaft sprocket, bent axle chain etc.Camshaft is connected with the camshaft sprocket coupling, fixes with screwed joint, and joint adopts a keyboard to be fixedly connected with vacuum pump.Camshaft sprocket is connected through the camshaft chain with the Injection Pump sprocket wheel; The Injection Pump sprocket wheel is connected through the bent axle chain with crankshaft sprocket, by the driving source of crankshaft sprocket as this transmission system.The bilevel tower structure of Injection Pump sprocket wheel.
The characteristics and the beneficial effect of the utility model are: camshaft directly is connected with vacuum pump; The driving force of camshaft, Injection Pump and vacuum pump is provided by bent axle (sprocket wheel); Make the layout of engine driving system more reasonable, when satisfying compactedness, it is simple that its regular maintenance also becomes.Improved the Economy of diesel engine and the oil consumption of car load is reduced.
Description of drawings:
Shown in accompanying drawing 1 be the structure principle chart of the utility model;
Embodiment:
Below in conjunction with accompanying drawing and through embodiment the structure of the utility model is further described.The transmission system that camshaft and vacuum pump are direct-connected, its linkage structure is: camshaft 1 is connected with camshaft sprocket 2 couplings, and fixes with screwed joint 3, and joint adopts a keyboard to be fixedly connected with vacuum pump 4.Camshaft sprocket is connected through camshaft chain 6 with Injection Pump sprocket wheel 5; The Injection Pump sprocket wheel is connected through bent axle chain 8 with crankshaft sprocket 7, by crankshaft sprocket as driving source.Injection Pump sprocket wheel 5 is two layers a cone pulley, and the upper strata minor sprocket is connected with camshaft sprocket through chain; Lower floor's hinge wheel is connected with crankshaft sprocket through chain.
Crankshaft of diesel engine drives the crankshaft sprocket rotation, drives Injection Pump, camshaft and vacuum pump operation by crankshaft sprocket through different chains, satisfies the need of work of three parts operations simultaneously with a crankshaft sprocket.The utility model is used on bavin NGD Engine Series at east wind, and is respond well.
Claims (2)
1. the direct-connected transmission system of camshaft and vacuum pump; Comprise camshaft, camshaft sprocket, joint, vacuum pump, Injection Pump sprocket wheel, camshaft chain, crankshaft sprocket, bent axle chain; It is characterized in that: camshaft (1) is connected with camshaft sprocket (2) coupling; And fixing with screwed joint (3), joint adopts a keyboard to be fixedly connected with vacuum pump (4), and camshaft sprocket is connected through camshaft chain (6) with Injection Pump sprocket wheel (5); The Injection Pump sprocket wheel is connected through bent axle chain (8) with crankshaft sprocket (7), by crankshaft sprocket as driving source.
2. according to described camshaft of claim 1 and the direct-connected transmission system of vacuum pump, it is characterized in that said Injection Pump sprocket wheel (5) is a cone pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204583114U CN202325843U (en) | 2011-11-17 | 2011-11-17 | Transmission system with camshaft directly connected with vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204583114U CN202325843U (en) | 2011-11-17 | 2011-11-17 | Transmission system with camshaft directly connected with vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202325843U true CN202325843U (en) | 2012-07-11 |
Family
ID=46437826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204583114U Expired - Lifetime CN202325843U (en) | 2011-11-17 | 2011-11-17 | Transmission system with camshaft directly connected with vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202325843U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405500A (en) * | 2014-09-29 | 2015-03-11 | 长城汽车股份有限公司 | Engine and vehicle having same |
| CN104819081A (en) * | 2014-01-30 | 2015-08-05 | 铃木株式会社 | Mounting structure of auxiliary engine |
-
2011
- 2011-11-17 CN CN2011204583114U patent/CN202325843U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819081A (en) * | 2014-01-30 | 2015-08-05 | 铃木株式会社 | Mounting structure of auxiliary engine |
| CN104405500A (en) * | 2014-09-29 | 2015-03-11 | 长城汽车股份有限公司 | Engine and vehicle having same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Transmission system with camshaft directly connected with vacuum pump Effective date of registration: 20190612 Granted publication date: 20120711 Pledgee: Lingyuan steel enterprise limited liability company Pledgor: Dongfeng Chaoyang Chaochai Power Co., Ltd. Registration number: 2019210000021 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |