CN205400920U - Light -duty diesel engine gear chamber lid - Google Patents
Light -duty diesel engine gear chamber lid Download PDFInfo
- Publication number
- CN205400920U CN205400920U CN201620047957.6U CN201620047957U CN205400920U CN 205400920 U CN205400920 U CN 205400920U CN 201620047957 U CN201620047957 U CN 201620047957U CN 205400920 U CN205400920 U CN 205400920U
- Authority
- CN
- China
- Prior art keywords
- gear
- closure portion
- arc sections
- end cap
- circular arc
- 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 - Fee Related
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Abstract
The utility model discloses a light -duty diesel engine gear chamber lid, including setting up in the first end cover and the second end cover at gear room both ends, first end cover with the second end cover all is provided with the end cover lateral wall, the end cover lateral wall includes circular arc portion and lower part U type portion in upper portion left side circular arc portion, upper portion right side circular arc portion, the upper portion, the both ends of circular arc portion are connected respectively in the upper portion upper portion left side circular arc portion with the upper end of upper portion right side circular arc portion, the both ends of lower part U type portion are connected respectively upper portion left side circular arc portion with the lower extreme of upper portion right side circular arc portion, the inboard camshaft gear closing cap portion that is of upper portion left side circular arc portion, the inboard injection pump gear closing cap portion that is of upper portion right side circular arc portion, the inboard idler gear closing cap portion that is of circular arc portion in the upper portion, lower part U type portion with be crankshaft toothed wheel closing cap portion and oil pump gear closing cap portion between the idler gear closing cap portion. The utility model discloses the diesel engine gear chamber phase -match that can improve with overall structure's stress intensity and anti -vibration performance.
Description
Technical field
This utility model relates to a kind of LD-diesel gear chamber cover, belongs to diesel engine part processing and manufacturing technical field.
Background technology
Traditional diesel engine gear chamber, mainly including crankshaft toothed wheel, fuel injection pump gear and cam shaft gear, the deficiency of its existence is in that volume is bigger than normal, and part configuration must be attached outside diesel engine, thus causing diesel engine overall volume to increase, ex-ternal transmission noise is big；And owing to the gear chamber of traditional structure does not adapt to novel state four diesel engine standard, Chinese patent literature CN204552975U discloses a kind of diesel engine gear chamber, its primary structure includes being provided with air compressor gear installing hole, cam shaft gear installing hole, idle gear installing hole, fuel injection pump gear installing hole, oil pump gear installing hole, crankshaft toothed wheel installing hole and electronic-controlled power steering pump gear installation position on the body of gear chamber, and crankshaft toothed wheel installing hole merges design with oil pump gear installing hole.The gear chamber of said structure is owing to including air compressor gear installing hole, although therefore overall volume is comparatively simplified, but integrally-built stress intensity is poor, and shock resistance needs to be improved further；It is therefore desirable to design a kind of novel gear chamber structure and the gear chamber cover matched.
Summary of the invention
The deficiency that this utility model exists for prior art just, it is provided that a kind of LD-diesel gear chamber cover, it is possible to the diesel engine gear chamber improved with integrally-built stress intensity and shock resistance matches, and meets actual operation requirements.
For solving the problems referred to above, technical solution adopted in the utility model is as follows:
A kind of LD-diesel gear chamber cover, including: it is arranged at first end cap of gear chamber one end, with the second end cap being arranged at the gear chamber other end, described first end cap is provided with the end cap sidewalls identical with gear chamber contour structure with described second end cap, described end cap sidewalls includes the left arc sections in top, the right arc sections in top, arc sections and bottom U-shaped portion in top, in described top, the two ends of arc sections connect the upper end of the right arc sections of the left arc sections in described top and described top respectively, the two ends of described bottom U-shaped portion connect the lower end of the right arc sections of the left arc sections in described top and described top respectively；
It is cam shaft gear closure portion inside the left arc sections in described top, it is fuel injection pump gear closure portion inside the right arc sections in described top, described top is idle gear closure portion inside arc sections, is crankshaft toothed wheel closure portion and oil pump gear closure portion between described bottom U-shaped portion and described idle gear closure portion.
Improvement as technique scheme, the fuel injection pump gear closure portion of described first end cap, cam shaft gear closure portion and idle gear closure portion are respectively arranged with the first fuel injection pump gear bezel ring, cam shaft gear bezel ring, and idle gear bezel ring, and the crankshaft toothed wheel closure portion of described first end cap and oil pump gear closure portion are respectively arranged with the first crankshaft toothed wheel bezel ring, and the first oil pump gear bezel ring,.
Improvement as technique scheme, the fuel injection pump gear closure portion of described second end cap, cam shaft gear closure portion and idle gear closure portion be respectively arranged with the second fuel injection pump gear bezel ring, for regulating the timing pointer lug of belt pulley scale and for sensing the sensing pore of internal Speed of Reaction Wheels, the crankshaft toothed wheel closure portion of described first end cap and oil pump gear closure portion are respectively arranged with the second crankshaft toothed wheel bezel ring, and the second oil pump gear bezel ring,.
Compared with prior art, implementation result of the present utility model is as follows for this utility model:
A kind of LD-diesel gear chamber cover described in the utility model, the gear chamber compact overall structure matched, friction and stress weakness direction, the integrally-built stress intensity of diesel engine gear chamber can be improved, and install firm, shock resistance can be improved further, meet actual operation requirements.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first end cap described in the utility model；
Fig. 2 is the structural representation of the second end cap described in the utility model.
Detailed description of the invention
Content of the present utility model is described below in conjunction with specific embodiments.
As depicted in figs. 1 and 2, for a kind of LD-diesel gear chamber cover structural representation described in the utility model.A kind of LD-diesel gear chamber cover described in the utility model, including: it is arranged at first end cap of gear chamber one end, with the second end cap being arranged at the gear chamber other end, described first end cap is provided with the end cap sidewalls identical with gear chamber contour structure with described second end cap, described end cap sidewalls includes the left arc sections 11 in top, the right arc sections 12 in top, arc sections 13 and bottom U-shaped portion 14 in top, in described top, the two ends of arc sections 13 connect the upper end of the right arc sections 12 of the left arc sections in described top 11 and described top respectively, the two ends of described bottom U-shaped portion 14 connect the lower end of the right arc sections 12 of the left arc sections in described top 11 and described top respectively；It is cam shaft gear closure portion inside the left arc sections 11 in described top, it is fuel injection pump gear closure portion inside the right arc sections 12 in described top, described top is idle gear closure portion inside arc sections 13, is crankshaft toothed wheel closure portion and oil pump gear closure portion between described bottom U-shaped portion 14 and described idle gear closure portion.
Further, the fuel injection pump gear closure portion of described first end cap, cam shaft gear closure portion and idle gear closure portion are respectively arranged with the first fuel injection pump gear bezel ring, 21, cam shaft gear bezel ring, 22 and idle gear bezel ring, 23, and the crankshaft toothed wheel closure portion of described first end cap and oil pump gear closure portion are respectively arranged with the first crankshaft toothed wheel bezel ring, 24 and the first oil pump gear bezel ring, 25.The fuel injection pump gear closure portion of described second end cap, cam shaft gear closure portion and idle gear closure portion be respectively arranged with the second fuel injection pump gear bezel ring, 31, for regulating the timing pointer lug 32 of belt pulley scale and for sensing the sensing pore 33 of internal Speed of Reaction Wheels, the crankshaft toothed wheel closure portion of described first end cap and oil pump gear closure portion are respectively arranged with the second crankshaft toothed wheel bezel ring, 34 and the second oil pump gear bezel ring, 35.
A kind of LD-diesel gear chamber cover described in the utility model makes blank by casting, and casting raw material selects HT250 material, and the LD-diesel gear chamber cover outer surface of workpiece being cast is smooth；Then pass through vertical machining centre and automatically machine each bezel ring, inside the polish of blank, get rid of anthropic factor and cause that the product of processing occurs not meeting designing requirement, the mounting distance of each bezel ring, on guarantee gear chamber cover is consistent with design, and a kind of LD-diesel gear chamber cover described in the utility model discharge performance operationally can arrive the requirement of state four diesel engine.
Above content is the detailed description in conjunction with specific embodiments this utility model made, it is impossible to assert that this utility model is embodied as being only limitted to these explanations.For this utility model person of ordinary skill in the field, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, the scope of this utility model protection all should be considered as belonging to.
Claims (3)
1. a LD-diesel gear chamber cover, it is characterized in that, including: it is arranged at first end cap of gear chamber one end, with the second end cap being arranged at the gear chamber other end, described first end cap is provided with the end cap sidewalls identical with gear chamber contour structure with described second end cap, described end cap sidewalls includes the left arc sections in top (11), the right arc sections in top (12), arc sections (13) and bottom U-shaped portion (14) in top, in described top, the two ends of arc sections (13) connect the upper end on the left arc sections in described top (11) and described top right arc sections (12) respectively, the two ends of described bottom U-shaped portion (14) connect the lower end on the left arc sections in described top (11) and described top right arc sections (12) respectively；
Inner side, the left arc sections in described top (11) is cam shaft gear closure portion, inner side, the right arc sections in described top (12) is fuel injection pump gear closure portion, in described top, arc sections (13) inner side is idle gear closure portion, is crankshaft toothed wheel closure portion and oil pump gear closure portion between described bottom U-shaped portion (14) and described idle gear closure portion.
2. a kind of LD-diesel gear chamber cover as claimed in claim 1, it is characterized in that, the fuel injection pump gear closure portion of described first end cap, cam shaft gear closure portion and idle gear closure portion are respectively arranged with the first fuel injection pump gear bezel ring, (21), cam shaft gear bezel ring, (22) and idle gear bezel ring, (23), and the crankshaft toothed wheel closure portion of described first end cap and oil pump gear closure portion are respectively arranged with the first crankshaft toothed wheel bezel ring, (24) and the first oil pump gear bezel ring, (25).
3. a kind of LD-diesel gear chamber cover as claimed in claim 1, it is characterized in that, the fuel injection pump gear closure portion of described second end cap, cam shaft gear closure portion and idle gear closure portion are respectively arranged with the second fuel injection pump gear bezel ring, (31), are used for regulating the timing pointer lug (32) of belt pulley scale and for sensing the sensing pore (33) of internal Speed of Reaction Wheels, and the crankshaft toothed wheel closure portion of described first end cap and oil pump gear closure portion are respectively arranged with the second crankshaft toothed wheel bezel ring, (34) and the second oil pump gear bezel ring, (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620047957.6U CN205400920U (en) | 2016-01-19 | 2016-01-19 | Light -duty diesel engine gear chamber lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620047957.6U CN205400920U (en) | 2016-01-19 | 2016-01-19 | Light -duty diesel engine gear chamber lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205400920U true CN205400920U (en) | 2016-07-27 |
Family
ID=56449953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620047957.6U Expired - Fee Related CN205400920U (en) | 2016-01-19 | 2016-01-19 | Light -duty diesel engine gear chamber lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205400920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905908A (en) * | 2017-12-14 | 2018-04-13 | 马鞍山市常立发机械制造有限公司 | One kind is new can draining gear chamber |
-
2016
- 2016-01-19 CN CN201620047957.6U patent/CN205400920U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905908A (en) * | 2017-12-14 | 2018-04-13 | 马鞍山市常立发机械制造有限公司 | One kind is new can draining gear chamber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 Termination date: 20170119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |