CN202325728U - Engine valve rocker arm shaft support - Google Patents
Engine valve rocker arm shaft support Download PDFInfo
- Publication number
- CN202325728U CN202325728U CN2011204692484U CN201120469248U CN202325728U CN 202325728 U CN202325728 U CN 202325728U CN 2011204692484 U CN2011204692484 U CN 2011204692484U CN 201120469248 U CN201120469248 U CN 201120469248U CN 202325728 U CN202325728 U CN 202325728U
- Authority
- CN
- China
- Prior art keywords
- arm shaft
- rocker arm
- hole
- engine valve
- pitman arm
- 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
Links
Images
Landscapes
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The utility model relates to the technical field of engine assembly parts, in particular to an engine valve rocker arm shaft support. The engine valve rocker arm shaft support comprises a rocker arm shaft hole for mounting a rocker arm shaft, and a connecting screw hole for connecting the rocker arm shaft support with a cylinder cover, as well as a pressure reducing shaft hole for mounting a pressure reducing shaft, wherein the shaft lines of the pressure reducing shaft hole and the rocker arm shaft hole are parallel to each other. The engine valve rocker arm shaft support reduces the pressure of an engine cylinder in a process of acting on a rocker arm, so that an engine can be conveniently started; and the whole rocker arm shaft support is compact in structure, easier to process, low in cost and easy to popularize and implement.
Description
Technical field
The utility model relates to engine assembly accessory technical field, specifically, relates to a kind of engine valve pitman arm shaft bearing.
Background technique
Along with the quickening of modern society's process, the social agency of motor performance is inestimable, for society is creating huge benefit.The valve rocker shaft stool is indispensable on a diesel engine part; The production quantity that just means the valve rocker shaft stool also will be to grow with each passing day; In order to create bigger benefit; Design lightly, durable in use, this part of valve rocker shaft stool of being convenient to produce is necessary.
And pitman arm shaft bearing of the prior art mostly just is used to support pitman arm shaft, and in the process of engine start; Pressure in the cylinder is very big, just because of this huge pressure, makes that the startup of motor is relatively more difficult; A new mentality of designing has so just been arranged; Promptly in the process of ato unit, can be convenient to ato unit simultaneously to the cylinder decompression in the process of effect rocking arm.And better solution is, the mechanism of decompressor and pitman arm shaft bearing are set to the structural type of one, make total more compact, processes more conveniently, and layout is more reasonable.
The model utility content
The purpose of the utility model is to overcome the deficiency of existing technology, adapts to the needs of reality, and a kind of engine valve pitman arm shaft bearing is provided, and is intended to solve the excessive problem of inner pressure of air cylinder in the engine starting process.
In order to realize the purpose of the utility model, the technological scheme that the utility model adopts is:
A kind of engine valve pitman arm shaft bearing; Comprise the rocker shaft hole and the connection screw that is used for the pitman arm shaft bearing is connected with cylinder head that are used to install pitman arm shaft; Also comprise a decompression axis hole that is used to install decompression shaft, the parallel axes of said decompression axis hole and rocker shaft hole.
The axis normal of said connection screw is in the axis of said decompression axis hole and rocker shaft hole, and said connection screw is between decompression axis hole and rocker shaft hole.
The sidewall of said rocker shaft hole is provided with the oil extraction duct that is connected with the outside of rocker shaft hole.
The equal rounding of each transition position of said abutment surface.
The beneficial effect of the utility model is:
1. in the process of effect rocking arm, simultaneously cylinder is reduced pressure, be convenient to ato unit;
2. the axis normal that connects screw is in the axis hole of said decompression axis hole and rocker shaft hole; And connect screw between decompression axis hole and rocker shaft hole, such structure setting makes the stressed balanced more of whole bearing; Can not produce local stress concentration, damage the pitman arm shaft bearing;
3. the sidewall at rocker shaft hole is provided with the oil extraction duct, has avoided the lubricant oil long term can not get rid of the local superheating that causes, thereby damages the phenomenon of pitman arm shaft, can inject new lubricant oil very easily simultaneously and be lubricated;
4. whole pitman arm shaft seat structure is compact, and processing is than being easier to, and is with low cost, promotion and implementation easily.
Description of drawings
Fig. 1 is the broken section structural representation of the utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the partial sectional view of overlooking of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified:
Embodiment: referring to Fig. 1, Fig. 2, Fig. 3.
A kind of engine valve pitman arm shaft bearing; Comprise the rocker shaft hole 1 and the connection screw 2 that is used for the pitman arm shaft bearing is connected with cylinder head that are used to install pitman arm shaft; Also comprise a decompression axis hole 3 that is used to install decompression shaft, the parallel axes of said decompression axis hole 3 and rocker shaft hole 1.
In the process of effect rocking arm,, be convenient to ato unit simultaneously to the cylinder decompression.
The axis normal of said connection screw 2 is in the axis of said decompression axis hole 3 with rocker shaft hole 1, and said connection screw 2 is between decompression axis hole 3 and rocker shaft hole 1.
The axis normal that connects screw is in the axis hole of said decompression axis hole and rocker shaft hole; And connect screw between decompression axis hole and rocker shaft hole, such structure setting makes the stressed balanced more of whole bearing; Can not produce local stress concentration, damage the pitman arm shaft bearing.
The sidewall of said rocker shaft hole 2 is provided with the oil extraction duct 4 that is connected with the outside of rocker shaft hole 1.
Sidewall at rocker shaft hole is provided with the oil extraction duct, has avoided the lubricant oil long term can not get rid of the local superheating that causes, thereby damages the phenomenon of pitman arm shaft, can inject new lubricant oil very easily simultaneously and be lubricated.
The equal rounding of each transition position of said abutment surface.Referring among Fig. 2 shown in the R, be abutment surface knuckle everywhere.The setting of knuckle makes each transition position and joint stress can not occur and concentrates, and has avoided because the vibrations of motor cause the tired of abutment surface joint even fracture.
Rocker shaft hole and decompression axis hole are co-located on the pitman arm shaft bearing, compact structure, processing is than being easier to, and is with low cost, promotion and implementation easily.
What the embodiment of the utility model announced is preferred embodiment; But be not limited thereto, those of ordinary skill in the art is very easily according to the foregoing description; Understand the spirit of the utility model; And make different amplifications and variation, but only otherwise break away from the spirit of the utility model, all in the protection domain of the utility model.
Claims (4)
1. engine valve pitman arm shaft bearing; Comprise the rocker shaft hole and the connection screw that is used for the pitman arm shaft bearing is connected with cylinder head that are used to install pitman arm shaft; It is characterized in that: also comprise a decompression axis hole that is used to install decompression shaft, the parallel axes of said decompression axis hole and rocker shaft hole.
2. engine valve pitman arm shaft bearing according to claim 1 is characterized in that: the axis normal of said connection screw is in the axis of said decompression axis hole and rocker shaft hole, and said connection screw is between decompression axis hole and rocker shaft hole.
3. engine valve pitman arm shaft bearing according to claim 1 is characterized in that: the sidewall of said rocker shaft hole is provided with the oil extraction duct that is connected with the outside of rocker shaft hole.
4. according to the described engine valve pitman arm shaft of arbitrary claim bearing in claim 1 to the claim 3, it is characterized in that: the equal rounding of each transition position of said abutment surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204692484U CN202325728U (en) | 2011-11-23 | 2011-11-23 | Engine valve rocker arm shaft support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204692484U CN202325728U (en) | 2011-11-23 | 2011-11-23 | Engine valve rocker arm shaft support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202325728U true CN202325728U (en) | 2012-07-11 |
Family
ID=46437711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204692484U Expired - Fee Related CN202325728U (en) | 2011-11-23 | 2011-11-23 | Engine valve rocker arm shaft support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202325728U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775865A (en) * | 2015-04-26 | 2015-07-15 | 姬爱书 | Valve rocker arm support with locking property |
-
2011
- 2011-11-23 CN CN2011204692484U patent/CN202325728U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775865A (en) * | 2015-04-26 | 2015-07-15 | 姬爱书 | Valve rocker arm support with locking property |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202325728U (en) | Engine valve rocker arm shaft support | |
| CN205226855U (en) | Oil pump and assembly jig of idler be equipped with | |
| CN203082010U (en) | Gasoline engine supercharger bearing | |
| CN202203282U (en) | Oil ring structure | |
| CN203130768U (en) | Eccentric shaft of full-closed compressor core | |
| CN202162761U (en) | Device for press-mounting of liner bushing of camshaft of multi-cylinder diesel engine | |
| CN203685706U (en) | Horizontal centrifugal pump | |
| CN203161963U (en) | Motor built-in balance mechanism | |
| CN201614972U (en) | Four-cylinder crankshaft connecting rod | |
| CN201292868Y (en) | Sectional type rocker shaft structure | |
| CN204553523U (en) | Dry type bent axle | |
| CN204458184U (en) | A kind of axial locking device for sliding-vane motor | |
| CN204327280U (en) | For fitting seat and the motor of motor | |
| CN203655910U (en) | Supporting structure of bent axle | |
| CN203322397U (en) | Cryogenic check valve | |
| CN202118006U (en) | Impeller dismounting device of water pump | |
| CN202586568U (en) | Motor base direct connection structure | |
| CN202091576U (en) | Orifice throttling fast pressure-regulating structure of hydraulic main shaft | |
| CN202597437U (en) | Lengthening mechanism for engine crank | |
| CN203584805U (en) | Power steering pump input shaft connection structure | |
| CN202560798U (en) | Double-thrust support structure of diesel engine crankshaft | |
| CN204103667U (en) | Assembling support | |
| CN203312940U (en) | Shielding motor rotor structure used for vacuum pump | |
| CN204783385U (en) | Oil pump bracket and engine thereof | |
| CN203879568U (en) | Diesel and gasoline engine valve mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20121123 |