CN204002960U - A kind of lightweight valve tappet - Google Patents
A kind of lightweight valve tappet Download PDFInfo
- Publication number
- CN204002960U CN204002960U CN201420389270.1U CN201420389270U CN204002960U CN 204002960 U CN204002960 U CN 204002960U CN 201420389270 U CN201420389270 U CN 201420389270U CN 204002960 U CN204002960 U CN 204002960U
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- valve
- valve tappet
- housing
- tappet
- force
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Abstract
A kind of lightweight valve tappet that the utility model provides, this valve tappet comprises: cylindrical housing, this housing one end sealing; Be arranged on a plurality of lightening holes in this housing sidewall and be arranged on the mounting hole on the closed end inwall of housing.Lightening hole shape can be polygonal or circular distribution on the sidewall of housing in the situation that meeting valve tappet rigidity requirement.The utility model provides a kind of lightweight valve tappet, by a plurality of lightening holes are set on valve tappet, do not affecting under the prerequisite of valve tappet rigidity, reduced the quality of valve tappet, thereby reduced the size of the inertial force that valve spring bears in to-and-fro motion, and then can correspondingly reduce the elastic force of valve spring.Because distribution device is in real work, the force of sliding friction between each part and the elastic force of valve spring are directly proportional, and therefore, thereby have reduced the force of sliding friction between each part by reducing valve spring elastic force, have finally reduced fuel consumption rate.
Description
Technical field
The utility model relates to the gas distribution structure of automobile, is specifically related to a kind of lightweight valve tappet.
Background technique
Fuel consumption rate is one of examination motor economic index.And reduce frictional work, be to reduce one of effective means of fuel consumption rate.
Distribution device is comprised of valve mechanism and valve actuating gear.Valve actuating gear comprises cam, valve tappet, and valve mechanism comprises valve spring, valve.Valve tappet is used for the thrust of cam to pass to valve, and bears the lateral force applying when camshaft rotates.Valve spring is for maintaining the normal contact between each part in distribution device, and still the elastic force meeting less than normal when valve spring makes valve knock-on.Therefore require at work valve spring power to be greater than all the time the inertial force that mechanism produces because of negative accelerated motion.
Because the elastic force of valve spring should be greater than the inertial force that the lateral force that applies while bearing camshaft rotation because of valve tappet and valve and tappet to-and-fro motion produce all the time, in distribution device work, the frictional force in valve spring power and distribution device between each part is directly proportional; Therefore reducing valve spring power can reduce frictional work, and then reduces fuel consumption rate.
Summary of the invention
The purpose of this utility model is to provide a kind of lightweight valve tappet, by a plurality of lightening holes are set on valve tappet, do not affecting under the prerequisite of valve tappet rigidity, reduced the quality of valve tappet, thereby reduced the size of the inertial force that valve spring bears in to-and-fro motion, and then can correspondingly reduce the elastic force of valve spring.Because distribution device is in real work, the force of sliding friction between each part and the elastic force of valve spring are directly proportional, and therefore, thereby have reduced the force of sliding friction between each part by reducing valve spring elastic force, have finally reduced fuel consumption rate.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
A lightweight valve tappet, is characterized in, this valve tappet comprises: housing, and above-mentioned housing is cylindrical, one end sealing of this housing; A plurality of lightening holes, above-mentioned a plurality of lightening holes are separately positioned in this housing sidewall; Valve actuation boss, above-mentioned valve actuation boss is arranged on the closed end inwall of housing.
Above-mentioned lightweight valve tappet, is characterized in, above-mentioned a plurality of lightening holes are polygonal, are evenly arranged in above-mentioned housing sidewall.
Above-mentioned lightweight valve tappet, is characterized in, above-mentioned a plurality of lightening holes are rounded, are evenly arranged in above-mentioned housing sidewall.
Above-mentioned lightweight valve tappet, is characterized in, above-mentioned a plurality of lightening hole ovalizes, are evenly arranged in above-mentioned housing sidewall.
The utility model compared with prior art has the following advantages:
1. the utility model can finally be realized the fuel consumption rate reduction of engine start machine.
2. the utility model provides a kind of lightweight valve tappet, has reduced the quality of valve tappet, has reduced raw-material loss simultaneously, has reduced the manufacture cost of valve tappet.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of a kind of lightweight valve tappet of the utility model.
Fig. 2 is the sectional view of a kind of lightweight valve tappet of the utility model.
Fig. 3 is a kind of lightweight valve tappet of the utility model embodiment's partial sectional view.
Embodiment
Below in conjunction with accompanying drawing, by describing a preferably concrete case study on implementation in detail, the utility model is further elaborated.
As shown in Figure 1-Figure 3, a kind of lightweight valve tappet 100, this valve tappet 100 comprises: cylindrical housing 10, be arranged on a plurality of lightening holes 11 on these housing 10 walls and be arranged on the valve actuation boss 12 on the closed end inwall of housing 10.Housing 10 is cylindrical, and one end sealing.
As shown in Figure 1 and Figure 2, a kind of lightweight valve tappet that the utility model provides meets under the precondition of usage requirement in the valve tappet rigidity guaranteeing, a plurality of rounded lightening holes 11 are set, be evenly distributed on housing 10 sidewalls, thereby reduce the quality of valve tappet 100, realize the inertial force reduction that acts on valve spring 200.
A kind of lightweight valve tappet that the utility model provides meets under the precondition of usage requirement in the valve tappet rigidity guaranteeing, a plurality of lightening holes 11 also can be polygonal, for example triangle, square, regular polygon, ellipse, irregular polygon etc., according to actual service condition, can design lightening hole 11 shapes, a plurality of lightening holes 11 are evenly arranged on housing 10 sidewalls, thereby reduce the quality of valve tappet 100, realize the inertial force reduction that acts on valve spring 200.
As shown in Figure 3, distribution device comprises cam 400, valve tappet 100, valve spring 200 and valve 300.Valve spring 200 is fixed on valve 300, and the afterbody of valve 300 contacts with the valve actuation boss 12 on valve tappet 100.
When cam 400 rotates, valve tappet 100 is passed to valve 300 by the thrust of cam 400, and drives valve 300 to move back and forth.While rotating due to cam 400, the lateral force that valve tappet 100 will apply in the time of also bearing cam 400 axles rotation, so valve spring 200 also needs to overcome the inertial force that valve tappet 100 and valve 300 produce.The valve tappet 100 that adopts the utility model to provide, makes valve tappet 100 generations valve spring 200 inertial force are diminished because quality reduces, and the inertial force that valve spring 200 need to overcome is reduced, and then the elastic force of valve spring 200 reduces.Because the effect of valve spring 200 is to maintain normally contact between each part of distribution device, the force of sliding friction between each part is directly proportional to the elastic force of valve spring 200, therefore, can realize the object of reduction fuel consumption rate.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.Those skilled in the art, read after foregoing, for multiple modification of the present utility model with to substitute will be all apparent.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (4)
1. a lightweight valve tappet, is characterized in that, this valve tappet comprises:
Housing (10), described housing (10) is cylindrical, and one end of this housing (10) is open type, the other end sealing;
A plurality of lightening holes (11), described a plurality of lightening holes (11) are separately positioned on this housing (10) sidewall;
Valve actuation boss (12), described valve actuation boss (12) is arranged on the closed end inwall of housing (10).
2. lightweight valve tappet as claimed in claim 1, is characterized in that, described a plurality of lightening holes (11) are polygonal, is evenly arranged on described housing (10) sidewall.
3. lightweight valve tappet as claimed in claim 1, is characterized in that, described a plurality of lightening holes (11) are rounded, is evenly arranged on described housing (10) sidewall.
4. lightweight valve tappet as claimed in claim 1, is characterized in that, described a plurality of lightening holes (11) ovalize is evenly arranged on described housing (10) sidewall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420389270.1U CN204002960U (en) | 2014-07-15 | 2014-07-15 | A kind of lightweight valve tappet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420389270.1U CN204002960U (en) | 2014-07-15 | 2014-07-15 | A kind of lightweight valve tappet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204002960U true CN204002960U (en) | 2014-12-10 |
Family
ID=52042978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420389270.1U Active CN204002960U (en) | 2014-07-15 | 2014-07-15 | A kind of lightweight valve tappet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204002960U (en) |
-
2014
- 2014-07-15 CN CN201420389270.1U patent/CN204002960U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |