CN202065027U - Coating friction-reducing valve rotating mechanism - Google Patents
Coating friction-reducing valve rotating mechanism Download PDFInfo
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- CN202065027U CN202065027U CN2011201313630U CN201120131363U CN202065027U CN 202065027 U CN202065027 U CN 202065027U CN 2011201313630 U CN2011201313630 U CN 2011201313630U CN 201120131363 U CN201120131363 U CN 201120131363U CN 202065027 U CN202065027 U CN 202065027U
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- mechanism body
- coating
- valve rotating
- rotating mechanism
- disc
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Abstract
The utility model discloses a coating friction-reducing valve rotating mechanism, which belongs to the fitting components of internal-combustion engine air distribution systems. The coating friction-reducing valve rotating mechanism comprises a mechanism body (1), wherein a through hole is formed on the mechanism body (1); a cover (2) is covered on the mechanism body (1); an outer edge is also arranged on the mechanism body (1); a rolling device and a disc-shaped spring (3) are arranged at the corresponding position of the outer edge; the disc-shaped spring (3) is placed above the rolling device and is respectively contacted with the cover (2) and the mechanism body (1); and a lower wear-resistant coating (9) is arranged on the contact face between the disc-shaped spring (3) and the mechanism body (1). Through the wear-resistant coating arranged between the disc-shaped spring and the mechanism body, the friction between the disc-shaped spring and the mechanism body as well as between the disc-shaped spring and the cover when the disc-shaped spring is rotated can be reduced, the wear between the disc-shaped spring and the mechanism body is improved, and the service life of the valve rotating mechanism is prolonged. The mechanism has a relatively simple structure and is suitable for industrial production.
Description
Technical field
The utility model relates to the matching parts of Valve System of Internal Combustion Engine, a kind of coating antifriction valve rotating mechanism of saying so more specifically.
Background technique
The engine valve rotating machinery is parts of Valve System of Internal Combustion Engine, and its effect is to support valve, and power and drive valve that transmitting the valve switching station needs rotatablely move, and makes the automatic at work Rotating with Uniform of valve to improve its reliability.Engine valve rotating machinery principle is: under the effect of valve rotating mechanism in power, its built-in belleville spring will produce axial deformation, the steel ball that forces belleville spring below does relative motion along the wedged bottom groove of mechanism body, mechanism body under the reaction force of steel ball around rotational, and then drive valve rotation, also can drive belleville spring and mechanism body during steel ball motion simultaneously and do rightabout rotation, like this will be between belleville spring and the mechanism body because of the phase mutual friction that produces relative rotation.Because the spring force of valve directly acts on belleville spring and it is deformed, so the frictional force between mechanism body and the belleville spring can be relatively large, can cause mechanism body and belleville spring serious wear like this, thereby restriction rotating machinery working life, therefore the engine valve rotating machinery of existing structure is shorter working life, and the accessory cost of Valve System of Internal Combustion Engine is increased.
The model utility content
The purpose of this utility model is to solve above-mentioned deficiency, and a kind of a kind of coating antifriction valve rotating mechanism that rubs between the engine valve rotating machinery parts of alleviating is provided.
A kind of coating antifriction valve rotating mechanism provided by the utility model, comprise the mechanism body that is provided with through hole, buckled cover cap on the mechanism body, also be provided with outward edge on the mechanism body, outer peripheral relevant position is equipped with tourelle and belleville spring, belleville spring places the top of tourelle, and contacts with cover cap and mechanism body respectively, and the surface of contact of described belleville spring and mechanism body has following wear resistant coating.
Further technological scheme is: the surface of contact of described belleville spring and cover cap has last wear resistant coating.
Further technological scheme is: described tourelle is combined by steel ball and Returnning spring.
Further technological scheme is: described steel ball and Returnning spring are arranged in the form of a ring.
Further technological scheme is: the outward edge of described mechanism body is provided with the wedged bottom groove, and steel ball and Returnning spring place the wedged bottom groove.
Further technological scheme is: the maximum diameter of described steel ball is less than the maximum depth of wedged bottom groove.
Further technological scheme is again: described belleville spring places the top of steel ball, and is skewed in whole,, near one of body below, and in the above near one of cover cap.
Also further technological scheme is: described upward wear resistant coating, following wear resistant coating are based on TiCN, the CrN coating of PVD technology.
Compared with prior art, the beneficial effects of the utility model are: by between belleville spring and mechanism body and cover cap wear resistant coating being set, can alleviate the frictional force between belleville spring rotation and mechanism body and the cover cap, improve the abrasion condition between belleville spring and the mechanism body, prolong the working life of valve rotating mechanism, structure is simple relatively, be suitable for industrialized production, can be applicable in the middle of the gas distribution system of various types of internal-combustion engines, the utility model just is provided with wear resistant coating at the contact area of belleville spring rotation and mechanism body and cover cap simultaneously, therefore the area of wear resistant coating is less, and cost of production is low, applied range.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the I place partial enlarged drawing of Fig. 1;
Fig. 3 is the A-A ' sectional view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing the utility model is further elaborated.
As Fig. 1, shown in Figure 2, coating antifriction valve rotating mechanism provided by the utility model, comprise the mechanism body 1 that is provided with through hole, buckled cover cap 2 on the mechanism body 1, and also be provided with outward edge on the mechanism body 1, outer peripheral relevant position is equipped with tourelle and belleville spring 3, wherein tourelle preferably adopts steel ball 5 and Returnning spring 6 to combine, and steel ball 5 is arranged in the form of a ring with Returnning spring 6, specifically as shown in Figure 3, on the mounting type of steel ball 5 and Returnning spring 6, wedged bottom groove 7 preferentially is set on the outward edge of mechanism body 1, steel ball 5 places wedged bottom groove 7 with Returnning spring 6.Belleville spring 3 places the top of tourelle, is positioned at the top of steel ball 5, and belleville spring 3 is skewed in whole, belleville spring 3 near one of bodies 1 below, and in the above near one of cover cap 2.This moment, preferably the maximum diameter of steel ball 5 was set to maximum depth less than wedged bottom groove 7.Belleville spring 3 contacts with cover cap 2 and mechanism body 1 respectively, described belleville spring 3 has following wear resistant coating 9 with the surface of contact of mechanism body 1, simultaneously for slowing down the friction between belleville spring 3 and the cover cap 2, wear resistant coating 4 on also can having at the surface of contact between belleville spring 3 and the cover cap 2.The TiCN that is based on the PVD technology, the CrN coatings of last wear resistant coating 4, wear resistant coating 9 preferential employings down.
When the utility model uses in reality, when the cover cap 2 of coating antifriction valve rotating mechanism at power F, F1, under the effect of F2, belleville spring 3 will produce axial deformation, the steel ball 5 that forces belleville spring 3 belows does relative motion along the wedged bottom groove 7 of mechanism body 1, mechanism body 1 under the reaction force of steel ball 5 around rotational, and then drive valve rotation, also can drive belleville spring 3 during steel ball 5 motions simultaneously and do rightabout rotation with mechanism body 1, like this will be between belleville spring 3 and the mechanism body because of the phase mutual friction that produces relative rotation, produce bigger frictional force, and under the effect of following wear resistant coating 9, frictional force is weakened, improve the abrasion condition between mechanism body 1 and the belleville spring 3.Can produce bigger frictional force, and under the effect of last wear resistant coating 4, frictional force be weakened because of the phase mutual friction that produces relative rotation between belleville spring 3 and the cover cap 2, improve the abrasion condition between belleville spring 3 and the cover cap 2.
For verifying concrete effect of the present utility model, the engine valve rotating machinery and the coating antifriction valve rotating mechanism of the present utility model of existing structure contrasted.Two kinds of constructed products contrast through stand test in 1000 hours, and the abrasion condition that is produced is as shown in the table:
Claims (8)
1. coating antifriction valve rotating mechanism, comprise the mechanism body (1) that is provided with through hole, buckled cover cap (2) on the mechanism body (1), mechanism body also is provided with outward edge on (1), outer peripheral relevant position is equipped with tourelle and belleville spring (3), belleville spring (3) places the top of tourelle, and contacts with cover cap (2) and mechanism body (1) respectively, it is characterized in that: described belleville spring (3) has following wear resistant coating (9) with the surface of contact of mechanism body (1).
2. coating antifriction valve rotating mechanism according to claim 1 is characterized in that: described belleville spring (3) has last wear resistant coating (4) with the surface of contact of cover cap (2).
3. coating antifriction valve rotating mechanism according to claim 1 is characterized in that: described tourelle is combined by steel ball (5) and Returnning spring (6).
4. coating antifriction valve rotating mechanism according to claim 3 is characterized in that: described steel ball (5) is arranged in the form of a ring with Returnning spring (6).
5. coating antifriction valve rotating mechanism according to claim 3 is characterized in that: the outward edge of described mechanism body (1) is provided with wedged bottom groove (7), and steel ball (5) places wedged bottom groove (7) with Returnning spring (6).
6. coating antifriction valve rotating mechanism according to claim 3 is characterized in that: the maximum diameter of described steel ball (5) is less than the maximum depth of wedged bottom groove (7).
7. coating antifriction valve rotating mechanism according to claim 3, it is characterized in that: described belleville spring (3) places the top of steel ball (5), and be skewed in whole, its side near one of body (1) below, and in the above near one of cover cap (2).
8. coating antifriction valve rotating mechanism according to claim 1 and 2 is characterized in that: described upward wear resistant coating (4), following wear resistant coating (9) are based on TiCN, the CrN coating of PVD technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201313630U CN202065027U (en) | 2011-04-28 | 2011-04-28 | Coating friction-reducing valve rotating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201313630U CN202065027U (en) | 2011-04-28 | 2011-04-28 | Coating friction-reducing valve rotating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202065027U true CN202065027U (en) | 2011-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201313630U Expired - Fee Related CN202065027U (en) | 2011-04-28 | 2011-04-28 | Coating friction-reducing valve rotating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202065027U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109642690A (en) * | 2016-07-07 | 2019-04-16 | 欧瑞康美科股份公司，沃伦 | Pass-through facility is rotated with the powder for rinsing chamber |
| CN112253278A (en) * | 2020-11-02 | 2021-01-22 | 安福锦湖(湖南)气门有限公司 | Exhaust valve rod rotating device of automobile engine |
-
2011
- 2011-04-28 CN CN2011201313630U patent/CN202065027U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109642690A (en) * | 2016-07-07 | 2019-04-16 | 欧瑞康美科股份公司，沃伦 | Pass-through facility is rotated with the powder for rinsing chamber |
| CN109642690B (en) * | 2016-07-07 | 2021-01-05 | 欧瑞康美科股份公司，沃伦 | Powder rotation through device with flushing cavity |
| CN112253278A (en) * | 2020-11-02 | 2021-01-22 | 安福锦湖(湖南)气门有限公司 | Exhaust valve rod rotating device of automobile engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Mianyang Tianxuan valve components limited liability company Assignor: Zhang Shengyi Contract record no.: 2011510000341 Denomination of utility model: Coating friction-reducing valve rotating mechanism Granted publication date: 20111207 License type: Exclusive License Record date: 20111229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20170428 |