CN204140151U - Motor car engine roller type tappet - Google Patents
Motor car engine roller type tappet Download PDFInfo
- Publication number
- CN204140151U CN204140151U CN201420594737.6U CN201420594737U CN204140151U CN 204140151 U CN204140151 U CN 204140151U CN 201420594737 U CN201420594737 U CN 201420594737U CN 204140151 U CN204140151 U CN 204140151U
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- oilhole
- roller
- ball
- pedestal
- push rod
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Abstract
The utility model relates to a kind of automobile engine air distributing device parts, and a kind of motor car engine roller type tappet, belongs to technical field of automobile engine specifically.It comprises pedestal, and pedestal top is provided with push rod installation cavity, and push rod installation cavity bottom centre is provided with ball-and-socket hole, and ball-and-socket hole is that Gothic bias is spherical.The first oilhole, the second oilhole and the 3rd oilhole is provided with in the push rod installation cavity of pedestal, push rod installation cavity is communicated with roller mounting slot by respective duct with the 3rd oilhole by the first oilhole, the second oilhole respectively, forms lubricant oil road structure in parallel.Ball-and-socket hole of the present utility model adopts the lightweight optimizing structure design of Gothic eccentric spherical, ball head of pushing rod is fitted more with when contacting bottom ball-and-socket hole, can not need directly to be contacted with ball head of pushing rod by ball and socket base, just effectively can increase the area of contact between it, reduce the contact stress between it, effectively reduce the noise produced when ball head of pushing rod turns to.
Description
Technical field
The utility model relates to a kind of automobile engine air distributing device parts, and a kind of motor car engine roller type tappet, belongs to technical field of automobile engine specifically.
Background technique
Distribution device is as the important component part of motor, and its performance quality is directly connected to the power performance of motor, economic performance and emission performance.Along with the development trend of engine high power, energy-saving and emission-reduction, the requirement of people to its performance index is more and more higher, thus has higher requirement to its distribution device.
Tappet is as one of key component in distribution device, bear high mechanical load, heat load at work, particularly in exhaust unit, be subject to exhaust back pressure large, serious wear, and noise is large, if lubricating status is bad, the adjustment of valve clearance can not effectively control, and will affect discharge quality and increase toxic emission total amount.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, thus provide that a kind of structure is simple, greasy property good, wear resistance is high, long service life, noise are little and effectively can control the motor car engine roller type tappet that valve clearance regulates, improve discharge quality and reduce toxic emission total amount.
According to the technological scheme that the utility model provides, motor car engine roller type tappet comprises pedestal, the journal stirrup of two symmetrical distributions is provided with bottom pedestal, the roller mounting slot of channel form is formed between two journal stirrups, two journal stirrups are provided with roller shaft mounting hole, in roller shaft mounting hole, roller shaft is installed, roller shaft connects roller, roller is positioned at roller mounting slot, it is characterized in that: pedestal top is provided with push rod installation cavity, push rod installation cavity bottom centre is provided with ball-and-socket hole, and ball-and-socket hole is that Gothic bias is spherical; The first oilhole, the second oilhole and the 3rd oilhole is provided with in the push rod installation cavity of pedestal, push rod installation cavity is communicated with roller mounting slot by respective duct with the 3rd oilhole by the first oilhole, the second oilhole respectively, forms lubricant oil road structure in parallel.
Further, the sidewall of two journal stirrups and the cross-section normal of pedestal.
Further, roller shaft adopts beryllium bronze alloy material to make.
Further, roller is drum organization.
Further, the sidewall of pedestal is provided with the guiding groove of U-shaped, the length direction of guiding groove and block body axis line parallel.
Further, the periphery of pedestal is provided with annular groove.
Further, the 3rd oilhole is positioned at ball-and-socket hole axial centre, through push rod installation cavity and roller mounting slot, the first oilhole, the second oilhole the 3rd oilhole vertical projection planar and the 3rd oilhole on same level straight line.
Compared with the prior art the utility model has the following advantages:
The utility model structure is rationally ingenious, superior performance, ball-and-socket hole adopts the lightweight optimizing structure design of Gothic eccentric spherical, ball head of pushing rod is fitted more with when contacting bottom ball-and-socket hole, can not need directly to be contacted with ball head of pushing rod by ball and socket base, just effectively can increase the area of contact between it, reduce the contact stress between it, the noise produced when effective minimizing ball head of pushing rod turns to, effectively control the adjustment of valve clearance simultaneously, improve the stability of port timing, thus improve discharge quality and reduce toxic emission total amount; Moreover assembling can be reduced make mistakes, reduce cost of production.Greasy property is good, and oilhole in 30 ° of parallel distributions, makes push rod and ball-and-socket hole, roller and roller shaft, better lubricates between roller and cam, reduce between it and wear and tear, increase the service life centered by pedestal axis.
Accompanying drawing explanation
Fig. 1 is the utility model plan view.
Fig. 2 is the utility model plan view.
Fig. 3 is A-A sectional view in Fig. 2.
Fig. 4 is B-B sectional view in Fig. 2.
Description of reference numerals: 1-pedestal, 2-journal stirrup, 3-roller shaft mounting hole, 4-first oilhole, 5-second oilhole, 6-the 3rd oilhole, 7-ball-and-socket hole, 8-roller shaft, 9-roller, 10-guiding groove, 11-roller mounting slot, 12-push rod installation cavity, 13-annular groove.
Embodiment
Embodiment in is by reference to the accompanying drawings further described by the utility model below:
As shown in Fig. 1 ~ 4, the utility model mainly comprises pedestal 1, forms the roller mounting slot 11 of channel form bottom pedestal 1 between journal stirrup 2, two journal stirrups 2 being provided with two symmetrical distributions.Two journal stirrups 2 are provided with roller shaft mounting hole 3, and install roller shaft 8 in roller shaft mounting hole 3, roller shaft 8 connects roller 9, roller 9 is positioned at roller mounting slot 11.
The sidewall of described two journal stirrups 2 and the cross-section normal of pedestal 1, while maintenance global stability, effectively reduce and reduce costs.
Described roller shaft 8 adopts beryllium bronze alloy material to make, and effectively improves its tension, resistance to compression, abrasion-resistance.Described roller 9 is drum organization, significantly can reduce edge stress, effectively reduces the contact stress between roller 9 and cam friction pair, extends the working life of cam and roller 9.
Pedestal 1 top is provided with push rod installation cavity 12, installs push rod in push rod installation cavity 12.Push rod installation cavity 12 bottom centre is provided with ball-and-socket hole 7, ball-and-socket hole 7 is that Gothic bias is spherical, ball head of pushing rod is fitted more with when contacting bottom ball-and-socket hole 7, can not need directly to be contacted with ball head of pushing rod by ball and socket base, just effectively can increase the area of contact between it, reduce the contact stress between it, the noise produced when effective minimizing ball head of pushing rod turns to, effectively control the adjustment of valve clearance simultaneously, improve the stability of port timing, thus improve discharge quality and reduce toxic emission total amount; Moreover assembling can be reduced make mistakes, reduce cost of production.
The first oilhole 4, second oilhole 5 and the 3rd oilhole 6 is provided with in the push rod installation cavity 12 of pedestal 1, push rod installation cavity 12 is communicated with roller mounting slot 11 by respective duct with the 3rd oilhole 6 by the first oilhole 4, second oilhole 5 respectively, forms lubricant oil road structure in parallel.Described 3rd oilhole 6 is positioned at ball-and-socket hole 7 axial centre, and through push rod installation cavity 12 and roller mounting slot 11, make lubricant oil lubricate to both sides in the middle of roller.Described first oilhole 4, second oilhole 5 the 3rd oilhole 6 vertical projection planar and the 3rd oilhole 6 on same level straight line, make push rod and ball-and-socket hole 7, roller 9 and roller shaft 8, lubricate between roller 9 and cam more evenly fully, improve antiwear property, increase the service life.
The sidewall of pedestal 1 is provided with the guiding groove 10 of U-shaped, and the length direction of guiding groove 10 and pedestal 1 axis being parallel, the installation of guiding groove 10 pairs of push rods has leading role.
The periphery of described pedestal 1 is provided with annular groove 13, has store oil effect.
The utility model is applied in the exhaust unit of engine valve actuating mechanism, when engine operation, camshaft starts to rotate, by with roller carry out face contact form driving automobile motor, roller type tappet ceaselessly does upper and lower to-and-fro motion, the spherical ball-and-socket hole of Gothic bias simultaneously on pedestal is connected with valve actuating push rod, formation spherical pair, by valve actuating push rod and the drive exhauxt valve opens of corresponding part or closedown, fitting piston moves, and waste gas is discharged cylinder.
The utility model structure is rationally ingenious, superior performance, ball-and-socket hole is the spherical lightweight optimizing structure design of Gothic bias, ball head of pushing rod is fitted more with when contacting bottom ball-and-socket hole, can not need directly to be contacted with ball head of pushing rod by ball and socket base, just effectively can increase the area of contact between it, reduce the contact stress between it, the noise produced when effective minimizing ball head of pushing rod turns to, effectively control the adjustment of valve clearance simultaneously, improve the stability of port timing, thus improve discharge quality and reduce toxic emission total amount; Moreover assembling can be reduced make mistakes, reduce cost of production.Greasy property is good, and oilhole in 30 ° of parallel distributions, makes push rod and ball-and-socket hole, roller and roller shaft, better lubricates between roller and cam, reduce between it and wear and tear, increase the service life centered by pedestal axis.
Claims (7)
1. a motor car engine roller type tappet, comprise pedestal (1), pedestal (1) bottom is provided with the journal stirrup (2) of two symmetrical distributions, the roller mounting slot (11) of channel form is formed between two journal stirrups (2), two journal stirrups (2) are provided with roller shaft mounting hole (3), in roller shaft mounting hole (3), roller shaft (8) is installed, roller shaft (8) connects roller (9), roller (9) is positioned at roller mounting slot (11), it is characterized in that: pedestal (1) top is provided with push rod installation cavity (12), push rod installation cavity (12) bottom centre is provided with ball-and-socket hole (7), ball-and-socket hole (7) for Gothic bias spherical, the first oilhole (4), the second oilhole (5) and the 3rd oilhole (6) is provided with in the push rod installation cavity (12) of pedestal (1), push rod installation cavity (12) is communicated with roller mounting slot (11) by respective duct with the 3rd oilhole (6) by the first oilhole (4), the second oilhole (5) respectively, forms lubricant oil road structure in parallel.
2. motor car engine roller type tappet as claimed in claim 1, is characterized in that: the sidewall of described two journal stirrups (2) and the cross-section normal of pedestal (1).
3. motor car engine roller type tappet as claimed in claim 1, is characterized in that: described roller shaft (8) adopts beryllium bronze alloy material to make.
4. motor car engine roller type tappet as claimed in claim 1, is characterized in that: described roller (9) is drum organization.
5. motor car engine roller type tappet as claimed in claim 1, is characterized in that: the sidewall of described pedestal (1) is provided with the guiding groove (10) of U-shaped, the length direction of guiding groove (10) and pedestal (1) axis being parallel.
6. motor car engine roller type tappet as claimed in claim 1, is characterized in that: the periphery of described pedestal (1) is provided with annular groove (13).
7. motor car engine roller type tappet as claimed in claim 1, it is characterized in that: described 3rd oilhole (6) is positioned at ball-and-socket hole (7) axial centre, through push rod installation cavity (12) and roller mounting slot (11), the first oilhole (4), the second oilhole (5) the 3rd oilhole (6) vertical projection planar and the 3rd oilhole (6) on same level straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420594737.6U CN204140151U (en) | 2014-10-14 | 2014-10-14 | Motor car engine roller type tappet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420594737.6U CN204140151U (en) | 2014-10-14 | 2014-10-14 | Motor car engine roller type tappet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204140151U true CN204140151U (en) | 2015-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420594737.6U Active CN204140151U (en) | 2014-10-14 | 2014-10-14 | Motor car engine roller type tappet |
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| Country | Link |
|---|---|
| CN (1) | CN204140151U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931714A (en) * | 2021-11-08 | 2022-01-14 | 无锡锡州机械有限公司 | High bearing capacity automobile valve tappet body part |
-
2014
- 2014-10-14 CN CN201420594737.6U patent/CN204140151U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931714A (en) * | 2021-11-08 | 2022-01-14 | 无锡锡州机械有限公司 | High bearing capacity automobile valve tappet body part |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |