CN207538885U - A kind of vehicle and its engine and valve retainer - Google Patents
A kind of vehicle and its engine and valve retainer Download PDFInfo
- Publication number
- CN207538885U CN207538885U CN201721674631.7U CN201721674631U CN207538885U CN 207538885 U CN207538885 U CN 207538885U CN 201721674631 U CN201721674631 U CN 201721674631U CN 207538885 U CN207538885 U CN 207538885U
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- valve retainer
- valve
- card hole
- engine
- utility
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Abstract
The utility model discloses a kind of valve retainers of engine, including cricoid valve retainer ontology, the valve retainer body center is equipped with the air flue in impenetrating thickness direction, the upper airways are equipped with the card hole to be contacted with valve-face, the card hole lower end is connected with that valve is made to pass through avoid holes, the avoid holes lower end be connected with to ensure air-flow by air passing hole, the card hole is bellmouth, and side wall is 65~75 degree with vertical direction institute angle degree.Valve retainer card hole cone angle provided by the utility model is larger, the heat dissipation area of valve retainer can be increased, so as to reduce the temperature of valve retainer, the material of valve retainer intensity under low-temperature condition is higher than under the condition of high temperature, and then the service life of valve retainer can be improved, improve the cycle of operation of engine.
Description
Technical field
The utility model is related to engine art, more particularly to a kind of vehicle and its engine and valve retainer.
Background technology
Valve retainer is installed in the seat ring bearing bore in automobile engine, and valve passes through the air flue in valve retainer center to stretch into
In engine combustion room, valve-face is bonded with valve retainer can prevent combustion chamber gas leakage.Valve retainer is because positioned at combustion chamber
Interior, operating ambient temperature is high, and high-frequency collision, therefore valve can also occur in the course of work of valve with valve retainer
The risk of seat ring damage is very high, once valve retainer damage may result in engine chamber gas leakage, seriously affects engine
Can, at this time, it may be necessary to be disassembled to engine, replace valve retainer.
With the development of engine technology, new fuel, high discharge standard, high explosion pressure, exhaust gas recycling system
The application of system, the working environment for making valve and valve retainer is increasingly severe, especially the use of fresh fuel, corrosivity, dry grinding etc.
Reason makes the wear problem of valve and valve retainer increasingly severe, so as to reduce engine life.How valve retainer is improved
Service life, extend engine service life, be the technical issues of those skilled in the art are anxious to be resolved.
Utility model content
The purpose of this utility model is to provide a kind of valve retainer of engine, and heat dissipation effect and wear-resisting property are all better than
The prior art.The another object of the utility model is to provide a kind of engine and vehicle including above-mentioned valve retainer.
To achieve these goals, the utility model provides a kind of valve retainer of engine, including cricoid valve seating
Enclose ontology, the valve retainer body center be equipped with impenetrating thickness direction air flue, the upper airways be equipped with to valve
The card hole of taper-face contact, the card hole lower end are connected with that valve is made to pass through avoid holes, and the avoid holes lower end is connected with to protect
Demonstrate,prove air-flow by air passing hole, the card hole is bellmouth, and side wall and vertical direction institute angle degree are 65~75 degree.
Preferably, air passing hole flaring axially downward.
Preferably, it is equipped with the valve retainer being installed on gas between the seat ring ontology lower face and lateral wall
Guiding conical surface during door closure to be oriented to.
Preferably, the angle of taper is 70 degree.
The utility model also provides a kind of engine, including valve retainer described in any one of the above embodiments.
In addition, the utility model additionally provides a kind of vehicle, including above-mentioned engine.
The card hole and avoid holes of existing valve retainer are designed using 45 ° or so low-angles, and heat dissipation effect is poor, and
The initial contact location of card hole and valve-face necessarily makes to bear valve-face mill on valve retainer close to the centre position of card hole
The limited height of damage, make valve retainer can lost material it is limited, it is limited so as to cause engine life.
The angle of card hole side wall and vertical direction is 65~75 degree in the utility model.Due to card hole in the utility model
Angle is more than the prior art, and the heat dissipation area bigger of the card hole of the utility model has better heat dissipation effect, this causes this reality
With the temperature of novel provided valve retainer less than the prior art, the intensity of metal material can be increased with temperature and be reduced, because
This, makes valve retainer work at a lower temperature and is conducive to the intensity for improving its material, and then can improve its service life.
In the case that card hole taper is more than the prior art, the contact position of the utility model valve-face and card hole is closer to valve retainer
Upper surface, it is more for lost material, the service life of engine seat ring can be further improved.Therefore, the utility model can
To well solve prior art problem.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiment of the utility model, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of structure diagram of specific embodiment of the utility model.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is only the reality of the utility model part of the embodiment rather than whole
Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
In order to which those skilled in the art is made to more fully understand the utility model, below in conjunction with the accompanying drawings and specifically
The utility model is described in further detail for embodiment.
Refer to the attached drawing 1, Fig. 1 are a kind of structure diagram of specific embodiment of the utility model.
Valve retainer is installed in seat ring bearing bore, top and valve contacts, bears the shock loading of valve reciprocation；Under
Portion is contacted with cylinder head, and cylinder head is formed and is protected, and extends the service life of cylinder head.Valve retainer is located at engine chamber
Interior, operating temperature is very high, and to extend its working life, the utility model increases valve retainer heat dissipation area to reduce work
When temperature.
As shown in Figure 1, valve retainer includes valve retainer ontology 1, valve retainer ontology 1 is generally annular, in valve seating
1 center of circle ontology is provided through axial air flue 2, and on the one hand the effect of air flue 2 allows gas to enough by air flue 2 enter burns
On the other hand interior will also allow valve to pass through in air flue 2.Air flue 2 is from top to bottom successively by card hole 3, avoid holes 4 and mistake gas
Hole 5 is formed.The conical surface of card hole 3 and vertical direction angle are 65~75 degree, 70 degree of angle of selection in the present embodiment, outside card hole 3
Diameter is identical with the outer diameter of card hole 3 in the prior art, and the height of card hole 3 can refer to the prior art.Certainly, the diameter of card hole 3 and height
Degree can also be selected as needed, and the diameter of 3 upper surface of card hole in the present embodiment is same as the prior art, it is therefore an objective to
In the case that 3 taper of card hole is more than the prior art, make valve-face and the initial contact location of card hole 3 closer to valve retainer
Upper surface due to the raising of initial contact location, can also increase on valve retainer to bear valve-face lost material, into
And the service life of valve retainer can be further improved, certainly, the diameter of 3 upper surface of card hole also can be real slightly larger than the prior art
The purpose of valve-face and 3 initial contact location of card hole is now improved, details are not described herein, and it is new that corresponding design also belongs to this practicality
The protection domain of type.
3 lower end of card hole is connected with avoid holes 4, and 4 top end diameter of avoid holes is equal with 3 bottom diameter of card hole, and avoid holes 4 are also in
Taper, side wall and vertical direction angle are 45 degree.The effect of avoid holes 4 is to avoid valve, can also ensure that gas can be suitable
For profit by air flue 2, therefore, avoid holes 4 are not limited only to the size given by the present embodiment, can also disclosure satisfy that function needed
Other sizes, the utility model do not limit herein.
4 lower end of avoid holes is connected with air passing hole 5, and 5 top end diameter of air passing hole is equal with 4 lower end diameter of avoid holes, existing skill
Air passing hole 5 in art is usually cylindrical, and side is parallel with vertical direction, and the utility model is in order to increase the scattered of valve retainer
Hot area employs the air passing hole 5 that diameter gradually increases from top to bottom, specifically can refer to Figure of description 1, in the present embodiment
Air passing hole 5 is speaker hole, naturally it is also possible to using bellmouth.
Generally use is interference fitted between valve retainer and seat ring bearing bore, and valve retainer is needed during installation by outer
Power is pressed by force in seat ring bearing bore, and since cylinder head is usually the relatively low metal of the hardness such as aluminium, and valve retainer is usually from hard
The higher alloy of degree, valve retainer may cause cylinder head during press fitting to agree to cut, and be damaged cylinder head.This practicality is new
Type is provided on the lateral wall of valve retainer and is oriented to the conical surface 6, reference explanation book attached drawing 1, the lower face and outside of valve retainer
Rounding is equipped between wall, in the junction of rounding and lateral wall circumferentially arranged with the conical surface 6 is oriented to, is oriented to the conical surface 6 and vertical direction
In predetermined angle, the angle is 12 degree in the present embodiment, and the circle diameter for being oriented to 6 bottom end of the conical surface is less than the diameter of seat ring bearing bore,
So valve retainer can be slipped into along the conical surface 6 is oriented in seat ring bearing bore during press fitting, so as to avoid valve retainer because of mistake
It is full of and the side wall of counter race bearing bore is coordinated to cause to agree to cut.
Embodiment adds the angles of 3 conical surface of card hole, so as to increase the area of 3 side of card hole, make the heat dissipation of card hole 3
Area increases, and then can reduce the temperature of valve retainer, avoids high temperature and causes the reduction of the valve retainer strength of materials, Neng Gouti
The service life of high valve retainer, meanwhile, card hole 3 and the initial contact surface of valve-face are higher than the prior art so that valve seating
Circle bears lost material increase, can further improve its service life.In addition, in the present embodiment, the diameter of air passing hole 5 by
Upper downward flaring can also increase the heat dissipation area of valve retainer, can further reduce the operating temperature of valve retainer.This
Outside, the present embodiment is provided with also on valve retainer lateral wall and is oriented to the conical surface 6, and being oriented to the conical surface 6 can install in valve retainer
Guiding role is played in journey, is agreed caused by valve retainer and seat ring bearing bore mismate counter race bearing bore so as to avoid when installing
It cuts, damages cylinder head.
Vehicle and its engine provided by the utility model include above-mentioned each described valve seating of specific embodiment
Circle；Other parts are referred to the prior art, not reinflated herein.
Vehicle provided by the utility model and its engine are described in detail with valve retainer above.Herein
Specific case is applied to be expounded the principle and embodiment of the utility model, the explanation of above example is only intended to
Help understands the method and its core concept of the utility model.It should be pointed out that those skilled in the art are come
Say, under the premise of the utility model principle is not departed from, can also to the utility model, some improvement and modification can also be carried out, these change
It is also fallen into the protection domain of the utility model claims into modification.
Claims (6)
1. a kind of valve retainer of engine, which is characterized in that including cricoid valve retainer ontology (1), the valve retainer
Ontology (1) center is equipped with the air flue (2) in impenetrating thickness direction, and air flue (2) top is equipped with to contact with valve-face
Card hole (3), card hole (3) lower end are connected with the avoid holes for passing through valve (4), and avoid holes (4) lower end is connected with use
With ensure air-flow by air passing hole (5), the card hole (3) is bellmouth, and side wall and vertical direction institute angle degree are 65
~75 degree.
2. valve retainer according to claim 1, which is characterized in that the air passing hole (5) flaring axially downward.
3. valve retainer according to claim 1, which is characterized in that positioned at valve retainer ontology (1) lateral wall
Lower face is equipped with the guiding conical surface (6) to be oriented to when the valve retainer is installed on valve cap.
4. valve retainer according to claim 1, which is characterized in that the side wall of the bellmouth is in vertical direction
Angle is 70 degree.
5. a kind of engine, which is characterized in that including Claims 1-4 any one of them valve retainer.
6. a kind of vehicle, which is characterized in that including the engine described in claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721674631.7U CN207538885U (en) | 2017-12-05 | 2017-12-05 | A kind of vehicle and its engine and valve retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721674631.7U CN207538885U (en) | 2017-12-05 | 2017-12-05 | A kind of vehicle and its engine and valve retainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207538885U true CN207538885U (en) | 2018-06-26 |
Family
ID=62616963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721674631.7U Active CN207538885U (en) | 2017-12-05 | 2017-12-05 | A kind of vehicle and its engine and valve retainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207538885U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109057907A (en) * | 2018-09-30 | 2018-12-21 | 广西玉柴机器股份有限公司 | A kind of new structural valve retainer |
| CN113482765A (en) * | 2021-08-11 | 2021-10-08 | 安徽江淮汽车集团股份有限公司 | Natural gas engine |
-
2017
- 2017-12-05 CN CN201721674631.7U patent/CN207538885U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109057907A (en) * | 2018-09-30 | 2018-12-21 | 广西玉柴机器股份有限公司 | A kind of new structural valve retainer |
| CN109057907B (en) * | 2018-09-30 | 2019-10-15 | 广西玉柴机器股份有限公司 | A kind of valve retainer |
| CN113482765A (en) * | 2021-08-11 | 2021-10-08 | 安徽江淮汽车集团股份有限公司 | Natural gas engine |
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