CN208330483U - Valve retainer, cylinder head and engine - Google Patents
Valve retainer, cylinder head and engine Download PDFInfo
- Publication number
- CN208330483U CN208330483U CN201822008242.1U CN201822008242U CN208330483U CN 208330483 U CN208330483 U CN 208330483U CN 201822008242 U CN201822008242 U CN 201822008242U CN 208330483 U CN208330483 U CN 208330483U
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- Prior art keywords
- valve retainer
- cylinder head
- groove
- seat ring
- main part
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Abstract
The utility model belongs to technical field of engines, and in particular to a kind of valve retainer, cylinder head and engine.The valve retainer includes seat ring ontology, groove is equipped with around the central axes of seat ring ontology in the lateral wall of seat ring ontology, when valve retainer is assemblied in cylinder head, the cooling duct passed through for cooling medium is formed between groove and cylinder head, seat ring ontology includes integrally formed main part and bottom, connecting portion in bottom and main part is equipped with water storage tank, and water storage tank is located at the bottom of groove.The utility model by the groove on valve retainer outer wall and forms cooling duct between cylinder head, the cooling to valve retainer is realized by way of being passed through cooling medium to cooling duct, thus reduce inordinate wear, cracking as caused by high temperature, deformation etc., to increase the service life of valve retainer, by the way that water storage tank is arranged to increase the cooling effect of bottom in bottom, thus the highest bottom of valve retainer temperature is able to preferably be cooled down.
Description
Technical field
The utility model belongs to technical field of engines, and in particular to a kind of valve retainer is equipped with the valve retainer
Cylinder head and engine including the cylinder head.
Background technique
As engine reinforcing degree is higher and higher, the use environment of valve retainer is more and more harsher.Since material limits,
Fatigue strength can not meet the life requirements of engine already under valve retainer high temperature, therefore, it is necessary to consider to valve retainer
It is cooled down under working environment.Correspondingly, it is necessary to valve retainer be improved in structure, made cooling with implementable
Property.
Utility model content
The purpose of this utility model is to solve the problems, such as that above-mentioned seat ring in the prior art is cooling insufficient, the purpose be by with
What lower technical solution was realized:
The utility model proposes a kind of valve retainer, including seat ring ontology, the seat ring ontology lateral wall around institute
The central axes for stating seat ring ontology are equipped with groove, when the valve retainer is assemblied on the cylinder cap of cylinder head, the groove with
Form the cooling duct passed through for cooling medium between the cylinder head, the seat ring ontology include integrally formed main part with
Bottom is equipped with water storage tank in the connecting portion of the bottom and the main part, and the water storage tank is located at the bottom of the groove
Portion.
Further, the outer diameter of the bottom is greater than the outer diameter of the main part, and the groove arrangement is in the main part
Outer wall on, the lateral surface of the main part above the groove is for sealing with the cylinder head cooperate first
Face, the lateral surface of the bottom are the secondary sealing area for cooperating with the cylinder head.
Further, the outer edge of the water storage tank is in vertical direction with 60 ° of angles.
Further, the outside wall surface of the main part of the groove position is inverted cone shape wall tapered from top to bottom
Face, so that when the valve retainer is assemblied in the cylinder head, the cooling that is formed between the groove and the cylinder head
Channel is gradually wide from top to bottom.
Further, the cone angle of the inverted cone shape wall surface is 2 ° to 4 °.
Further, fitting groove in a ring is respectively equipped on the primary sealing area and the secondary sealing area.
Further, the inner wall of the seat ring ontology includes the contraction section and expansion segment being from top to bottom sequentially arranged, institute
It states between contraction section and expansion segment using arc transition.
Further, the inner ring bottom of the seat ring ontology is welded with stellite alloy material layer.
The utility model also proposed a kind of cylinder head, and above-mentioned valve retainer is equipped in the cylinder head, described
The cooling duct passed through for cooling medium is formed between groove and the cylinder head, be additionally provided in the cylinder head with it is described cold
But the feed pathway and liquid outlet channel that channel communicates, the feed pathway and the liquid outlet channel are arranged in the cooling duct phase
Pair two sides.
The utility model also proposed a kind of engine comprising above-mentioned cylinder head.
The advantageous effects of the utility model are:
The utility model proposes valve retainer, groove and cylinder after being assemblied in cylinder head, on valve retainer outer wall
Cooling duct is formed between lid, can be realized by way of being passed through cooling medium (such as water) to cooling duct to valve retainer
Cooling, thus reduce inordinate wear, cracking as caused by high temperature, deformation etc., to increase the service life of valve retainer, if
Water storage tank is set to increase the cooling effect of bottom, thus the highest bottom of valve retainer temperature is able to preferably be cooled down.It is mentioned
Cylinder head and engine out equally has above-mentioned advantageous effects.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model valve retainer;
Fig. 2 is that the utility model valve retainer is assemblied in the schematic diagram in cylinder head.
Respectively label is expressed as follows in attached drawing:
10: valve retainer, 11: groove, 12: main part, 13: bottom, 14: primary sealing area, 15: secondary sealing area, 16:
Water storage tank, 17: fitting groove, 18:stellite alloy material layer;
20: cylinder head, 21: feed pathway, 22: liquid outlet channel;
30: cooling duct.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened is fully disclosed to those skilled in the art.
It should be understood that term used herein merely for description particular example embodiment purpose, and have no intention into
Row limitation.Unless the context clearly indicates otherwise, otherwise singular " one " as used in the text, "one" and " described "
Can also indicate to include plural form.The terms "include", "comprise", " containing " and " having " are inclusives, and therefore
It indicates the presence of stated feature, step, operations, elements, and/or components, but presence or addition one or more is not precluded
A other feature, step, operation, component, assembly unit, and/or their combination.
Although can be described in the text using term first, second, third, etc. multiple element, component, region, layer and/
Or section, still, these component, assembly units, region, layer and/or section should not be limited by these terms.These terms can be only
For a component, assembly unit, region, layer or section are distinguished with another region, layer or section.Unless context clearly refers to
Out, do not implied that when otherwise the term and other numerical terms of such as " first ", " second " etc use in the text sequence or
Person's order.Therefore, first element discussed below, component, region, layer or section are in the introduction for not departing from example embodiment
In the case of can be referred to as second element, component, region, layer or section.
For ease of description, an element as illustrated in the diagram can be described use space relativeness term in the text
Either feature is relative to another element or the relationship of feature, these relativeness terms are, for example, " inside ", " outside ", " interior
Side ", " outside ", " following ", " lower section ", " above ", " top " etc..This spatial correlation term is intended to include removing to retouch in figure
The different direction of device in use or operation except the orientation drawn.For example, being retouched if the device in figure is overturn
State for " below other elements or feature " either the element " below other elements or feature " will then be orientated "
Above other elements or feature " either " above other elements or feature ".Therefore, exemplary term " in ... lower section "
It may include in orientation upper and under.In addition device can be oriented and (be rotated by 90 ° or in other directions) and use in text
Spatial correlation descriptor correspondingly explain.
As shown in Figure 1 and Figure 2, the utility model embodiment proposes a kind of valve retainer 10, including seat ring ontology, is present
The lateral wall of circle ontology is equipped with groove 11 around the central axes of seat ring ontology, recessed when valve retainer is assemblied in cylinder head 20
The cooling duct 30 passed through for cooling medium is formed between slot 11 and cylinder head 20, seat ring ontology includes integrally formed main part
12 and bottom 13, it is for example arc-shaped that the connecting portion in bottom 13 and main part 12 is equipped with water storage tank 16(, can also be square
Deng), water storage tank 16 is located at the bottom of groove 11.
The valve retainer 10 that the utility model embodiment is proposed, after being assemblied in cylinder head 20, on 1 outer wall of valve retainer
Groove and cylinder head 20 between formed cooling duct 30, by way of being passed through cooling medium (such as water) to cooling duct 30
It realizes the cooling to valve retainer 10, thus reduces inordinate wear, cracking as caused by high temperature, deformation etc., to increase valve
The service life of seat ring 10, because the highest position of 10 temperature of valve retainer really in bottom 13, therefore, be arranged water storage tank 16 with
Increase the cooling effect of bottom 13, thus the highest bottom of 10 temperature of valve retainer is able to preferably be cooled down.
In addition, water storage tank 16 should not be too deep, the intensity of valve retainer 10 otherwise will affect, for example, outside for main part 12
Diameter is the valve retainer 10 of 95mm specification, and the depth the upper mounting surface that water storage tank 16 is contacted from it with cylinder head can be set as
2.3mm left and right.
In above-described embodiment, it is preferable that the outer diameter of bottom 13 is greater than the outer diameter of main part 12, and groove 11 is arranged in main part
On 12 outer wall, the lateral surface of the main part 12 above groove 11 is the primary sealing area for cooperating with cylinder head 20
14, the lateral surface of bottom 13 is the secondary sealing area 15 for cooperating with cylinder head 20.In the present embodiment, valve retainer 10 with
Cylinder head 20 is interference fit, the specific assembly method for using liquid nitrogen cold fitting.
In above-described embodiment, it is preferable that in vertical direction with 60 ° of angles, this is conducive to increase the outer edge of water storage tank 16
Film-cooled heat and keep the flow trace of cooling medium more gentle.
In above-described embodiment, it is preferable that the outside wall surface of the main part 12 of 16 position of groove is tapered from top to bottom
Inverted cone shape wall surface, so that when valve retainer 10 is assemblied in cylinder head 20, the cooling that is formed between groove 11 and cylinder head 20
Channel 30 is gradually wide from top to bottom, to increase the cooling effect of 10 lower part of valve retainer.
In above-described embodiment, it is preferable that the cone angle of inverted cone shape wall surface is 2 ° to 4 °.
In above-described embodiment, it is preferable that be respectively equipped with assembly in a ring on primary sealing area 14 and secondary sealing area 15
Slot 17, fitting groove 17 has both sides effect, one is sealing surface can be divided into two, is equivalent to increase and seals together,
The second is can store sundries, such as can be squeezed in assembling process by iron filings, the antirust oil etc. that are scraped on valve retainer 10
Into fitting groove 17, to guarantee the cleannes of sealing surface.
In above-described embodiment, it is preferable that the inner wall of seat ring ontology includes the contraction section being from top to bottom sequentially arranged and expansion
Section is opened, arc transition is used between contraction section and expansion segment, the inner ring of seat ring ontology is the exhaust passage of cylinder head 20, is shunk
The form of section, expansion segment and arc transition makes exhaust passage flare shape, is conducive to the exclusion for effectively guiding exhaust gas, subtracts
Small exhaust back pressure.
In above-described embodiment, it is preferable that the inner ring bottom of seat ring ontology is welded with stellite alloy material layer 18, can
To improve the hardness, fatigue at high temperature performance and wear-resisting property of seat ring ontology.
The utility model embodiment also proposed a kind of cylinder head 20, and above-mentioned valve retainer is equipped in cylinder head 20
10.The cooling duct 30 passed through for cooling medium is formed between groove 11 and cylinder head 20, be additionally provided in cylinder head 20 with it is cold
But the feed pathway 21 and liquid outlet channel 22 that channel 30 communicates, wherein feed pathway 21 is used to convey to cooling duct 30 and cool down
Medium, liquid outlet channel 22 is flowed out for the cooling medium in cooling duct 30, to form circulating for cooling medium.
In above-described embodiment, it is preferable that feed pathway 21 and liquid outlet channel 22 are arranged in the opposite two sides in cooling duct 30,
Being arranged so can make the flow path of cooling medium maximum, to improve cooling efficiency.
The utility model embodiment also proposed a kind of engine including above-mentioned cylinder head.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with
Subject to the scope of protection of the claims.
Claims (10)
1. a kind of valve retainer, which is characterized in that including seat ring ontology, the seat ring ontology lateral wall around the seat ring sheet
The central axes of body are equipped with groove, when the valve retainer is assemblied in cylinder head, between the groove and the cylinder head
The cooling duct passed through for cooling medium is formed, the seat ring ontology includes integrally formed main part and bottom, at the bottom
The connecting portion of portion and the main part is equipped with water storage tank, and the water storage tank is located at the bottom of the groove.
2. valve retainer according to claim 1, which is characterized in that the outer diameter of the bottom is greater than the outer of the main part
Diameter, for the groove arrangement on the outer wall of the main part, the lateral surface of the main part above the groove is to use
In the primary sealing area cooperated with the cylinder head, the lateral surface of the bottom is second close for cooperating with the cylinder head
Cover.
3. valve retainer according to claim 2, which is characterized in that the outer edge of the water storage tank in vertical direction with
60 ° of angles.
4. valve retainer according to claim 2, which is characterized in that outside the main part of the groove position
Wall surface is inverted cone shape wall surface tapered from top to bottom, so that when the valve retainer is assemblied in the cylinder head, it is described recessed
The cooling duct formed between slot and the cylinder head is gradually wide from top to bottom.
5. valve retainer according to claim 4, which is characterized in that the cone angle of the inverted cone shape wall surface is 2 ° to 4 °.
6. according to valve retainer described in Claims 2 or 3 or 4 or 5, which is characterized in that the primary sealing area and described
Fitting groove in a ring is respectively equipped on two sealing surfaces.
7. valve retainer according to any one of claims 1 to 5, which is characterized in that the inner wall bread of the seat ring ontology
The contraction section and expansion segment being from top to bottom sequentially arranged are included, arc transition is used between the contraction section and expansion segment.
8. valve retainer according to any one of claims 1 to 5, which is characterized in that the inner ring bottom of the seat ring ontology
It is welded with stellite alloy material layer.
9. a kind of cylinder head, which is characterized in that valve retainer according to claim 1 is equipped in the cylinder head,
The cooling duct passed through for cooling medium is formed between the groove and the cylinder head, is additionally provided in the cylinder head and institute
The feed pathway and liquid outlet channel that cooling duct communicates are stated, it is logical that the feed pathway and the liquid outlet channel are arranged in the cooling
The opposite two sides in road.
10. a kind of engine, which is characterized in that the engine includes cylinder head according to claim 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822008242.1U CN208330483U (en) | 2018-12-03 | 2018-12-03 | Valve retainer, cylinder head and engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822008242.1U CN208330483U (en) | 2018-12-03 | 2018-12-03 | Valve retainer, cylinder head and engine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208330483U true CN208330483U (en) | 2019-01-04 |
Family
ID=64904545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201822008242.1U Active CN208330483U (en) | 2018-12-03 | 2018-12-03 | Valve retainer, cylinder head and engine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208330483U (en) |
-
2018
- 2018-12-03 CN CN201822008242.1U patent/CN208330483U/en active Active
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