CN207598306U - A kind of split type cup-shaped valve tappet - Google Patents
A kind of split type cup-shaped valve tappet Download PDFInfo
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- CN207598306U CN207598306U CN201721744496.9U CN201721744496U CN207598306U CN 207598306 U CN207598306 U CN 207598306U CN 201721744496 U CN201721744496 U CN 201721744496U CN 207598306 U CN207598306 U CN 207598306U
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Abstract
A kind of split type cup-shaped valve tappet, including housing and matrix, matrix is placed on lower part in housing, body upper surface is provided with the spherical cone tank in bottom, taper trench bottom offers the oil input channel connected with base side walls, taper groove sidewall offers the oil road connected with base side walls, and the fuel feed hole and oil outlet connected with oil input channel and oil road is provided on housing.The utility model connects housing and matrix using crimp or interference fit, it does not need to use welding procedure, manufacturing process is more convenient, and with higher structural strength, plunger is whole all to use high alloy wear-resistance material, it not only ensure that the intensity at base bottom and cam contact position, also greatly improve the wearability at the position of matrix taper hole and ball head of pushing rod contact.
Description
Technical field
The utility model is related to air valve tappet of engine technical field, more particularly to a kind of split type cup-shaped valve tappet.
Background technology
In quartastroke engine, camshaft according to the difference of position can be divided into overhead, in put with underlying three kinds,
Wherein put in camshaft is required for cup-shaped valve tappet to be used cooperatively with underlying engine.The effect of cup-shaped valve tappet is mainly
The lift variation of camshaft rotation is transferred to push rod, and process is being used so as to which rocking arm be pushed to open and close valve valve tappet
In, there are two important process faces for valve tappet：1st, bottom end face and camshaft contact；2nd, the internal gentle door ball head of pushing rod of spherical surface connects
It touches.The abrasion of working face can cause Mechanism Clearance to increase, and cause engine abnormal noise and increase oil consumption and waste emission, be to influence hair
One of an important factor for motivation performance.
It is as shown in Figure 1 a kind of existing common cup-shaped valve tappet, is monolithic construction, this structure is integrally closed using high
Golden wear-resistant material is caused material cost higher or is obtained in valve tappet end face using Laser Surface Modification Technology resistance in this way
Mill material, such complex process, cost are higher.Existing common another cup-shaped valve tappet is illustrated in figure 2, is endured in valve
Cemented carbide structure, the structure welding complex process are welded in column bottom, and weld easily loosens, structural strength is had an impact,
And it can only ensure the wearability of end face.
Utility model content
The utility model will solve problem of the prior art, provide a kind of split type cup-shaped valve tappet, have more flexible
Structure and reliable structural strength, and can effectively reduce production and material cost.
In order to achieve the above objectives, the technical solution adopted in the utility model is as follows：
A kind of split type cup-shaped valve tappet, between push rod and Engine Cam, including housing independent mutually and
Matrix, housing is cylindrical, and matrix is in cylindrical shape, and matrix is placed on lower part in housing, and body upper surface is provided with bottom in ball
The cone tank in face, taper groove sidewall offer the oil road connected with base side walls, are provided with what is connected with oil road on housing
Oil outlet.After assembling, base bottom end face and camshaft offset, and taper trench bottom spherical surface and valve ball head of pushing rod offset, and start
Lubricating oil or machine oil in machine can gather in cone tank, and to prevent long-pending oil in bellmouth excessive, lubricating oil or machine oil are from fuel-displaced
Road, oil outlet outflow.
Preferably, taper trench bottom offers the oil input channel connected with base side walls, it is provided on housing and oil input channel
The fuel feed hole of connection.Lubricating oil or machine oil flow into taper trench bottom from fuel feed hole, oil input channel, to taper trench bottom spherical surface and valve
Ball head of pushing rod is lubricated.
Preferably, the outer wall being located on the housing at fuel feed hole is provided with oil feed groove a, in addition, in oil inlet circuit
On the housing and described matrix link position be also provided with groove, i.e., on housing be located at fuel feed hole at inner wall setting oil inlet
Groove a, the outer wall positioned at oil input channel opening on matrix are provided with oil feed groove b, the oil feed groove a and matrix of inner walls
The oil feed groove b of outer wall can only select one of which, can also the two simultaneous selection.The setting of groove is for the ease of oil inlet
Hole and external fuel feeding part are connected and ensure the unobstructed of oil circuit.
Coordinate preferably, described matrix bottom is provided with assembling step and housing, in assembling process, matrix is from housing
Bottom is packed into until housing bottom offsets with assembling step upper surface, this position is the assembling position of valve tappet housing and matrix
It puts.
Preferably, the inner walls are provided with limited step, in assembling process, matrix is packed into straight from housing bottom
It offsets to body upper surface edge with limited step, this position is valve tappet housing and the rigging position of matrix.
Preferably, being provided with cricoid extruding groove a on the housing, formed in matrix outer wall squeeze groove accordingly
B realizes the assembly connection of housing and matrix.
Preferably, the lower part of the housing is provided with cricoid rolling groove a, it is recessed to form rolling in matrix outer wall accordingly
Slot b, realizes the assembly connection of housing and matrix, and assembles step in a fixed inclination, convenient for assembling.
Preferably, the oil outlet is located at rolling groove a or squeezes in groove a.It rolls groove a or extruding groove a can
Oil groove as oil outlet, it is ensured that unobstructed with extraneous oil circuit.
Preferably, being provided with the pit a of local deformation on the housing, pit b is formed in matrix outer wall accordingly, it is real
The assembly connection of housing and matrix is showed, the position of pit a and quantity can be selected as needed.
Preferably, the material of the housing carries out carburizing and quenching for middle low-carbon alloy Steel material or equivalent material, such as
20Cr, 20CrMO etc.；The material of matrix adds bath nitriding, such as X210CrW12 for high alloy wear-resistance material or equivalent material modulation
Deng.Not only ensure that it is strong with camshaft and valve ball head of pushing rod contact position wearability, but also achieved the purpose that reduce material cost.
The beneficial effects of the utility model are：1st, cup-shaped valve tappet using independent housing and matrix combination mutually and
Into low-carbon alloy steel material or equivalent material in housing use, matrix use high alloy wear-resistance material or equivalent material, both ensure
The wearability of mechanism entirety, and reduce material cost.
2nd, housing and matrix are connected using crimp or interference fit, do not needed to using welding procedure, manufacturing process
More convenient, flexible structure, assembling mode is convenient, has higher structural strength, can be realized with engine valve actuating mechanism more preferable
Adaptation.
Description of the drawings
Fig. 1 is a kind of sectional view of cup-shaped valve tappet of the prior art；
Fig. 2 is the sectional view of another cup-shaped valve tappet of the prior art；
Fig. 3 is the exploded perspective view of the utility model embodiment one；
Fig. 4 is the sectional view of the utility model embodiment one；
Fig. 5 is the exploded perspective view of the utility model embodiment two；
Fig. 6 is the sectional view of the utility model embodiment two；
Fig. 7 is the exploded perspective view of the utility model embodiment three；
Fig. 8 is the sectional view of the utility model embodiment three；
Fig. 9 is the structure diagram of oil groove at the utility model fuel feed hole and oil input channel.
In figure：1st, housing；1.1st, fuel feed hole；1.2nd, oil outlet；1.3rd, oil feed groove a；1.4th, groove a is squeezed；1.5th, it rolls
Press slot a；1.6th, pit a；1.7th, limited step；2nd, matrix；2.1st, cone tank；2.2nd, oil input channel；2.3rd, oil road；2.4th, it squeezes
Press slot b；2.5th, rolling groove b；2.6th, pit b；2.7th, step is assembled；2.8th, oil feed groove b.
Specific embodiment
The utility model is further described below by specific embodiment and attached drawing.
Embodiment one：As shown in Figure 3-4, a kind of split type cup-shaped valve tappet, including independent mutually housing 1 and matrix
2, housing 1 is cylindrical, and matrix 2 is in cylindrical shape, and 2 upper surface of matrix is provided with the spherical cone tank 2.1 in bottom, taper
2.1 bottom of slot offers the oil input channel 2.2 connected with 2 side wall of matrix.1 outer wall of housing is provided with a circle oil feed groove a1.3, into
The fuel feed hole 1.1 connected with oil input channel 2.2 is provided in oily groove a1.3, the outer wall of 2.2 opening of oil input channel is located on matrix 2
A circle oil feed groove b is provided with, 2.1 side wall of cone tank offers the oil road 2.3 connected with 2 side wall of matrix, set on housing 1
There is the oil outlet 1.2 connected with oil road 2.3.
Base bottom is equipped with assembling step 2.7, and 1 inner wall of housing is provided with limited step 1.7, in assembling process, matrix 2
It is packed into from 1 bottom of housing and offsets up to limited step 1.7,1 bottom of housing and the assembling step 2.7 of matrix 2 offset, Ran Hou
The position of oil outlet 1.2 is squeezed, and generates the extruding groove a1.4 of a loop, and the assembling for realizing housing 1 and matrix 2 connects
It connects.
Embodiment two：As seen in figs. 5-6, a kind of split type cup-shaped valve tappet, including independent mutually housing 1 and matrix
2, housing 1 is cylindrical, and matrix 2 is in cylindrical shape, and 2 upper surface of matrix is provided with the spherical cone tank 2.1 in bottom, taper
2.1 bottom of slot offers the oil input channel 2.2 connected with 2 side wall of matrix, and 1 outer wall of housing is provided with a circle oil feed groove a1.3, into
The fuel feed hole 1.1 connected with oil input channel 2.2 is provided in oily groove a1.3, the outer wall of 2.2 opening of oil input channel is located on matrix 2
A circle oil feed groove b is provided with, 2.1 side wall of cone tank offers the oil road 2.3 connected with 2 side wall of matrix.
2 bottom of matrix is provided with to be coordinated in the assembling step 2.7 of a fixed inclination with housing 1, and matrix 2 is filled from 1 bottom of housing
Enter and offset until assembling step 2.7 with 1 lower edge of housing, then 1 lower sides of housing are inwardly rolled, material is enabled to flow formation naturally
Groove a1.5 is rolled, forms rolling groove b2.5 in 2 outer wall of matrix accordingly, realizes the assembly connection of housing 1 and matrix 2.
It is punched finally by being located in the rolling groove a1.5 of housing 1, forms oil outlet 1.2, be allowed to and the oil road of matrix 2 2.3
Connection with one heart, it is ensured that oil circuit is unobstructed.
Embodiment three：As Figure 7-8, a kind of split type cup-shaped valve tappet, oil inlet is not needed to suitable for valve tappet
Engine, including independent housing 1 and matrix 2 mutually, housing 1 is cylindrical, and matrix 2 is in cylindrical shape, 2 upper table of matrix
Face is provided with the spherical cone tank 2.1 in bottom, and 2.1 side wall of cone tank offers the oil road 2.3 connected with 2 side wall of matrix,
The oil outlet 1.2 connected with oil road 2.3 is provided on housing 1,2 bottom of matrix is equipped with assembling step 2.7.
1 inner wall of housing is provided with limited step 1.7, in assembling process, matrix 2 from 1 bottom of housing be packed into up to limit
Position step 1.7 offsets, and the assembling step 2.7 of 1 bottom of housing and matrix 2 offsets.Then it is closed at 1 outside selection at least one of housing
Suitable position carries out part, and inwardly extruding forms pit a1.6, forms pit b2.6 in 2 outer wall of matrix accordingly, realizes housing
1 and the assembly connection of matrix 2.
In the above-described embodiments, low-carbon alloy Steel material or equivalent material during the material of housing 1 uses, cost are relatively low；Base
The material of body 2 is high alloy wear-resistance material or equivalent material, and wearability is strong.In addition, in embodiment one and embodiment two, into
The groove of 2 link position of housing 1 and matrix on oily circuit is the oil inlet for being located at 2.2 opening outer wall of oil input channel on matrix 2
Groove b2.8, and in fact, with reference to shown in Fig. 9, the inner wall at fuel feed hole 1.1 is individually located on housing 1, oil feed groove is set
A1.3 sets oil feed groove a1.3 in 1 inner wall of housing simultaneously and oil feed groove b2.8 is set on matrix 2, equally can be with
Realize the effect for facilitating oil inlet.
Structure feature the foregoing is merely specific embodiment of the utility model, but the utility model is not limited to
This, the utility model can be used on similar product, and any those skilled in the art is in the field of the utility model, institute
The variation or modification of work are all covered among the scope of the claims of the utility model.
Claims (11)
1. a kind of split type cup-shaped valve tappet, it is characterised in that：Including housing（1）And matrix（2）, matrix（2）It is placed on housing
（1）Interior lower part, matrix（2）Upper surface is provided with the spherical cone tank in bottom（2.1）, cone tank（2.1）Side wall offer with
Matrix（2）The oil road of side wall connection（2.3）, housing（1）On be provided with and oil road（2.3）The oil outlet of connection（1.2）.
2. a kind of split type cup-shaped valve tappet according to claim 1, it is characterised in that：The cone tank（2.1）Bottom
Portion offers and matrix（2）The oil input channel of side wall connection（2.2）, housing（1）On be provided with and oil input channel（2.2）The oil inlet of connection
Hole（1.1）.
3. a kind of split type cup-shaped valve tappet according to claim 2, it is characterised in that：The housing（1）On be located at
Fuel feed hole（1.1）The outer wall at place is provided with oil feed groove a（1.3）, in addition, in the housing（1）It is upper to be located at fuel feed hole（1.1）
The inner wall and described matrix at place（2）It is upper to be located at oil input channel（2.2）In the outer wall of opening one at or two at be provided with it is corresponding
Groove.
4. a kind of split type cup-shaped valve tappet according to claim 1, it is characterised in that：Described matrix（2）Bottom is set
It is equipped with assembling step（2.7）.
5. a kind of split type cup-shaped valve tappet according to claim 1, it is characterised in that：The housing（1）Inner wall is set
It is equipped with limited step（1.7）.
6. according to a kind of split type cup-shaped valve tappet of claim 1-5 any one of them, it is characterised in that：The housing
（1）On be provided with cricoid extruding groove a（1.4）, accordingly in matrix（2）Outer wall, which is formed, squeezes groove b（2.4）.
7. a kind of split type cup-shaped valve tappet according to claim 6, it is characterised in that：The oil outlet（1.2）Position
In extruding groove a（1.4）It is interior.
8. according to a kind of split type cup-shaped valve tappet of claim 1-5 any one of them, it is characterised in that：The housing
（1）Lower part is provided with cricoid rolling groove a（1.5）, accordingly in matrix（2）Outer wall forms rolling groove b（2.5）.
9. a kind of split type cup-shaped valve tappet according to claim 8, it is characterised in that：The oil outlet（1.2）Position
In rolling groove a（1.5）It is interior.
10. according to a kind of split type cup-shaped valve tappet of claim 1-5 any one of them, it is characterised in that：The housing
（1）On be provided with pit a（1.6）, accordingly in matrix（2）Outer wall forms pit b（2.6）.
11. a kind of split type cup-shaped valve tappet according to claim 1, it is characterised in that：The housing（1）Material
For middle low-carbon alloy Steel material or equivalent material, matrix（2）Material be high alloy wear-resistance material or equivalent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721744496.9U CN207598306U (en) | 2017-12-14 | 2017-12-14 | A kind of split type cup-shaped valve tappet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721744496.9U CN207598306U (en) | 2017-12-14 | 2017-12-14 | A kind of split type cup-shaped valve tappet |
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| Publication Number | Publication Date |
|---|---|
| CN207598306U true CN207598306U (en) | 2018-07-10 |
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ID=62764610
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721744496.9U Active CN207598306U (en) | 2017-12-14 | 2017-12-14 | A kind of split type cup-shaped valve tappet |
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| Country | Link |
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| CN (1) | CN207598306U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882607A (en) * | 2017-12-14 | 2018-04-06 | 杭州新坐标科技股份有限公司 | A kind of split type cup-shaped valve tappet |
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2017
- 2017-12-14 CN CN201721744496.9U patent/CN207598306U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882607A (en) * | 2017-12-14 | 2018-04-06 | 杭州新坐标科技股份有限公司 | A kind of split type cup-shaped valve tappet |
| CN107882607B (en) * | 2017-12-14 | 2024-03-12 | 杭州新坐标科技股份有限公司 | Split cup-shaped valve tappet |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221130 Address after: Workshop 2, Huzhou New Coordinate Material Technology Co., Ltd., No. 68 Zhendong Road, Donglin Town, Wuxing District, Huzhou City, Zhejiang Province, 313021 Patentee after: Huzhou Tongyuan Machinery Parts Co.,Ltd. Address before: 311121 building 1-5, No.18 Longtan Road, Cangqian street, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU XZB TECH Co.,Ltd. |