CN207315461U - Camshaft assembly - Google Patents
Camshaft assembly Download PDFInfo
- Publication number
- CN207315461U CN207315461U CN201721175416.2U CN201721175416U CN207315461U CN 207315461 U CN207315461 U CN 207315461U CN 201721175416 U CN201721175416 U CN 201721175416U CN 207315461 U CN207315461 U CN 207315461U
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- CN
- China
- Prior art keywords
- section
- camshaft
- baffle ring
- cam
- linkage section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The utility model discloses a kind of camshaft assembly,Aim to provide a kind of high intensity,The camshaft assembly of high life,A kind of its key points of the technical solution are that camshaft assembly,Including camshaft,The camshaft includes the first fixed section along cam shaft to setting,First baffle ring,Admission cam,Exhaust cam,Construction section,Second baffle ring and the second fixed section,Construction section is equipped with limit card block,The square structure of axial cross section of limit card block,The side wall of limit card block is equipped with arc-shaped slot,Linkage section is equipped between admission cam and exhaust cam,Linkage section includes being placed in the intensive aspect that linkage section two is set,The axial cross section of linkage section is in rectangular configuration,The axial cross section structure triangular in shape of intensive aspect,The both ends of linkage section are respectively equipped with the first arc strengthening portion being connected with admission cam,The second arc strengthening portion being connected with exhaust cam,The utility model is suitable for technical field of engines.
Description
Technical field
A kind of technical field of engines is the utility model is related to, more specifically, it relates to a kind of camshaft assembly.
Background technology
Engine cam be engine valve actuating mechanism a kind of important component, for solve engine start when cylinder
The problem of interior gas pressure is excessive, is typically provided with the mechanism of decompressor to carry out startup pressure release on available engine, it is substantially former
Reason be engine start to normal idling when, be in exhaust valve by the mechanism of decompressor and adapt to opening, the compression in cylinder
Gas can enter exhaust pipe by exhaust valve, so as to reduce the pressure of cylinder interior gas；After the completion of engine start, the mechanism of decompressor
Action resets exhaust valve.
At present in use, during cam axle, larger rotary inertia is born, and it is easy to wear, therefore improve
The structural strength of camshaft and wear-resisting property are and outstanding to the safety effects of cylinder to the service life of camshaft assembly
To be important.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of high intensity, the high life it is convex
Axle aggregate.
To achieve the above object, the utility model provides following technical solution：A kind of camshaft assembly, including cam
Axis, it is characterized in that：The camshaft includes the first fixed section along cam shaft to setting, the first baffle ring, admission cam, exhaust
Cam, construction section, the second baffle ring and the second fixed section, construction section are equipped with limit card block, and the axial cross section of limit card block is in just
Square structure, the side wall of limit card block are equipped with arc-shaped slot, linkage section, linkage section are equipped between admission cam and exhaust cam
The intensive aspect set including being placed in linkage section two, the axial cross section of linkage section is in rectangular configuration, and the axial cross section of intensive aspect is in triangle
Shape structure, the both ends of linkage section be respectively equipped with the first arc strengthening portion being connected with admission cam, be connected with exhaust cam
Two arc strengthening portions, construction section are equipped with the gear being adapted to limit card block, and gear is equipped with towards the side of exhaust cam to be subtracted
Press mechanism.
By using above-mentioned technical proposal, the first fixed section and the second fixed section are used to installing bearing, the first baffle ring and the
Two baffle rings play the role of bearing axial limiting fixation, and gear is nylon material by being molded on construction section, and is wrapped
Overlay in limit card block, the connective stability between camshaft and gear improved by the design of limit card block and limit card slot,
Arc-shaped slot can disperse surface stress, further improve structural strength, since admission cam and exhaust cam are all eccentric wheels,
In order to improve the force stability between admission cam and exhaust cam, linkage section uses cuboid structure, and in linkage section two
Side sets intensive aspect, so as to increase structural strength, the axial cross section structure triangular in shape of intensive aspect also can be steady into an increase structure
Qualitative, the first arc strengthening portion can increase the bonding strength between linkage section and admission cam, and the second arc strengthening portion can be with
Increase the bonding strength between linkage section and exhaust cam.
The utility model is further arranged to：The camshaft is equipped with and is placed between the first fixed section and the first baffle ring
First oil groove, the second oil groove being placed between the second fixed section and the second baffle ring is additionally provided with camshaft, and the first oil groove includes putting
In the first cell wall on camshaft and the second cell wall being placed on the first baffle ring, the outer wall of the first cell wall and the first fixed section passes through
First sloping bearing walls connect, and the second cell wall is connected with the side wall of the first baffle ring by the second sloping bearing walls, the first cell wall with
Second cell wall is connected by arc reinforced wall, and the structure of the second oil groove and the first oil groove is identical.
By using above-mentioned technical proposal, the first oil groove can fill lubricating grease, and arc reinforced wall can increase by the first groove
The structural strength of wall and the second cell wall, that is, improve the bonding strength of the first baffle ring and camshaft, during cam axle, first
Sloping bearing walls flow to the periphery wall of the first fixed section easy to lubricating grease, reduce the mill between the first fixed section periphery wall and bearing
Damage, the second sloping bearing walls flow to the side wall of the first baffle ring easy to lubricating grease, reduce the mill between first gear ring-side wall and bearing
Damage, so as to improve the service life of camshaft, the second oil groove it is structurally and functionally identical with the first oil groove.
The utility model is further arranged to：Teeth on the gear are incline structure.
By using above-mentioned technical proposal, i.e., the teeth on gear are helical teeth, and when rotation can produce one-way gas flow, to gear
Play the role of cooling with camshaft, and helical teeth flank of tooth area is big, has disperseed friction stree, reduces noise.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model camshaft assembly embodiment.
Fig. 2 is the structure diagram of camshaft in the utility model camshaft assembly embodiment.
Fig. 3 is cross section structure schematic diagram at the A-A of Fig. 2 in the utility model camshaft assembly embodiment.
Fig. 4 is cross section structure schematic diagram at the B-B of Fig. 2 in the utility model camshaft assembly embodiment.
Fig. 5 is the C portions enlarged structure schematic diagram of Fig. 2 in the utility model camshaft assembly embodiment.
Embodiment
It is described further referring to figs. 1 to 5 pairs of the utility model camshaft assembly embodiments.
A kind of 1 assembly of camshaft, including camshaft 1, it is characterized in that：The camshaft 1 includes setting along camshaft 1 is axial
The first fixed section 2, the first baffle ring 3, admission cam 4, exhaust cam 5, construction section 6, the second baffle ring 7 and the second fixed section 8, peace
Dress section 6 is equipped with limit card block 9, the square structure of axial cross section of limit card block 9, and the side wall of limit card block 9 is equipped with arc
Shape card slot 10, is equipped with linkage section 11 between admission cam 4 and exhaust cam 5, linkage section 11 includes being placed in what 11 liang of linkage section was set
Intensive aspect 12, the axial cross section of linkage section 11 is in rectangular configuration, the axial cross section structure triangular in shape of intensive aspect 12, linkage section 11
Both ends be respectively equipped with the first arc strengthening portion 13 being connected with admission cam 4, the second arc being connected with exhaust cam 5 strengthen
Portion 14, construction section 6 are equipped with the gear 16 being adapted to limit card block 9, and gear 16 is equipped with decompression towards the side of exhaust cam 5
Mechanism 17.
By using above-mentioned technical proposal, the first fixed section 2 and the second fixed section 8 are used to install bearing, 3 He of the first baffle ring
Second baffle ring 7 plays the role of bearing axial limiting fixation, and gear 16 is nylon material by being molded in construction section 6
On, and be coated in limit card block 9, improved by the design of limit card block 9 and limit card slot between camshaft 1 and gear 16
Connective stability, arc-shaped slot 10 can disperse surface stress, further improve structural strength, due to admission cam 4 and exhaust
Cam 5 is all eccentric wheel, and in order to improve the force stability between admission cam 4 and exhaust cam 5, linkage section 11 uses rectangle
Body structure, and intensive aspect 12 is set in 11 both sides of linkage section, so as to increase structural strength, the axial cross section of intensive aspect 12 is in triangle
Shape structure, be able to can also increase between linkage section 11 and admission cam 4 into an increase structural stability, the first arc strengthening portion 13
Bonding strength, the second arc strengthening portion 14 can increase the bonding strength between linkage section 11 and exhaust cam 5.
The utility model is further arranged to：The camshaft 1 be equipped be placed in the first fixed section 2 and the first baffle ring 3 it
Between the first oil groove 21, be additionally provided with the second oil groove 22 being placed between the second fixed section 8 and the second baffle ring 7 on camshaft 1, first
Oil groove 21 includes the first cell wall 23 being placed on camshaft 1 and the second cell wall 24 being placed on the first baffle ring 3, the first cell wall 23 with
The outer wall of first fixed section 2 is connected by the first sloping bearing walls 26, and the side wall of the second cell wall 24 and the first baffle ring 3 passes through second
Sloping bearing walls 27 connect, and the first cell wall 23 and the second cell wall 24 are connected by arc reinforced wall 25, the second oil groove 22 and first
The structure of oil groove 21 is identical.
By using above-mentioned technical proposal, the first oil groove 21 can fill lubricating grease, and arc reinforced wall 25 can increase by
The structural strength of one cell wall 23 and the second cell wall 24, that is, improve the bonding strength of the first baffle ring 3 and camshaft 1, and camshaft 1 rotates
During, the first sloping bearing walls 26 flow to the periphery wall of the first fixed section 2 easy to lubricating grease, reduce by 2 periphery of the first fixed section
Abrasion between wall and bearing, the second sloping bearing walls 27 flow to the side wall of the first baffle ring 3 easy to lubricating grease, reduce the first baffle ring
Abrasion between 3 side walls and bearing, so as to improve the service life of camshaft 1, the second oil groove 22 structurally and functionally with
One oil groove 21 is identical.
The utility model is further arranged to：Teeth on the gear 16 are incline structure.
By using above-mentioned technical proposal, i.e. teeth on gear 16 are helical teeth, and when rotation can produce one-way gas flow, to tooth
Wheel 16 and camshaft 1 play the role of cooling, and helical teeth flank of tooth area is big, has disperseed friction stree, reduces noise.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, the skill of this area
Art personnel carry out common variations and alternatives in the range of technical solutions of the utility model should all be included in the guarantor of the utility model
In the range of shield.
Claims (3)
1. a kind of camshaft assembly, including camshaft, it is characterized in that：The camshaft includes first along cam shaft to setting
Fixed section, the first baffle ring, admission cam, exhaust cam, construction section, the second baffle ring and the second fixed section, construction section are equipped with limit
Position fixture block, the square structure of axial cross section of limit card block, the side wall of limit card block are equipped with arc-shaped slot, admission cam with
Linkage section is equipped between exhaust cam, linkage section includes being placed in the intensive aspect that linkage section two is set, and the axial cross section of linkage section is in square
Shape structure, the axial cross section structure triangular in shape of intensive aspect, the both ends of linkage section are respectively equipped be connected with admission cam first
Arc strengthening portion, the second arc strengthening portion being connected with exhaust cam, construction section are equipped with the gear being adapted to limit card block, tooth
Wheel is equipped with the mechanism of decompressor towards the side of exhaust cam.
2. camshaft assembly according to claim 1, it is characterized in that：The camshaft be equipped be placed in the first fixed section with
The first oil groove between first baffle ring, is additionally provided with the second oil groove being placed between the second fixed section and the second baffle ring on camshaft,
First oil groove includes the first cell wall being placed on camshaft and the second cell wall being placed on the first baffle ring, and the first cell wall and first are consolidated
The outer wall for determining section is connected by the first sloping bearing walls, and the side wall of the second cell wall and the first baffle ring is connected by the second sloping bearing walls
Connect, the first cell wall and the second cell wall are connected by arc reinforced wall, and the structure of the second oil groove and the first oil groove is identical.
3. camshaft assembly according to claim 1, it is characterized in that：Teeth on the gear are incline structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721175416.2U CN207315461U (en) | 2017-09-14 | 2017-09-14 | Camshaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721175416.2U CN207315461U (en) | 2017-09-14 | 2017-09-14 | Camshaft assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207315461U true CN207315461U (en) | 2018-05-04 |
Family
ID=62382531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721175416.2U Expired - Fee Related CN207315461U (en) | 2017-09-14 | 2017-09-14 | Camshaft assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207315461U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679170A (en) * | 2018-08-16 | 2018-10-19 | 南通振康焊接机电有限公司 | A kind of RV speed reducers of small reduction ratio |
| CN108730426A (en) * | 2018-08-02 | 2018-11-02 | 南通振康焊接机电有限公司 | A kind of robot hollow reducer structure |
| CN108757847A (en) * | 2018-08-16 | 2018-11-06 | 南通振康焊接机电有限公司 | A kind of big retarding than RV speed reducers |
| CN108953541A (en) * | 2018-08-02 | 2018-12-07 | 南通振康焊接机电有限公司 | A kind of RV speed reducer of ultralow reduction ratio |
-
2017
- 2017-09-14 CN CN201721175416.2U patent/CN207315461U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730426A (en) * | 2018-08-02 | 2018-11-02 | 南通振康焊接机电有限公司 | A kind of robot hollow reducer structure |
| CN108953541A (en) * | 2018-08-02 | 2018-12-07 | 南通振康焊接机电有限公司 | A kind of RV speed reducer of ultralow reduction ratio |
| CN108953541B (en) * | 2018-08-02 | 2020-10-20 | 南通振康焊接机电有限公司 | RV speed reducer with ultralow reduction ratio |
| CN108679170A (en) * | 2018-08-16 | 2018-10-19 | 南通振康焊接机电有限公司 | A kind of RV speed reducers of small reduction ratio |
| CN108757847A (en) * | 2018-08-16 | 2018-11-06 | 南通振康焊接机电有限公司 | A kind of big retarding than RV speed reducers |
| CN108679170B (en) * | 2018-08-16 | 2020-12-22 | 南通振康焊接机电有限公司 | RV speed reducer with small reduction ratio |
| CN108757847B (en) * | 2018-08-16 | 2020-12-22 | 南通振康焊接机电有限公司 | RV speed reducer with large reduction ratio |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180504 Termination date: 20200914 |