CN207740058U - A kind of admission cam shaft - Google Patents
A kind of admission cam shaft Download PDFInfo
- Publication number
- CN207740058U CN207740058U CN201721581950.3U CN201721581950U CN207740058U CN 207740058 U CN207740058 U CN 207740058U CN 201721581950 U CN201721581950 U CN 201721581950U CN 207740058 U CN207740058 U CN 207740058U
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- China
- Prior art keywords
- admission cam
- hole
- connecting flange
- shaft
- crescent
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Abstract
The utility model discloses a kind of admission cam shafts, including shaft, admission cam and connecting flange, the admission cam is connect by first through hole with shaft, connecting flange is connect by the second through-hole with shaft, one end of connecting flange is provided with extension lantern ring, the one end for extending lantern ring is provided with connecting screw, one end of connecting screw is threadedly coupled far from the straight slot on shaft and with the other end for extending lantern ring, crescent is provided on connecting flange, mounting hole is provided on the outside of first through hole, fastening screw is provided in crescent, one end penetrating mounting holes of the fastening screw far from crescent are simultaneously connect with the nut in recess, recess is located at the one end of admission cam far from connecting flange.The utility model is by the way that admission cam to be fixedly mounted on connecting flange so that the circumferential direction of admission cam can be adjusted；It is provided with limiting slot on the outside of shaft, limit protrusion is provided in the second through-hole of connecting flange, the fixed work of limit is played to connecting flange.
Description
Technical field
The utility model is related to camshaft correlative technology field, more particularly to a kind of admission cam shaft.
Background technology
Camshaft is a component in piston engine, and the opening and closing for controlling valve act, due to valve
The characteristics of motion is related to the power and service performance of an engine, and camshaft design seems particularly significant.In addition, worked
The rotating speed of Cheng Zhong, camshaft are very high, and the torque born is big, and the requirement of intensity and support etc. to camshaft is very high.Cause
This, it is necessary to solve the above problems to invent a kind of admission cam shaft.
Utility model content
The purpose of this utility model is to provide a kind of admission cam shafts, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions：A kind of admission cam shaft, including shaft, into
Gas cam and connecting flange are provided with first through hole in the middle part of the admission cam, are provided in the middle part of the connecting flange
Two through-holes, the admission cam are connect by first through hole with shaft, and the connecting flange is connect by the second through-hole with shaft,
One end of the connecting flange is provided with extension lantern ring, and described one end for extending lantern ring is provided with connecting screw, the connection spiral shell
One end of silk is threadedly coupled far from the straight slot on shaft and with the other end for extending lantern ring, is provided on the connecting flange
Crescent, the crescent are located at the outside of the second through-hole, mounting hole, the crescent are provided on the outside of the first through hole
It is inside provided with fastening screw, one end penetrating mounting holes of the fastening screw far from crescent are simultaneously connect with the nut in recess,
The recess is located at the one end of admission cam far from connecting flange.
Preferably, it is provided with multiple limiting slots on the outside of the shaft, multiple limiting slot circular arrays distributions, described the
Multiple limit protrusions are provided in two through-holes, the limit protrusion is corresponded with limiting slot.
Preferably, it is provided with bracing piece in the middle part of the inner cavity of the shaft, the first reinforcement is provided on the outside of the bracing piece
Muscle, first reinforcing rib are provided with multiple, and the first reinforcing rib is between two neighboring limiting slot, two neighboring first plus
It is connected by connecting rod between strengthening tendons.
Preferably, it is provided with bracing piece in the middle part of the inner cavity of the shaft, the first reinforcement is provided on the outside of the bracing piece
Muscle, first reinforcing rib are provided with multiple, and the first reinforcing rib is between two neighboring limiting slot, two neighboring first plus
It is connected by connecting rod between strengthening tendons.
Preferably, the crescent is provided with multiple, two neighboring crescent spaced set.
Preferably, the mounting hole is provided with multiple, and multiple mounting hole circular array distributions, the second reinforcing rib is located at phase
Between adjacent two mounting holes, and the quantity of mounting hole is more than the quantity of crescent.
The technique effect and advantage of the utility model：The utility model by admission cam by being fixedly mounted on connecting flange
On so that the circumferential direction of admission cam can be adjusted；Limiting slot is provided on the outside of shaft, in the second through-hole of connecting flange
It is provided with limit protrusion, limit fixed function is played to connecting flange, while being provided with straight slot on shaft, makes connecting flange
It can be fixedly mounted on shaft by connecting screw so that connecting flange installation is firm；Shaft be internally provided with bracing piece,
First reinforcing rib and connecting rod are provided with fixed ring, the second reinforcing rib and reinforcing ring on admission cam, greatly improve this
The stress intensity of device increases the service life of the present apparatus.
Description of the drawings
Fig. 1 is the utility model structural profile illustration.
Fig. 2 is the utility model admission cam structural profile illustration.
Fig. 3 is the utility model connecting flange structure diagrammatic cross-section.
In figure：Shaft 1, limiting slot 11, bracing piece 12, the first reinforcing rib 13, connecting rod 14, admission cam 2, first through hole
21, fixed ring 22, the second reinforcing rib 23, reinforcing ring 24, connecting flange 3, the second through-hole 31, limit protrusion 32, extend lantern ring 4,
Straight slot 5, crescent 6, mounting hole 7, recess 8.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The utility model provides a kind of admission cam shaft as shown in Figs. 1-3, including shaft 1, admission cam 2 and connection
The middle part of flange 3, the admission cam 2 is provided with first through hole 21, and the middle part of the connecting flange 3 is provided with the second through-hole
31, the admission cam 2 is connect by first through hole 21 with shaft 1, and the connecting flange 3 passes through the second through-hole 31 and shaft 1
Connection, one end of the connecting flange 3, which is provided with, extends lantern ring 4, and described one end for extending lantern ring 4 is provided with connecting screw, institute
The one end for stating connecting screw is threadedly coupled far from the straight slot 5 on shaft 1 and with the other end for extending lantern ring 4, the connection
Crescent 6 is provided on flange 3, the crescent 6 is located at the outside of the second through-hole 31, the outside setting of the first through hole 21
There is mounting hole 7, fastening screw, one end penetrating mounting holes of the fastening screw far from crescent 6 are provided in the crescent 6
It 7 and is connect with the nut in recess 8, the recess 8 is located at the one end of admission cam 2 far from connecting flange 3.
The outside of the shaft 1 is provided with multiple limiting slots 11, and 11 circular array of multiple limiting slots is distributed, and described second
Multiple limit protrusions 32 are provided in through-hole 31, the limit protrusion 32 is corresponded with limiting slot 11；The inner cavity of the shaft 1
Middle part is provided with bracing piece 12, and the outside of the bracing piece 12 is provided with the first reinforcing rib 13, and first reinforcing rib 13 is arranged
Have multiple, and the first reinforcing rib 13 passes through company between two neighboring limiting slot 11 between two neighboring first reinforcing rib 13
Extension bar 14 connects；The outside of first through hole 21 is provided with fixed ring 22 on the admission cam 2, and the outside of the fixed ring 22 is logical
The second reinforcing rib 23 is crossed to connect with reinforcing ring 24；The crescent 6 is provided with multiple, 6 spaced set of two neighboring crescent；
The mounting hole 7 is provided with multiple, and the distribution of 7 circular array of multiple mounting holes, the second reinforcing rib 23 is located at two neighboring installation
Between hole 7, and the quantity of mounting hole 7 is more than the quantity of crescent 6.
This practicality operation principle：Admission cam 2 is fixedly mounted on connecting flange 3 so that the circumferential direction of admission cam 2 can
To adjust；The outside of shaft 1 is provided with limiting slot 11, limit protrusion 32 is provided in the second through-hole 31 of connecting flange 3,
Limit fixed function is played to connecting flange 3, while being provided with straight slot 5 on shaft 1, makes connecting flange 3 that can pass through connection
Screw is fixedly mounted on shaft 1 so that the installation of connecting flange 3 is firm；It is internally provided with bracing piece 12, first in shaft 1
Reinforcing rib 13 and connecting rod 14 are provided with fixed ring 22, the second reinforcing rib 23 and reinforcing ring 24, greatly on admission cam 2
The stress intensity for improving the present apparatus increases the service life of the present apparatus.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Equivalent replacement is carried out, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of admission cam shaft, including shaft（1）, admission cam（2）And connecting flange（3）, it is characterised in that：The air inlet
Cam（2）Middle part be provided with first through hole（21）, the connecting flange（3）Middle part be provided with the second through-hole（31）, described
Admission cam（2）Pass through first through hole（21）With shaft（1）Connection, the connecting flange（3）Pass through the second through-hole（31）With axis
Bar（1）Connection, the connecting flange（3）One end be provided with extension lantern ring（4）, the extension lantern ring（4）One end be provided with
Connecting screw, one end of the connecting screw is far from through shaft（1）On straight slot（5）And with extend lantern ring（4）The other end
It is threadedly coupled, the connecting flange（3）On be provided with crescent（6）, the crescent（6）Positioned at the second through-hole（31）It is outer
Side, the first through hole（21）Outside be provided with mounting hole（7）, the crescent（6）It is inside provided with fastening screw, it is described tight
Gu screw is far from crescent（6）One end penetrating mounting holes（7）And and recess（8）Interior nut connection, the recess（8）It is located at
Admission cam（2）Far from connecting flange（3）One end.
2. a kind of admission cam shaft according to claim 1, it is characterised in that：The shaft（1）Outside be provided with it is more
A limiting slot（11）, multiple limiting slots（11）Circular array is distributed, second through-hole（31）Inside it is provided with multiple limit convexes
It rises（32）, the limit protrusion（32）With limiting slot（11）It corresponds.
3. a kind of admission cam shaft according to claim 1, it is characterised in that：The shaft（1）Inner cavity in the middle part of setting
There is bracing piece（12）, the bracing piece（12）Outside be provided with the first reinforcing rib（13）, first reinforcing rib（13）Setting
There is multiple, and the first reinforcing rib（13）Positioned at two neighboring limiting slot（11）Between, two neighboring first reinforcing rib（13）Between
Pass through connecting rod（14）Connection.
4. a kind of admission cam shaft according to claim 1, it is characterised in that：The admission cam（2）Upper first through hole
（21）Outside be provided with fixed ring（22）, the fixed ring（22）Outside pass through the second reinforcing rib（23）With reinforcing ring（24）
Connection.
5. a kind of admission cam shaft according to claim 1, it is characterised in that：The crescent（6）It is provided with multiple, phase
Adjacent two crescents（6）Spaced set.
6. a kind of admission cam shaft according to claim 1, it is characterised in that：The mounting hole（7）Be provided with it is multiple, it is more
A mounting hole（7）Circular array is distributed, the second reinforcing rib（23）Positioned at two neighboring mounting hole（7）Between, and mounting hole（7）
Quantity be more than crescent（6）Quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721581950.3U CN207740058U (en) | 2017-11-23 | 2017-11-23 | A kind of admission cam shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721581950.3U CN207740058U (en) | 2017-11-23 | 2017-11-23 | A kind of admission cam shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207740058U true CN207740058U (en) | 2018-08-17 |
Family
ID=63115967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721581950.3U Active CN207740058U (en) | 2017-11-23 | 2017-11-23 | A kind of admission cam shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207740058U (en) |
-
2017
- 2017-11-23 CN CN201721581950.3U patent/CN207740058U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |