CN209483448U - A kind of assembled camshaft structure of engine - Google Patents
A kind of assembled camshaft structure of engine Download PDFInfo
- Publication number
- CN209483448U CN209483448U CN201920200765.8U CN201920200765U CN209483448U CN 209483448 U CN209483448 U CN 209483448U CN 201920200765 U CN201920200765 U CN 201920200765U CN 209483448 U CN209483448 U CN 209483448U
- Authority
- CN
- China
- Prior art keywords
- cam
- mandrel
- threaded hole
- fixing screws
- hole
- 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
Links
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The utility model discloses a kind of assembled camshaft structure of engine, belong to engine fittings field.This kind of assembled camshaft structure of engine includes mandrel, and several groups axle journal and cam are equipped on the mandrel, and through-hole is equipped in the cam, and the diameter of the through-hole is greater than the outer diameter of axle journal；The cam is removably mounted on mandrel by fixed cell.Wherein, the fixed cell includes at least one set of fixing screws and fixed column, and the fixed column is mounted on mandrel, and the groove to match with fixed column is equipped in the through-hole；The cam is equipped with the first threaded hole to match with fixing screws, and the fixed column is equipped with the second threaded hole to match with fixing screws.The utility model installs cam by being threadedly engaged between fixing screws and the second threaded hole, consequently facilitating dismantling to cam, and will not influence stability of the cam in rotation.
Description
Technical field
The utility model relates to engine fittings field, specifically a kind of assembled camshaft structure of engine.
Background technique
The manufacturing method of conventional cam shaft mainly carries out camshaft by the way of monoblock cast or solid forging
Processing and production, the camshaft of the structure there are problems that being not easy that cam is repaired or replaced；Moreover, traditional structure
There is also process more difficult problem for camshaft.In contrast, assembled cam shaft is by respectively to cam, mandrel and axis
After the accessories such as neck carry out lean processing, then is assembled and formed.So assembled cam shaft has, the processing is simple, structure
The advantages such as compact and light-weight.
However, existing assembled cam shaft still can have that dismounting is inconvenient, for example Chinese patent
CN202467950U discloses a kind of assembled cam shaft, although by using the mode of interference fit connection, it can be by cam
It is assembled with axis body；But by be interference fitted connection type assembled, be not easy to be dismantled, thus also need to its into
Row improves.
Utility model content
The purpose of this utility model is to provide a kind of assembled camshaft structure of engine, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions:
A kind of assembled camshaft structure of engine, including mandrel are equipped with several groups axle journal and convex on the mandrel
Wheel, the cam is interior to be equipped with through-hole, and the diameter of the through-hole is greater than the outer diameter of axle journal；The cam can by fixed cell
Releasably it is mounted on mandrel.
A kind of preferred version that the utility model uses, the fixed cell include at least one set of fixing screws and consolidate
Fixed column, the fixed column are mounted on mandrel, and the groove to match with fixed column is equipped in the through-hole；The cam
It is equipped with the first threaded hole to match with fixing screws, the fixed column is equipped with the second spiral shell to match with fixing screws
Pit.
Another preferred version that the utility model uses, first threaded hole are communicated with groove, and described second
Threaded hole is corresponding with the first threaded hole, and the fixing screws pass through the first threaded hole and the second threaded hole carries out screw thread company
It connects.
Another preferred version that the utility model uses, the axle journal and mandrel carry out interference connection.
Another preferred version that the utility model uses, the mandrel are hollow structure, are internally provided with oil duct；Institute
Several groups first passage is additionally provided on the mandrel stated.
Another preferred version that the utility model uses, the axle journal are equipped at least one set of oil groove, the oil
Second channel is equipped in slot；The second channel is communicated by first passage with oil duct.
Another preferred version that the utility model uses, the both ends of the oil duct are equipped with match with thread plug in
Screw thread.
Another preferred version that the utility model uses, the thread plug are equipped with sealing ring.
Compared with prior art, the utility model can obtain following technical effect through the above technical solution:
(1) structure novel of the utility model, by using with fluted and the first threaded hole cam, and in mandrel
Upper installation is corresponding with groove matched and has the fixed column of the second threaded hole, can pass through fixing screws and the second threaded hole
Between be threadedly engaged cam installed, consequently facilitating dismantle to cam, and will not influence cam in rotation
Stability；Compared to conventionally employed interference connection type, the connection structure of cam and mandrel provided by the utility model will be more
Add easy to disassemble.
(2) the utility model in mandrel by being arranged oil duct, and the oil groove being connected with oil duct is arranged on axle journal,
Convenient for being lubricated operation to the assembled cam shaft.
(3) the utility model is also by being arranged internal screw thread, and the side being threadedly coupled by thread plug at the both ends of oil duct
Formula blocks the both ends of oil duct, thereby may be ensured that the lubricating oil in oil duct will not be leaked out from the both ends of oil duct, and can be in order to
Cleaning is carried out to mandrel.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of assembled camshaft structure of engine.
Fig. 2 is the structural schematic diagram of cam.
Fig. 3 is the A-A sectional view of Fig. 1.
Fig. 4 is the partial enlarged view in Fig. 1 at B.
Fig. 5 is the B-B sectional view of Fig. 1.
Fig. 6 is the structural schematic diagram of axle journal depression angle.
Mark in figure is described as follows: 1- mandrel, 2- axle journal, 3- cam, 4- fixing screws, 5- through-hole, 6- groove, 7-
One threaded hole, 8- fixed column, the second threaded hole of 9-, 10- oil duct, 11- first passage, 12- thread plug, 13- sealing ring, 14- oil
Slot, 15- second channel.
Specific embodiment
Following specific embodiment is the tool made in conjunction with the attached drawing provided in this specification to the technical solution of the application
Body, clearly description.Wherein, the attached drawing of specification is intended merely to for the technical solution of the application being presented more clear bright
, the shape or size in actual production or use are not represented, and can not be using the label of attached drawing as related power
The limitation that benefit requires.
In addition, the term used should make the understanding of broad sense, for the technology of this field in the description of the present application
For personnel, the concrete meaning of term can be understood according to actual concrete condition.For example, term employed in the application
" installation " can be defined as that either non-removable fixed installation etc. is removably fixedly mounted；Used term " setting "
" being equipped with " can be defined as contact setting or not in contact with formula setting etc.；Used term " connection " can with " being connected "
Be defined as being fixedly connected or it is movable connection etc.；Used term " matching " can be defined as in shape or size
It is same or similar etc.；Used noun of locality term is with reference to the accompanying drawings or according to actual conditions and common knowledge
Subject to defined direction.
Embodiment 1
Referring to attached drawing 1-3, this embodiment offers a kind of assembled camshaft structure of engine, including mandrel 1, axle journal 2
With cam 3, wherein be equipped with several groups axle journal 2 and cam 3 on above-mentioned mandrel 1, above-mentioned mandrel 1 is solid drawn tube
Material, above-mentioned axle journal 2 and cam 3 are carbon steel material, and above-mentioned axle journal 2 is hollow annular structure, and carries out interference with mandrel 1
It is cooperatively connected.
Further, for the ease of dismounting cam 3, through-hole 5 is equipped in above-mentioned cam 3；Above-mentioned cam 3 passes through fixed single
Member is removably mounted on mandrel 1；In addition, the diameter of above-mentioned through-hole 5 is greater than the outer diameter of axle journal 2, cam 3 is passed through
Axle journal 2 on mandrel 1 is dismounted, consequently facilitating replacement or reparation cam 3.
Specifically, above-mentioned fixed cell includes three groups of fixing screws 4 and fixed column 8, above-mentioned fixed column 8 can pass through weldering
The mode connect is mounted on mandrel 1, is equipped in above-mentioned through-hole 5 and is matched and corresponding three groups of grooves 6 with three groups of fixed columns 8；
By the setting of groove 6, cam 3 can be made to be embedded in the fixed column 8 of mandrel 1.
In addition, above-mentioned cam 3 is equipped with the first threaded hole 7 for matching with fixing screws 4, in above-mentioned fixed column 8
It also is provided with the second threaded hole 9 to match with fixing screws 4；The first above-mentioned threaded hole 7 is connected with groove 6, and above-mentioned
Two threaded holes 9 are corresponding with the first threaded hole 7, and above-mentioned fixing screws 4 are threadedly coupled with the first threaded hole 7, and are passed through
First threaded hole 7 is threadedly coupled with the second threaded hole 9, and cam 3 is fixed on mandrel 1 so as to realize.Wherein, on
The three groups of fixed columns 8 stated are that the mode of isosceles right triangle can be used to be distributed on mandrel 1, are existed so as to improve cam 3
Stability when rotation.
It is removably mounted on by way of being threadedly coupled cam 3 with the first threaded hole 7 using fixing screws 4
On mandrel 1, convenient for being dismounted to cam 3；It, can be by fixing screws 4 out of second threaded hole 9 when cam 3 wears transition
Unscrewing can make cam 3 be detached from the fixed column 8 on mandrel 1, and the axle journal 2 passed through on mandrel 1 disassembles, in order to carry out
Cam 3 is repaired in replacement, so as to greatly improve the convenience and practicability of the assembled cam shaft structure.
Embodiment 2
Referring to attached drawing 4-6, for the ease of being lubricated operation to the assembled cam shaft, which is in embodiment 1
On the basis of improve, specifically, above-mentioned mandrel 1 be hollow structure, be internally provided with oil duct 10, can not only mitigate this
The weight of assembled cam shaft, but also can be in order to the transfer of lubricating oil；Wherein, above-mentioned mandrel 1 is equipped with several groups the
One channel 11 is symmetrically arranged with two groups of oil grooves 14 on above-mentioned axle journal 2, is equipped with second channel 15 in above-mentioned oil groove 14；Above-mentioned
Second channel 15 is connected by first passage 11 with oil duct 10.
By the setting of first passage 11, oil groove 14 and second channel 15, application lubrication is being carried out to assembled cam shaft
When oily, lubricating oil can be by the oil groove 14 on wherein one group of axle journal 2, and enters along second channel 15 and first passage 11
In the oil duct 10 of mandrel 1；In addition, while mandrel 1 is rotated, lubricating oil in oil duct 10 can from other several groups
One channel 11 enters oil groove 14 along second channel 15, can carry out comprehensive lubricating action to the assembled cam shaft.
Further, in order to which the lubricating oil that can guarantee in oil duct 10 will not be leaked out from the both ends of oil duct 10, above-mentioned oil duct 10
Both ends be equipped with the internal screw thread to match with thread plug 12, above-mentioned thread plug 12 is equipped with the sealing ring 13 of rubber material.
It is threadedly coupled by thread plug 12 with the both ends of oil duct 10, the both ends of oil duct 10 can be blocked, thereby may be ensured that in 0
Lubricating oil will not be leaked out from the both ends of oil duct 10.In addition, since thread plug 12 is threadedly coupled with the both ends of oil duct 10,
It, can be by unwinding thread plug 12, consequently facilitating being carried out clearly to mandrel 1 therefore when needing to clean the assembled cam shaft
It washes.
Assembled camshaft structure of engine provided by the utility model, in assembling, first by the second of several groups axle journal 2
Channel 15 is directed at the first passage 11 on oil duct 10, is then installed several groups axle journal 2 by way of interference fit connection solid
It is scheduled on mandrel 1；Then, by welding, several groups fixed column 8 is installed on mandrel 1, it can be by the cam of several groups
3 are correspondingly embedded in fixed column 8；Followed by by that can incite somebody to action in the second threaded hole 9 of 4 precession fixed column 8 of fixing screws
Several groups cam 3 is fixed on mandrel 1.
In conclusion the utility model by using with fluted 6 and first threaded hole 7 cam 3, and in mandrel 1
Upper installation is corresponding with groove 6 matched and has the fixed column 8 of the second threaded hole 9, can pass through fixing screws 4 and the second spiral shell
Being threadedly engaged between pit 9 installs cam 3, consequently facilitating dismantling to cam 3, and will not influence cam 3 and exists
Stability when rotation；Compared to conventionally employed interference connection type, the company of cam 3 and mandrel 1 provided by the utility model
Binding structure will easily facilitate dismounting.
Also by the way that oil duct 10 is arranged in mandrel 1, and on axle journal 2, setting is connected with oil duct 10 the utility model
Oil groove 14, convenient for being lubricated operation to the assembled cam shaft；In addition, the utility model at the both ends of oil duct 10 by being arranged
Internal screw thread, and pass through the both ends that thread plug 12 blocks oil duct 10 threadably, it thereby may be ensured that in oil duct 10
Lubricating oil will not be leaked out from the both ends of oil duct 10, and convenient for carrying out cleaning to mandrel 1.
It should be noted that above-described embodiment carries out specifically, clearly just for the technical solution and technical characteristic of the application
The description of Chu.And to those skilled in the art, belong to the scheme or feature of the prior art or common knowledge, above
It is not just described in detail in embodiment.
In addition, the technical solution of the application is not limited solely to the above embodiments, those skilled in the art should will illustrate
As a whole, the technical solutions in the various embodiments may also be suitably combined for book, so as to form those skilled in the art
The other embodiments that member is understood that.
Claims (8)
1. a kind of assembled camshaft structure of engine, including mandrel (1), the mandrel are equipped with several groups axle journal on (1)
(2) and cam (3), which is characterized in that be equipped with through-hole (5) in the cam (3), the diameter of the through-hole (5) is greater than axle journal
(2) outer diameter；The cam (3) is removably mounted on mandrel (1) by fixed cell.
2. a kind of assembled camshaft structure of engine according to claim 1, which is characterized in that the fixed cell
Including at least one set of fixing screws (4) and fixed column (8), the fixed column (8) is mounted on mandrel (1), and described is logical
The groove (6) to match with fixed column (8) is equipped in hole (5)；The cam (3) is equipped with to match with fixing screws (4)
The first threaded hole (7), the fixed column (8) is equipped with the second threaded hole (9) for matching with fixing screws (4).
3. a kind of assembled camshaft structure of engine according to claim 2, which is characterized in that first screw thread
Hole (7) is communicated with groove (6), and second threaded hole (9) is corresponding with the first threaded hole (7), the fixing screws (4)
It is threadedly coupled across the first threaded hole (7) with the second threaded hole (9).
4. a kind of assembled camshaft structure of engine according to claim 1, which is characterized in that the axle journal (2)
Interference connection is carried out with mandrel (1).
5. a kind of assembled camshaft structure of engine according to claim 1, which is characterized in that the mandrel (1)
For hollow structure, it is internally provided with oil duct (10)；Several groups first passage (11) are additionally provided on the mandrel (1).
6. a kind of assembled camshaft structure of engine according to claim 4, which is characterized in that the axle journal (2)
It is equipped at least one set of oil groove (14), is equipped with second channel (15) in the oil groove (14)；The second channel (15) is logical
First passage (11) is crossed to communicate with oil duct (10).
7. a kind of assembled camshaft structure of engine according to claim 5 or 6, which is characterized in that the oil duct
(10) both ends are equipped with the internal screw thread to match with thread plug (12).
8. a kind of assembled camshaft structure of engine according to claim 7, which is characterized in that the thread plug
(12) sealing ring (13) are equipped with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920200765.8U CN209483448U (en) | 2019-02-13 | 2019-02-13 | A kind of assembled camshaft structure of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920200765.8U CN209483448U (en) | 2019-02-13 | 2019-02-13 | A kind of assembled camshaft structure of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209483448U true CN209483448U (en) | 2019-10-11 |
Family
ID=68133771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920200765.8U Expired - Fee Related CN209483448U (en) | 2019-02-13 | 2019-02-13 | A kind of assembled camshaft structure of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209483448U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111911257A (en) * | 2020-06-30 | 2020-11-10 | 中国北方发动机研究所(天津) | Combined type distribution camshaft |
-
2019
- 2019-02-13 CN CN201920200765.8U patent/CN209483448U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111911257A (en) * | 2020-06-30 | 2020-11-10 | 中国北方发动机研究所(天津) | Combined type distribution camshaft |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209483448U (en) | A kind of assembled camshaft structure of engine | |
| CN205630464U (en) | Extracting tool of box coupling | |
| CN208203784U (en) | Hinging pin shaft | |
| CN2751982Y (en) | Special tool for withdrawing bearing race of helical-lobe compressor | |
| CN201635672U (en) | Special hoop for anti-wear sheath of sleeve | |
| CN211174250U (en) | High stable camshaft | |
| CN208578862U (en) | A kind of robot crossed roller bearing | |
| CN210422980U (en) | Novel power end crankshaft for diaphragm pump and crankshaft assembly using same | |
| CN210413391U (en) | Novel drill bit extracting tool | |
| CN206287096U (en) | A kind of instrument for dismantling oil cylinder head | |
| CN2333488Y (en) | Portable valve grinder | |
| CN206206351U (en) | For the pin shaft structure that mill type cylinder is connected with mechanical mechanism | |
| CN209041262U (en) | Pull rod is used in a kind of connection of harvester | |
| CN211888448U (en) | Gauge-changing joint device for core rod of cold drawing machine | |
| CN206780307U (en) | A kind of engine cylinder cap bolt disassembly instrument | |
| CN206811520U (en) | A kind of changable sleeve component | |
| CN108302114A (en) | Hinging pin shaft | |
| CN204585134U (en) | High line finish rolling cone axle box bearing puller | |
| CN208867106U (en) | One kind being used for diced system connecting-rod bearing disassembling fixture structure | |
| CN220389297U (en) | Frock is dismantled to screw compressor's wear-resisting cover | |
| CN220470435U (en) | Fixing screw for oil inlet pipe | |
| CN220505137U (en) | Engine oil filter convenient to dismantle | |
| CN219121359U (en) | A simulation frock for brush test | |
| CN211259374U (en) | Anti-corrosion durable sealing bearing | |
| CN214770437U (en) | A auxiliary stay frock for changing CFM56-7B aeroengine damping ring |
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: 20191011 Termination date: 20200213 |