CN207064480U - Rotating shaft assembly and there is its engine - Google Patents
Rotating shaft assembly and there is its engine Download PDFInfo
- Publication number
- CN207064480U CN207064480U CN201720723359.0U CN201720723359U CN207064480U CN 207064480 U CN207064480 U CN 207064480U CN 201720723359 U CN201720723359 U CN 201720723359U CN 207064480 U CN207064480 U CN 207064480U
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- Prior art keywords
- groove
- rotating shaft
- shaft assembly
- bearing seat
- stopping part
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- Expired - Fee Related
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- 238000012545 processing Methods 0.000 abstract description 16
- 239000003921 oil Substances 0.000 description 33
- 238000006073 displacement reaction Methods 0.000 description 14
- 239000010687 lubricating oil Substances 0.000 description 14
- 239000012535 impurity Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000000945 filler Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sliding-Contact Bearings (AREA)
Abstract
The utility model provides a kind of rotating shaft assembly and has its engine, wherein, rotating shaft assembly includes：Rotary shaft；Bearing block, is provided with axis hole, and rotary shaft is located in axis hole；Groove, including the first groove and the second groove, the first groove are arranged on the hole wall of axis hole, and the second grove shaped circumferential is arranged on the outer wall of rotary shaft；Push stopping part, in the first groove and the second groove.By technical scheme provided by the utility model, the problem of can solve the problem that rotating shaft assembly high processing costs of the prior art and assemble inconvenience.
Description
Technical field
Technical field of engines is the utility model is related to, in particular to a kind of rotating shaft assembly and there is its hair
Motivation.
Background technology
Rotary shaft, such as camshaft are usually provided with engine.Camshaft is connected with bearing, for controlling opening for valve
Open and close.Because camshaft can bear radial load and axial force in the running, therefore the bearing coordinated with camshaft needs energy
Enough bear radial load and axial force.In rotating shaft assembly of the prior art, in order to limit the axial movement of rotary shaft, rotary shaft
It is complicated with the fit structure of bearing, special bearing need to be used, such as：Thrust bearing or rolling bearing.And the structure needs
Higher machining accuracy, the problem of high processing costs being present and assemble inconvenience.
Utility model content
The utility model provides a kind of rotating shaft assembly and has its engine, to solve rotary shaft of the prior art
Component high processing costs and the problem of assemble inconvenience.
In order to solve the above problems, according to one side of the present utility model, the utility model provides a kind of rotary shaft
Component, including：Rotary shaft；Bearing block, is provided with axis hole, and rotary shaft is located in axis hole；Groove, including the first groove and second
Groove, the first groove are arranged on the hole wall of axis hole, and the second grove shaped circumferential is arranged on the outer wall of rotary shaft；Push stopping part, it is located at
In first groove and the second groove.
Further, bearing block includes：First bearing seat, there is the first cavity；Second bearing seat, there is the second cavity,
First bearing seat is arranged on the lower section of second bearing seat, and first bearing seat and second bearing seat are detachably connected, the first chamber
Body and the second cavity cooperatively form axis hole, and the first groove is arranged on the inwall of the first cavity, and the first groove and push stopping part are equal
For semicircular configuration.
Further, first bearing seat has the first joint face, and second bearing seat has the second joint face, the first joint face
Be connected with the second joint face, the end face at the end face of the first end of push stopping part and the second end of push stopping part with the second joint face
Abut.
Further, rotating shaft assembly also includes：Oil leak hole, oil leak hole are arranged in axis hole.
Further, oil leak hole is arranged on the bottom surface of the first groove, and the bottom surface of push stopping part is provided with relief portion, relief portion pair
Oil leak hole is answered to set.
Further, oil leak hole is arranged in the side wall of the first groove, the side wall of the groove of correspondence first of push stopping part and the
There is gap between side wall on one groove where oil leak hole.
Further, push stopping part includes first end and the second end, and first end is provided with chamfering close to the side of rotary shaft,
And/or second end the side of rotary shaft is provided with chamfering.
According to another aspect of the present utility model, there is provided a kind of engine, including rotating shaft assembly, wherein, rotary shaft
Component is the rotating shaft assembly of above-mentioned offer.
Further, engine also includes cylinder cap and cover covers, and the first bearing seat of rotating shaft assembly is arranged on cylinder cap, revolves
The second bearing seat of rotating assembly is arranged on cover and covered.
Further, first bearing seat and cylinder cap are integral type structure, and second bearing seat is integral type structure with cover lid.
, can by setting groove and push stopping part between rotary shaft and bearing block using the technical solution of the utility model
So that axial displacement occurs by the first groove bearing block relative with the cooperation limitation push stopping part of push stopping part, pass through push stopping part and second
With respect to push stopping part axial displacement occurs for the cooperation limitation rotary shaft of groove, so as to relative with simple structure limitation rotary shaft
Axial displacement occurs in bearing block.Therefore, the technical solution of the utility model, the processing cost of rotating shaft assembly can be reduced simultaneously
And it is easy to the assembling of rotating shaft assembly.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not form to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 shows the structural representation of rotating shaft assembly provided by the utility model；
Fig. 2 shows radial cross-section of the rotating shaft assembly provided by the utility model in groove；
Fig. 3 shows the structural representation of the first bearing seat of rotating shaft assembly provided by the utility model.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
10th, rotary shaft；20th, bearing block；21st, first bearing seat；211st, the first joint face；22nd, second bearing seat；221st,
Two joint faces；30th, groove；31st, the first groove；32nd, the second groove；40th, push stopping part；41st, first end；42nd, the second end；50th, let out
Oilhole.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe.Obviously, described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.Based on the embodiment in the utility model, those of ordinary skill in the art are not having
There is the every other embodiment made and obtained under the premise of creative work, belong to the scope of the utility model protection.
As shown in figure 1, the utility model embodiment provides a kind of rotating shaft assembly, the rotating shaft assembly includes rotary shaft
10th, bearing block 20, groove 30 and push stopping part 40.Wherein, bearing block 20 is provided with axis hole, and rotary shaft 10 is located in axis hole, and
And rotary shaft 10 can rotate in axis hole.Groove 30 includes the first groove 31 and the second groove 32, wherein the first groove 31 is set
On the hole wall of axis hole, the annular of the second groove 32 is arranged on the outer wall of rotary shaft 10.Push stopping part 40 is located at the He of the first groove 31
In second groove 32.
In the technical scheme of the present embodiment, a part for push stopping part 40 is located at the first groove 31 on bearing block 20, only
Another part of pushed section 40 is located in the second groove 32 in rotary shaft 10.So, the first groove 31 and push stopping part 40 are passed through
Cooperation can limit push stopping part 40 and axial displacement occurs with respect to bearing block 20, can by the cooperation of the groove 32 of push stopping part 40 and second
Axial displacement occurs with respect to push stopping part 40 to limit rotary shaft 10, so as to be limited by push stopping part 40 and the cooperation of groove 30
Relative to bearing block 20 axial displacement occurs for rotary shaft 10.Such a setting can be realized to rotary shaft 10 by simple structure
The limitation of axial displacement, and rotary shaft 10, bearing block 20 and push stopping part 40 can position processing respectively, so as to reduce dress
The processing put.Moreover, when mounted, push stopping part 40 is loaded in the groove 30 that the first groove 31 and the second groove 32 formed
Complete the connection of rotary shaft 10 and bearing block 20；In dismounting, push stopping part 40 is taken out out of groove 30 can complete rotary shaft
10 and the separation of bearing block 20.Therefore, by the technical scheme of the present embodiment, the processing cost of rotating shaft assembly can be reduced simultaneously
And it is easy to the assembling of rotating shaft assembly.
Wherein, push stopping part 40 could be arranged to tabular or laminated structure.First groove 31, the second groove 32 and push stopping part 40
Processing can be positioned respectively, is then assembled together, and can so reduce the difficulty of processing.Moreover, by rotary shaft 10
Set the second groove 32 to form position limiting structure, compared with convexing to form position limiting structure by setting, need in process
The material removed is few, consequently facilitating processing and saving material.By the technical scheme of the present embodiment, push stopping part 40 need not be using spy
Different material is that can be achieved to the axial reliable spacing of rotary shaft 10.When the axial force that rotary shaft 10 is born is larger, to only
Pushed section 40, which carries out suitable heat treatment, can meet intensity requirement.Moreover, the axial end of the first groove 31, the second groove 32
Axial end and the axial end of push stopping part 40 are vertical with the axis of axis hole.In such manner, it is possible to ensure that rotary shaft 10 successfully exists
Axis hole internal rotation.
Further, bearing block 20 includes first bearing seat 21 and second bearing seat 22.Wherein, first bearing seat 21 has
First cavity, second bearing seat 22 have the second cavity.First bearing seat 21 and second bearing seat 22 are detachably connected, and first
Cavity and the second cavity cooperatively form axis hole.The two parts connected by the way that bearing block 20 to be arranged to cooperate, can be reduced
Difficulty of processing, it is easy to the processing of bearing block.Split out moreover, so also allowing for rotary shaft 10 from the axis hole of bearing block 20, so as to
Convenient maintenance.Moreover, the first groove 31 can be arranged on the inwall of the first cavity or the second cavity, the first groove 31 can also
It is arranged on simultaneously on the inwall of the first cavity and the second cavity.Certainly, the shape of push stopping part 40 need to be with the shape of the first groove 31
Match.
In the present embodiment, first bearing seat 21 is arranged on the lower section of second bearing seat 22, and the first groove 31 is arranged on
On the inwall of one cavity.Rotary shaft 10, it is necessary to set lubricating oil therebetween, is rubbed when being rotated relative to bearing block 20 with reducing
Wipe resistance.First bearing seat 21 is arranged below and the first groove 31 is arranged on the inwall of the first cavity, so may be used
So that the lubricating oil of addition is stored in the first groove 31, so as to beneficial to reduction friction.The rotating shaft assembly that the present embodiment provides
It can be understood as sliding bearing structure.Add lubricating oil in rotating shaft assembly, rotary shaft 10 when rotating the second groove 32 with only
Pushed section 40 can form oil film between face close to each other, so as to avoid both from being sent out when bearing the radial load of interaction
It is raw directly to contact, to reduce the resistance of operation.Moreover, the second groove 32 axial end and push stopping part 40 axial end it
Between can also form oil film, so as to avoid both bear interaction axial force when occur directly contact, with reduce
The resistance of operation.
In the present embodiment, groove 30 and push stopping part 40 are loop configuration.And groove 30 is with push stopping part 40 in axis hole
It is interior peripherally disposed.It is arranged such, can ensures under the collective effect of groove 30 and push stopping part 40, both can be to rotary shaft
10 axial displacement provides constraints, and without prejudice to the normal rotation of rotary shaft 10.Wherein, the arc length of the first groove 31 can
To be arranged to identical with the arc length of push stopping part 40.Moreover, between the groove 31 of push stopping part 40 and first, push stopping part 40 and second
Gap is provided between groove 32, in order to assemble and lubricate.
In order to be preferably lubricated to rotating shaft assembly, oil circuit can be set in rotary shaft 10, think the second groove
Lubricating oil is provided between 32 and the face close to each other of push stopping part 40.Specifically, rotary shaft 10 can be arranged to hollow-core construction, will
Oil circuit is arranged on the inside of rotary shaft 10, and sets oil filler point, oil filler point and oil communication on the second groove 32.It is arranged such
Lubricating oil can be provided by the oil circuit in rotary shaft 10, and lubricating oil is injected by the second groove 32 and push stopping part 40 by oil filler point
Between face close to each other, so as to ensure enough lubricating oil supplies, in favor of forming oil film and reducing frictional resistance.
As shown in Fig. 2 for rotating shaft assembly after assembling along groove 30 radial direction cross section view.First bearing seat 21
With the first joint face 211, second bearing seat 22 has the second joint face 221, the first joint face 211 and the second joint face 221
It is connected.The structure for being arranged such the fit precision that can ensure first bearing seat 21 and second bearing seat 22 and device is strong
Degree.Also, the end face of the end face of the first end 41 of push stopping part 40 and the second end 42 of push stopping part 40 is supported with the second joint face 221
Connect.So, abutted against, can be limited only by the second joint face 221 of second bearing seat 22 and two end faces of push stopping part 40
Circumferentially displaced, the situation for driving push stopping part 40 to rotate so as to avoid rotary shaft 10 from occurring when rotating of pushed section 40.
As shown in figure 3, the rotating shaft assembly also includes oil leak hole 50, oil leak hole 50 is arranged in axis hole.By in axis hole
It is interior setting oil leak hole 50, can discharge from oil leak hole rotary shaft 10 in initial rotation due to impurity caused by lack of lubrication with
Impurity caused by other situations.So it can prevent impurity from causing to damage to the outer wall of rotary shaft 10 or the surface of other parts,
So as to the service life of extension fixture.
Oil leak hole 50 can be arranged on the bottom surface of the first groove 31, and the bottom surface of push stopping part 40 is provided with relief portion, keeps away
Portion is allowed to correspond to oil leak hole setting, by setting relief portion to ensure impurity or oil smoothly enters oil leak hole 50 and discharged.Let out
Oilhole 50 can also be arranged in the side wall of the first groove 31, and the side wall and first of the first groove of correspondence 31 of push stopping part 40
There is gap between side wall on groove 31 where oil leak hole 50, by setting gap to ensure that impurity or oil smoothly enter
Oil leak hole 50 is simultaneously discharged.
Specifically, in the present embodiment, oil leak hole 50 is arranged in the bottom surface of the first groove 31 in first bearing seat 21.
Because the basal surface position of the first groove 31 is relatively low, so impurity can intensively and fully be discharged.In the present embodiment,
The speed that lubricating oil flows into the axis hole of bearing block is not less than the speed discharged from oil leak hole 50, so can ensure there is foot in axis hole
Enough lubricating oil is to form oil film.
In the present embodiment, push stopping part 40 includes the end 42 of first end 41 and second.First end 41 close to rotary shaft 10 one
Side is provided with chamfering or the second end 42 is provided with chamfering close to the side of rotary shaft 10.It is of course also possible in first end 41 and
Two ends 42 are respectively provided with chamfering close to the side of rotary shaft 10.By setting chamfering, when assembling rotating shaft assembly, it is easy to thrust
Portion 40 is caught in the second groove 32, can also prevent that contact surface produces scuffing during being caught in.Moreover, by push stopping part
40 end set chamfering, be easy to lubricating oil from chamfering position enter the groove 32 of push stopping part 40 and second between gap in and shape
Into oil film, so as to be advantageous to the lubrication of device.
Another embodiment of the present utility model provides a kind of engine, and the engine includes rotating shaft assembly, wherein, rotation
Shaft assembly is the rotating shaft assembly that above-described embodiment provides.In the engine, set between rotary shaft 10 and bearing block 20 recessed
Groove 30, and push stopping part 40 is set in groove 30, push stopping part 40 can be limited by the first groove 31 and the cooperation of push stopping part 40
Axial displacement occurs with respect to bearing block 20, rotary shaft 10 is limited with respect to push stopping part by the cooperation of the groove 32 of push stopping part 40 and second
40 occur axial displacement, and axial displacement occurs relative to bearing block 20 so as to limit rotary shaft 10.Moreover, such a structure is set
The installation and removal for being easy to rotary shaft 10 and bearing block 20 are put, and then can be in order to the overall installation and removal of engine.This reality
The engine of example offer is provided, the limitation of the axial displacement to rotary shaft 10 can be realized by simple structure, so as to drop
The low processing cost of engine and it is easy to assemble.
Further, engine also includes cylinder cap and cover covers, and the first bearing seat 21 of rotating shaft assembly is arranged on cylinder cap,
The second bearing seat 22 of rotating shaft assembly is arranged on cover and covered.Wherein, first bearing seat 21 can be processed individually, then with starting
The cylinder cap connection of machine；First bearing seat 21 can also be with cylinder cap as an overall processing.By entering to original cylinder cover structure
Row is improved, and the first groove 31 is processed on cylinder cap, you can first bearing seat 21 and cylinder cap are arranged into integral piece.Accordingly
Ground, second bearing seat 22 can be processed individually, be then connected with the cover lid of engine；Second bearing seat 22 can also be made with cover lid
For an overall processing.By being improved to original cover structure, you can second bearing seat 22 and cover lid are arranged into one
Body part.Such a set-up mode does not have to individually processing bearing block 20, so as to reduce the manufacturing cost of engine.Moreover, by first
Bearing block 21 is arranged to integral piece with cylinder cap, or second bearing seat 22 and cover lid are arranged into integral piece, when assembling engine
Without carrying out individually positioning and installation to bearing block 20 again, consequently facilitating engine assembles and improves the precision of assembling.
In addition, first bearing seat 21 and cylinder cap are arranged into integral piece, or second bearing seat 22 and cover lid are arranged to integral piece, can
The total quality of engine is reduced, so as to beneficial to the lightweight for realizing equipment.
Wherein, rotary shaft 10 can be camshaft, and the second groove 32 is processed on the axle journal of camshaft and wears axle journal
Enter in the axis hole of bearing block 20 and can be achieved to the axial displacement of camshaft and the limitation of radial displacement.Such a set-up mode makes convex
The integrated level of wheel shaft is high, and reduces the material usage of camshaft, so as to reduce the total quality of engine.
In order to be lubricated to rotating shaft assembly, lubricating oil, the first groove of rotating shaft assembly are provided with engine
31 are at least partially submerged in lubricating oil.By the way that the first groove 31 is at least partially submerged in into lubricating oil, it is ensured that bearing block
There is enough lubricating oil in 20 axis hole, consequently facilitating forming oil film with the service life of extension fixture.Can moreover, being arranged such
To avoid setting complicated oil circuit to achieve that the lubrication to rotary shaft 10 in rotating shaft assembly, so as to reduce the system of device
Cause this.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step otherwise illustrated in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that each shown in accompanying drawing for the ease of description
The size of individual part is not to be drawn according to the proportionate relationship of reality.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as awarding
Weigh part for specification.In shown here and discussion all examples, any occurrence should be construed as merely example
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：It is similar
Label and letter similar terms is represented in following accompanying drawing, therefore, once be defined in a certain Xiang Yi accompanying drawing, then with
It need not be further discussed in accompanying drawing afterwards.
In description of the present utility model, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " horizontal,
Vertically, vertically, it is horizontal " and " pushing up, bottom " etc. indicated by orientation or position relationship be normally based on orientation or position shown in the drawings
Relation is put, description the utility model is for only for ease of and simplifies description, in the case where not making opposite explanation, these nouns of locality
Do not indicate that and imply that the device of meaning or element there must be specific orientation or with specific azimuth configuration and operation, because
This is it is not intended that limitation to scope of protection of the utility model；The noun of locality " inside and outside " refers to the wheel relative to each part in itself
Wide is inside and outside.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
Furthermore, it is necessary to explanation, limits parts, it is only for be easy to using the word such as " first ", " second "
Corresponding parts to be distinguished, do not have Stated otherwise such as, above-mentioned word does not have particular meaning, therefore it is not intended that to this
The limitation of utility model protection scope.
Claims (10)
- A kind of 1. rotating shaft assembly, it is characterised in that including：Rotary shaft (10)；Bearing block (20), is provided with axis hole, and the rotary shaft (10) is located in the axis hole；Groove (30), including the first groove (31) and the second groove (32), first groove (31) are arranged on the axis hole On hole wall, the second groove (32) annular is arranged on the outer wall of the rotary shaft (10)；Push stopping part (40), in first groove (31) and second groove (32).
- 2. rotating shaft assembly according to claim 1, it is characterised in that the bearing block (20) includes：First bearing seat (21), there is the first cavity；Second bearing seat (22), has the second cavity, and the first bearing seat (21) is arranged on the second bearing seat (22) Lower section, and the first bearing seat (21) and the second bearing seat (22) are detachably connected, first cavity with it is described Second cavity cooperatively forms the axis hole, and first groove (31) is arranged on the inwall of first cavity, and described One groove (31) and the push stopping part (40) are semicircular configuration.
- 3. rotating shaft assembly according to claim 2, it is characterised in that the first bearing seat (21) has the first connection Face (211), the second bearing seat (22) have the second joint face (221), and first joint face (211) connects with described second Junction (221) is connected, the end face of the first end (41) of the push stopping part (40) and the second end of the push stopping part (40) (42) end face abuts with second joint face (221).
- 4. rotating shaft assembly according to any one of claim 1 to 3, it is characterised in that the rotating shaft assembly also wraps Include：Oil leak hole (50), the oil leak hole (50) are arranged in the axis hole.
- 5. rotating shaft assembly according to claim 4, it is characterised in that it is recessed that the oil leak hole (50) is arranged on described first The bottom surface of groove (31), the bottom surface of the push stopping part (40) are provided with relief portion, and the relief portion corresponds to the oil leak hole and set.
- 6. rotating shaft assembly according to claim 4, it is characterised in that it is recessed that the oil leak hole (50) is arranged on described first In the side wall of groove (31), in the side wall of correspondence first groove (31) of the push stopping part (40) and first groove (31) There is gap between side wall where the oil leak hole (50).
- 7. rotating shaft assembly according to claim 1, it is characterised in that the push stopping part (40) include first end (41) and Second end (42), the first end (41) are provided with chamfering, and/or second end close to the side of the rotary shaft (10) (42) side of the rotary shaft (10) is provided with chamfering.
- 8. a kind of engine, including rotating shaft assembly, it is characterised in that the rotating shaft assembly is any in claim 1 to 7 Rotating shaft assembly described in.
- 9. engine according to claim 8, it is characterised in that the rotating shaft assembly is described in Claims 2 or 3 Rotating shaft assembly, the engine also includes cylinder cap and cover covers, and the first bearing seat (21) of the rotating shaft assembly is arranged on institute State on cylinder cap, the second bearing seat (22) of the rotating shaft assembly is arranged on the cover and covered.
- 10. engine according to claim 9, it is characterised in that the first bearing seat (21) is one with the cylinder cap Body formula structure, the second bearing seat (22) are integral type structure with the cover lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720723359.0U CN207064480U (en) | 2017-06-20 | 2017-06-20 | Rotating shaft assembly and there is its engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720723359.0U CN207064480U (en) | 2017-06-20 | 2017-06-20 | Rotating shaft assembly and there is its engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207064480U true CN207064480U (en) | 2018-03-02 |
Family
ID=61509953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720723359.0U Expired - Fee Related CN207064480U (en) | 2017-06-20 | 2017-06-20 | Rotating shaft assembly and there is its engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207064480U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109565957A (en) * | 2019-01-02 | 2019-04-05 | 北京德邦大为科技股份有限公司 | A kind of disc harrow slips and its application method |
| CN110848365A (en) * | 2018-08-21 | 2020-02-28 | 上海汽车集团股份有限公司 | Sliding cam mechanism |
-
2017
- 2017-06-20 CN CN201720723359.0U patent/CN207064480U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848365A (en) * | 2018-08-21 | 2020-02-28 | 上海汽车集团股份有限公司 | Sliding cam mechanism |
| CN110848365B (en) * | 2018-08-21 | 2022-03-11 | 上海汽车集团股份有限公司 | Sliding cam mechanism |
| CN109565957A (en) * | 2019-01-02 | 2019-04-05 | 北京德邦大为科技股份有限公司 | A kind of disc harrow slips and its application method |
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