CN205689575U - A kind of crankshaft group assembly - Google Patents
A kind of crankshaft group assembly Download PDFInfo
- Publication number
- CN205689575U CN205689575U CN201620617318.9U CN201620617318U CN205689575U CN 205689575 U CN205689575 U CN 205689575U CN 201620617318 U CN201620617318 U CN 201620617318U CN 205689575 U CN205689575 U CN 205689575U
- Authority
- CN
- China
- Prior art keywords
- crank
- hole
- short
- long
- connecting shaft
- 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
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a kind of crankshaft group assembly, including short crank, connecting rod, connecting shaft and long crank, one end of described connecting shaft is arranged in the first axis hole on short crank, the middle position of the side of described short crank is provided with the first screwed hole, the opposite side of short crank is provided with short crank spindle neck, and the transition part office on short crank spindle neck is provided with the first enhancement Layer, the other end of described connecting shaft is arranged in the second axis hole on long crank, the described long crank middle position near the side of short crank is provided with the second screwed hole, and two transition part offices on long crank spindle neck are provided with the second enhancement Layer and the 3rd enhancement Layer, the middle-end of described connecting shaft is arranged in the Triaxial hole on connecting rod.The short crank of this utility model is attached with coordinating of pivot pin by connecting shaft with long crank, easy for installation, practical, and the bonding strength between axle journal and the crank of this equipment is high simultaneously, and simple in construction, easily manufactured.
Description
Technical field
This utility model relates to motor device technical field, is specially a kind of crankshaft group assembly.
Background technology
Bent axle is the main rotary gadget of electromotor or electromotor, after loading onto connecting rod, can accept connecting rod up and down reciprocatingly
Motion becomes circulation rotating motion, and its material is made up of carbon structural steels or spheroidal graphite cast-iron, and it has three significant points: main
Axle journal, rod journal and crank.But there is inconvenience in existing bent axle, use inconvenience when installing and change.
Utility model content
The purpose of this utility model is to provide a kind of crankshaft group assembly, with asking of solving to propose in above-mentioned background technology
Topic, is had the beneficial effect that short crank is attached with coordinating of pivot pin by connecting shaft with long crank, easy for installation,
Practical, the bonding strength between axle journal and the crank of this equipment is high simultaneously, and simple in construction, easily manufactured.
For achieving the above object, this utility model following technical scheme of offer: a kind of crankshaft group assembly, including short song
Handle, connecting rod, connecting shaft and long crank, one end of described connecting shaft is arranged in the first axis hole on short crank, described short crank
The middle position of side be provided with the first screwed hole, the opposite side of short crank is provided with short crank spindle neck, and short crank spindle
Transition part office on neck is provided with the first enhancement Layer, and described short crank spindle neck is provided with semicircle keyway, described connecting shaft
The other end is arranged in the second axis hole on long crank, and the described long crank middle position near the side of short crank is provided with
Two screwed holes, two transition part offices that the opposite side of long crank is provided with on long crank spindle neck, and long crank spindle neck are provided with
Second enhancement Layer and the 3rd enhancement Layer, the middle-end of described connecting shaft is arranged in the Triaxial hole on connecting rod, and connecting rod is away from
One end of Triaxial hole is provided with installing hole, and described connecting shaft is fixed with the first axis hole, the second axis hole, Triaxial hole respectively by pivot pin
Connecting, the upper end of connecting shaft is provided with needle roller.
Preferably, cross section all semicirculars in shape of the bottom of described short crank and long crank.
Preferably, described first axis hole, the second axis hole, the two ends of Triaxial hole are all provided with circular arc chamfering.
Preferably, the short crank outside described first screwed hole is provided with the first groove, outside described second screwed hole
Long crank is provided with the second groove.
Preferably, described connecting rod is provided with groove.
Compared with prior art, the beneficial effects of the utility model are: the short crank in this equipment and long crank are by even
Spindle was attached with coordinating of pivot pin, easy for installation, practical, and the connection between axle journal and the crank of this equipment is strong simultaneously
Degree height, and simple in construction, easily manufactured.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is short crank side view of the present utility model；
Fig. 3 is short crank front view of the present utility model；
Fig. 4 is keyway arrangements schematic diagram of the present utility model；
Fig. 5 is short crank top view of the present utility model；
Fig. 6 is long crank side view of the present utility model；
Fig. 7 is long crank front view of the present utility model；
Fig. 8 is long crank top view of the present utility model；
Fig. 9 is bar linkage structure schematic diagram of the present utility model；
Figure 10 is connecting rod side view of the present utility model.
In figure: 1-keyway；2-short crank spindle neck；The short crank of 3-；4-connecting rod；5-needle roller；6-connecting shaft；7-pivot pin；8-
Long crank；9-long crank spindle neck；10-the first axis hole；11-the first screwed hole；12 first enhancement Layers；13-the second axis hole；14-
Second screwed hole；15-the second enhancement Layer；16-the 3rd enhancement Layer；17-Triaxial hole；18-installing hole.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1-10, a kind of embodiment that this utility model provides: a kind of crankshaft group assembly, including short crank 3,
Connecting rod 4, connecting shaft 6 and long crank 8, one end of connecting shaft 6 is arranged in the first axis hole 10 on short crank 3, the one of short crank 3
The middle position of side is provided with the first screwed hole 11, and the opposite side of short crank 3 is provided with short crank spindle neck 2, and short crank spindle
Transition part office on neck is provided with the first enhancement Layer 12, and short crank spindle neck 2 is provided with semicircle keyway 1, another of connecting shaft 6
In the second axis hole 13 that end is arranged on long crank 8, cross section all semicirculars in shape of the bottom of short crank 3 and long crank 8, long crank
8 middle position near the side of short crank 3 are provided with the second screwed hole 14, and the short crank 3 outside the first screwed hole 11 sets
Having the first groove, the long crank 8 outside the second screwed hole 14 to be provided with the second groove, the opposite side of long crank 8 is provided with long crank
Two transition part offices on trunnion 9, and long crank spindle neck 9 are provided with the second enhancement Layer 15 and the 3rd enhancement Layer 16, connect
The middle-end of axle 6 is arranged in the Triaxial hole 17 on connecting rod 4, and connecting rod 4 is provided with groove, and connecting rod 4 is away from Triaxial hole 17
One end is provided with installing hole 18, and connecting shaft 6 is fixing even with first axis hole the 10, second axis hole 13, Triaxial hole 17 respectively by pivot pin
Connecing, first axis hole the 10, second axis hole 13, the two ends of Triaxial hole 17 are all provided with circular arc chamfering, and the upper end of connecting shaft 6 is provided with needle roller
5。
Operation principle: during use, is pumped by connecting rod 4 and drives short crank 3 and the rotary motion of long crank 8,
Then by the main axis of the gear driven motor on the shaft shoulder, thus generating is realized.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this practicality in other specific forms new
Type.Therefore, no matter from the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, this practicality is new
The scope of type is limited by claims rather than described above, it is intended that by the containing of equivalency in claim that fall
All changes in justice and scope are included in this utility model.Should not be considered as any reference in claim limiting
Involved claim.
Claims (5)
1. a crankshaft group assembly, including short crank (3), connecting rod (4), connecting shaft (6) and long crank (8), it is characterised in that:
One end of described connecting shaft (6) is arranged in the first axis hole (10) on short crank (3), in the side of described short crank (3)
Between position be provided with the first screwed hole (11), the opposite side of short crank (3) is provided with short crank spindle neck (2), and short crank spindle
Transition part office on neck is provided with the first enhancement Layer (12), and described short crank spindle neck (2) is provided with semicircle keyway (1), institute
The other end stating connecting shaft (6) is arranged in the second axis hole (13) on long crank (8), and described long crank (8) is near short crank
(3) middle position of side is provided with the second screwed hole (14), and the opposite side of long crank (8) is provided with long crank spindle neck (9),
And two transition part offices on long crank spindle neck (9) are provided with the second enhancement Layer (15) and the 3rd enhancement Layer (16), described company
The middle-end of spindle (6) is arranged in the Triaxial hole (17) on connecting rod (4), and connecting rod (4) is away from one end of Triaxial hole (17)
Be provided with installing hole (18), described connecting shaft (6) by pivot pin respectively with the first axis hole (10), the second axis hole (13), Triaxial hole
(17) fixing connection, the upper end of connecting shaft (6) is provided with needle roller (5).
A kind of crankshaft group assembly the most according to claim 1, it is characterised in that: described short crank (3) and long crank (8)
Cross section all semicirculars in shape of bottom.
A kind of crankshaft group assembly the most according to claim 1, it is characterised in that: described first axis hole (10), the second axle
Hole (13), the two ends of Triaxial hole (17) are all provided with circular arc chamfering.
A kind of crankshaft group assembly the most according to claim 1, it is characterised in that: described first screwed hole (11) outside
Short crank (3) is provided with the first groove, and the long crank (8) in described second screwed hole (14) outside is provided with the second groove.
A kind of crankshaft group assembly the most according to claim 1, it is characterised in that: described connecting rod (4) is provided with groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620617318.9U CN205689575U (en) | 2016-06-21 | 2016-06-21 | A kind of crankshaft group assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620617318.9U CN205689575U (en) | 2016-06-21 | 2016-06-21 | A kind of crankshaft group assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205689575U true CN205689575U (en) | 2016-11-16 |
Family
ID=57416521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620617318.9U Expired - Fee Related CN205689575U (en) | 2016-06-21 | 2016-06-21 | A kind of crankshaft group assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205689575U (en) |
-
2016
- 2016-06-21 CN CN201620617318.9U patent/CN205689575U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20161116 Termination date: 20190621 |