CN208749798U - Logical machine crankshaft structure - Google Patents
Logical machine crankshaft structure Download PDFInfo
- Publication number
- CN208749798U CN208749798U CN201821215211.7U CN201821215211U CN208749798U CN 208749798 U CN208749798 U CN 208749798U CN 201821215211 U CN201821215211 U CN 201821215211U CN 208749798 U CN208749798 U CN 208749798U
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- China
- Prior art keywords
- oil
- bunker
- journal
- logical machine
- balance weight
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- 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.)
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a kind of logical machine crankshaft structures, including setting gradually fixed long axle journal along axial direction, left balance weight, rod journal, right balance weight and short axle neck, long axle journal and short axle neck are equipped with the bearing shell being fixed on the body of logical machine, long axle journal and short axle neck are equipped with the lubricating place for bearing shell lubrication, it further include lubrication unit, lubrication unit includes the oil input channel being located in one of on balance weight, the oil road for going out bunker and being connected to out bunker and lubricating place in rod journal, in line check valve is equipped between oil input channel and out bunker, oil outlet one-way valve is equipped between bunker and oil road out, bunker is equipped with the sliding channel extended to outside rod journal out, sliding is equipped with piston plate in sliding channel, the fixed clump weight with piston plate.The utility model is intended to provide a kind of logical machine crankshaft structure for avoiding lubricating oil from being on the way lost.
Description
Technical field
The utility model relates to crankshaft technical fields, and in particular to a kind of logical machine crankshaft structure.
Background technique
Currently, logical machine crankshaft is made of long axle journal, left balance weight, rod journal, right balance weight and short axle neck, long axle journal and
Short axle neck passes through bearing shell respectively and is fixed on the body of logical machine, excessive both to prevent from rubbing between bearing shell, in long axle journal and
Short axle neck is equipped with lubrication hole, is set with oil thrower ring on short axle neck, on the lubrication hole and oil thrower ring on long axle journal and short axle neck
The oil duct that draws communicate, crankshaft flows to lubricating oil on long axle journal and short axle neck in rotary course, through the splashing of oil thrower ring
Lubrication hole achievees the purpose that lubrication.
Since oil thrower ring is sleeved on crankshaft, the two is two independent parts, on the one hand, above-mentioned two part is mutually tied
Machining accuracy height at conjunction, difficulty are big, and processing cost is high, and on the other hand, lubricating oil flows to long axis from the oil duct that draws on oil thrower ring
Some lubricating oil can be lost from oil thrower ring with the short axle neck place of combining in the way of neck and the lubrication hole on short axle neck, to make
The practical lubrication shortage of oil for arriving lubrication hole.
Utility model content
The utility model is intended to provide a kind of logical machine crankshaft structure for avoiding lubricating oil from being on the way lost.
Base case: logical machine crankshaft structure, including setting gradually fixed long axle journal, left balance weight, pitman shaft along axial direction
Neck, right balance weight and short axle neck, long axle journal and short axle neck are equipped with the bearing shell being fixed on the body of logical machine, long axle journal and short axle neck
It is equipped with the lubricating place for bearing shell lubrication, further includes lubrication unit, lubrication unit includes being located in one of on balance weight
Oil input channel, going out bunker and be connected to out the oil road of bunker and lubricating place in rod journal, oil input channel with it is fuel-displaced
It is equipped in line check valve between storehouse, is equipped with oil outlet one-way valve between bunker and oil road out, bunker is equipped with and extends to connecting rod out
Sliding channel outside axle journal, the interior sliding of sliding channel are equipped with piston plate, the clump weight fixed with piston plate.
The principles of the present invention:
Long axle journal, section axle journal provide stable support for being fixed on logical machine body for crank rotation, and crankshaft should have
Static balance and dynamically balanced, balance weight is exactly to adjust static balance specific way, and the purpose of balance is after reducing crankshaft high-speed rotation
Oscillation Amplitude and frequency；Crankshaft is not uniform component, and when high revolving speed can generate very big vibration, and vibration influences the longevity of axis
Life, while mechanical precision is extremely difficult to, it is necessary to doing dynamic balancing makes crankshaft reach optimum state；The setting of bearing shell can then greatly reduce
The friction of installation place, abrasion, improve service life, and oil input channel provides oil inlet passage for lubrication unit, convenient for external world's lubricating oil into
Enter into crankshaft, piston plate moves meeting outside sliding channel so that the oil pressure reduction in bunker out, leads to the lubricating oil in oil input channel
It is entered out in bunker by line check valve, piston plate moves along sliding channel, and the oil pressure that can be used in bunker increases, and leads
It causes out the lubricating oil in bunker to enter in oil road by oil outlet one-way valve, and then reaches in lubricating place, reach lubrication mesh
, and the setting of clump weight can then move back and forth during crank rotation along sliding channel, and then be the past of piston plate
Multiple mobile offer power.
Utility model has the advantages that
Lubrication unit in the utility model can utilize the centrifugal movement of the clump weight during crank rotation, centripetal fortune
Dynamic variation come realize clump weight drive piston plate move back and forth, and then realize out the oil suction of bunker, oil extraction movement, thus will pass
The lubricating oil diffusion way of the passive type of system is converted into existing active lubrication oil circulation mode, so that lubricating oil is following
Ring is pushed by continual sufficient pressurising force on the way, and circulation rate is accelerated, and not only increases lubricating efficiency, and avoid lubrication
The problem of oil is on the way lost, improves lubricant effect.
Further, it is integrally formed between long axle journal and left balance weight, between right balance weight and short axle neck.Pass through one
Convenient formation fast realizes logical machine crankshaft component processing production.
Further, lubricating place is annular groove.The setting of annular groove considerably increases lubrication model compared to lubrication hole
It encloses, improves lubricating efficiency, the effect of long axle journal and short axle neck top bearing shell installation place.
Further, oil outlet is equipped between lubricating place and oil road.By the setting of oil outlet realize lubricating place with
Connection between oil road facilitates processing.
Further, spring is equipped between clump weight and rod journal.The restoring force to clump weight is realized by setting spring,
It avoids clump weight from skidding off sliding channel and damages the components such as the connecting rod at connection axle journal.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Specific embodiment
Below by the further details of explanation of specific embodiment:
Appended drawing reference in Figure of description include: rod journal 1, go out bunker 2, piston plate 3, clump weight 4, spring 5, into
Oil duct 6, oil road 7, annular groove 8, right balance weight 9, in line check valve 10.
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment is substantially as shown in Fig. 1:
Logical machine crankshaft structure, including setting gradually fixed long axle journal, left balance weight, rod journal 1, right balance along axial direction
Block 9 and short axle neck are integrally formed between long axle journal and left balance weight, between right balance weight 9 and short axle neck.By one at
Type is convenient and efficient to realize logical machine crankshaft component processing production.Long axle journal, left balance weight, rod journal 1, right balance weight 9 and short axle
Neck is Nodular cast iron material, spheroidal graphite cast-iron intensity with higher, plasticity, toughness, wearability, resistance to serious heat and machinery
Impact, high temperature resistant or low temperature, corrosion-resistant and dimensional stability etc., meet crankshaft working condition requirement, wherein rod journal 1 and Zuo Ping
By being welded and fixed between weighing apparatus block, right balance weight 9, facilitate processing quality, the efficiency for realizing each section.
Long axle journal and short axle neck are equipped with the bearing shell being fixed on the body of logical machine, and long axle journal, section axle journal are logical for being fixed on
There is provided stable support on machine body for crank rotation, crankshaft should have a static balance and dynamically balanced, balance weight be exactly adjust it is quiet
Specific way is balanced, the purpose of balance is to reduce the postrotational Oscillation Amplitude of crankshaft high-speed and frequency；Crankshaft is not uniform portion
Part, when high revolving speed, can generate very big vibration, and vibration influences the service life of axis, while mechanical precision is extremely difficult to, it is necessary to do and put down
Weighing apparatus makes crankshaft reach optimum state；The setting of bearing shell can then greatly reduce the friction of installation place, abrasion, improve service life, long
Axle journal and short axle neck are equipped with the lubricating place for bearing shell lubrication.
The utility model further includes lubrication unit, and lubrication unit includes the oil input channel 6 being located in one of on balance weight, position
Moisten in the oil road 7 for going out bunker 2 and being connected to out bunker 2 Yu lubricating place in rod journal 1, the utility model embodiment
Sliding space is annular groove 8, and the setting of annular groove 8 considerably increases lube range compared to lubrication hole, improves long axle journal
With lubricating efficiency, the effect of short axle neck top bearing shell installation place, oil outlet is equipped between annular groove 8 and oil road 7.By fuel-displaced
The connection between annular groove 8 and oil road 7 is realized in the setting in hole, facilitates processing.Between oil input channel 6 and out bunker 2 be equipped with into
Oily check valve 10 is equipped with oil outlet one-way valve out between bunker 2 and oil road 7, bunker 2 is equipped with and extends to outside rod journal 1 out
Sliding channel, sliding is equipped with piston plate 3, the clump weight 4 fixed with piston plate 3, clump weight 4 and rod journal in sliding channel
Spring 5 is equipped between 1.It is realized by setting spring 5 to the restoring force of clump weight 4, clump weight 4 is avoided to skid off sliding channel and damage
The components such as the connecting rod at wound connection axle journal；Wherein oil input channel 6 provides oil inlet passage for lubrication unit, convenient for extraneous lubricating oil into
Enter into crankshaft, piston plate 3 moves along sliding channel, and the oil pressure that can be used in bunker 2 increases, and leads to the lubrication in bunker 2 out
Oil enters in oil road 7 by oil outlet one-way valve, and then in arrival lubricating place, reach lubrication purpose, and clump weight 4 is set
It sets, can be moved back and forth during crank rotation along sliding channel, and then the reciprocating movement for piston plate 3 provides power.
When clump weight 4 is with Crankshaft motion to track minimum point, clump weight 4 is outside under the action of gravity and centrifugal force
Centrifugal movement is done, and then drives piston plate 3 to move meeting outside sliding channel so that the oil pressure reduction in bunker 2 out, leads to oil input channel 6
In lubricating oil entered out in bunker 2 by line check valve 10；When clump weight 4 is with Crankshaft motion to track highest point,
Clump weight 4 inwardly does centripetal movement under the action of overcoming centrifugal force under the effect of gravity, and piston plate 3 moves along sliding channel then can
The oil pressure used in bunker 2 increases, and causes the lubricating oil in bunker 2 out to enter in oil road 7 by oil outlet one-way valve, in turn
It reaches in lubricating place, reaches lubrication purpose, lubrication unit can be transported using the centrifugation of the clump weight 4 during crank rotation
The variation of dynamic, centripetal movement realizes that clump weight drives piston plate 3 to move back and forth, and then realizes out that the oil suction of bunker 2, oil extraction are dynamic
Make, to convert existing active lubrication oil circulation mode, not only for the lubricating oil diffusion way of traditional passive type
Lubricating efficiency is improved, and avoids the problem of lubricating oil is on the way lost, improves lubricant effect.
Above-described is only the embodiments of the present invention, and the common sense such as well known specific structure and characteristic are herein in scheme
It does not describe excessively, the affiliated technology neck of utility model before one skilled in the art know the applying date or priority date
All ordinary technical knowledges in domain can know the prior art all in the field, and have using normal before the date
The ability of laboratory facilities is advised, one skilled in the art can be complete in conjunction with self-ability under the enlightenment that the application provides
It is apt to and implements this programme, it is real that some typical known features or known method should not become one skilled in the art
Apply the obstacle of the application.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure
Under, several modifications and improvements can also be made, these also should be considered as the protection scope of the utility model, these all will not influence
The effect and patent practicability that the utility model is implemented.This application claims protection scope should be with the content of its claim
Subject to, the records such as specific embodiment in specification can be used for explaining the content of claim.
Claims (5)
1. logical machine crankshaft structure, including setting gradually fixed long axle journal, left balance weight, rod journal, right balance weight along axial direction
With short axle neck, long axle journal and short axle neck are equipped with the bearing shell being fixed on the body of logical machine, and long axle journal and short axle neck, which are equipped with, to be used for
The lubricating place of bearing shell lubrication, it is characterised in that: further include lubrication unit, lubrication unit includes being located in one of on balance weight
Oil input channel, going out bunker and be connected to out the oil road of bunker and lubricating place in rod journal, oil input channel with it is fuel-displaced
It is equipped in line check valve between storehouse, is equipped with oil outlet one-way valve between bunker and oil road out, bunker is equipped with and extends to connecting rod out
Sliding channel outside axle journal, the interior sliding of sliding channel are equipped with piston plate, the clump weight fixed with piston plate.
2. logical machine crankshaft structure according to claim 1, it is characterised in that: between long axle journal and left balance weight, right balance
It is integrally formed between block and short axle neck.
3. logical machine crankshaft structure according to claim 1, it is characterised in that: the lubricating place is annular groove.
4. logical machine crankshaft structure according to claim 1 or 3, it is characterised in that: be equipped between lubricating place and oil road
Oil outlet.
5. logical machine crankshaft structure according to claim 1, it is characterised in that: be equipped with bullet between clump weight and rod journal
Spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821215211.7U CN208749798U (en) | 2018-07-28 | 2018-07-28 | Logical machine crankshaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821215211.7U CN208749798U (en) | 2018-07-28 | 2018-07-28 | Logical machine crankshaft structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208749798U true CN208749798U (en) | 2019-04-16 |
Family
ID=66059216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821215211.7U Expired - Fee Related CN208749798U (en) | 2018-07-28 | 2018-07-28 | Logical machine crankshaft structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208749798U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718838A (en) * | 2022-02-22 | 2022-07-08 | 安徽中麦亚机电科技有限公司 | Reciprocating motion refrigerating compressor crankshaft capable of achieving inertial balance and balancing method thereof |
| US20240141600A1 (en) * | 2021-05-26 | 2024-05-02 | Mikasa Sangyo Co., Ltd. | Breather for vibration generating device |
-
2018
- 2018-07-28 CN CN201821215211.7U patent/CN208749798U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240141600A1 (en) * | 2021-05-26 | 2024-05-02 | Mikasa Sangyo Co., Ltd. | Breather for vibration generating device |
| US12037754B2 (en) * | 2021-05-26 | 2024-07-16 | Mikasa Sangyo Co., Ltd. | Breather for vibration generating device |
| CN114718838A (en) * | 2022-02-22 | 2022-07-08 | 安徽中麦亚机电科技有限公司 | Reciprocating motion refrigerating compressor crankshaft capable of achieving inertial balance and balancing method thereof |
| CN114718838B (en) * | 2022-02-22 | 2024-05-24 | 安徽中麦亚机电科技有限公司 | Reciprocating inertial balance type refrigeration compressor crankshaft and balancing method thereof |
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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: 20190416 Termination date: 20200728 |