CN110259665A - A kind of high temperature resistant type compressor crankshaft - Google Patents
A kind of high temperature resistant type compressor crankshaft Download PDFInfo
- Publication number
- CN110259665A CN110259665A CN201910709058.6A CN201910709058A CN110259665A CN 110259665 A CN110259665 A CN 110259665A CN 201910709058 A CN201910709058 A CN 201910709058A CN 110259665 A CN110259665 A CN 110259665A
- Authority
- CN
- China
- Prior art keywords
- clump weight
- main shaft
- chip space
- high temperature
- temperature resistant
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0094—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 crankshaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
- F04B39/066—Cooling by ventilation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Compressor (AREA)
Abstract
The invention discloses a kind of high temperature resistant type compressor crankshafts, including clump weight, one end face of clump weight is fixed with rod journal, described rod journal one end is fixed with input terminal, the clump weight outer surface is provided with air intake vent and wind scooper, and the wind scooper is an integral molding structure with clump weight, and the air intake vent extends through clump weight outer surface and to clump weight inside, the air intake vent is located at the lower section of wind scooper, is provided with blowhole on the inside of the clump weight；By being provided with wind scooper, air intake vent, blowhole and heat bulge, avoid frictional heat during driving motion of main shaft by connecting rod, it is transmitted to clump weight, entire crankshaft is caused easily to generate heat, the fatigue strength of product is influenced, by being provided with the first chip space, the second chip space and contact projection, the little particle convenient for the generation that rubs between bearing shell and main shaft is discharged, it avoids the increase of particulate matter that the abrasion to main shaft is caused to increase, influences the service life of main shaft.
Description
Technical field
The invention belongs to compressor crankshaft technical fields, and in particular to a kind of high temperature resistant type compressor crankshaft.
Background technique
Crankshaft is the important component to rotate in compressor, it leads to rotary motion with motor direct-connected or belt transmission
Crossing connecting rod becomes moving back and forth, and bears alternating bending stress and distorting stress, during the motion crankshaft can be generated because of friction compared with
Big temperature, crankshaft generally use intensity height, heat-resisting material to be made.Existing compressor with crankshaft when in use, crankshaft with
Connecting rod multi-pass is crossed bearing shell and is attached, and friction can be generated between bearing shell and crankshaft, and frictional heat generation easily leads to crankcase temperature raising,
Existing crankshaft does not have good radiator structure, easily leads to crankshaft fever, and fatigue strength increases, and high-temperature resistant result reduces, and is not easy to
In addition permanent use can generate molecule because of abrasion between crankshaft and bearing shell, particulate matter cannot be well from crankshaft and axis
It is discharged between watt, easily understands unstable wear, influence the using effect of crankshaft, thus it is proposed that a kind of high temperature resistant type compressor is bent
Axis.
Summary of the invention
The purpose of the present invention is to provide a kind of high temperature resistant type compressor crankshafts, to solve to propose in above-mentioned background technique
Existing compressor when in use with crankshaft, cross bearing shell with connecting rod multi-pass and be attached by crankshaft, can produce between bearing shell and crankshaft
Raw friction, frictional heat generation easily lead to crankcase temperature raising, and existing crankshaft does not have good radiator structure, easily lead to crankshaft hair
Heat, fatigue strength increase, and high-temperature resistant result reduces, and are not easy to permanent use, in addition can generate because of abrasion between crankshaft and bearing shell
Molecule, particulate matter cannot be discharged between crankshaft and bearing shell well, easily understand unstable wear, influence the using effect of crankshaft
The problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of high temperature resistant type compressor crankshaft, including match
Pouring weight, one end face of clump weight are fixed with rod journal, and described rod journal one end is fixed with input terminal, outside the clump weight
Surface is provided with air intake vent and wind scooper, and the wind scooper is an integral molding structure with clump weight, and the air intake vent runs through counterweight
Block outer surface simultaneously extends to clump weight inside, and the air intake vent is located at the lower section of wind scooper, is provided with and blows on the inside of the clump weight
Air holes, the both ends of the blowhole run through two lateral wall of clump weight, are fixed with heat bulge on the inside of the blowhole, described to match
Pouring weight other end is fixed with main shaft, and the main shaft lateral wall offers abrasion-proof mechanism, and described main shaft one end is fixed with crank
Block, one side surface of crank block are fixed with trunnion, and described trunnion one end is fixed with output axle journal, the output axle journal side
Surface is fixed with output rod.
Preferably, the abrasion-proof mechanism includes the first chip space, the second chip space and contact projection, the main shaft it is outer
Side offers the first chip space, and second chip space is opened in the outer surface at main shaft both ends, first chip space and second
It is interconnected inside chip space, crank block side surface is integrally formed with contact projection.
Preferably, first chip space is arc-shaped to the depth extended on the inside of main shaft, and is located in the middle part of the main shaft the
The depth of one chip space is less than 1 millimeter of depth positioned at the first chip space of main shaft both ends.
Preferably, the contact projection is annular, and one end face of the contact projection is arc.
Preferably, the lower end of the air intake vent is connected to the inside of blowhole, and the blowhole is " V " font.
Preferably, the heat bulge is rectangle, and the heat bulge is provided with 16.
Preferably, Air Filter is provided on the inside of described wind scooper one end, the Air Filter and wind scooper are integral type knot
Structure.
Compared with prior art, the beneficial effects of the present invention are:
(1) by being provided with wind scooper, air intake vent, blowhole and heat bulge, convenient for making natural wind preferably to counterweight
It flows on the inside of block, to cooling down on the inside of clump weight, avoids frictional heat during through connecting rod drive motion of main shaft, to matching
Pouring weight transmitting, causes entire crankshaft easily to generate heat, influences the fatigue strength of product, cause product service life low, convenient for improving cooling
Effect preferably reduces damage of the friction high temperature to product.
(2) by being provided with the first chip space, the second chip space and contact projection, convenient for driving main shaft fortune by connecting rod
The little particle of generation of rubbing in dynamic process, between bearing shell and main shaft is discharged, and the increase of particulate matter is avoided to cause to main shaft
Abrasion increase, influence the service life of main shaft, at the same reduce bearing shell deflect contacted with crank block side surface when, reduce
With crank block contact area, frictional force is reduced.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is schematic cross-sectional view at the A of Fig. 1 of the invention；
Fig. 3 is schematic cross-sectional view at the B of Fig. 1 of the invention；
In figure: 1, output rod；2, axle journal is exported；3, trunnion；4, the first chip space；5, the second chip space；6, input terminal；
7, rod journal；8, clump weight；9, Air Filter；10, wind scooper；11, main shaft；12, crank block；13, blowhole；14, it radiates convex
It rises；15, air intake vent；16, contact projection.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-Fig. 3 is please referred to, the present invention provides a kind of technical solution: a kind of high temperature resistant type compressor crankshaft, including match
Pouring weight 8,8 one end face of clump weight are fixed with rod journal 7, and 7 one end of rod journal is fixed with input terminal 6, and 8 outer surface of clump weight is set
It is equipped with air intake vent 15 and wind scooper 10, convenient for natural wind preferably to flowing on the inside of clump weight 8, wind scooper 10 is with clump weight 8
Integrated formed structure, for air intake vent 15 through 8 outer surface of clump weight and to extending on the inside of clump weight 8, air intake vent 15 is located at wind scooper
Better air cooling effect is convenient in 10 lower section, and blowhole 13 is provided on the inside of clump weight 8, and counterweight is run through at the both ends of blowhole 13
8 liang of lateral walls of block take away heat convenient for the outflow of natural wind, and the inside of blowhole 13 is fixed with heat bulge 14, convenient for more preferable
Contact effect with natural wind, 8 other end of clump weight is fixed with main shaft 11, and 11 lateral wall of main shaft offers abrasion-proof mechanism,
11 one end of main shaft is fixed with crank block 12, and 12 1 side surface of crank block is fixed with trunnion 3, and 3 one end of trunnion is fixed with output
Axle journal 2, output 2 side surface of axle journal are fixed with output rod 1.
In the present embodiment, it is preferred that abrasion-proof mechanism includes the first chip space 4, the second chip space 5 and contact projection 16,
The outside of main shaft 11 offers the first chip space 4, and the second chip space 5 is opened in the outer surface at 11 both ends of main shaft, convenient for friction
The molecule generated in the process is discharged, and is interconnected inside the first chip space 4 and the second chip space 5,12 side of crank block
Surface is integrally formed with contact projection 16, when connecting convenient for reducing connecting rod with main shaft 11, bearing shell both ends of the surface and 12 side of crank block
Abrasion between surface.
In the present embodiment, it is preferred that the first chip space 4 is arc-shaped to the depth extended on the inside of main shaft 11, and is located at main shaft
The depth of 11 the first chip spaces 4 of middle part is less than 1 millimeter of depth positioned at 11 the first chip space of both ends 4 of main shaft, convenient in main shaft 11
Abrasion two end motions of the molecule to main shaft 11 in portion.
In the present embodiment, it is preferred that contact projection 16 is annular, and 16 1 end face of contact projection is arc, convenient for reducing
The contact area of bearing shell and crank block 12.
In the present embodiment, it is preferred that the lower end of air intake vent 15 is connected to the inside of blowhole 13, and blowhole 13 is " V " word
Type, convenient for being preferably blowed to the two sidewalls of clump weight 8.
In the present embodiment, it is preferred that heat bulge 14 is rectangle, and heat bulge 14 is provided with 16, is convenient for nature
Wind inside clump weight 8 preferably to cooling down.
In the present embodiment, it is preferred that be provided with Air Filter 9 on the inside of 10 one end of wind scooper, Air Filter 9 is with wind scooper 10
Integral structure, convenient for being filtered to the natural wind of inflow.
The working principle of the invention and process for using: when in use, the connecting rod of compressor piston drives 11 turns of main shaft
Dynamic, main shaft 11 drives clump weight 8 to be rotated, and clump weight 8 in the course of rotation, introduces natural wind by wind scooper 10
The inside of air intake vent 15 is flowed into, natural wind is moved after reaching 15 bottom end of air intake vent to two sides blowhole 13, in blowhole 13
It is contacted during medial motion with heat bulge 14, convenient for improving the contact area inside natural wind and clump weight 8, Jin Erti
Height is to the cooling effect inside clump weight 8, convenient for cooling, during connecting rod drives main shaft 11 to move by bearing shell, axis
Abrasion watt between main shaft 11 can generate small particle, the first at this moment deeper by both ends chip space 4, convenient for making little particle
Object enters the inside of the first chip space 4 and to two end motion, eventually enters into the inside of the second chip space 5, passes through the second chip space 5
Particulate matter is discharged, reduces between particulate matter long-term existence bearing shell and main shaft 11, roughness is caused to increase, abrasion aggravation,
When the end face and 12 surface of crank block of bearing shell contact simultaneously, by contact projection 16, convenient for reducing bearing shell end face and crank block 12
Between contact surface area, reduce abrasion.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of high temperature resistant type compressor crankshaft, including clump weight (8), it is characterised in that: (8) one end face of clump weight is solid
Surely have rod journal (7), described rod journal (7) one end is fixed with input terminal (6), and clump weight (8) outer surface is provided with
Air intake vent (15) and wind scooper (10), the wind scooper (10) are an integral molding structure with clump weight (8), the air intake vent (15)
Through clump weight (8) outer surface and to extension on the inside of clump weight (8), the air intake vent (15) is located at the lower section of wind scooper (10),
It being provided with blowhole (13) on the inside of the clump weight (8), (8) two lateral wall of clump weight is run through at the both ends of the blowhole (13),
It is fixed with heat bulge (14) on the inside of the blowhole (13), clump weight (8) other end is fixed with main shaft (11), institute
It states main shaft (11) lateral wall and offers abrasion-proof mechanism, described main shaft (11) one end is fixed with crank block (12), the crank block
(12) one side surfaces are fixed with trunnion (3), and described trunnion (3) one end is fixed with output axle journal (2), the output axle journal
(2) side surface is fixed with output rod (1).
2. a kind of high temperature resistant type compressor crankshaft according to claim 1, it is characterised in that: the abrasion-proof mechanism packet
The first chip space (4), the second chip space (5) and contact projection (16) are included, offers the first chip removal on the outside of the main shaft (11)
Slot (4), second chip space (5) are opened in the outer surface at main shaft (11) both ends, first chip space (4) and the second chip removal
It is interconnected inside slot (5), crank block (12) side surface is integrally formed with contact projection (16).
3. a kind of high temperature resistant type compressor crankshaft according to claim 2, it is characterised in that: first chip space
(4) arc-shaped to the depth of extension on the inside of main shaft (11), and the depth for being located at the first chip space (4) in the middle part of the main shaft (11) is small
In being located at 1 millimeter of depth of main shaft (11) the first chip space of both ends (4).
4. a kind of high temperature resistant type compressor crankshaft according to claim 3, it is characterised in that: the contact projection (16)
For annular, and (16) one end face of the contact projection is arc.
5. a kind of high temperature resistant type compressor crankshaft according to claim 1, it is characterised in that: the air intake vent (15)
Lower end is connected to the inside of blowhole (13), and the blowhole (13) is " V " font.
6. a kind of high temperature resistant type compressor crankshaft according to claim 5, it is characterised in that: the heat bulge (14)
For rectangle, the heat bulge (14) is provided with 16.
7. a kind of high temperature resistant type compressor crankshaft according to claim 1, it is characterised in that: the wind scooper (10) one
It is provided on the inside of end Air Filter (9), the Air Filter (9) is an integral structure with wind scooper (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910709058.6A CN110259665A (en) | 2019-08-01 | 2019-08-01 | A kind of high temperature resistant type compressor crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910709058.6A CN110259665A (en) | 2019-08-01 | 2019-08-01 | A kind of high temperature resistant type compressor crankshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110259665A true CN110259665A (en) | 2019-09-20 |
Family
ID=67912666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910709058.6A Withdrawn CN110259665A (en) | 2019-08-01 | 2019-08-01 | A kind of high temperature resistant type compressor crankshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110259665A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043145A (en) * | 2019-12-26 | 2020-04-21 | 黄石正达工贸有限公司 | Crankshaft for compressor |
| CN111911386A (en) * | 2020-08-12 | 2020-11-10 | 安徽高坚机械科技有限公司 | Crank-connecting rod mechanism for refrigeration compressor and working method thereof |
-
2019
- 2019-08-01 CN CN201910709058.6A patent/CN110259665A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043145A (en) * | 2019-12-26 | 2020-04-21 | 黄石正达工贸有限公司 | Crankshaft for compressor |
| CN111043145B (en) * | 2019-12-26 | 2021-06-15 | 黄石正达工贸有限公司 | Crankshaft for compressor |
| CN111911386A (en) * | 2020-08-12 | 2020-11-10 | 安徽高坚机械科技有限公司 | Crank-connecting rod mechanism for refrigeration compressor and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190920 |
|
| WW01 | Invention patent application withdrawn after publication |