CN207999343U - A kind of crankshaft rod structure - Google Patents
A kind of crankshaft rod structure Download PDFInfo
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- CN207999343U CN207999343U CN201820492328.3U CN201820492328U CN207999343U CN 207999343 U CN207999343 U CN 207999343U CN 201820492328 U CN201820492328 U CN 201820492328U CN 207999343 U CN207999343 U CN 207999343U
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- connecting rod
- rod
- oil
- eccentric shaft
- crankshaft
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Abstract
The utility model is related to compressor transmission fields, specifically, it is related to a kind of crankshaft rod structure, including long axis, one end of long axis is fixed with equalizing feature, equalizing feature on the opposite face in long axis one end far from being fixed with eccentric shaft, excentric sleeve connective pole, the connecting rod includes big end, small end of connecting rod, the body of rod, the body of rod is provided at both ends with checknut, big end is threadedly coupled with the small end of connecting rod by the body of rod, the bearing A is fixed on inside the big end, bearing A in the big end is socketed the eccentric shaft, by increasing ball bearing on big end and small end of connecting rod, the friction of connecting rod and eccentric shaft is changed into rolling friction, reduce the friction between big end and eccentric shaft;It is threadedly coupled by the body of rod with checknut between big end and small end of connecting rod, the distance between big end and small end of connecting rod can be adjusted, improve the versatility of connecting rod, reduce the R&D cycle.
Description
Technical field
The utility model is related to compressor transmission fields, in particular to a kind of crankshaft rod structure.
Background technology
The reliability of compressor is compressor using the major issue faced, good and bad, the direct pass of compressor reliability
It is the service life to refrigerator, in the operation course of work of compressor, as the important part for completing refrigerative circle system, even
The reliability of bar and eccentric shaft is particularly important, and connecting rod and eccentric shaft wear excessively serious, entire compression during the work time
Machine function may fail, and connecting rod and eccentric shaft are needed with properties such as high intensity, high abrasion, high-temperature resistants.
Crankshaft rod structure inside current compressor is mostly standard component, unified specification, unified structure, different model
Long axis, equalizing feature, connecting rod on compressor cannot be general, and the length of the connecting rod of different sizes of compressor is also different, compressor
After breaking down, since the model of connecting rod is fixed, length cannot change, and general shape is small, often be scrapped together with compressor.
Utility model content
The purpose of this utility model is to provide a kind of crankshaft rod structures, by increasing on big end and small end of connecting rod
Add ball bearing, the friction of connecting rod and eccentric shaft is changed into rolling friction, reduces the friction between big end and eccentric shaft;
It is threadedly coupled by the body of rod with checknut between big end and small end of connecting rod, big end can be adjusted and connecting rod is small
The distance between head improves the versatility of connecting rod, reduces the R&D cycle, improves production efficiency, saves material, improves cost.
What the embodiments of the present invention were realized in:
A kind of crankshaft rod structure, including long axis, long axis are main transmission shaft, and one end of the long axis is fixed with balance portion
Part, for the equalizing feature far from eccentric shaft is fixed on the opposite face in long axis one end, long axis, equalizing feature, eccentric shaft composition are bent
Axis, the excentric sleeve connective pole, the connecting rod include big end, small end of connecting rod, the body of rod, are arranged inside the big end
There are eccentric shaft A, the body of rod to be provided at both ends with checknut, the big end passes through body of rod screw thread with the small end of connecting rod
It connects, the bearing A in the big end is socketed the eccentric shaft.
Long axis is main transmission shaft, and one end of the long axis is fixed with equalizing feature, and the equalizing feature is far from long axis one
It holds and is fixed with eccentric shaft on opposite face, long axis, equalizing feature, eccentric shaft form bent axle, by small in big end and connecting rod
Increase ball bearing on head, the friction of connecting rod and eccentric shaft is changed into rolling friction, is reduced between big end and eccentric shaft
Friction;It is threadedly coupled by the body of rod with checknut between big end and small end of connecting rod, loosens screw thread and be effectively ensured
Bonding strength between big end and small end of connecting rod adjusts the distance between big end and small end of connecting rod, improves connecting rod
Versatility reduces the R&D cycle, improves production efficiency, saves material, improves cost.
In the utility model preferred embodiment, above-mentioned connecting rod further includes bearing B, and it is small that the bearing B is fixed on connecting rod
Head is internal.
In order to reduce the abrasion of connecting rod, it is fixed with bearing B in the inside of small end of connecting rod, the friction that small end of connecting rod is subject to is changed
For rolling friction.
In the utility model preferred embodiment, above-mentioned long axis is towards being provided with oil on one end of the equalizing feature
Slot.
When long axis rotates, oil is moved along oil groove towards equalizing feature under the influence of centrifugal force, and oil groove has oil storage
Effect, the oil in oil groove have certain lubricating action, in the crankshaft-link rod course of work, will produce molecule, oil groove is convenient
Friction is generated into taking away for particle, the oil in oil groove also has heat sinking function, reduces the heat put aside in crankshaft-link rod work.
In the utility model preferred embodiment, above-mentioned oil groove is helical structure.
The steering of the oil groove and long axis of helical structure is adapted, and accelerates the oil stream in oil groove logical.Prevent the oil in oil groove from flying
It splashes.
In the utility model preferred embodiment, six oil-through-holes are provided on above-mentioned eccentric shaft.
Six oil-through-holes facilitate the diffusion of oil, and there are four oilhole, top and bottom point for the setting of the central angles such as side of eccentric shaft
She Zhi not be there are one oilhole, after big end is socketed eccentric shaft, oilhole is a part of exposed, in the crankshaft-link rod course of work, oil
Each position of crankshaft-link rod is flowed quickly through by six oil-through-holes.
In the utility model preferred embodiment, above-mentioned equalizing feature is internally provided with oil duct.
Oil duct is arranged in the inside of equalizing feature, and six oil-through-holes are connected to by oil duct with oil groove.
In the utility model preferred embodiment, above-mentioned oil duct one end is connected to six oil-through-hole, the oil duct
The other end is connected to the oil groove.
In the utility model preferred embodiment, above-mentioned bearing A is ball bearing.
Ball bearing has been carried out standardization, and seriation, generalization, easy maintenance, ball bearing has higher
Mechanical performance, service life is long, and roller bearing gap is small, high precision machining, and eccentric shaft and connecting rod can be effectively ensured
Transmission accuracy.
In the utility model preferred embodiment, above-mentioned bearing B is ball bearing.
Ball bearing transmission efficiency, fever is small, can effectively reduce the lubrication oil consumption inside compressor.
In the utility model preferred embodiment, the checknut direction at above-mentioned body of rod both ends is opposite.
The hand of spiral of the checknut at body of rod both ends on the contrary, in the connecting rod course of work, be further ensured that connection major part and
Connect the stability between microcephaly.
The advantageous effect of the utility model embodiment is:
One end of a kind of crankshaft rod structure, including long axis, long axis is fixed with equalizing feature, and equalizing feature is far from long axis one
It holds and is fixed with eccentric shaft on opposite face, excentric sleeve connective pole, connecting rod includes big end, small end of connecting rod, the body of rod, the body of rod
It is provided at both ends with checknut, big end is threadedly coupled with small end of connecting rod by the body of rod, and bearing A is fixed in big end
Portion, the bearing A in big end are socketed eccentric shaft, and long axis is main transmission shaft, and one end of the long axis is fixed with equalizing feature,
The equalizing feature forms bent axle far from eccentric shaft, long axis, equalizing feature, eccentric shaft is fixed on the opposite face in long axis one end,
By increasing ball bearing on big end and small end of connecting rod, the friction of connecting rod and eccentric shaft is changed into rolling friction, is dropped
Friction between low big end and eccentric shaft;Pass through the body of rod screw thread with checknut between big end and small end of connecting rod
The bonding strength that screw thread is effectively ensured between big end and small end of connecting rod is loosened in connection, adjusts big end and small end of connecting rod
The distance between, the versatility of connecting rod is improved, the R&D cycle is reduced, improves production efficiency, saves material, improves cost.
Oil groove has oil storage effect, and the oil in oil groove in the crankshaft-link rod course of work, can be produced with certain lubricating action
Raw molecule, oil groove facilitates generates taking away for particle by friction, and the oil in oil groove also has heat sinking function, reduces crankshaft-link rod
The heat put aside in work.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the exploded perspective structural schematic diagram of the crankshaft rod structure of the utility model embodiment 1;
Fig. 2 is the crankshaft rod structure overlooking structure diagram of the utility model embodiment 1;
Fig. 3 is the crankshaft rod structure finishing bathtray and six oil-through-hole attachment structure schematic diagrams of the utility model embodiment 1;
Fig. 4 is the crankshaft rod structure rear structure schematic diagram of the utility model embodiment 1;
Fig. 5 is the crankshaft rod structure rear structure schematic diagram of the utility model embodiment 1.
Icon:120- long axis;130- oil grooves;Six oil-through-holes of 140-;150- equalizing features;160- eccentric shafts;
170- bearings A;180- bearings B;190- big ends;210- smalls end of connecting rod;The 220- bodies of rod.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all
Belong to the range of the utility model protection.
It should be noted that:Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
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" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, do not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" refers to only that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected;It can be mechanical connection, can also be electrical connection;It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
First embodiment
Fig. 1 attached, Fig. 2, attached drawing 3, attached drawing 4, attached drawing 5 are please referred to, the present embodiment provides a kind of crankshaft rod structures, including length
Axis 120, long axis 120 are main transmission shaft, and one end of long axis 120 is fixed with equalizing feature 150, and equalizing feature 150 is far from long axis
Eccentric shaft 160 is fixed on the opposite face in 120 one end, long axis 120, equalizing feature 150, eccentric shaft 160 form bent axle, eccentric shaft
160 sets of connective poles, connecting rod include big end 190, small end of connecting rod 210, the body of rod 220, and the body of rod 220 is provided at both ends with locking spiral shell
Line, big end 190 are threadedly coupled with small end of connecting rod 210 by the body of rod 220, and bearing A170 is fixed on inside big end 190,
Bearing A170 in big end 190 is socketed eccentric shaft 160.
Crankshaft rod structure principle is:Long axis 120 is main transmission shaft, and one end of long axis 120 is fixed with equalizing feature
150, equalizing feature 150 far from being fixed with eccentric shaft 160 on the opposite face in 120 one end of long axis, long axis 120, equalizing feature 150,
Eccentric shaft 160 forms bent axle, by increasing ball bearing on big end 190 and small end of connecting rod 210, by connecting rod and eccentric shaft
160 friction is changed into rolling friction, reduces the friction between big end 190 and eccentric shaft 160;Big end 190 and company
It is threadedly coupled by the body of rod 220 with checknut between bar microcephaly 210, loosens screw thread and 190 He of big end is effectively ensured
Bonding strength between small end of connecting rod 210 adjusts the distance between big end 190 and small end of connecting rod 210, improves the logical of connecting rod
With property, the R&D cycle is reduced, improves production efficiency, saves material, improves cost.
Further, refer to the attached drawing 1, attached drawing 3, attached drawing 5, connecting rod further include bearing B180, and bearing B180 is fixed on connecting rod
Inside microcephaly 210, in order to reduce the abrasion of connecting rod, it is fixed with bearing B180 in the inside of small end of connecting rod 210, by small end of connecting rod
210 frictions being subject to are changed into rolling friction.
Please refer to attached drawing 1, attached drawing 3, attached drawing 4, attached drawing 5, long axis 120 is towards being provided with oil on one end of equalizing feature 150
Slot 130.
Structural principle:When long axis 120 rotates, oil groove 130 has oil storage effect, and the oil in oil groove 130 has certain
Lubricating action, in the crankshaft-link rod course of work, will produce molecule, oil groove 130 facilitates generates taking away for particle by friction,
Oil in oil groove 130 also has heat sinking function, reduces the heat put aside in crankshaft-link rod work.
Attached drawing 1, attached drawing 3, attached drawing 4, attached drawing 5 are please referred to, oil groove 130 is helical structure, oil groove 130 and the length of helical structure
The steering of axis 120 is adapted, and accelerates the oil stream in oil groove 130 logical.Prevent the oil in oil groove 130 from splashing.
Attached drawing 1, attached drawing 3, attached drawing 4, attached drawing 5 are please referred to, six oil-through-holes 140 are provided on eccentric shaft 160.
Structural principle:Six oil-through-holes 140 facilitate the diffusion of oil, and there are four oil for the setting of the central angles such as side of eccentric shaft 160
Hole, top and bottom are respectively set there are one oilhole, and after big end 190 is socketed eccentric shaft 160, oilhole is a part of exposed,
In the crankshaft-link rod course of work, oil flows quickly through each position of crankshaft-link rod by six oil-through-holes 140.
Further, equalizing feature 150 is internally provided with oil duct, and oil duct is arranged logical in the inside of equalizing feature 150, six
Oilhole 140 is connected to by oil duct with oil groove 130, and oil duct one end is connected to six oil-through-holes 140, the other end and the oil groove 130 of oil duct
Connection.
Further, bearing A170 is ball bearing, and ball bearing has been carried out standardization, seriation, and generalization uses
Easy to maintenance, ball bearing has higher mechanical performance, and service life is long, and ball bearing gap is small, high precision machining,
The transmission accuracy of eccentric shaft 160 and connecting rod can be effectively ensured;Bearing B180 be ball bearing, ball bearing transmission efficiency,
It generates heat small, the lubrication oil consumption inside compressor can be effectively reduced.
Further, 220 both ends of the body of rod checknut direction on the contrary, the checknut at 220 both ends of the body of rod spiral side
To on the contrary, in the connecting rod course of work, it is further ensured that connection major part and connects the stability between microcephaly.
This programme records a kind of crankshaft rod structure, including long axis 120, one end of long axis 120 are fixed with equalizing feature
150, equalizing feature 150 connects far from eccentric shaft 160,160 sets of connective poles of eccentric shaft are fixed on the opposite face in 120 one end of long axis
Bar packet big end 190, small end of connecting rod 210, the body of rod 220, the body of rod 220 are provided at both ends with checknut, big end 190 with
Small end of connecting rod 210 is threadedly coupled by the body of rod 220, and bearing A170 is fixed on inside big end 190, in big end 190
Bearing A170 is socketed eccentric shaft 160, and long axis 120 is main transmission shaft, and one end of the long axis 120 is fixed with equalizing feature 150,
The equalizing feature 150 far from being fixed with eccentric shaft 160 on the opposite face in 120 one end of long axis, long axis 120, equalizing feature 150,
Eccentric shaft 160 forms bent axle, by increasing ball bearing on big end 190 and small end of connecting rod 210, by connecting rod and eccentric shaft
160 friction is changed into rolling friction, reduces the friction between big end 190 and eccentric shaft 160;Big end 190 and company
It is threadedly coupled by the body of rod 220 with checknut between bar microcephaly 210, loosens screw thread and 190 He of big end is effectively ensured
Bonding strength between small end of connecting rod 210 adjusts the distance between big end 190 and small end of connecting rod 210, improves the logical of connecting rod
With property, the R&D cycle is reduced, improves production efficiency, saves material, improves cost, oil groove 130 has oil storage effect, oil groove 130
Interior oil has certain lubricating action, in the crankshaft-link rod course of work, will produce molecule, oil groove 130, which facilitates, to rub
Taking away for particle is generated, the oil in oil groove 130 also has heat sinking function, reduces the heat put aside in crankshaft-link rod work.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of crankshaft rod structure, which is characterized in that including long axis, one end of the long axis is fixed with equalizing feature, described
Equalizing feature includes connecting far from eccentric shaft, the excentric sleeve connective pole, the connecting rod is fixed on the opposite face in long axis one end
Bar major part, small end of connecting rod, the body of rod, the big end are internally provided with eccentric shaft A, and the body of rod is provided at both ends with locking spiral shell
Line, the big end are threadedly coupled with the small end of connecting rod by the body of rod, and the bearing A sockets in the big end are described partially
Mandrel.
2. crankshaft rod structure according to claim 1, which is characterized in that the connecting rod further includes bearing B, the bearing
B is fixed on inside small end of connecting rod.
3. crankshaft rod structure according to claim 2, which is characterized in that the long axis towards the equalizing feature one
Oil groove is provided on end.
4. crankshaft rod structure according to claim 3, which is characterized in that the oil groove is helical structure.
5. crankshaft rod structure according to claim 3, which is characterized in that be provided with six oil-through-holes on the eccentric shaft.
6. crankshaft rod structure according to claim 5, which is characterized in that the equalizing feature is internally provided with oil
Road.
7. crankshaft rod structure according to claim 6, which is characterized in that described oil duct one end connects with six oil-through-hole
Logical, the other end of the oil duct is connected to the oil groove.
8. crankshaft rod structure according to claim 1, which is characterized in that the bearing A is ball bearing.
9. crankshaft rod structure according to claim 2, which is characterized in that the bearing B is ball bearing.
10. crankshaft rod structure according to claim 1, which is characterized in that the checknut direction at the body of rod both ends
On the contrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820492328.3U CN207999343U (en) | 2018-04-04 | 2018-04-04 | A kind of crankshaft rod structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820492328.3U CN207999343U (en) | 2018-04-04 | 2018-04-04 | A kind of crankshaft rod structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207999343U true CN207999343U (en) | 2018-10-23 |
Family
ID=63840302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820492328.3U Active CN207999343U (en) | 2018-04-04 | 2018-04-04 | A kind of crankshaft rod structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207999343U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111069679A (en) * | 2019-12-24 | 2020-04-28 | 浙江高盛钢结构有限公司 | Steel plate net punching and shearing machine |
-
2018
- 2018-04-04 CN CN201820492328.3U patent/CN207999343U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111069679A (en) * | 2019-12-24 | 2020-04-28 | 浙江高盛钢结构有限公司 | Steel plate net punching and shearing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210630 Address after: No.6, East Jinshan Avenue, Huangshi economic and Technological Development Zone, Huangshi City, Hubei Province Patentee after: Huangshi Dongbei Compressor Co.,Ltd. Address before: No.6, East Jinshan Avenue, Huangshi economic and Technological Development Zone, Huangshi City, Hubei Province Patentee before: Huangshi Dongbei Electrical Appliance Co.,Ltd. |
|
| TR01 | Transfer of patent right |