CN204755239U - A bent axle for refrigerator compressor - Google Patents
A bent axle for refrigerator compressor Download PDFInfo
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- CN204755239U CN204755239U CN201520188256.XU CN201520188256U CN204755239U CN 204755239 U CN204755239 U CN 204755239U CN 201520188256 U CN201520188256 U CN 201520188256U CN 204755239 U CN204755239 U CN 204755239U
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Abstract
The utility model relates to a bent axle in the refrigerator compressor, including main shaft and crank axle, main shaft and crank axle pass through crank connection, and the main shaft is including the root segment, runner section and the deferent segment that connect gradually, are connected through first step section between root segment and the runner section, and the diameter of root segment and the diameter ratio of runner section are 1.1 -1.3, and the outer wall of first step section is bevel shaped, be connected through second step section between runner section and the deferent segment, seted up the oiling cavity in the crank axle, the oiling cavity is including connecting gradually and the first entry cavity that link up, first linking cavity and main cavity room, set up the first oil filler point that link up with the main cavity room on the outer wall of crank axle, seted up first inlet port on the root segment, main cavity room and first inlet port say through the bridge circulation and link up, and the bridge circulation says and be the slope form, and the bridge circulation says and be 15 - 20 for the horizontal inclination of root segment, the utility model has the advantages of simple and reasonable structure, structural stability is strong, and structural strength is big, and lubricating oil transport efficiency is high.
Description
Technical field
The utility model relates to the technical field of freezer compressor, and more particularly, it relates to a kind of bent axle for freezer compressor in freezer compressor.
Background technique
Along with improving constantly of people's living standard, people are also increasing to the needs of refrigerator, especially in the summer of sweltering heat.Refrigerator is also along with its 26S Proteasome Structure and Function of needs of people is also in continuous renewal, and the new refrigerator of energy-conserving and environment-protective is also used by people widely.As everyone knows, freezer compressor is the important component part that refrigerator can run, and freezer compressor is rotated by motor driven crankshafts, and bent axle is drivening rod again, and then drives piston reciprocating in cylinder body, to realize the compression to refrigeration working medium.
The easy bending deflection of current bent axle structure in the middle of running, and connective stability between all parts on crank is poor, particularly main shaft be operationally subject to very heavy load load forces time, be easily out of shape fracture; Oiling chamber in bent axle and the lubricant oil transfer efficiency between the first oil inlet hole very low.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide simple and reasonable, and structure stability is strong, and structural strength is large, and the bent axle for freezer compressor that lubricant oil transfer efficiency is high.
For achieving the above object, the utility model provides following technological scheme:
A kind of bent axle for freezer compressor, it is characterized in that: comprise main shaft and crankshaft, main shaft is connected by crank with crankshaft, main shaft comprises the base segment connected successively, flow channel section and output section, the diameter of base segment is greater than flow channel section, and the diameter of base segment is identical with the diameter of output section, be connected by the First stage between base segment with flow channel section, the diameter of base segment and the diameter ratio of flow channel section are 1.1-1.3, the outer wall in described First stage takes the form of inclined plane, be connected by second step section between flow channel section with output section, output section is provided with the secondary segment for opening relative to one end of second step section, the outer wall of secondary segment takes the form of inclined plane, base segment between passing through with foundation trench flat section be connected, the diameter that the diameter of base segment is greater than flat section, and the cross section of the joint of base segment and flat section takes the form of inclined plane,
When the diameter of base segment and the diameter ratio of flow channel section are 1.1-1.3, base segment and with the resistance to compression of flow channel section and antitorque ability best.When main shaft runs rotation, base segment can produce the internal force of offsetting torsion.And when torsion is larger, the internal force that base segment produces is also larger.Ensure the stable of main shaft.
The setting in First stage substantially increases the join strength of base segment and flow channel section, because the outer wall in First stage takes the form of inclined plane, flow channel section is subject to power in the process being passed to flow channel section, the internal force that can be produced by the First stage offsets a part, improves the resistance to compression of flow channel section and antitorque ability.And substantially increase the connective stability of base segment and flow channel section.
The setting of second step section substantially increases join strength and the connective stability of flow channel section and output section, and because flow channel section outer wall is provided with runner, therefore the resistance to compression of flow channel section and antitorque ability are very weak relative to base segment and output section.By the cooperation of First stage and second step section, flow channel section can be protected no matter to be subject to the pressure of the axis in which direction, structure remained stable.
Oiling chamber is offered in described crankshaft, oiling chamber comprises connection successively and the first through entrance chamber, first is connected chamber and main chamber, the outer wall of described crankshaft offers first oil hole through with main chamber, described base segment offers the first oil inlet hole, it is through that main chamber and the first oil inlet hole pass through bridge circulation road, bridge circulation road is skewed, and bridge circulation road is 15 °-20 ° relative to the horizontal tilt angle of base segment;
Accommodating chamber is offered in described output section, accommodating chamber comprises connection successively and the second through entrance chamber, second is connected chamber and injecting chamber, the diameter of described second entrance chamber is connected chamber by ingress to the second and tapers off shape, output section offers respectively the first oil outlet and the second oil outlet, through along inwall in first oil outlet and injecting chamber, the second oil outlet and injecting chamber lower through along inwall; The lower linking between chamber along wall and second of described injecting chamber, is configured with area of slack water.
Further, described crank is connected by transformation segment with between crankshaft, and curved of the cross section of the joint of transformation segment and crank, the cross section of the joint of transformation segment and crankshaft takes the form of inclined plane.Transformation segment substantially increases join strength and the connective stability of crank and crankshaft, and due to curved of the cross section of the joint of transformation segment and crank, arc shaped surface can produce very large internal force and resist the rigid contact that joint is subject to and the load load forces produced.The cross section of the joint of transformation segment and crankshaft takes the form of inclined plane, the cross section, joint, two ends of transformation segment is different, it is the reason being greater than the diameter of crankshaft for the diameter of crank, crank can produce very large rotating force, therefore its torsion be subject to is also larger, the anti-twisting property of arc shaped surface is better than the anti-twisting property on inclined-plane, but the processing technology cost of arc shaped surface is greater than the processing technology cost on inclined-plane, therefore arranges two kinds of different cross sections.
Further, described base segment and the oil duct outer wall of flow channel section offered for being communicated with the first oil inlet hole and the first oil outlet, oil duct in the shape of a spiral.
Contrast the deficiencies in the prior art, the beneficial effect that the technical solution of the utility model is brought:
The bent axle for freezer compressor of the application, First stage and second step section can improve the resistance to compression of main shaft and antitorque ability greatly, and when main shaft is operationally subject to very heavy load load forces, constantly, main shaft can not be out of shape or rupture.Bridge circulation road substantially increases circulation efficiency and the operation stability of lubricant oil.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is structure sectional view of the present utility model.
Embodiment
Referring to figs. 1 through Fig. 2, embodiment of the present utility model is described further.
A kind of bent axle for freezer compressor, comprise main shaft 1 and crankshaft 2, main shaft 1 is connected by crank 3 with crankshaft 2, main shaft 1 comprises the base segment 11 connected successively, flow channel section 12 and output section 13, the diameter of base segment 11 is greater than flow channel section 12, and the diameter of base segment 11 is identical with the diameter of output section 13, be connected by the First stage 41 between base segment 11 with flow channel section 12, the diameter of base segment 11 and the diameter ratio of flow channel section 12 are 1.1-1.3, the outer wall in described First stage 41 takes the form of inclined plane, be connected by second step section 42 between flow channel section 12 with output section 13, output section 13 is provided with the secondary segment 130 for opening relative to one end of second step section 42, the outer wall of secondary segment 130 takes the form of inclined plane, base segment 11 between passing through with foundation trench flat section be connected, the diameter that the diameter of base segment 11 is greater than flat section, and base segment 11 takes the form of inclined plane with the cross section of the joint of flat section,
When the diameter of base segment 11 and the diameter ratio of flow channel section 12 are greater than 1.1-1.3, the diameter of flow channel section 12 reduces, and causes the moment of torsion of flow channel section 12 to diminish, and when main shaft 1 rotates, the anti-twisting property of flow channel section 12 reduces.When the diameter of base segment 11 and the diameter ratio of flow channel section 12 are less than 1.1-1.3, the diameter of base segment 11 reduces, and the internal force causing base to produce reduces, and effectively can not offset main shaft 1 and rotate the torsion produced.Therefore when the diameter of base segment 11 and the diameter ratio of flow channel section 12 are 1.1-1.3, when torsion is larger, the internal force that base segment 11 produces is also larger.Ensure the stable of main shaft 1.The setting in First stage 41 substantially increases the join strength of base segment 11 and flow channel section 12, because the outer wall in First stage 41 takes the form of inclined plane, flow channel section 12 is subject to power in the process being passed to flow channel section 12, the internal force that can be produced by the First stage 41 offsets a part, improves the resistance to compression of flow channel section 12 and antitorque ability.And substantially increase the connective stability of base segment 11 and flow channel section 12.
The setting of second step section 42 substantially increases join strength and the connective stability of flow channel section 12 and output section 13, and because flow channel section 12 outer wall is provided with runner 7, therefore the resistance to compression of flow channel section 12 and antitorque ability are very weak relative to base segment 11 and output section 13.By the cooperation of First stage 41 and second step section 42, flow channel section 12 can be protected no matter to be subject to the pressure of the axis in which direction, structure remained stable.
Oiling chamber 20 is offered in described crankshaft 2, oiling chamber 20 comprises and connecting successively and the first through entrance chamber 201, first linking chamber 202 and main chamber 203, the outer wall of described crankshaft 2 offers first oil hole 200 through with main chamber 203, described base segment 11 offers the first oil inlet hole 110, it is through that main chamber 203 and the first oil inlet hole 110 pass through bridge circulation road 8, bridge circulation road 8 is in skewed, and bridge circulation road 8 is 15 °-20 ° relative to the horizontal tilt angle of base segment 11; When bridge circulation road 8 is greater than 15 °-20 ° relative to the horizontal tilt angle of base segment 11, bridge circulation road 8 angle of inclination is excessive, cause the transporting velocity of lubricant oil too fast, make the pressure increase that bridge circulation road 8 is subject to, and the increase of bridge circulation road 8 angle of inclination makes the cost of production and processing improve, and does not meet the demand in market.
If when bridge circulation road 8 is less than 15 °-20 ° relative to the horizontal tilt angle of base segment 11, bridge circulation road 8 angle of inclination is too small, the transporting velocity of lubricant oil is excessively slow, and lubricant oil reduces greatly from the oil yield efficiency of the first oil inlet hole 110.
Accommodating chamber 6 is offered in described output section 13, accommodating chamber 6 comprises and connecting successively and the second through entrance chamber 61, second linking chamber 62 and injecting chamber 63, the diameter of described second entrance chamber 61 is connected chamber 62 by ingress to the second and tapers off shape, output section 13 offers respectively the first oil outlet 131 and the second oil outlet 132, through along inwall in first oil outlet 131 and injecting chamber 63, the second oil outlet 132 is lower through along inwall with injecting chamber 63;
Be connected by transformation segment 9 between crank 3 with crankshaft 2, curved of the cross section of the joint of transformation segment 9 and crank 3, transformation segment 9 takes the form of inclined plane with the cross section of the joint of crankshaft 2.Transformation segment 9 substantially increases join strength and the connective stability of crank 3 and crankshaft 2, due to transformation segment 9 and curved of the cross section of the joint of crank 3, arc shaped surface can produce very large internal force and resist the rigid contact that joint is subject to and the load load forces produced.Transformation segment 9 takes the form of inclined plane with the cross section of the joint of crankshaft 2, the cross section, joint, two ends of transformation segment 9 is different, it is the reason being greater than the diameter of crankshaft 2 for the diameter of crank 3, crank 3 can produce very large rotating force, therefore its torsion be subject to is also larger, the anti-twisting property of arc shaped surface is better than the anti-twisting property on inclined-plane, but the processing technology cost of arc shaped surface is greater than the processing technology cost on inclined-plane, therefore arranges two kinds of different cross sections.
Base segment 11 and the oil duct 7 outer wall of flow channel section 12 offered for being communicated with the first oil inlet hole 110 and the first oil outlet 131, oil duct 7 in the shape of a spiral.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, those skilled in the art carries out common change and replaces should being included in protection domain of the present utility model within the scope of technical solutions of the utility model.
Claims (3)
1. the bent axle for freezer compressor, it is characterized in that: comprise main shaft and crankshaft, main shaft is connected by crank with crankshaft, main shaft comprises the base segment connected successively, flow channel section and output section, the diameter of base segment is greater than flow channel section, and the diameter of base segment is identical with the diameter of output section, be connected by the First stage between base segment with flow channel section, the diameter of base segment and the diameter ratio of flow channel section are 1.1-1.3, the outer wall in described First stage takes the form of inclined plane, be connected by second step section between flow channel section with output section, output section is provided with the secondary segment for opening relative to one end of second step section, the outer wall of secondary segment takes the form of inclined plane, base segment between passing through with foundation trench flat section be connected, the diameter that the diameter of base segment is greater than flat section, and the cross section of the joint of base segment and flat section takes the form of inclined plane,
Oiling chamber is offered in described crankshaft, oiling chamber comprises connection successively and the first through entrance chamber, first is connected chamber and main chamber, the outer wall of described crankshaft offers first oil hole through with main chamber, described base segment offers the first oil inlet hole, it is through that main chamber and the first oil inlet hole pass through bridge circulation road, bridge circulation road is skewed, and bridge circulation road is 15 °-20 ° relative to the horizontal tilt angle of base segment;
Accommodating chamber is offered in described output section, accommodating chamber comprises connection successively and the second through entrance chamber, second is connected chamber and injecting chamber, the diameter of described second entrance chamber is connected chamber by ingress to the second and tapers off shape, output section offers respectively the first oil outlet and the second oil outlet, through along inwall in first oil outlet and injecting chamber, the second oil outlet and injecting chamber lower through along inwall.
2. a kind of bent axle for freezer compressor according to claim 1, it is characterized in that: described crank is connected by transformation segment with between crankshaft, curved of the cross section of the joint of transformation segment and crank, the cross section of the joint of transformation segment and crankshaft takes the form of inclined plane.
3. a kind of bent axle for freezer compressor according to claim 1, is characterized in that: described base segment and the oil duct outer wall of flow channel section offered for being communicated with the first oil inlet hole and the first oil outlet, oil duct in the shape of a spiral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520188256.XU CN204755239U (en) | 2015-03-31 | 2015-03-31 | A bent axle for refrigerator compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520188256.XU CN204755239U (en) | 2015-03-31 | 2015-03-31 | A bent axle for refrigerator compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204755239U true CN204755239U (en) | 2015-11-11 |
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ID=54469951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520188256.XU Expired - Fee Related CN204755239U (en) | 2015-03-31 | 2015-03-31 | A bent axle for refrigerator compressor |
Country Status (1)
| Country | Link |
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| CN (1) | CN204755239U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112539156A (en) * | 2020-12-05 | 2021-03-23 | 江西泛宇压缩机科技有限公司 | Compressor crankshaft capable of oiling rapidly |
-
2015
- 2015-03-31 CN CN201520188256.XU patent/CN204755239U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112539156A (en) * | 2020-12-05 | 2021-03-23 | 江西泛宇压缩机科技有限公司 | Compressor crankshaft capable of oiling rapidly |
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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: 20151111 Termination date: 20200331 |