CN212794819U - Special frock of eccentric shaft installation bearing of compressor - Google Patents
Special frock of eccentric shaft installation bearing of compressor Download PDFInfo
- Publication number
- CN212794819U CN212794819U CN202021321009.XU CN202021321009U CN212794819U CN 212794819 U CN212794819 U CN 212794819U CN 202021321009 U CN202021321009 U CN 202021321009U CN 212794819 U CN212794819 U CN 212794819U
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- eccentric shaft
- shaft
- hole
- guide
- bearing
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Abstract
The utility model relates to a frock clamp technical field discloses a special frock of compressor eccentric shaft installation bearing, including the supporting seat, the top surface of supporting seat is equipped with the lower shaft locating hole that is used for the lower shaft location of eccentric shaft, and the upper shaft top surface of eccentric shaft is equipped with the guide bar, and the lower extreme of guide bar is equipped with the reference column with the shaft hole clearance fit of upper shaft, the external diameter of guide bar and the hole clearance fit of bearing, and the outside of guide bar is equipped with presses the cover, presses the hole and the guide bar clearance fit of cover, and the edge that the lower extreme of pressing the cover is located the hole is equipped with the bulge loop. The utility model discloses can have convenient to use stable, effectively improve the assembly efficiency and the assembly quality's of bearing and eccentric shaft beneficial effect.
Description
Technical Field
The utility model relates to a frock clamp technical field especially relates to a special frock of compressor eccentric shaft installation bearing.
Background
The scroll compressor is a positive displacement compressor, the compression component is composed of a movable scroll plate and a fixed scroll, and the movable scroll plate rotates at high speed to realize the compression of gas. Be equipped with three eccentric shafts on the driving disk among the scroll compressor, three eccentric shafts pass through the bearing and are connected with the driving disk, consequently, need install the bearing on the eccentric shaft, because interference fit between bearing inner race and the eccentric shaft, the unable direct cover of bearing inner race is on the eccentric shaft, need just can assemble the bearing with the help of the instrument, at present all directly impress the eccentric shaft with the bearing through the bench vice, however because the upper shaft of eccentric shaft, the axis disalignment of lower shaft, the eccentric shaft is difficult to fix a position when adopting bench vice assembly bearing, and then lead to pressure instability, lead to bearing dress askew easily, can lead to bearing inner race scratch eccentric shaft even.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an above-mentioned problem that exists when the eccentric shaft of the compressor among the solution prior art and bearing installation provides a compressor tray installation locating pin frock, and this frock convenient to use can be accurate stable impress the bearing on the eccentric shaft.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a special frock of eccentric shaft installation bearing of compressor, includes the supporting seat, the top surface of supporting seat is equipped with the lower shaft locating hole that is used for the lower shaft location of eccentric shaft, and the upper shaft top surface of eccentric shaft is equipped with the guide bar, the lower extreme of guide bar be equipped with the shaft hole clearance fit's of upper shaft reference column, the external diameter of guide bar and the hole clearance fit of bearing, the outside of guide bar is equipped with presses the cover, press the hole and the guide bar clearance fit of cover, the edge that the lower extreme of pressing the cover is located the hole is equipped with the bulge loop. The supporting seat is arranged on a workbench of a press machine, a lower shaft of an eccentric shaft is inserted into a positioning hole of the lower shaft for positioning, a positioning column at the lower end of a guide rod is inserted into a shaft hole of an upper shaft, a bearing is sleeved into the guide rod, the bearing slides to the end part of the upper shaft under the action of gravity, then a pressing sleeve is sleeved into the guide rod, a pressing head of the press machine presses the pressing sleeve downwards, and a convex ring at the lower end of the pressing sleeve presses the bearing into the upper shaft to realize the assembly of the bearing and the eccentric shaft (the; finally, the pressing sleeve, the guide rod and the eccentric shaft are sequentially taken down; the tool can stably and accurately press the bearing into the eccentric shaft, is convenient and stable to use, and improves the assembly efficiency and the assembly quality of the bearing and the eccentric shaft.
Preferably, the upper end of the guide rod extends to form a guide post, the guide rod, the guide post and the positioning post are of an integrated structure, the outer diameter of the guide post is smaller than that of the guide rod, and a conical transition surface is arranged between the lower end of the guide post and the upper end of the guide rod. The outer diameter of the guide post is small, so that the bearing can be sleeved conveniently, the pressing sleeve can be sleeved conveniently, and the two circumferential surfaces with different diameters are connected together in a transition mode through the conical transition surface, so that a good guiding effect is achieved.
Preferably, the upper end of the guide column is provided with an upper conical guide part, and the lower end of the positioning column is provided with a lower conical guide part. The upper conical guide part is beneficial to the bearing and the pressing sleeve to be quickly sleeved in from the upper end of the guide post, and the lower conical guide part is beneficial to the positioning post to be quickly inserted into the shaft hole of the upper shaft.
Preferably, the top surface of supporting seat is equipped with the supporting pad, the hole downside of supporting pad is equipped with the snap ring, the snap ring is connected with the supporting seat joint, the supporting pad is made by the aluminum alloy, the top surface of supporting pad is the location reference surface. The upper side surface of the supporting gasket is a positioning reference surface, and the flatness requirement is high; because upper shaft and lower shaft eccentric settings, the pressure of eccentric shaft and the top surface of supporting the gasket must have small difference, and the supporting gasket adopts the aluminum alloy, and the material hardness is less than the eccentric shaft, can not lead to the eccentric shaft and lead to the edge impaired because the atress is uneven around the contact surface of supporting the gasket, simultaneously along with long-term the use, the top surface precision of supporting the gasket reduces the back, can quick replacement supporting the gasket.
Preferably, the lower end of the supporting seat is provided with a flange, the flange is provided with a connecting hole, and the center of the top surface of the pressing sleeve is provided with a spherical boss. The flange and the connecting hole are convenient to be connected with a workbench of the press machine.
Therefore, the utility model discloses can have convenient to use stable, effectively improve the assembly efficiency and the assembly quality's of bearing and eccentric shaft beneficial effect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a partial cross-sectional view of fig. 2.
Fig. 4 is a schematic structural view of the guide bar.
In the figure: the device comprises a supporting seat 1, a flange 2, a connecting hole 3, an eccentric shaft 4, a lower shaft 40, an upper shaft 41, a shaft hole 42, a lower shaft positioning hole 5, a supporting gasket 6, a clamping ring 60, a guide rod 7, a positioning column 70, a lower conical guide part 71, a guide column 72, a conical transition surface 73, an upper conical guide part 74, a bearing 8, a pressing sleeve 9, a convex ring 90 and a spherical boss 91.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1, 2, 3 and 4, the special tool for mounting the bearing on the eccentric shaft of the compressor comprises a supporting seat 1, wherein a flange 2 is arranged at the lower end of the supporting seat 1, a connecting hole 3 is arranged on the flange 2, a lower shaft positioning hole 5 for positioning a lower shaft 40 of an eccentric shaft 4 is arranged on the top surface of the supporting seat 1, a supporting gasket 6 is arranged on the top surface of the supporting seat 1, a clamping ring 60 is arranged on the lower side of an inner hole of the supporting gasket 6, the clamping ring 60 is connected with the supporting seat 1 in a clamping manner, the supporting gasket 6 is made of aluminum alloy, and the top surface; the top surface of an upper shaft 41 of the eccentric shaft 4 is provided with a guide rod 7, the lower end of the guide rod 7 is provided with a positioning column 70 in clearance fit with a shaft hole 42 of the upper shaft 41, the lower end of the positioning column 70 is provided with a lower conical guide part 71, the outer diameter of the guide rod 7 is in clearance fit with an inner hole of a bearing 8, the upper end of the guide rod 7 extends to form a guide column 72, the guide rod 7, the guide column 72 and the positioning column 70 are of an integrated structure, the outer diameter of the guide column 72 is smaller than that of the guide rod 7, a conical transition surface 73 is arranged between the lower end of the guide column 72 and the upper end of the guide rod 7, and the upper end; the outside of guide bar 7 is equipped with presses cover 9, presses the hole and the guide bar clearance fit of cover 9, and the lower extreme of pressing cover 9 is located the edge of hole and is equipped with bulge loop 90, and the top surface center of pressing the cover is equipped with sphere boss 91.
With the attached drawings, the principle of the utility model is as follows: as shown in fig. 3, the supporting seat 1 is installed on a workbench of a press machine, the lower shaft of the eccentric shaft 4 is inserted into a lower shaft positioning hole for positioning, a positioning column at the lower end of a guide rod 7 is inserted into a shaft hole of an upper shaft, a bearing 8 is sleeved into the guide rod, the bearing slides to the end part of the upper shaft 41 under the action of gravity, then a pressing sleeve 9 is sleeved into the guide rod, a pressing head of the press machine presses the pressing sleeve downwards, and a convex ring at the lower end of the pressing sleeve presses the bearing into the upper shaft to realize the assembly of the bearing and the eccentric shaft (upper; finally, the pressing sleeve, the guide rod and the eccentric shaft are sequentially taken down; the tool can stably and accurately press the bearing into the eccentric shaft, is convenient and stable to use, and improves the assembly efficiency and the assembly quality of the bearing and the eccentric shaft.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered by the protection scope of the present invention.
Claims (5)
1. The utility model provides a special frock of eccentric shaft installation bearing of compressor, characterized by, includes the supporting seat, the top surface of supporting seat is equipped with the lower shaft locating hole that is used for the lower shaft location of eccentric shaft, and the upper shaft top surface of eccentric shaft is equipped with the guide bar, the lower extreme of guide bar be equipped with the shaft hole clearance fit's of upper shaft reference column, the external diameter of guide bar and the hole clearance fit of bearing, the outside of guide bar is equipped with presses the cover, press the hole and the guide bar clearance fit of cover, the edge that the lower extreme of pressing the cover is located the hole is equipped with the bulge loop.
2. The special tool for the eccentric shaft mounting bearing of the compressor as claimed in claim 1, wherein the upper end of the guide rod extends to form a guide post, the guide rod, the guide post and the positioning post are of an integrated structure, the outer diameter of the guide post is smaller than that of the guide rod, and a conical transition surface is arranged between the lower end of the guide post and the upper end of the guide rod.
3. The tooling special for the eccentric shaft mounting bearing of the compressor as claimed in claim 2, wherein the upper end of the guide post is provided with an upper conical guide part, and the lower end of the positioning post is provided with a lower conical guide part.
4. The tooling special for the eccentric shaft mounting bearing of the compressor as claimed in claim 1, 2 or 3, wherein the top surface of the supporting seat is provided with a supporting gasket, the underside of the inner hole of the supporting gasket is provided with a snap ring, the snap ring is connected with the supporting seat in a clamping manner, the supporting gasket is made of aluminum alloy, and the top surface of the supporting gasket is a positioning reference surface.
5. The special tool for the eccentric shaft mounting bearing of the compressor as claimed in claim 1, wherein a flange is provided at the lower end of the support base, the flange is provided with a connecting hole, and a spherical boss is provided at the center of the top surface of the pressing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021321009.XU CN212794819U (en) | 2020-07-08 | 2020-07-08 | Special frock of eccentric shaft installation bearing of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021321009.XU CN212794819U (en) | 2020-07-08 | 2020-07-08 | Special frock of eccentric shaft installation bearing of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212794819U true CN212794819U (en) | 2021-03-26 |
Family
ID=75099798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021321009.XU Active CN212794819U (en) | 2020-07-08 | 2020-07-08 | Special frock of eccentric shaft installation bearing of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212794819U (en) |
-
2020
- 2020-07-08 CN CN202021321009.XU patent/CN212794819U/en active Active
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