CN211231296U - Copper bush structure for precision self-lubricating bearing - Google Patents
Copper bush structure for precision self-lubricating bearing Download PDFInfo
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- CN211231296U CN211231296U CN201922389786.1U CN201922389786U CN211231296U CN 211231296 U CN211231296 U CN 211231296U CN 201922389786 U CN201922389786 U CN 201922389786U CN 211231296 U CN211231296 U CN 211231296U
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- copper
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- inner copper
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- 241000227287 Elliottia pyroliflora Species 0.000 title claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 102
- 229910052802 copper Inorganic materials 0.000 claims abstract description 101
- 239000010949 copper Substances 0.000 claims abstract description 101
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 60
- 229910052742 iron Inorganic materials 0.000 claims abstract description 30
- 238000003860 storage Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The copper bush structure for the precision self-lubricating bearing comprises an outer iron base cylinder body, an inner copper base middle cylinder and two inner copper base end cylinders, wherein counterbores are respectively arranged at two ends of the inner wall of the outer iron base cylinder body, the inner copper base middle cylinder is inserted into the outer iron base cylinder body, two ends of the inner copper base middle cylinder are respectively flush with the hole bottoms of the counterbores, one of the inner copper base end cylinders is inserted into one of the counterbores, the other inner copper base end cylinder is inserted into the other counterbore, a plurality of first arc-shaped notches which are distributed circumferentially are respectively arranged at two ends of the inner copper base middle cylinder, the first arc-shaped notches arranged at one end of the inner copper base middle cylinder and the first arc-shaped notches arranged at the other end of the inner copper base middle cylinder are distributed in a staggered manner, second arc-shaped notches which are in one-to-one correspondence with the corresponding first arc-shaped notches are respectively arranged at the inner end of each inner, one end of the arc-shaped locking block is clamped in the first arc-shaped notch, and the other end of the arc-shaped locking block is clamped in the second arc-shaped notch.
Description
Technical Field
The utility model belongs to the technical field of machinery, especially, relate to an accurate self-lubricating bearing is last to use copper sheathing structure.
Background
A copper jacket is a common mechanical connector.
The current copper bush is generally of an integrated cylinder structure, and structures such as an oil storage blind hole or an oil groove can be designed in the copper bush in order to improve self-lubricating performance.
The copper sleeve made of the copper material has higher cost.
The copper bush made of the composite material designed by the inventor has higher technological requirements for the copper bush made of the composite material during compounding.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, provide a can solve above-mentioned technical problem use copper sheathing structure on the accurate self-lubricating bearing.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the copper bush structure for the precision self-lubricating bearing comprises an outer iron base cylinder body, counterbores are respectively arranged at two ends of the inner wall of the outer iron base cylinder body, the copper bush structure further comprises an inner copper base middle cylinder and two inner copper base end cylinders, the inner copper base middle cylinder is inserted into the outer iron base cylinder body, two ends of the inner copper base middle cylinder are respectively flush with the hole bottoms of the counterbores, one of the inner copper base end cylinders is inserted into one of the counterbores, the inner end face of the inner copper base end cylinder is matched with one end face of the inner copper base middle cylinder, the other inner copper base end cylinder is inserted into the other counterbore, the inner end face of the inner copper base end cylinder is matched with the other end face of the inner copper base middle cylinder, a plurality of first arc-shaped notches which are distributed circumferentially are respectively arranged at two ends of the inner copper base middle cylinder, the first arc-shaped notches arranged at one end of the inner copper base middle cylinder and, the inner end of each inner copper base end barrel is provided with a second arc-shaped notch in one-to-one correspondence with the corresponding first arc-shaped notch, the inner copper base end barrel further comprises a plurality of arc-shaped locking blocks with L-shaped transverse sections, one ends of the arc-shaped locking blocks are clamped in the first arc-shaped notches, the other ends of the arc-shaped locking blocks are clamped in the second arc-shaped notches, one ends of the arc-shaped locking blocks, which are clamped in the second arc-shaped notches, are abutted against the hole bottoms of the corresponding counterbores, the outer iron base barrel and the inner copper base middle barrel are in interference fit, and the outer iron base barrel and the inner copper base end.
In the above copper bush structure for the precision self-lubricating bearing, the arc-shaped locking block comprises a first contact surface matched with the inner wall of the counterbore, a second contact surface matched with the bottom of the counterbore and a third contact surface matched with the inner wall of the outer iron-based cylinder.
In the above copper bush structure for precision self-lubricating bearing, the inner wall of the inner copper base middle cylinder is flush with the inner wall of the inner copper base end cylinder.
In the above copper bush structure for the precision self-lubricating bearing, the inner wall of the inner copper base middle cylinder is provided with oil storage grooves distributed along the axial direction of the inner copper base middle cylinder.
In the above copper bush structure for a precision self-lubricating bearing, the first arc-shaped notch is provided at the outer edges of the two ends of the inner copper-based middle cylinder, and the second arc-shaped notch is provided at the outer edge of the inner end of the inner copper-based end cylinder.
In the copper bush structure for the precision self-lubricating bearing, the end surface of the outer end of the inner copper-based end cylinder is flush with the corresponding end surface of the outer iron-based cylinder.
In the copper bush structure for the precision self-lubricating bearing, the inner wall of the inner copper-based end cylinder is provided with an annular groove.
Compared with the prior art, the copper bush structure used on the precise self-lubricating bearing has the advantages that: realize the built-up connection through mechanical cooperation mode, not only reduced the combined machining degree of difficulty, but also reduced manufacturing cost, be applicable to the production and processing of axle sleeve more.
Drawings
Fig. 1 is a schematic view of a sectional structure of a shaft sleeve provided by the present invention.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic cross-sectional view of the arc-shaped locking block according to the present invention.
Fig. 4 is a schematic structural view of the inner copper-based middle cylinder provided by the present invention.
Fig. 5 is a schematic structural view of the inner copper-based end cylinder provided by the present invention.
Fig. 6 is a schematic view of the arc-shaped locking block structure provided by the present invention.
Fig. 7 is a schematic view of another view angle arc-shaped locking block structure provided by the present invention.
In the figure, an outer iron-based cylinder body 1, a reaming 11, an inner copper-based middle cylinder 2, a first arc-shaped notch 21, an oil storage tank 22, an inner copper-based end cylinder 3, a second arc-shaped notch 31, an annular groove 32, an arc-shaped locking block 4, a first contact surface 41, a second contact surface 42 and a third contact surface 43.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, the copper bush structure for the precision self-lubricating bearing comprises an outer iron-based cylinder 1, wherein outer chamfers are respectively arranged at two ends of the outer wall of the outer iron-based cylinder 1, inner chamfers are respectively arranged at two ends of the inner wall of the outer iron-based cylinder 1, and the chamfers can facilitate final assembly and assembly of internal components.
The copper-based internal end part sleeve comprises an internal copper-based middle sleeve 2 and two internal copper-based end part sleeves 3, wherein the internal copper-based middle sleeve 2 is inserted into an external iron-based sleeve body 1, two ends of the internal copper-based middle sleeve 2 are respectively flush with the hole bottoms of counterbores 11, one internal copper-based end part sleeve 3 is inserted into one of the counterbores 11, the inner end face of the internal copper-based end part sleeve 3 is matched with one end face of the internal copper-based middle sleeve 2, the other internal copper-based end part sleeve 3 is inserted into the other counterbore 11, and the inner end face of the internal copper-based end part sleeve 3 is matched with the other end face of the internal copper-.
Secondly, the outer end face of the inner copper-based end barrel 3 is flush with the corresponding end face of the outer iron-based barrel 1.
The two ends of the inner copper base middle cylinder 2 are respectively provided with a plurality of first arc-shaped notches 21 distributed circumferentially, 2-4 first arc-shaped notches 21 are arranged, the first arc-shaped notches 21 arranged at one end of the inner copper base middle cylinder 2 and the first arc-shaped notches 21 arranged at the other end of the inner copper base middle cylinder 2 are distributed in a staggered mode, the inner end of each inner copper base end cylinder 3 is respectively provided with second arc-shaped notches 31 corresponding to the corresponding first arc-shaped notches 21 one by one, 2-4 second arc-shaped notches 31 are arranged, and the number of the first arc-shaped notches 21 is equal to that of the second arc-shaped notches 31.
Still include that a plurality of transverse cross-sections are the arc locking piece 4 of L shape, the girth of arc locking piece 4 equals the girth of first arc breach, and the girth of arc locking piece 4 equals the girth of second arc breach, and arc locking piece 4 is made a plurality of by an annular ring intercepting, and the one end card of arc locking piece 4 in first arc breach 21, the other end card of arc locking piece 4 in second arc breach 31 and arc locking piece 4 card one end in second arc breach 31 supports and leans on at the bottom of the hole of corresponding reaming 11, and the arc locking piece 4 of design and first arc breach and second arc breach can realize that the circumference that mutual part connects is fixed, have avoided mutual circumferential direction displacement.
Secondly, the first arc-shaped notch 21 is arranged at the outer edges of the two ends of the inner copper-based middle cylinder 2, and the second arc-shaped notch 31 is arranged at the outer edge of the inner end of the inner copper-based end cylinder 3. This configuration may facilitate manufacturing.
The outer iron-based cylinder body 1 is in interference fit with the inner copper-based middle cylinder 2, and the outer iron-based cylinder body 1 is in interference fit with the inner copper-based end cylinder 3.
Further, the arc-shaped locking block 4 of the present embodiment includes a first contact surface 41 matching with the inner wall of the counterbore 11, a second contact surface 42 matching with the bottom of the counterbore 11, and a third contact surface 43 matching with the inner wall of the outer iron-based cylinder 1.
Also, the inner wall of the inner copper-based middle cylinder 2 and the inner wall of the inner copper-based end cylinder 3 are flush.
An oil storage tank 22 which is distributed along the axial direction of the inner copper base middle cylinder 2 is arranged on the inner wall of the inner copper base middle cylinder 2. The width of the oil reservoir 22 is gradually widened from both ends of the inner copper-based middle tube 2 toward the middle of the inner copper-based middle tube 2. The depth of the oil storage tank 22 is gradually deepened from both ends of the inner copper-based middle cylinder 2 to the middle of the inner copper-based middle cylinder 2.
The inner wall of the inner copper-based end cylinder 3 is provided with an annular groove 32. The annular groove 32 acts as an oil seal.
The assembling method comprises the following steps:
s1, clamping a plurality of arc-shaped locking blocks 4 into the second arc-shaped notch 31 at the inner end of one inner copper-based end barrel 3, and placing one end, far away from the arc-shaped locking block 4, of the inner copper-based end barrel 3 on a platform, wherein the arc-shaped locking block 4 faces upwards;
s2, sleeving one end of the outer iron-based cylinder 1 on the upper end of the inner copper base end cylinder 3 and pressing the outer iron-based cylinder 1 downwards to a proper position;
s3, inserting the inner copper base middle barrel 2 into the outer iron base barrel 1, aligning the first arc-shaped notch 21 at one end of the inner copper base middle barrel 2 with the arc-shaped locking block 4 in the step S2, and pressing the inner copper base middle barrel 2 downwards to be in place;
s4, clamping the arc locking block 4 in the first arc notch 21 at the other end of the inner copper base middle cylinder 2;
s5, aligning the end of the other inner copper-based end cylinder 3 provided with the second arc-shaped notch 31 toward the soldier to the arc-shaped locking block 4 in the step S4, and pressing the inner copper-based end cylinder 3 downward into position.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The copper bush structure for the precision self-lubricating bearing is characterized by comprising an outer iron-based cylinder body (1), counterbores (11) are respectively arranged at two ends of the inner wall of the outer iron-based cylinder body (1), the copper bush structure also comprises an inner copper-based middle cylinder (2) and two inner copper-based end cylinders (3), the inner copper-based middle cylinder (2) is inserted into the outer iron-based cylinder body (1), two ends of the inner copper-based middle cylinder (2) are respectively flush with the hole bottoms of the counterbores (11), one of the inner copper-based end cylinders (3) is inserted into one of the counterbores (11), the inner end face of the inner copper-based end cylinder (3) is matched with one end face of the inner copper-based middle cylinder (2), the other inner copper-based end cylinder (3) is inserted into the other counterbore (11), the inner end face of the inner copper-based end cylinder (3) is matched with the other end face of the inner copper-based middle cylinder (2), a plurality of first arc-shaped notches (21) which are circumferentially distributed, and a first arc-shaped notch (21) arranged at one end of the inner copper base middle cylinder (2) and a first arc-shaped notch (21) arranged at the other end of the inner copper base middle cylinder (2) are distributed in a staggered way, the inner end of each inner copper-based end barrel (3) is respectively provided with a second arc-shaped notch (31) which is in one-to-one correspondence with the corresponding first arc-shaped notches (21), and the inner copper-based end barrel also comprises a plurality of arc-shaped locking blocks (4) with L-shaped transverse sections, one end of each arc-shaped locking block (4) is clamped in each first arc-shaped notch (21), the other end of the arc-shaped locking block (4) is clamped in the second arc-shaped notch (31), one end of the arc-shaped locking block (4) clamped in the second arc-shaped notch (31) abuts against the hole bottom of the corresponding counterbore (11), the outer iron-based cylinder body (1) is in interference fit with the inner copper-based middle cylinder (2), and the outer iron-based cylinder body (1) is in interference fit with the inner copper-based end cylinder (3).
2. The copper bush structure for the precision self-lubricating bearing according to claim 1, wherein the arc-shaped locking block (4) comprises a first contact surface (41) matched with the inner wall of the counterbore (11), a second contact surface (42) matched with the bottom of the counterbore (11), and a third contact surface (43) matched with the inner wall of the outer iron-based cylinder (1).
3. The copper bush structure for the precision self-lubricating bearing according to claim 1, characterized in that the inner wall of the inner copper-based middle cylinder (2) and the inner wall of the inner copper-based end cylinder (3) are flush.
4. The copper bush structure for the precision self-lubricating bearing according to claim 1, wherein the inner wall of the inner copper-based middle cylinder (2) is provided with oil storage grooves (22) which are distributed along the axial direction of the inner copper-based middle cylinder (2).
5. The copper bush structure for the precision self-lubricating bearing according to claim 1, characterized in that the outer end face of the inner copper-based end cylinder (3) and the corresponding end face of the outer iron-based cylinder (1) are flush.
6. The copper bush structure for the precision self-lubricating bearing according to claim 1, wherein the inner wall of the inner copper-based end cylinder (3) is provided with an annular groove (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922389786.1U CN211231296U (en) | 2019-12-26 | 2019-12-26 | Copper bush structure for precision self-lubricating bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922389786.1U CN211231296U (en) | 2019-12-26 | 2019-12-26 | Copper bush structure for precision self-lubricating bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211231296U true CN211231296U (en) | 2020-08-11 |
Family
ID=71931723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922389786.1U Expired - Fee Related CN211231296U (en) | 2019-12-26 | 2019-12-26 | Copper bush structure for precision self-lubricating bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211231296U (en) |
-
2019
- 2019-12-26 CN CN201922389786.1U patent/CN211231296U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200811 |
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| CF01 | Termination of patent right due to non-payment of annual fee |