CN214499833U - Stable star cover of long-life - Google Patents
Stable star cover of long-life Download PDFInfo
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- CN214499833U CN214499833U CN202120673794.3U CN202120673794U CN214499833U CN 214499833 U CN214499833 U CN 214499833U CN 202120673794 U CN202120673794 U CN 202120673794U CN 214499833 U CN214499833 U CN 214499833U
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- lubricating
- groove
- reinforcing
- star
- star cover
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Abstract
The utility model discloses a stable star cover of long-life, including the star cover body, the coaxial shaft hole that is provided with on the star cover body, and the outer edge of star cover body is formed with the slot part, the slot part on be provided with the enhancement piece of looks adaptation, the enhancement piece on be formed with and supply the free rolling slot of steel ball, and the enhancement piece inboard be provided with a plurality of evenly distributed's strengthening rib, the cross-section of strengthening rib be the rectangle, the slot part on be formed with a plurality of enhancement grooves with strengthening rib looks adaptation.
Description
Technical Field
The utility model belongs to the technical field of decide the star cover, refer in particular to a stable star cover of long-life.
Background
Currently, there are star sleeves on the market, which comprise a star sleeve body. The friction between the traditional star-shaped sleeve and the steel ball is too large, so that the steel ball and the star-shaped sleeve are easily abraded, and the service life and the effect of the star-shaped sleeve are reduced.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art existence, the utility model aims to provide a simple structure and long-life, stable star cover.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a stable star cover of long-life, includes the star cover body, the star cover body goes up the coaxial shaft hole that is provided with, and the outer edge of star cover body is formed with the slot part, the slot part on be provided with the enhancement piece of looks adaptation, the enhancement piece on be formed with and supply the steel ball free rolling slot, and the enhancement piece inboard be provided with a plurality of evenly distributed's strengthening rib, the cross-section of strengthening rib be the rectangle, the slot part on be formed with a plurality of enhancement grooves with strengthening rib looks adaptation, the enhancement piece make by wear-resisting metal, like high and violent steel, low carbon wear-resisting alloy steel etc..
By adopting the technical scheme, the groove part is provided with the reinforcing sheet, and the reinforcing sheet is provided with the groove for the steel ball to freely roll, so that the steel ball is not directly contacted with the star-shaped sleeve body, the abrasion of the star-shaped sleeve body is reduced, and the reinforcing sheet is supported by abrasion-resistant metal, so that the abrasion resistance of the reinforcing sheet is ensured; and be provided with a plurality of evenly distributed's strengthening rib in the strengthening piece inboard, the cross-section of strengthening rib is the rectangle, is formed with a plurality of strengthening grooves with strengthening rib looks adaptation on the slot part to can ensure the joint strength between strengthening piece and the star cover body.
The utility model discloses further set up to: the groove of the reinforcing sheet is provided with a plurality of arc-shaped lubricating grooves, a plurality of lubricating holes distributed according to the arc surface are arranged between two adjacent lubricating grooves, and the lubricating holes are filled with solid lubricant.
By adopting the technical scheme, the grooves of the reinforcing sheet are provided with a plurality of arc-shaped lubricating grooves, so that the lubricating effect on the steel balls can be ensured; a plurality of lubricating holes distributed according to the cambered surface are formed between two adjacent lubricating grooves, and solid lubricant is filled in the lubricating holes, so that the lubricating effect can be ensured under the condition that the lubricating oil is insufficient.
The utility model discloses further set up to: the groove is provided with a wear-resistant layer, the lubricating groove and the lubricating hole penetrate through the wear-resistant layer, and the wear-resistant layer can be a metal wear-resistant layer or a wear-resistant ceramic coating.
Through adopting foretell technical scheme, be provided with the wearing layer on the groove to can further ensure the wear-resisting effect of slot, and then ensure the holistic practical life of star cover.
The utility model discloses further set up to: cambered surface supporting parts are formed on the edges of the reinforcing sheet, which are positioned on the two sides of the groove.
By adopting the technical scheme, the two side edges of the groove are provided with the cambered surface supporting parts, so that a good bearing effect can be achieved, and the contact between the star-shaped sleeve and the inner surface of the part sleeved outside the star-shaped sleeve can be reduced.
The utility model discloses further set up to: the reinforcing sheet and the star-shaped sleeve body are fixed through welding, and the reinforcing sheet is detachably fixed through bolts.
Through adopting foretell technical scheme, the reinforcing plate passes through welded fastening with the star cover body to can ensure the fixed strength of reinforcing plate.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic partial cross-sectional view of the present invention;
FIG. 3 is a front view of the reinforcing sheet of the present invention;
reference numbers in the drawings and corresponding part names: 1-star-shaped sleeve body, 2-groove part, 3-reinforcing piece, 4-groove, 5-reinforcing rib, 6-reinforcing groove, 7-lubricating groove, 8-lubricating hole, 9-wear-resistant layer and 10-cambered surface supporting part.
Detailed Description
An embodiment of the present invention is further explained with reference to fig. 1 to 3.
The utility model provides a stable star cover of long-life, includes star cover body 1, the star cover body 1 goes up the coaxial shaft hole that is provided with, and star cover body 1 outer edge be formed with slot part 2, slot part 2 on be provided with the enhancement piece 3 of looks adaptation, enhancement piece 3 on be formed with and supply steel ball free rolling slot 4, and 3 inboards of enhancement piece be provided with a plurality of evenly distributed's strengthening rib 5, the cross-section of strengthening rib 5 be the rectangle, slot part 2 on be formed with a plurality of with the enhancement groove 6 of 5 looks adaptations of strengthening rib, enhancement piece 3 make by wear-resisting metal, like high violent steel, low carbon wear-resisting alloy steel etc..
The reinforcing sheet 3 is arranged on the groove part 2, and the groove 4 for the steel ball to roll freely is formed on the reinforcing sheet 3, so that the steel ball is not directly contacted with the star-shaped sleeve body 1, the abrasion of the star-shaped sleeve body 1 is reduced, and the reinforcing sheet 3 is supported by abrasion-resistant metal, so that the abrasion resistance of the reinforcing sheet 3 is ensured; and be provided with a plurality of evenly distributed's strengthening rib 5 in reinforcing piece 3 inboard, the cross-section of strengthening rib 5 is the rectangle, is formed with a plurality of strengthening grooves 6 with strengthening rib 5 looks adaptation on the slot part 2 to can ensure the joint strength between reinforcing piece 3 and the star cover body 1.
Further: the grooves 4 of the reinforcing sheet 3 are provided with a plurality of arc-shaped lubricating grooves 7, a plurality of lubricating holes 8 distributed according to arc surfaces are arranged between two adjacent lubricating grooves 7, and the lubricating holes 8 are filled with solid lubricants.
A plurality of arc-shaped lubricating grooves 7 are arranged on the grooves 4 of the reinforcing sheet 3, so that the lubricating effect on the steel balls can be ensured; a plurality of lubricating holes 8 distributed according to the cambered surface are formed between the two adjacent lubricating grooves 7, and the lubricating holes 8 are filled with solid lubricant, so that the lubricating effect can be ensured under the condition that the lubricating oil is insufficient.
Further: the groove 4 is provided with a wear-resistant layer 9, the lubricating groove 7 and the lubricating hole 8 penetrate through the wear-resistant layer 9, and the wear-resistant layer 9 can be a metal wear-resistant layer 9 or a wear-resistant ceramic coating.
The wear-resistant layer 9 is arranged on the groove, so that the wear-resistant effect of the groove 4 can be further ensured, and the whole practical service life of the star-shaped sleeve is further ensured.
Further: cambered surface supporting parts 10 are formed on the edges of the reinforcing sheet 3, which are positioned on the two sides of the groove 4.
The cambered surface supporting parts 10 are formed on the edges of the two sides of the groove, so that a good bearing effect can be achieved, and the contact between the star-shaped sleeve and the inner surface of a part sleeved on the star-shaped sleeve can be reduced.
Further: reinforcing plate 3 and star cover body 1 pass through welded fastening, and reinforcing plate 3 also adopts the bolt to dismantle fixedly.
The reinforcing sheet 3 and the inner race 1 are fixed by welding, so that the fixing strength of the reinforcing sheet 3 can be ensured.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (5)
1. The utility model provides a stable star cover of long-life, includes star cover body (1), and the coaxial shaft hole that is provided with on star cover body (1), and the outer edge of star cover body (1) is formed with slot part (2), characterized by: the steel ball bearing is characterized in that a reinforcing piece (3) is arranged on the groove part (2), a groove (4) for the steel ball to roll freely is formed in the reinforcing piece (3), a plurality of reinforcing ribs (5) which are uniformly distributed are arranged on the inner side of the reinforcing piece (3), the cross section of each reinforcing rib (5) is rectangular, and a plurality of reinforcing grooves (6) matched with the reinforcing ribs (5) are formed in the groove part (2).
2. The long life stable spider as recited in claim 1, further comprising: a plurality of arc-shaped lubricating grooves (7) are formed in the grooves (4) of the reinforcing sheet (3), a plurality of lubricating holes (8) distributed according to an arc surface are formed between every two adjacent lubricating grooves (7), and solid lubricants are filled in the lubricating holes (8).
3. A long life stable spider as claimed in claim 2, wherein: the groove (4) is provided with a wear-resistant layer (9), and the lubricating groove (7) and the lubricating hole (8) penetrate through the wear-resistant layer (9).
4. A long life stable spider as claimed in claim 3, wherein: cambered surface supporting parts (10) are formed on the edges of the reinforcing sheet (3) on the two sides of the groove (4).
5. The long life stable spider as recited in claim 4, further comprising: the reinforcing sheet (3) is fixed with the star-shaped sleeve body (1) through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120673794.3U CN214499833U (en) | 2021-04-01 | 2021-04-01 | Stable star cover of long-life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120673794.3U CN214499833U (en) | 2021-04-01 | 2021-04-01 | Stable star cover of long-life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214499833U true CN214499833U (en) | 2021-10-26 |
Family
ID=78201685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120673794.3U Active CN214499833U (en) | 2021-04-01 | 2021-04-01 | Stable star cover of long-life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214499833U (en) |
-
2021
- 2021-04-01 CN CN202120673794.3U patent/CN214499833U/en active Active
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