CN212225804U - Wear-resistant bushing - Google Patents
Wear-resistant bushing Download PDFInfo
- Publication number
- CN212225804U CN212225804U CN202020898004.7U CN202020898004U CN212225804U CN 212225804 U CN212225804 U CN 212225804U CN 202020898004 U CN202020898004 U CN 202020898004U CN 212225804 U CN212225804 U CN 212225804U
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- CN
- China
- Prior art keywords
- wear
- ball
- oil duct
- bush
- lubrication oil
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a wear-resisting bush belongs to machinery accessories field, and its technical scheme main points are including the bush body, the bush body is equipped with two and extends the lubrication oil duct that just pitch equals along the spiral, and two lubrication oil duct opposite direction of spiral and intercrossing, the top and the end interconnect respectively of two lubrication oil ducts, the bush body is equipped with and is annular oil storage duct, even card is equipped with the ball in the lubrication oil duct, lubrication oil duct's the degree of depth is less than the diameter of ball, and the width equals the diameter of ball, oil storage duct is equipped with the sealing washer that is elastic form, provides a wear-resisting bush of high wearability, high leakproofness, lubrication uniformity.
Description
Technical Field
The utility model belongs to machinery accessories field especially relates to a wear-resisting bush.
Background
As it is known that the moving parts of the mechanical equipment rotate at high speed during operation, and such long-term rotation friction causes wear of the shaft, the prior CN104389907B patent document discloses a wear-resistant bushing, which includes a bushing main body, and the inner wall of the bushing main body is provided with a plurality of lubricating oil channels extending along a spiral shape, and the patent document solves the technical problems of uneven oil channel distribution, insufficient oil supply, poor sealing performance and the like of the conventional bushing, but does not completely solve the problem of reducing the wear of the bushing during use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical problem who exists to the aforesaid, provide a wear-resisting bush of high wearability, high leakproofness, lubrication uniformity.
The purpose of the utility model is realized like this: the utility model provides a wear-resisting bush, includes the bush body, the bush body is equipped with two and extends and the equal lubrication oil duct of pitch along the spiral, and two lubrication oil duct opposite direction of spiral and intercrossing, the top and the end interconnect respectively of two lubrication oil ducts, the bush body is equipped with and is annular oil storage duct, even card is equipped with the ball in the lubrication oil duct, lubrication oil duct's the degree of depth is less than the diameter of ball, and the width equals the diameter of ball, oil storage duct is equipped with the sealing washer that is the elasticity form.
By adopting the technical scheme, the bushing body is provided with two lubricating oil channels which extend along the spiral shape and have the same thread pitch, the two lubricating oil channels are opposite in spiral direction and are mutually crossed, lubricating oil is injected into the lubricating oil channels, the inner side wall of the bushing body is uniformly supplied with the oil through the lubricating oil channels, so that the lubrication is uniform, the wear resistance of the bushing body is improved, the initial ends and the tail ends of the two lubricating oil channels are respectively connected with each other, the sealing performance of the lubricating oil channels is improved, the lubricating oil channels are prevented from flowing out from the two ends of the bushing body, the utilization rate of the lubricating oil channels is improved, the bushing body is provided with the annular oil storage channels, the lubricating oil is added into the oil storage channels, the storage space of the lubricating oil is increased, the lubricating period of the lubricating oil is prolonged, the balls are uniformly clamped in the lubricating oil channels, the contact area between the bush and the rotating shaft is reduced, the bush is protected, the service life of the bush is prolonged, the oil storage channel is provided with the elastic sealing ring, the sealing performance of the oil storage channel is improved through the sealing ring, the lubricating oil in the oil storage channel is prevented from running off, and the rolling ball in the lubricating oil channel is prevented from rolling into the oil storage channel.
The utility model discloses further set up to: the inner wall of the bushing body is provided with a wear-resistant layer, and the wear-resistant layer is a copper-zinc alloy layer.
By adopting the technical scheme, the inner wall of the bushing body is provided with the wear-resistant layer, the wear-resistant layer is the copper-zinc alloy layer, the thickness of the steel backing is 1-5 mm, the thickness of the copper-zinc alloy layer is 0.3-0.5 mm, the wear resistance and the corrosion resistance of the inner wall of the bushing are improved through the wear-resistant layer, the bushing body is prevented from being worn and scrapped quickly after balls are worn, and the service life of the bushing body is prolonged.
The utility model discloses further set up to: the material of the ball is polyurethane rubber.
Through adopting above-mentioned technical scheme, the material of ball is polyurethane rubber, and polyurethane rubber has advantages such as have that hardness is high, intensity is good, high elasticity, high wearability and shock attenuation, has improved the wearability and the shock attenuation of ball, increases the life of bush body.
The utility model discloses further set up to: the lubricating oil channel is provided with arc parts which are arranged on two side edges and are matched with the balls.
Through adopting above-mentioned technical scheme, the lubricating oil duct establish in be arranged in both sides limit and with the circular arc portion of ball adaptation, the circular arc portion extends in order to contain the ball to middle crooked, installs the ball in the lubricating oil duct through circular arc portion, prevents that the ball from falling out from the lubricating oil duct when the bush body does not use, and the ball is installed from the oil storage way and is entered into in the lubricating oil duct.
The utility model discloses further set up to: the inner diameter of the sealing ring is larger than that of the lining body.
Through adopting above-mentioned technical scheme, the internal diameter of sealing washer is greater than the internal diameter of bush body, and the friction of sealing washer and axle is great, when the internal diameter of sealing washer is less than or equal to the internal diameter of bush body, makes sealing washer and bush body take place the friction easily, makes the sealing washer wearing and tearing easily, influences the use of bush body, influences the sealed effect of sealing washer.
The utility model has the advantages that:
1. the lubricating oil is conveniently stored and uniformly lubricated through the oil storage channel and the lubricating oil channel, the wear resistance of the bushing body is improved, and the wear is reduced.
2. Through set up the ball on lubricating-oil duct, shift the wearing and tearing of bush body and axle to the ball on, increase the wearability of bush body, increase the life of bush body.
3. Increase the sealed effect of oil storage duct through the sealing washer, prevent that the lubricating oil runs off when the bush body does not use.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a wear-resistant bushing of the present invention;
fig. 2 is a side cross-sectional view of an embodiment of the wear bushing of the present invention;
FIG. 3 is a schematic diagram of the embodiment of FIG. 2 according to the present invention;
the reference number in the figure is 1-a lining body, 11-a lubricating oil channel, 12-an oil storage channel, 13-an arc part, 2-a ball, 3-a sealing ring and 4-a wear-resistant layer.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following describes the technical solution in the embodiment of the present invention clearly and completely with reference to fig. 1 to 3:
a wear-resistant bush comprises a bush body 1, the bush body 1 is provided with two lubricating oil channels 11 which extend along a spiral shape and have the same thread pitch, the two lubricating oil channels 11 are opposite in spiral direction and are intersected with each other, lubricating oil is injected into the lubricating oil channels 11, the inner side wall of the bush body 1 is uniformly supplied with the oil through the lubricating oil channels 11, the lubrication is uniform, the wear resistance of the bush body 1 is improved, the starting ends and the tail ends of the two lubricating oil channels 11 are respectively connected with each other, the tightness of the lubricating oil channels 11 is improved, the lubricating oil channels 11 are prevented from flowing out of the two ends of the bush body 1, the utilization rate of the lubricating oil channels 11 is increased, the bush body 1 is provided with an annular oil storage channel 12, lubricating oil is added into the oil storage channel 12, the storage space of the lubricating oil is increased, the lubricating period of the lubricating oil is prolonged, balls, and the width equals the diameter of ball 2, shifts wearing and tearing to ball 2 through setting up ball 2, has reduced the area of contact between bush and the pivot, reaches the protection bush, improves the life of bush, and oil storage way 12 is provided with sealing washer 3 that is elastic form, increases oil storage way 12's sealing performance through sealing washer 3, prevents that the lubricating oil in the oil storage way 12 from running off, and prevents that ball 2 in the lubricating oil way 11 from rolling and getting into in the oil storage way 12.
The inner wall of the bushing body 1 is provided with the wear-resistant layer 4, the wear-resistant layer 4 is a copper-zinc alloy layer, the thickness of the steel backing is 1-5 mm, the thickness of the copper-zinc alloy layer is 0.3-0.5 mm, the wear resistance and the corrosion resistance of the inner wall of the bushing are improved through the wear-resistant layer 4, the bushing body 1 is prevented from being worn and scrapped quickly after the balls 2 are worn, and the service life of the bushing body 1 is prolonged.
The material of ball 2 is polyurethane rubber, and polyurethane rubber has advantages such as hardness height, intensity are good, high elasticity, high wearability and shock attenuation, has improved the wearability and the shock attenuation of ball 2, increases the life of bush body 1.
The lubricating oil channel 11 is arranged on the arc portion 13 which is arranged on two side edges and matched with the ball 2, the arc portion 13 extends towards the middle in a bending mode to contain the ball 2, the ball 2 is installed in the lubricating oil channel 11 through the arc portion 13, the ball 2 is prevented from falling out of the lubricating oil channel 11 when the bushing body 1 is not used, and the ball 2 is installed in the lubricating oil channel 11 from the oil storage channel 12.
The internal diameter of sealing washer 3 is greater than the internal diameter of bush body 1, and the friction of sealing washer 3 and axle is great, when the internal diameter of sealing washer 3 is less than or equal to the internal diameter of bush body 1, makes sealing washer 3 and bush body 1 take place the friction easily, makes sealing washer 3 wearing and tearing easily, influences the use of bush body 1, influences the sealed effect of sealing washer 3.
The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and the skilled in the art can carry out the common changes and replacements within the technical solution of the present invention.
Claims (5)
1. The utility model provides a wear-resisting bush, includes bush body (1), its characterized in that, bush body (1) is equipped with two lubrication oil duct (11) that extend along the spiral and pitch equals, two lubrication oil duct (11) opposite direction of spiral and intercrossing, and the top and the end interconnect respectively of two lubrication oil duct (11), bush body (1) is equipped with and is annular storage oil duct (12), even card is equipped with ball (2) in lubrication oil duct (11), the degree of depth of lubrication oil duct (11) is less than the diameter of ball (2), and the width equals the diameter of ball (2), storage oil duct (12) are equipped with sealing washer (3) that are elastic form.
2. The wear-resistant bushing according to claim 1, characterized in that the inner wall of the bushing body (1) is provided with a wear-resistant layer (4), the wear-resistant layer (4) being a copper-zinc alloy layer.
3. A wear-resistant bushing according to claim 2, characterized in that the material of the balls (2) is polyurethane rubber.
4. A wear-resistant bushing according to claim 3, characterized in that the lubricating oil duct (11) is provided with circular arc portions (13) disposed on both sides and adapted to the balls (2).
5. A wear-resistant bushing according to claim 4, characterized in that the inner diameter of the sealing ring (3) is larger than the inner diameter of the bushing body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020898004.7U CN212225804U (en) | 2020-05-25 | 2020-05-25 | Wear-resistant bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020898004.7U CN212225804U (en) | 2020-05-25 | 2020-05-25 | Wear-resistant bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212225804U true CN212225804U (en) | 2020-12-25 |
Family
ID=73929377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020898004.7U Expired - Fee Related CN212225804U (en) | 2020-05-25 | 2020-05-25 | Wear-resistant bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212225804U (en) |
-
2020
- 2020-05-25 CN CN202020898004.7U patent/CN212225804U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20201225 |