CN215058970U - Bearing bush with good heat dissipation effect - Google Patents
Bearing bush with good heat dissipation effect Download PDFInfo
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- CN215058970U CN215058970U CN202121284453.3U CN202121284453U CN215058970U CN 215058970 U CN215058970 U CN 215058970U CN 202121284453 U CN202121284453 U CN 202121284453U CN 215058970 U CN215058970 U CN 215058970U
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- heat dissipation
- bush
- oil groove
- arc wall
- bush body
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Abstract
The utility model discloses a bearing bush with good heat dissipation effect, which comprises a bush body, wherein the middle part of the bush body is vertically provided with an oil hole which is communicated with the inner end and the outer end of the bush body, the left side and the right side of the oil hole on the outer arc wall of the bush body are respectively provided with at least two positioning lugs, the left side and the right side of the oil hole on the outer arc wall of the bush body are respectively provided with a heat dissipation groove, the heat dissipation groove is positioned between the two adjacent positioning lugs, the direction of the heat dissipation groove is parallel to the axial direction of the bush body, the front end and the rear end of the heat dissipation groove respectively run through the front end and the rear end of the bush body, heat dissipation fins which are parallel to the axial direction of the bush body are arranged in the heat dissipation grooves at intervals, and the outer ends of the heat dissipation fins do not exceed the outer arc wall of the bush body; the middle part of the inner arc wall of the tile body is provided with a main oil groove communicated with the oil hole along the arc direction of the tile body, and the bottom wall of the main oil groove is provided with deep oil holding holes at intervals; the front side and the rear side of the main oil groove are respectively provided with a transverse oil groove communicated with the main oil groove. The utility model discloses aim at solving the poor problem of current axle bush lubrication effect and radiating effect.
Description
Technical Field
The utility model relates to an axle bush technical field especially relates to an axle bush that radiating effect is good.
Background
The bearing bush (bearing shell) is a part of a sliding bearing contacted with a shaft neck, is in a tile-shaped semi-cylindrical surface, is very smooth, is generally made of wear-resistant materials such as bronze, antifriction alloy and the like, and can be made of wood, engineering plastics or rubber under special conditions. The bearing shell is divided into a single-piece type and a split type, and the single-piece type bearing shell is generally called a shaft sleeve (Bushing). The integral bearing bush has two types of oil grooves and oil grooves. The bearing bush and the shaft neck adopt clearance fit and generally do not rotate along with the shaft.
The axle bush is at the during operation, can produce the heat because of the friction between axle bush and the pivot, therefore, slide bearing during operation, make and keep the very thin oil film of one deck between axle bush and the pivot to play the lubrication action through pouring into lubricating oil, reduce the friction, lubricating oil can also play certain radiating action simultaneously, however, current axle bush still has the problem that the oil reserve is few, the oil film between oil bush and the pivot is kept for a short time to the oil reserve volume leads to when the oil film disappears the back can influence lubricated effect, the radiating effect of current axle bush is not good simultaneously, the heat that the axle bush produced because of long-time work can not be timely distributes away, thereby can cause the phenomenon of burning out the tile, the life of axle bush is shorter.
To above technical problem, the utility model discloses a good axle bush of radiating effect, the utility model has the advantages of improve oil storage capacity and lubrication effect, improve the radiating effect of axle bush, prolong the life of axle bush.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome prior art not enough, provide a axle bush that radiating effect is good to the radiating effect who solves among the prior art axle bush exists not enoughly, and the axle bush often can cause the phenomenon of burning tile because of high temperature, and the technical problem such as the life weak point of axle bush, the utility model has the advantages of the radiating effect of improvement axle bush, the life of extension axle bush.
The utility model discloses a following technical scheme realizes: the utility model discloses a bearing bush with good heat dissipation effect, which comprises a bush body, wherein the middle part of the bush body is vertically provided with an oil hole which penetrates through the inner arc wall of the bush body and the outer arc wall of the bush body, the left side and the right side of the oil hole on the outer arc wall of the bush body are respectively provided with at least two positioning lugs, the left side and the right side of the oil hole on the outer arc wall of the bush body are respectively provided with a heat dissipation groove, the heat dissipation grooves are positioned between two adjacent positioning lugs, the direction of the heat dissipation grooves are parallel to the axial direction of the bush body, the front end and the rear end of each heat dissipation groove respectively penetrate through the front end and the rear end of the bush body, heat dissipation fins which are parallel to the axial direction of the bush body are arranged in the heat dissipation grooves at intervals, and the outer ends of the heat dissipation fins do not exceed the outer arc wall of the bush body; the middle part of the inner arc wall of the tile body is provided with a main oil groove communicated with the oil hole along the arc direction of the tile body, and the bottom wall of the main oil groove is provided with deep oil holding holes at intervals; and the front side and the rear side of the main oil groove are respectively provided with a transverse oil groove which is vertical to and communicated with the main oil groove.
Preferably, in order to improve the heat dissipation speed and improve the heat dissipation effect, the heat dissipation fins are fixed to the tile body through welding, and the heat dissipation fins are made of copper materials or aluminum materials.
Preferably, in order to improve the speed of heat dissipation and thus improve the heat dissipation effect, the heat dissipation fins and the tile body are integrally formed through milling, and the outer surfaces of the heat dissipation fins are provided with high-temperature-resistant heat conduction coatings.
Preferably, in order to improve the wear resistance of the inner arc wall of the bearing bush and prolong the service life of the bearing bush, the inner arc wall of the bush body is further provided with a wear-resistant layer.
Preferably, the wear-resistant layer is a copper-based alloy plating layer.
Preferably, for the lubricated effect between the improvement tile body and the pivot, the bilateral symmetry that lies in main oil groove on the inner arc wall of the tile body is provided with the vice oil groove parallel with main oil groove, vice oil groove and horizontal oil groove intercommunication, and the interval is provided with the oily deep hole of staying on the diapire of vice oil groove.
Preferably, the cross sections of the main oil groove, the transverse oil groove and the auxiliary oil groove are in a trapezoid shape.
The utility model has the advantages of it is following:
(1) in the utility model, the inner arc wall of the tile body is provided with the main oil groove, the auxiliary oil groove and the transverse oil groove, and the bottom walls of the main oil groove and the auxiliary oil groove are provided with oil retaining deep holes, thereby improving the oil storage capacity of the bearing bush, effectively keeping a layer of oil film between the bearing bush and the rotating shaft for a long time and improving the lubricating effect;
(2) in the utility model, the left and right sides of the oil hole on the outer arc wall of the tile body are respectively provided with a heat dissipation groove, the direction of the heat dissipation groove is parallel to the axial direction of the tile body, and the front and back ends of the heat dissipation groove respectively run through the front and back ends of the tile body, and heat dissipation fins parallel to the axial direction of the tile body are arranged in the heat dissipation groove at intervals; thereby can improve radiating effect through radiating groove and radiating fin's setting, the timely heat that produces the axle bush work distributes away, avoids the axle bush because of the phenomenon that the bush burns out appears in the high temperature, prolongs the life of axle bush.
Drawings
Fig. 1 is a sectional view of the present invention;
FIG. 2 is a schematic view of the structure of the outer arc wall of the tile body;
FIG. 3 is a schematic view of the inner arc wall structure of the tile body;
fig. 4 is a schematic view of a shoe structure.
In the figure: 1. a tile body; 11. an oil hole; 12. positioning the bump; 13. a heat sink; 14. a main oil sump; 15. a transverse oil groove; 16. a secondary oil groove; 2. a heat dissipating fin; 3. oil-retaining deep holes; 4. a tile seat; 41. an arcuate cavity; 42. and a positioning clamping groove.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example 1
The working principle of the embodiment is as follows: the structure of the tile seat 4 matched with the tile body 1 is shown in fig. 4, when in work, the tile body 1 is arranged in an arc-shaped cavity 41 on the tile seat 4, a positioning clamping groove 42 is correspondingly arranged on the inner arc wall of the tile seat 4 and at the position corresponding to a positioning lug 12, the positioning lug 12 on the outer arc wall of the tile body 1 is correspondingly clamped and fixed with the positioning clamping groove 42 on the inner arc wall of the tile seat 4, lubricating oil is injected between the tile body 1 and a rotating shaft through an oil hole 11, the arrangement of the main oil groove 14, the transverse oil groove 15, the auxiliary oil groove 16 and the oil-retaining deep hole 3 at the bottom of the tile body 1 improves the storage amount of the lubricating oil, so that a layer of oil film is effectively kept between the tile body 1 and the rotating shaft for a long time, the lubricating effect is improved, the heat dissipation grooves 13 between the tile body 1 and the tile seat 4 can play a ventilation and heat dissipation effect, the arrangement of the heat dissipation fins 2 is matched, the heat dissipation area is increased, thereby improving the heat dissipation effect, and reducing the occurrence of tile burning due to high temperature, the service life of the bearing bush is prolonged.
Example 2
The working principle of the embodiment is as follows: when in use, the tile body 1 is arranged in the arc-shaped cavity 41 on the tile seat 4, the positioning clamping grooves 42 are correspondingly arranged on the inner arc wall of the tile seat 4 and the positioning lugs 12, the positioning lugs 12 on the outer arc wall of the tile body 1 are correspondingly clamped and fixed with the positioning clamping grooves 42 on the inner arc wall of the tile seat 4, lubricating oil is injected between the tile body 1 and the rotating shaft through the oil hole 11, the main oil groove 14, the transverse oil groove 15, the auxiliary oil groove 16 and the oil-retaining deep hole 3 at the bottom of the tile body 1 are arranged to improve the storage capacity of the lubricating oil, thereby effectively keeping a layer of oil film between the tile body 1 and the rotating shaft for a long time, improving the lubricating effect, leading the heat dissipation groove 13 between the tile body 1 and the tile seat 4 to play the role of ventilation and heat dissipation, increasing the heat dissipation area by matching with the arrangement of the heat dissipation fins 2, thereby improving the heat dissipation effect, reducing the occurrence of bush burning due to high temperature of the bearing bush and prolonging the service life of the bearing bush.
Claims (7)
1. A bearing bush with good heat dissipation effect is characterized by comprising a bush body, wherein an oil hole penetrating through an inner arc wall of the bush body and an outer arc wall of the bush body is vertically arranged in the middle of the bush body, at least two positioning lugs are respectively arranged on the outer arc wall of the bush body and positioned on the left side and the right side of the oil hole, heat dissipation grooves are also respectively arranged on the outer arc wall of the bush body and positioned on the left side and the right side of the oil hole, the heat dissipation grooves are positioned between two adjacent positioning lugs, the direction of the heat dissipation grooves is parallel to the axial direction of the bush body, the front end and the rear end of each heat dissipation groove respectively penetrate through the front end and the rear end of the bush body, heat dissipation fins parallel to the axial direction of the bush body are arranged in the heat dissipation grooves at intervals, and the outer ends of the heat dissipation fins do not exceed the outer arc wall of the bush body;
a main oil groove communicated with the oil hole is formed in the middle of the inner arc wall of the tile body along the arc direction of the tile body, and oil retaining deep holes are formed in the bottom wall of the main oil groove at intervals;
and transverse oil grooves which are perpendicular to and communicated with the main oil groove are respectively arranged on the front side and the rear side of the main oil groove.
2. The bearing shell with the good heat dissipation effect as recited in claim 1, wherein the heat dissipation fins are fixed to the shell body by welding, and the heat dissipation fins are made of copper or aluminum.
3. The bearing shell with the good heat dissipation effect as recited in claim 1, wherein the heat dissipation fins and the shell body are integrally formed by milling, and the outer surfaces of the heat dissipation fins are provided with high-temperature-resistant heat-conducting coatings.
4. The bearing shell with the good heat dissipation effect as recited in claim 1, wherein the inner arc wall of the shell body is further provided with a wear-resistant layer.
5. The bearing shell with the good heat dissipation effect as recited in claim 4, wherein the wear-resistant layer is a copper-based alloy coating.
6. The bearing shell with the good heat dissipation effect as recited in claim 1, wherein the inner arc wall of the shell body is symmetrically provided with auxiliary oil grooves parallel to the main oil groove on two sides of the main oil groove, the auxiliary oil grooves are communicated with the transverse oil groove, and the bottom wall of the auxiliary oil groove is provided with the deep oil retaining holes at intervals.
7. The bearing shell with the good heat dissipation effect as recited in claim 6, wherein the cross sections of the main oil groove, the transverse oil groove and the auxiliary oil groove are trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121284453.3U CN215058970U (en) | 2021-06-09 | 2021-06-09 | Bearing bush with good heat dissipation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121284453.3U CN215058970U (en) | 2021-06-09 | 2021-06-09 | Bearing bush with good heat dissipation effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215058970U true CN215058970U (en) | 2021-12-07 |
Family
ID=79204937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121284453.3U Active CN215058970U (en) | 2021-06-09 | 2021-06-09 | Bearing bush with good heat dissipation effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215058970U (en) |
-
2021
- 2021-06-09 CN CN202121284453.3U patent/CN215058970U/en active Active
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