CN217381313U - Non-lubricated bearing and bearing assembly - Google Patents
Non-lubricated bearing and bearing assembly Download PDFInfo
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- CN217381313U CN217381313U CN202221024644.0U CN202221024644U CN217381313U CN 217381313 U CN217381313 U CN 217381313U CN 202221024644 U CN202221024644 U CN 202221024644U CN 217381313 U CN217381313 U CN 217381313U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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Abstract
The utility model discloses a no lubricated bearing and bearing assembly thereof, wherein no lubricated bearing includes the bearing body, and the bearing body is tube-shape or sheet structure, and the both sides of bearing body are the contact surface, sets up flutedly and protruding on at least one contact surface of bearing body, and the arch is located between the adjacent recess, and the recess is located between the adjacent arch, and bellied upper surface is the cambered surface or the plane that suit with the bearing fitting surface. The utility model discloses a contact surface at the bearing body sets up recess and arch, only bellied upper surface and cooperation part contact during the use, groove contact not with cooperation part to support the contact with the face between bearing and the two parts of relative motion and change into the dispersion and support the contact, the heat that the friction produced can be followed the groove and discharged, dispel the heat easily after the bearing intensifies, makes the bearing can adapt to higher operating temperature under the circumstances of guaranteeing the cooperation precision.
Description
Technical Field
The utility model relates to a no lubricated bearing and bearing assembly thereof belongs to mechanical parts technical field.
Background
In the prior art, a non-lubricated bearing is often used as a mechanical component in a reciprocating or rotating sliding kinematic pair, the non-lubricated bearing adopts a cylindrical or sheet structure, the using states of the non-lubricated bearings with the cylindrical structure and the sheet structure in the prior art are respectively shown in fig. 1 and fig. 2, two sides of a bearing body 1 of the non-lubricated bearing respectively adopt surface supporting contact with a matched component, two side surfaces of the bearing body are contact surfaces, a gap is reserved between two sides of the non-lubricated bearing and the matched component (a component one 2 and a component 3 in the drawing), the non-lubricated bearings are manufactured by adopting a non-metallic material, and the non-lubricated bearings in the prior art are manufactured by adopting a powder metallurgy material which is infiltrated with lubricating grease, and the non-lubricated bearings in the prior art have the following problems: (1) when the non-lubricating bearing is used in a non-lubricating occasion, the friction temperature of a part is increased, the heat conduction characteristic of a non-metallic material is poor, the expansion coefficient is large, and the working performance of the bearing is unstable in a working environment with a large temperature change range; (2) the non-lubricated bearing made of the powder metallurgy material containing the lubricating grease is difficult to radiate heat in a high-temperature environment, and the service life is greatly reduced; (3) the fit clearance is large and the overall life is low.
Disclosure of Invention
An object of the utility model is to provide a can adapt to higher operating temperature's lubricated bearing of nothing under the circumstances of guaranteeing the cooperation precision for the lubricated bearing friction of the nothing of solving prior art is difficult for radiating technical problem after heaing up. And simultaneously, the utility model also provides an use this bearing assembly of no lubricated bearing.
The utility model discloses a no lubricated bearing adopts following technical scheme: the utility model provides a non-lubricated bearing, its includes the bearing body, and the bearing body is tube-shape or sheet structure, and the both sides of bearing body are the contact surface, offers flutedly and protruding on at least one contact surface of bearing body, and the arch is located between the adjacent recess, and the recess is located between the adjacent arch, and bellied upper surface is the cambered surface or the plane that suit with the bearing fitting surface.
The projections are strip-shaped or dot-shaped.
The bearing comprises a bearing body and is characterized in that two contact surfaces of the bearing body are provided with grooves and protrusions, the grooves on one contact surface and the grooves on the other contact surface are distributed in a staggered mode, and the protrusions on one contact surface and the protrusions on the other contact surface are distributed in a staggered mode.
The bearing comprises a bearing body and is characterized in that grooves and bulges are formed in two contact surfaces of the bearing body, and the grooves and the bulges on the two contact surfaces are symmetrically distributed when the bearing body is of a sheet structure; when the bearing body is of a cylindrical structure, the groove on one contact surface corresponds to the groove on the other contact surface, and the bulge on one contact surface corresponds to the bulge on the other contact surface.
The bearing body is made of special rubber and plastic materials containing graphite or molybdenum disulfide.
The utility model discloses a bearing assembly adopts following technical scheme: a bearing assembly comprises a non-lubricated bearing, a first component and a second component, wherein the first component and the second component are respectively positioned on two sides of the non-lubricated bearing; and an annular groove is formed in the wall surface of the second component, which is in contact with the bearing body, and the bearing body is positioned in the annular groove.
The annular grooves are uniformly distributed on the axis of the second component.
The bearing comprises a bearing body and is characterized in that two contact surfaces of the bearing body are provided with grooves and protrusions, the grooves on one contact surface and the grooves on the other contact surface are distributed in a staggered mode, and the protrusions on one contact surface and the protrusions on the other contact surface are distributed in a staggered mode.
The bearing body is made of special rubber and plastic materials containing graphite or molybdenum disulfide.
The utility model has the advantages that: the utility model discloses a contact surface at the bearing body sets up recess and arch, only bellied upper surface and cooperation part contact during the use, groove contact not with cooperation part to support the contact with the face between bearing and the two parts of relative motion and change into the dispersion and support the contact, the heat that the friction produced can be followed the groove and discharged, dispel the heat easily after the bearing intensifies, makes the bearing can adapt to higher operating temperature under the circumstances of guaranteeing the cooperation precision.
Preferably, the protrusions are in a regular strip-shaped or point-shaped structure, so that the bearing body is easy to machine and manufacture.
Preferably, the grooves and the protrusions are distributed on the two contact surfaces in a mutually staggered mode, heat dissipation performance is good, the bearing body has high matching precision and a wide application temperature range, and the matching precision and the fatigue resistance performance are slightly low.
Preferably, the two contact surfaces are symmetrically arranged, that is, the grooves and the grooves on the two sides of the bearing body correspond to each other, and the protrusions correspond to each other, so that the bearing body has high matching precision, but the application temperature range is narrow.
Drawings
FIG. 1 is a state diagram of a prior art unlubricated bearing of cylindrical configuration;
FIG. 2 is a view showing a state of use of a prior art unlubricated bearing of a sheet structure;
FIG. 3 is a view showing a state of use of a non-lubricated bearing according to embodiment 1 of the present invention;
fig. 4 is a state diagram of the use of the non-lubricated bearing according to embodiment 2 of the present invention;
fig. 5 is a state diagram of the non-lubricated bearing according to embodiment 3 of the present invention;
fig. 6 is a cross-sectional view of a bearing assembly according to an embodiment of the present invention.
In the figure: 1-bearing body, 11-groove, 12-protrusion, 2-part I, 3-part II and 31-annular groove.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The embodiment of the utility model discloses a no lubricated bearing as follows:
example 1:
the utility model discloses embodiment 1's lubricated bearing of nothing is shown in fig. 3, and the lubricated bearing of nothing of this embodiment includes bearing body 1, and bearing body 1 is the tubular structure, and bearing body 1's both sides are the contact surface, all sets up fluted 11 and arch 12 on two contact surfaces of bearing body 1, and arch 12 is located between the adjacent recess 11, and recess 11 is located between the adjacent arch 12, and the upper surface of arch 12 is the cambered surface that suits with the fitting surface. The grooves 11 on one contact surface and the grooves 11 on the other contact surface are distributed in a staggered manner, and the protrusions 12 on one contact surface and the protrusions 12 on the other contact surface are distributed in a staggered manner. In this embodiment, the protrusions 12 are bar-shaped; the bearing body 1 is made of special rubber and plastic materials containing graphite or molybdenum disulfide.
This embodiment adopts tubular structure's bearing body, part 2 and part two 3 are located the inside and outside both sides of bearing body respectively, all set up recess 11 and arch 12 on two inside and outside contact surfaces of bearing body, only protruding 12's upper surface and part 2 and part two 3 contacts during the use, recess 11 does not contact with part 2 and part two 3, thereby face support contact between two parts with bearing and relative motion changes the dispersion support contact into, the heat that the friction produced can be followed the groove and discharged, dispel the heat after the bearing intensifies, make the bearing can adapt to higher operating temperature under the condition of guaranteeing the cooperation precision.
Example 2:
the utility model discloses the non-lubricated bearing of embodiment 2 is shown in figure 4, and the non-lubricated bearing of this embodiment includes bearing body 1, and bearing body 1 is sheet structure, and bearing body 1's both sides are the contact surface, all sets up fluted 11 and arch 12 on two contact surfaces of bearing body 1, and arch 12 is located between the adjacent recess 11, and recess 11 is located between the adjacent arch 12, and the upper surface of arch 12 is the plane that suits with the fitting surface. The grooves 11 on one contact surface and the grooves 11 on the other contact surface are distributed in a staggered manner, and the protrusions 12 on one contact surface and the protrusions 12 on the other contact surface are distributed in a staggered manner. In this embodiment, the protrusions 12 are bar-shaped; the bearing body 1 is made of special rubber and plastic materials containing graphite or molybdenum disulfide.
This embodiment adopts the slice bearing body, part one 2 and part two 3 are located the upper and lower both sides of bearing body respectively, only protruding 12's upper surface and part one 2 and part two 3 contact during the use, recess 11 does not contact with part one 2 and part two 3, recess 11 and protruding 12 all adopt the form of crisscross distribution each other on two contact surfaces, both sides can both be fine the heat dissipation, bearing body heat dispersion is good, make the bearing body have higher cooperation precision and the range of application temperature of broad, nevertheless cooperation precision and fatigue resistance can be lower slightly.
Example 3:
the utility model discloses the unlubricated bearing of embodiment 3 is as shown in figure 5, and this embodiment only lies in with embodiment 2 difference, and in this embodiment, recess 11 and protruding 12 symmetric distribution on two contact surfaces of bearing body 1, namely the recess 11 and the recess 11 of the both sides of bearing body 1 are corresponding promptly, and protruding 12 is corresponding with protruding 12. The rest of this embodiment is the same as embodiment 2, and the description thereof is omitted.
In the bearing body of this embodiment, two contact surfaces are the form that the symmetry set up, and the recess of the both sides of bearing body promptly are corresponding, and protruding corresponding difficult, such bearing body has higher cooperation precision, but the range of application temperature is narrower.
An embodiment of the bearing assembly of the present invention is shown in fig. 6, the bearing assembly of this embodiment includes a non-lubricated bearing and a first component 2 and a second component 3 which are respectively located at two sides of the non-lubricated bearing, the non-lubricated bearing includes a bearing body 1, the bearing body 1 is a cylindrical structure, both the inner side and the outer side of the bearing body 1 are contact surfaces, the first component 2 adopts a cylindrical structure, the second component 3 adopts a cylindrical structure, two contact surfaces of the bearing body 1 are both provided with a groove 11 and a protrusion 12, the protrusion 12 is located between adjacent grooves 11, the groove 11 is located between adjacent protrusions 12, the upper surface of the protrusion 12 is an arc surface adapted to the bearing matching surface; an annular groove 31 is formed in the wall surface of the second component 3, which is in contact with the bearing body 1, and the bearing body 1 is located in the annular groove 31. The annular grooves 31 are distributed uniformly on the axis of the second part 3. In this embodiment, as shown in fig. 3, the two contact surfaces of the bearing body 1 are respectively provided with a groove 11 and a protrusion 12, the groove 11 on one contact surface and the groove 11 on the other contact surface are distributed in a staggered manner, and the protrusion 12 on one contact surface and the protrusion 12 on the other contact surface are distributed in a staggered manner. The bearing body 1 is made of a special rubber plastic material containing graphite or molybdenum disulfide.
In the embodiment, a plurality of independent cylindrical non-lubricated bearing rings are combined together to realize dispersed supporting contact, so that the matching precision and the working temperature are high, and the processing is simple and convenient.
In other embodiments of the present invention, when the bearing body is a cylindrical structure, the following structure may be adopted: the recess on one contact surface corresponds to the recess on the other contact surface and the protrusion on one contact surface corresponds to the protrusion on the other contact surface.
In other embodiments of the present invention, the protrusions may also have a bar structure.
The utility model discloses in other embodiments, when using to the not high occasion of some heat dissipation requirements, can only set up the recess on a contact surface of bearing body.
In other embodiments of the present invention, the bearing body may also be made of other non-metallic materials, and may also be made of a metallic material with grease.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. The utility model provides a non-lubricated bearing, its includes the bearing body, and the bearing body is tube-shape or sheet structure, and the both sides of bearing body are contact surface, its characterized in that: at least one contact surface of the bearing body is provided with a groove and a protrusion, the protrusion is positioned between adjacent grooves, the groove is positioned between adjacent protrusions, and the upper surface of the protrusion is an arc surface or a plane which is matched with the bearing matching surface.
2. The unlubricated bearing of claim 1, wherein: the projections are strip-shaped or dot-shaped.
3. The unlubricated bearing of claim 1, wherein: the bearing comprises a bearing body and is characterized in that two contact surfaces of the bearing body are provided with grooves and protrusions, the grooves on one contact surface and the grooves on the other contact surface are distributed in a staggered mode, and the protrusions on one contact surface and the protrusions on the other contact surface are distributed in a staggered mode.
4. The unlubricated bearing of claim 1, wherein: the bearing comprises a bearing body and is characterized in that grooves and bulges are formed in two contact surfaces of the bearing body, and the grooves and the bulges on the two contact surfaces are symmetrically distributed when the bearing body is of a sheet structure; when the bearing body is of a cylindrical structure, the groove on one contact surface corresponds to the groove on the other contact surface, and the protrusion on one contact surface corresponds to the protrusion on the other contact surface.
5. The unlubricated bearing of claim 1, wherein: the bearing body is made of special rubber and plastic materials containing graphite or molybdenum disulfide.
6. The utility model provides a bearing assembly, includes the lubricated bearing of nothing and lies in the part one and the part two of lubricated bearing both sides respectively, and the lubricated bearing of nothing includes the bearing body, and the bearing body is tubular structure, and the both sides of bearing body are contact surface, its characterized in that: at least one contact surface of the bearing body is provided with a groove and a bulge, the bulge is positioned between adjacent grooves, the groove is positioned between adjacent bulges, and the upper surface of the bulge is an arc surface matched with the bearing matching surface; and an annular groove is formed in the wall surface of the second component, which is in contact with the bearing body, and the bearing body is positioned in the annular groove.
7. The bearing assembly of claim 6, wherein: the annular grooves are uniformly distributed on the axis of the second component.
8. The bearing assembly of claim 6, wherein: the bearing comprises a bearing body and is characterized in that two contact surfaces of the bearing body are provided with grooves and protrusions, the grooves on one contact surface and the grooves on the other contact surface are distributed in a staggered mode, and the protrusions on one contact surface and the protrusions on the other contact surface are distributed in a staggered mode.
9. The bearing assembly of claim 6, wherein: the bearing body is made of special rubber and plastic materials containing graphite or molybdenum disulfide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221024644.0U CN217381313U (en) | 2022-04-30 | 2022-04-30 | Non-lubricated bearing and bearing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221024644.0U CN217381313U (en) | 2022-04-30 | 2022-04-30 | Non-lubricated bearing and bearing assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217381313U true CN217381313U (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221024644.0U Active CN217381313U (en) | 2022-04-30 | 2022-04-30 | Non-lubricated bearing and bearing assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217381313U (en) |
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2022
- 2022-04-30 CN CN202221024644.0U patent/CN217381313U/en active Active
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