CN217481762U - Multi-seal maintenance-free outer spherical bearing - Google Patents
Multi-seal maintenance-free outer spherical bearing Download PDFInfo
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- CN217481762U CN217481762U CN202221845263.9U CN202221845263U CN217481762U CN 217481762 U CN217481762 U CN 217481762U CN 202221845263 U CN202221845263 U CN 202221845263U CN 217481762 U CN217481762 U CN 217481762U
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Abstract
The utility model relates to a seal non-maintaining insert bearing more. At present, when the spherical outer surface bearing is used, particularly an agricultural machinery bearing, due to the complex and severe working environment, the situation that muddy water winds a bearing part along with weeds, dust easily enters the bearing part and the like often occurs, and the spherical bearing is easily damaged. A multi-seal maintenance-free spherical outside bearing, comprising: the spherical bearing comprises a spherical bearing body (1), wherein an inner ring sleeve (2) of the spherical bearing is rotatably connected with an outer ring sleeve (4) through a group of balls (3), and a first sealing cover (5) and a second sealing cover (6) are arranged between the outer ring sleeve and the inner ring sleeve of the spherical bearing body; two identical annular hook grooves (7) are formed in the outer side sleeve body of the inner ring sleeve, the two annular hook grooves are arranged on the inner ring sleeve in a parallel structure, an inner ring sleeve insertion hole (8) is formed in the circle center of the first sealing cover, and a small-diameter annular surface (9) of the first sealing cover is inserted into the annular hook grooves. The utility model discloses be applied to agricultural machinery field.
Description
Technical Field
The utility model relates to a seal non-maintaining insert bearing more.
Background
The spherical outside surface bearing is widely applied, because the service environment condition of the spherical outside surface bearing is more harsh, especially the agricultural machinery bearing is more severe, for example, a harvester main shaft, a corn harvester peeling roller and a rocker arm of an agricultural packing machine are complex and severe, so that muddy water is often wound around a bearing part along with weeds, the conditions of water seepage into the spherical outside surface bearing, dust entering and the like are very easy to occur, the bearing is easy to damage, and if impurities are accumulated inside, the bearing needs to be disassembled, cleaned and maintained, oil injection and the like, so that the operation is troublesome. Therefore, the above problems often cause the failure of the universal joint or the like, resulting in an increase in use cost.
Disclosure of Invention
The utility model aims at providing a many non-maintaining insert bearing.
The above purpose is realized by the following technical scheme:
a multi-seal maintenance-free spherical outside bearing, comprising: the spherical bearing comprises a spherical bearing body, wherein an inner ring sleeve of the spherical bearing is rotationally connected with an outer ring sleeve through a group of balls, and a first sealing cover and a second sealing cover are arranged between the outer ring sleeve and the inner ring sleeve of the spherical bearing body;
two identical annular hook grooves are formed in the outer sleeve body of the inner ring sleeve, the two annular hook grooves are arranged on the inner ring sleeve in a parallel structure, and the maximum distance between the two annular grooves is larger than the height of the inner ring sleeve;
the cross section of the first sealing cover is of a Z-shaped structure, the circle center of the first sealing cover is provided with an inner ring sleeve insertion hole, the small-diameter ring surface of the first sealing cover is inserted into the annular hook groove, and the large-diameter ring surface of the first sealing cover is clamped on the inner side ring surface of the outer ring sleeve.
The multi-seal maintenance-free outer spherical bearing is characterized in that a sealing dustproof area is formed between the first sealing cover and the second sealing cover;
the multi-seal maintenance-free outer spherical bearing is characterized in that an inner ring sleeve of the spherical bearing body is fixedly connected with a shaft body of the cross shaft.
The utility model discloses the beneficial effect who reaches is:
1. the utility model is characterized in that the spherical bearing body is respectively provided with a first sealing cover and a second sealing cover, the outer side of the second sealing cover of the spherical bearing body is provided with a first sealing cover structure, a sealing dust-proof area is formed between the first sealing cover and the second sealing cover, the outer side of the inner ring sleeve of the spherical bearing body is provided with two annular grooves which are arranged on the inner ring sleeve in a parallel structure, then the first sealing cover is buckled on one side of the inner ring sleeve of the spherical bearing body, then the first sealing cover is pushed forcibly, because the first sealing cover is made of metal material and has certain elasticity, the edge of the small-diameter annular surface on the first sealing cover is clamped into the annular groove on the inner ring sleeve, the large-diameter annular surface on the first sealing cover is propped against the inner side of the outer ring sleeve which is extruded on the spherical bearing body, thereby completing the installation of the first sealing cover, in the same way, the other side of the spherical bearing body is provided with the first sealing covers according to the method, and the spherical bearing body forms two sealing structures through the first sealing cover and the second sealing cover.
2. The utility model has the advantages of being simple in structure and convenient in operation, form twice seal structure with the spherical bearing body through first sealed lid and the sealed lid of second, guaranteed that the difficult channel that gets into the spherical bearing body of dust is inside. Thereby increased the life of spherical bearing body, adopted above-mentioned this kind of structure to improve holistic stability height simultaneously, sealed effect is better, can effectively protect the spherical bearing body, need not maintain again.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention.
In the drawings:
FIG. 1 is a schematic block diagram of the present invention;
FIG. 2 is an enlarged fragmentary view of FIG. 1;
FIG. 3 is a schematic view of the first seal cap;
FIG. 4 is a sectional view A-A of FIG. 3;
in the figure: 1. the spherical bearing comprises a spherical bearing body, 2, an inner ring sleeve, 3, a ball, 4, an outer ring sleeve, 5, a first sealing cover, 6, a second sealing cover, 7, an annular hook groove, 8, an inner ring sleeve insertion hole, 9, a small-diameter annular surface, 10, a large-diameter annular surface, 11, a sealing dust-proof area, 12, a shaft body, 13 and a clamp holder.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example 1:
a multi-seal maintenance-free spherical outside bearing, comprising: the spherical bearing comprises a spherical bearing body 1, wherein an inner ring sleeve 2 of the spherical bearing is rotatably connected with an outer ring sleeve 4 through a group of balls 3, and a first sealing cover 5 and a second sealing cover 6 are arranged between the outer ring sleeve and the inner ring sleeve of the spherical bearing body; two identical annular hook grooves 7 are formed in the outer sleeve body of the inner ring sleeve, the two annular hook grooves are arranged on the inner ring sleeve in a parallel structure, and the maximum distance between the two annular grooves is larger than the height of the inner ring sleeve; the cross section of the first sealing cover is of a Z-shaped structure, the circle center of the first sealing cover is provided with an inner ring inserting hole 8, a small-diameter ring surface 9 of the first sealing cover is inserted into the annular hook groove, and a large-diameter ring surface 10 of the first sealing cover is tightly clamped on the inner ring surface of the outer ring. Wherein the first sealing cover is arranged at the outer side of the second sealing cover, a sealing dust-proof area is formed between the first sealing cover and the second sealing cover, two annular grooves are arranged at the outer side of the inner ring sleeve of the spherical bearing body, the two annular grooves are arranged on the inner ring sleeve in a parallel structure, then the first sealing cover is buckled at one side of the inner ring sleeve of the spherical bearing body, and then the first sealing cover is pushed by force, because the first sealing cover is made of metal and has certain elasticity, the edge of the small-diameter annular surface on the first sealing cover is clamped into the annular groove on the inner ring sleeve, the large-diameter annular surface on the first sealing cover is pressed against the inner side of the outer ring sleeve of the spherical bearing body, thereby completing the installation of the first sealing cover, and the first sealing cover is installed at the other side of the spherical bearing body according to the method, the spherical bearing body forms two sealing structures through the first sealing cover and the second sealing cover.
Example 2:
according to the multi-seal maintenance-free spherical outside bearing in embodiment 1, a sealing dust-proof area 11 is formed between the first sealing cover and the second sealing cover.
Example 3:
according to the multi-seal maintenance-free spherical outside bearing in the embodiment 1 or 2, the inner ring sleeve of the spherical bearing body is fixedly connected with the shaft body 12 of the universal joint pin.
It should be noted that the above mentioned embodiments and embodiments are intended to demonstrate the practical application of the technical solution provided by the present invention, and should not be interpreted as limiting the scope of the present invention. Various modifications, equivalent substitutions and improvements will occur to those skilled in the art and are intended to be within the spirit and scope of the present invention. The protection scope of the present invention is subject to the appended claims.
Claims (3)
1. A multi-seal maintenance-free spherical outside bearing, comprising: spherical bearing body, characterized by: the inner ring sleeve of the spherical bearing is rotationally connected with the outer ring sleeve through a group of balls, and a first sealing cover and a second sealing cover are arranged between the outer ring sleeve and the inner ring sleeve of the spherical bearing body;
two identical annular hook grooves are formed in the outer sleeve body of the inner ring sleeve, the two annular hook grooves are arranged on the inner ring sleeve in a parallel structure, and the maximum distance between the two annular grooves is larger than the height of the inner ring sleeve;
the cross section of the first sealing cover is of a Z-shaped structure, the circle center of the first sealing cover is provided with an inner ring inserting hole, the small-diameter ring surface of the first sealing cover is inserted into the annular hook groove, and the large-diameter ring surface of the first sealing cover is tightly clamped on the inner side ring surface of the outer ring.
2. The multi-seal maintenance-free spherical outer bearing of claim 1, wherein: and a sealing dustproof area is formed between the first sealing cover and the second sealing cover.
3. The multi-seal maintenance-free spherical outer bearing of claim 1, wherein: the inner ring sleeve of the spherical bearing body is fixedly connected with the shaft body of the cross shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221845263.9U CN217481762U (en) | 2022-07-18 | 2022-07-18 | Multi-seal maintenance-free outer spherical bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221845263.9U CN217481762U (en) | 2022-07-18 | 2022-07-18 | Multi-seal maintenance-free outer spherical bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217481762U true CN217481762U (en) | 2022-09-23 |
Family
ID=83318149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221845263.9U Active CN217481762U (en) | 2022-07-18 | 2022-07-18 | Multi-seal maintenance-free outer spherical bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217481762U (en) |
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2022
- 2022-07-18 CN CN202221845263.9U patent/CN217481762U/en active Active
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