CN217898508U - Bearing and have seeder of this bearing - Google Patents
Bearing and have seeder of this bearing Download PDFInfo
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- CN217898508U CN217898508U CN202222069500.3U CN202222069500U CN217898508U CN 217898508 U CN217898508 U CN 217898508U CN 202222069500 U CN202222069500 U CN 202222069500U CN 217898508 U CN217898508 U CN 217898508U
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Abstract
The utility model provides a bearing and have seeder of this bearing relates to bearing technical field, and the main objective provides a better and more durable bearing arrangement of antipollution performance. The bearing comprises an outer ring, an inner ring and balls; the inner side wall of the outer ring is provided with a first channel, the outer side wall of the inner ring is provided with a second channel, the balls are connected with the outer ring and the inner ring through the first channel and the second channel, and two contact points are formed between the balls and the first channel; and/or two contact points are formed between the ball and the second channel. Because the contact part of the ball and the first channel and/or the second channel has two contact points, the ball is effectively prevented from being blocked when moving along the first channel and/or the second channel, the bearing capacity of the bearing can be effectively improved, and the bearing can have better axial and radial composite load capacity.
Description
Technical Field
The utility model belongs to the technical field of the bearing technique and specifically relates to a bearing and have seeder of this bearing.
Background
The seeder is as an agricultural machine commonly used, and press wheel and earthing wheel are the indispensable structure on the seeder, and above-mentioned structure needs to pass through the bearing installation. Meanwhile, the wheels are matched with one another, so that a certain inclination angle exists, and when the seeder operates, the corresponding bearing needs to bear a high radial load and a certain axial load, so that the service life of the seeder is shortened, and the durability of the seeder is further influenced. In addition, the bearing is easy to be polluted because the seeder needs to be in direct contact with pollutants such as soil, sewage, straws and the like when in use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bearing and have seeder of this bearing to solve the bearing life-span that exists among the prior art technical problem on the low side, the durability is poor. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a bearing, which comprises an outer ring, an inner ring and balls; the inner side wall of the outer ring is provided with a first channel, the outer side wall of the inner ring is provided with a second channel, the balls are connected with the outer ring and the inner ring through the first channel and the second channel, and two contact points are formed between the balls and the first channel;
and/or two contact points are formed between the ball and the second channel.
Because the contact part of the ball and the first channel and/or the second channel has two contact points, the ball is effectively prevented from being blocked when moving along the first channel and/or the second channel, the bearing capacity of the bearing can be effectively improved, and the bearing can have better axial and radial combined load capacity.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
As a further improvement of the present invention, the first channel includes a first side wall and a second side wall which are symmetrically arranged, and the first side wall is a plane or a curved surface; and/or the second channel comprises a third side wall and a fourth side wall which are symmetrically arranged, and the third side wall is a plane or a curved surface.
When the first channel comprises two side walls, the first channel can form a V-shaped or peach-pointed structure, and the balls can be respectively contacted with the two side walls of the first channel; similarly, when the second channel includes two sidewalls, the balls can also contact the two sidewalls of the second channel.
As a further improvement of the utility model, the included angle formed by the two contact points of the ball and the first channel and/or the second channel and the center of the ball is 26-30 degrees.
The included angle can effectively improve the bearing capacity of the bearing under the condition of not influencing the normal use of the bearing, so that the bearing has the axial and radial composite load capacity.
As a further improvement of the utility model, the ball bearing device further comprises a retainer, and the ball bearing is arranged between the first channel and the second channel through the retainer.
As a further improvement of the present invention, the sealing device further comprises a sealing element, wherein the sealing element is located between the inner side wall of the outer ring and the outer side wall of the inner ring and is abutted against the outer ring and the inner ring; the quantity of sealing member is at least two and distribute respectively in the both sides of ball.
The sealing element can shield and seal a gap between the outer ring and the inner ring, so that balls between the outer ring and the inner ring are protected, and the balls are prevented from being damaged due to contact with dirt such as soil and straw.
As a further improvement of the present invention, the number of the sealing members is three, two the sealing members are located the balls are arranged in sequence with the same side and along the axis direction of the outer ring.
The number of the sealing elements positioned on one side of the outer part and directly contacted with soil and sundries can be two or more, so that the anti-pollution effect of the sealing elements is enhanced; and one sealing element on the other side which is not directly contacted with the soil and the sundries can be arranged, so that the use requirement can be met.
As a further improvement of the present invention, the sealing member includes a dust cap and an elastic lip seal which are fixedly connected, the dust cap is located the elastic lip seal is kept away from one side of the ball.
The dust cover and the elastic lip seal can be fixedly connected in a sticking mode, and meanwhile, the sealing performance and the wear resistance of the dust cover and the elastic lip seal can be improved in a mode of filling lubricating oil and other grease.
As a further improvement of the present invention, the elastic lip seal includes at least three lips, all the lips are located the elastic lip seal with one side and with the lateral wall of the inner ring or the inside wall looks butt of the outer lane.
The elastic lip seal has better elasticity, so the lip part of the elastic lip seal can realize better sealing effect in an abutting mode.
As a further improvement of the present invention, the ball is located on the same side of the sealing member lip is disposed in the forward and reverse directions and respectively connected to the outer ring and the inner ring.
This arrangement makes it possible to bring the lips of the two seals into contact with the outer ring and the inner ring, respectively, so as to further enhance the sealing effect and the anti-contamination capability of the bearing on this side.
The utility model also provides a seeder, including above-mentioned arbitrary bearing.
Compared with the prior art, the bearing and the seeder with the bearing provided by the preferred embodiment of the utility model have better bearing capacity by matching the first channel and the second channel structures which are specially designed with the balls, and can bear radial and axial compound loads, thereby prolonging the service life of the bearing and improving the durability of related machines; meanwhile, the sealing element has better anti-pollution capability under the action of the sealing element.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the bearing of the present invention;
fig. 2 is a schematic view of the connection between the outer ring and the balls in the bearing of the present invention.
In the figure: 1. an outer ring; 11. a first channel; 111. a first side wall; 112. a second side wall; 2. an inner ring; 21. a second channel; 211. a third side wall; 212. a fourth side wall; 3. a ball bearing; 4. a holder; 5. a seal member; 51. a dust cover; 52. elastic lip sealing; 521. a lip opening.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.
FIG. 1 is a schematic structural diagram of the bearing of the present invention; it can be seen that the bearing mainly comprises an outer ring, an inner ring, balls, a retainer and sealing elements, wherein the balls are arranged between the outer ring and the inner ring through the retainer, the number of the sealing elements is three, and from the figure, the left side is provided with one sealing element, and the right side is provided with two sealing elements.
FIG. 2 is a schematic view of the connection between the outer ring and the balls in the bearing of the present invention; the middle part of the inner side wall of the outer ring is provided with a first channel formed by combining a first side wall and a second side wall, the first channel is of a structure similar to a peach-shaped tip, the balls can be respectively connected with the first side wall and the second side wall to form two contact points, and the included angle of the connecting line of the two contact points and the ball center of each ball is 26-30 degrees.
The technical solution of the present invention will be specifically described with reference to the accompanying drawings.
The utility model provides a bearing, which comprises an outer ring 1, an inner ring 2 and balls 3; a first channel 11 is arranged on the inner side wall of the outer ring 1, a second channel 21 is arranged on the outer side wall of the inner ring 2, the ball 3 is connected with the outer ring 1 and the inner ring 2 through the first channel 11 and the second channel 21, and two contact points are formed between the ball 3 and the first channel 11; and/or two contact points are formed between the balls 3 and the second channel 21. The ball 3 may be a steel ball.
Because the two contact points exist at the contact part of the ball 3 and the first channel 11 and/or the second channel 21, the ball 3 is effectively prevented from being blocked when moving along the first channel 11 and/or the second channel 21, the bearing capacity of the bearing can be effectively improved, and the bearing can have better axial and radial combined load capacity.
In addition, the bearing further comprises a cage 4 and a seal 5, as shown in fig. 1, wherein the balls 3 are disposed between the first channel 11 and the second channel 21 through the cage 4; the sealing element 5 is positioned between the inner side wall of the outer ring 1 and the outer side wall of the inner ring 2 and is abutted against the outer ring 1 and the inner ring 2; the number of the sealing members 5 is at least two and is respectively distributed on two sides of the ball 3.
This sealing member 5 can shelter from and seal the gap between outer lane 1 and the inner circle 2 to the ball 3 that the protection is located between outer lane 1 and the inner circle 2 avoids ball 3 department because of contacting filths such as earth and straw impaired.
As an alternative embodiment, the first trench 11 includes a first sidewall 111 and a second sidewall 112 symmetrically arranged, and the first sidewall 111 is a plane or a curved surface, as shown in fig. 2.
When the first channel 11 includes two sidewalls, the first channel 11 can form a V-shaped or peach-shaped structure, and the balls 3 can contact the two sidewalls of the first channel 11, respectively.
As an alternative embodiment, the two contact points of the balls 3 with the first channel 11 and/or the second channel 21 form an angle of 26-30 ° with the center of the balls 3, as shown in fig. 2.
The included angle can effectively improve the bearing capacity of the bearing under the condition of not influencing the normal use of the bearing, so that the bearing has the axial and radial composite load capacity.
Specifically, the angle may be 28 degrees.
Likewise, the second channel 21 includes a third sidewall 211 and a fourth sidewall 212 symmetrically arranged, and the third sidewall 211 is a plane or a curved surface. When the second channel 21 includes two sidewalls, the balls 3 can also be in contact with the two sidewalls of the second channel 21, respectively, at this time.
It should be noted that, for the first channel 11 and the second channel 21, no matter how curved the side walls are, it is necessary to ensure that the joint of two adjacent side walls forms a sharp corner structure, and it is also necessary to ensure that there are two contact points between the ball 3 and the channel.
As shown in fig. 1, the number of the above-mentioned seal members 5 is three, and two of the seal members 5 are located on the same side (i.e., the right side in the drawing) of the balls 3 and are arranged in order in the axial direction of the outer ring 1.
The number of the sealing members 5 positioned at one side which is positioned outside and directly contacts with soil and sundries can be two or more, so that the anti-pollution effect is enhanced; and one sealing element 5 on the other side which is not directly contacted with the soil and sundries can be arranged, so that the use requirement can be met.
As an alternative embodiment, the sealing member 5 comprises a dust cover 51 and an elastic lip seal 52 which are fixedly connected, and the dust cover 51 is located on the side of the elastic lip seal 52 away from the ball 3.
The dust cover 51 and the elastic lip seal 52 can be fixedly connected by means of adhesion, and the sealing performance and the wear resistance of the elastic lip seal 52 and the dust cover 51 can be improved by means of filling lubricating oil and other grease (i.e. grease filling).
Specifically, the dust cap 51 may be made of metal or plastic material, and the elastic lip seal 52 may be made of rubber material.
As an alternative embodiment, the elastic lip seal 52 includes at least three lips 521, and all the lips 521 are located on the same side of the elastic lip seal 52 and abut against the outer side wall of the inner ring 2 or the inner side wall of the outer ring 1.
The elastic lip seal 52 has good elasticity, so that the lip 521 can be abutted (or elastically pressed) to achieve a good sealing effect.
As an alternative, the lips 521 in the seal 5 on the same side of the balls 3 are arranged in a positive and negative manner and meet the outer ring 1 and the inner ring 2, respectively.
This arrangement makes it possible to bring the lips 521 of the two seals 5 into contact with the outer ring 1 and the inner ring 2, respectively, thereby further enhancing the sealing effect and the anti-contamination capability of the bearing on that side.
It should be noted that the structure of the dust cap 51 is the prior art, and in order to fix the sealing member 5 firmly, the structures of the outer ring 1 and the inner ring 2 need to be adapted (i.e. an annular groove structure is constructed for installing the dust cap 51 and is adapted to the shape and size of the dust cap 51), so that the dust cap 51 can be firmly fixed with the sealing member 5.
The utility model also provides a seeder, including above-mentioned arbitrary bearing.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A bearing, comprising: the outer ring, the inner ring and the balls; the inner side wall of the outer ring is provided with a first channel, the outer side wall of the inner ring is provided with a second channel, the balls are connected with the outer ring and the inner ring through the first channel and the second channel, and two contact points are formed between the balls and the first channel;
and/or two contact points are formed between the ball and the second channel.
2. The bearing of claim 1, wherein the first channel comprises a first sidewall and a second sidewall arranged symmetrically, the first sidewall being planar or curved;
and/or the second channel comprises a third side wall and a fourth side wall which are symmetrically arranged, and the third side wall is a plane or a curved surface.
3. A bearing according to claim 1, wherein the angle formed by the contact points of the ball with the first and/or second channel and the centre of the ball is between 26 ° and 30 °.
4. The bearing of claim 1, further comprising a cage through which the balls are disposed between the first channel and the second channel.
5. The bearing of claim 1, further comprising a seal between and abutting an inner sidewall of the outer race and an outer sidewall of the inner race; the quantity of sealing member is at least two and distribute respectively in the both sides of ball.
6. The bearing of claim 5, wherein the number of the sealing members is three, and two of the sealing members are located on the same side of the ball and arranged in sequence in the axial direction of the outer ring.
7. The bearing of claim 5 wherein said seal comprises a dust cap and a resilient lip seal fixedly attached, said dust cap being located on a side of said resilient lip seal remote from said ball bearing.
8. The bearing of claim 7, wherein the resilient lip seal comprises at least three lips, all of the lips being located on a same side of the resilient lip seal and abutting against an outer sidewall of the inner ring or an inner sidewall of the outer ring.
9. The bearing of claim 8 wherein the lips in the seal on the same side of the balls are disposed in a positive and negative relationship and meet the outer race and the inner race, respectively.
10. Seeding machine, characterised in that it comprises a bearing according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222069500.3U CN217898508U (en) | 2022-08-05 | 2022-08-05 | Bearing and have seeder of this bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222069500.3U CN217898508U (en) | 2022-08-05 | 2022-08-05 | Bearing and have seeder of this bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217898508U true CN217898508U (en) | 2022-11-25 |
Family
ID=84138191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222069500.3U Active CN217898508U (en) | 2022-08-05 | 2022-08-05 | Bearing and have seeder of this bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217898508U (en) |
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2022
- 2022-08-05 CN CN202222069500.3U patent/CN217898508U/en active Active
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| GR01 | Patent grant | ||
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