CN209414392U - A kind of bearing - Google Patents
A kind of bearing Download PDFInfo
- Publication number
- CN209414392U CN209414392U CN201920061393.5U CN201920061393U CN209414392U CN 209414392 U CN209414392 U CN 209414392U CN 201920061393 U CN201920061393 U CN 201920061393U CN 209414392 U CN209414392 U CN 209414392U
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- China
- Prior art keywords
- outer ring
- inner ring
- sliding slot
- ring
- rolling element
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Abstract
This application discloses a kind of bearings, including inner ring, the outer ring being sheathed on outside inner ring and the rolling element being arranged between inner ring and outer ring, sliding slot is equipped on the outer circumference surface of inner ring and the inner peripheral surface of outer ring, the sliding slot of inner ring and the sliding slot of outer ring are oppositely arranged, and rolling element is arranged between the sliding slot of inner ring and the sliding slot of outer ring；Several tooth-shape structures circumferentially distributed along outer ring are provided on the outer circumference surface of outer ring.So set, the tooth-shape structure on the outer circumference surface of outer ring is rotated relative to inner ring while outer ring is rotated relative to inner ring.The bearing can replace prior art middle gear or sprocket wheel to pass through the structure of bearing and axis connection, and structure is simple, reduce the probability to break down, reduce manufacturing cost, be easily installed.
Description
Technical field
The utility model relates to technical field of bearings more particularly to a kind of bearings.
Background technique
In mechanical manufacturing field, bearing using more and more extensive, bearing is a kind of for determining rotary shaft and other
Part relative motion position, the components for playing bearing or guiding role are the components for carrying gravity, transmitting power.Currently, pitching
On the machines such as vehicle, crane, to realize transmission, it is typically provided with sprocket wheel or gear.When needing to make between sprocket wheel or gear and axis
When can relatively rotate, bearing either is set between gear and axis often through between sprocket wheel and axis, by by axis
The inner ring held is fixedly connected with axis, and the outer ring of bearing is fixedly connected with gear or sprocket wheel, is realized between sprocket wheel or gear and axis
Relative rotation.Connection structure between sprocket wheel or gear and axis is complicated, and installation is inconvenient, is easy to happen failure, and will increase system
Cause this.
Therefore, asking for the connection structure being rotatablely connected between prior art middle sprocket or gear and axis complexity how is solved
Topic, becomes those skilled in the art's important technological problems to be solved.
Utility model content
To be overcome the problems, such as present in the relevant technologies at least to a certain extent, the application provides a kind of bearing, can
When solving to be rotatablely connected between prior art middle sprocket or gear and axis, needs that bearing is installed between sprocket wheel or gear and axis and lead
The problem of the connection structure complexity of cause.
The utility model is realized in this way: a kind of bearing including inner ring, the outer ring being sheathed on outside the inner ring and is set
Set the rolling element between the inner ring and the outer ring, on the outer circumference surface of the inner ring and the inner peripheral surface of the outer ring
Equipped with sliding slot, the sliding slot of the inner ring is oppositely arranged with the sliding slot of the outer ring, and the rolling element is arranged described
Between the sliding slot of inner ring and the sliding slot of the outer ring；Several are provided on the outer circumference surface of the outer ring along described
The circumferentially distributed tooth-shape structure in outer ring.
Preferably, the tooth-shape structure is one straight line tooth form of three-arc.
Preferably, the tooth-shape structure is involute profile.
Preferably, through-hole is provided on the inner ring and/or the outer ring.
Preferably, the rolling element is spherical shape, includes that radius of curvature is all larger than the rolling on the shaft section of the sliding slot
The first camber line and the second camber line of body radius, the rolling element are contacted with first camber line and the second camber line.
Preferably, the sliding slot is respectively set two on the inner ring and the outer ring, two institutes on the inner ring
It states sliding slot to be parallel to each other, two on the outer ring bar sliding slot is parallel to each other.
Preferably, the line between the centre of sphere of the contact point and the rolling element of the rolling element and the sliding slot with it is described
Angle between the pivot center of outer ring is 60 degree.
Preferably, lubrication channel is offered on the sliding slot, the lubrication channel is located at the rolling element respectively with described first
Between camber line and the contact point of second camber line.
Preferably, retainer is provided between the inner ring and the outer ring, the rolling element is arranged in the retainer
Pocket hole inside.
Preferably, it is provided between the inner ring and the outer ring for sealing gap between the inner ring and the outer ring
Sealing cover, the sealing cover is fixed on the both ends of the inner ring and the outer ring by circlip, is provided on the sealing cover
The viewport of situation is rolled and for the note to injection lubricating oil between the inner ring and the outer ring for observing the rolling element
Oilhole is provided with check valve at the oil filler point.
The technical scheme provided by the application includes following the utility model has the advantages that
In bearing provided by the present application, including inner ring, outer ring and rolling element, outer ring are sheathed on the outer of the outer circumference surface of inner ring
Portion, rolling element are arranged between inner ring and outer ring, are equipped with sliding slot, inner ring on the outer circumference surface of inner ring and the inner peripheral surface of outer ring
Sliding slot and the sliding slot of outer ring be oppositely arranged, rolling element is arranged between the sliding slot of inner ring and the sliding slot of outer ring, outer ring with it is interior
While circle relatively rotates, rolling element promotes the relative rotation between outer ring and inner ring in sliding slot roll inside, reduces outer
The resistance of relative motion between circle and inner ring.Several teeth circumferentially distributed along outer ring are set on the outer circumference surface of above-mentioned outer ring
Shape structure.So set, the tooth-shape structure on the outer circumference surface of outer ring is relative to interior while outer ring is rotated relative to inner ring
Circle is rotated.The bearing can replace prior art middle gear or sprocket wheel to pass through the structure of bearing and axis connection, and structure is simple, drop
The low probability to break down reduces manufacturing cost, is easily installed.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The application can be limited.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of end structure illustration of bearing shown in the utility model embodiment；
Fig. 2 is a kind of cross-sectional view of bearing shown in the utility model embodiment；
Fig. 3 is the enlarged drawing of I in Fig. 2.
Appended drawing reference:
Inner ring -1；Outer ring -2；Rolling element -3；Sliding slot -4；Tooth-shape structure -5；First camber line -6；Second camber line -7；It keeps
Frame -8；Through-hole -9；Inner hole -10.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Present embodiment is designed to provide a kind of bearing, by being arranged on the outer circumference surface of outer ring along outer ring
Circumferentially distributed tooth-shape structure simplifies the company of rotation between sprocket wheel or gear and axis instead of the gear teeth structure on sprocket wheel or gear
The structure connect.
Hereinafter, being illustrated referring to attached drawing to embodiment.In addition, embodiments illustrated below is not to recorded in claim
Utility model content rise any restriction effect.In addition, the full content of composition represented by following example is not limited to conduct
Necessary to the solution of utility model documented by claim.
Referring to Fig.1~3, the structural schematic diagram of some exemplary embodiment middle (center) bearings is shown.Provided in this embodiment one
Kind bearing includes inner ring 1, outer ring 2 and rolling element 3, and outer ring 2 is sheathed on the outside of the outer circumference surface of inner ring 1, and the setting of rolling element 3 exists
Between inner ring 1 and outer ring 2, be equipped with sliding slot 4 on the outer circumference surface of inner ring 1 and the inner peripheral surface of outer ring 2, the sliding slot 4 of inner ring 1 with
The sliding slot 4 of outer ring 2 is oppositely arranged, and rolling element 3 is arranged between the sliding slot 4 of inner ring 1 and the sliding slot 4 of outer ring 2, outer ring 2 with it is interior
While circle 1 relatively rotates, rolling element 3 promotes the relative rotation between outer ring 2 and inner ring 1 in 4 roll inside of sliding slot, drop
The low resistance of relative motion between outer ring 2 and inner ring 1.Several tooth form knots are provided on the outer circumference surface of above-mentioned outer ring 2
Structure 5, tooth-shape structure 5 is circumferentially distributed along outer ring 2, so set, while outer ring 2 is rotated relative to inner ring 1, outside outer ring 2
Tooth-shape structure 5 on periphery is rotated relative to inner ring 1.The bearing can replace prior art middle gear or sprocket wheel to pass through axis
The structure with axis connection is held, structure is simple, reduces the probability to break down, reduces manufacturing cost, is easily installed.
Since the tooth form of sprocket wheel is generally one straight line tooth form of three-arc, therefore in an implementation, sprocket wheel is replaced for convenience of the bearing
It is engaged with chain, and guarantees the stability being driven between the outer ring 2 of the bearing and chain, the tooth-shape structure 5 at 2 edge of outer ring is set
It is set to one straight line tooth form of three-arc.
Since tooth-formation of gear is generally involute profile, to adapt to engaging between the bearing and gear, as optional
Embodiment, involute profile can also be set by the tooth-shape structure 5 at 2 edge of outer ring.
It, can be for convenience of the connection between inner ring 1 or outer ring 2 and the other parts such as transmission shaft or shaft in the present embodiment
On inner ring 1 and/or outer ring 2 be arranged through-hole 9, between inner ring 1 and other parts, between outer ring 2 and other parts by bolt into
Row is fixedly connected, and the specific installation situation of the views such as specific location, quantity of through-hole 9 determines.It, can also will be on through-hole 9 in implementation
Screw thread is opened up, is directly fixedly connected inner ring 1 and other parts or outer ring 2 and other parts by bolt.It needs to make at this time
Transmission shaft or shaft have disk-like structure, while corresponding through-hole 9 being arranged on the disk-like structure.When the outer ring of the bearing 2 with
When other parts are fixed, as used as bearing；When the inner ring 1 of the bearing is connect with other parts, which can work as
It makees gear or sprocket wheel uses.
When the bearing is connect with transmission shaft or shaft, connected to be further ensured that between inner ring 1 and transmission shaft or shaft
Concentricity, inner hole 10 can be opened up in the center position of inner ring 1, during installation, in being arranged in transmission shaft or shaft
Hole 10 is positioned, and is then fixedly connected again.
In preferred embodiment, rolling element 3 is spherical shape, includes the first camber line 6 and the second camber line 7 on the shaft section of sliding slot 4, the
The radius of curvature of one camber line 6 and the second camber line 7 is all larger than the radius of rolling element 3 so that rolling element 3 with the first camber line 6 and
The contact of two camber lines 7, i.e., the first camber line 6 is connected with the second camber line 7 can form Gothic vault shape, and the first camber line 6 with
The radius of curvature of second camber line 7 is equal and the radius of both greater than rolling element 3, the sliding slot 4 of a rolling element 3 and inner ring 1 and outer ring 2
Between altogether have four point contacts, prevent from jumping between inner ring 1 and outer ring 2, make the bearing can bear radial load and
Axial load is born, the receiving load of bearing is improved.First camber line 6 is opposite relative to the center line of sliding slot 4 with the second camber line 7
Claim, in this way, further ensure that rolling element 3 with the contact point of the first camber line 6 and the second camber line 7 at the radial direction received and axis
To load it is identical, improve the service life of bearing.
Further, sliding slot 4 is respectively set two on inner ring 1 and outer ring 2, and two sliding slots 4 on inner ring 1 are mutually flat
It goes, two sliding slots 4 on outer ring 2 are parallel to each other, correspondingly, rolling element 3 is also configured as biserial, increase the bearing capacity of the bearing
Greatly, and the antiwhip is improved.
Line between the centre of sphere of the contact point and rolling element 3 of rolling element 3 and sliding slot 4 and between the pivot center of outer ring 2
With certain angle, the angle is bigger, and the axial control force of the bearing is poorer, and the angle is smaller, the axial control force of the bearing
Better.Generally by angle control between 55 degree~65 degree.In preferred embodiment, 60 degree are set by the angle, is effectively protected
Demonstrate,prove the axial control force of the bearing.
In the preferred embodiment of the present embodiment, offer lubrication channel on sliding slot 4, and lubrication channel be located at rolling element 3 respectively with
Between first camber line 6 and the contact point of the second camber line 7.In the bearing operation, rolling element 3 rotates between sliding slot 4, lubrication channel
In lubricating oil can for the bearing increase lubrication effect, make the more smooth of the bearing operation, and the lubrication in lubrication channel
Oil can also play the function of cooling and slagging-off, to increase the service life of the bearing.
In the present embodiment, retainer 8 is provided between inner ring 1 and outer ring 2, rolling element 3 is arranged in the pocket hole of retainer 8
Portion.Retainer 8 can be by 3 portion envelops of rolling element, and two adjacent rolling elements 3 is made to keep certain spacing, avoid rolling
It collides between body 3, increases the rigidity of the bearing.During the bearing working, since the coefficient of sliding friction will cause axis
Fever and abrasion are held, retainer 8 need to have some strength, thermal conductive resin, coefficient of friction small and wearability, be typically chosen as low-carbon
Steel or brass, specifically can be determines according to actual conditions.
In implementation, the sealing cover for sealing gap between inner ring 1 and outer ring 2 is provided between inner ring 1 and outer ring 2, it is close
Capping can prevent extraneous dust impurity from entering inside sliding slot 4, avoid having an impact the operating of bearing, meanwhile, also exist
The outflow of lubrication oil inside sliding slot 4 is prevented to a certain extent, guarantees the lubricant effect of bearing.Sealing cover is fixed on interior by circlip
The both ends of 1 and outer ring 2 are enclosed, is provided on sealing cover and rolls the viewport of situation and for inner ring 1 and outside for observing rolling element 3
The oil filler point that lubricating oil is injected between circle 2, the operating condition of the rolling element 3 of the Bearing inner can be clearly observed by viewport
And the amount of lubricating oil or lubricating grease, preferably to repair maintenance or replacement to the bearing；The presence of oil filler point is convenient for
Lubricating oil or lubricating grease are added into the confined space between inner ring 1 and outer ring 2.It is additionally provided with check valve at oil filler point, is used for
Lubricating oil is injected into confined space, and prevents lubricating oil from flowing out out of confined space.
The material of inner ring 1, outer ring 2 and rolling element 3 is bearing steel, can also select other materials as the case may be, such as
Make common No. 45 steel of sprocket wheel, the common carburizing steel of production gear or quenched and tempered steel.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (10)
1. a kind of bearing characterized by comprising inner ring (1), the outer ring (2) being sheathed on outside the inner ring (1) and setting exist
Rolling element (3) between the inner ring (1) and the outer ring (2), the outer circumference surface of the inner ring (1) and the outer ring (2)
It is equipped on inner peripheral surface sliding slot (4), the sliding slot (4) and the sliding slot (4) phase of the outer ring (2) of the inner ring (1)
To setting, rolling element (3) setting is in the sliding slot (4) of the inner ring (1) and the sliding slot (4) of the outer ring (2)
Between；
Several tooth-shape structures (5) circumferentially distributed along the outer ring (2) are provided on the outer circumference surface of the outer ring (2).
2. bearing according to claim 1, which is characterized in that the tooth-shape structure (5) is one straight line tooth form of three-arc.
3. bearing according to claim 1, which is characterized in that the tooth-shape structure (5) is involute profile.
4. bearing according to claim 1, which is characterized in that be provided on the inner ring (1) and/or the outer ring (2)
Through-hole (9).
5. bearing according to claim 1, which is characterized in that the rolling element (3) is spherical shape, the axis of the sliding slot (4)
It include the first camber line (6) and the second camber line (7) that radius of curvature is all larger than the rolling element (3) radius, the rolling on section
Body (3) is contacted with first camber line (6) and second camber line (7).
6. bearing according to claim 5, which is characterized in that the sliding slot (4) is in the inner ring (1) and the outer ring
(2) two are respectively set on, two sliding slots (4) on the inner ring (1) are parallel to each other, two on the outer ring (2)
The sliding slot (4) is parallel to each other.
7. bearing according to claim 5, which is characterized in that the contact point of the rolling element (3) and the sliding slot (4) with
Line between the centre of sphere of the rolling element (3) and the angle between the pivot center of the outer ring (2) are 60 degree.
8. bearing according to claim 5, which is characterized in that offer lubrication channel, the lubrication channel on the sliding slot (4)
Positioned at the rolling element (3) respectively between first camber line (6) and the contact point of second camber line (7).
9. bearing according to claim 1, which is characterized in that be provided with guarantor between the inner ring (1) and the outer ring (2)
It holds frame (8), the rolling element (3) is arranged inside the pocket hole of the retainer (8).
10. bearing according to claim 1, which is characterized in that be provided between the inner ring (1) and the outer ring (2)
For sealing the sealing cover in gap between the inner ring (1) and the outer ring (2), the sealing cover is fixed on described by circlip
The both ends of inner ring (1) and the outer ring (2) are provided on the sealing cover and roll situation for observing the rolling element (3)
Viewport and for the oil filler point to injection lubricating oil between the inner ring (1) and the outer ring (2), is provided at the oil filler point
Check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920061393.5U CN209414392U (en) | 2019-01-14 | 2019-01-14 | A kind of bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920061393.5U CN209414392U (en) | 2019-01-14 | 2019-01-14 | A kind of bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209414392U true CN209414392U (en) | 2019-09-20 |
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ID=67943707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920061393.5U Active CN209414392U (en) | 2019-01-14 | 2019-01-14 | A kind of bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209414392U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488683A (en) * | 2019-01-14 | 2019-03-19 | 临清市海瑞轴承制造有限公司 | A kind of bearing |
-
2019
- 2019-01-14 CN CN201920061393.5U patent/CN209414392U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488683A (en) * | 2019-01-14 | 2019-03-19 | 临清市海瑞轴承制造有限公司 | A kind of bearing |
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