CN202301436U - Inner oblique tooth type turntable bearing - Google Patents
Inner oblique tooth type turntable bearing Download PDFInfo
- Publication number
- CN202301436U CN202301436U CN201120370648XU CN201120370648U CN202301436U CN 202301436 U CN202301436 U CN 202301436U CN 201120370648X U CN201120370648X U CN 201120370648XU CN 201120370648 U CN201120370648 U CN 201120370648U CN 202301436 U CN202301436 U CN 202301436U
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- Prior art keywords
- outer ring
- ring
- lip
- inner ring
- hole
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to an inner oblique tooth type turntable bearing which basically comprises an outer ring (1), an inner ring (2), steel balls (3) and isolation blocks (7); a steel ball filling hole is formed from the external diameter end surface of the outer ring to the internal diameter end surface of the outer ring; the steel balls and the isolation blocks are filled in the steel ball filling hole, and the steel ball filling hole is sealed by a plugging ball block (5); and the plugging ball block is fixed on the outer ring by a taper pin (6). The internal diameter end surface of the inner ring is designed into an inner oblique tooth. The outer ring and the inner ring are mutually installed in a staggered manner and form a circular arc rolling way; a sealing groove for a circular sealing ring (4) to be installed in is formed in the internal diameter end surface of the outer ring; a semicircular ring protrudes out of the external diameter end surface of the inner ring; a symmetrical centerline of the semicircular ring is flush with one radial end surface of the outer ring; the one radial end surface of the outer ring is provided with a radial sealing groove and an axial sealing groove; and four-lip sealing rings (8) are assembled in the sealing groove and the axial sealing groove. The inner oblique tooth type turntable bearing has the advantages of brief structure and convenience for installation and disassembly.
Description
Technical field
The utility model belongs to technical field of bearings, specially refers to a kind of interior helical teeth formula turntable bearing.
Background technique
Turntable bearing is a kind of special construction large size bearing that can bear larger axis to load, radial load and tilting moment simultaneously, has multiple functions of use such as supporting, rotation, transmission.
The turntable bearing that inner ring has a straight-tooth getting into engagement along its facewidth direction, will produce bigger impact shock noise in use, makes transmission not steady, can not satisfy the use occasion that transmission accuracy is had relatively high expectations fully.
Summary of the invention
For addressing the above problem; The utility model has designed a kind of interior helical teeth formula turntable bearing, and helical teeth formula structure in use can improve the transmission exactness to substitute the straight-tooth structure in the inner ring of this turntable bearing adopted; Reduce vibrating noise, the stationarity of helical teeth formula turntable bearing in improving.
In order to realize the foregoing invention purpose, the utility model adopts following technological scheme:
Helical teeth formula turntable bearing in a kind of, basic structure of helical teeth formula turntable bearing comprises outer ring, inner ring, steel ball and spacing block in this, disposes several steel balls in the arc raceway that outer ring and inner ring form, and between the adjacent steel ball spacing block is set; The characteristic of the utility model is:
The external diameter end face of outer ring is provided with the dress steel ball hole to its internal diameter end face; Said dress steel ball hole behind pack into steel ball and spacing block by the ball blocking block sealing; Ball blocking block is fixed in the taper pin-hole set on the said dress steel ball hole in outer ring through stifled ball taper pin; Both ends of the surface in the outer ring are evenly equipped with several outer ring mounting holes, and this outer ring mounting hole is made up of through hole and tapped hole jointly; The internal diameter end face of inner ring is designed to interior helical teeth, is evenly equipped with several inner ring mounting holes in the both ends of the surface of inner ring, and this inner ring mounting hole is made up of through hole and tapped hole jointly; Install with the inner ring mutual dislocation and the semi-circle raceway of outer ring and the mutual corresponding formation arc raceway of semi-circle raceway of inner ring the outer ring; Internal diameter end face in the outer ring disposes seal groove; Mounting circular ring seal ring in the said seal groove; External diameter end face at inner ring is extruded with semicircular ring; The symmetrical center line of said semicircular ring is concordant with a radially end face of outer ring, and the radially end face in this outer ring not only is provided with radial seal groove but also be provided with the axial seal groove, has attached together four lip seal circles in radial seal groove and the axial seal groove.
Said spacing block is made by polyamide 1010 resin.
The internal diameter of said annulus seal ring is less than the external diameter of inner ring.
Said four lip seal circles are contacted lip and are constituted jointly by radial location lip, axially locating lip, the first contact lip and second; The radial location lip cooperates with said radial seal groove; The axially locating lip cooperates with said axial seal groove, and the first contact lip contacts lip and becomes semi-annular shape and cooperate with said semicircular ring with second.
Owing to adopted technological scheme as stated, the utility model produces following good effect:
1, the utility model is simple for structure, easy installation and removal.
2, the sealing configuration of the utility model can adapt under the bad working environments such as dust is many, rainwater and uses.
3, the utility model can go for the mechanical transmission of low speed, heavy duty, and lubricated abominable operating mode, and stable drive.
If 4 on the utility model basis, the internal structure of bearing is designed to applicable working condition and the application that structures such as double 4 contact-types, crossing cylinder roller type, three-row roller formula can enlarge the pin tooth type turntable bearing.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the local enlarged diagram of four lip seal circle cross-section.
Fig. 3 is the local enlarged diagram of four lip seal circles and outer ring and inner ring junction.
Among the above-mentioned figure: the 1-outer ring; The 2-inner ring; The 3-steel ball; 4-annulus seal ring; The 5-ball blocking block; The 6-taper pin; The 7-spacing block; 8-four lip seal circles; 9-radial location lip; 10-axially locating lip; 11-the first contact lip; 12-the second contact lip.
Embodiment
In conjunction with Fig. 1; The utility model is a kind of interior helical teeth formula turntable bearing; The basic structure of helical teeth formula turntable bearing comprises outer ring 1, inner ring 2, steel ball 3 and spacing block 7 in being somebody's turn to do, and disposes several steel balls 3 in the arc raceway of outer ring 1 and inner ring 2 formation, and spacing block 7 is set between the adjacent steel ball.Spacing block 7 plays the retainer effect, and spacing block 7 is made by polyamide 1010 resin.
The external diameter end face of outer ring 1 is provided with the dress steel ball hole to its internal diameter end face; Said dress steel ball hole in pack into steel ball 3 and spacing block 7 backs by ball blocking block 5 sealings; Ball blocking block 5 is fixed in the taper pin-hole set on the 1 said dress steel ball hole of outer ring through stifled ball taper pin 6, deviates to prevent steel ball 3.1 both ends of the surface are evenly equipped with several outer ring mounting holes in the outer ring, and this outer ring mounting hole is made up of through hole and tapped hole jointly.
The internal diameter end face of inner ring 2 is designed to interior helical teeth, is evenly equipped with several inner ring mounting holes in the both ends of the surface of inner ring, and this inner ring mounting hole is made up of through hole and tapped hole jointly.
Said outer ring mounting hole and said inner ring mounting hole that direction is set is just opposite, promptly the tapped hole of the tapped hole of outer ring mounting hole and inner ring mounting hole is symmetry shape, this can obviously find out from Fig. 1.The aperture of said through hole of outer ring mounting hole and tapped hole or equate with the aperture of said through hole of inner ring mounting hole and tapped hole, or unequal.
Install with inner ring 2 mutual dislocation and the semi-circle raceway of outer ring and the mutual corresponding formation arc raceway of semi-circle raceway of inner ring outer ring 1; 1 internal diameter end face disposes seal groove in the outer ring; Mounting circular ring seal ring 4 in the said seal groove, the internal diameter of annulus seal ring 4 less than the external diameter of inner ring to play sealing to the inner ring cylindrical.
In conjunction with Fig. 1 and Fig. 3; External diameter end face at inner ring 2 is extruded with semicircular ring; The symmetrical center line of said semicircular ring is concordant with a radially end face of outer ring 1; Just concordant with one of them end face of outer ring 1 both ends of the surface, the radially end face in this outer ring not only is provided with radial seal groove but also be provided with the axial seal groove, has attached together four lip seal circles 8 in radial seal groove and the axial seal groove.
What need explanation is: being parallel to each other with outer ring 1 central axis is customized for axially, is customized for radially with outer ring 1 central axis is vertical each other.
In conjunction with Fig. 2; Four lip seal circles 8 are contacted lip 12 with second and are constituted jointly by radial location lip 9, axially locating lip 10, the first contact lip 11; Radial location lip 9 cooperates with said radial seal groove; Axially locating lip 10 cooperates with said axial seal groove, and the first contact lip 11 contacts lip 12 formation semi-annular shapes and cooperates with said semicircular ring with second.That four lip seal circles 10 play is dustproof, waterproof, anti-aging effect.
In conjunction with Fig. 3; When four lip seal circles 8 are installed; In the axial seal groove of elder generation with the axially locating lip 10 embedding outer rings 1 of four lip seal circles, the convex of axially locating lip 10 just matches with the semi-circular recesses of axial seal groove, prevents that 8 generations of four lip seal circles from axially coming off.In the radial seal groove with the radial location lip 9 embedding outer rings 1 of four lip seal circles 8, play the radial seal effect then.The first contact lip 11 of four lip seal circles 8 contacts with second on the said semicircular ring that lip 12 is pressed in inner ring 2, has certain decrement, makes sealing effect better.
Be provided with from the structure of the utility model,, can enlarge the applicable working condition and the application of pin formula turntable bearing if the utility model is designed to structures such as double 4 contact-types, crossing cylinder roller type, three-row roller formula with the internal structure of bearing.
Claims (4)
1. helical teeth formula turntable bearing in a kind; The basic structure of helical teeth formula turntable bearing comprises outer ring (1), inner ring (2), steel ball (3) and spacing block (7) in being somebody's turn to do; Dispose several steel balls (3) in the arc raceway that outer ring (1) and inner ring (2) form, spacing block (7) is set between the adjacent steel ball; It is characterized in that:
The external diameter end face of outer ring (1) is provided with the dress steel ball hole to its internal diameter end face; Said dress steel ball hole seals it at steel ball of packing into (3) and spacing block (7) back by ball blocking block (5); Ball blocking block (5) is fixed in the taper pin-hole set on the said dress steel ball hole in outer ring (1) through stifled ball taper pin (6); The both ends of the surface of (1) are evenly equipped with several outer ring mounting holes in the outer ring, and this outer ring mounting hole is made up of through hole and tapped hole jointly; The internal diameter end face of inner ring (2) is designed to interior helical teeth, is evenly equipped with several inner ring mounting holes in the both ends of the surface of inner ring (2), and this inner ring mounting hole is made up of through hole and tapped hole jointly; Install with inner ring (2) mutual dislocation and the semi-circle raceway of outer ring and the mutual corresponding formation arc raceway of semi-circle raceway of inner ring outer ring (1); The internal diameter end face of (1) disposes seal groove in the outer ring; Mounting circular ring seal ring (4) in the said seal groove; External diameter end face at inner ring (2) is extruded with semicircular ring; The symmetrical center line of said semicircular ring is concordant with a radially end face of outer ring (1), and the radially end face in this outer ring not only is provided with radial seal groove but also be provided with the axial seal groove, has attached together four lip seal circles (8) in radial seal groove and the axial seal groove.
2. interior according to claim 1 helical teeth formula turntable bearing, it is characterized in that: spacing block (7) is made by polyamide 1010 resin.
3. interior according to claim 1 helical teeth formula turntable bearing, it is characterized in that: the internal diameter of said annulus seal ring (4) is less than the external diameter of inner ring (2).
4. interior according to claim 1 helical teeth formula turntable bearing; It is characterized in that: said four lip seal circles (8) contact the common formation of lip (12) by radial location lip (9), axially locating lip (10), the first contact lip (11) with second; Radial location lip (9) cooperates with said radial seal groove; Axially locating lip (10) cooperates with said axial seal groove, and the first contact lip (11) contacts lip (12) formation semi-annular shape and cooperates with said semicircular ring with second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120370648XU CN202301436U (en) | 2011-09-28 | 2011-09-28 | Inner oblique tooth type turntable bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120370648XU CN202301436U (en) | 2011-09-28 | 2011-09-28 | Inner oblique tooth type turntable bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202301436U true CN202301436U (en) | 2012-07-04 |
Family
ID=46370342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120370648XU Expired - Lifetime CN202301436U (en) | 2011-09-28 | 2011-09-28 | Inner oblique tooth type turntable bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202301436U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256311A (en) * | 2013-04-26 | 2013-08-21 | 洛阳轴承研究所有限公司 | Turnable bearing with inner ring provided with V-shaped belt groove |
| CN104454966A (en) * | 2014-11-28 | 2015-03-25 | 安徽省宁国顺昌机械有限公司 | Slewing bearing for excavator and machining method of isolating block of slewing bearing for excavator |
-
2011
- 2011-09-28 CN CN201120370648XU patent/CN202301436U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256311A (en) * | 2013-04-26 | 2013-08-21 | 洛阳轴承研究所有限公司 | Turnable bearing with inner ring provided with V-shaped belt groove |
| CN103256311B (en) * | 2013-04-26 | 2015-08-12 | 洛阳轴承研究所有限公司 | A kind of inner ring has the turntable bearing of V-type trough of belt |
| CN104454966A (en) * | 2014-11-28 | 2015-03-25 | 安徽省宁国顺昌机械有限公司 | Slewing bearing for excavator and machining method of isolating block of slewing bearing for excavator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |
|
| CX01 | Expiry of patent term |