CN208885898U - A kind of high-speed silent rolling bearing screw pair - Google Patents
A kind of high-speed silent rolling bearing screw pair Download PDFInfo
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- CN208885898U CN208885898U CN201821485277.8U CN201821485277U CN208885898U CN 208885898 U CN208885898 U CN 208885898U CN 201821485277 U CN201821485277 U CN 201821485277U CN 208885898 U CN208885898 U CN 208885898U
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- bearing
- screw rod
- rolling bearing
- screw
- rod ontology
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Abstract
The utility model discloses a kind of high-speed silent rolling bearing screw pairs, including thread bush and screw rod ontology, screw rod ontology is movably arranged in thread bush, the both ends of screw rod ontology all extend to outside thread bush, screw rod ontology is equipped with the first external screw thread, installation cavity is offered on the inner wall of thread bush, three and three or more rolling bearings are movably installed in installation cavity, several interlayer blocks are also folded between rolling bearing, one end of screw rod ontology sequentially passes through three and three or more rolling bearings, offers multiple threaded holes on the bottom side inner wall of installation cavity.The utility model structure is simple, can run smoothly when rolling bearing screw pair needs high speed feed, and revolving speed is high, ensure that the running environment of rolling bearing screw pair, extends its service life, meets the demand of people.
Description
Technical field
The utility model relates to rolling bearing screw rod ontology field more particularly to a kind of high-speed silent rolling bearing silks
Bar pair.
Background technique
Screw rod is the essential functional component in linear mechanical motion, is widely applied in mechanical equipment, current silk
Bar is broadly divided into two large divisions: sliding screw, rolls ballscrew, above 2 kinds of screw rod disadvantages: the speed of service is slow, motion noise
Greatly, Yi Fare, rolling non-refractory, not anti-dust, installation are complicated.
Publication No. CN2009747 discloses a kind of high-speed precision ball screw pair, is cased with ball nut on ball-screw,
Ball road is corresponding in ball-screw outer circle and ball nut inner circle, ball road is provided with ball, and ball nut has front and back
Two sections of nut bodies accompany adjustment gasket between two sections of nut bodies, there is perforative ball secret tunnel, the center of ball secret tunnel in nut body
Line and nut body centerline parallel mill an oval reverser along axial direction at every section of nut body both ends at the center of ball secret tunnel
Hole, reverser hole is packed into reverser, and is packed into the circlip for being used to push down reverser, but the meeting in high speed feed of this device
Very high heat is generated, so that screw rod generates heat exhaustion, the utility model proposes a kind of rollings of high-speed silent accordingly
Bearing screw pair is to solve these problems, and the utility model covers screw rod Special Roller Bearing Energy simultaneously, for the present invention
Actual use situation, the ontology of screw rod Special Roller Bearing Energy includes: deep groove ball bearing, angular contact ball bearing, self-aligning ball bearing,
Roller bearing units, oscillating bearing, cylinder roller bearing etc..
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of high-speed silent rolling proposed
Dynamic bearing screw pair.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of high-speed silent rolling bearing screw pair, including thread bush and screw rod ontology, screw rod ontology are movably arranged on spiral shell
In line set, the both ends of screw rod ontology are all extended to outside thread bush, and screw rod ontology is equipped with the first external screw thread, on the inner wall of thread bush
Installation cavity is offered, three and three or more rolling bearings are movably installed in installation cavity, if being also folded between rolling bearing
Dry interlayer block, one end of screw rod ontology sequentially passes through three and three or more rolling bearings, opens on the bottom side inner wall of installation cavity
Equipped with multiple threaded holes, jackscrew is mounted in each threaded hole, jackscrew top side is in contact with the bottom side of interlayer block, installation cavity
It is offered on the inner wall of top side and pushes slot, the top side for being located in the middle a rolling bearing, which extends to, to be pushed in slot, and the axis of rolling is contracted
Bearing inner race and bearing outer ring are included, bearing inner race is actively socketed on screw rod ontology, and bearing outer ring is actively socketed on bearing inner race
On, it is movably installed with multiple rolling pearls between bearing inner race and bearing outer ring, forms dress annular in shape on bearing inner race inner wall
With ring, mounting ring is adapted with the first external screw thread being located on screw rod ontology.
Preferably, the dirt-proof boot for being located at and rolling pearl two sides is movably installed between bearing inner race and bearing outer ring, it is dust-proof
Set is made of rubber material.
Preferably, the inner wall of thread bush is equipped with the first internal screw thread, the first external screw thread and thread bush on screw rod ontology
The first internal screw thread on inner wall is adapted.
Preferably, interlayer block is in the round pie of center opening, the internal diameter that the outer diameter of interlayer block is less than installation cavity is bonded, folder
The center opening diameter of layer block is greater than the outer diameter of screw rod ontology, and the cross section of interlayer block is in isosceles trapezoid, the end face of interlayer block with
Inclination angle between interlayer block side wall is identical as the inclination angle of the first externally threaded screw thread.
Preferably, the mounting ring on bearing inner race is cyclic annular raised line.
Preferably, the mounting ring on bearing inner race is annular recess.
Preferably, bearing inner race and bearing outer ring side close to each other offer mounting groove, pearl and two are rolled
Mounting groove is in contact.
Compared with prior art, the utility model has the beneficial effects that
In the utility model, by thread bush, screw rod ontology, installation cavity, rolling bearing, threaded hole, jackscrew, slot is pushed
It is used cooperatively, when rolling bearing screw rod needs high speed feed, drives rolling bearing rotation, rolling bearing rotates so that in bearing
Circle is rotated on bearing outer ring by rolling pearl, and the first external screw thread on screw rod ontology is to pushing away in one axial direction of rolling bearing
Power, so that the linear motion for making rolling bearing that nut set be driven to do an axial direction, can make rolling bearing that nut set be driven to do
The linear motion of one axial direction passes through thread bush, screw rod ontology, installation cavity, rolling bearing, mounting ring, the first external screw thread, interlayer
Block is used cooperatively, and above rolling bearing there are three the interior installations of installation cavity, on the inner wall of the bearing inner race of rolling bearing
It is matched equipped with mounting ring, and with the first external screw thread on screw rod ontology, plays positioning function, ensure that the positioning of feed screw nut
Precision, then by the inclination angle of interlayer block adjusting rolling bearing, it is bonded the mounting ring of rolling bearing always with the first external screw thread, from
And screw rod ontology is further improved to the thrust of rolling bearing, threaded hole is offered on the bottom side inner wall of installation cavity, jackscrew is logical
It crosses threaded hole and pretightning force is implemented to interlayer block, it is ensured that the rolling bearing in thread bush is dislocatedly distributed, and will not shake, to screw rod
Ontology generates fixed function；
The utility model structure is simple, can run smoothly when rolling bearing screw pair needs high speed feed, revolving speed
Height ensure that the running environment of rolling bearing screw pair, extend its service life, meet the demand of people.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of high-speed silent rolling bearing screw pair structural schematic diagram；
Fig. 2 be the utility model proposes the screw rod ontology of high-speed silent rolling bearing screw pair a kind of connect with thread bush
Structural schematic diagram；
Fig. 3 be the utility model proposes a kind of high-speed silent rolling bearing screw pair rolling bearing structural representation
Figure.
In figure: 1 thread bush, 2 screw rod ontologies, 3 installation cavitys, 4 rolling bearings, 5 interlayer blocks, 6 jackscrews, 7 push slot, 8 assembly
Ring, 9 first external screw threads, 10 bearing inner races, 11 bearing outer rings, 12 dirt-proof boots.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of high-speed silent rolling bearing screw pair, including thread bush 1 and screw rod ontology 2, screw rod ontology 2
It is movably arranged in thread bush 1, the both ends of screw rod ontology 2 all extend to outside thread bush 1, and screw rod ontology 2 is equipped with the first outer spiral shell
Line 9 offers installation cavity 3 on the inner wall of thread bush 1, three and three or more rolling bearings 4 is movably installed in installation cavity 3,
Several interlayer blocks 5 are also folded between rolling bearing 4, one end of screw rod ontology 2 sequentially passes through three and three or more and rolls
Bearing 4 offers multiple threaded holes on the bottom side inner wall of installation cavity 3, jackscrew 6,6 top side of jackscrew is mounted in each threaded hole
It is in contact with the bottom side of interlayer block 5, is offered on the top side inner wall of installation cavity 3 and push slot 7, be located in the middle an axis of rolling
It holds 4 top side to extend to and push in slot 7, rolling bearing 4 includes bearing inner race 10 and bearing outer ring 11,10 activity of bearing inner race
Be socketed on screw rod ontology 2, bearing outer ring 11 is actively socketed on bearing inner race 10, bearing inner race 10 and bearing outer ring 11 it
Between be movably installed with multiple rolling pearls, form mounting ring 8 annular in shape on 10 inner wall of bearing inner race, mounting ring 8 and be located at silk
The first external screw thread 9 in bar body 2 is adapted.
The dirt-proof boot 12 for being located at and rolling pearl two sides, dirt-proof boot 12 are movably installed between bearing inner race 10 and bearing outer ring 11
It is made of rubber material.
The inner wall of thread bush 1 is equipped with the first internal screw thread, the first external screw thread 9 and 1 inner wall of thread bush on screw rod ontology 2
On the first internal screw thread be adapted.
Interlayer block 5 is in the round pie of center opening, and the internal diameter that the outer diameter of interlayer block 5 is less than installation cavity 3 is bonded, interlayer block 5
Center opening diameter be greater than the outer diameter of screw rod ontology 2, the cross section of interlayer block 5 is in isosceles trapezoid, the end face of interlayer block 5 with
Inclination angle between 5 side wall of interlayer block is identical as the inclination angle of screw thread of the first external screw thread 9.
Mounting ring 8 on bearing inner race 10 is cyclic annular raised line.
Mounting ring 8 on bearing inner race 10 is annular recess.
Bearing inner race 10 and the side close to each other of bearing outer ring 11 offer mounting groove, roll pearl and two mounting grooves
It is in contact.
Working principle: when rolling bearing screw rod needs high speed feed, rolling bearing 4 is driven to rotate, and in installation cavity 3
There are three above rolling bearing 4, the inner wall of the bearing inner race 10 of rolling bearing 4 is equipped with mounting ring 8 for installation, and with screw rod sheet
The first external screw thread 9 on body 1 matches, and plays positioning function, ensure that the positioning accuracy of feed screw nut, on screw rod ontology 1
First external screw thread by the cooperation with mounting ring 8 to the thrust in 4 one axial directions of rolling bearing, thus make rolling bearing 4 drive
Nut set 1 does the linear motion of an axial direction, then the inclination angle of rolling bearing 4 is adjusted by interlayer block 5, makes the dress of rolling bearing 4
It is bonded always with ring 8 with the first external screw thread 9, to further improve screw rod ontology 2 to the thrust of rolling bearing 3, installation cavity 3
Bottom side inner wall on offer threaded hole, jackscrew 6 implements pretightning force to interlayer block 5 by threaded hole, it is ensured that thread bush 1
Interior rolling bearing 4 is dislocatedly distributed, and will not shake, and fixed function is generated to screw rod ontology 2, so as to realize precise positioning.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of high-speed silent rolling bearing screw pair, including thread bush (1) and screw rod ontology (2), which is characterized in that the silk
Bar body (2) is movably arranged in thread bush (1), and the both ends of screw rod ontology (2) all extend to thread bush (1) outside, screw rod ontology
(2) the first external screw thread (9) are equipped with, are offered installation cavity (3) on the inner wall of thread bush (1), is movably installed in installation cavity (3)
Three and three or more rolling bearings (4) are also folded with several interlayer blocks (5), screw rod ontology (2) between rolling bearing (4)
One end sequentially pass through three and three or more rolling bearings (4), offer multiple screw threads on the bottom side inner wall of installation cavity (3)
Hole is mounted on jackscrew (6) in each threaded hole, and jackscrew (6) top side is in contact with the bottom side of interlayer block (5), installation cavity (3)
It is offered on the inner wall of top side and pushes slot (7), the top side for being located in the middle a rolling bearing (4), which extends to, to be pushed in slot (7), institute
Stating rolling bearing (4) includes bearing inner race (10) and bearing outer ring (11), and bearing inner race (10) is actively socketed on screw rod ontology (2)
On, bearing outer ring (11) is actively socketed on bearing inner race (10), activity peace between bearing inner race (10) and bearing outer ring (11)
It equipped with multiple rolling pearls, is formed mounting ring annular in shape (8) on bearing inner race (10) inner wall, mounting ring (8) and is located at screw rod
The first external screw thread (9) on ontology (2) is adapted.
2. a kind of high-speed silent rolling bearing screw pair according to claim 1, which is characterized in that the bearing inner race
(10) dirt-proof boot (12) for being located at and rolling pearl two sides is movably installed between bearing outer ring (11), dirt-proof boot (12) is rubber material
Matter is made.
3. a kind of high-speed silent rolling bearing screw pair according to claim 1, which is characterized in that the thread bush (1)
Inner wall be equipped with the first internal screw thread, in first on the first external screw thread (9) and thread bush (1) inner wall on screw rod ontology (2)
Screw thread is adapted.
4. a kind of high-speed silent rolling bearing screw pair according to claim 1, which is characterized in that the interlayer block (5)
In the round pie of center opening, the internal diameter that the outer diameter of the interlayer block (5) is less than installation cavity (3) is bonded, the interlayer block (5)
Center opening diameter is greater than the outer diameter of screw rod ontology (2), and the cross section of the interlayer block (5) is in isosceles trapezoid, the interlayer block
(5) inclination angle between end face and interlayer block (5) side wall is identical as the inclination angle of screw thread of the first external screw thread (9).
5. a kind of high-speed silent rolling bearing screw pair according to claim 1, which is characterized in that the bearing inner race
(10) mounting ring (8) on is cyclic annular raised line.
6. a kind of high-speed silent rolling bearing screw pair according to claim 1, which is characterized in that the bearing inner race
(10) mounting ring (8) on is annular recess.
7. a kind of high-speed silent rolling bearing screw pair according to claim 1, which is characterized in that the bearing inner race
(10) and bearing outer ring (11) side close to each other offers mounting groove, rolls pearl and is in contact with two mounting grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821485277.8U CN208885898U (en) | 2018-09-12 | 2018-09-12 | A kind of high-speed silent rolling bearing screw pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821485277.8U CN208885898U (en) | 2018-09-12 | 2018-09-12 | A kind of high-speed silent rolling bearing screw pair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208885898U true CN208885898U (en) | 2019-05-21 |
Family
ID=66511976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821485277.8U Active CN208885898U (en) | 2018-09-12 | 2018-09-12 | A kind of high-speed silent rolling bearing screw pair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208885898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895132A (en) * | 2018-09-12 | 2018-11-27 | 浙江雷尼摩申精密机械有限公司 | A kind of high-speed silent rolling bearing screw pair |
-
2018
- 2018-09-12 CN CN201821485277.8U patent/CN208885898U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895132A (en) * | 2018-09-12 | 2018-11-27 | 浙江雷尼摩申精密机械有限公司 | A kind of high-speed silent rolling bearing screw pair |
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Address after: 313000 Donglin Town Industrial Functional Zone North District Zhendong road beilishan South Road East, Wuxing District, Huzhou City, Zhejiang Province Patentee after: ZHEJIANG LEINI MOSHEN PRECISION MACHINERY Co.,Ltd. Address before: 313000 industrial zone of Donglin Town, Wuxing District, Huzhou, Zhejiang Patentee before: ZHEJIANG LEINIMOSHEN PRECISION MACHINERY MANUFACTURING Co.,Ltd. |