CN109812499A - A kind of dismountable linear bearing - Google Patents
A kind of dismountable linear bearing Download PDFInfo
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- CN109812499A CN109812499A CN201910099354.9A CN201910099354A CN109812499A CN 109812499 A CN109812499 A CN 109812499A CN 201910099354 A CN201910099354 A CN 201910099354A CN 109812499 A CN109812499 A CN 109812499A
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- frame body
- groove
- housing
- linear bearing
- dismountable
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- 230000001771 impaired effect Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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- Bearings For Parts Moving Linearly (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention relates to a kind of dismountable linear bearings, are installed on guide rail, it includes: housing, are socketed on outside guide rail, and housing has foundation ring, be distributed on foundation ring it is several be spliced into cricoid sheet body, every block piece body is rotatably connected with foundation ring；Keep frame body, be installed in housing, keeping frame body as the aforementioned includes: the first frame body, and the number such as sheet body and correspond, each first frame body with its corresponding to sheet body slidable connection；Second frame body is mutually folded with the first frame body and can be rotated around the tie point of itself and the first frame body；Groove that groove is opened on the first frame body and the second frame body respectively, and is opened on the first frame body and the second frame body etc. is counted and is corresponded to；Ball is installed in groove and can roll in groove.The technical program can carry out quick-replaceable, lower production costs to impaired ball, and stability is good at runtime, will not generate high vibration.
Description
Technical field
The present invention relates to technical field of bearings, specifically be a kind of dismountable linear bearing.
Background technique
Linear bearing is a kind of linear motion system, is used cooperatively for rectilinear path and cylindrical shaft.Due to bearing ball with
Bearing outside point contact, steel ball are rolled with the smallest frictional resistance, therefore linear bearing has friction small and more stable, no
Change with bearing speed, high sensitivity, steady linear motion with high accuracy can be obtained.Linear bearing consumption also has its limitation
Property, most importantly bearing impact load-carrying ability is poor, and bearing capacity is also poor, and secondly linear bearing shakes in high-speed motion
Dynamic and noise is larger.The fast easily excellent automation type selecting of linear bearing is included.Linear bearing is widely used in precision machine tool, weaving loom
The slide unit of the industrial machineries such as tool, food packing machine, printing machinery.
Currently, existing linear bearing can not usually be dismantled and can generate vibration and noise when in use, for a long time
Using being easy to cause ball with guide rail and being damaged with the contact surface of housing, linear bearing be will be unable to just if ball damage
Often operation, needs replacing entire linear bearing, high production cost, therefore designs that a kind of stability is good and demountable straight line
Bearing is necessary.
Summary of the invention
For above situation, for the defect for overcoming the above prior art, the object of the present invention is to provide one kind can be to impaired
Ball carries out quick-replaceable, lower production costs, and stability is good at runtime, will not generate the linear bearing of high vibration.
To achieve the goals above, the technical solution of the invention is as follows:
A kind of dismountable linear bearing, is installed on guide rail, it includes:
Housing is socketed on outside guide rail, and housing has foundation ring, be distributed on foundation ring it is several be spliced into cricoid sheet body, every piece
Sheet body is rotatably connected with foundation ring；
Frame body is kept, is installed in housing,
As preceding holding frame body includes:
First frame body, and the number such as sheet body and corresponds, each first frame body with its corresponding to sheet body slidably
Connection；
Second frame body is mutually folded with the first frame body and can be rotated around the tie point of itself and the first frame body；
Groove is opened in respectively on the first frame body and the second frame body, and is opened in recessed on the first frame body and the second frame body
Slot etc. is counted and is corresponded to；
Ball is installed in groove and can roll in groove.
As preferably, foundation ring is two, and is divided into the both ends of sheet body.
As the groove preferably, being opened on the first frame body in pre-small post-large shape.
As the groove preferably, being opened on the second frame body in pre-large post-small shape.
As preferably, the first frame body is equipped with away from one end of itself and the second frame body tie point to the second frame of clamping
The buckle of body.
As preferably, puts on outside and bearing protecting jacket is installed.
Compared with the prior art, the advantages of the present invention are as follows:
Housing by foundation ring and it is several constitute cricoid sheet body and form, sheet body both ends are rotatable to be connect with foundation ring, sheet body
Inner wall slidable connection has the first frame body for keeping frame body, folds on the first frame body and is equipped with the second frame body, the first frame body and the second frame
Open up fluted on body, one end is increased or decreased to the other end without leave in the groove being opened on the first frame body, corresponding to open
One end is decreased or increased to the other end without leave in the groove on the second frame body, and ball is installed in groove, the second frame body one
End is rotatably connected by shaft and the first frame body, and the other end need to touch sheet body by buckle clamping, sheet body rotate take advantage of a situation by
Keep frame body be exposed in the visual field, sliding the first frame body simultaneously rotate the second frame body, by ball along the groove on the first frame body to
The smaller one end of internal diameter rolls, and so as the contact area for rolling itself and groove of ball is gradually reduced, user can take easily
Lower ball simultaneously replaces impaired ball, and whole process is efficient and convenient, and cost is relatively low, reasonable in design.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the corresponding schematic diagram of internal structure after sheet body rotation of the invention；
Fig. 3 is the structural schematic diagram of the first frame body of the invention；
Fig. 4 is the structural schematic diagram of the second frame body of the invention.
It is as shown in the figure:
1 housing, 2 foundation rings, 3 sheet bodies, 4 keep frame body, and 5 first frame bodies, 6 grooves, 7 balls, 8 second frame bodies, 9 buckle, and 10
Bearing protecting jacket.
Specific embodiment
Invention is further described in detail in the following with reference to the drawings and specific embodiments,
As depicted in figs. 1 and 2, a kind of dismountable linear bearing, is installed on guide rail, linear bearing include: housing 1,
Frame body 4 and ball 7, housing 1 is kept to be set in outside guide rail, housing 1 has foundation ring 2, and several splicings are distributed on foundation ring 2 circlewise
Sheet body 3,
Wherein, foundation ring 2 is two, and the both ends that two foundation rings 2 are divided into 3 both ends of sheet body and sheet body 3, which pass through shaft, to be turned
Dynamic is installed on foundation ring 2.
As Fig. 2, Fig. 3 and and scholar 4 shown in, keep frame body 4 have the first frame body 5 and the second frame body 8, the first frame body
5 with the equal numbers of sheet body 3 and one-to-one correspondence, the first frame body 5 with its corresponding to 3 slidable connection of sheet body, the second frame body 8 and first
Frame body 5 is mutually folded to be set and can rotate around the tie point of itself and the first frame body 5.
As shown in Figure 3 and Figure 4, fluted 6 are opened up on the first frame body 5 and the second frame body 8, is opened in 5 He of the first frame body
Groove 6 on second frame body 8 is that several and quantity are equal and corresponding.
As shown in Figure 3 and Figure 4, wherein be opened in groove 6 on the first frame body 5 in pre-small post-large shape, be opened in the
Groove 6 on two frame bodies 8 is in pre-large post-small shape, i.e. the internal diameter of groove 6 on the first frame body 5 is compared with big end and the second frame body 8
On groove 6 internal diameter small end it is corresponding, the internal diameter small end of the groove 6 on the first frame body 5 and the groove 6 on the second frame body 8
Internal diameter it is corresponding compared with big end.
Ball 7 is installed in groove 6 and can roll in groove 6, in general, ball 7 is installed on the groove of the first frame body 5
In the larger one end of 6 internal diameter, meanwhile, one section of ball 7 extends in the internal diameter small end of the groove 6 on the second frame body 8, so that
First frame body 5 limits ball 7 with the second frame body 8, and ball 7 respectively constitutes rolling and connect with guide rail and 1 wall of housing at this time
Contacting surface, so certifiable ball 7 remain balance when rolling.
Wherein, the first frame body 5 is equipped with away from one end of itself and 8 tie point of the second frame body to the second frame body of clamping 8
Buckle 9, in linear bearing operation, the second frame body 8 is remained between the two by 5 clamping of the buckle 9 and the first frame body
Ball it is relatively fixed, prevent ball 7 roll when generate violent high vibration.
As shown in Figure 1, wherein bearing protecting jacket 10 is installed outside housing 1, bearing protecting jacket 10 can prevent linear bearing from existing
Because other external force make sheet body 3 rotate when operation.
Since ball 7 needs long-term rolling operation, ball 7 is easy to produce vibration and it is with guide rail and housing 1 connects
Contacting surface be easy to cause damage, and to carry out replacing unusual inconvenience to the ball 7 of damage, which solves problem above
In conjunction with Fig. 1, Fig. 2, Fig. 3 and Fig. 4, specifically, user, which removes, first is installed on when carrying out the replacement of ball 7
Outermost bearing protecting jacket 10 touches any sheet body 3 later, due to being rotatably connected between sheet body 3 and foundation ring 2, therefore touches piece
The sheet body 3 being accessible after body 3 can rotate, and the holding frame body 4 connecting with sheet body 3 also rotates with, and user is sliding later
Dynamic first frame body 5, the first frame body 5 drive the second frame body 8 to slide axially along sheet body, and user opens buckle 10 later, due to the
Two frame bodies 8 and the first frame body 5 are rotatablely connected, and ball 7 is installed between the first frame body 5 and the groove 6 of the second frame body 8, and user turns
Dynamic second frame body 8 is allowed to separate with ball 7, and user rolls ball 7 later, by ball 7 along 6 internal diameter of groove of the first frame body
Smaller one end rolls, and so as the contact area for rolling itself and groove 6 of ball 7 is gradually reduced, user can remove easily
Ball 7 simultaneously replaces impaired ball 7, and whole process is efficient and convenient, and cost is relatively low.
The above embodiments and description only illustrate the principle of the present invention and most preferred embodiment, is not departing from this
Under the premise of spirit and range, various changes and improvements may be made to the invention, these changes and improvements both fall within requirement and protect
In the scope of the invention of shield.
Claims (6)
1. a kind of dismountable linear bearing, is installed on guide rail, which is characterized in that it includes:
Housing (1), is socketed on outside the guide rail, and the housing (1) has foundation ring (2), and several spellings are distributed on the foundation ring (2)
It is connected into cricoid sheet body (3), every piece of sheet body (3) is rotatably connected with the foundation ring (2)；
It keeps frame body (4), is installed in the housing (1),
It is foregoing to keep frame body (4) include:
First frame body (5), and the number such as the sheet body and corresponds, each first frame body with its corresponding to sheet body
Slidable connection；
Second frame body (8) is mutually folded with first frame body (5) and can be rotated around the tie point of itself and first frame body (5)；
Groove (6) is opened in respectively on first frame body (5) and the second frame body (8), and is opened in the first frame body (5) and
Groove (6) on two frame bodies (8) etc. is counted and is corresponded to；
Ball (7) is installed in the groove (6) and can roll in the groove (6).
2. a kind of dismountable linear bearing according to claim 1, which is characterized in that the foundation ring (2) is two, and
It is divided into the both ends of the sheet body (3).
3. a kind of dismountable linear bearing according to claim 1, which is characterized in that be opened in first frame body
(5) groove (6) on is in pre-small post-large shape.
4. a kind of dismountable linear bearing according to claim 1, which is characterized in that be opened in second frame body
(8) groove (6) on is in pre-large post-small shape.
5. a kind of dismountable linear bearing according to claim 6, which is characterized in that first frame body (5) is deviated from
One end of itself and the second frame body (8) tie point is equipped with the buckle (9) to the second frame body (8) described in clamping.
6. a kind of dismountable linear bearing according to claim 1, which is characterized in that be equipped on the housing (1)
Bearing protecting jacket (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910099354.9A CN109812499B (en) | 2019-01-31 | 2019-01-31 | Detachable linear bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910099354.9A CN109812499B (en) | 2019-01-31 | 2019-01-31 | Detachable linear bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109812499A true CN109812499A (en) | 2019-05-28 |
| CN109812499B CN109812499B (en) | 2024-04-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910099354.9A Active CN109812499B (en) | 2019-01-31 | 2019-01-31 | Detachable linear bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109812499B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431857A (en) * | 2020-10-12 | 2021-03-02 | 宁波美亚特精密传动部件有限公司 | Linear bearing applicable to square tube |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1507570A (en) * | 1974-11-15 | 1978-04-19 | Skf Ind Trading & Dev | Recirculating-ball mechanism |
| US4444443A (en) * | 1982-02-12 | 1984-04-24 | Hiroshi Teramachi | Unlimited sliding ball bearing spline assembly |
| CN2692406Y (en) * | 2004-04-20 | 2005-04-13 | 丽水市新亿特轴承有限公司 | Linear bearing |
| JP2006010029A (en) * | 2004-06-29 | 2006-01-12 | Koyo Seiko Co Ltd | Linear bearing device |
| CN201925343U (en) * | 2010-12-16 | 2011-08-10 | 张迪科 | Linear bearing |
| CN202790103U (en) * | 2012-09-28 | 2013-03-13 | 宁波三泰轴承有限公司 | Linearly moving bearing |
| CN103815683A (en) * | 2014-03-26 | 2014-05-28 | 雅固拉国际精密工业(苏州)有限公司 | Ball retaining frame |
| CN106763176A (en) * | 2016-12-28 | 2017-05-31 | 贵州虹轴轴承有限公司 | A kind of linear bearing |
| CN208138318U (en) * | 2018-05-04 | 2018-11-23 | 丽水市精锐轴承制造有限公司 | A kind of copper sheathing linear bearing |
| CN209908990U (en) * | 2019-01-31 | 2020-01-07 | 宁波恒力汽配轴承有限公司 | Detachable linear bearing |
-
2019
- 2019-01-31 CN CN201910099354.9A patent/CN109812499B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1507570A (en) * | 1974-11-15 | 1978-04-19 | Skf Ind Trading & Dev | Recirculating-ball mechanism |
| US4444443A (en) * | 1982-02-12 | 1984-04-24 | Hiroshi Teramachi | Unlimited sliding ball bearing spline assembly |
| CN2692406Y (en) * | 2004-04-20 | 2005-04-13 | 丽水市新亿特轴承有限公司 | Linear bearing |
| JP2006010029A (en) * | 2004-06-29 | 2006-01-12 | Koyo Seiko Co Ltd | Linear bearing device |
| CN201925343U (en) * | 2010-12-16 | 2011-08-10 | 张迪科 | Linear bearing |
| CN202790103U (en) * | 2012-09-28 | 2013-03-13 | 宁波三泰轴承有限公司 | Linearly moving bearing |
| CN103815683A (en) * | 2014-03-26 | 2014-05-28 | 雅固拉国际精密工业(苏州)有限公司 | Ball retaining frame |
| CN106763176A (en) * | 2016-12-28 | 2017-05-31 | 贵州虹轴轴承有限公司 | A kind of linear bearing |
| CN208138318U (en) * | 2018-05-04 | 2018-11-23 | 丽水市精锐轴承制造有限公司 | A kind of copper sheathing linear bearing |
| CN209908990U (en) * | 2019-01-31 | 2020-01-07 | 宁波恒力汽配轴承有限公司 | Detachable linear bearing |
Non-Patent Citations (1)
| Title |
|---|
| 田启文;张静;王全任;: "一种分体式直线分离轴承设计", 汽车零部件, no. 12, 28 December 2014 (2014-12-28) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431857A (en) * | 2020-10-12 | 2021-03-02 | 宁波美亚特精密传动部件有限公司 | Linear bearing applicable to square tube |
| CN112431857B (en) * | 2020-10-12 | 2022-08-19 | 宁波美亚特精密传动部件有限公司 | Linear bearing applicable to square tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109812499B (en) | 2024-04-26 |
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