CN100427783C - Linear rail ball connecting belt - Google Patents
Linear rail ball connecting belt Download PDFInfo
- Publication number
- CN100427783C CN100427783C CNB200510002620XA CN200510002620A CN100427783C CN 100427783 C CN100427783 C CN 100427783C CN B200510002620X A CNB200510002620X A CN B200510002620XA CN 200510002620 A CN200510002620 A CN 200510002620A CN 100427783 C CN100427783 C CN 100427783C
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- CN
- China
- Prior art keywords
- ball
- connecting belt
- ring sleeve
- sleeve portion
- ball connecting
- Prior art date
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/38—Ball cages
- F16C33/3825—Ball cages formed as a flexible belt, e.g. spacers connected by a thin film
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The present invention relates to a linear rail roll-ball connecting belt, and the roll-ball connecting belt is mainly composed of two parts, a connecting part and a ring sleeve part. The present invention is characterized in that the design of the connecting part is in a belt structure, and a plurality of holes capable of containing roll balls are arranged in the connecting part; the ring sleeve part is in a ring structure which is sheathed with the periphery of the holes of the connecting part in a surrounding mode and surrounds the roll balls, a plurality of radial open grooves are arranged on the ring sleeve part which keeps the roll balls, thereby causing the roll-ball connecting belt to have better keeping performance for the roll balls when the roll-ball connecting belt turns and bends, and thereby, the roll balls are difficult to drop out from the roll-ball connecting belt.
Description
Technical field
Linear rail ball connecting belt of the present invention is to use in the line rail, in order to the ball in the line rail is remained in wherein, and makes the collision mutually of adjacent ball, refers in particular to the linear rail ball connecting belt that a kind of pack into easily ball and ball are difficult for dropping.
Background technique
The line rail mainly is to apply on the direction guiding of motion, and because the characteristic that its ball rolls, the resistance that motion is moved reduces, and therefore also can significantly reduce the thrust of actuation movement mechanism, makes motion have good functional characteristics; Generally speaking, the line rail often is used in the mechanism of toolroom machine, electronics, automation equipment, semiconductor equipment etc.
In the online rail, the sense of rotation of two adjacent balls is identical, therefore the line moving direction of two adjacent balls on its point of contact is opposite, thereby having tangible friction generation between two contacted balls on this point of contact, the resistance of line rail is increased, and the sound of friction make the people that unhappy sensation be arranged.For improving the friction problem between ball and ball in the line rail, main way has two kinds at present: a kind of distance member that is to use monomer-type, the distance member of this monomer-type is inserted between the adjacent ball alternately to improve the friction between ball and ball; Take a lot of work but this mode is quite consuming time, and this distance member can cause the stuck phenomenon that refluxes if topple over.
Another kind of then be to use the binding retainer (for example U.S. USP5988883 number, Japan special permission open H05-052217 number or H05-231432 number) of a chain form that ball is remained in wherein, yet present binding retainer, its method that keeps ball is that the spacer block that an external form cooperates the ball external form respectively is set in the front and back of ball moving direction, ball is placed in the restricted quarter of this two spacer block; Yet, the hold mode of both sides engaging spheroid before and after this kind use, the maintenance of two directions before and after ball only has, and when linking the retainer bending, two spacer blocks before and after the ball can be become by the state of parallel symmetry and press from both sides an angle each other, therefore can cause the little the opposing party's opening of the restricted quarter one side's opening of adjacent spaces piece of ccontaining ball big, two sides' opening gap is bigger up and down to link the bigger then ball of the crooked amplitude of retainer; When a side's wherein opening greatly to a certain degree, add that this kind design only keeps in the front and back of ball two directions, then ball is easy to by coming off between two spacer blocks.
Therefore, real necessity that has improvement to progress greatly of the ball holding device in the line rail in the prior art.
Summary of the invention
The line rail comprises slide rail and two main members of slide block, and between is equipped with ball and rolls, and slide rail and slide block can be relatively moved.Linear rail ball connecting belt of the present invention is that a kind of ball that is applied to the line rail keeps structure, and the structure that this linear rail ball connecting belt is one of the forming makes it in the path of whole ball-recirculation motion, can be more continuously and keep smoothly and guide ball and move.
The present invention is designed to a simple configuration with the integrally formed structure of linear rail ball connecting belt, and its main structure is divided into two-part: a junction and most ring sleeve portions.The design major character of joint is a banded structure, which is provided with most holes, this hole along the belt body linear array and can ccontaining ball in wherein; Most ring sleeve portions then in the form of a ring structural ring be located at joint the hole around and surround ball, and with this ring structure maintenance ball, because the design of ring structure, make the structure that maintenance is arranged in hole all around, therefore ball connecting belt has good maintenance performance to ball when turning to bending, makes ball be difficult for dropping out from the hole of ball connecting belt.
Secondly, the ring sleeve portion ring-type of ball connecting belt of the present invention surrounds ball, because of the ball rolling that needs to match with the line rail, so the ball upper and lower in the ball connecting belt need respectively offer exposed region, the ball exposed region angle that this ring sleeve portion is surrounded is designed between 60 °～120 ° scopes, easily demoulding when ball connecting belt is made, and make ball not only insert ball connecting belt easily and keep the performance of ball good.
Moreover, the present invention is the preferable spring function of the ring sleeve portion that linear rail ball connecting belt is provided, and on ring sleeve portion, be provided with several radial flutings, this design makes fluting that ring sleeve portion is separated into several ring set sheets, make the ring sleeve portion structure be easy to the demoulding and the time easily ball is inserted in the ball connecting belt in assembling, for strengthening the spring function of ring sleeve portion, the fluting number of ring sleeve portion can be designed to surpass more than four.
Then, the hole on the joint of ball connecting belt of the present invention can be designed to circular hole because of the profile of ball, and the ring sleeve portion on it can be designed to an annulus to surround ball again.Moreover the inner edge configuration of its ring sleeve portion structure is designed to form along the profile of ball.
In addition, the ring sleeve portion structure that linear rail ball connecting belt of the present invention is adjacent can be designed to the knot that is connected with each other, and also can be designed to be separated each other.Can cut on the ring sleeve portion wherein and establish a plane, the ball that ring sleeve portion is surrounded is exposed and make the thickness of ring set sheet even, and makes this regional ring sleeve portion structure be difficult for interfering with each other with track or slider roll groove.
Further understand feature of the present invention and technology contents for convenience, please consult following relevant embodiments of the present invention in detail, however this mode of execution and graphic only for explanation and with reference to usefulness, but not in order to the present invention is done any restriction.
Description of drawings
Fig. 1 is the top view of ball connecting belt of the present invention;
Fig. 2 is the A-A generalized section of Fig. 1;
Fig. 3 is another embodiment's of a ball connecting belt of the present invention top view;
Fig. 4 is the B-B generalized section of Fig. 3;
Fig. 5 is ball connecting belt the 3rd an embodiment's of the present invention top view;
Fig. 6 is Fig. 5 C-C generalized section.
Embodiment
Fig. 1 is the top view of ball connecting belt of the present invention; Fig. 2 is the A-A generalized section of Fig. 1; Wherein the structure of ball connecting belt 10 consists predominantly of the banded joint 11 and the ring sleeve portion 12 of ring-type, most balls 20 place the circular hole 111 of the joint 11 of ball connecting belt 10 along the belt body linear array, around circular hole 111, be provided with the ring sleeve portion 12 of ring structure, ring sleeve portion 12 is 360 ° around circular hole 111, in the heart exposed angle is θ 1 in the inner edge of the top of ring sleeve portion 12 and the ball 20, and in the heart exposed angle is θ 2 in the inner edge of the below of ring sleeve portion 12 and the ball 20, keeps ball 20 with the ring structure of ring sleeve portion 12.If when exposed angle theta 1 and θ 2 were too big, then ball 20 broke away from from circular hole 111 easily; And if exposed angle theta 1 and θ 2 are too little, then ball 20 is difficult to fill in the circular hole 111, and ball connecting belt also is difficult for the demoulding, desirable exposed angle theta 1 and θ 2 scopes can be opened between 60 °～120 °, to reach simultaneously that the easy demoulding of ball connecting belt, ball 20 is difficult for breaking away from and ball 20 is filled in multiple advantage in the circular hole 111 easily from circular hole 111.On ring sleeve portion 12, be provided with several radial flutings 13, the side of each is provided with eight flutings 13 in the present embodiment, the ring sleeve portion 12 of this side is separated into eight ring set sheets 121, makes ring sleeve portion 12 structures be easy to the demoulding and the time easily ball 20 is inserted in the ball connecting belt 10 in assembling; In order to reach the spring function of strengthening ring sleeve portion, the fluting number design of ring sleeve portion is being good more than four.Ring sleeve portion 12 structural designs that this embodiment is adjacent are the knot that is connected with each other, be connected with each other as the adjacent ring set sheet 121 in Fig. 2 joint 11 tops and below and become the structure of one, can save the distance between the adjacent ring sleeve portion 12, make the circular hole 111 and ring sleeve portion 12 quantity of equal length ball connecting belt 10 can be more, and can insert more ball 20.
Fig. 3 is another embodiment's of a ball connecting belt of the present invention top view; Fig. 4 is Fig. 3 B-B generalized section; Wherein the main structure of ball connecting belt 10 comprises joint 11 and ring sleeve portion 12 equally, also has circular hole 111 on the joint 11, around circular hole 111, be provided with the ring sleeve portion 12 of ring structure equally, ring structure with ring sleeve portion 12 keeps ball 20, and on ring sleeve portion 12, be provided with several radial flutings 13, make ring sleeve portion 12 be separated into several ring set sheets 121.This embodiment and last embodiment's difference is that adjacent ring sleeve portion 12 structural designs are for being separated each other, be separated each other to independently constructing as the adjacent ring set sheet 121 in Fig. 4 joint 11 tops and below, except saving the space, also can increase the bending properties of ball connecting belt 10 integral body.Moreover this embodiment cuts on ring sleeve portion 12 and is provided with a plane 122, and the ball 20 that ring sleeve portion 12 is surrounded is exposed, and makes the thickness of ring set sheet 121 even, can make this regional ring sleeve portion 12 be difficult for interfering with each other with track or slider roll groove; Certainly, plane 122 structural designs in the present embodiment also can use among first embodiment.
Fig. 5 is ball connecting belt the 3rd an embodiment's of the present invention top view; Fig. 6 is the C-C generalized section of Fig. 5; This embodiment can be applicable to need not to load the ball connecting belt of too many ball, wherein circular hole 111 distance to each other on the joint 11 of ball connecting belt 10 is bigger, around circular hole 111, be provided with the ring sleeve portion 12 of ring structure equally, ring structure with ring sleeve portion 12 keeps ball 20, and ring sleeve portion 12 is provided with several radial flutings 13, make ring sleeve portion 12 be separated into several ring set sheets 121, on ring sleeve portion 12, cut again and be provided with a plane 122.And this embodiment's characteristics are that the distance of adjacent circular holes 111 is bigger, make 12 of adjacent ring sleeve portions not contact each other, and have a segment distance to separate, so embodiment's ball connecting belt 10 can reach better bending properties.
Claims (9)
1, a kind of linear rail ball connecting belt, it can be inserted wherein for most balls, it is characterized in that this structure mainly comprises:
Joint is a banded structure, which is provided with most along the belt body linear array and hole that can ccontaining described ball;
Ring sleeve portion, ring-type is convexly equipped with around the hole of above-mentioned joint, and its inner rim is that profile along described ball forms and surrounds described ball, and is provided with several with respect to the radial fluting of ball on each ring sleeve portion.
2, linear rail ball connecting belt as claimed in claim 1, fluting wherein is separated into several ring set sheets with ring sleeve portion.
3, linear rail ball connecting belt as claimed in claim 1 or 2, the wherein adjacent ring sleeve portion structure knot that is connected with each other.
4, linear rail ball connecting belt as claimed in claim 1 or 2, wherein adjacent ring sleeve portion structure is separated each other.
5, linear rail ball connecting belt as claimed in claim 1 or 2, ring sleeve portion wherein is provided with a plane.
6, linear rail ball connecting belt as claimed in claim 1 or 2, wherein the ball exposed region angle that is surrounded by ring sleeve portion is 60 °～120 °.
7, linear rail ball connecting belt as claimed in claim 1 or 2, wherein the hole of joint is a circular hole.
8, linear rail ball connecting belt as claimed in claim 1 or 2, wherein ring sleeve portion is that an annulus surrounds described ball.
9, linear rail ball connecting belt as claimed in claim 1 or 2, wherein the fluting number of ring sleeve portion reaches more than four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510002620XA CN100427783C (en) | 2005-01-24 | 2005-01-24 | Linear rail ball connecting belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510002620XA CN100427783C (en) | 2005-01-24 | 2005-01-24 | Linear rail ball connecting belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1811210A CN1811210A (en) | 2006-08-02 |
| CN100427783C true CN100427783C (en) | 2008-10-22 |
Family
ID=36844286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200510002620XA Active CN100427783C (en) | 2005-01-24 | 2005-01-24 | Linear rail ball connecting belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100427783C (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0552217A (en) * | 1991-08-22 | 1993-03-02 | T H K Kk | Ball chain |
| CN1149679A (en) * | 1995-10-27 | 1997-05-14 | 唐秉盛 | Ball bearing and its assembling method |
| JP2001105461A (en) * | 1999-10-07 | 2001-04-17 | Sanshu Fine Tool:Kk | Method for forming connecting belt for connecting rolling elements, and forming mold used for the method |
| CN1297516A (en) * | 1998-03-20 | 2001-05-30 | Skf工程研究中心公司 | Cage for ball bearing, and ball bearing comprising such cage |
| CN1392349A (en) * | 2001-06-19 | 2003-01-22 | 上银科技股份有限公司 | Ball connector |
| CN1501005A (en) * | 2002-11-15 | 2004-06-02 | Ntn��ʽ���� | Resin keeper for rolling bearing |
-
2005
- 2005-01-24 CN CNB200510002620XA patent/CN100427783C/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0552217A (en) * | 1991-08-22 | 1993-03-02 | T H K Kk | Ball chain |
| CN1149679A (en) * | 1995-10-27 | 1997-05-14 | 唐秉盛 | Ball bearing and its assembling method |
| CN1297516A (en) * | 1998-03-20 | 2001-05-30 | Skf工程研究中心公司 | Cage for ball bearing, and ball bearing comprising such cage |
| JP2001105461A (en) * | 1999-10-07 | 2001-04-17 | Sanshu Fine Tool:Kk | Method for forming connecting belt for connecting rolling elements, and forming mold used for the method |
| CN1392349A (en) * | 2001-06-19 | 2003-01-22 | 上银科技股份有限公司 | Ball connector |
| CN1501005A (en) * | 2002-11-15 | 2004-06-02 | Ntn��ʽ���� | Resin keeper for rolling bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1811210A (en) | 2006-08-02 |
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| C14 | Grant of patent or utility model | ||
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