CN216895368U

CN216895368U - Flange linear bearing

Info

Publication number: CN216895368U
Application number: CN202123363071.2U
Authority: CN
Inventors: 胡显达
Original assignee: Lishui Yinshang Guide Rail Co ltd
Current assignee: Zhejiang Yinshang Guide Rail Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-07-05
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to a flange linear bearing, which comprises a bearing body and a fixed flange fixedly connected to the lower end of the bearing body, wherein the upper end and the lower end of the inner side of the bearing body are respectively provided with a positioning groove, the front end of each positioning groove is provided with a positioning hole on the bearing body, a sliding ring is arranged in the bearing body, the upper end and the lower end of the outer side of the sliding ring are respectively and fixedly connected with a positioning block, the positioning blocks are positioned in the positioning grooves, the front ends of the outer sides of the positioning blocks are fixedly connected with positioning columns, the positioning columns are positioned in the positioning holes, and the two positioning blocks are matched with the two positioning grooves.

Description

Flange linear bearing

Technical Field

The utility model relates to the technical field of linear bearings, in particular to a flange linear bearing.

Background

The linear bearing is a linear motion system, is used for the linear stroke to use with the cylindrical shaft cooperation, because bear ball and bearing outer sleeve point contact, the steel ball rolls with minimum frictional resistance, therefore linear bearing has the friction little, and more stable, does not change along with bearing speed, can obtain the steady linear motion that sensitivity is high, the precision is high, although prior art can realize normal use, but prior art vibration and noise are great when high-speed motion.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a flange linear bearing which is low in noise and good in stability.

The utility model adopts the technical scheme for solving the technical problems that: this kind of flange linear bearing, including the bearing body, the mounting flange of fixed connection at the bearing body lower extreme, the constant head tank has all been opened at both ends about the bearing body inboard, the locating hole on the bearing body is opened to the constant head tank front end, install the slip ring in the bearing body, both ends all fixedly connected with locating piece about the slip ring outside, the locating piece is located the constant head tank, locating piece outside front end fixedly connected with reference column, the reference column is located the locating hole, be equipped with two locating pieces and two locating groove looks adaptations, not only can the automated inspection error, make the bearing body more accurate with the cooperation of slip ring, and can restrict each other, it is too big to avoid the clearance between constant head tank and the locating piece, and make linear bearing produce and rock, destroy the stability of whole flange bearing, lead to unable normal use.

For further improvement, the inner side of the sliding ring is provided with a plurality of grooves which are uniformly distributed at equal intervals, so that the contact area is reduced, the friction force is reduced, and the sliding ring slides more smoothly.

Further perfection, open at the slip ring rear end has logical groove for the slip ring installation is more convenient.

Further perfection, the right-angle joint of the sliding ring is provided with a chamfer, and stress concentration is reduced.

Further perfection, the left side and the right side of the upper end of the bearing body are provided with fixing grooves, the fixing grooves are connected with connecting blocks in a sliding manner, the outer sides of the connecting blocks are fixedly connected with moving flanges, the outer sides of the fixing grooves are provided with positioning clamping grooves formed in the middle bearing body, the outer sides of the connecting blocks are provided with mounting grooves, the mounting grooves are connected with clamping blocks in a sliding manner, the clamping blocks are connected in the clamping grooves in a sliding manner, the lower ends of the clamping blocks are provided with rounded corners, one ends of the clamping blocks, far away from the clamping grooves, are fixedly connected with one ends of springs, the other ends of the springs are fixedly connected with the connecting blocks, when the double-flange linear bearing is needed, the connecting blocks only need to slide into the fixing grooves, the clamping blocks are clamped into the positioning clamping grooves, the moving flanges can be installed on the bearing body, the application range of the double-flange linear bearing is wider, the upper ends of the clamping blocks are planar, the clamping blocks can not move into the positioning clamping grooves, the fixing effect of the moving flanges is good, and the springs can also play a damping role, the use effect of the bearing is better.

Further perfect, the positioning groove lower extreme is equipped with the groove of sliding of opening on the bearing body, the groove width of sliding is less than the positioning groove width, sliding connection has the push rod in the groove of sliding, the groove lower extreme of sliding is equipped with the spout of opening on the bearing body, push rod lower extreme fixedly connected with ejector pad, ejector pad sliding connection is in the spout, upwards promote the ejector pad, the ejector pad promotes the push rod rebound, the push rod promotes the fixture block, make the fixture block keep away from the draw-in groove, can pull down the flange this moment, make the bearing use more convenient, the groove width of sliding is less than the positioning groove width, can avoid influencing the positioning accuracy of fixture block.

Further perfect, slider outside fixedly connected with sand grip, sand grip have a plurality of and equidistance evenly distributed for it is more convenient to promote the ejector pad.

Further perfect, the groove outside of sliding all is equipped with the screw hole of opening on the bearing body, and threaded hole female connection has the screw, avoids the push rod maloperation.

Further perfect, both ends all fixedly connected with stopper around the fixture block, both ends all are equipped with the spacing groove of opening on the connecting block around the mounting groove, and stopper sliding connection avoids the fixture block roll-off mounting groove in the spacing inslot.

The utility model has the beneficial effects that: the double-flange linear bearing is small in noise and good in stability, the two positioning blocks are matched with the two positioning grooves, errors can be automatically detected, the bearing body and the sliding ring are matched more accurately, the mutual restriction can be realized, the phenomenon that the linear bearing shakes due to the fact that the gap between the positioning grooves and the two positioning blocks is too large, the stability of the whole flange bearing is damaged, and the flange bearing cannot be normally used is avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the slip ring of the present invention;

FIG. 3 is a schematic view of a bearing body according to the present invention;

FIG. 4 is a schematic structural view of the present invention;

FIG. 5 is a cross-sectional view of the present invention;

FIG. 6 is an enlarged view taken at A of FIG. 5 in accordance with the present invention;

fig. 7 is a right sectional view of the glide groove of the present invention.

Description of reference numerals: 1. a bearing body; 11. positioning a groove; 12. positioning holes; 13. fixing grooves; 131. positioning the clamping groove; 14. a sliding groove; 141. a push rod; 142. a threaded hole; 143. a screw; 15. a chute; 151. pushing a block; 152. a convex strip; 2. a slip ring; 21. positioning blocks; 22. a positioning column; 23. a groove; 24. a through groove; 3. a fixed flange; 4. moving the flange; 41. connecting blocks; 411. mounting grooves; 412. a limiting groove; 413. a spring; 414. a clamping block; 415. and a limiting block.

Detailed Description

The utility model will be further described with reference to the accompanying drawings in which:

as shown in fig. 1-3: the embodiment of the utility model relates to a flange linear bearing, including bearing body 1, fixed connection is at the mounting flange 3 of 1 lower extreme of bearing body, locating slot 11 has all been opened at both ends about the 1 inboard of bearing body, locating hole 12 on bearing body 1 is opened to locating slot 11 front end, install slip ring 2 in the bearing body 1, both ends are all fixedly connected with locating piece 21 about the 2 outsides of slip ring, locating piece 21 is located locating slot 11, locating piece 21 outside front end fixedly connected with reference column 22, reference column 22 is located locating

hole

12, 2 inboard division of slip ring have recess 23, recess 23 has a plurality of and equidistance evenly distributed, it has logical groove 24 to open 2 rear ends of slip ring, 2 right angle junctions of slip ring are equipped with the chamfer.

As shown in fig. 4-7: the left side and the right side of the upper end of the bearing body 1 are both provided with a fixed groove 13, the fixed groove 13 is connected with a connecting block 41 in a sliding way, the outer side of the connecting block 41 is fixedly connected with a moving flange 4, the outer side of the fixed groove 13 is provided with a positioning clamping groove 131 arranged on the middle bearing body 1, the outer side of the connecting block 41 is provided with a mounting groove 411, the mounting groove 411 is connected with a clamping block 414 in a sliding way, the clamping block 414 is connected in the clamping groove in a sliding way, the lower end of the clamping block 414 is provided with a chamfered angle, one end of a spring 413 is fixedly connected with one end of the clamping groove, the other end of the spring 413 is fixedly connected on the connecting block 41, the front end and the rear end of the clamping block 414 are both fixedly connected with limiting blocks 415, the front end and the rear end of the mounting groove 411 are both provided with limiting grooves 412 arranged on the connecting block 41, the lower end of the positioning clamping groove 131 is provided with a sliding groove 14 arranged on the bearing body 1, the width of the sliding groove 14 is smaller than the width of the positioning clamping groove 131, the sliding groove 14 is connected with a push rod 141 in the sliding way, the lower extreme of groove 14 that slides is equipped with spout 15 of opening on bearing body 1, push rod 141 lower extreme fixedly connected with ejector pad 151, ejector pad 151 sliding connection in spout 15, ejector pad 151 outside fixedly connected with sand grip 152, sand grip 152 have a plurality of and equidistance evenly distributed, slide the groove 14 outside and all be equipped with the screw hole 142 of opening on bearing body 1, screw hole 142 female connection has screw 143.

When the utility model is used: put into the bearing body 1 with the slip ring 2, make two upper and lower locating pieces 21 respectively with two upper and lower constant head tank 11 location, make two upper and lower reference columns 22 respectively with two upper and lower locating hole 12 location, install the bearing the position that needs can, when needs double flange linear bearing, slide connecting block 41 in the fixed slot 13, fixture block 414 card goes into in the positioning channel section 131, mounting of moving flange 4 finishes, when needs are dismantled moving flange 4, only need upwards promote ejector pad 151, ejector pad 151 promotes push rod 141, push rod 141 promotes fixture block 414 and keeps away from the draw-in groove, can pull down moving flange 4.

While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides a flange linear bearing, includes bearing body (1), fixed connection at mounting flange (3) of bearing body (1) lower extreme, characterized by: locating slot (11) have all been opened at both ends about bearing body (1) inboard, locating slot (12) on bearing body (1) are opened to locating slot (11) front end, install slip ring (2) in bearing body (1), both ends are all fixedly connected with locating piece (21) about slip ring (2) outside, and locating piece (21) are located locating slot (11), and locating piece (21) outside front end fixedly connected with reference column (22), and reference column (22) are located locating hole (12).

2. A flanged linear bearing according to claim 1, wherein: the inner side of the sliding ring (2) is provided with a plurality of grooves (23), and the grooves (23) are uniformly distributed at equal intervals.

3. A flanged linear bearing according to claim 1, wherein: the rear end of the sliding ring (2) is provided with a through groove (24).

4. A flanged linear bearing according to claim 1, wherein: and a chamfer is arranged at the right-angle joint of the sliding ring (2).

5. A flanged linear bearing according to claim 1, wherein: fixed slot (13) have all been opened to the bearing body (1) upper end left and right sides, sliding connection has connecting block (41) in fixed slot (13), connecting block (41) outside fixedly connected with flange (4), fixed slot (13) outside is equipped with positioning channel groove (131) of opening on well bearing body (1), open in connecting block (41) outside has mounting groove (411), sliding connection has fixture block (414) in mounting groove (411), fixture block (414) sliding connection is in the draw-in groove, fixture block (414) lower extreme is equipped with the radius angle, the one end of draw-in groove one end fixedly connected with spring (413) is kept away from in fixture block (414), the other end fixed connection of spring (413) is on connecting block (41).

6. A flanged linear bearing according to claim 5, wherein: positioning groove (131) lower extreme is equipped with and opens sliding groove (14) on bearing body (1), and sliding groove (14) width is less than positioning groove (131) width, and sliding connection has push rod (141) in sliding groove (14), and sliding groove (14) lower extreme is equipped with spout (15) of opening on bearing body (1), push rod (141) lower extreme fixedly connected with ejector pad (151), and ejector pad (151) sliding connection is in spout (15).

7. A flanged linear bearing according to claim 6, wherein: ejector pad (151) outside fixedly connected with sand grip (152), sand grip (152) have a plurality of and equidistance evenly distributed.

8. A flanged linear bearing according to claim 6, wherein: the outer side of the sliding groove (14) is provided with a threaded hole (142) formed in the bearing body (1), and the threaded hole (142) is internally connected with a screw (143).

9. A flanged linear bearing according to claim 5, wherein: both ends all fixedly connected with stopper (415) around fixture block (414), mounting groove (411) both ends are equipped with spacing groove (412) of opening on connecting block (41) around, and stopper sliding connection is in spacing groove (412).