CN214007777U

CN214007777U - Composite bearing

Info

Publication number: CN214007777U
Application number: CN202022776369.5U
Authority: CN
Inventors: 谯云; 胡丹钦; 范国良
Original assignee: NINGBO PARAGON BEARING CO Ltd; Zhejiang Business Technology Institute
Current assignee: NINGBO PARAGON BEARING CO Ltd; Zhejiang Business Technology Institute
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-08-20
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a composite bearing, comprising an outer ring, be equipped with the inner circle in the outer lane, be equipped with the center ring in the middle of outer lane and the inner circle, be equipped with the balancing unit who is used for the degree of contraction of balanced inner circle and outer lane on the center ring, the utility model discloses a be equipped with balancing unit, can solve traditional bearing when meetting high temperature or low temperature, because inner circle and outer lane are heated inhomogeneous and lead to the different problem of degree of expansion, can effectively solve traditional bearing and cause the extrusion to inside ball when the inner circle inflation is faster than the outer lane, increased the frictional force of ball, influence the rotation of bearing, when the inner circle shrinkage is faster than the outer lane, the ball drops easily, needs assemble the bearing again, takes trouble and laboursome problems.

Description

Composite bearing

Technical Field

The utility model relates to a bearing technical field specifically is a compound bearing.

Background

The bearing is an important part in the modern mechanical equipment, the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the moving process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body, the early linear motion bearing mode is that a row of wooden rods are placed under a row of crow plates, the modern linear motion bearing uses the same working principle, but sometimes uses balls to replace rollers, the simplest rotating bearing is a shaft sleeve bearing which is just a bush clamped between a wheel and a wheel shaft, the design is subsequently replaced by a rolling bearing which is just to replace the original bush by a plurality of cylindrical rollers, each rolling body is like an independent wheel, and a bearing support is needed to be used in the using process of the bearing.

Traditional bearing is when meetting high temperature or low temperature, because inner circle and outer lane are heated inhomogeneously, and the inner circle inflation causes the extrusion to inside ball fast easily than the outer lane, increases the frictional force of ball, influences the rotation of bearing, and the inner circle shrink is fast when the outer lane, and the ball drops easily, needs assemble the bearing again, and it is hard to take trouble, for this, we propose a composite bearing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can solve traditional bearing when meetting high temperature or low temperature, because inner circle and outer lane are heated inhomogeneous and lead to the different problem of inflation degree, can effectively solve traditional bearing and cause the extrusion to inside ball fast easily than the outer lane when the inner circle inflation, the frictional force of ball has been increased, influence the rotation of bearing, when the inner circle shrink is fast than the outer lane, the ball drops easily, need assemble the bearing again, the compound bearing of the hard problem of trouble, with the problem of proposition in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a composite bearing, includes the outer lane, be equipped with the inner circle in the outer lane, be equipped with the center circle in the middle of outer lane and the inner circle, be equipped with the balancing unit who is used for the shrink degree of balanced inner circle and outer lane on the center circle, the utility model discloses a be equipped with balancing unit, can solve traditional bearing when meetting high temperature or low temperature, because inner circle and outer lane are heated inhomogeneous problem that leads to the inflation degree difference, can effectively solve traditional bearing and cause the extrusion to inside ball fast more easily than the outer lane when the inner circle inflation, increased the frictional force of ball, influence the rotation of bearing, when the inner circle shrink is faster than the outer lane, the ball drops easily, needs assemble the bearing again, takes trouble hard problem.

Preferably, the balancing unit includes the outer column, the outer column is equipped with a plurality ofly, and evenly distributed is inboard at the center ring, be equipped with the inner column on the outer column, inner column and outer column sliding connection, the one end that the outer column was kept away from to the inner column is equipped with the fixed block, wear to be equipped with the spring on outer column and the inner column, spring one end is fixed at the center ring inboardly, and the other end is fixed on the fixed block, the one end that the inner column was kept away from to the fixed block is equipped with spherical groove, be equipped with first ball in the spherical groove, first ball is tangent with the inner circle outside, be equipped with supplementary the rotation on the center ring, increase bearing rotation efficiency's auxiliary device for the inflation effect of balanced inner circle and outer lane guarantees the.

Preferably, the auxiliary device includes the second ball, the second ball is equipped with a plurality ofly, and evenly distributed is in the centre circle outside, and is tangent with the centre circle outside, the second ball is inboard tangent with the outer lane, be equipped with the blocking device who is used for preventing the ball slippage on the centre circle, the resistance that receives when can reducing the bearing operation, can effectively avoid the card dead condition of single ball appearance in the specific situation simultaneously.

Preferably, the stopping device comprises two first stopping blocks, the two first stopping blocks are symmetrically distributed on two sides of the outer ring, the second stopping blocks are arranged on the middle ring, the two second stopping blocks are symmetrically distributed on the outer side of the middle ring, the third stopping blocks are arranged on the middle ring, the two third stopping blocks are symmetrically distributed on the inner side of the middle ring, the fourth stopping blocks are arranged on the inner ring, the two fourth stopping blocks are symmetrically distributed on the outer side of the inner ring, and the sealing device used for prolonging the service life of the bearing is arranged on the middle ring and used for limiting the first ball and the second ball in a specified area to prevent the first ball and the second ball from slipping.

Preferably, the sealing device comprises two first sealing gaskets, the two first sealing gaskets are symmetrically distributed between the outer ring and the middle ring, a first groove is formed between the first stop block and the second stop block, a second groove is formed between the third stop block and the fourth stop block, a second sealing gasket is arranged in the second groove, the sealing effect of the bearing is improved, and the corrosion frequency inside the bearing is reduced.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a be equipped with balancing unit, can solve traditional bearing when meetting high temperature or low temperature, because inner circle and outer lane are heated inhomogeneous problem that leads to the inflation degree difference, can effectively solve traditional bearing and cause the extrusion to inside ball fast easily than the outer lane when the inner circle inflation, increased the frictional force of ball, influence the rotation of bearing, when the inner circle shrink is fast than the outer lane, the ball drops easily, need assemble the bearing again, the difficult problem of taking a lot of trouble.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the middle ring structure of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 2;

fig. 5 is an enlarged view of fig. 2 at B.

In the figure: 1-an outer ring; 2-inner ring; 3-middle ring; 4-a balancing device; 5-outer upright columns; 6-inner upright column; 7-fixing blocks; 8-spherical groove; 9-a first ball bearing; 10-an auxiliary device; 11-a second ball; 12-a blocking device; 13-a first stop; 14-a second stop; 15-a third stop; 16-a fourth stop; 17-a sealing device; 18-a first gasket; 19-a first groove; 20-a second groove; 21-a second gasket; 22-spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a composite bearing shown in the drawings comprises an outer ring 1, an inner ring 2 is arranged in the outer ring 1, a middle ring 3 is arranged between the outer ring 1 and the inner ring 2, a balancing device 4 for balancing the contraction degree of the inner ring 2 and the outer ring 1 is arranged on the middle ring 3, and by arranging the balancing device 4, the problem that the expansion degree of the traditional bearing is different due to nonuniform heating of the inner ring 2 and the outer ring 1 when the traditional bearing encounters high temperature or low temperature can be solved, the problem that when the traditional bearing expands faster than the outer ring 1, the inner balls are easily extruded, the friction force of the balls is increased, the rotation of the bearing is influenced, and when the inner ring 2 contracts faster than the outer ring 1, the balls fall off easily, and the bearing needs to be assembled again, which takes time and labor.

The balancing device 4 comprises an outer upright post 5, a plurality of outer upright posts 5 are arranged and are uniformly distributed on the inner side of the middle ring 3, an inner upright post 6 is arranged on each outer upright post 5, the inner upright posts 6 are connected with the outer upright posts 5 in a sliding manner, a fixing block 7 is arranged at one end, far away from the outer upright posts 5, of each inner upright post 6, a spring 22 penetrates through each outer upright post 5 and each inner upright post 6, one end of each spring 22 is fixed on the inner side of the middle ring 3, the other end of each spring is fixed on the corresponding fixing block 7, a spherical groove 8 is arranged at one end, far away from the inner upright posts 6, of each fixing block 7, a first ball 9 is arranged in each spherical groove 8, the first balls 9 are tangent to the outer side of the inner ring 2, each spring 22 is always kept in a compression state, when the inner ring 2 expands, the inner ring 2 extrudes the first balls 9, so that pressure is transmitted to the springs 22 through the fixing blocks 7, the springs 22 play a role of elastic force accumulation, and the first balls 9 can normally rotate at the moment, when the inner ring 2 contracts, the elastic force of the spring 22 is transmitted to the fixed block 7 along the directions of the outer upright post 5 and the inner upright post 6, so that the first ball 9 is always attached to the outer side of the inner ring 2, and the phenomenon of slipping cannot occur.

Be equipped with supplementary rotation on the centre circle 3, increase bearing rotation efficiency's auxiliary device 10, auxiliary device 10 includes second ball 11, second ball 11 is equipped with a plurality ofly, and evenly distributed is in the 3 outsides of centre circle, and is tangent with the 3 outsides of centre circle, second ball 11 is tangent with outer lane 1 is inboard, and second ball 11 rolls between outer lane 1 and centre circle 3 and can reduce the resistance that the bearing received when functioning, can effectively avoid the card dead condition of single ball appearance in the specific case simultaneously.

Be equipped with the blocking device 12 that is used for preventing the ball slippage on well circle 3, blocking device 12 includes first dog 13, first dog 13 is equipped with two, and the symmetric distribution is in 1 both sides in outer lane, be equipped with second dog 14 on well circle 3, second dog 14 is equipped with two, and the symmetric distribution is in the 3 outsides of well circle, be equipped with third dog 15 on well circle 3, third dog 15 is equipped with two, and the symmetric distribution is in 3 inboards of well circle, be equipped with fourth dog 16 on inner circle 2, fourth dog 16 is equipped with two, and the symmetric distribution is in the 2 outsides of inner circle, and first ball 9 is restricted between third dog 15 and fourth dog 16, and second ball 11 is restricted between first dog 13 and second dog 14, can effectively prevent the condition that the slippage from appearing in first ball 9 and second ball 11.

Be equipped with the sealing device 17 that is used for increasing bearing utility life on the center ring 3, sealing device 17 includes first sealed 18 of filling up, first sealed 18 of filling up is equipped with two, and the symmetric distribution is between outer lane 1 and center ring 3, be equipped with first recess 19 between first dog 13 and the second dog 14, be equipped with second recess 20 between third dog 15 and the fourth dog 16, be equipped with the sealed 21 of second in the second recess 20, first sealed 18 of filling up and the sealed 21 of second are elastic rubber and make, and wherein first sealed 18 of filling up inlays in first recess 19, and the sealed 21 of second inlays in second recess 20, can prevent effectively that impurity from getting into inside the bearing, causes the damage to the bearing is inside, has improved the life of bearing.

The fixing device 8 for fixing the bearing in the vertical direction is arranged on the sliding block 7, the fixing device 8 comprises two lower clamping blocks 9, the two lower clamping blocks 9 are symmetrically distributed on two sides of the sliding block 7, the lower clamping blocks 9 are connected with the sliding block 7 in a sliding mode, one ends, far away from the sliding block 7, of the lower clamping blocks 9 are provided with telescopic rods 10, the telescopic rods 10 are multiple and symmetrically fixed on the lower clamping blocks 9, the ends, far away from the lower clamping blocks 9, of the telescopic rods 10 are provided with upper clamping blocks 11, springs 12 are arranged on the telescopic rods 10, one ends of the springs 12 are fixed with the lower clamping blocks 9, the other ends of the springs are fixed with the upper clamping blocks 11, when the bearing is placed between the lower clamping blocks 9 and the upper clamping blocks 11, the springs 12 are always in a stretching state, and fixed clamping of the bearing in the vertical direction is achieved.

The slider 7 is provided with a fastening device 13 for transversely clamping and fixing a bearing, the fastening device 13 comprises an installation block 14, the installation block 14 is fixed with the slider 7, the installation block 14 is provided with two tension springs 15, the two tension springs 15 are symmetrically distributed on two sides of the installation block 14, one end, far away from the installation block 14, of each tension spring 15 is fixed with the lower clamping block 9, the upper clamping block 11 and the installation block 14 are respectively provided with a through hole 16, the through holes 16 are provided with a plurality of holes and symmetrically distributed on the lower clamping block 9, the upper clamping block 11 or the installation block 14, a bolt 17 is arranged in each through hole 16, a nut 18 is arranged on each bolt 17, the bearing is placed between the two lower clamping blocks 9, the bolt 17 plays a role in guiding in each through hole and preventing the lower clamping block 9 from toppling over, the tension springs 15 are in a stretching state, and then the lower clamping block 9 and the upper clamping block 11 are fixed by screwing the nuts 18, so as to clamp and fix the bearings with different thicknesses.

Go up clamp splice 11 and all be equipped with lug 19 on the clamp splice 9 down, one side that lug 19 kept away from last clamp splice 11 or clamp splice 9 down is equipped with cambered surface 20, and cambered surface 20 can play the effect of direction when transversely pressing from both sides tight bearing, can make the support adapt to the bearing of more sizes simultaneously.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a composite bearing, includes outer lane (1), be equipped with inner circle (2) in outer lane (1), its characterized in that: the inner ring is characterized in that a middle ring (3) is arranged between the outer ring (1) and the inner ring (2), and a balance device (4) used for balancing the contraction degree of the inner ring (2) and the outer ring (1) is arranged on the middle ring (3).

2. A composite bearing according to claim 1, wherein: the balancing device (4) comprises a plurality of outer upright columns (5), the outer upright columns (5) are uniformly distributed on the inner side of the middle ring (3), the outer upright post (5) is provided with an inner upright post (6), the inner upright post (6) is connected with the outer upright post (5) in a sliding way, one end of the inner upright post (6) far away from the outer upright post (5) is provided with a fixed block (7), the outer upright post (5) and the inner upright post (6) are provided with springs (22) in a penetrating way, one end of the spring (22) is fixed on the inner side of the middle ring (3), the other end is fixed on the fixed block (7), one end of the fixing block (7) far away from the inner upright post (6) is provided with a spherical groove (8), a first ball (9) is arranged in the spherical groove (8), the first ball (9) is tangent with the outer side of the inner ring (2), and an auxiliary device (10) for assisting rotation and increasing the rotation efficiency of the bearing is arranged on the middle ring (3).

3. A composite bearing according to claim 2, wherein: auxiliary device (10) are including second ball (11), second ball (11) are equipped with a plurality ofly, and evenly distributed is in centre circle (3) outside, and is tangent with centre circle (3) outside, second ball (11) are tangent with outer lane (1) inboard, be equipped with blocking device (12) that are used for preventing the ball slippage on centre circle (3).

4. A composite bearing according to claim 3, wherein: the stop device (12) comprises a first stop block (13), the first stop block (13) is provided with two symmetrical blocks which are distributed on two sides of the outer ring (1), the middle ring (3) is provided with a second stop block (14), the second stop block (14) is provided with two symmetrical blocks which are distributed on the outer side of the middle ring (3), the middle ring (3) is provided with a third stop block (15), the third stop block (15) is provided with two symmetrical blocks which are distributed on the inner side of the middle ring (3), the inner ring (2) is provided with a fourth stop block (16), the fourth stop block (16) is provided with two symmetrical blocks which are distributed on the outer side of the inner ring (2), and the middle ring (3) is provided with a sealing device (17) for prolonging the service life of a bearing.

5. A composite bearing according to claim 4, wherein: sealing device (17) are including first sealed pad (18), first sealed pad (18) are equipped with two, and the symmetric distribution is between outer lane (1) and well circle (3), be equipped with first recess (19) between first dog (13) and second dog (14), be equipped with second recess (20) between third dog (15) and fourth dog (16), be equipped with the sealed pad (21) of second in second recess (20).