CN209444718U - A kind of precise rolling bearing and bearing assembly - Google Patents

Abstract

The utility model relates to rolling bearing fields, disclose a kind of precise rolling bearing and bearing assembly, for the problem that the dismounting of existing rolling bearing is inconvenient, now propose following scheme, it includes upper outer ring semi-ring, lower outer ring semi-ring, two inner ring semi-rings and multiple rolling elements, the upper outer ring semi-ring and lower outer ring semi-ring match, the two sides at the top of upper outer ring semi-ring are opened up there are two mounting hole, the internal whorl of mounting hole is connected with connection bolt, even a close both ends open up that there are two fixation holes for lower outer ring semi-ring and upper outer ring semi-ring, fixation hole is threaded hole, the inside that one end of connection bolt extends to fixation hole is threadedly coupled with fixation hole, two inner ring semi-rings match.The utility model is structurally reasonable, ingenious in design, and operation letter is answered, and solves the problems, such as that existing rolling bearing dismounting is inconvenient, is conducive to extend the service life of bearing, easy to spread.

Description

A kind of precise rolling bearing and bearing assembly

Technical field

The utility model relates to rolling bearing field more particularly to a kind of precise rolling bearings and bearing assembly.

Background technique

Bearing is a kind of important spare part in contemporary mechanical equipment.Its major function is to support mechanical rotary body, is reduced Coefficient of friction in its motion process, and guarantee its rotating accuracy.Bearing can be divided into rolling bearing and sliding bearing two major classes.Rolling Dynamic bearing is generally made of outer ring, inner ring, rolling element and four part of retainer, and by the shape of rolling element, rolling bearing is divided into ball Bearing and roller bearing two major classes.

The inner ring and outer ring of common rolling bearing is whole annulus, install bearing when, bearing inner race usually require with Axis interference fit makes bearing relatively difficult in installation and removal in this way, needs special installation and removal tool, and dismantle Later, axis and brearing bore surface have it is different degrees of pull, keep the service life of bearing and reference axis impaired.Bearing outer ring and axis Bearing hole generallys use clearance fit or excessively cooperation, since gap is small, therefore the problem difficult there is also installation and removal.

Utility model content

The utility model proposes a kind of precise rolling bearing and bearing assembly, solve existing rolling bearing dismounting not Convenient problem.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of precise rolling bearing and bearing assembly, including upper outer ring semi-ring, lower outer ring semi-ring, two inner ring semi-rings and more A rolling element, the upper outer ring semi-ring and lower outer ring semi-ring match, there are two the two sides at the top of upper outer ring semi-ring open up Mounting hole, the internal whorl of mounting hole are connected with connection bolt, and lower outer ring semi-ring and upper outer ring semi-ring even close both ends are equal Fixation hole there are two opening up, fixation hole is threaded hole, and the one end for connecting bolt extends to inside and the fixation hole screw thread of fixation hole Connection, two inner ring semi-rings match, and two inner ring semi-rings are located at the inside of upper outer ring semi-ring and lower outer ring semi-ring, and two Sliding slot is offered on the outer wall of a inner ring semi-ring, is offered on the inner wall of upper outer ring semi-ring and the inner wall of lower outer ring semi-ring more A mounting groove, the inside that the side of rolling element extends to mounting groove are fixedly connected with mounting groove, and the other side of rolling element extends to The inside of sliding slot.

Preferably, the two sides of the bottom outer wall of the lower outer ring semi-ring are opened up there are two adjustment hole, the bottom of adjustment hole Connecting hole is offered, connecting hole is threaded hole.

Preferably, the internal whorl of the adjustment hole is connected with fastening bolt, and fastening bolt is threadedly coupled with connecting hole, and Fastening bolt is matched with bolt is connect.

Preferably, the one end of the fixation hole far from upper outer ring semi-ring is connected with the outside of lower outer ring semi-ring.

Preferably, the both ends that the upper outer ring semi-ring and lower outer ring semi-ring combine are zigzag structure.

Preferably, the both ends that two inner ring semi-rings combine are zigzag structure, and two inner ring semi-rings is interior Multiple anti-slop serrations are fixed on wall.

In the utility model:

1, convenient by upper outer ring semi-ring, lower outer ring semi-ring, connection bolt, the interior cooperation gone between semi-ring and rolling element Bearing is fixed on to the outside of reference axis, dismounting bearing is avoided and bearing life is adversely affected with when reference axis；

2, by the cooperation between fastening bolt, adjustment hole and connecting hole, the loosening of connection bolt is avoided, by anti-skidding The design of tooth is avoided and is skidded between bearing inner race and reference axis.

The utility model is structurally reasonable, ingenious in design, and operation letter is answered, and solves existing rolling bearing dismounting inconvenience Problem is conducive to extend the service life of bearing, easy to spread.

Detailed description of the invention

Fig. 1 is the front view of the utility model.

Fig. 2 is the enlarged drawing at the A of the utility model.

Fig. 3 is the side view of the utility model.

Figure label: outer ring semi-ring on 1,2 lower outer ring semi-rings, 3 inner ring semi-rings, 4 anti-slop serrations, 5 mounting holes, 6 connection bolts, 7 fastening bolts, 8 fixation holes, 9 rolling elements, 10 mounting grooves, 11 sliding slots, 12 adjustment holes, 13 connecting holes.

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 precise rolling bearing and bearing assembly, including upper outer ring semi-ring 1, lower outer ring semi-ring 2, two Inner ring semi-ring 3 and multiple rolling elements 9, upper outer ring semi-ring 1 and lower outer ring semi-ring 2 match, the two sides at the top of upper outer ring semi-ring 1 It opens up there are two mounting hole 5, the internal whorl of mounting hole 5 is connected with connection bolt 6, lower outer ring semi-ring 2 and upper outer ring semi-ring Even a close both ends are opened up there are two fixation hole 8, and fixation hole 8 is threaded hole, and one end of connection bolt 6 extends to fixation hole 8 inside is threadedly coupled with fixation hole, and two inner ring semi-rings 3 match, and two inner ring semi-rings 3 are located at upper 1 He of outer ring semi-ring The inside of lower outer ring semi-ring 2, offers sliding slot 11 on the outer wall of two inner ring semi-rings 3, the inner wall of upper outer ring semi-ring 1 and lower outer It encloses on the inner wall of semi-ring 2 and offers multiple mounting grooves, the side of rolling element 9 extends to inside and the mounting groove 10 of mounting groove 10 It is fixedly connected, the other side of rolling element 9 extends to the inside of sliding slot 11.

In the present embodiment, the two sides of the bottom outer wall of lower outer ring semi-ring 2 are opened up there are two adjustment hole 12, adjustment hole 12 Bottom offers connecting hole 13, and connecting hole 13 is threaded hole, and the internal whorl of adjustment hole 12 is connected with fastening bolt 7, fastens spiral shell Bolt 7 is threadedly coupled with connecting hole 13, and fastening bolt 7 is matched with bolt 6 is connect, fixation hole 8 far from upper outer ring semi-ring 1 one End is connected with the outside of lower outer ring semi-ring 2, and the both ends that upper outer ring semi-ring 1 and lower outer ring semi-ring 2 combine are zigzag knot Structure, the both ends that two inner ring semi-rings 3 combine are zigzag structure, and are fixed on the inner wall of two inner ring semi-rings 3 multiple Anti-slop serrations 4.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

Working principle: when installation, being first combined into a complete circle for the outside that two inner ring semi-rings 3 are stuck in reference axis, Then the outside by 2 sets of upper outer ring semi-ring 1 and lower outer ring semi-ring in two inner ring semi-rings 3 again, and shareholder is mentioned and is stuck in cunning Then the inside of slot 11 is rotatablely connected bolt 6, connection bolt 6 is rotated into the inside of fixation hole 8, thus by upper 1 He of outer ring semi-ring Lower outer ring semi-ring 2 is fixed together, and is finally again screwed into fastening bolt 7, so that one end of fastening bolt 7 is tightly against connection spiral shell The outside of bolt 6, to prevent connection bolt 6 from loosening.

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 (6)

1. a kind of precise rolling bearing and bearing assembly, including upper outer ring semi-ring (1), lower outer ring semi-ring (2), two inner ring semi-rings (3) and multiple rolling elements (9), which is characterized in that the upper outer ring semi-ring (1) and lower outer ring semi-ring (2) match, upper outer ring half The two sides at the top of ring (1) are opened up there are two mounting hole (5), and the internal whorl of mounting hole (5) is connected with connection bolt (6), Even a close both ends are opened up there are two fixation hole (8) for lower outer ring semi-ring (2) and upper outer ring semi-ring, and fixation hole (8) is screw thread Hole, the inside that one end of connection bolt (6) extends to fixation hole (8) are threadedly coupled with fixation hole, two inner ring semi-rings (3) It matches, and two inner ring semi-rings (3) are located at the inside of upper outer ring semi-ring (1) and lower outer ring semi-ring (2), two inner ring semi-rings (3) it offers on outer wall sliding slot (11), is opened up on the inner wall of upper outer ring semi-ring (1) and the inner wall of lower outer ring semi-ring (2) There are multiple mounting grooves, the inside that the side of rolling element (9) extends to mounting groove (10) is fixedly connected with mounting groove (10), rolling element (9) the other side extends to the inside of sliding slot (11).

2. a kind of precise rolling bearing according to claim 1 and bearing assembly, which is characterized in that the lower outer ring semi-ring (2) two sides of bottom outer wall are opened up there are two adjustment hole (12), and the bottom of adjustment hole (12) offers connecting hole (13), even Connecing hole (13) is threaded hole.

3. a kind of precise rolling bearing according to claim 2 and bearing assembly, which is characterized in that the adjustment hole (12) Internal whorl be connected with fastening bolt (7), fastening bolt (7) is threadedly coupled with connecting hole (13), and fastening bolt (7) and even Connecting bolt (6) matches.

4. a kind of precise rolling bearing according to claim 1 and bearing assembly, which is characterized in that the fixation hole (8) One end far from upper outer ring semi-ring (1) is connected with the outside of lower outer ring semi-ring (2).

5. a kind of precise rolling bearing according to claim 1 and bearing assembly, which is characterized in that the upper outer ring semi-ring (1) and the both ends that combine of lower outer ring semi-ring (2) are zigzag structure.

6. a kind of precise rolling bearing according to claim 1 and bearing assembly, which is characterized in that two inner rings half The both ends that ring (3) combines are zigzag structure, and multiple anti-slop serrations (4) are fixed on the inner wall of two inner ring semi-rings (3).